Heat exchange in general (F28)
F28 Heat exchange in general(9487)
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
FIELD: heat exchange.SUBSTANCE: invention is intended for heat exchange and can be used in heat exchangers. Inner space of heat exchange elements is organized so that pairs of stamped shaped plates forming channels for flow passage are equipped with conical or spherical ledges on facing surfaces, and structured by roller welding for lengthening the path of passing a product along the inner space, for this purpose, alternating longitudinal welded seams, organizing multipath flow movement and forming a curved channel are being welded.EFFECT: technical result is wider range of technical equipment.1 cl, 2 dwg
FIELD: chemistry.SUBSTANCE: heat exchange unit (12) for treatment of carbon dioxide (CO2). Heat exchange unit includes housing (68), including inlet hole (72), outlet hole (74) and internal surface (76), which defines cavity (78) extending between inlet and outlet hole. Housing is configured to receive solid CO2 via inlet. At least one heat exchange tube (70) extends through housing. Heat exchange tube is located so that it stays in contact with solid CO2, to facilitate heat transfer from solid CO2 to fluid heat carrier, that is passed through heat exchange tube to facilitate conversion of at least part of solid CO2 into liquid CO2.EFFECT: heat exchange unit is configured for extraction of some amount of cold of solid CO2 and transfer of at least part of extracted amount of cold to fuel gas.10 cl, 7 dwg
FIELD: combined systems for heating and cooling.SUBSTANCE: invention relates to methods and devices for heating and cooling viscous materials, such as meat emulsion used for production of food and other products. Device is a heat exchanger containing the first plate connected with the second plate, as well as the first and the second spacers located between the first and the second plates. First plate, the second plate, the first spacer and the second spacer form at least one channel with controlled temperature intended for the product passing through the heat exchanger.EFFECT: disclosed is a device for heating and cooling viscous materials.24 cl, 8 dwg
FIELD: machine building.SUBSTANCE: invention relates to power engineering. In method of a chamber of an air cooling apparatus, two symmetrical welded seam are made on opposite sides of partitions 4, and chamfers are applied on lateral 1 and 2, upper and lower 3 walls, wherein prepared partitions and walls are assembled on clamping or back weld seams 5, for example, by means of welding under flux with feed of flux by special bar 6 moving along weld seam.EFFECT: simplified assembly of chamber.10 cl, 6 dwg
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used in heat exchangers with U-shaped tubes. Heat exchanger with U-shaped tubes comprises inlet pipes arranged on the pipe board of the inlet pipes being under neutral pressure, the heat carrier passes the inlet pipes to the U-shaped tubes arranged on the tube board, where the medium is divided into two flows and flows from both ends of the U-shaped tubes into the heat carrier outlet chamber and leaves the heat exchanger through an outlet branch pipe.EFFECT: technical result is providing considerable heat transfer, resistance to wear of materials and low pressure differential.13 cl, 2 dwg
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used in fluidized bed boilers. Proposed is heat exchanger (10) with a fluidized bed of fluidized bed boiler (12), herewith the heat exchanger comprises front wall (16) adjacent to the fluidized bed boiler, rear wall (18) opposite to the front wall, and two side walls (60, 60′), herewith the walls are formed as water-pipe panels, inlet hole (24) located in the first section of the upper part of the heat exchanger for supply of hot particles from the fluidized bed boiler into the heat exchanger, heat transfer surfaces (34) for heat extraction from the particles and outlet hole (36) located in the second section of the upper part of the heat exchanger for return of cooled particles as an overflow from the heat exchanger back into the fluidized bed boiler, where the heat exchanger includes partition wall (26) between first (38) and second (40) sections of the upper part of the heat exchanger, herewith the partition wall runs from the front wall to the middle section of the heat exchanger, and the partition wall is formed by bending the boiling pipes at least from one side wall (60, 60′) of the heat exchanger.EFFECT: technical result is reduction of the heat exchanger dimensions.11 cl, 2 dwg
FIELD: heat-and-power engineering.SUBSTANCE: invention relates to heat engineering and can be used for preoperation cleaning the inner surface of boiler tubes of thermal power plants (TPP) from deposits and for subsequent passivation of this surface. Method of preoperational cleaning the inner surface of boiler tubes from sediments involves blowing the tubes with superheated steam with dosaged delivery of a complexing agent in it. Contrast: as the complexing agent a complex polyamine compound (CPC) is used.EFFECT: achieved technical result of the invention is creation of a single serial technology of preoperation cleaning and passivation of inner surfaces of boiler tubes from atmospheric corrosion products providing higher efficiency of the process with reduction of corrosion losses to the rated value.1 cl
