Heat exchange in general (F28)

F28            Heat exchange in general(9487)

Heat exchanger and machine provided with such heat exchanger // 2614307
FIELD: heating.SUBSTANCE: heat exchanger comprising: a central portion having a plurality of channels for a fluid and a tank, open on one side and formed by a top wall, opposing parallel walls and end walls, an open tank side adapted for welding to the end surface of the central portion of the heat exchanger at the inner side end of the side walls of the tank, is welded to the central portion of the heat exchanger formed by a smooth arc surface protruding inwardly of the tank. Furthermore, the invention also relates to the machine having a heat exchanger.EFFECT: increasing filter efficiency.6 cl, 3 dwg

Heat exchanger // 2614304
FIELD: heating.SUBSTANCE: heat exchanger comprises a housing with inlet and outlet nozzles for one medium, two concentrically disposed hollow rotors placed in the housing, an inlet and an outlet manifolds for another medium, made in the form of truncated cones plugged at one end and provided with openings on side surface, an inner rotor is made screw and assembled of guide elements made in the form of three rectangular strips with overlaps, alternately bent in opposite directions at an angle of 140° by cuts made at an angle of 60° to each other and to the longitudinal edges of the strips. Rectangular shape overlaps are formed along the internal screw rotor perimeter, they are arranged in series with gaps one after another on zigzag screw lines of base line, and the outer rotor is made screw in the form of a hollow screw surface with external overlap in the form of screw blades along its entire length, and is made of three or more rectangular strips of equal width and length, of a concave or convex shape relative to screw surface axis, folded in a vertical plane in the longitudinal direction and folded along screw lines in the transverse direction on a cylindrical mandrel and interconnected to form overlaps along the screw surface perimeter, made as screw blades on their entire length, and screw lines and screw curved surfaces relative to the screw surface axis with centers of curvature disposed outside or inside the screw surface cross section, and with helical grooves, wherein a helical spring with flat coil section is mounted in the space between the housing and the outer screw rotor, which is made with adjusting pitch change by its extension or compression.EFFECT: enchanced technological capabilities and intensified heat transfer.25 dwg

Shell-and-tube heat exchanger // 2614266
FIELD: heating.SUBSTANCE: shell-and-tube heat exchanger contains a housing with the built-in heat exchange surface in the form of straight-tube bundle with a movable bottom tune grid with the collector, pipes for input and output of gas-liquid coolants, disposed on the housing. Straight-tube bundle contains a central tube, having an outer ring cavity, closed at the bottom. The upper part of the straight-tube bundle pipes on the condensing side is limited by the partition-apron with a pipe for discharging the non-condensed gas outside the device housing.EFFECT: increase of the heat exchanger operation reliability.2 cl, 1 dwg

Device of indirect evaporative cooling of compressed gas at compressor gas pipeline station // 2613791
FIELD: heating.SUBSTANCE: device of air indirect evaporative cooling of the compressed gas comprises an outer dry channel and an inner vertical cylinder - wet channel. The internal wet side of the channel is covered by a hydrophobic capillary-porous surface. Above the upper part of the inner cylinder movable venturi tube is installed, which is provided with a wind vane. On the Venturi tube axis wind power plant with a wind wheel and an electric generator is installed. The housing is surrounded by a venturi tube fixed annular air nozzle, attached to the inner cylinder installation, inside which the top of the coil heat transfer surface of the gas cooler is installed. Coil bottom of the heat exchange surface is placed between the outlet of the inner cylinder and the inlet of the outer upright cylinder. Conduit heated gas, heated in the plenum, is connected to the upper surface of the heat exchange coil gas cooler, and the cooled gas piping is connected to the heat exchange coil bottom surface of the gas cooler.EFFECT: use of the invention allows to product the electricity in the device of indirect evaporative cooling.3 dwg
Exhaust tower of cooling tower // 2613692
FIELD: power engineering.SUBSTANCE: invention relates to heat engineering and can be used in construction of cooling towers of the tower type. Exhaust tower of a cooling tower comprises a reinforced concrete hyperbolic shell with cross sections in the form of a Reuleaux triangle, which is a constant-width figure. Exhaust tower of a cooling tower is installed in plane with one of the shell angles opposite to the windrose main vector direction.EFFECT: invention allows to enhance resistance, rigidity and the degree of streamlining by wind air flows of the cooling tower exhaust tower structure.1 cl, 3 dwg
Plate-type heat exchanger // 2612880
FIELD: heating.SUBSTANCE: invention relates to a plate-type heat exchanger with folded plates having recesses forming contact surfaces between the plates. To obtain optimal balance between strength and flow condition, recesses are arranged as a matrix structure with a distance X1 between the centers of recesses in adjacent rows and a distance X2 between the centers of recesses in adjacent columns, wherein recesses with a circumference of C, and C/X1 is in the range of 1.03 to 2.3.EFFECT: increased intensification of heat exchange.19 cl, 24 dwg

Installation for obtaining water condensate from air and method for concentrating impurities from air, carried out on installation // 2612719
FIELD: chemistry.SUBSTANCE: device comprises a concentrator 1, immersed in a Dewar vessel 5 containing liquid nitrogen 8. The concentrator 1 is formed as a tube with the crane 2, with the inlet 3 for air intake, with the container 6 for liquid air condensation, with water condensate receiver 7, with the insulating gasket 4. Wherein the concentrator 1 is installed in the Dewar vessel 5 through an opening in the insulating gasket 4 so that the tank 6 for liquid air condensation is immersed in liquid nitrogen 8. Obtaining water condensate from the air is carried out by means of the installation. The water condensate is obtained from the air via the air intake and its condensation under cooling with liquid nitrogen. The liquid air is vapourised until the frozen water condensate is obtained. Melting frozen water condensate is carried out. An extractant in a dispersant is introduced into the water condensate, and the microextraction of impurities from the water condensate is performed. The extract emulsion formed in the water condensate is separated by its centrifugation to obtain an extract phase. The factor Fextr of the impurity concentration from the water condensate to the extract and the integral factor Fint of the concentration of impurities from the air in the extract are determined. The extract phases are sampled, and the obtained extract is analyzed. The factor Fextr of the impurities concentration from the water condensate into the extract is obtained according to the formula: Fextr=1/(D-1+Ve/Vwat, where D is the impurities distribution coefficient in the water-extractant system, Ve - the volume of the extractant phase, Vwat - the amount of water condensate. The calculation of the integral factor Fint of the impurities concentration from the air into the extract is carried by the formula: Fint=Fwcond⋅Fextr, where Fint is the integral factor of the impurities concentration from air to the extract, Fwcond - the factor of concentration from the air into the water condensate, Fextr - the factor of impurities concentration from the water condensate to the extract. The necessary amount of liquid air V lair to obtain the necessary amount of the water condensate is pre-determined according to the formula: Vlair= (Vwat⋅ρwat) / (F⋅ρlair), where V lair is the volume of liquid air; Vwat is the amount of water condensate, necessary for performing the extraction / microextraction; ρwat - the water density at the extraction temperature; F - the content of atmospheric moisture (in weight units) per unit weight of the sampled air; ρlair is the liquid air density at the temperature of performing the air condensation. Obtaining liquid air by condensing it in a container for liquid air condensation, the evapouration of the condensed liquid air in the liquid air condensation tank, and the extraction of the water condensate from the water condensate receiver are performed additionally. The concentrations of substances detected in the air are calculated by the formula: Cair=Cextr/Fint, Cair is the concentration of the analyte in the sample air (wt %), Cextr - concentration of the analyte in the extract (wt %), Fint - the integral factor of the impurities concentration from the air into the extract.EFFECT: increased sensitivity of the analysis, reducing the limits of the impurities detection in the air.10 cl, 3 dwg, 1 tbl

