1544results about "Stationary conduit assemblies" patented technology

An air-cooled adiabatic heat exchanger for cooling fluids having tube bundles for receiving hot process and rendering cooled fluid, operating in three or four modes. In a dry mode, heat is exchanged with dry air drawn through the tube bundles by fans. In an adiabatic mode, air entering the heat exchanger is adiabatically pre-cooled by water-saturated adiabatic pads, while the tube bundles remain dry. In an evaporative mode, the adiabatic pads remain dry, and the tubes are wetted with evaporative cooling water. In an optional fourth mode, both the adiabatic pads and the tubes are wetted.

A heat-transfer component defines a thermal-interface surface and has a composite thermal-interface material bonded to the thermal-interface surface. The composite thermal-interface material comprises a particulate filler material dispersed within a metallic carrier material having a solid-to-liquid phase-change temperature between about 60° C. and about 90° C. With a thermal-interface material bonded to the thermal-interface surface, the thermal-contact resistance between the thermal-interface material and the heat-transfer component can be reduced or substantially eliminated compared to conventional thermal-interface materials, including conventional metallic thermal-interface materials. The particulate filler material can have a higher bulk thermal conductivity than that of the metallic carrier material and can be wetted by the metallic carrier material, providing a bulk thermal conductivity of the composite thermal-interface material that is higher than that of the carrier material without the particulate filler material. Also disclosed are electrical devices having a heat generating component cooled by such a heat-transfer component.

The utility model provides a cooling plate and a battery pack. The cooling plate comprises a cooling pipe, at least one pipe joint and a sealing piece, at least one pipe joint is connected to one end of the cooling pipe so as to be communicated with the cooling pipe; and the sealing piece is arranged between the pipe joint pipe and one end of the cooling pipe. The utility model aims to solve the technical problems of higher cost and poorer sealing performance of the snake-shaped cooling plate in the related technology.

The invention discloses a refrigerant direct supply type frame type radiator, and belongs to the technical field of heating and ventilation equipment. The heat exchanger comprises a shell, an air inlet pipe, a liquid outlet pipe, heat exchange pipes, a middle fin set and a fixed frame module. A containing cavity is formed in the shell, the shell comprises two main panels, and main panel pipelines are distributed on the inner sides of the main panels; the air inlet pipe and the liquid outlet pipe are connected with the refrigerant input flow dividing valve body and the refrigerant output flow collecting valve body correspondingly, the heat exchange pipe and the middle fin set are fixed in a matched mode, and the fixing frame module is used for positioning the middle fin set. And a refrigerant is shunted to the main panel pipeline and the heat exchange pipe through the air inlet pipe and the refrigerant input shunting valve body, is converged and output through the refrigerant output converging valve body after releasing heat, and is output outwards through the liquid outlet pipe. The system has the advantages that refrigerant direct supply one-time heat exchange is achieved, energy is saved, consumption is reduced, heating is rapid, maintenance is avoided, the weight is low, the system meets the multi-scene heating requirement, and the system has remarkable popularization significance.

An evaporator includes a housing, a first heat exchange tube set, a second heat exchange tube set, a first side heat exchange tube baffle device, a second side heat exchange tube baffle device, and a redistribution device. The first heat exchange tube set is located above the second heat exchange tube set. The first side heat exchange tube baffle device and the second side heat exchange tube baffle device are arranged along the outer contours of the first heat exchange tube set and the second heat exchange tube set, so as to guide a refrigerant to flow from the first heat exchange tube set to the second heat exchange tube set. The redistribution device is disposed between the first heat exchange tube set and the second heat exchange tube set to evenly distribute the refrigerant to the second heat exchange tube set.