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used on heat exchangers of motor vehicles. Method for mounting air guide (2) on at least one heat exchanger (3), which includes a step of positioning air guide relative to at least one heat exchanger by translating air guide relative to at least one heat exchanger in first direction (91) at least substantially perpendicular to second direction (92) in which an air flow is intended to pass through at least one heat exchanger, followed by a step of rotating or swivelling air guide relative to at least one heat exchanger about an axis defined by third direction (93) at least substantially perpendicular to first direction and to second direction.EFFECT: technical result is providing tightness of cooling modules.11 cl, 31 dwg
FIELD: heat engineering.SUBSTANCE: proposed are heat-transfer plate (8) and plate heat exchanger (2) containing such heat-transfer plate. Heat-transfer plate has central extending plane (c-c) and contains first end area (28), heat transfer area (32) and second end area (30) arranged in series along longitudinal central axis (y) of the heat-transfer plate. Longitudinal central axis divides the heat-transfer plate into first and second halves (20, 22). First end area contains hole (34) of the inlet opening located in the first half of the heat-transfer plate, distributing area (42) and transition area (44). Transition area adjoins the distribution area along first boundary line (46) and heat transfer area along second boundary line (48). Distribution area has a distribution pattern of distribution projections (64) and distribution cavities (66) relative to the central extending plane, the transition area has a transition pattern of transition projections (84) and transition cavities (86) relative to the central extending plane, and the heat transfer area has a heat-transfer pattern of heat transfer projections (112) and heat transfer cavities (114) relative to the central extending plane. Transition pattern differs from the distribution pattern and heat-transfer pattern. Imaginary straight line (92) extends between two end points (94, 96) of each transition projection at the angle of α relative to the longitudinal central axis.EFFECT: said angle varies between the transition projections and increases in the direction from the first long side to the second long side.15 cl, 12 dwg
FIELD: energy.SUBSTANCE: reflux exchanger comprises two stages connected in series, herewith the first stage is shaped as a partial condenser with air cooling, and the second stage includes a bunch of generally horizontal smooth or finned tubes, which can be operated by choice either in dry air cooling mode or in wet evaporative cooling mode, herewith the partial condenser with air cooling is an A-shaped air-cooled condenser, with multiple finned tubes passing throughout the two opposite sides to create an A-shaped or an inverted A-shaped structure, and a bunch of horizontal tubes located at the center in the upper part of the condenser in case of the A-shaped structure and in the lower part of the condenser in case of the inverted A-shaped structure, and one or several fans intended to assist the ascending air flow in the heat exchange tubes and in the direction of the tubes bunch.EFFECT: invention allows to improve thermal characteristics during high ambient temperatures periods.13 cl, 8 dwg
FIELD: chemistry.SUBSTANCE: invention is intended for implementation of steam reforming reactions and can be used in chemical industry. Heat exchange reactor comprises multiple bayonet pipes (4), suspended from upper hood (2), extending to level of lower bottom (3) and enclosed in casing (1), having inlet (E) and outlet (S) pipes for flue gases. Heat exchange reactor comprises buttle of pipes of steam generator, formed by multiple vertical pipes (5), suspended from upper hood (2) and enclosed into peripheral space between inner partition (Bi) and vertical wall of casing (1). Inner partition (Bi) comprises a hole (Oi) for passage of flue gases from middle of reactor to peripheral space. Vertical pipes (5) are fed with water from lower distributor (9). Water-steam mixture coming out of vertical pipes (5), is collected in upper collector (7) located above upper hood (2). Lower line (14) connects liquid phase of separation reservoir (6) with upper collector (7). Upper line (13) connects upper collector (7) with steam phase of separation reservoir (6). Steam reforming is carried out at a rate of flue gases in peripheral space from 20 m/s to 80 m/s. Flue gases are fed into heat exchange reactor at temperature close to 1,200 °C, and exit it at temperature below 400 °C.EFFECT: invention improves heat efficiency of heat exchange reactor.7 cl, 2 dwg
