Heat exchange in general (F28)

F28            Heat exchange in general(9585)

Inflatable chimney-type cooling tower // 2627751
FIELD: power industry.SUBSTANCE: inflatable cooling tower comprises a metal frame, water catcher, circular water distributor equipped with sprinklers, irrigator, support ring, the air intake windows in which the dampers are mounted on vertical axles, and the shell of the tower consists of toroidal rings filled with air and circumferentially separated into sections by the plates, made of a flexible, sealed, corrosion-resistant material, mounted on each other and interconnected along the annular bottom, an inner toroidal ring is mounted on the support ring and fixed to it, a compressor connected to a conduit made of a flexible, hermetic, corrosion-resistant material and consisting of a vertical flow line connected to the sections of each toroidal ring through the pipe headers connected to the circular distributor rings which are in turn connected to the each section with the section heads equipped with return valves on the sections input.EFFECT: invention improves the efficiency of the cooling tower.2 dwg

Solid cooling method and system for its implementation // 2627749
FIELD: heating.SUBSTANCE: air flow (1), if necessary, is cooled and/or dried and/or then heated up to reduce the relative humidity of the air flow. The cooling air flow (9), thus conditioned, is then used in the contact device (7) for cooling a solid (8), and the heated exhaust air flow (11) is removed from the contact device. According to the invention, a portion (10) of the exhaust air flow (11) is mixed with the air flow (9) to preheat the air flow and thereby reduce the relative humidity of the air flow. In addition, the second portion of the exhaust air flow (18) can be mixed with the feed air (1') and used in a separate second contact device (19) for precooling the solid (8). The invention also relates to a system for implementing the process.EFFECT: improving energy efficiency.12 cl, 3 dwg

Feed unit of the steam supply to the heat exchanger // 2626614
FIELD: heating system.SUBSTANCE: feed unit of the steam supply to the heat exchanger comprises a control valve, a steam flow measure point with the Venturi tube, a drainage controller and a flashing steam generation storage reservoir, whereby there is a steam jet in the Venturi tube in the low-pressure area. This steam jet is linked with the flashing steam generation storage reservoir with the help of the pipe leading. The flashing steam is drawn into the steam major stream.EFFECT: steam saving is provided.1 dwg
ethod of surfacing monolyle of copper bulbs to metal contact surface of heat exchanger // 2626263
FIELD: heating system.SUBSTANCE: contact surface of the heat exchanger is pre-coated with a layer of high vacuum oil, the heat exchanger is placed in a sintering container, the container is filled with copper balls with a size of 100 to 500 mcm, the copper balls that have not adhered to the high-vacuum oiled surface are poured from the said container and poured into a sintering container With excess beads of alumina that are equal to or less than copper balls, load the container into a vacuum oven with a vacuum level of at least 10-5 Mm Mercury column and heated to a sintering temperature of 800 to 900°C. Heating is carried out with holding at the boiling point of a high-vacuum oil for complete removal of oil vapours. The monolayer is then sintered from the copper balls to the contact surface of the heat exchanger for 2 to 4 hours.EFFECT: monolayer of metal balls is welded to predetermined areas of the heat exchanger surface, regardless of their spatial orientation.1 ex

Heat exchanger for driver transducer // 2626041
FIELD: heating system.SUBSTANCE: invention relates to a heat exchanger (1) comprising the first heat exchanger module (10) with the first evaporator channel (120) and the first channel (130) of a condenser. The first evaporator channel (120) and the first condenser channel (130) are disposed in the first conduit (11). The first evaporator channel (120) and the first condenser channel (130) are fluidly connected to each other via the first upper distributor manifold (30) and the first lower distribution manifold (33) so that the first evaporator channel (120) and the first condenser channel (130) form the first closed loop of the coolant circulation. The first heat exchanger module (10) comprises the first heat transfer element (28) of the evaporator for transferring heat to the first evaporator channel (120) and the first heat transfer element (29) for draining heat from the first condenser channel (130). The heat exchanger (1) also comprises the second heat exchanger module (210) connected by a fluid connection element to the first heat exchanger module (10) for a heat carrier exchanging between the first heat exchanger module (10) and the second heat exchanger module (210).EFFECT: increase of heat interchange.25 cl, 7 dwg

Plate heat exchanger with gasket // 2626032
FIELD: heating system.SUBSTANCE: invention relates to a type of heat exchanger in which a plurality of plates is stacked and form flow paths between adjacent plates due to the shape of the surface. More particularly, the present invention relates to a plate heat exchanger with a gasket in which plates form undulating sections holding the gasket. The gasket is located and/or compressed between two adjacent heat exchanger plates.EFFECT: increase of heat interchange.18 cl, 18 dwg
Steel products gas vapour cleaning method // 2625608
FIELD: metallurgy.SUBSTANCE: while carrying out the method, the pipes are blown with water vapour, wherein the carboxylic acid water solution is introduced. Then, after cleaning with the carboxylic acid vapour solution, the ethanol water solution is introduced into the water vapor, decomposing as a result of vapour conversion with the hydrogen generation. It is preferable to use formic acid at the preliminary cleaning step. In case of steel products manufacturing from the austenitic grade steels, it is not necessary to passivate its surfaces.EFFECT: method provides the safe and efficient cleaning of steel products and prevents the risk of steel products corrosion cracking under stress, which is made of austenitic steels.4 cl
ethod for assembling cooling tower sprinkling unit // 2624689
FIELD: agriculture.SUBSTANCE: method consists in stringing mesh plates 3 alternately on the coupling tube 2 with the subsequent fixing, which is carried out by introducing to the butt of each coupling tube 2 the retainer 1 with a wavy rod and a spherical cap.EFFECT: improving the reliability and durability of the cooling tower sprinkling unit structure.4 cl, 2 dwg

