FIELD: heating equipment, in particular, heating systems of buildings operating on hot water, water vapor and other heat-transfer agents.
SUBSTANCE: the heating appliance is made in the form of a section with duct for the heat-transfer agent, formed by ribbed members, each ribbed member represents a plate, one of the plates is made at least with three stepped bulges in the form of pipe connections, whose wider part adjoins the plate, and the ducts for the heat-transfer agent are formed by pipe connections of the adjacent ribbed members inserted in one another, the heating appliance is provided with covers, one of which is connected to the first ribbed member, at the other to the last ribbed member of the section with formatting of mixing chambers, the inlet cover in the direction of flow of the heat-transfer agent is provided with inlet and outlet pipe connections, besides, the inlet pipe connection of the inlet cover is installed with a clearance of 0.9 to 1.3 mm relative to the beginning of the duct for inlet of the heat-transfer agent.
EFFECT: enhanced convective heat exchange of the heat-transfer agent, reduced cost of manufacture, simplified process of assembly.
The invention relates to heating systems, namely to the Central heating systems of buildings, working on hot water, water vapour and other fluids.
Known sectional cast-iron heating device with tubular elements of the heat carrier, finned and holes for connection between them. (See AS the USSR # 214060, CL F28F 3/12, 1968)
The disadvantage of this design is the large metal consumption per unit of heat-emission surface of the device, the complexity of the installation, it requires precise machining machining for the formation of the internal threaded connection of the sections.
The closest in technical essence and the achieved effect and is selected as the closest analogue is the heating device containing interconnected sections of two finned tubular elements each connected to the heating system. When this tubular elements in each section and interconnected by means of adapters, each of which is made in the form of a hollow housing with the screw holes. (See RF patent №2042891, Appl. 1991.11.20, publ. 1995.08.27, CL F24 9/14, F28F 9/26 "Heater").
However, the known technical solution on the one hand contains elements made of grey cast iron by casting, which requires considerable costs ex what is high intensity, on the other hand it contains two channels for the movement of the fluid in which the velocity of the fluid at the entrance and inside the same, which entails reducing the heat transfer fluid.
The present invention is to increase the heat transfer fluid, reducing the cost of manufacture, simplifying the build process.
The technical result that allows to solve the problem is to optimize the design of finned members, which are manufactured by stamping plates, one of the planes which made at least three stepped ledges in the form of nozzles, a wide portion which is adjacent to the plate, and the coolant channels are formed is inserted into each other nozzles adjacent fin elements.
This object is achieved in that in the known heating device in the form of a section with the coolant channels formed by finned elements according to the invention, each of the fin elements is a plate, one of the planes which made at least three stepped ledges in the form of nozzles, a wide portion which is adjacent to the plate, and the coolant channels are formed is inserted into each other nozzles adjacent fin elements.
Heating arr is R can be fitted with lids, one of which is connected with the first, and the other with the last finned element section with the formation of the mixing chambers, and the input in the course of heat carrier cover can be provided with inlet and outlet pipes.
The heating device can be provided with an inlet cone inlet cover set with a gap of 0.9-1.3 mm, relative to the beginning of the entry channel of the carrier.
Studies on patent and scientific and technical information sources indicate that the proposed heating device is unknown and should not be explicitly studied the prior art, and therefore, meets the criteria of "novelty" and "inventive step".
We offer heating device can be manufactured in any enterprise, specializing in the industry, since it requires the known materials and standard equipment, widely produced by domestic and foreign industry.
Thus, the inventive heating device meets the criterion of "industrial applicability".
We offer a set of essential features reports claimed heating device new properties that allow you to solve the problem, namely, the increase of heat transfer, reducing the cost of manufacture, simplifying the build process.The implementation of fin elements in the form of plates, one of the planes which made at least three stepped ledges in the form of nozzles, a wide portion which is adjacent to the plate, allows you to quickly and easily assemble the sections of the heating device, and enables automation of the entire process of manufacture of stamped parts. In addition, this form of finned elements increases the heat exchange surface and increases the heat transfer fluid. The presence of pipes stepped form allows the build process section immediately receive channels for the movement of the carrier without the use of additional tubular elements, which also reduces the intensity and simplify the manufacturing process.