Summer head for cooling tower // 2612678
FIELD: power industry.SUBSTANCE: summer head for cooling tower contains a solid vertical barrier of H height, attached to the vertical supports, located along the perimeter of the cooling tower neck attached with the lower end to the upper neck stiffness ring and connected to each other at a height h reference area, on which water steam trap is laid which is assembled of sections, each of which consists of a inclined fence at an angle α, which is larger than a water slope angle, trays in which without touching the bottom and walls vapour plates are omitted which are made of a hydrophilic material or coated with it, perforated with conical holes, at that, the large holes of the plate conical holes are faced down, the plates along their length are inclined towards the fence at an angle α, and inclined at an angle equal to 45° directed towards a ventilator vane wheel rotation height along.EFFECT: increased economic and environmental efficiency of the head.7 dwg
Air-to-air heat exchanger // 2612668
FIELD: physics, instrumentation.SUBSTANCE: invention refers to heat exchangers and may be used in particular in the field of aircraft engine engineering for air and turbine gas cooling systems. The air-to-air heat exchanger is annular, consists of several heat exchanging modules installed at an angle to the air flow direction, and representing a structure made of several tubes. Each of the heat exchange modules has the form of several pairs of U-shaped concentric oval tubes assembled integrally. The large axis of oval tubes is directed along the outer air flow and the ratio of large and small oval axes is the range of 1:5-1:100. U-shaped oval tubes are provided with air flow intensifiers in the form of outer and inner tube surface ribs system.EFFECT: invention allows to increase the efficiency of heat exchange while maintaining the level of hydraulic losses in the inner and outer circuit and to reduce vibration pulsation of air (gas) of the outer circuit.4 cl, 2 dwg

Device for preventing deposit formation in heat exchanger // 2612540
FIELD: heating.SUBSTANCE: device for preventing deposit formation in a heat exchanger comprises a device receiving signals from a temperature sensor mounted on the outlet pipe line of the heat exchanger second stage, a control device which determines operation of a mechanical oscillation unit and a unit that impacts on the heat-carrying medium. Unit that impacts on the heat-carrying medium is mounted on the outlet pipe line of the heat exchanger first stage comprises a housing with a passage opening for the heat-carrying medium passage. Sleeve of insulating material is rigidly connected to the housing. Two solenoid windings are fixed on the sleeve. Each winding is equipped with a current sensor. There is a hollow rod inside the insulating sleeve. Rod consists of two parts: a ferromagnetic and a diamagnetic. Rod has ability to move horizontally under the impact of electromagnetic winding fields inside the sleeve in opposite directions so that the diamagnetic rod part opened or overlapped the through opening of the housing.EFFECT: reduction of generated capacity and reduction of windings heating.2 dwg

Wasteheat exchanger with boiling bed // 2612485
FIELD: heating.SUBSTANCE: wasteheat exchanger with boiling bed contains a metal housing, a separator, water dispenser, nozzles, a movable nozzle of the hollow plastic balls, tray and support grid, wherein the guide unit and the float valve is additionally installed in the housing, and there is the vibrator at the support grid, and each of the nozzles consists of a body with a screw, coaxially arranged in the lower part of the body, and the fitting with a cylindrical hole for fluid supply located in the upper part of the body, connected to the diffuser, axisymmetric to the body and fitting, the screw is pressed into the body to form a conical chamber, located above the screw, coaxially to the diffusor and connected with it in series, at that the screw is made blind, and the outer surface of the screw consists of two series-connected surfaces, one of which represents at least a single-lead helical groove with the right or left-thread and located inside the body, and the second surface is made smooth as a rotation body, connected axially-symmetrically to the spray disk, disposed perpendicular to the axis of the body, and protrudes over the end face of the lower part of the body, wherein the line forming this surface may be either a straight line or curve line of n-power, and the spray disc surface, protruding over the end face of the lower part of the body is formed bent toward the lower part of the body and has the radial slots at the peripheral part, alternating with the blind part of the spray disc surface. The shape of movable nozzle is made in the form of cylindrical ring, on the side, inner and outer surfaces of which there is the screw thread, made in the opposite directions, or in the form of a ball, on the surface of which there are non-through holes of hemispherical shape, or in the form of a ring, on the outer surface of which the helical surface is made in the form of a plate screw, or in the form of at least a three-bladed propeller.EFFECT: increase of the dedusting process efficiency and reliability by increasing the liquid spray degree by the nozzles.6 dwg

Heat radiating element and its fabrication method // 2612469
FIELD: heating.SUBSTANCE: method contains arrangement of the grid on the base, made from the first metallic material, and forming the heat radiating cell on the base surface, either by spraying the granular particles, obtained from the second metallic material, the oxide of which has a reflection factor 70% or more, different from the first metallic material, and the particles from the second metal material oxide, either by deposition of metal particles, made from the second metallic material, and their oxidation, at that the formation is carried out so, that the cell contact area with the base is 1 mm2 and less, after which the grid is removed. According to one more embodiment, the method includes forming of the heat radiating cell on the base surface by arc-ion deposition of metal particles, made from the second metallic material, with their distribution over the surface of the base material by applying the shift voltage, and subsequent oxidation of applied metal particles, at that the formation is carried out so, that the cell contact area with the base is 1 mm2 and less.EFFECT: increase of reliability and strength of the heat-radiating elements over a wide temperature range.3 cl, 3 ex, 3 tbl, 10 dwg

ethod for processing fluids and device to this end // 2612290
FIELD: technological processes.SUBSTANCE: method of processing fluids comprises the following steps: at first the initial liquid is supplied to the vortex steam generator where it is subjected to forced vortex rotation, whereby steam is separated from the central part of the rotating fluids, then the steam is supplied into the central part of the vortex steam condenser, rotating it with whirlers, wherein a jet of condensate from the receiving container is supplied together with the steam to the said central part of the steam condenser which decomposes under the rotating steam mass settling on the walls of the vortex steam condenser, thereafter the processed fluid is put into the receiving container and a part of it is get back to the central part of the vortex steam condenser. The processing fluids device comprises a steam generator, a source of raw fluid, a tank receiving processed fluid; the device is provided with a steam condenser connected to the steam generator, while the steam generator is designed as a reaction chamber equipped with a rotor having a rotary drive, the rotor has turbine blades, in the upper part of the chamber there are curved channels to twist flows, and the steam condensate connected to the steam generator has swirlers of steam flow and a pipe for supplying condensation to the condensation chamber with a cooling jacket.EFFECT: invention provides cleaning of large masses of water on centralized water supply stations with low capital and operating costs.2 cl, 1 tbl, 5 dwg

