Boiler plant with a cylindrical boiler and a water-heater, a water-tube countercurrent cylindrical boiler with a convective beam, a ring-shaped sectional finned collector

FIELD: heat power engineering.

SUBSTANCE: the inventions are intended for heating water and-or steam and may be used in heat power engineering. The boiler plant contains a cylindrical boiler having one course of gases and an internal cylindrical shielded furnace chamber, an air heater, controlled circuits of heating of a heat carrier and fuels, one and more rows of heat exchange pipes, a ring-shaped cylindrical sectional header and a contact economizer. The finned heat exchange pipes are made U-shaped or coiled and form in the end part of the furnace chamber a radiation-convective beam. At that the gas-tightness of the furnace chamber may be ensured either by heat exchange diaphragms connecting the heat exchange pipes or by a heat exchange cylindrical surface. The heat exchange diaphragms, as well as the heat exchange cylindrical surface, which is sealing the furnace chamber and the convective part of the boiler, are spread to the frontal collector. On the collector there are outlet branch-pipes for withdrawal of the heat carrier, from which it is simultaneously possible to take the heat-carrier of several parameters. The boiler plant is countercurrent in respect to a temperature pressure of the furnace chamber and has one and more supporting devices. The back butt of the furnace chamber serves a part of a heating surface of the air-heater together with a branch-pipe of the outlet of the combustion products. The boiler and its heat-exchange pipes are made with in an series heating of the heat-carrier at the speed of its movement in the heat-exchange pipes of 2.15 m\s. The ring-shaped finned boiler header has sections, which are formed by partitions both blank and perforated, one and more frontal covers, one and more pipe plates, on which the heat-exchange pipes of the boiler are fixed. A part of the partitions is made flat and a part of the partitions is made as a ring or a part of a ring. The external finned frontal side of a collector is a part of the heating surface of the air heater. Inventions ensure increased efficiency of the boiler gross load and expansion of its functionalities.

EFFECT: the inventions ensure increased efficiency of the boiler gross load and expansion of its functionalities.

20 cl, 27 dwg

 

The invention relates to the field of power engineering, in particular to collapsible boiler installation with multi-sectional cylindrical gas / oil fired boiler.

The closest analogue of the invention, describing the first object of the invention is a technical solution according to the patent RU 2194213, F 22, 5/02, F 28 F 9/02, 10.12.2002, containing a cylindrical boiler with an internal cylindrical shielded furnace chamber, located at the center of the boiler, a burner, heater, adjustable contours heating the coolant and fuel, blower fan, one or more rows of heat exchange tubes, an annular cylindrical sectional heated manifold and the economizer, with the boiler plant can be located in space obliquely, horizontally, vertically,

The closest analogue of the invention, characterizing the second object of the invention is a technical solution according to the patent RU 2194213, F 22, 5/02, F 28 F 9/02, 10.12.2002, containing a cylindrical boiler with an internal cylindrical shielded furnace chamber, located at the center of the boiler, a burner, heater, front sectional annular heated manifold, blower fan, the contour of the heated fluid, the longitudinal heat exchange tubes located in the combustion chamber and connect the main part of the boiler, while the tightness of the combustion chamber is provided either by heat-exchange membranes connecting the heat pipe, or heat transfer cylindrical surface, and the boiler plant can be located in space obliquely, horizontally, vertically.

The closest analogue of the invention, characterizing the third object of the invention is a technical solution according to the patent RU 2194213, F 22, 5/02, F 28 F 9/02, 10.12.2002, containing sections which are formed by partitions, deaf, and perforated, one or more front covers, and one or more tube sheets, on which are fixed the tubes of the boiler.

The disadvantage of the above-mentioned technical solutions is the low efficiency.

The task of the invention is to increase the gross efficiency of the boiler by three percent, extending its functionality (water, periodograms and steam modes of operation of the boiler), improving the manufacturability of the boiler and reducing the metal of the boiler in relation to the unit of supplied thermal energy.

This objective is achieved in that in the first embodiment perform the cylindrical tube provedoria boiler system includes a cylindrical boiler with an internal cylindrical shielded furnace chamber, located at the center of the boiler, gorelochnoe device, the heater, adjustable contours heating the coolant and fuel, blower fan, one or more rows of heat exchange tubes, an annular cylindrical sectional heated manifold and the economizer, with the boiler plant can be located in space obliquely, horizontally, vertically. Boiler installation demountable and can optionally contain the burner, the boiler has one move gases, the tubes are removable economizer made contact, and finned heat exchanger tube is made of U-shaped or coiled to form at the end of the combustion chamber radiative-convective beam and their ends are located on concentric circles cylindrical collector, which has a support, and the collector has one or more nozzles of the entry and exit of fluid, and one or more rows of heat exchange tubes are connected to different sections of the collector.

The tubes of the boiler can be removable from the collapsible reservoir.

Boiler installation can additionally be equipped with a regenerative radiative-convective economizer.

Boiler installation can be made of non-ferrous metals and their alloys.

Boiler installation can be protected by a layer of corrosion-resistant material.

Boiler installation can be made is of corrosion-resistant material.

Boiler installation can be equipped with an additional exhaust fan.

In addition, this objective is achieved in that on the second version of the complete cylindrical tube provedoria boiler system includes a cylindrical boiler with an internal cylindrical shielded furnace chamber, located at the center of the boiler, a burner, heater, front sectional annular heated manifold, blower fan, the contour of the heated fluid, the longitudinal heat exchange tubes located in the combustion chamber and the convection part of the boiler, while the tightness of the combustion chamber is provided either by heat-exchange membranes connecting the heat pipe, or heat transfer cylindrical surface, and the boiler plant can be located in space obliquely, horizontally, vertically. The furnace chamber is one-way movement of products of combustion, heat exchange tubes are collected at the end of the combustion chamber in packages of radiation and convection tube bundle and the heat-exchange membrane, and heat transfer cylindrical surface, sealing the combustion chamber and the convection part of the boiler, reach the front of the collector at the ends of heat exchange tubes are connected to different sections of the collector and is connected to the external number of the CE collector, the collector also has output connections for the selection of the coolant, from which you can select the carrier several parameters - heated water for heating and hot water, saturated and superheated steam for thermal deaeration of the coolant and to own and technological needs of production, in addition, boiler installation prototechno relative to thermal pressure of the combustion chamber has one or more supporting devices, and the rear end of the combustion chamber is part of the heating surface of the heater together with the outlet nozzle of the combustion products, boiler and heat exchanger tube is made consistent with the heated fluid and the speed of its movement in the heat exchange tubes of 2.15 m/s and, in addition, the boiler plant may further comprise a burner and can work under pressurization, and balanced-draft.

Boiler installation can be equipped with regenerative economizer.

The tubes of the boiler may have fins, and can also be Osipovna made as fin, type of snake, loop, coil.

Boiler installation can have front pipe screen with one or more rows of heat exchange tubes connected to the outer ring of the collector.

Boiler installation can be and is made from non-ferrous metals or their alloys.

Boiler installation can be equipped with an additional exhaust fan.

Boiler installation can be protected by a layer of corrosion-resistant material.

Boiler installation can be made of corrosion-resistant material.

In addition, this objective is achieved in that a multi-way water heated annular collector boiler has sections which are formed by partitions, deaf, and perforated, one or more front covers, and one or more tube sheets, on which are fixed the tubes of the boiler. This collector has fins, some of the partitions are made flat, and some of the partitions were made as a ring or part of a ring, the ends of heat exchange tubes are connected to different sections and with the outer ring of the collector. Partitions have output connections for the selection of the carrier and provide the heating fluid, circulation, distribution of coolant through the heating surfaces of the boiler and the direction of the coolant in the steam circuit. External finned front side of the collector is part of the heating surface of the heater, the collector is assigned one or more burners, and in the space of the manifold may be placed obliquely, horizontally, vertically, and can be made collapsible.

Partitions could the t to be done with the issue and are heat-exchange elements of the header.

Ring collector may be made of non-ferrous metals or their alloys.

Ring collector can be protected by a layer of corrosion-resistant material.

Ring collector can be made of corrosion-resistant material.

Convective-radiation beam is a continuation of the screen of the longitudinal tubes of the combustion chamber of the boiler and connects the display side of the pipe, which is arranged on concentric circles front of the collector. Heat exchange boiler tube has two ends, one end of the fluid enters the pipe, and through the other goes out. Both ends of the heat exchange tubes are connected with the partial collector, but with different sections to ensure the circulation of the coolant through the heat exchange pipe. The pipe is made by one or more bends of the pipe, with the two ends of a single heat exchange tube (it can be composite) shorted to the collector, and part of the pipe opposite the annular manifold and burners, at the end of the combustion chamber (radiative-convective beam) passes through the center of the cylindrical duct (a special case). Moreover, the heat exchange tube can be made as a loop pipe with one or more ellipses (in this embodiment, bend pipes two or more) type “snake”, fin, fin, serpentine, osipo the data, seamed metal membranes composed of various metals, alloys and materials (e.g. glass).