Heat exchanger-reactor // 2624378
FIELD: heating system.SUBSTANCE: heat exchanger-reactor, having a tube bundle with detachable connection, comprises a frustoconical-shaped housing element, tubes, except the central one, are arranged obliquely with respect to the axis and around the axis. Housing element on top and bottom is covered with bottoms. The tube bundle with its small tube grid is connected to protrusion of the housing element thickening from below with a bolted connection. When removing the tube bundle from the housing element and when connecting, a specialized pallet-trolley is used.EFFECT: technical equipment range expansion.2 cl, 2 dwg

Heat-exchanging panel // 2624094
FIELD: heating system.SUBSTANCE: heat-exchanging panel, containing the sequentially installed vertical sections, fastened together by nipples, to form the top and the bottom collecting chambers, in the cavity of the last of which there is longitudinally disposed horizontal rod with the plates made as scrapers from the elastic material fixed on it in each section of the zone, the lower edge of each of which has the shape, replicating the profile, forming the bottom of the collecting chamber in the area of the scraper and the second end of the horizontal rod is withdrawn outside the sections, besides the rod is made hollow, the internal cavity of which communicates with the outlet pipe and with each section of the collecting chamber.EFFECT: coolant circulation overlapping in the outermost sections is eliminated, the coolant simultaneous passing through all sections of the heat-exchanging panel.2 cl, 3 dwg
Combined cooling tower with rational water recycling system // 2624073
FIELD: power industry.SUBSTANCE: combined cooling tower with a rational water recycling system contains a body, in the lower part of which there is a water basin made in the form of a body from water-shield panels, and above the bathroom there is an air intake device made in the form of the louvered grilles located along the body perimeter. In the upper part of the cooling tower body, the axial fan body is installed, made of fiberglass and incorporating a confuser located coaxially with the cooling tower body and rigidly connected to it. The cylindrical part is coaxially connected with the confuser, inside of which a fan impeller with a gap and a diffuser are located, in which, at least, three adjustable extensions are fixed to install the fan with an integrated electric motor. In the middle part of the cooling tower body, there is a water distribution system with manifolds of variable cross-section and fixed with nozzles sprinkling water over the irrigation device fixed in the body by means of stiffeners, the recycling water system has separate hydraulic circuits for water preparation and consumption. In the lower part of the cooling tower body, at least, two water collection tanks are installed, which are connected to each other by a compensation pipe, ensuring the hydraulic independence of the contours of working water preparation and its consumption. One tank is connected with the pump supplying water cooled in the cooling tower to the user, water is again supplied via the valve and the pipeline to the second tank, from it the heated water is supplied by the pump via the filter and the valve along the pipeline to the header with the nozzles installed in the upper part of the cooling tower body, in the section between the filter and the valve the system monitoring the filter water resistance is installed, it contains a pressure gauge and a valve. Each nozzle of the water distribution system containes a hollow body with a nozzle and a central core, the body is made with a channel for supplying water and contains a coaxial sleeve rigidly connected with it with a nozzle fixed in its lower part, the nozzle is made in the form of a cylindrical two-step sleeve, the upper cylindrical step of which is connected by means of the thread joint with the central core coaxial with it, having a central hole and installed with the annular gap relatively to the internal surface of the cylindrical sleeve. The said annular gap is connected with, at least, three radial channels made in the said two-step sleeve connecting it with the annular cavity formed by the sleeve inner surface and the outer surface of the upper cylindrical step. The annular cavity is connected with the body channel for supplying water, an atomizer is fixed to the central core in its lower part, formed as a truncated cone coaxial to the central hole of the core and fixed with its upper base to the base of the central core of the cylinder, and a divider is fixed to the lower base of the truncated cone by means of, at least, three spokes, which are made in the form of an annular end plate, the edges of which are bent towards the annular gap, and on the outer side of the truncated cone there are helical grooves, and in the divider, which is fixed to the lower base of the truncated cone by means of, at least, three spokes and is made in the form of an annular end plate, the edges of which are bent towards the annular gap, there is an orifice axisymmetric to the central hole of the central core.EFFECT: improving the efficiency of the secondary energy resources by increasing the active area of the cooling tower without increasing aerodynamic resistance.2 cl, 2 dwg