Vibrations damping device in heat exchanger with internal heat exchange elements // 2612242
FIELD: heat exchange.SUBSTANCE: invention relates to heat engineering and can be used on liquefied gas transportation floating plants. Disclosed is one embodiment of heat exchanger containing: (a) inner volume limited by heat exchanger housing limits; (b) plurality of spaced heat exchange elements arranged in said heat exchanger housing inner volume, and (c) fluid medium oscillations dampers arranged within inner volume to isolate plurality of spaced heat exchange elements, in which each heat exchange element is partially immersed into liquid fluid medium in shell side, in which fluid medium oscillations dampers allow liquid fluid medium limited distribution in shell side between each heat exchange element, in fluid medium oscillations dampers can withstand cryogenic temperatures, in which fluid medium oscillations dampers can resist and deflect liquid medium flow in shell side between each heat exchange element.EFFECT: disclosed are devices and methods of fluid medium oscillations suppression in cabinet heat exchanger with internal heat-exchange elements.14 cl, 6 dwg

Fluid heater unit // 2612239
FIELD: heating.SUBSTANCE: fluid heater unit consists of a housing 1, helical surface 2, axis of helical surface 3, brackets 4 and 5, supply pipeline 6, discharging pipeline 7, inlet tap 8, output tap 9.EFFECT: efficiency increase of the heat exchange by passing the heated material within the housing along a helical surface.3 dwg

Convection area of furnace for cracking // 2611008
FIELD: physics.SUBSTANCE: invention relates to a process of hydrocarbons production by means of thermal decomposition of the hydrocarbon containing feed material for the cracking furnace. At that the cracking furnace has its radiation zone and convection zone, wherein the thermal cracking of a hydrocarbon feed material is carried out in the radiation zone, and the flue gas of the emission zone in the convection zone is used as a heating medium to preheat various feed materials, hydrocarbon feed material is preheated, and / or it is converted into steam by the heat exchanger, disposed in the convection zone, and boiler feed water through at least one heat exchanger, disposed in the convection zone, is preheated and / or is converted into steam. The method is characterized by, that regardless the aggregative state of hydrocarbon containing feed material, the flue gas temperature at the outlet from the convection zone varies in the range from 30°C and is less than 150°C, and the streams process conditions in the heat exchangers convection zone are controlled so, that the gaseous hydrocarbon containing feed material almost 100% of the total heat transfer area of the heat exchangers, involved in the heat exchange with the flue gas in the convection zone, while with liquid hydrocarbon containing feed material in the heat exchange process with flue gas, involves only predetermined proportion from 100% of the surface area of the heat exchanger in the convection zone of heat, which is not used for preheating and / or steam conversion of hydrocarbon containing feed material. At least one heat exchanger for heating and / or conversion of the boiler feed water into steam, which, when the gaseous hydrocarbon containing feed material is flowed about by the feed water of the boiler, when the liquid hydrocarbon containing feed material is not flowed about by the feed water of the boiler, in particular, it is shunted or bypassed by the bypass regulation, and wherein at least one heat exchanger with at least one another heat exchanger, located in the convection zone, can be connected in series along the flow, while in a liquid hydrocarbon containing feed material, the boiler feedwater is passed to bypass at least one coolant, and only at least one subsequent another coolant is flowed about for the heating and / or conversion into steam by the boiler feed water, and when the gaseous hydrocarbon containing feed material, first of all at least one coolant, and then at least one another coolant are flowed about by the boiler feed water for the heating and / or conversion into steam of the boiler feed water, at that, the heat exchanger for heating and / or conversion into steam the hydrocarbon containing feed material is located at a colder end of convection zone, and at least one heat exchanger for heating and / or conversion of the boiler feed water into steam is located at higher temperature zone of the flue gas.EFFECT: invention allows to optimize the furnace operation and optimize the overall thermal efficiency for the changing hydrocarbon feed materials.5 cl, 6 dwg

Camera of product distribution, which has air cooler with tubular internal cavity and square outdoor geometry // 2610972
FIELD: heating, ventilation.SUBSTANCE: invention relates to a heating power system, especially, the air cooler heat transfer and cooling towers of dry type, and can be used in oil refining, petrochemical, gas production, gas processing, power generation and other industries. The invention consists of the fact, that the chamber of distributing the product with air coolers, which have tubular inner space and a rectangular exterior geometry, comprises a housing preferably in the form of a rectangular parallelepiped, and has front and rear faces, executed in parallel flat chamber interior, made in the form of parallel cylindrical channels axis perpendicular to the axes of the openings for heat exchange tubes and caps, with holes parallel cylindrical channels located on the end face of the housing.EFFECT: invention reduces the complexity of the process, increasing the reliability of the distribution of air coolers camera.1 dwg
Refrigerator-emitter panel // 2610732
FIELD: heating; drying.SUBSTANCE: refrigerator-emitter panel contains the heat-emitting plate performed of a composite material and metal tubes, which are located between the heat-emitting plate and patches performed of the composite material, designed for a heat carrier. Each patch is connected to the plate and contains the area, the shape of which corresponds to the shape of the metal tube. Cylinder grooves with the metal tubes, which are designed for the heat carrier, located in them are made on the heat-emitting plate. The patches and the heat-emitting plate are performed of the carbon-carbon composite material. The heat-emitting plate has holes, which have strained carbon fibers with the thermal conductivity of 300 W/m⋅K, located between the tubes. The invention may be used in structures of satellites and power plants.EFFECT: decreasing of the weight of the refrigerator-emitter at the increasing of effective heat dump.6 cl, 3 dwg