The embodiment of the invention provides a heat exchanger machining method and a heat exchanger. The heat exchanger machining method comprises the steps that a heat exchange pipe and a first pipe are assembled, the heat exchange pipe and the first pipe are connected, the heat exchange pipe is made of stainless steel, and the first pipe is made of stainless steel; welding the heat exchange tube and the first tube; the fins and the heat exchange tubes are assembled, specifically, at least part of the fins are installed between the adjacent heat exchange tubes, and the fins are made of aluminum or aluminum alloy; welding the heat exchange tubes and the fins; before the heat exchange tube and the fins are assembled, an aluminum material or a nickel material is arranged on at least one part of the surface of the heat exchange tube in a covering mode to form a coating. According to the machining method, welding of the heat exchanger is achieved, the welding reliability and the reliability of the heat exchanger are improved, and the heat exchanger has good corrosion resistance. The invention further provides the heat exchanger. The corrosion resistance of the heat exchanger and the heat exchange performance of the heat exchanger are improved.

The invention relates to the technical field of landfill leachate treatment, in particular to landfill leachate treatment equipment and method.The landfill leachate treatment equipment comprises an anaerobic tank and a water distribution pipe, and the water distribution pipe is arranged at the bottom in the anaerobic tank; the device further comprises a recovery device, an oxidation treatment device, a flocculation treatment device, a filtering device, a flow guide table, a flow guide inclined plate, two groups of circulating boxes and heat exchange pipes, the flow guide table and the flow guide inclined plate are respectively arranged at the upper part in the anaerobic tank, the two groups of circulating boxes are respectively mounted on two sides of the outer side wall of the anaerobic tank, and the plurality of groups of heat exchange pipes penetrate through the anaerobic tank and are communicated with the two groups of circulating boxes; the recovery device is communicated with the anaerobic tank and the two groups of circulating boxes, is used for recovering biogas generated in the anaerobic tank, and is used for heating the reaction temperature in the anaerobic tank by utilizing the biogas; ozone generated by the system can be conveniently combusted and heated, the medium-temperature anaerobic condition is achieved, the better anaerobic treatment effect is achieved, heating energy consumption is reduced, the degradation capacity of microorganisms to pollutants is enhanced, and the overall treatment effect is improved.

A heat generating device includes: a sealed container; a tubular body provided in a hollow portion of the sealed container; a heat generating element provided on an outer surface of the tubular body and configured to generate heat by occluding and discharging hydrogen supplied to the hollow portion; and a flow path formed by an inner surface of the tubular body and through which configured to allow a fluid that exchanges heat with the heat generating element to flow. The heat generating element includes a base made of a hydrogen storage metal, and a multilayer film provided on the base. The multilayer film has a first layer made of a hydrogen storage metal and having a thickness of less than 1000 nm, and a second layer made of a hydrogen storage metal, which is different from that of the first layer, and having a thickness of less than 1000 nm.

The present invention relates to a heat exchanger provided in consideration of cooling / heating performance. An object of the present invention provides a heat exchanger that adopts a variable path in consideration of cooling / heating performance to solve a problem in which cooling performance and heating performance vary depending on the number of paths. More specifically, another object of the present invention is to provide a heat exchanger that is designed to change the number of paths in consideration of cooling / heating performance so as to be optimized for performance in a cooling mode and performance in a heating mode.

A first heat exchanger (1) is provided with a heat exchanger body (11) that forms a first heat medium flow path (10) through which heat medium (M) flows. Similarly, a second heat exchanger (2) is provided with a heat exchanger body (21) that forms a second heat medium flow path (20) through which the heat medium (M) flows. The heat exchanger bodies (11, 21) are buried in the ground. The heat exchanger body (11) is configured from an aluminum-alloy extruded material. The heat exchanger body (21) is configured from an aluminum-alloy sheet metal material.

[Problem] The purpose of the present invention is to reduce variation in flow velocity in a heat exchanger. [Solution] This heat exchanger is provided with a core and tanks provided on the upstream side and the downstream side of the core, and is provided with a plurality of heat exchange modules arranged in the thickness direction of the core, and a manifold (5) positioned on the upstream side of the plurality of heat exchange modules. The manifold (5) is provided with a hub part (10) having an opening part (11) provided on one side in the thickness direction of the core, and a plurality of pipe parts (20) branching from the hub part (10) and connected to the plurality of tanks positioned on the upstream side. On a flow path (13) between the opening part (11) and one of the pipe parts (20) closest to the opening part (11), the hub part (10) has a large cross-section part (14) having a cross-sectional area larger than that of the opening part (11). Boundary parts (20B) between the hub part (10) and the plurality of pipe parts (20) get closer and closer to a tank (4) toward the other side in the thickness direction. [Selected drawing] FIG. 3