The presence of caps, one of which is connected with the first, and the other with the last finned element section with the formation of the mixing chambers, increases the path of flow, and thus increases the heat transfer fluid.
Setting input pipe input cap with a gap of 0.9-1.3 mm, relative to the beginning of the entry channel of the heat carrier allows you to create a turbulent movement of the fluid in the inlet mixing chamber, which leads to the purification chamber from contamination and improves the conditions of the heating device.
Thus, the scoop is Prosti essential features of the proposed heater allows you to solve the problem, to increase the heat transfer fluid, to reduce manufacturing costs, simplify the build process.
The invention is illustrated by drawings. 1 shows a General view of the heater with protective grille and partial digs, figure 2 is a top view of the heating device with the lattice in figure 3 - place a figure 1.
The heating device includes section 1 with the coolant channels formed finned elements 2, which are plates, one of the planes made at least three stepped projections 3 in the form of nozzles, a wide portion which is adjacent to the plate, and 4 channels for the coolant is formed is inserted into each other nozzles adjacent fin elements. The heating device may be provided with a lid 5, 6, one of which is connected with the first, the other with the last finned element section 1 with the formation of the mixing chambers 7, the input along the coolant cap 5 provided with the inlet 8 and outlet 9 nozzles. The heater inlet pipe 8 to the input of the cover 5 can be installed with a clearance of 10 (range 0.9-1.3 mm) relative to the beginning of the entry channel of the coolant. The heating device may be provided with a protective grille 11.
The heating device is used as follows.
The coolant is fed through the first choice of the channel 4 as the movement it gives its heat through the finned elements 2 into the surrounding space, then passes through the second and third channels 4, while continuing to give heat, and is output. In the case of caps 5, 6 with the formation of the mixing chambers 7 coolant through inlet pipe 8 serves in the first channel 4, with a portion of the coolant gets to the second channel 4 and the mixing chamber 7, then the fluid enters the mixing chamber formed by the cover 6 and the last fin element 2, where he continues to give warmth and loses speed, then the fluid passes through the third channel 4 output through pipe 9 outside of the heating device.
When installing the inlet pipe 8 with a gap 10 in the mixing chamber due to the presence of turbulent motion is self-cleaning mixing chamber from contamination.
The heating device in the form of a section with the coolant channels formed by the fin elements, each of the fin elements is a plate, and one of the planes made at least three stepped ledges in the form of nozzles, a wide portion which is adjacent to the plate, and the coolant channels are formed is inserted into each other nozzles adjacent fin elements, characterized in, Thu the heater is equipped with lids one of which is connected with the first, and the other with the last finned element section with the formation of the mixing chambers, and the input along the coolant cap is provided with inlet and outlet nozzles, in addition, inlet pipe inlet cover is installed with a gap of 0.9-1.3 mm, relative to the beginning of the entry channel of the carrier.
FIELD: heat power engineering.
SUBSTANCE: device comprises sealing member made of Z-shaped metallic wire grids. The bends of the member are arranged at the sites of diverging and converging of the space between the tube bank and casing of the heat exchanger.
EFFECT: enhanced efficiency.
FIELD: heat exchange apparatus; chemical industry and power engineering.
SUBSTANCE: proposed heat exchange header has body and distributor secured in it and made in form of honeycomb with cells containing one raw of electric rollers secured between bounding grates located at distance exceeding five ball diameters. Provision is made for automatic adjustment relative to external change of flow velocity with no consumption of energy for control and no consumption of liquid in case of change in inlet pressure.
EFFECT: enhanced efficiency.
FIELD: tubes sheets for chemical reactors or heat exchangers.