Siphonous method of cooling water treatment // 2623599
FIELD: power industry.SUBSTANCE: siphon method of cooling the return water includes pumping with the help of pumps of warm circulating water through a heat exchanger with a developed contact surface. The heat exchanger is placed in a refrigerating vessel into which river water is supplied by a siphon pipeline laid along the bottom of the river upstream, due to the potential energy of the water in the river, determined by the difference in levels at which the ends of the siphon pipeline are located.EFFECT: increasing the efficiency of cooling of circulating water.2 dwg

Condenser-evaporator // 2623351
FIELD: power industry.SUBSTANCE: condenser-evaporator comprises a housing with inlet ports for working flows input and output, with one or more plate-fin heat exchange elements with alternating boiling and condensing channels, with collectors for condensing medium input and output. Each heat exchange element is made of a whole-piece with a sectionalized boiling cavity, where channels of each section are separated by spacers.EFFECT: reduced metal consumption.2 cl, 2 dwg

ulti use plate of plate heat exchanger and method of plate heat exchanger plate package manufacturing // 2623346
FIELD: heating.SUBSTANCE: proposed multi use plate of the plate heat exchanger contains the following: the extreme and middle parts, lying in the first plane; the rib, mating these parts, the middle of which lies in the second plane parallel to the first; the first and the second pairs from the first and the second holes same in size on the opposite sides of the middle part. These pairs of holes are positioned mirror-wise relatively to the transverse axis, passing in the first or the second plane equidistantly between the pairs of holes; at that the first and the second hole in each of these pairs of holes are formed in the sections of the middle part, lying respectively in the first and the second planes; the entire space of the middle part between the sections with holes is occupied by alternating recesses and protruberances, at that the recesses bottom and the protuberances tops are lying respectively in the first and the second planes. The package assembly of such plates consists in consequent plates packing one by one with the similar planes with the rotation of each even or each odd plate by 180° relatively to the transverse axis, after that provide the plates welding in the contact places of their similar planes. The turbulizing elements can be placed in some of the forming cells, that allows to change the hydro-gasdynamic and heat-mass exchange characteristics of the working channels.EFFECT: operating means range expansion.8 cl, 3 dwg

Air-water heat exchanger // 2622581
FIELD: heating.SUBSTANCE: air-water heat exchanger contains a housing with installed therein air-water cooler, centrifugal fan, supplying the heated air flow to the air-water cooler and including an impeller, mounted on the rotor of the motor. The heat exchanger is equipped with additional cooling circuit of the fan motor, designed as a cup, covering the motor rotor with a gap, and cooled air duct from the main air-water cooler outlet to the cup cavity.EFFECT: extention of the heat exchanger operating temperature range.1 dwg

Plate heat exchanger // 2622452
FIELD: heating system.SUBSTANCE: plate heat exchanger comprises a wafer pack (2) and a covering it case (1). The wafers (2a) are linked in the pack (2) in such a way that the first and at least one other medium flow interchangeably in-between the adjoined wafers. One medium is delivered to the wafer pack (2) or is drained through the leak channel toward wafer pack, while the other medium is delivered to the sufficient spaces in-between the wafers or is drained through the space between the case (1) and the wafer pack (2) on the outside perimeter. It is of the essence that the following materials combination is applied: the wafers (2a) of the pack (2) are made in a known way of a corrosion-resistant material, the body is made of a non-corrosion-resistant material that has an enamel covering on the inside tending to be affected by the medium.EFFECT: heat interchange increase.13 cl, 2 dwg

Vortex heat exchange element // 2622340
FIELD: heating system.SUBSTANCE: in a vortex heat exchange element containing rib packs, the distance between the ribs is reduced in each bag. Screw-shaped grooves are made on the vertical surface of each rib of the pack located on the cylindrical pipe of larger diameter. The direction of the tangent screw-shaped groove on the vertical surface of one rib has a clockwise direction, and the direction of the tangent screw-shaped groove on the opposite vertical surface near the positioned rib has a counterclockwise direction.EFFECT: ensured consistency of heat dissipation capacity of the rib pack during long-term operation.5 dwg

Extending centerpieces for stackable structural reactors // 2621853
FIELD: heating.SUBSTANCE: expanding central part for stackable structural reactors, for example, a reforming reactor, may include a cone, expandable in the radial direction and extending load promoting the expansion cone. Cone and extending cargo may be slidably arranged on the central support. The expansion cone radially squeezes reactor components radially outwardly to the outer tube, which accommodates the reactor components and expandable central unit.EFFECT: extension of the reactor components to the outer tube facilitates heat for catalytic reactions, and improve the heat transfer efficiency of the reactor.15 cl, 7 dwg

Wire spacers for stackable structural reactors // 2621852
FIELD: heating.SUBSTANCE: wire spacer includes a segment or portion positioned between the outer tube reactor and one or more components of the reactor, situated inside the tube. Reactor Components and outer tube are prevented from coming into direct contact with each other wire spacer arrangement. Wire spacers can be fastened to a component of the reactor at one of its ends a ring or gasket situated between the components of the reactor, arranged one above the other.EFFECT: preventing reactor components from contact with the outer tube facilitates fluid flow through the reactor, and can improve the heat transfer efficiency of the reactor for catalytic reactions.15 cl, 13 dwg
Composition for cleaning of heat transfer system with aluminum components // 2621696
FIELD: chemistry.SUBSTANCE: cleaner concentrate is described for a vehicle heat transfer system comprising an aluminum component, manufactured by brazing in a protective atmosphere containing more than 15 wt % of freezing temperature reduction means, 8 to 35 wt % of oxalic acid and an azole compound wherein the wt % is based on the total weight of the cleaner concentrate.EFFECT: concentrate is a homogeneous solution.17 cl, 6 tbl, 32 ex