Heat exchanging surface // 2610636
FIELD: energy.SUBSTANCE: invention relates to heat engineering and can be used in various heat exchangers. Heat exchanging surface, containing located in line or staggered order, in parallel rows main "separation-free" recesses, wherein in plane recesses are made diffuser shaped in heat carrier main flow movement direction with rounded internal corners, in plane of their meridian section recesses bottom part is formed by two smoothly connecting to each other inlet and outlet sections, inlet section has shape of diffuser and connected by rounding with recess inlet edge along its perimeter, converging shaped outlet section is connected by rounding with recess outlet edge along its perimeter. Besides, between main "separation-free" recesses differently shaped additional "separation-free" or "detached" recesses are arranged.EFFECT: technical result is reduction of heat exchanging device dimensions and increasing of cooling system efficiency.10 cl, 7 dwg

Fan cooling tower // 2610630
FIELD: power industry.SUBSTANCE: fan cooling tower includes a housing, a spraying device, a liquid collection tank and a fan, the casing consists of two parts - the upper part, including a sprinkler and a water-drop eliminator between which the manifold of the spraying device with solid-cone spray nozzles is located, and a lower part in which a water collection tank for collecting cooled water with a fan mounted on it is located. The housing is made from sheet stainless steel and the water collection tank has a diffuser which is a part of the housing and is connected with a fan, arranged with a plastic impeller and a multi-speed motor, allowing to change performance of the cooling tower during operation, depending on the weather conditions, by changes in air flow, and the sprinkler includes stacked in layers parallel tubular elements made of thermoplastic material with a lattice wall. The edges of the tubular elements are welded together, the tubular elements are made with a triangular cross-section, and between each layer of tubular elements across the tubular elements along each their end there is strip is laid from thermoplastic material, welded to tubular elements in areas of their contact with the strip. In process of welding end sections of tubular elements are fused, as well as end sections of strips laid between them, and solid end walls of the block are formed in process of fusing. Cavities of each tubular element and tube-to-tube space is filled with hollow polymer balls. Ball diameter÷ is 510% more than the maximum size of the cell of the lattice wall of the tubular elements and the spray nozzle comprises a hollow housing with a nozzle and the central core, the housing is designed with a duct for liquid supply and comprises a coaxial bushing rigidly connected with the housing with the nozzle fixed in the lower part of the bushing, the nozzle is designed as a cylindrical two-section bushing, which top cylindrical section is coupled by a threaded connection with a central cylindrical core having a through inner central hole and mounted with an annular space relative to the inner surface of the cylindrical bushing and the annular space is connected to at least three radial ducts made in the two-secttion busshing, they connect the duct with an annulus, formed by the inner surface of the bushing and the outer surface of the top cylindrical section. The annulus is connected with the duct of the housing for liquid supply, and at the bottom of the central cylindrical core a hollow conical swirler is fixed which conical shell is fixed by means of at least three spokes fixed with one end to the conical shell of the swirler at its upper part and with the other end - in an annular groove formed on the inner cylindrical surface of the central cylindrical core. On the outer surface of the hollow conical swirler a spiral slicing is made.EFFECT: improved performance of the cooling tower.4 dwg
Combined cooling tower with rational water recycling system // 2610629
FIELD: power industry.SUBSTANCE: combined cooling tower comprises a housing in the bottom of which a water-collecting bath is located designed in a shape of a housing of water-collecting panels, and above the bath an air intake device is installed, the device is esigned in a shape of louvres arranged in a perimeter of the housing, wherein an axial fan casing is installed in the top of the cooling tower housing, the casing is made of fiberglass and comprises a confuser located above a drip catcher coaxially to the cooling tower housing and rigidly connected thereto, and the confuser is coaxially connected to the cylindrical part, inside of which a fan impeller and a diffuser are located at a clearance, in the diffuser at least three adjustable extensions for installing the fan with built-in electric motor are located, wherein in the middle part of the cooling tower housing a water distribution system with the collectors of variable section and nozzles fixed on them are located, the nozzles spray water above a fill fixed in the housing by means of ribs, a water recycling system has separate hydraulic circuits for water treatment and consumption, wherein the bottom of the cooling tower housing have at least two tanks for water collection interconnected by the compensatory tube providing hydraulic independence of operating water treatment and consumption circuits, wherein one tank is connected with a pump which delivers cooled water in the cooling tower to a water user, which flows again through a valve on the pipeline to the second tank, from which the heated water is pumped through the filter and the valve is piped into the manifold with the nozzles placed in the upper part of the cooling tower housing, and in the area between the filter and the valve a hydraulic resistance filter control system is installed consisting of a pressure gauge and a valve, and each of the spraying nozzles includes a hollow housing with a nozzle and a central core, the housing is designed with a duct for liquid supply and comprises a coaxial bushing rigidly connected with the housing, in the lower part of the bushing a nozzle is fixed, the nozzle is designed in a shape of a cylindrical two-section bushing, the upper cylindrical section of which is coupled by a threaded connection with a central cylindrical core having a through inner central hole and mounted with an annular space relative to the inner surface of the cylindrical bushing and the annular space is connected to at least three radial ducts made in the two-section bushing connecting the space to an annulus formed by the inner surface of the bushing and the outer surface of cylindrical upper section, wherein the annulus is connected with the housing of the duct for liquid supply, and in the bottom part of the central cylindrical core a hollow conical swirler is fixed, a conical shell of the swirler is fixed by at least three spokes fixed at one end to the conical swirler in its upper part and at the other end in an annular groove located on the inner surface of the central cylindrical core. On the outer surface of the hollow conical swirler a screw thread is made.EFFECT: more efficient use of secondary energy resources by increasing the active area of the cooling tower without increasing draft loss.2 dwg

Cooling tower using surface cooling // 2610369
FIELD: energy.SUBSTANCE: invention relates to heat engineering and can be used for air-cooling of circulating water of CHP plants, NPPs and industrial enterprises. Cooling tower using surface cooling comprises a tower that is rectangular in its cross section and air windows in its lower part, mounted on water catching basin, in which the following elements are placed sequentially from top to bottom: water catcher, water distributing collector with water spraying nozzles, fill consisting several identical blocks. Upper edge of the tower has a pyramidal neck, fill blocks are cylindrical rings, made from hydrophilic material or coated with it, and arranged in checkerboard order, close to each other, on the support grid or arranged in a pile, there is a surface cooling unit above the water surface of the basing, its design is identical to the design of the fill blocks, its upper edge is located at the same level as the lower edges of air windows, wherein the diameters Dsc of the cylindrical rings of the surface cooling unit are less than the diameters Dfb of the cylindrical rings of the fill blocks, but larger than the minimum diameter Dscmin of the surface cooling unit rings when flooded.EFFECT: technical result is the increase of reliability and efficiency of cooling tower with surface cooling.1 cl, 5 dwg