SUBSTANCE: proposed tube sheet has first and second perforated parts which are made separately and are complementary relative to each other; parts are connected by means of many bolts inserted in respective holes of first and second perforated parts for mechanical connection and forming of tube sheet. Tube sheet for chemical reactors or heat exchangers has first and second perforated parts connected by welding of bolt heads. Tube sheet of chemical reactor or heat exchanger has first and second perforated parts connected by means of many bolts inserted in special holes in first and second perforated parts which are welded together by means of additional welded joints. Tube sheet for chemical reactor or heat exchanger has first and second half-round parts which are connected mechanically. First half-round part has projection and second half-round part has recess for forming connection of these parts.
EFFECT: facilitated procedure of manufacture of tube sheets; low cost.
9 cl, 2 dwg
FIELD: lining apparatuses for plate type heat exchanger, plate type heat exchanger and method for making heat exchanger having pack of heat exchanging plates and end plate.
SUBSTANCE: lining apparatus is designed for heat exchanger including pack of heat exchanging plates and end plate. Said end plate has outer side and inner side turned to pack of plate and at least one opening. In said opening lining apparatus is mounted. Lining apparatus includes first portion made of metal sheet and having, practically cylindrical part of tube and butt zone, and second portion made of metal sheet and having, practically cylindrical part of tube and butt zone. Part of tube of first portion is designed for introducing to said opening. Thickness of material of first portion exceeds that of material of second portion at least in overlap zone. Plate type heat exchanger includes pack of heat exchanging plates and end plate. The last has outer side and inner side turned to pack of plate and at least one opening. Lining apparatus is mounted in said opening. Method for making heat exchanger including pack of heat exchanging plates and end plate. The last has outer side and inner side turned to pack of plate and at least one opening. Method comprises steps of providing first portion and second portion; introducing part of tube of second portion into part of tube of first portion in such a way that to create region where tube portions are mutually overlapped. In said region thickness of material of first portion exceeds that of material of second portion. Part of tube of second portion is joined with part of tube of first portion by means of welded joint.
EFFECT: improved design, enhanced quality of lining apparatus for plate type heat exchanger, simplified process for making lining.
13 cl, 3 dwg
FIELD: heat-exchangers, particularly submersible ones.
SUBSTANCE: heat-exchanger comprises body perforated with orifices located at cylindrical inlet chamber height, tube plate, tube bundle arranged so that coolant is directed transversely to the tube bundle. Heat exchanger also has displacers and spacing grid. Hexahedral collector is formed on tube bundle at inlet chamber height so that the collector is coaxial to the body. The hexahedral collector perimeter is free of tubes. Radial channels extend from collector corners to tube bindle perimeter. The radial channels are also free from tubes. Displacers are installed in spacing grid below inlet chamber.
EFFECT: possibility of uniform coolant flow over each heat-exchanging tube, provision of equal temperature characteristics at each tube outlet and reduced vibration of tubes in tube bundle.
FIELD: engine engineering.
SUBSTANCE: radiator section comprises sectional collectors made of heads (branch pipes) and lids, tube bank with flat-oval tubes that are set and soldered into the openings of the tube boxes with a stannic-lead solder, finned plates soldered to the flat-oval tubes with a stannic-lead solder, top and bottom tube boxes whose outer edges are flanged toward the collectors according to the shape and the sizes of the cross-section of the tube bank, and temperature deformation compensators.
EFFECT: simplified structure.
FIELD: engine engineering.
SUBSTANCE: radiator section comprises bank of flat-oval tubes that are set and soldered into the openings of the top and bottom tube boxes, finned plates, and collectors. The ends of the flat-oval tubes diverge outward. The tube boxes are provided with openings with flanges mating to the outwardly diverging ends of the flat-oval tubes. The tubes are soldered to the tube boxes. According to the other version, the tube boxes are sectional and made of main tube boxes with the openings and hollows arranged over periphery or along the boxes and spacing shaped bushings. The ends of the tubes are soldered to the spacing shaped bushings with a zinc solder.
EFFECT: enhanced reliability and efficiency.