Cleaning method of convection heating surfaces of steam boilers // 2621452
FIELD: heating.SUBSTANCE: cleaning method of convection heating surfaces of the steam boilers, in which the steam is generated in the boiler, the fuel and air is supplied into the boiler burner, which is preheated in the air preheater. The blowdown water is used as the blowing agent for cleaning the heating surfaces, which is drawn from the boiler drum and sent into the blower unit.EFFECT: increase of efficiency and reliability of the boiler plant by replacing valuable coolant - steam, compressed air, cold or hot water by less valuable and non-corrosive coolant - blowdown water.1 dwg

Cleaning method of economizer surfaces of steam boilers // 2621441
FIELD: heating.SUBSTANCE: proposed cleaning method of economizer surfaces of steam boilers, in which the feed water is supplied to the boiler drum, which is preheated in the economizer. The blowdown water is used as the washing agent for cleaning the economizer heating surfaces, which is drawn from the boiler drum and sent into the washing unit.EFFECT: increased of the efficiency and reliability of the boiler plant by replacing valuable coolant - the external source water under the pressure by less valuable non-corrosive coolant.1 dwg
Heat-exchange method for microturbine power plants // 2621432
FIELD: power industry.SUBSTANCE: portion is taken from the main stream of compressed working air supplied from the compressor to the combustion chamber through the heat exchange matrix of the regenerative rotary heat exchanger, and directed bypassing the heat exchange matrix into the lateral cooling channels made in the body of the hot part of the heat exchanger. Before mixing this portion of the air flow with the main stream, it is heated up to the temperature required for efficient combustion of the fuel (600-700°C), by removing the heat of the exhaust gases, by means of a recuperative heat exchanger installed on the hot side of the plant, achieving a simultaneous increase in the temperature of the exhaust gases supplied to the combustion chamber, before they enter the heat exchange matrix of the regenerator, which facilitates the equalization of the temperature gradient of its frame and reduces hydraulic losses, increases the degree of regeneration.EFFECT: increased energy efficiency of microturbine.3 cl

Heat exchange unit // 2621194
FIELD: heating.SUBSTANCE: heat exchange unit comprises a cylindrical housing with tubes for supplying the component into the housing and its outlet from the housing disposed in the inlet and outlet parts of the housing, respectively, heat exchange tubes installed inside the housing in the tube plates, profiled covers with connecting flanges installed at the ends of the housing and with the tube plates forming cavities of inlet and outlet of the component supplied through the heat exchange tubes, inside each heat exchange tube an internal tube forming an annular radial gap between the walls of the tubes is also installed in a coaxial manner. In the inlet and outlet housing parts of the heat exchanger additional bottoms are installed forming cavities of inlet and outlet of the component with the tube plates and profiled covers. The cavity of the annular radial gap between the walls of the heat exchange and internal additional tubes is connected to the cavity formed by the tube plate and the additional bottom, where the cavity between the profiled cover and the additional bottom is connected to the cavities of the internal additional tubes and to the housing cavity.EFFECT: intensified heat exchange.3 cl, 3 dwg
Radial pipe heat exchange contact device // 2621189
FIELD: heating.SUBSTANCE: device can be used as a heat exchanger, a mass exchange device, an adsorber and a catalytic reactor. The device consists of a housing with fluid inlet/outlet pipe branches, wherein there is a coaxially installed annular heat-mass exchange unit consisting of interconnected pipes, rings and covers. The heat-mass exchange unit may be equipped with a perforated cylinder shell on which there are stops adjacent to the unshielded parts of the side walls of pipes. The connections of external rings with the housing may be expandable or split. Baffle inserts can be mounted in the near-wall and near-axis headers.EFFECT: simplified device structure.9 cl, 6 dwg

Engine operation method and engine system // 2620914
FIELD: engines and pumps.SUBSTANCE: method of the engine (10) operation is that the cooling of the intake air in the charge air cooler (80) is carried out and control the vibratory device (92) operation of the charge air cooler, depending to the condensate formation conditions in the charge air cooler (80). Adjust the valve position, located at the intake of the charge air cooler (80), based on the condensate formation conditions and the state of the vibratory device (92). Engine operation method version and engine system are disclosed.EFFECT: reduction of condensate accumulation on the charge air cooler surface and prevention of the condensate entry into the air intake flow.19 cl, 5 dwg
atrix of plate-type heat exchanger // 2620886
FIELD: heating.SUBSTANCE: matrix of plate-type cylindrical shape heat exchanger is a longitudinal concentric ring channels system of the rectangular cross-section, formed by alternating in the radial direction smooth and disposed between them with solid thermal contact the remote controlled plates-turbulizers with double-sided spheroidal protruberances and cavities with the staggered arrangement order. At that one of the coolants passes in the axial direction in the opened channels from the end faces of the matrix, the other coolant passes in the circumferential direction in the closed ring channels of the same type.EFFECT: provides the adequate matrix stiffness, increase of the surface thermal efficiency and improving of the weight and size parameters of the heat exchanger.5 dwg