In the boiler may be installed closed, straight, single row heat pipe with two bends - type P on one concentric circle of the cylindrical collector. Single-row heat exchanger tubes mounted on the annular front manifold, will lead to low radiation and convective heating surfaces of the boiler in these dimensions, as well as too high velocity coolant on multilane series of pipes installed in the front collapsible reservoir, and, as a consequence, low hydraulic resistance of the boiler, there is no backflow of the coolant in the boiler and low efficiency gross boiler.

With two-row staggered arrangement of the direct heat exchanger longitudinal waterwall tubes in the combustion chamber of the boiler with two bends - type P in the boiler will be current and will double the radiation heating surface of the boiler. Heat transfer in ducts, referred to 1 sq.m. of the surface heating, 10-12 times less effective than in the furnace. Therefore, the total area of the convection heating surfaces of the boiler several times more radiation because of the internal heat exchanger U-shaped tubes in the combustion chamber of the boiler temperature pressure between the heat and RevEmu environments will be higher in temperature difference between the heating and heated environments the U-shaped pipe external number, as they are more removed from the flame of burner units, and hence when the counter increases the radiation heating surface and the efficiency of the boiler, and its efficiency is gross with heater and contours will be about 94-97% (direct balance). Radiative-convective part of the boiler, located at the end of the combustion chamber, will be doubled, which will lead to a further deceleration of a moving stream of combustion products at the end of the combustion chamber and thereby increase at the end of the furnace static pressure of the combustion products in the areas of heat exchange tubes connecting or longitudinal components of the display tube, which intensifies the heat transfer to radiative-convective bundle of heat exchange tubes and increase their heat removal. When this heat-exchange pipe bundle, evenly spaced around the circumference, one after the other (in case of horizontal arrangement of the boiler) or one above the other (with a vertical arrangement of boiler) very effectively washed by the combustion products. Moreover, it should also be noted that when the vertical location of boiler the burner for burning liquid and gaseous fuels can be placed both at the bottom and at the top (depending on the location of the sectional ring collector), and heat exchange pipe (part of the longitudinal pipes), located at the end of the combustion chamber in the vertical the second plane, is at an angle relative to the preceding and following parts of the tubes, forming a “conditionally” economizer radiative-convective part of the boiler, which is located horizontally, which in principle is more radiation than convective heating surface of the boiler.

The tubes installed in the combustion chamber of the cylindrical boiler, have a U-shaped geometrical configuration, i.e. the burner two ends of the same heat-exchange tubes are connected with a cylindrical collector, and at the end of the combustion chamber, these oppositely mounted parallel to the longitudinal screen tubes are interconnected by the diameter of the combustion chamber. Thus, the tubes of the boiler can be direct such as “snake”, loop, three-loop heat exchanger U-shaped pipe, obtained by repeated bending a single pipe, coiled as at the periphery of the combustion chamber, and at its end.

Collapsible reservoir with removable cover made for inspection of the ends of heat exchange tubes mounted on the pipe the drain, as well as for cleaning, repair or replacement.

Mounting and connection of the heat pipe with sectional header boiler can be performed in various ways: by the method of welding the pipe ends, washers and glass, the pain is new washers and heat-threaded pipes at the ends of the tube sheets ring manifold expanding the ends of heat exchange tubes in the tube sheet holes annular manifold threaded connection heat exchanger tubes with tightening nuts with washers on the inside and outside of the collector, gluing pipe with a glass or fill the gap between the glass and the pipe molten metal is lead, epoxy resins, enamels, conventional welding pipes with header and using the fitting with double thread.

Heat pipe located at the end of the combustion chamber (semi-convective beam), which is perpendicular to the longitudinal display tubes and the flow of products of combustion, can be integrated with a longitudinal pipe screens. Geometric U-shaped configuration of the heat exchange tubes of the boiler can be obtained by bending a single pipe, with bends may be one or more.

Moreover, radiative-convective beam (pipe) can be connected in several ways to display the longitudinal tubes of various types, for example, by threaded connections threaded through the squares in the presence of threads on the ends of the longitudinal screen and conditionally convective heat transfer pipe of the furnace chamber of the boiler. Radiative-convective beam may consist of bent parts of the tubes, finned, ellipse, coils, fin, Osipovna, with curved branches (sites), petley the etc. pipes.

Removable covers, and tube sheets at the ring collector may be one or more. Ring the technological circuit, located in the manifold also has a ring or other fins and the walls of the collector, made from the side of the combustion chamber, have the issue (increased)since they are heat-exchange elements of the boiler. All this leads to increased heat transfer to the circulating reservoir coolant and the heated air moving outside of the collector, since the release of the partitions were made and outside of the collector.

Note that each subsequent straight smooth onscreen longitudinal heat exchange tubes of the combustion chamber of the boiler after the first set of heat exchange tubes in the combustion chamber of the boiler will be longer than the previous one pipe diameter pipe with a given gap between them (2-3 mm), except in the case of installation in the furnace of the boiler loop pipe, which is at the end of the combustion chamber of the loop in the form of an elongated ellipse, or other types of pipes, such as fin, fin, spiked.

Example: U-shaped direct heat exchange pipe ⊘ 28 mm, obtained by two bends, will be longer than the previous, previously installed the tubes 28 mm+4 mm=32 mm, provided that the tubes have a diameter of ⊘ 28 mm, and the gaps when installing pipes in the rear end of the furnace is approximately equal to 2 mm between the previous and each subsequent radiative-convective tube, located at the end of the combustion chamber. I mean the plot of the U-tube at the end of the combustion chamber, which is perpendicular to the movement of products of combustion.

A cylindrical water-tube boilers with U-shaped heat exchange tubes constructive can be done as a purely heat - hot water, periodogram with the technological path of the heating fluid (steam circuit) for high quality thermal deaeration of water and steam consumption for own needs and contours of heating fuels (gaseous and liquid); and as once-through steam boiler with production of saturated or superheated steam, in this case cylindrical steam once-through boilers have several circular, partially circular, straight walls, dividing the cylindrical collector on a separate partition (camera) input and the exit of the coolant from them, with one or more U-shaped tubes of the boiler can be given in parallel and assembled into packages in the direction of the coolant to increase the number ratio of the circulation of the coolant in the boiler.

Longitudinal screens and the beam of radiation-convective heat exchange tubes with two-row staggered arrangement of the heat exchanger of screen pipes on two concentric circles pipe boards (boards) cilin the historical collector with removable cover in water-tube boilers is separated in two parts (two threads). The beam of radiation and convection tube has two turns on the coolant. Initially, the fluid moves in the external heat exchanger tubes (one move), and then in the internal heat exchange tubes (second stroke) the combustion chamber of the boiler (a special case of the copper roof water boiler).

When the location of the boiler unit in a horizontal position to support the rear part of the boiler, which consists of screens, utilization circuits and radiation-convection pipes (beam), as well as built-in economizer installed perpendicular to the flow of products of combustion on the outer cylindrical rear part of the heat exchanger OSD longitudinal tubes collapsible clothes, loose or tightening, shell (support brace rear part of the boiler and at the same time the cylindrical flue), with which are connected the rear feet of the boiler.

The boiler is made gas-tight, so that the outer series of longitudinal display of heat exchange tubes located on the outer concentric circle of the ring collector with removable cover, can be connected metal perforated membranes or, in a simplified design of the boiler, the boiler for external adjacent longitudinal side of the display tube from the annular front manifold to the exit of products of combustion from the ashes may be sealed removable finned heat exchanger with external and internal side cylinder with an explosive valve (as on the outer side of the finned cylinder is washed by a stream of air, and the inner side of the finned cylinder is washed by the stream of combustion products). The cylinder is made of heat-resistant material (steel, non-ferrous metals and their alloys, refractory alloys, cermets and the like). It connects the annular collector part of the supporting shell and are removable collapsible. The cylinder seals the combustion chamber and the convection part of the boiler, and the rear end of the boiler seals the metal sheet with the outlet nozzle of the combustion products.

In a more complex design of the boiler on the external screen the tubes, United perforated membranes, also worn metal, collapsible, finned cylinder that serves as a heating surface of the air supplied to the burner. The heated stream of air moving under cover (case) and washing the outer surface of the boiler is insulated, and perforation of the membranes is performed for heating the folding cylinder (heating surface of the heater) and heat external heat screen pipes with external parties (for creating the temperature field in the space between the finned cylinder and membranes). Instead CVP possible to install built-in economizer.

The boiler has a “span” scheme movement produceshanu (the term “span” is taken from the Directory of the end user gas boiler houses”. Edited Ebbeler. Leningrad, “Nedra”, 1988., str, 7th row from the top) without turns, because the outgoing products of combustion from the combustion chamber move rectilinearly in a single furnace and convection space heating boiler (boiler - furnace - convective beam-gas duct located therein contours) to the condenser water vapor (CVP)contained in the combustion gases, and vapors fed to the furnace with thermal deaerator.