FIELD: heat exchange.SUBSTANCE: invention relates to heat engineering and can be used in power engineering, petrochemical, food and other industries. Essence of the invention: the heat exchange element of the tubular heat exchangers, equipped with the tube sheets and heat exchange tubes, characterised by, that the heat exchange tubes after short technological straight portion are made along the spiral line of diameter corresponding to the place of tube inlet-outlet in the tube plates, and thermohydraulic characteristics of tubes in the direction from periphery to center are aligned by increase along the arc angle between the input/output of the tube, change of the tubes diameter by throttling, as well as a combination thereof, keeping the equality of ratio I/de.EFFECT: heat exchanger with proposed design of the heat exchange element enables to increase, without reducing reliability, thermal power up to 20 % and more relative to the heat exchangers with straight tubes at the same overall dimensions of the heat exchanger, increase the rate of heating-cooling, and it is comparable by heat power with spiral ones.1 cl
FIELD: pipes.SUBSTANCE: present invention relates to a heat exchanger pipe system for transporting viscous fluids, comprising a plurality of individual heat exchangers designed as pipe elements and having a predefined control temperature and/or pressure distribution along pipe system, and in cross-section of pipes, characterised by that heat exchangers which are in form of pipe elements are arranged at regular distances in pipe system, wherein regular distances are selected in such a manner that a predetermined temperature and/or pressure distribution is maintained, where in heat exchangers means are provided for supporting a certain temperature of viscous fluid transported in heat exchanger pipes, as well as optionally mixing elements so as to, depending on cross section of pipes, maintain predetermined temperature and/or pressure distribution in cross section of pipes, and where at least 30 % of length of heat exchanger pipe system is equipped with heat exchangers, as well as a method for transporting viscous fluids by means of heat exchanger pipes.EFFECT: transportation of viscous fluids.16 cl, 11 dwg, 2 tbl, 1 ex
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used for creation of high-efficiency small-sized heat exchangers. In heat exchange module, comprising hollow cylindrical housing confined by face end plates with holes for passage of a first medium via through channels inside housing and having in side wall near face end plates holes for inlet and outlet of a second medium, as well as adjacent to outer sides of face end plates closed cavities for supply and discharge of first medium, all adjacent channels for passage of first medium are interconnected by lengthwise ribs, dividing channel space into separate longitudinal channels for passage of second medium and having length, less than length of channels for passage of first medium to form annular chambers for accumulation of second medium, including holes in housing wall for inlet and outlet of second medium.EFFECT: technical result is providing maximum heat transfer with minimum dimensions of heat exchanger.3 cl, 2 dwg
FIELD: energy.SUBSTANCE: energy-extracting system with a device, which ensures heat exchange and moisture exchange between air flows through it, besides, this device has two or more multilayer composite structures, where the multilayer composite structure is a porous rigid or semi-rigid structure, having multiple holes passing from the first surface to the second surface, which can be corrugated, and polymer film containing sulphonated block-copolymer, attached at least to one of the first and second surfaces of the structure and covering the above multiple holes.EFFECT: proposed is a design of a system for energy extraction.38 cl, 19 dwg, 1 tbl
FIELD: energy.SUBSTANCE: splash grid comprises a support frame assembly and multiple generally parallel elements supported by the frame assembly, wherein each element has a transverse dimension, in plan view, not exceeding 3 mm, and a spacing, in a plan view, not exceeding 10 mm. Elements are made from molded plastic material that is optionally integral with the surround that forms the supporting frame assembly or is attached to the supporting frame assembly. Elements may be separately manufactured flexible filament or cord supported by a surround that forms or is attached to the supporting frame assembly. Elements are staggered in the vertical direction. Splash grid or splash grid assembly has gaps for the passage of larger objects through the splash grid or splash grid assembly without its clogging.EFFECT: invention allows to improve the thermal performance characteristics of a cooling tower.12 cl, 8 dwg
FIELD: electronics.SUBSTANCE: invention relates to a device for heat preparation and maintenance of thermal mode of the gear box (GB) and drive axle gear boxes. Heating system comprises a heat-insulated muffler-recuperator made in the form of a "pipe in pipe" heat exchanger. On the internal pipe of the muffler-recuperator there are holes for passage of exhaust gases from the outside into the pipe. Heat transfer tubes are also installed in the muffler-recuperator attached to each other with their end flanges by means of a welded joint in such a way, that cavities formed between the flanges of both sides of the muffler-recuperator interconnect inner cavities of the heat transfer tubes, GB and drive axles heat exchangers connected in parallel. GB heat exchanger is mounted on the inner side of the GB wall, and its shape is similar to the shape of the wall, while heat exchangers of the drive axles are mounted on the external part of the main gears crank chambers and are made similar to their shape.EFFECT: higher efficiency of heat preparation and maintenance of thermal mode of units is reached.4 cl, 3 dwg