2 cl, 5 dwg
FIELD: boiler manufacture for protection against rubbing-out at combustion in boilers of coals containing abrasive ashes.
SUBSTANCE: the ash-protective probe for tubes of the heat-transfer tube bunch has for each tube of the tube bunch a stabilization section and a butt-joining section, whose shape is similar to the shape of the tube bunch, differing by the fact that the stabilization section for each tube of the bunch is provided with an inlet cellular component, whose walls are joined to the walls of the adjacent inlet cellular components adjoining them and has a transient section, and the butt-joining section is installed in the tube of the bunch, besides, the walls joined to the walls of the adjacent cellular components have a welded attachment in the points of butt-joining.
EFFECT: enhanced adaptability to mounting and maintainability whenever it is necessary to replace the ash-protective probe and bunch tubes.
FIELD: applicable in heat exchangers.
SUBSTANCE: the method for positioning of the fitting relative to the heat exchanger manifold consists in provision of a manifold with a wall having a through hole, provision of a fitting having a base, pipe connection projecting from the base and having an inner surface, and an opening passing through the base for provision of access to the inner surface; insert of the pipe connection in the hole from one side of the wall so that the fitting base would be on one side of the wall, and the pipe union part would be on the other side of the wall; deformation of the inner surface of the pipe connection with the aid of a tool for deformation inserted through the mentioned opening in the mentioned base for expansion of the mentioned part of the pipe connection to a shape which prevents withdrawal of the mentioned pipe connection from the mentioned hole. The fitting/manifold attachment of a heat exchanger includes: a manifold having a wall having a thickness and a hole passing through the thickness from the outer surface of the manifold to its inner part; a hole having a preliminary shape; and a fitting having a base and a pipe connection projecting from the base that can be deformed; a pipe connection having an outer surface, inner surface and a part projecting from the base to a distance exceeding the mentioned thickness of the mentioned wall; the pipe connection is deformed from the first shape to the second shape; in the first shape the outer surface of the pipe union corresponds to the preliminary shape of the hole for provision of a free insertion of the pipe connection into the hole with the part passing through the wall to the inner part of the manifold; in the second shape the mentioned part is increased so as to keep the pipe connection in the hole; the fitting has an opening passing through the base for provision of access to the inner surface of the pipe connection with the aid of a tool for deformation inserted through the opening for deformation of the pipe connection from the first shape to the second shape.
EFFECT: improved fitting/manifold attachment for a heat exchanger.
9 cl, 16 dwg
FIELD: mechanical engineering, particularly support metal structures used in air cooling plants.
SUBSTANCE: support structure comprises rod-like post members and cross-bars. The cross-bars form horizontal grid-like structure with three longitudinal and transversal belts creating support parts for heat-exchanging sections of gas air-cooling plant supporting. The grid-like structure also creates chambers for fans installation. The fans are mounted on support plates suspended by rigid braces forming four-disc three-dimensional system. The posts include posts of two kinds, namely intermediate and corner ones. Intermediate posts are flat V-shaped. Corner posts are three-dimensional and consist of vertical branches and two inclined branches adjoining lower part of vertical branch. The inclined branches are arranged in two mutually perpendicular planes. Intermediate post and corresponding parts of longitudinal belt form triangle so that distance between post branch ends corresponds to distance between adjacent support plates of chamber for fan installation. Angle between inclined and vertical branches of corner post is determined from a given relation.
EFFECT: reduced material consumption and labor inputs for support structure and support structure components erection.
8 cl, 3 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: the invention is assigned for application in heat-exchange apparatus in particular in chemical and other industries specifically for heat treatment of bulk material.
SUBSTANCE: heat-exchange apparatus has housing, heat-exchange pipes arranged vertically and fixed in pipe grates. Heat-exchange apparatus is provided with discharge arrangement placed under lower pipe grate and composed of fixed and moving plates which have hollow holes corresponding to hollow holes in the lower tubular grate. At that the fixed plate is joined without gap with lower pipe grate and moving plate is installed with possibility to make back-and-forth motion in horizontal plane overlapping size of holes. Moreover the moving plate is installed on vertical flat rings.