Contact heat exchanger is connected to a cylindrical shell boiler through a flue-pipe, the pipe passes through the heating surface of the heater and the casing. It is the tail heating surface, after standing boiler, namely contact heat exchanger reduces the temperature of the flue gases from the boiler up to 50° uses internal heat of vaporization by condensation of water vapor contained in the combustion products and water vapor coming from the deaerator, and actually increases the efficiency of the gross boiler installation up to 98% (“Burning gaseous and liquid fuels in the boilers of small capacity”. Angelico, L., “Nedra”, 1989, p.67-68, RES.) (“Gas and the efficiency of its use in the national economy”, Mbewe. M., “Nedra”, 1987, str, example 11, the temperature reduction of the products of complete combustion 240° to 150°). WHI is about KVP it is possible to install built-in economizer.

The surface of the heated air in the boiler installation is external finned cylindrical surface of the boiler coming from the front of the boiler on ring header and outwardly or inwardly through the support of the folding drum (band), as well as part of the flue pipe for the shell, the shell with the cylinder exit of products of combustion from the boiler, the boiler front (finned on the outside of the ring, front manifold), and the rear end of the boiler, which are under cover (case). Thus, the external finned surface of the boiler are under the case, the surface of the boiler is washed by a stream of air, which is heated and fed to the burner pleasurezone device. (The heated air is sucked from the air heater when installing blower fan to the burner device).

External finned surface of the boiler, installed in the air stream, washed them and in contact with the heating surfaces arranged in the space under the case. The design of these heaters reduces heat loss of the boiler in the environment-q5 to tenths and hundredths percent and increases the average gross efficiency of the boiler unit 1-4,5%. On the suction side of the blower fan through the conduit is also part of the products of combustion from the flue cathlapotle utilization circuits, approximately 5% of the total volume that serves as a second ecological protection of the environment (atmosphere).

When such a U-shaped circuit of heat exchanger tubes with one collector of the boiler is very efficient sequential heating of the coolant in each site of one of the tubes, as it (the trumpet) is located in the radiation parts of the boiler system, which dramatically increases the heat removal from the surface unit heating (Ftom2) heat exchanger tubes, and hence increases the gross efficiency of the boiler. And partitions installed in the sections of the collector through the perforated window (hole)can also be adjusted and bulk aisle (m3/h), the speed of the fluid (m/s) through a separate heating surfaces of the boiler and the annular sectional collector. In folding the collector of the boiler walls of the collector is movable and removable (screw, threaded, slotted, interlocking connection of the partitions) and when opening lids cylindrical collector internal walls are dismantled and removed.

Combined and bypass section of the cylindrical collector can be performed without an intermediate, annular or straight perforated baffles to reduce weight and the hydraulic resistance of the collector as a whole. Teplonositel is, moving along the combined section of the collector, comes with the same range is installed on the manifold of the heat exchanger tubes and enters the heat exchange tubes of the same number of sewer pipes. In the bypass section (camera) manifold coolant passes from one row of heat exchange tubes in the other row of heat exchange tubes located at different concentric circles collector. The location of the posterior parts of the heat exchanging tubes, rear screens at the end of the combustion chamber (in radiative-convective beam) is an effective method of waste heat, so as pipes create a labyrinth movement of products of combustion in the beam, with each heat exchanger finned tube is washed by the stream of products of combustion and also receives radiation from the flame of burner units.

The tubes of the boiler are free thermal expansion (elongation) due to bends in the support ring, as inserted at approximately 150 mm to installation paths heating fuels, and approximately 1 m from its connection with the outlet of the condenser vapor - contact heat exchanger (private option). In this case, since the flash steam vapor thermal deaerator sent by pipeline to the boiler furnace to reduce emissions of nitrogen oxides (environmental protection), then eventually ecotype water vapor condenses in CUP, increasing thermal efficiency of the boiler system as a whole and not polluting the atmosphere.

In the manufacture of the boiler, when the longitudinal heat-exchange tubes of the combustion chamber, connecting with a cylindrical front manifold to the rear bends of the U-tubes are connected by a membrane, the membrane is performed with a slot (or perforations)to the other, outer, side of heat exchanger tubes existed temperature field and they (pipes) was heated by convection of the combustion products, as well as to were heated and the finned surface of the cylinder from the manifold to the rear end of the boiler.

The boiler can operate in periodogram mode without the process circuit. In this case, the possible partial heating selection, when part of the heated coolant is selected, for example, from a particular section of the annular manifold, and the rest, the remaining part of the fluid moves further along the heating surfaces of the boiler into steam.

The proposed boilers can be operated on sawdust, husk, with pylegazovozdushnoj burner. When using powdered and liquid fuels for the boiler provides steam blowing of boiler heating surfaces and radiative-convective beam paths.

The furnace is completely shielded heat exchanger tubes with consecutive three-Naga is evom fluid in each heat exchanger tube. There is no temperature scan of heat exchange tubes, there is a temperature compensation lengthening of heat exchanger tubes during heating, there is a possibility to increase the screen and the convection heating surfaces of the boiler by increasing the number elliptic loops, different bend on the individual heat exchange tube. Moreover, in a cylindrical furnace renders properly torch burners, as the flame propagates through the volume of the combustion chamber at a distance of 100-150 mm from the finned screen and finned radiation-convection pipes without touching the surface.

Loop pipe can be installed on the collector in several rows, "overlap", in a checkerboard pattern.

The fins of heat exchanger tubes in the combustion chamber of the boiler is performed so that the end edges facing into the combustion chamber had a temperature of the order K for concentration and increasing temperature field (radiation) of the combustion chamber and thereby intensify the combustion of fuel, replace the incendiary belt during the combustion of solid fuel, as well as to increase heat transfer from the fins) connected to the heat pipe, the opposite end of the edge.

Ribbed loop U-shaped pipe with three ellipses has a heating surface 9 times more than one finned U-shaped simple pipes and, if we consider that in the loop pipe is consistent with the heating fluid in the combustion chamber, the gross efficiency of the boiler that is defined by the direct balance sheet will be significantly higher efficiency gross boilers manufactured and which is in commercial operation.

The more sections in the proposed cylindrical finned front manifold, the more intense the heating surface of the boiler in the furnace and convective-radiation beam, the more intense heating of the heat carrier boiler and accordingly more rows of heat exchange tubes in concentric circles collector. Moreover, the heated liquid coolant can get any arguments from any section of the manifold by installing on the cover this section of the output valve (gate valve, valve) for selection of the coolant.

The gross efficiency of the proposed boiler cannot be determined and compared by utilizing the method for determining the efficiency could BE of Rawicz, because of the utilization methodology does not account for radiation heat received by the coolant in the combustion chamber, Tradiation(while q5 is determined graphically)

and only reflects a reduction in the temperature of the combustion products for boiler and its convective surfaces (recycling stream); and q5 is very small, because of heat loss to the environment offered by the boiler convey what I don insulation of the boiler, and the flow of air supplied to the burner, and therefore the determination of the efficiency of such boilers should be conducted only under the direct balance, i.e. heat generation by boiler through the heat and other system devices.

One of the main technical characteristics of the boiler is the heating surface (Fto·m2), which is measured on the gas side, and the more radiation heating surface, the more cost efficient the boiler. It is this capability and meets the proposed construction of the boiler in relation to devices of other types. The versatility of the proposed boilers is that they practically can work on any type of fuel (but not layer fuel combustion and heat capacity of these boilers can range from 100 KW to 1000 MW.

Ring collector has a line emptying of the boiler and fitted with relief valves (on the graphics part is not pictured).

The collector can be installed to connect with its partitions) heat pipe with one loss (large radius) and U-shaped heat pipe with fins, membranes, studded, loop.

The proposed boiler has the highest rate of flow in pipes (2.2 m/sec), and the intensity of heating of the heat carrier relative to produced.

On the basis of the AI research conducted by the American Gas Association (AGA), section "Heat transfer in the boiler page 8 follows: on the inner side of a tube of the heat carrier (water) tends to form a stable liquid film that tightly sticks to the surface of the metal pipe. It acts as insulation and greatly impedes heat transfer from the metal to the water. If the water is moving in the pipe with sufficient speed (2,134 m/sec), this sustainable film "washed out" flow and heat transfer process water is greatly increased. Each square centimeter of the surface of the tubes of the boiler takes 4-10 times more heat than a square inch of heating surface of the boiler with the movement of the carrier with speed below 2 m/sec or in boilers with natural circulation - low flow velocity of the coolant in the pipes. Based on the above, the speed of movement of the coolant in the heat exchange tubes of the proposed cylindrical boilers is assumed to be equal to 2.2 m/sec.

As the coolant in the proposed boilers can be used not only liquid, but also gases. In this embodiment, we propose compact compact boiler is considered as a high-temperature regenerative heat exchanger, which allows the use of the design of such boilers not only for the heating of liquid media (water)and gases (e.g. air, nitrogen, methane) for new technologies with a more perfect use of thermal energy from the combusted fuel.