Composite material for thermal energy storage device and method for producing of composite material for thermal energy storage device // 2620843
FIELD: power industry.SUBSTANCE: composite material comprises thermoplastic phase change material in which with predetermined spatial distribution crystallization nuclei are implemented. The phase change material is ultrahigh molecular weight polyethylene. The crystallization nuclei have higher softening temperature, in particular at least 50 °C higher softening temperature than the phase change material and/or crystallization nuclei have a higher thermal conductivity than the phase change material.EFFECT: invention provides composite material for thermal energy storage device by means of which overcooling phenomenon can be reduced.11 cl, 2 dwg

Wall adjacent drops fluid flows shaper in micro- and mini-channels // 2620732
FIELD: heating.SUBSTANCE: in the device, including a flat mini or micro channel of rectangular cross section, one of the walls of which is a substrate of one or more electronic fuel elements located on it, a gas flow generator, a drop generator, across the mini or micro channel between the gas flow generator nozzle and the front edge of the electronic fuel element, the row of micro-holes is made, that are connected by a tube system to the drop generator.EFFECT: creation of device, that allows to achieve the effective cooling of micro electronic equipment with a local heat release.2 cl, 2 dwg

Heat exchange unit // 2620618
FIELD: heating.SUBSTANCE: heat exchange unit comprises a housing, inlet and outlet ports of cooling and cooled medium, a set of pipes disposed within the housing, holders mounted on the housing surface with finning plates rotatably attached to them relative to the housing surface to an angle of 0 to 90 degrees, and at an angle of 0 degrees there are cavities between the housing and the finning plates, and clamps are mounted on holders to fix finned plates in intermediate positions.EFFECT: ability to control heat transfer from housing and finning plates.2 dwg

Heat accumulator for vehicle engine coolant // 2620476
FIELD: engines and pumps.SUBSTANCE: invention relates to a heat accumulator vehicle engine coolant. The heat accumulator for vehicle engine coolant (8) comprises a flexible storage container (2) with an inner shell (4) and an outer shell (5), with insulating means (6) located in-between, as well as an inlet (9) and an outlet (10) for coolant (8).EFFECT: invention provides reduction in fuel consumption, structure weight, as well as accumulator adapting to the available free space by selection of its form.7 cl, 3 dwg

Heat exchanger tube-sheet // 2620464
FIELD: heating.SUBSTANCE: proposed a heat exchanger tube-sheet 6, having openings 7 for placing the ends of heat exchanging tubes, at that each opening 7 is provided with at least one concentric bore 8 for laying the ring sealing elements 9. The bores 8 in the sheet body are distributed in different planes parallel to its base, and the contours of the bores projection at the auxiliary plane parallel to the sheet base have the gap between them or a common point, i.e. contacting.EFFECT: increase of the sheet strength without increasing of the center distance between the adjacent heat exchange tubes, increase of the tube bundle layouts versions on the sheet.4 cl, 6 dwg, 2 tbl

ethod of cleaning of steam boiler air-heaters // 2620140
FIELD: heating, ventilation.SUBSTANCE: invention refers to the boiler equipment and may be used in boiler units of thermal power stations and heat supply systems. The method includes cleaning of air-heaters by means of impact on sediments with water sprays. Whereupon, bleed water exported from a steam boiler drum and injected into an exit flue before an air-heater is used as a cleaning medium of an air-heater.EFFECT: peculiarity of the invention is the increasing of economic efficiency and reliability of a boiler unit.1 dwg

Hybrid condenser // 2619970
FIELD: power industry.SUBSTANCE: hybrid condenser contains a contact capacitor segment (9, 39) and a surface capacitor segment (10, 40), installed in the common condensation area, the surface capacitor segment (10, 40, 49) is mounted beyond the mentioned contact capacitor segment (9, 39) in the direction of the steam flow or under the mentioned contact condenser (9, 39), besides, it contains the water guide element (17, 45), providing the cooling water and condensate mixture passing, formed in the mentioned contact condenser segment (9, 39), downward bypassing the mentioned surface condenser segment (10, 40, 49). The contact condenser segment (9, 39) has nozzles, emitting water jets perpendicular to the steam flow direction, the mentioned water guide element (17, 45), having the surface, facing the mentioned nozzles and intended for water receiving.EFFECT: effective condensation.12 cl, 11 dwg