EFFECT: allows to expand technological possibilities of using vertical housing tube heat-exchange apparatus for realization of heat-exchange between solid bulk material and liquid or gaseous heat-carrying agent, intensifies heat-exchange and give possibility to regulate this process.
2 cl, 3 dwg
FIELD: power engineering.
SUBSTANCE: device has upper and lower pipe-shaped collectors, made of aluminum profile, connected to row of vertical ribbed aluminum recorder pipes via short pipe elements, hermetically fixed on one side by press mounting in recorder pipes, placed between pipe element end projecting into hollow of collector and its input into collector aperture, while each pipe element is made in form of barrel, having conical and cylindrical portions, on outer surfaces of which at least one ring-shaped recess is made, in place of transfer of cylindrical portion to conic portion a special piece is made, placed between end of recorder pipe and collector, and compacting element is made in form of transfer cone pressed into edge of input aperture of transfer cone collector, mated with flat ring-shaped surface of special piece and cylindrical surface of barrel, projecting end of which is made open by access from the side of conic portion of barrel. Upper and lower collectors in places of barrels connection have longitudinal flat portions, thickness of which is greater than thickness of walls of round section, and ribbing of each aluminum pipe of recorder is made in form of longitudinal radial plates, placed symmetrically relatively to pipe axis, and face and back surfaces of ribbing form with at least two plates adjacent to them closed air channels, connected to atmosphere at level of upper and lower collectors. Method for mounting recorder pipe in aperture of pipe collector of heating convective radiator is realized by intermediate element, having conic surfaces, by outputting end of intermediate element inside the collector and its resilient depression, while intermediate element is made in form of barrel, having conical and cylindrical portions, inner channel of barrel in zone of outlet of its end into collector hollow is made steeply narrowing, plastic depression is performed by pushing working piston through inner channel of branch pipe on the side of its conical portion until piston falls out into collector hollow, and is then removed.
EFFECT: higher durability and manufacturability.
8 cl, 7 dwg
FIELD: the invention is meant for heat-exchanging and may be used in compact heat-exchangers made of pipes and a housing which are applied at flying vehicles.
SUBSTANCE: the limiter of flow-over of the heat-carrying agent between pipes and the housing in the heat-exchanging apparatus is fulfilled in the form of radial bulkheads installed in parallel to the axis of the housing. The limiter has elements in the form of balls located between the housing, pipes and radial bulkheads, the diameter of elements exceeds the magnitude of gaps between pipes. At that mentioned elements are fulfilled out of polymeric materials.
EFFECT: the invention allows to improve heat-exchanging.
FIELD: placement in structural members of heat-exchange apparatuses.
SUBSTANCE: the spacer plate has a rim with rows of strips made with deepened in the form of circumferences, the dimensions of the circumferences of the arcs of deepenings are made variable with a increase from the periphery to the center of the heat-exchange apparatus.
EFFECT: uniform distribution of flow of the heat-transfer agent in the cross section of the heat-transfer apparatus.
2 cl, 3 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: heat-exchanging equipment production, particularly for power machinery building.
SUBSTANCE: building cradle comprises system including members with support-and-guiding surfaces adapted to temporarily receive support panel for fan engine installation, wherein the support panel is temporarily secured to above support-and-guiding surfaces. The support-and-guiding surfaces are also used to receive support plates to fasten tension bar ends and connection plates arranged between the support plates. Building cradle member for support panel receiving define a circle in plane and has at least one horizontal support-and-guiding surface. Building cradle members for support and connection plates are mainly formed as prisms having trapezoid cross-sections with at least outer inclined face forming support-and-guiding surface to receive support and connection plates of central support member for fan engine installation.
EFFECT: increased manufacturability of gas air-cooling plant production, simplified assemblage, reduced costs and increased reliability and service life of structure to be produced.
10 cl, 6 dwg