Figure 1 shows provedoria boiler installation with vertical water-tube boiler and contact heat exchanger (K. T.);

figure 2 shows the annular ribbed sectional collector;

figure 3 shows a section of a cylindrical collector boiler installation in the plane I-I;

figure 4 shows the collector, which has more than 4 partitions;

figure 5 shows a manifold with three rows of heat exchange tubes arranged in a checkerboard pattern on the tube Board (the boards);

figure 6 shows the multi-function front (in case of horizontal arrangement of boiler) with releases sectional header boiler;

7 shows the outer row of tubes 4 row manifold with overflow chamber;

on Fig shows a sectional manifold, the design of which part of the heat exchange tubes fixed in a checkerboard pattern on its outer side:

in figures 9 and 10 explain the structure and operation of the spring of the explosive valve;

figure 11 shows an enlarged heating surface of one portion of the heat pipe radiative convective beam boiler;

on Fig depicts two adjacent heat loop pipe;

on Fig shows the folding radiation-convection the I part of the heat exchange tubes, located at the end of the combustion chamber;

on Fig and 15 shows the sectional area of the heat exchange tubes, which is radiazione-convective beam;

on Fig presented in section one part section of the annular collapsible finned collector;

on Fig shows the fastening of the threaded ends of the tubes to the tube plate with thrust washers and corrosion-resistant nuts located inside the section of the collector;

on Fig shows the heat transfer pipe with threads on the end;

on Fig shows the fitting;

on Fig depicted gasketed heat exchanger shell with a support device;

on Fig heat exchanger shown two dismountable Probatica;

on Fig loop shown finned heat pipe installed in the combustion chamber;

on Fig depicts a boiler with a loop heat pipe;

on Fig shows the fastening of one end of the tubes in the glass;

on Fig shown coiled heat exchange tube mounted in the combustion chamber of the boiler;

on Fig depicted schematically water-tube boiler installation with integrated economizer;

on Fig shows the partition header.

Boiler system includes a vertical shielded water-tube boiler with fully shielded furnace chamber 1 to the lower position with clonage collector 3, having the fins 2 (the lower support boiler and K.T. - contact heat exchanger not shown). Demountable boiler has four supporting legs connected to the lower header, and a duct connecting the boiler with K.T., has ribbing. Contact heat exchanger installed on a collecting tank. Oil-gas burner device - G combined with blowing fan 4, and the suction inlet of the fan of the burner from under the casing 5 comes hot air heater of the boiler, there on the pump suction fan is supplied as a line pipe 6 recirculation of products of combustion, passing under the boiler casing, and line pipe 7 vapour water vapour from the tank deaerator (figure 1 piping shown partially). Sectional collector in this case is the inlet nozzle 8 and the outlet nozzle 9 heated coolant from the boiler (arrows).

Vertical cylindrical water-tube boiler has five circuits, the first circuit technology to heat the fluid (water) in the tank deaerator for thermal deaeration of water consists of an inner ring of a truncated collector 10, made with fins and release in the combustion chamber of the vertical wall, the truncated perforated collector on the one hand, and on the opposite side of the truncated manifold 10 is connected with its heat Proc. of the service system 11, and coiled finned tube circuits 12-13 heating fuels (liquid, gaseous) are for radiative convective part (beam) of the boiler. The boiler in this embodiment has a double-row chess shielding on the location of the display of the longitudinal (along the cylindrical combustion chamber) of the heat exchange tubes 14, 15 in the combustion chamber 1 of the boiler tubes on the manifold installed with this step, to heat the heating surface of the air did not receive radiation from the flame of the burner).

On the external display side of the lower and upper tube cylindrical furnace chamber of the boiler (when horizontal) and the furnace rear screens (radiation and convection tube bundle boiler) worn gasketed heat exchanger finned removable cylindrical surface of the heated air, which with the flange and bolts and nuts connected with the annular manifold 3.

The surface of the heater (main) designated by the numeral 16, as in figure 1, the cylindrical surface of the heater 16 merges with the external prodolny screen vertical (figure 1) pipes 15 of the boiler, because the thickness of the cylindrical surface for better heat transfer and reduce the metal of the boiler does not exceed 2-3 mm, cylindrical surface 16 opposite from the manifold 3 end sealed cu is glym sheet metal, United with the cylindrical surface 16 (this is the special case, when the cylindrical odnoklasternye boiler linked with contact heat exchanger), and in turn seals the combustion chamber and the flue of the boiler and the furnace blasting spring-loaded valve, which are pressed by springs against the Windows, available on the cylindrical surface 16 of the heated air. And on top of the finned heat exchanger round metal sheet 2 flue (not labeled), sealing the flue is installed explosive valve 17. The products of combustion through the window, the available heating surface of the heater 16, which is connected to the flue of the boiler and CT, turn in the duct connecting the boiler plant with contact heat exchanger is shown by the large arrow.

The housing (case) of the boiler is indicated by figure 5, and figure 18-19 marked the fourth and fifth two-stage (coil, loop) circuits heating the coolant located in the ducts before the nozzle entrance and exit of products of combustion from K.T. Single cylindrical flue boiler is closed by the surface of the heater 16, in turn finned cylindrical surface 16 is connected with a round sheet, closing the tube system of the boiler and the longitudinal sealing, lower, upper and lateral parts topock the th camera and convective beam from the sectional collector 3 almost to the air intake coming to burning through the hole located above the boiler unit in the casing (indicated by two parallel arrows). Round ribbed 2 sheet metal (round end wall of the flue), sealing with the rear end of the combustion chamber and a cylindrical flue boiler installation is that the surface of the heated air, as installed on it a blast valve 17. Large arrows indicate the movement of products of combustion.

The casing 5, limiting the heating surface of the heater also has a window through which passes the gas duct connecting the boiler with CT.

Vertical longitudinal screen of heat-exchange tubes of the first 14 and second 15 rows of the furnace must be installed on the collector in a checkerboard pattern, as given in the description of the boiler design and arrangement of the drawing figure 1, as in a checkerboard arrangement of heat transfer screen pipes 14, 15 significantly increases the heat removal from the combustion chamber of the boiler and, accordingly, production of boiler thermal energy by increasing the radiation heating surfaces of the furnace chamber of the boiler, and chess (dense) shielding of the combustion chamber serves to protect the cylindrical finned heating surface 16 of the heater from direct exposure to radiation (radiation) energy torch burner eliminate the STV and reduces the surface temperature to the desired design parameters. All offer collectors of these types of boilers with dual-attach heat exchanger finned tubes to the tube plate (boards) one collector, but to different sections (chambers) of this collector are removable in a variety of ways: for example by means of nuts (nuts) thread. The collector typically is collapsible or at least with shamimi caps and septa, which allows disassembly of piping systems of all types of cylindrical boilers with one header and replacement of heat exchanger tubes or each individual pipe. It is not excluded that the collector can be molded, and heat exchange pipes fixed, i.e. the collector and the connection with it of the heat transfer tubes can be made deaf by welding.

The collector has three sections (camera) with two direct and one semicircular partitions; (2 partitions marked with the letter P), the input section 20 (which receives heated coolant), the bypass section (camera) 21, where the coolant from the outside of the display range of the heat transfer tubes passes into the internal number of the on-screen heat exchange tubes and the heated coolant is supplied to the output of the heated section 22 of the heated fluid through the outlet nozzle 23 the heated coolant is fed into a heat network to the consumer, as part TEPLOSET the La of section 22 enters the technological path hollow ring" (which is combined with the reservoir through a perforated, partially annular wall and later in his pipe system 11 loop (arrow). All holes tube grates collectors is marked with the letter O are fixed in the holes of the heat exchange tubes of the boiler.

The release of the partitions 24 are made to increase heat transfer to the coolant circulating in the section header and path (truncated hollow ring), heated in the circuit 11, the coolant gas to the environment is supplied to heat the tank and the panel surfaces radiative-convective beam and contours of the boiler unit. The ends 25 of heat exchanger tubes mounted on the tube sheet holes and secured it with screws 26 one-way fastening on the inner side of the section of the collector (in this embodiment, two ends of the tubes are threaded, to which are screwed the nuts 26), and focus all 25 of heat exchanger tubes in the tube grid is "rolling" 27 - local increase in the diameter of the tubes. The output is the output partitions 10-15 mm above the tube plates and lids collector for a greater perception of thermal energy partition and transfer this heat to the coolant and the air flow (the release of an additional fins).

Ring collectors boiler plants have a drain line through which emptied from the coolant as you count ectory, and the boiler as a whole. Through the drain line manifold and the air vent before the deactivation of the possible boiler blowdown pipe system of the boiler and the manifold air or inert non-explosive gas. For the collector there are special sockets where necessary, install a safety valve, instruments and air vents, which is used when filling the boiler cooled.

The manifold depicted in figure 4, has more than 4 sections (chambers), and the input section 28 has a suction inlet of the heated fluid, and the arrow shows the entrance of fluid into the inlet and outlet of the coolant, fins, safety valve, automatic air vent, drain valve, safety devices not shown in figure 4. Section 29-30 - combined, the coolant flows from the heat exchange tubes of the outer row of section 29 of the heat-exchange pipe external number combined section 30, the pipe of this number are located on the same concentric circle of the ring collector. Section 35 exit of heated fluid from the boiler, in this part of the coolant from section 35 comes in technological circular truncated path through the perforated inner annular wall of the manifold (shown by arrows), and of an annular truncated path "hollow ring" coolant enters the pipe system circuit 11. Truncated "p the white ring is made with issue - finning. Technologically, the fluid moves, circulates sequentially through the sections of the cylindrical collector-28-29-30-31-32-33-34-35, and section 31-32 bypass, coolant from the heat exchanger longitudinal pipes external number of the combustion chamber passes into the heat exchanger longitudinal pipe internal number of the combustion chamber, where temperature and pressure above (counterflow). Section 28 is the output of the heated coolant to the consumer (pipe not shown) and the inlet fluid path truncated hollow ring and forth in the pipe system circuit 11.