Vacuum radiator // 2619957
FIELD: heating.SUBSTANCE: radiator comprises a vacuum casing formed by two sealingly interconnected sheets of material to withstand the low pressure. In this radiator body closed volume is formed, which was evacuated to a vacuum, with a broadening in the lower end of the radiator body. Inside broadening radiator casing, there is a metal pipe, filled with heating medium from the heating system, on the outer surface of which the pinholes are made in the form of grooves arranged transverse to the longitudinal axis of the metal tube, and the volume filled casing broadening boiling liquid, the level of which touches the bottom surface of the outer metal tube.EFFECT: increase in heat transfer efficiency and reducing noise during operation of the vacuum radiator.19 cl, 3 dwg
Radial plated heat and mass exchange device // 2619432
FIELD: heating.SUBSTANCE: device can be used for performing the heat and mass transfer processes. The proposed device consists of the casing with fluids I/O nozzles. The coaxial annular heat exchange unit is installed in the device, consisting of the plates bonded together with the T-shaped connection, two outer rings and two inner covers and also the inner and outer perforated cylinder courses, at which the limit stops are located, adjacent to the unshielded sections of the plates outer side. One of the covers is connected with the input/output nozzle of one of the fluids.EFFECT: simplification of the device design and the possibility of the pressure exceeding in any of the heat exchange unit cavities above the pressure in the adjacent cavity.6 cl, 2 dwg
Radial plated heat exchange contact device // 2619431
FIELD: heating.SUBSTANCE: device can be used as the heat exchanger, the mass transfer device, the adsorber and the catalytic reactor. The device consists of the housing with fluids input/output nozzles, where the symmetrical annular heat exchange unit is axially mounted, consisting of the even number of curved radially oriented plates with profiling protuberances, alternately connected in the axial and radial direction, two outer rings and two inner covers. One of the covers is connected with fluid I/O nozzle. The heat exchange unit is equipped with at least one perforated cylinder course, at which the limit stops are located, adjacent to the unshielded sections of the plates outer side.EFFECT: simplification of the device design and the possibility of the pressure exceeding in any of the heat exchange unit cavities above the pressure in the adjacent cavity.6 cl, 3 dwg

ethod for hydrodynamic cleaning of plate exchangers and plate exchanger for method implementation // 2619326
FIELD: power industry.SUBSTANCE: method for hydrodynamic cleaning of plate heat exchangers, made in the form of sections consisting of two connected plates with spherical recesses on their working surfaces, recesses of one plate enter the notches of the other plate, including the creation of a turbulized flow with individual self-organizing pulsating vortex structures under the action of the heat carrier main flow in the recesses, as well as of an additional jet bypass flow formed due to the bypass of a part of the main flow through bypass channels made in the meridian plane of recesses, from the increased pressure zones on the walls of the recesses adjacent to their outlet edges to the reduced pressure zones in the bottom of adjacent recesses.EFFECT: as a result of complex hydrodynamic effect of single self-organizing pulsating vortex structures and jet bypass flow, continuous cleaning of the heat exchanger plate is performed, and its service life is increased, geometric parameters of tear-off holes on the plates, location and size of bypass channels are determined.8 cl, 4 dwg

Experimental assembly for studying heat exchangers // 2619037
FIELD: measuring equipment.SUBSTANCE: present invention relates to laboratory thermophysical measurements and, in particular, for determination of thermal, aerodynamic and hydraulic parameters of recuperative heat exchangers of different types, performed during training specialists in field of engineering equipment, tests of heat exchangers in order to determine their main parameters. Proposed experimental assembly for studying heat exchangers enables to perform thermal and hydraulic tests of various heat exchangers in order to detect actual parameters and characteristics. Also experimental assembly for studying heat exchangers can be used in educational process for laboratory works for students of engineering fields.EFFECT: obtained results make it possible to increase accuracy of calculations and to compare the effectiveness of different types of heat exchangers.1 cl, 3 dwg

ethod of heat-power equipment cleaning from deposits and scale and device for its implementation // 2619010
FIELD: power industry.SUBSTANCE: in contrast to the prototype, in the method consisting in pumping the cleaning solution through pipelines and internal cavities, before cleaning the system is emptied from working fluids, two washing solutions are prepared - alkaline, containing SAA, and acidic, solutions are heated up to 320…360K, are pumped alternately, starting with the alkaline solution, through the pipelines and internal cavities of the equipment. The solutions pumping alternates with the pumping of a neutral liquid, for example, water. The device includes pipelines, taps or valves, containers, pumps and is additionally equipped with two containers for cleaning solutions and a container with a neutral liquid, as well as a generator of pressure pulsation and speed.EFFECT: improved cleaning quality.19 cl, 1 dwg