FIELD: agriculture.SUBSTANCE: invention relates to devices in the field of agricultural machinery intended for drying of various materials, for example, grain, heating of rooms and other purposes, and can be used in heat exchangers or heat generators. Heat generator comprises a case, a fan, heated air pipe, heat carrier pipe, a confuser. On the end side of the case there is a fan installed. Inside the case there is a heat insulation. Inside the heat insulation there is the heated air pipe shaped as a spiral with blades welded inside. Inside the heated air pipe there is the heat carrier pipe installed concentrically. Heat carrier pipe is also shaped as a spiral. One more spiral is welded to the heat carrier pipe. Confuser is welded to the end part of the heat carrier pipe. Inside the confuser swirlers are mounted. Confuser is connected to the combustion chamber with a pressuriser fan, a pressuriser motor, an iris gate and a nozzle.EFFECT: technical result is increased efficiency factor at minimum dimensions and energy costs for moving heat exchange media.1 cl, 5 dwg
FIELD: oil industry.SUBSTANCE: invention relates to oil production and can be used for heating of high-viscosity and waxy oil directly in the well. Well heater comprises housing consisting of outer and inner walls, supply and discharge manifold with branch pipes installed coaxially with annular gap and forming a cavity for heating coolant. Besides, heater includes an additional heat exchange element made up of two cylindrical shells installed coaxially and connected to each other. Additional heat exchange element is installed in housing on pylons arranged at the ends of additional heat exchanging element. Wherein in the pylons there are channels for supply and removal of heating coolant.EFFECT: technical result is increasing efficiency of production of high viscous and paraffin oil.1 cl, 3 dwg
FIELD: oil industry.SUBSTANCE: invention relates to oil production and can be used for heating of high-viscosity and waxy oil directly in the well. Device for prevention of formation of paraffin and hydrate deposits in oil wells contains heat generator connected through suction and pressure pipelines of circulation pump to well heater, which is integral part of tubing string. Wherein heater is a housing consisting of outer and inner walls, mounted coaxially with annular gap and forming a cavity for heating coolant, supply and discharge manifold with nozzles, inside of which there is an additional heat exchange element. Additional heat exchange element is composed of two cylindrical shells installed coaxially and connected to each other. Wherein at the ends of additional heat exchanging element there are pylons, in which there are channels for supply and removal of heating coolant.EFFECT: technical result is increasing efficiency of production of high viscous and paraffin oil.1 cl, 4 dwg
FIELD: machine building.SUBSTANCE: invention relates to heat exchangers, wherein condensation of vapours in annular space is performed, and can be applied to chemical, petrochemical, and other industries. Disclosed is vertical shell and tube heat exchanger with condensation of vapours in annular space, on casing thereof are inlet and outlet of steam condensate, characterised by that steam inlet connection pipe is located in middle part of casing. When superheated steam is fed into middle part of apparatus, formation of cooling zone of vapors with dry surface of heat exchange tubes is ruled out, since condensate formed in upper part of apparatus, when flows down, wets heat exchange tubes along whole length.EFFECT: technical result is higher efficiency of heat exchange in heat exchangers operating with condensation of steam within annular space, saving energy resources, and also higher reliability of heat exchangers.1 cl, 1 dwg
FIELD: treatment plants.SUBSTANCE: invention relates to cleaning mechanical impurities and corrosion protection of inner surfaces of process equipment and pipelines, particularly at low temperatures, and can be used at industrial enterprises at start-up operations, scheduled repairs, at reconstruction and new construction. Method involves hydrodynamic removing deposits mode by means of jet cleaning device, flushing fluid supply to cleaning device under high pressure, generating jet exposure by forming jet flows of said fluid on surface to be cleaned, carry-over of flushing fluid flow with remote deposits at the forward direction of movement of the cleaning device on the surface to be cleaned and at the reverse direction of movement by means of reciprocal action mechanism. At the stage of deposits purification cleaning of surface from corrosion products tightly coupled with metal and scales with provision of corrosion protection of the surface to be cleaned is performed. Solution at a given components ratio is used as flushing fluid.EFFECT: technical result is high efficiency of cleaning process equipment and pipelines of various configuration with simultaneous antirust treatment at negative temperatures.14 cl, 3 dwg, 5 ex
FIELD: heat engineering.