Figure 5 shows a manifold with three rows of heat exchange tubes arranged in a checkerboard pattern on the tube Board (the boards) cylindrical collapsible reservoir. Moreover, the word “folding” the collector has in mind above all that pipe removable boards and removable covers, manifold and one more, and a method of manufacturing a manifold in this case is not considered. Each row of tubes on the manifold shown (marked through the holes -0) partially selectively. The header refers to the process liquid (special case) the boiler with the heating temperature of the heat carrier up to 115° s, when the excessive pressure of the fluid in the boiler to 7 kgf/cm2. Liquid boiler does not have the technological path of the heated fluid as heat DEA is the radio carrier (for example, water) may be carried out in the tank deaerator from the heat carrier temperature in the range of 105 to 115° at the exit of the coolant from the boiler. Consider the boiler can operate with reduced options up to 95° as a “roof” in a closed thermal network multi-storey houses.

Movement of fluid in the proposed cylindrical manifold as follows. The heated coolant is supplied to the inlet pipe (indicated by the arrow in figure 5) of section 36 of the collector. Further, the coolant sequentially moves along the heat exchange surfaces (pipes) boiler and sequentially passes through the heat exchanger sections (chambers) cylindrical annular collector 36-37-38-39-40-41-42-43-44-45-46-47. Moreover, the collector has combined sections (37-38) (41-42) (45-46) and the bypass section (39-40) (43'-44), all collectors are laid one principle and mechanism of the brine is combined section (camera), the bypass section (camera), through the perforated partitions, all partitions (camera) in turn connected in series with heat exchange tubes of the boiler, in this design of the collector.

Holes in the tube plate is marked with the letter O. figure 6 shows the proposed multi-function front (horizontal boiler) the collector of the boiler. To llector can be made in different ways and from different materials, for example cast silumin (cast iron), and with two sides to it by bolts perevorachivautsa on the outer side of the finned cover (lid), and the inner side of the combustion chamber) of the pipe planks (boards), installed and connected by a tight four rows of heat exchange tubes of the boiler heating surfaces. This offer annular manifold designed for once-through periodogram boilers. Entering the collector fluid is included in section (camera) collector 48 and moving alternately and sequentially heat the boiler tubes and sections (chambers) collector 48-49-50-51-52-53-54-55-56-57-58-59-60-61-62-63 where section 57 of the cylindrical manifold portion of the coolant in the liquid phase is selected for heating, hot water - DHW and technological needs, and the remainder of the coolant from section 57 passes, consequently, the system of heat exchange tubes with a higher temperature the pressure in the boiler and sections of the collector 58-59-60-61-62 into steam. Section 62 (camera) is a partition of the output of saturated or superheated steam (the outlet nozzle figure 6 is not shown) depending on the number of sampling fluid in liquid phase from section 57 of the manifold. For example, 70% of the coolant is collected in the liquid phase of 70 tons of water with t=90° C and 30 tons of steam with t=250° section 63 (30%). Section 57 is a section of the intermediate heat carrier takeoff.

7 shows in part the whole collector is only the outer row of tubes 4 in-line reservoir with an overflow chamber (71-72) manifold is the same as for figure 6, the only difference is that the number of sections (chambers) of the fourth outer row of heat exchange tubes of the collector is doubled, the cylindrical collector can have a single partition and more.

For example: One coolant enters the collector and comes with collector with a higher temperature, but in the liquid phase. Another fluid enters the reservoir in the liquid phase (water)and out the collector in the form of superheated steam with a temperature -573 (300° (C) etc. On the collector (7) is not shown other numbers of installed heat exchange tubes (shown only the outer row of pipes (holes) boiler and partially by-pass section-camera (71-72).

The tubes are installed packages so that part of the pipe, package, located in radiative-convective beam lie in the same plane, shown by the dotted line and large arrows, showing the sequence of movement of the carrier sections (64-65-66-67-68-69-70-71-72 etc), part of the inner rows of tubes and sections 7 are not shown.

The proposed boilers with a large number of sections in the reservoir and, therefore, with megatr is based circulation of coolant can be used for electricity generation in condensing power plants and CHP plants. Not all collectors of the drawings shows the fins, but in the description and in fact all the collectors and their elements - tube plate, cover, flat walls, the annular outer and inner walls have fins, releases, can be Osipovna, because on the one hand collectors of data types is located in the combustion chamber and on the opposite side of the reservoir is a heating surface of the heater and washed by the stream of air entering (supplied) on the burner of the boiler.

7 the tubes connecting sequentially the movement of the carrier section of the proposed collector, mounted so that their parts (heat transfer tubes)located in radiative-convective beam, packaged, and packages are “each other” (after the first until the last package) at any position of the boiler.

On Fig (drawing diagram) shows a sectional finned collector, the design of which part of the heat screen-convection pipes fixed in a checkerboard pattern on the outer side (the ring), forming an annular manifold, which in essence is both circular tube sheet (Board). The tubes can also be mounted on a flat tubular lattice - inner end of the same manifold. Heat Tr which would form (installed on the outer ring) front dual screen on a circle, and this in turn increases the heating surface of the boiler, its effectiveness and efficiency gross. Display the tubes 15, 14 in total on Fig shows three display tubes 15 - two 14 - one). Arrows on the tube shows the movement of the heat carrier (Item all collectors denotes the partition. 2 - internal annular fins collector and a issue septum - ring tube plate. 73 - studs (fasteners), tightening the cap with the tube Board collapsible reservoir. 74 - small external forming a ring collector. 26 - threaded nuts securing the heat pipe (heat pipe welded thrust washers - more will be lower here on pig not marked). Cover collector - 75. The inlet nozzle carrier 8. The outlet nozzle is heated coolant 9. Nut, tightening the cap with flat trumpet Board collector (hardware) - 76.

Figure 9 and figure 10 explains the structure and operation of the spring explosive valve located on the perimeter above the furnace part and rear screens (radiative-convective beam boiler). Furnace and convective part of the boiler from the ring manifold and after the support structure of the boiler (half shells, shells) is closed collapsible ribbed 2 cylindrical surface 16 of the air heating flared 77 (from one half of the cylindrical surface of the sheet zade is on an issue, to seal the flue in place flanging 77, consisting of two halves that are fastened together with fasteners. In the cylindrical surface of the heated air (flue) there are four Windows 79, which are closed spring (belt) valves 80 (surrounding the sides, top and bottom cylindrical surface of the duct at its horizontal position). Valves are made of heat-resistant flexible material is sheet metal. Through the flared explosive valves on the edges (and also centered between the Windows) are studs 81 threaded on the ends, on which nuts and washers to put on the springs 82 (springs small dimensions). The tension of the springs 82 is adjustable by nuts 83. When it occurs in the combustion chamber overpressure (explosion - “cotton”) of the spring 82 is compressed and the valve to rise and through the window collapsible cylindrical surface of the firebox and flue of the boiler gases in the space of the heater is limited by the casing and connected with the burner device and the atmosphere, this also triggers a spring-loaded explosive valve 17 (see Fig 1, the installation of a spring mechanism on the explosive valve 17 is not shown).

Figure 11 shows an enlarged heating surface of one (conditionally second) of section 84 of the heat exchange pipe - radiative-convective beam boiler. Surface heating which connects the two longitudinal screen pipes of the furnace chamber of the boiler, oppositely located on concentric circles circular sectional collector, and their loops perpendicular to the moving stream of combustion products leaving the combustion chamber. Conditional plot two heat exchange tubes located in the duct in such a way as to create the most aerodynamic resistance to a moving stream of combustion products, this is one way of increasing the heating surface radiative-convective beam and reducing the temperature of flue gases at the boiler outlet, and consequently increasing the efficiency of the gross boiler installation in General.

On Fig shows only two adjacent heat loop pipe 85, they are identical and installed in the combustion chamber of the boiler unit on one concentric circle of the ring collector. Ellipses-loop heat exchanger OSD longitudinal pipes laid overlap and are connected in heat exchange relationship by fasteners 86 and ellipses loops of heat transfer tube can be made one (one) or more, while the loopback screen radiation heat transfer pipe (pipes) are made with different radii of bends.

On Fig shows a sectional radiative-convective (second) part 87 of the heat exchange tubes located at the end of the combustion chamber of the boiler, after which bend connects to (conditionally first phase is m 88 OSD longitudinal pipe with threaded, externally faceted clutch 89 with two threads at the ends of the left and right, with the connecting end of the display of the longitudinal pipes (first 88 plot) and late radiation-convection pipes (87 second section) are similar to the clutch 89 different threads left and right, in addition to the clutch 89 connection can happen with lock nuts, which Fig not shown.