Heat exchanger // 2608798
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines for the engine exhaust gas heat exchange or heat exchange of supercharging air fed into the engine. Heat exchanger (1), which includes housing (3) with casing (4) of the housing, first bottom (5) and second bottom with holes (6), pipes (7), first inlet hole (11) for the first fluid medium, the first outlet hole for the first fluid medium, second inlet hole (12) for the second fluid medium and the second outlet hole for the second fluid medium. Heat exchanger also has first diffuser (13) for directing the first fluid medium into pipes (7) and the second diffuser to discharge the first fluid medium from pipes (7). Pipes (7) form first flowing channel (9) for passage of the first fluid medium, in particular, exhaust gases. Ends of pipes (7) are located in or near holes (6) of the first and second bottoms (5). Pipes (7) and the first and/or second bottom (5) are located inside housing (3), so that between housing (3) and pipes (7) second flow channel (10) for passage of the second fluid medium, in particular cooling liquid, is formed. First and/or second diffuser (13) is formed integrally with housing (3) without additional structural elements. First diffuser (13) is closed by first cover (14). Second diffuser is closed by the second cover. First inlet hole (11) is formed in first cover (14). In first cover (14) with first inlet hole (11) there is first inlet branch pipe (15). First outlet hole is formed in the second cover. In the second cover with the first outlet hole there is the first outlet branch pipe. Disclosed is a device for removing and cooling the internal combustion engine exhaust gases containing a heat exchanger.EFFECT: technical result is simplifying the design of the heat exchanger and providing reliable operation of the heat exchanger.14 cl, 4 dwg
Annular controlled thermal siphon // 2608794
FIELD: energy.SUBSTANCE: invention relates to heat engineering and can be used to transfer heat energy at vertical extended channels in systems of heat power engineering. Point of invention is following: circular controlled thermal siphon contains evaporator, condenser, pipe for transport steam pipe for condensed liquid, annular chamber with an annular nozzle in the evaporator, connected to the pipe with condensate, upon that there is circular metal filler micromesh in evaporator below the annular nozzle, a capacitor is connected with pipe for liquid through controlled valves, there is a siphon between the pipe for steam and condenser, and the output of the siphon is connected to the bottom of condenser surface containing condensed liquid. In the cover of the condenser there is a valve for incondensable gas of type of Majewski needle valve. For transmission the steam from the evaporator into transport zone of the pipe for steam one enters a coaxial insert with open ends in the evaporator at the level of the ring chamber.EFFECT: increase thermodynamic efficiency of thermal siphon.3 cl, 1 dwg

Short-layer packing // 2608526
FIELD: gas industry.SUBSTANCE: invention relates to a contact device for implementation of heat- and mass-exchange processes in a gas-liquid system and can be used in processes in oil, gas, chemical and other related industries. Short-layer packing consists of thin alternating layers, made with different geometric characteristics, wherein thin layer of regular packaging 4 which is odd-numbered in direction of gas flow alternates with thin layer of dump packing 5, where in adjacent alternating layers of packing each odd layer of packing in direction of gas flow has smaller height H1, as compared with each even layer with height H2, wherein ratio H2/H1 is within range of (H2/H1) = 1.2÷7. Adjacent alternating layers of packing can be made from dump packings with various geometrical characteristics (different Raschig rings, Raschig ring-Pall seat). Dump packing can be laid regularly.EFFECT: use of multi-layer alternating layers of packing with different geometrical characteristics provides layered (local) existence of phase inversion mode in tower, pulsating mode of flow of gas and liquid phases on height of tower, thus providing considerable and stable in time increase in efficiency of heat- and mass-exchange processes in towers with packing.1 cl, 1 dwg

Heat exchanger // 2607916
FIELD: heat engineering.SUBSTANCE: recuperative heat exchanger, in which one of heat carriers, before entering into heat exchanger, passes through mixer, in which is mixed with same heat carrier, but already passed through heat exchanger, pressurized by compressor. Heat exchanger, being recuperative, by efficiency (heat carrier temperature equalization capacity) corresponds to mixing heat exchanger.EFFECT: technical result is increase in heat exchanger efficiency.3 cl, 3 dwg

Kochetov fan cooling tower with recirculating water supply system // 2607915
FIELD: power engineering.SUBSTANCE: invention relates to contact coolers, in particular, to cooling towers and can be used at thermal power plants for recirculating water cooling. Fan cooling tower contains housing, spraying device, fluid collection tank and fan, wherein housing consists of two parts, upper part including sprinkler, and drop separator, between which spraying device manifold with whole flare nozzles is arranged and lower part, in which cooled water collecting water tank is arranged with installed on it fan, wherein housing is made of thin-sheet stainless steel, and in water collector tank there is diffuser, which is part of housing and connected to fan, made with plastic impeller and multi-speed motor, allowing during operation depending on weather conditions change of cooling tower performance due to change of air flow rate, and sprinkler contains tubular elements from thermoplastic material with latticed wall folded in layers parallel to each other, wherein at ends tubular elements are welded to each other, tubular elements are made with triangular cross section and between each layer of tubular elements strip from thermoplastic material is laid across tubular elements along each of their ends, welded to tubular elements in places of their contact with strip, wherein during welding melting tubular elements end sections and strips laid between them and forming unit solid end walls, wherein of each of tubular elements cavities and annular space are filled with nozzle elements. Nozzle element is made in form of cylindrical ring, on side, inner and outer, surfaces of which screw thread is made, or in form of ball, on surface of which semi-spherical shaped blind bores are made, or in form of cylindrical ring, on side, inner, surface of which partitions are fixed in form of washers with holes perpendicular to ring axis, which axes are asymmetric to ring axis, or in form of inscribable into circle unit, consisting of seven interconnected by lateral faces hexagonal parallelepipeds without upper and lower bases.EFFECT: technical result is cooling tower performance improvement.1 cl, 8 dwg

Cooling tower packing unit // 2607450
FIELD: water supply.SUBSTANCE: invention relates to recycling water supply, specifically to structural elements of cooling towers and other devices for heat-mass exchange between liquid and gaseous media, in particular, to cooling towers of sprinklers and water catchers elements. Cooling tower tip unit contains tubular elements from thermoplastic material with latticed wall folded in layers parallel to each other, wherein at ends tubular elements are welded to each other, tubular elements are made with triangular cross section and between each layer of tubular elements strip from thermoplastic material is laid across tubular elements along each of their ends, welded to tubular elements in places of their contact with strip, wherein during welding melting tubular elements end sections and strips laid between them and forming unit solid end walls, and cavities of each of tubular elements and inter-tube space is filled with heat-mass exchange additional elements. Heat and mass exchange additional elements are made in form of cylindrical ring, on side, inner and outer surfaces of which screw thread in opposite directions is made, or in form of ball on surface of which semi-spherical shape through bores are made, or in form of ring, on outer surface of which screw surface is made according to plated screw type, or in form of, at least, three-bladed propeller.EFFECT: technical result is uniformity of heat-mass exchange and, consequently, increasing of sprinkler cooling capacity.1 cl, 5 dwg