To improve flow dividing performance of a heat exchanger unit comprising a flow dividing passage.SOLUTION: A flow dividing passage (70) includes: an inflow passage (71) extending in a second direction along a vertical direction; a flow dividing space (80) to which an outflow port (O) of the inflow passage (71) is connected; and a plurality of outflow passages (91, 92, and 93) comprising inflow ports (I1, I2, and I3) connected to the flow dividing space (80) respectively, and extending in the second direction. A plurality of plates (P) include a plurality of flow dividing plates (FP2, FP3, and FP4) in which plate spaces (81, 82, and 83) are formed respectively, and which is adjacent to each other in a first direction. The flow dividing space (80) is formed in such a manner that the respective plate spaces (81, 82, and 83) of the plurality of flow dividing plates (FP2, FP3, and FP4) are continuous in the first direction.SELECTED DRAWING: Figure 8

The present invention relates to a heat exchanger configured with a distribution device of the cooling fluid at several vertical levels into a tube bundle suitably organized in groups of tubes insisting on such vertical levels.

A heat exchanger comprises a pipe connection structure consisting of a first coupling element and a second coupling element. The first coupling element includes a through-hole formed through it, and the second coupling element includes a blind hole formed within it. A distribution tank comprises a first tank chamber aligned with the through-hole of the first coupling element and a second tank chamber aligned with the blind hole of the second coupling element. The through-hole provides a fluid connection between the interior of the pipe connection structure and the first tank chamber, while the second coupling element forms a fluid barrier wall at one end of its blind hole, preventing fluid communication between the interior of the pipe connection structure and the second tank chamber via the second coupling element.

Systems and methods for thermal management using matrix coldplates are disclosed. One illustrative method may comprise directing a flow of coolant through a coldplate comprising a plurality of parallel passages by selectively connecting portions of the parallel passages to one another to create one or more regions of parallel flow, serial flow, or blocked flow in the coldplate. Selectively connecting portions of the parallel passages may comprise machining a plurality of transverse passages into the cold plate such that each of the transverse passages intersects at least some of the parallel passages. Valves may be installed to interact between the parallel and transverse passages to create and modify the different flow regions.

The present disclosure provides a heat exchanger (100) for a heating, ventilation, and / or air conditioning (HVAC) system (30), the heat exchanger comprising: a header (106) having a longitudinal axis (160); a first plurality (114) of microchannel tubes (102) coupled to the header (106), wherein each microchannel tube (102) of the first plurality (114) of microchannel tubes (102) has a first width (150); and a second plurality (116) of microchannel tubes (102) coupled to the header (106), wherein each microchannel tube (102) of the second plurality (116) of microchannel tubes (102) has a second width (152) that is greater than the first width (150).

The utility model belongs to the technical field of heat exchangers, particularly relates to an assembly type heat exchange device with multiple heat exchange units, and solves the problems that the heat exchange units are inconvenient to connect, disassemble and assemble and unstable in connection. The assembly type heat exchange device with the multiple heat exchange units comprises at least two plate-shaped heat exchange units which are arranged in a stacked mode, each heat exchange unit comprises a dry cooler and a condenser, mounting supports are arranged on collecting pipes of the heat exchange units, the mounting supports on the same side are detachably fixed to a connecting plate, and the connecting plates are connected with the heat exchange units. And a reinforcing structure is detachably arranged between the side plates of the adjacent heat exchange units. The effect that connection between the heat exchange units has flexible detachability and stable strength is achieved.

A heat exchanger includes a microtube defining a lumen and including a plurality of dimples configured to cause a turbulent flow of a fluid within the lumen of the microtube. The microtube has an outer diameter equal to or less than 5 mm.