Heat exchanger system with air cooling // 2618775
FIELD: heating.SUBSTANCE: heat exchanger system (1) with air cooling includes the inlet manifold (6), containing the plurality of input branch pipes (18), extending therefrom, the heat exchanger (4), connected to the output end of each of branch pipe and containing the inlet header (31), placed on the base frame with ability to move, the outlet manifold and the plurality of heat transfer tubes (34), connecting these two headers, and the connecting element (41, 75), connecting each adjacent pair of inlet headers. The inlet manifold, inlet headers and the connecting elements have a similar coefficient of thermal expansion so, that when the inlet manifold is subjected to thermal expansion, the corresponding thermal expansion of the inlet headers and connecting elements resulted in the inlet headers movement relative to the base frame to the distance, corresponding to the thermal expansion of the inlet manifold.EFFECT: in the heat exchanger system with pipe voltage air cooling, connecting the inlet main pipe of the inlet manifold and each heat exchanger, is minimized through the use of the simple structure.11 cl, 8 dwg
Heat exchanger element and method of its manufacturing // 2618736
FIELD: heating, ventilation.SUBSTANCE: invention relates to heat engineering and can be used for manufacturing elements of heat exchangers that enable the creation of enthalpy exchangers, wherein the efficiency factor of the tangible energy exchange and potential energy exchange can be varied and controlled, and especially improved, the method for manufacturing the heat exchanger elements comprising a) production of the plate element with defined outer dimensions and corrugations in the area of the inner boundary side, b) punching the plate in predetermined areas and with predetermined dimensions, c) filling the perforations with a polymer enabling the potential energy release and d) the polymer hardening.EFFECT: invention can be used for manufacturing the elements of heat exchangers with the increased tangible energy exchange and potential energy exchange factors.18 cl, 2 dwg

Device for the transformation of low-potential geothermal heat into electricity // 2618714
FIELD: electricity.SUBSTANCE: device for the transformation of low-potential geothermal heat into electricity contains a stack with airentrance windows at its base, a reception basin, a wind wheel connected to an electric power generator. On the circular base outside of the tower there are water-distributing system and irrigation ditch inclined pane topped with a roof that is installed above the airentrance windows. The water-distributing system is made in the form of an annular pipe with branch pipes located at the bottom of inclined planes, at the same time, the water sprayers are placed on so that the water drops fall from above on the inclined planes of the sprayer. The space between the base ring and the roof forms a heat exchange area between the warm water developed surface and the outer air current. Two horizontaly bridged wells are inserted into the unit, with the upper end of one of them connected to the ring pipe of the water distributing system through the supplemental pump, and the upper end of the other well connected to the reception basin through the valve, and connected to a fresh water source through the pump.EFFECT: introduced into the unit elements expand the area of the unit application.2 dwg

Chimney-type cooling tower fan system // 2618169
FIELD: power industry.SUBSTANCE: invention can be used for return water air cooling in the chimney-type cooling tower with the diffuser diameter 20…30…40 m, used in the heating and power stations, nuclear power plants and industrial plants. The chimney-type cooling tower fan system is designed as three-positioned, and has three identical fans, located in the diffuser area at the same level, uniformly along the circle in 120°. The fans consist of impellers, gear motors, stands for their layout. The diameter of the impellers dk does not exceed 0.46 of the diffuser diameter value Dd(dk<0.46Dd), and the diameter of the circle, at which the fan axis are located, does not exceed the difference of diameters Dd-dk. The impeller and the gear motor is mounted on the stand, have the common axis and connected by the coupling. Each such fan is mounted on the separate support, which is attached to the tower body by the beam channels.EFFECT: by applying three fan impellers in the fan system, the manufacture, assembly, installation and maintenance of the chimney-type cooling tower fan system is simplified.4 cl, 4 dwg

Treated coal production method and device // 2617690
FIELD: oil and gas industry.SUBSTANCE: invention discloses a treated coal production device comprising: a reservoir to store the slurry comprising containing moisture coal and oil; a heater heating the slurry supplied from the reservoir through heat exchange with high-temperature steam, and dehydrating the coal; gas-liquid separator removing spray, followed by the steam formed from the slurry by heating; a vapor compressor. The gas-liquid separator comprises one or more mist eliminator node located so that steam sequentially passes through them, and a spraying device spraying liquid onto the first mist eliminator through which vapor passes firstly; and a gauze filter removing the solid, followed by steam with removed spray.EFFECT: trated coal production is in high performance of spray removing by the first mist eliminator, reduced cleaning frequency.3 cl, 3 dwg, 1 tbl, 3 ex