Cooling tower sprinkler // 2607448
FIELD: power engineering.SUBSTANCE: invention relates to power engineering and intended for performance of heat exchanging processes between gas and fluid in their direct contact, in particular, in fan and tower cooling towers. In cooling tower sprinkler in form of module from polymer cellular tubes layers, tubes are made cylindrical, arranged in all layers parallel to each other and welded between each other in contact points at module ends, each tube cavities and intertubular space are filled with nozzle, wherein nozzle is made in form of cylindrical ring, on lateral, inner and outer surfaces of which screw thread is made, or in form of ball, on surface of which semi-spherical shaped blind bores are made, or in form of cylindrical ring, on side and inner surfaces of which partitions are fixed in form of washers with holes perpendicular to ring axis, which axes are asymmetric to ring axis, or in form of inscribable into circle unit, consisting of seven interconnected by lateral faces hexagonal parallelepipeds without upper and lower bases.EFFECT: technical result is increasing of sprinkler cooling capacity and, due to it, reduction of material consumption.1 cl, 5 dwg
Kochetov fan cooling tower // 2607446
FIELD: power engineering.SUBSTANCE: invention relates to contact coolers, in particular, to cooling towers, and can be used at thermal power stations for recirculating water cooling. Fan cooling tower contains housing, spraying device, fluid collection tank and fan, wherein housing consists of two parts, upper part including sprinkler and drop separator, between which spraying device manifold with whole flare nozzles is arranged and lower part, in which cooled water collecting water sump tank is arranged with installed on it fan, wherein housing is made of thin-sheet stainless steel, and in liquid collection tank there is diffuser, which is part of housing and connected to fan, made with plastic impeller and multi-speed motor, depending on weather conditions, during operation allowing to, change of cooling tower performance due to change of air flow rate, and sprinkler is made in form of module from polymer cellular tubes layers, tubes are made cylindrical, arranged in all layers parallel to each other and welded between each other in contact points at module ends, wherein each tube cavities and intertubular space is filled with nozzle, droplet separator represents corrugated perforated sheets assembled in package, at edges fixed by frame, in form of vertical rigidly interconnected rods. Nozzle is made in form of cylindrical ring, on side, inner and outer surfaces of which screw thread is made, or in form of ball, on surface of which semi-spherical shaped blind bores are made, or in form of cylindrical ring, on side, inner surface of which partitions are fixed in form of washers with holes perpendicular to ring axis, which axes are asymmetric to ring axis, or in form of inscribable into circle unit, consisting of seven interconnected by lateral faces hexagonal parallelepipeds without upper and lower bases.EFFECT: technical result is cooling tower performance improvement.1 cl, 8 dwg
Kochetov cooling tower sprayer (versions) // 2607443
FIELD: power engineering.SUBSTANCE: invention relates to power engineering and intended for performance of heat exchanging processes between gas and fluid in direct contact, in particular, in fan and tower cooling towers. Cooling tower sprinkler in form of module from layers of polymer cellular tubes, tubes are made cylindrical, arranged in all layers parallel to each other and welded between each other in contact points at module ends, each tube cavities and intertubular space is filled with nozzle, and each of pipe along outer surface is wrapped by intersecting threads, wherein pipes in module are arranged inclined or made winding, and pipes are assembled from corrugated sheets, which are welded along corrugations edges, wherein channels structure can be both straight, winding, inclined and consisting of these forms combinations. Nozzle is made in form of cylindrical ring, on lateral, inner and outer surfaces of which screw thread is made, or in form of ball, on surface of which semi-spherical shaped blind bores are made, or in form of cylindrical ring, on side, inner surface of which partitions are fixed in form of washers with holes perpendicular to ring axis, which axes are asymmetric to ring axis, or in form of inscribable into circle unit, consisting of seven interconnected by lateral faces hexagonal parallelepipeds without upper and lower bases.EFFECT: technical result is increasing of sprinkler cooling capacity and, due to it, reduction of material consumption.1 cl, 8 dwg

Kochetov contact heat exchanger with active nozzle // 2607441
FIELD: machine building.SUBSTANCE: invention relates to heat exchangers. In contact heat exchanger with active nozzle, consisting of housing with support frame, made from sheet steel, irrigation system with nozzle, drop separator, active nozzle, flue gases inlet branch pipe, flue gases outlet branch pipe, upper and lower support grids, hot water outlet branch pipe, upper and lower device inspection hatches, active nozzle is made in form of ball, on surface of which semi-spherical shape through bores are made, or in form of ring, on outer surface of which screw surface is made according to plated screw type.EFFECT: technical result is improving of contact heat exchange process productivity in device.1 cl, 6 dwg
Cooling tower sprayer (versions) // 2607438
FIELD: power engineering.SUBSTANCE: invention relates to power engineering and intended for performance of heat exchanging processes between gas and fluid in direct contact, in particular, in fan and tower cooling towers. Cooling tower sprinkler in form of module from layers of polymer cellular tubes, tubes are made cylindrical, arranged in all layers parallel to each other and welded between each other in contact points at module ends, each tube cavities and intertubular space are filled with nozzle, wherein pipes in module are arranged inclined, or made winding, or pipes channels structure can consist of following combinations: straight-winding, straight-inclined, winding-inclined. Nozzle is made in form of cylindrical ring on side, inner and outer surfaces of which screw thread is made, or in form of ball, on surface of which semi-spherical shaped blind bores are made, or in form of cylindrical ring, on side, inner surface of which partitions are fixed in form of washers with holes perpendicular to ring axis, which axes are asymmetric to ring axis, or in form of inscribable into circle unit, consisting of seven interconnected by lateral faces hexagonal parallelepipeds without upper and lower bases.EFFECT: technical result is increasing of sprinkler cooling capacity and reduction of material consumption due to it.1 cl, 8 dwg

Separation device, comprising swirler // 2607429
FIELD: energy.SUBSTANCE: invention relates to power engineering. Separation device comprises swirler (1, 20, 30) from sheet material, containing plurality of bent blades (4) with edge (6) on flow inlet side, forming inlet angle (α), and edge (8) on flow outlet side, forming outlet angle (β), wherein flow inlet side edge and flow outlet side edge extend from central section (3) to peripheral edge (9), wherein peripheral edge passes between edge endpoints on flow inlet side and edge on flow outlet side, and inlet angle is more than outlet angle, wherein bent blades peripheral edge is made circular on top view. Inlet angle (α) is at least 70°. Outlet angle (β) is in range 20–60°.EFFECT: invention allows to increase fluids separation efficiency, reduce pressure losses.15 cl, 9 dwg