On Fig and 15 shows the sectional heat exchanger tube second section 87, which is in radiative-convective beam (in the direction of flow), and the display of the longitudinal pipe 88 boiler furnace chamber connected with the second section 87 (in the first case - Fig) metal squares with thread, since this thread has all the ends of the longitudinal screens and sections of the pipe 87, connecting them. Gasketed heat exchanger tube can be connected by means of flanges 91 (Fig). All threads and connectors involved in the connection of heat exchanger tubes can be coated sealing blagodarnostjami mastic, glue, liquid glass, enamels and resins. Cleaning collapsible tubes in the boiler after their dismantling can be performed mechanically by means of a flexible steel cable with a roller cutter, and in General cleaning of the pipe system boilers offer provided by acid leaching or washing by chelating agents. When sealing flanges are applied soft, TP is more washers of metal (lead, aluminum, copper), and heat pipe boiler may join the collector also by means of flanges.

On Fig presented in section one part section of the annular collapsible finned collector, which can be extended (made up) up to several circular sections with partitions, i.e., the collector can be produced, accumulated and communicated to several circular sections with the location of heat exchange tubes in concentric circles collector and may be identical to the headers shown in figure 4-7.

Two annular partitions - P V-grooves are provided with threaded studs 92 and cover 94 and tube sheet - section of the collector have holes for the studs 92 and are drawn together by means of screws 93.

The required density section 95 (camera) collector is provided a wedge-shaped protrusions on the lid 94 and the tube plate (pipe lattice - O) and V-grooves in the walls where the density of the grooves has a sealing gasket material.

The collector has the fins 2 and the heat exchanger inlets (optional fins) side covers 94 and tube sheets O.

On Fig shows the fastening of the threaded ends of the tubes 88 to the tube plate Of using thrust washers 96 and corrosion-resistant nuts 93, located inside section of the collector. Thrust washer 96 with steel is mi heat exchange tubes connected by welding, and with copper heat pipes and copper thrust washer 96 is connected by soldering (solder), or the inner part of the washer 96 swallowed in the annular groove, the available heat transfer pipe (Fig not shown). Thrust washer is, moreover, a heat exchange element of the boiler-boiler installation, because is located in the combustion chamber, this kind of additional fin heat exchanger tubes; on the other hand, at the end of the tubes, where there is a thread, wrapped around the fastener (nut 93), which presses the thrust washer 96 to the tube plate On providing a reliable demountable connection. Nut 93 shall be made with corrosion-resistant coating or corrosion-resistant material (e.g. plastic).

On Fig shown (one end of the longitudinal section) of the heat exchange pipe 88 threaded on the end, its focus in the tube Board (Fig not shown) serves as the rollers 97 (identical to the thrust washer 96), and rolling is a local increase in the diameter of the tubes.

On Fig shows the fitting (wertish, fasteners threaded end of the tubes to the tube plate), the fitting has an external thread 98 on which the fitting is screwed in the tube Board and the internal threads 99 on which the fitting is screwed onto the threaded end of the tubes (svorachivanie fitting is performed simultaneously on two threads), so amym connecting heat pipe (two ends, two fitting) tube Board.

Fitting with the tube Board meets on the chamfer 100, providing density as a “valve seat”, this fitting has a through hole through which the section of the manifold in heat exchanging pipe or tube heat carrier (shown by two arrows), and the fitting is made of corrosion-resistant material and when replacing the tubes should otvincivatmisa using the Allen key as the head 101 fitting made faceted.

On Fig depicted gasketed heat exchanger shell 102 with the control device 103 in the intermediate and rear parts of the boiler system, and shows part 87 (all tubes) heat exchanger tubes (the second segment of the heat pipe is suspended), and sections 87 finned heat exchanger tubes pass through the center of flue (the tubes are not packaged by sections) and receive thermal energy radiation and convection. Type of pipe is a type of boiler beam (rear screen) before contours against the progress of the combustion products.

On Fig shown exchanger collapsible double-seat (fasteners not shown) Probatica 104, the lower part has a sliding, fitting the cowling sheet metal, which is connected with the longitudinal tubes of the boiler and can move along the lower side of the collapsible shell Fig (list not shown) or half shells (Fig), thereby compensate for thermal elongation of the pipe system of the boiler, although in a cylindrical water-tube boilers with a loop, coiled and curved heat pipes there is a temperature compensation lengthening of heat exchanger tubes as opposed to the horizontal, a fire-gastronic boilers with hard thermal design, a large thermal resistance λ kcal/kg /δ m and low radiation heating surface relative to the cylindrical tube boilers with the movement of the coolant in the heat exchange tubes with the speed of 2.15 m/s and therefore heat generation of these boilers is almost 50% lower than in steel countercurrent water-tube boilers. Hence, the fuel savings of the order of 50% or more, but the gross efficiency of the boiler in such cases should be determined by direct balance (through heat).

On Fig loop shown finned heat exchange tube 14, which is installed in the combustion chamber of the proposed cylindrical water tube boilers, where the ends of the fins (fins), converted in the combustion chamber have a temperature of 1273 K.

On Fig depicts a boiler with a loop (gibs) heat transfer pipe 14, fin. Loop radiative-convective beam are perpendicular to the flow of combustion products (flow indicated by the large arrow), in this embodiment, the boiler them is no additional front screen, because the tubes are connected with the outer forming wall of the annular fin 2 collector, in which space may occupy any position.

On Fig shows the fastening of one end of the tubes 14 in the glass 105 by pouring molten lead 106, the glass is fixed to the tube plate Of the welding, as in the drawings, the tube plate have holes, indicated by the letter O should be considered and designation pipe boards also by the letter O because without holes for tube sheets does not happen. Glass 105 may be connected with the tube Board About various ways (e.g., screw, rivets and so on).

On Fig shown coiled heat exchange tube 107 installed in the combustion chamber of the boiler, the pipe 107 has fins, which on Fig not shown, the pipe 107 are connected to two ends with header.

On Fig depicted schematically water-tube boiler installation with integrated economizer 108, finned annular manifold 3, the combustion chamber 1, a burner device, a casing 5, a display pipe 14-15 with radiative-convective beam 109, finned annular heating surface of the heater 110, the front and rear legs 103, small arrows show the movement of the air flow. The entrance and exit of the coolant, as well as the contours of the boiler system n the drawing, the circuit 26 by the applicant is not shown.

On Fig demonstrates a complex single partition - P, consisting of two flat and two semicircular walls with a three-way movement of fluid through the rows of tubes (1-2, 3-4, 5-6), separated by a partition.

The work of the boiler unit is as follows.

The heated coolant from the economizer 108 or circuits is fed into a heated manifold 3 in the input section of the input section of the coolant enters the pipe system of the boiler 14 and 15 and then enters following a heated section and then enters the pipe system of the boiler 14 and 15, having alternately all sections of the collector 3 and the tube system of the boiler, the coolant is sent to the user according to the preset parameters in the form of hot water, saturated steam, superheated steam.

In the proposed designs of boilers with higher temperature the pressure between the heating and heated environment Δ t=t1-t2, resulting from structural features of the combustion chamber of the boiler 1, the heating fluid is as follows. The incoming coolant starts to heat up in the input section (camera) ribbed on both sides of the collector 3, as the section of the manifold with the inner side facing into the combustion chamber 1, and on the other hand is washed (under the hood) the heated air supplied to the burner, then the coolant from the input section and enters the heat exchanger waterwall tubes 14 and 15 of the boiler. Then, the coolant enters the following heated section of the chamber cylindrical collector and from the collector section of the path of the coolant continues to display the heat exchange tubes 14 and 15 (conditionally divided into three sections), thus, the coolant passes all sections of the collector and heat exchanger tubes 14, 15 of the boiler unit and comes to the output of the heated section of the cylindrical collector 3, where the heated coolant from the output nozzle is directed to the consumer. The tubes in successive heating of the heat carrier "conditionally divided into three parts, regardless of their (pipes) geometric configuration.

The first portion 88 of the pipe in which the heat carrier is heated in the area of screen tubes located along the furnace chamber 1 boiler (regardless of its position), it is natural for any number of heat exchange tubes, then the coolant enters the second (conditional) section 87 of the display tube, located in radiazione-convective beam - end of the combustion chamber 1, where the second part of the heat pipe transfers the heat carrier heat energy not only by radiation from the flame of the burner, but also by convection (by washing) from the stream of moving products of combustion, then the coolant enters (conditionally) the third phase heat transfer pipes, which also includes the longitudinal waterwall tube, located along the boiler furnace chamber, opposite the (conditionally) the first section of this heat exchanger longitudinal screen tubes; the third section as the first section of the pipe, is located along the furnace chamber and the path of propagation of the flame and the movement of products of combustion.

We offer compact design cylindrical boilers can be used for individual heating systems of buildings, the so-called "roof boiler", with roof-mounted boilers must be installed copper heat pipes, because thermal conductivity of copper pipes in seven times higher than conventional steel boiler heat exchanger tubes and, consequently, heat generation by boiler increases by approximately the same factor.