SUBSTANCE: invention relates to heat engineering and can be used for sealing rotor in regenerative heat exchangers. Regenerative heat exchanger (1) with rotor (2) configured for rotation around axis (A) and heat transfer, at least one gas volume flow (V) passing through rotor (2), to at least one other volumetric gas flow passing through rotor (2) equipped with sealing system of rotor (2), sealing system of rotor (2) has on its end sides and pressed to it fixed radial seals (4) and arranged in circle on flanges (6) of rotor (2) seal (5) resting on flanges (6) by means of roller bearings (12).
EFFECT: seal of rotor in regenerative heat exchangers.
10 cl, 4 dwg
SUBSTANCE: invention relates to chemical cleaning of inner cavities of heat exchange equipment and can be used for cleaning of internal combustion engines cooling systems or other units from scale-corrosion deposits. Method includes washing treated cavity with flushing solution reagent at its temperature of 50-80 °C and periodic change of flow direction through cavity, wherein solution is used containing following component ratio, wt%: sulphamic acid is 2-5, EBC is 1-1.5, corrosion inhibitor is 0.1-0.2, water is balance. Then, flushing reagent solution neutralisation is conducted with alkaline solution and an anti-corrosion treatment by flushing with passivating solution.
EFFECT: method enables to avoid use of reagents, having negative impact on environment.
1 cl, 1 tbl
FIELD: heat exchange.
SUBSTANCE: invention relates to heat exchanger, in particular, supercharging air cooler, which includes at least, collector (2), which has bottom (3), besides, approximately perpendicular to bottom, at least one pipe (4) engages with extending from bottom (3) flanged extraction (10), which covers pipe end, wherein flanged extraction (10) has similar rectangle cross-section adapted to outer perimeter of pipe (4). To prolong service life of heat exchanger, even at further reduction of wall thickness of header bottom, as well as pipe wall thickness of flanged extraction (10) is thinned, at least in angular area (11).
EFFECT: disclosed is supercharging air cooler.
17 cl, 6 dwg
FIELD: agriculture.SUBSTANCE: invention relates to methods of processing vegetable, animal, sea raw material or mixtures thereof. Method of producing solid product and liquid product from vegetable, animal, sea raw material or their mixtures contains following stages: a) heating of fine starting material by direct addition of water vapour, b) separation of heated initial material into solid product and water, c) heating and pressuring up of aqueous fluid and d) reduction of pressure water with generation as result of water vapour and liquid product, in which water vapour generated at step d) is returned to step a) for insertion into fine starting material.EFFECT: method provides solution for extraction of additional water, arising in aqueous liquid due to condensed steam.24 cl, 10 dwg
FIELD: heat exchange.SUBSTANCE: invention relates to heat engineering and can be used in heat exchangers. In heat exchange tube with rounded grooves on outer surface and corresponding rounded protrusions with height h on inner surface, which are applied with pitch S, rounded recesses on outer surface and corresponding rounded protrusions on inner surface have angular size equal to 90°, and are located on opposite sides of pipe, wherein rounded protrusions and recesses turned at 90° are applied with pitch S/2, wherein pipe is made with geometrical ratios: S=1∗D, h=0.1∗D, where S is spacing between rounded recesses, mm; h is height of rounded protrusion, mm; D is outer diameter of heat exchange tube, mm.EFFECT: reduced power consumption for pumping heat carrier due to reduced hydraulic resistance, as well as high strength and reliability of pipe.1 cl, 2 dwg