Fluid medium heating device // 2607427
FIELD: energy.SUBSTANCE: invention relates to power engineering. Device for fluid medium heating contains first burner, providing first combustion of limiting fuel component and excess fuel component, and heat exchanger first module, in which first combustion gases produced during said first combustion, transfer heat to fluid medium. At that, device additionally contains second burner, into which first combustion gases are brought from one side, on other side is limiting fuel component for performing of limiting fuel component second combustion and at least part of unburnt excess fuel component contained in first combustion gases. At that, second combustion gases produced during said second combustion, circulate in heat exchanger second module and also transfer heat to fluid medium. Thus, combustion gases produced in each combustion circulate via combustion gases tubes, inside same common heat exchanger consisting of said heat exchanger modules, in which they transfer heat to fluid medium. Disclosed also is carrier rocket with fluid medium heating device.EFFECT: invention increases temperature and pressure of fuel liquid component before its injection to combustion chamber.9 cl, 3 dwg

ethod of making plate heat exchanger, press tool and system of making individual plates for plate heat exchanger // 2607130
FIELD: heat exchange.SUBSTANCE: present invention relates to the method of making a plate heat exchanger containing flow channels for the first and the second flows. Flow channels for the first medium are formed between the individual plates (1) interconnected to form a pair (P) of plates in each case, and for the second medium – between the pairs (P) of plates interconnected to form a stack (S) of plates. For the efficient production of plates with counter flow, as well as plates with cross flow, in one processing plant the present invention makes a proposal to make individual plates (1) in each case of a raw blank plate; first of all, the working tool is converted by means of the press mold interchangeable elements for making plates with cross flow or plates with counter flow, and then the blank plate is pressed with the converted tool to obtain the plate with cross flow or a plate with counter flow, to make appropriate faces (12) and/or contact surfaces (13), as well as cross-sections (Z1, Z2, A1, A2) of inflow and outflow.EFFECT: disclosed is a method of making plate heat exchanger.6 cl, 3 dwg

Transport pipeline connector // 2606734
FIELD: transportation.SUBSTANCE: group of inventions relates to means of transportation of viscous and very sensitive to temperature of fluid media via pipeline, consisting of heat exchange pipelines sections, connection parts, intermediate parts, discharging parts, distribution parts, pumps, filters. Supported at constant temperature connecting element (1) for transportation of viscous fluid medium contains excess pressure release element (2), separating connection part inner part from discharge pipeline (4) and attached to outlet pipeline with external edge (5). Overpressure release element is made so, that to open outlet pipeline at specified excess pressure in connection part. Inside connection part mixing element is provided, mixing fluid medium flow at excess pressure release element (2) section. There is method of viscous fluid medium transportation at heat exchange pipeline from said connecting part.EFFECT: group of inventions is aimed at prevention of non-uniformity of flowing medium temperature, viscosity and pressure due to its constant mixing.15 cl, 13 dwg, 1 tbl

Plate of heat exchanger and plate heat exchanger containing such plate of heat exchanger // 2606466
FIELD: heating.SUBSTANCE: plate of a heat exchanger has hole (36, 38, 42, 44) of an opening with basic point (80), which coincides with central point (C) of the highest imaginary circle (82), which can be inscribed into the opening hole. Hole of the opening is located in the left half and the right halves of the heat transfer plate and has the shape determined by multiple angular points (66, 68, 70) of an imaginary flat geometric figure (72), at least one of which is displaced from arc (92) of a circle, and by the same multiple fully curved lines (74, 76, 78) connecting the angular points. First angular point (66) of the angular points is located closest to transition (84) between the first short side and the first long side of the heat transfer plate and at first distance (d1) from the basic point. Second angular point (68) of the angular points is located closest to the first angular point in the clockwise direction and at second distance (d2) from the basic point. Third angular point (70) of the angular points is located closest to the first angular point in the counterclockwise direction and at third distance (d3) from the basic point.EFFECT: proposed are plate (4, 6, 8) of a heat exchanger and plate heat exchanger (2) containing such plate of a heat exchanger.10 cl, 4 dwg

Heat exchanger for a vehicle (versions) // 2606252
FIELD: transportation.SUBSTANCE: invention relates to cooling systems for vehicles. Heat exchanger comprises a housing, a portion of the housing defining a boundary of a coolant channel traversing the heat exchanger. Housing has a first and second opposing side having a layered construction, wherein the first side positioned at a vehicle periphery and including a greater number of layers than the second side. Heat exchanger further includes coolant inlet and outlet ports fluidly coupled to coolant passages.EFFECT: increase in strength and durability of the heat exchanger is achieved.10 cl, 9 dwg
Heat exchange module for use in chemical, pharmaceutical or biological reactor system // 2606011
FIELD: biochemistry.SUBSTANCE: invention relates to biochemistry. Disclosed is a heat exchange module for use in chemical, pharmaceutical or biological reactor. Heat exchange module comprises a flexible container with mixing system and a body with a central chamber to accommodate flexible container, wherein body is configured to be arranged in reactor vessel. Body with a central chamber comprises an outer surface configured to match shape of reactor vessel, heat-conducting surface configured for contact with flexible container, and a solid partition passing in central chamber, and heat exchanger on outer surface of said body. Heat exchanger comprises a channel for fluid medium circulation through which heat exchange fluid medium circulates around periphery of body and into channel, and from channel made in solid partition.EFFECT: invention provides for removal of large amount of heat generated by microbial cell cultures.6 cl, 7 dwg

Ribbed panels laser welding method // 2605032
FIELD: technological processes.SUBSTANCE: invention relates to tee and angular joints laser welding and can be used for ribbed integrated structures production from aluminium alloys. Performing prepared panel web installation and securing on support surface, stringer arrangement on it and fixation using retainer. Using retainer, made in form of rigid massive longitudinal beam with lower surface, repeating inner skin contour, with side surface for contact with stringer surface and set of cramps. Performing stringer rib tack weld attached by retainer. Then welding stringer rib to skin on same side. With removed retainer performing welding on rib other side. Welding is performed by welding head with shielding gas supply tubular nozzle arranged at angle to welding beam, made covering welding zone along length, with slices at end enabling abutment to joint angular structure, and equipped with hole for filler wire and focused laser beam supply into welding zone.EFFECT: laser welding with filler wire result is production of thin-walled ribbed panels from aluminium alloys without buckling, thus excluding rib straightening operation relative to panel.1 cl, 5 dwg, 1 ex

Cooling system // 2604462
FIELD: energetics.SUBSTANCE: invention relates to power engineering. Cooling system comprises adjacent cooling deltas 21, they are cooled with cooling air and are arranged along the trajectory, cooling deltas 21 are located in groups 22, where cooling deltas 21 of group 22 are located mainly in one direction and define mainly straight section of trajectory 24, the sections of trajectory 24 of adjacent groups 22 form zigzag trajectory 20. Zigzag trajectory 20 makes a closed star-shaped configuration, and pairs of adjacent groups 22 form complex delta components 23, open from the end of the cooling air inlet.EFFECT: cooling system is an energy-efficient and highly profitable.13 cl, 16 dwg