We offer boiler plants the main part of the heat is generated due to the radiation of energy from the flame of the burning fuel in finned tubular combustion chamber of a boiler with a large active radiation heating surface, thus reducing heat loss - q5 furnace chamber and convective part of the boiler occurs due to heating of the air supplied to the burner, and efficient heating of the fluid due to higher temperature difference between the heating and heated environments in each heat exchanger tube.

The offered tube is catching possible to install a rectangular sectional collectors, but in this embodiment, the boiler and the boiler itself takes the form of a rectangle, which leads to a temperature scan exchanger waterwall tubes in the combustion chamber of the boiler, and in this case, cylindrical shielded combustion chamber is preferable and more efficient than a rectangular combustion chamber

Boilers (boiler, burner, heater) can be used without any type economizers, since the disposal of the products of combustion (temperature reduction of exhaust flue gases at the boiler) in this embodiment is partially radiative-convective beam and a loop circuits of heating the coolant and fuel, as well as the first regenerative tube step of heating the air.

Offer counterflow cylindrical design boilers with radiative-convective bunches at the end of the combustion chamber and one finned circular sectional manifold, equipped with blower burner units, economizers, circuits, heaters, fully made of copper with a thermal conductivity λ =390 W / (MK) and the speed of the coolant in the heat exchange tubes V=2.2 m/sec, will be several orders of magnitude more efficient boilers generating heat at CHP, namely 5 times or more.

1. Cylindrical lodotra the Naya provedoria boiler installation, containing a cylindrical boiler with an internal cylindrical shielded furnace chamber, located at the center of the boiler, a burner, heater, adjustable contours heating the coolant and fuel, blower fan, one or more rows of heat exchange tubes, an annular cylindrical sectional heated manifold and the economizer, with the boiler plant can be located in space obliquely, horizontally, vertically, characterized in that the boiler installation demountable and can optionally contain the burner, the boiler has one turn of the flue gases, the tubes are removable economizer made contact, and finned heat exchanger tube is made of U-shaped or coiled form at the end of the combustion chamber radiative-convective beam and their ends are located on concentric circles cylindrical collector, which has a support, and the collector has one or more nozzles of the entry and exit of fluid, and one or more rows of heat exchange tubes are connected to different sections of the collector.

2. Boiler installation according to claim 1, characterized in that the tubes of the boiler with removable collapsible header.

3. Boiler installation according to claim 1 or 2, characterized in that it is additionally equipped with a regenerative radiation is ion-convective economizer.

4. Boiler installation according to claim 3, characterized in that it is made of non-ferrous metals and their alloys.

5. Boiler installation according to claim 4, characterized in that it is protected by a layer of corrosion-resistant material.

6. Boiler installation according to claim 5, characterized in that it is made of corrosion-resistant material.

7. Boiler installation according to claim 1, wherein is further provided with an exhauster.

8. Cylindrical tube provedoria boiler installation comprising a cylindrical boiler with an internal cylindrical shielded furnace chamber, located at the center of the boiler, a burner, heater, front sectional annular heated manifold, blower fan, the contour of the heated fluid, the longitudinal heat exchange tubes located in the combustion chamber and the convection part of the boiler, while the tightness of the combustion chamber is provided either by heat-exchange membranes connecting the heat pipe, or heat transfer cylindrical surface, and the boiler plant can be located in space obliquely, horizontally, vertically, characterized in that the combustion chamber is one-way movement of products of combustion, heat exchange tubes collected at the end of the combustion chamber in packages of radiation and convection tube bundle, and Teploobmen the major membrane, as heat transfer cylindrical surface, sealing the combustion chamber and the convection part of the boiler, reach the front of the collector at the ends of heat exchange tubes are connected to different sections of the collector and is connected to the outer ring of the collector, the collector has output connections for the selection of the coolant, from which you can select the carrier several parameters - heated water for heating and hot water, saturated and superheated steam for thermal deaeration of the coolant and to own and technological needs of production, in addition, boiler installation prototechno relative to thermal pressure of the combustion chamber has one or more supporting devices, and the rear the end of the combustion chamber is part of the heating surface of the heater together with the outlet nozzle of the combustion products, boiler and heat exchanger tube is made consistent with the heated fluid and the speed of its movement in the heat exchange tubes of 2.15 m/s and, in addition, the boiler plant may further comprise a burner, and can work under pressurization, and balanced-draft.

9. Boiler installation according to claim 1, characterized in that the supplied regenerative economizer.

10. Boiler installation according to claim 8 or 9, otlichayas the same time, that the tubes of the boiler are the fins, Osipovna made fin, type of snake, loop, coil.

11. Boiler installation according to claim 7, characterized in that it has a front tubular screen with one or more rows of heat exchange tubes connected to the outer ring of the collector.

12. Boiler installation according to claim 11, characterized in that it is made of non-ferrous metals or their alloys.

13. Boiler installation according to item 12, wherein is further provided with an exhauster.

14. Boiler installation according to item 13, wherein the secure layer of corrosion-resistant material.

15. Boiler installation according to item 13, characterized in that it is made of corrosion-resistant material.

16. Multi-way water heated annular collector boiler having sections which are formed by partitions, deaf, and perforated, one or more front covers, and one or more tube sheets, on which are fixed the tubes of the boiler, characterized in that it has the fins, some of the partitions were made flat, and some of the partitions were made as a ring or part of a ring, the ends of heat exchange tubes are connected to different sections and outer ring manifold sections have output connections for the selection of the carrier and provide the heating fluid, his blood is Yu, the distribution of the coolant in the boiler heating surfaces and the direction of the coolant in the steam circuit, furthermore, the external finned front side of the collector is part of the heating surface of the heater, the collector is assigned one or more burners, and in the space of the manifold may be placed obliquely, horizontally, vertically, and made collapsible.

17. The annular collector item 16, characterized in that the partitions are made with the issue and are heat-exchange elements of the header.

18. The annular collector 17, characterized in that it is made of non-ferrous metals or their alloys.

19. The annular collector p, characterized in that it is protected by a layer of corrosion-resistant material.

20. The annular collector p, characterized in that it is made of corrosion-resistant material.



 

Same patents:

FIELD: heat-power engineering; power engineering; chemical and oil industries.

SUBSTANCE: proposed chamber is provided with rods having section in form of rectangle; rods are mounted over entire perimeter of tube bank in parallel with tubes; vertices of adjacent faces directed towards each other form diffuser and contraction passages. Vertices of faces of adjacent rods directed towards each other may be rounded-off.

EFFECT: reduced hydraulic resistance and enhanced reliability.

2 cl, 3 dwg

FIELD: heat-power engineering; heat exchangers with mixing of heat-transfer agent flows at different temperatures.

SUBSTANCE: circular partition is provided with circular V-shaped box smoothly perforated over perimeter and located above holes of heat-transfer agent inlet branch pipes; vertex of V-shaped box is rigidly connected with circular partition and end faces of box are tightly connected with inner surface of body and outer surface of casing.

EFFECT: reduced hydraulic resistance at simultaneous reduction of usage of metal.

5 cl, 4 dwg

FIELD: heat-exchange apparatus; liquid-to-liquid heat exchangers.

SUBSTANCE: collector chamber of shell-and-tube heat exchanger adjoining the tube sheet of tube bank includes partitions dividing it into supply and discharge compartments; they have U-shaped profile with strip located between its runs; it is made from elastic material; one end of strip is secured on tube sheet and second end is bent at 180 deg. on side of supply compartment.

EFFECT: enhanced operational reliability.

Regenerative cooler // 2142608
The invention relates to refrigeration, and more particularly to regenerative coolers, and in the particular case of the coolers used in such systems in which the refrigerant is air, and the cooled medium - oil

The invention relates to a power system and can be used in steam generators

The heat exchanger // 2097670
The invention relates to heat engineering and can be used in alumina production for heating and cooling slurries and solutions

FIELD: heat power engineering.

SUBSTANCE: the inventions are intended for heating water and-or steam and may be used in heat power engineering. The boiler plant contains a cylindrical boiler having one course of gases and an internal cylindrical shielded furnace chamber, an air heater, controlled circuits of heating of a heat carrier and fuels, one and more rows of heat exchange pipes, a ring-shaped cylindrical sectional header and a contact economizer. The finned heat exchange pipes are made U-shaped or coiled and form in the end part of the furnace chamber a radiation-convective beam. At that the gas-tightness of the furnace chamber may be ensured either by heat exchange diaphragms connecting the heat exchange pipes or by a heat exchange cylindrical surface. The heat exchange diaphragms, as well as the heat exchange cylindrical surface, which is sealing the furnace chamber and the convective part of the boiler, are spread to the frontal collector. On the collector there are outlet branch-pipes for withdrawal of the heat carrier, from which it is simultaneously possible to take the heat-carrier of several parameters. The boiler plant is countercurrent in respect to a temperature pressure of the furnace chamber and has one and more supporting devices. The back butt of the furnace chamber serves a part of a heating surface of the air-heater together with a branch-pipe of the outlet of the combustion products. The boiler and its heat-exchange pipes are made with in an series heating of the heat-carrier at the speed of its movement in the heat-exchange pipes of 2.15 m\s. The ring-shaped finned boiler header has sections, which are formed by partitions both blank and perforated, one and more frontal covers, one and more pipe plates, on which the heat-exchange pipes of the boiler are fixed. A part of the partitions is made flat and a part of the partitions is made as a ring or a part of a ring. The external finned frontal side of a collector is a part of the heating surface of the air heater. Inventions ensure increased efficiency of the boiler gross load and expansion of its functionalities.