Gas air cooler // 2617668
FIELD: power industry.SUBSTANCE: gas air cooler, consisting of the horizontally located heat exchange sections of the collector type, including the cooled gas supply and discharge chambers, containing the tubular plates with holes, where the finned tubes and the axial fan and diffuser ends are built-in. At least three deflectors of two types are rigidly mounted in the diffuser: S-shaped deflector for the heat exchanger center, consisting of two halves, forming two opposing centrally symmetric (relatively to the fan axis) the air intake channels, in each of which there are at least three adjustable rotating blades, mounted behind the air collector blades one over each other with the same pitch and the angle of the installation, and two blade deflectors for the peripheral part of the heat exchanger, mounted in the middle of the outmost heat exchangers, at that there is the window for ejecting the passive air flow from the fan central part at the bottom of each air intake duct after the rotating blades, and the rear wall of the air collector is made profiled to form the smooth entry of the airflow coming from the diffuser into the air intake outside the S-shaped deflector and providing the vertical outlet of the cooling air flow from the rotating blades inside the air intake.EFFECT: increase of the consumed air efficiency, passing through the heat exchanger sections of the gas air cooler and optimisation of the cooling air flows direction in the device diffuser center.2 cl, 5 dwg
Ejection device for cooling recirculating water // 2617653
FIELD: power engineering.SUBSTANCE: invention relates to power engineering and can be used in recirculating water supply systems of process equipment cooled with water. Ejection device for cooling process equipment cooling system recirculating water includes a housing with a vertical and a horizontal ejection channels equipped with nozzles and an air ejection well equipped in its upper part with demisters, a receiving tank connected via main lines, which include pumps with the process equipment cooling system, with the vertical ejection channel nozzle and with the horizontal ejection channel nozzle, herewith in the lower part of the housing there is a main line for water drain from the housing into the receiving tank, an additional ejection chamber with one or more nozzles inside it, with a demister in its upper part, and one or more air inlet openings in its lower part, nozzles arranged in the additional ejection chamber connected via the main line to the process equipment cooling system, in the lower part of the additional ejection chamber there is a main line for water drain from it into the receiving tank, which has a partition with a hole in the lower part separating the water drain zone into the receiving tank from the housing and the water drain zone into it from the additional ejection chamber, the air inlet openings of which can be equipped with forced air supply elements, in the bottom part of the receiving tank a water degassing device is installed, the ejection device behind the demisters accommodates a rotary windmill. Device is equipped with an additional main line connected, respectively, to the main line of recirculating water from the process equipment and a greenhouse complex of agricultural purposes for heating the sowing ground.EFFECT: invention enables to use low potential heat of recirculating water from process equipment for heating the sowing ground of a greenhouse complex of agricultural purposes at low ambient temperatures in autumn, winter and spring periods of the year, not only providing direct water cooling, but also allowing to create the required temperature conditions in the sowing ground to grow commercial agricultural products, as well as avoiding the use of a hot water boiler operating on gas or other types of fuel, and, as the result, eliminating harmful emissions into the environment with effluent into the chimney flue gases.1 cl, 1 dwg

Rotary heat exchanger // 2617514
FIELD: ventilation.SUBSTANCE: rotary heat exchanger containing a frame which is divided into two cavities by a partition, where the drum core supports are enshrined in. The drum is formed by tapes of corrugated aluminium foil wound tightly on the core with a pulley wheel of the V-belt drive installed on the drum core. The frame partition with the drum on it forms channels for supply and exhaust air. The corrugations of the aluminium foil tape of the drum are made in the section on the curve of the second and higher orders or of a polygonal shape both one-sided and two-sided, wherein the corrugation hollows in the previous layer of the tape fall on the top of the corrugation of the subsequent layer of the tape. The drum is formed by a tape wound on the core and gapped on the spiral of Archimedes, rigidly connected at both edges with the aluminium plates in the form of circular meshes or perforated circular discs linked to at least three spokes on each side rigidly coupled with the core. The gap between the side surfaces of the tape is filled with a disperse material having open pores and a high U-value, for example, keramzit gravel. The disperse material is of an unusual shape.EFFECT: increased efficiency of heat recovery of exhaust air in ventilation and air conditioning systems by increasing the U-value.7 dwg

Gasket and assembly // 2617264
FIELD: heating.SUBSTANCE: gasket (11) for placing on the heat exchanger plate (8) and the heat exchanger assembly is proposed. Gasket includes the circular section (52), disposed to enclose the opening (24) of the heat exchanger plate. The inner edge (56) of the gasket circular section forms the area (58), containing the reference point (80), coinciding with the central point (C) of the largest imaginary circle (82), which can be installed within the area. The gasket differs in the fact, that the area has a shape, formed by several angular points of an imaginary plain geometrical figure (72), from which at least one is displaced from the circle arc (92), and the same number of smoothly curved lines (74, 76, 78 ), connecting the angular points, from which the first angular point (66) of the angular points is located at the first distance (d1) from the reference point, the second (68) of the angular points is located at the closest distance to the first angular point in the clockwise direction and at the second distance (d2) from the reference point, and the third (70) of the angular points is located at the closest distance to the first angular point in a counterclockwise direction and at the third distance (d3) from the reference point.EFFECT: reduction of wear.6 cl, 5 dwg

eans for mount gasket fixing, gasket means, assembly for heat exchangers // 2617261
FIELD: heating.SUBSTANCE: means (40) for gasket fixing to the heat exchanger plate, gasket means (6) and assembly (2) for the heat exchanger. The fixing means is adapted to interact with edge portion (26, 28) of plate (4) of heat exchanger to fix gasket (38) on first side (8) of the heat exchanger plate. It comprises a first connecting element (42), a second connecting element (44) and a bridge (46). First part (48) of the first connecting element is configured to interact with the gasket, while second part (52) of the first connecting element is in interaction with the bridge. First part (50) of the second connecting element is configured to interact with the gasket, while second part (54) of the second connecting element is in interaction with the bridge. Fixing means is characterized in that it further comprises a plurality of fingers (60, 62, 64) formed between the first and second connecting elements. Corresponding connecting part (66, 68, 70) of each finger is in interaction with the bridge, and the fingers are arranged to extend from the gasket towards the gasket. At least one finger is arranged to interact with first side (8) of the heat exchanger plate and at least one of the fingers is arranged to interact with the second opposite side of the heat exchanger plate.EFFECT: reduced heat loss.17 cl, 8 dwg
 
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