Heat exchange using mother liquid in para-xylene crystallization process // 2604225
FIELD: heat exchange.SUBSTANCE: invention relates to method for heat exchange using a mother solution a para-xylene (PX) crystallisation method. Method involves feeding a stream of incoming material and a stream of mother solution into a PX crystallisation apparatus, comprising a first heat exchanger to perform heat exchange through wall between stream of mother solution and a stream of incoming material and a crystallizer for crystallisation of PX from stream of supplied material, wherein stream of mother solution is cooled to temperature -50 °C providing a second heat exchanger for cooling stream of supplied material to reach PX crystallisation apparatus for cooling stream of supplied material with a second low-temperature energy source of cooling agent and providing a third heat exchanger to perform heat exchange through wall between stream of mother solution and a stream of incoming material before stream of supplied material enters second heat exchanger.EFFECT: invention provides improved process of low-temperature crystallisation and optimum use of cooling using heat exchange with a mother solution to reduce costs on cooling during crystallisation.7 cl, 2 dwg

Plate of plate-type heat exchanger and plate-type heat exchanger // 2604121
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used in plate-type heat exchangers. Plate (10) of a plate-type heat exchanger includes holes (11-14) and, between the said holes (11-14), area (15) of heat exchanging partially separated with barrier (22). Plate (10) of the heat exchanger comprises the first hole (11), the second hole (12), the third hole (13) and the fourth hole (14). Additionally, plate (10) of the heat exchanger is provided with the first transition area (16) between the first and second holes (11, 12) and area (15) of heat exchanging and the second transition area (17) between the third and fourth holes (13, 14) and area (15) of heat exchanging, the first and the second transition areas (16, 17) are equipped with transition holes (18, 19).EFFECT: first transition area (16) is opened towards area (15) of heat exchanging, and the second transition area (17) is separated from area (15) of heat exchanging with seal (20).15 cl, 7 dwg

ethods and devices for heating or cooling viscous materials // 2604120
FIELD: system for heating and cooling.SUBSTANCE: invention relates to methods and devices for heating and cooling of viscous materials, such as mincemeat emulsion, used for production of food and other products. Device is a heat exchanger, containing first plate and second plate connected with it, as well as first and second spacers located between first and second plates. First plate, second plate, first spacer and second spacer form at least one channel with controlled temperature, intended for passage of product through heat exchanger.EFFECT: reduced possibility of heat exchanger channels clogging.23 cl, 4 dwg

Heat exchanger with ribbed tubes // 2603508
FIELD: heat exchange.SUBSTANCE: present invention relates to a heat exchanger with ribbed tubes comprising tubes, through the inner space of which a heat carrier flows and which are arranged in parallel at an equal distance between them so, that the combustion product can pass through the space between the tubes; and heat transfer ribs spaced apart relative to each other and connected to the outer tubes surface along their longitudinal direction in order to be located in parallel to the combustion product flow. Inside the tubes there is the first generating a turbulent flow element to create turbulence in the flow of the heat carrier. First generating the turbulent flow element comprises a flat plate part located in the longitudinal direction of the tubes for separation of tubes inner space into two spaces and the first guide elements and the second guide elements, which are spaced apart relative to each other and in turn extend inclined along the longitudinal direction on both sides of the flat plate part.EFFECT: improved heat exchange efficiency by increasing the heat carrier flow turbulence.12 cl, 14 dwg

Vertical shell and tube heat exchanger // 2603450
FIELD: heat exchange.SUBSTANCE: invention relates to heat engineering and can be used for heat exchange of fluid media (water-water) in processes of any branch of national economy, mainly, oil processing, petrochemical or adjacent areas. Vertical shell and tube heat exchanger includes a housing with tube plates and a tube bank connected with a collector chamber, in which to form a cavity there is a circular shell, herewith the circular shell is made perforated and located between the tube sheet and an additionally mounted separation grid, onto which there is an equipped with swirler guides and a baffle bottom conical shell forming with walls of the collector chamber a cavity.EFFECT: technical result is higher operational reliability of the heat exchanger.11 cl, 3 dwg

Device for mechanochemical cleaning of pipeline inner space // 2603155
FIELD: oil and gas industry.SUBSTANCE: invention relates to transportation and storage of oil products, in particular, to cleaning of inner cavities of main oil pipelines and oil product pipelines from deposits and residues of transported product prior to changing type of transported product. Device of mechanochemical cleaning of pipeline inner space comprises a section for mechanochemical cleaning, a section for storing deposit solvent and a storage section. Section for mechanochemical cleaning includes drive, lining and cleaning discs, located behind control unit, unit for transmitting location and disc rotation drive, mechanochemical activation chamber formed by alternating drive, lining, cleaning discs and rotating discs with spring-loaded polymer wear-resistant brush, and comprising a pressure line for deposit solvent, provided with injection nozzles, drainage chamber for mechanochemical activation and a heating coil for deposit solvent. Behind mechanochemical activation chamber there are, located in housing, high-pressure pump, connected with pressure line of solvent and solvent intake line, leading to feed line of high-pressure pump, and a sludge pump connected with sludge pressure line and intake line of dissolved deposits. Deposit solvent storage section includes a tank with clean solvent, equipped with flexible intake line of clean solvent, connected to feed line of high-pressure pump.EFFECT: invention provides high degree of cleaning pipeline inner surface of pipeline from sediments and residues of transported product.1 cl, 3 dwg

Condensation heat exchanger with false tubes // 2602947
FIELD: heat exchange.SUBSTANCE: present invention relates to a condensation heat exchanger with false tubes, wherein is a plurality of condensation-heat exchange tubes, connected through water jackets serve for recuperation of circulating water latent heat, and false tubes, introduced between condensation-heat exchange tubes through water jackets, provide equilibrium distribution of pressure impacting on water jackets, and circulating water flow.EFFECT: equilibrium distribution of pressure.3 cl, 6 dwg

Heat exchanger // 2602660
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used in manufacturing of heat exchangers. A heat exchanger with a collector plate (1), which contains a wall (2), in which there are passages (3), which can receive piping ends (4) of one batch, the wall (2) of collector plate (1) is made so, that for soldered or welded joint with pipes (4) forms arranged around the passages (3) end projections (5), and the wall (2) contains one facing the piping batch front wall (6) and one facing the accumulation tank rear wall (7). Each ending projection (5) extends from rectilinear base plane (8) on the rear side (7) of a wall (2), in the direction of accumulation tank.EFFECT: technical result is improvement of characteristics of the heat exchanger with respect to thermal load.9 cl, 5 dwg
 
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