EFFECT: the inventions ensure increased efficiency of the boiler gross load and expansion of its functionalities.

20 cl, 27 dwg

FIELD: heat-exchange apparatus; liquid-to-liquid heat exchangers.

SUBSTANCE: collector chamber of shell-and-tube heat exchanger adjoining the tube sheet of tube bank includes partitions dividing it into supply and discharge compartments; they have U-shaped profile with strip located between its runs; it is made from elastic material; one end of strip is secured on tube sheet and second end is bent at 180 deg. on side of supply compartment.

EFFECT: enhanced operational reliability.

FIELD: heat-power engineering; heat exchangers with mixing of heat-transfer agent flows at different temperatures.

SUBSTANCE: circular partition is provided with circular V-shaped box smoothly perforated over perimeter and located above holes of heat-transfer agent inlet branch pipes; vertex of V-shaped box is rigidly connected with circular partition and end faces of box are tightly connected with inner surface of body and outer surface of casing.

EFFECT: reduced hydraulic resistance at simultaneous reduction of usage of metal.

5 cl, 4 dwg

FIELD: heat-power engineering; power engineering; chemical and oil industries.

SUBSTANCE: proposed chamber is provided with rods having section in form of rectangle; rods are mounted over entire perimeter of tube bank in parallel with tubes; vertices of adjacent faces directed towards each other form diffuser and contraction passages. Vertices of faces of adjacent rods directed towards each other may be rounded-off.

EFFECT: reduced hydraulic resistance and enhanced reliability.

2 cl, 3 dwg

FIELD: heat power engineering.

SUBSTANCE: the inventions are intended for heating water and-or steam and may be used in heat power engineering. The boiler plant contains a cylindrical boiler having one course of gases and an internal cylindrical shielded furnace chamber, an air heater, controlled circuits of heating of a heat carrier and fuels, one and more rows of heat exchange pipes, a ring-shaped cylindrical sectional header and a contact economizer. The finned heat exchange pipes are made U-shaped or coiled and form in the end part of the furnace chamber a radiation-convective beam. At that the gas-tightness of the furnace chamber may be ensured either by heat exchange diaphragms connecting the heat exchange pipes or by a heat exchange cylindrical surface. The heat exchange diaphragms, as well as the heat exchange cylindrical surface, which is sealing the furnace chamber and the convective part of the boiler, are spread to the frontal collector. On the collector there are outlet branch-pipes for withdrawal of the heat carrier, from which it is simultaneously possible to take the heat-carrier of several parameters. The boiler plant is countercurrent in respect to a temperature pressure of the furnace chamber and has one and more supporting devices. The back butt of the furnace chamber serves a part of a heating surface of the air-heater together with a branch-pipe of the outlet of the combustion products. The boiler and its heat-exchange pipes are made with in an series heating of the heat-carrier at the speed of its movement in the heat-exchange pipes of 2.15 m\s. The ring-shaped finned boiler header has sections, which are formed by partitions both blank and perforated, one and more frontal covers, one and more pipe plates, on which the heat-exchange pipes of the boiler are fixed. A part of the partitions is made flat and a part of the partitions is made as a ring or a part of a ring. The external finned frontal side of a collector is a part of the heating surface of the air heater. Inventions ensure increased efficiency of the boiler gross load and expansion of its functionalities.

EFFECT: the inventions ensure increased efficiency of the boiler gross load and expansion of its functionalities.

20 cl, 27 dwg

FIELD: heat exchange apparatus; chemical industry and power engineering.

SUBSTANCE: proposed manifold has body with distributor secured on it. Secured to non-magnetic body are magnetic coils; distributor consists of movable and rigidly secured screens made from magnetic material with porous medium placed in between them. Porous medium may be made from foamed plastic and at least 5 rows of elastic balls whose diameter exceeds pitch of screen; it may include at least four layers of ferrite particles at effective diameter equal to diameter of elastic balls.

EFFECT: possibility of performing control of flows in wide temperature range.

4 cl, 9 dwg

FIELD: power engineering, in particular, engineering of collectors for devices for utilization of gases exhausted by apparatuses primarily used for heating air by combustion products, coming from compressor of gas-turbine plant of gas flow apparatus at compressor stations of main gas pipelines.

SUBSTANCE: air injection or drainage collector of heat exchange block of heat-exchange apparatus like regenerative air heater is made in form of cylindrical ring with opening, in which additional pipe board is welded, while projection on end of pipe board of curvilinear portion of ring, forming an end of opening, is positioned within limits of thickness of pipe board, connection of ring to pipe board in plane of ring cross-section is made within angular range γ=28°-75°, and relation of projection area on aforementioned plane of curvilinear ring portion, forming an end of opening, to projection area on this plane of appropriate end of pipe board, is 0,048-0,172.

EFFECT: decreased mass of construction, high manufacturability of same, possibly lower laboriousness of manufacture, high durability of injection and drainage collector and reliability of its operation due to higher rigidity of construction.

5 cl, 4 dwg

FIELD: power engineering, in particular, heat exchange devices, primarily, air-based gas cooling apparatuses.

SUBSTANCE: device is made in form of reservoir working under pressure, including cylindrical body with end portions of two-side curvature, central branch pipe for connection to gas main and branch pipes for connecting to chambers for inlet or outlet of gas of heat-exchange sections of air gas cooling apparatus, while cylindrical body is made of technological sections, central one of which is made primarily in form of unified technological element with central branch pipe, and branch pipes for connection to chambers for inlet and outlet of gas of heat exchange sections of air gas cooling apparatus are mainly symmetrically positioned on both sides from central technological section and number of these branch pipes on each side ranges from 2 to 8, while the area of cross-section in light of central branch pipe is 0,7-1,0 of area of cross-section in light of cylindrical portion of body of collector fro injection or drainage of gas, and total area of cross section in light of branch pipes for connection to chamber for inlet or outlet of gas of each heat-exchange section of air-based gas cooling apparatus is 0,37-0,62 of area of cross-section in light of cylindrical portion of body of collector for injection or drainage of gas.

EFFECT: decreased metal cost of gas injection or drainage collector and higher manufacturability of its construction, and also decreased hydraulic losses in collector for injection or drainage of gas.

3 dwg, 7 cl

FIELD: power engineering, particularly gas cooling plant components.

SUBSTANCE: gas inlet or outlet chamber is made as a high-pressure tank and comprises side, upper, lower and end walls. Gas inlet or outlet chamber also comprises not less than two load-bearing partitions arranged between side walls and provided with through orifices. One chamber wall is made as tube plate with orifices defining grid structure and adapted to receive heat-exchanging tube ends. One chamber wall has orifices to receive pies to connect thereof with gas inlet or outlet manifold, which supplies gas to or discharges gas from the chamber. Orifices for connection pipe receiving, load-bearing partition orifices and tube plate orifices define communication system to connect gas air cooling plant with gas pipeline. The communication system has several stages with orifices formed so that orifice number at each stage successively changes in gas flow direction. For gas inlet chamber above number increases, for gas outlet chamber the number decreases.

EFFECT: possibility to equalize velocity field, reduced hydraulic hammer, which results in reduced power losses in pipeline conveying gas to be cooled and in increased thermal performance of air cooling plant as a whole or air cooling plant section, increased economy of plant production and operation.

3 dwg, 13 cl

FIELD: engineering of collectors for injection or drainage of gas for apparatuses for air-based gas cooling.

SUBSTANCE: device has bearing frame, on which not less than three cradle supports are mounted for supporting body of collector for injection or drainage of gas and for abutment of branch pipe connected thereto for connection to gas main, and no less than four portal supports for temporary technological holding by plane, rotation angle and position along collector for injection or drainage of gas of branch pipes with flanges for connection to chambers for inlet or outlet of gas of heat-exchange sections of air-based gas cooling apparatus adequately to position of contact surfaces of response flanges and mounting apertures in them in chamber for inlet or outlet of gas. At least two cradle supports are positioned with possible abutment of body of collector for injection or drainage of gas against them in accordance to suspension scheme, each one primarily between additional pair of portal supports, mounted below outmost and adjacent flanges of branch pipes for connection to chambers for inlet or outlet of gas. Each portal support is made with detachable beam, which is provided with device for temporary holding by plane and rotation angle of flange of appropriate branch pipe and for connection of it to body of collector for injection or drainage of gas in planned position.

EFFECT: simplified construction of building berth while providing for high precision of manufacturing of collector for drainage or injection of gas.

4 cl, 4 dwg

Up!