An integrated cooling module includes a plate-shaped manifold and multiple cooling components mounted thereon. The manifold includes stacked first and second plates that form a first refrigerant channel recessed along a line structure of the first plate, while the second plate provides a flat sealing surface. A third plate can be further stacked to form a second refrigerant channel, and through-holes in the second plate allow communication between channels. Ports formed in the plates enable direct connection with external components. A condenser, chiller, expansion valve, pressure / temperature sensor, and an accumulator may be mounted on the manifold, which is arranged perpendicular to a bottom surface.

A metallurgical furnace 10 comprises a fluid-cooling system 40 for a first part 42 of the furnace below a taphole 16. The fluid-cooling system comprises a conduit 44 that is in heat exchanging relationship with the first part 42. The conduit 44 has an inlet 46 and an outlet 48. A suction pump 50 creates a negative pressure within the conduit 44. The pump has an inlet 52 that is in fluid flow communication with the outlet 48 of the conduit and an outlet 54 for discharging pressurised cooling fluid from the pump. A cooling fluid reservoir 56 has an inlet 58 and an outlet 60. The pump 50 draws the cooling fluid 47 from the cooling fluid reservoir 56 through the inlet 46 of the conduit 44 and out the outlet 48 of the conduit in order to transfer heat from the first part 42 of the furnace to the cooling fluid that flows through the conduit.

A heat exchanger for heat exchange between a first fluid and a second fluid includes a first manifold, a second manifold spaced apart from the first manifold, a plurality of flat tubes, and a bottle. The second manifold is substantially parallel with respect to the first manifold. The plurality of flat tubes is stacked between the first manifold and the second manifold. The plurality of flat tubes is configured to provide the fluidal communication between the first manifold and the second manifold. The bottle is fluidly connected to the first manifold and includes at least one passage for the fluid. The heat exchanger includes a first block and a second block, both first and second blocks are fluidly connected to the first manifold), and at least one third block fluidly connected to the first manifold or the second manifold.

A power distribution system for an aircraft, comprising a plurality of electric propeller units (EPUs), includes a first paired battery pack unit comprising a first battery electrically connected to a second battery via a first high voltage bus. The first and second batteries are configured to provide power to respectively first and second sets of EPUs of the plurality of EPUs. The system includes a second paired battery pack unit comprising a third battery electrically connected to a fourth battery via a second high voltage bus. The third and fourth batteries are configured to provide power to respectively third and fourth sets of EPUs of the plurality of EPUs. The first high voltage bus and the second high voltage bus are electrically separate from one another.

A vehicle-mounted heat exchanger (100) includes a heat exchanging unit (108) comprising a plurality of plate fins (101) which are plate-shaped and are disposed parallel to one another, and a plurality of tubes (102) which penetrate through the plurality of plate fins and through which a refrigerant flows. If a refrigerant flow passage through which the refrigerant flows in the heat exchanging unit is defined as a path (110 to 150), the plurality of tubes form at least one path. A most downstream tube (121, 141) positioned most downstream, in the refrigerant flow, within the at least one path is disposed on an airflow most downstream side of the heat exchanging unit in an airflow direction parallel to a surface direction of the plurality of plate fins.

To improve pressure resistance.SOLUTION: A heat exchanger includes a plurality of flat tubes (28), fins (29), and a header. The plurality of flat tubes are arranged in a first direction. The fin is joined to the flat tube. Flat tubes are connected to the header. The header includes a first member and a second member. The first member has a first opening. The flat pipe is inserted into the first opening. The second member is stacked on the fin side of the first member in a second direction in which the flat tubes extend. The second member has a second opening. The second opening is along an outer edge of the flat tube. The first opening has a first region (321) and a second region (322). The first region has a length in the first direction shorter than a predetermined length. The second region is longer than the predetermined length.SELECTED DRAWING: Figure 7

This invention provides an apparatus for heat exchange comprising a plurality of fins, and a heat transfer coil in the form of a plurality of oblong sectional tubes being arranged in a single array. The fins are arranged along a longitudinal portion of the oblong sectional tubes substantially perpendicularly for guiding incoming convective fluid towards all the oblong sectional tubes for heat exchange to be performed thereupon. Furthermore, the oblong sectional tubes of the heat transfer coil each has a substantially rectangular cross-section with round edges, or oval or elliptical cross-section, and are operable to be installed with a tilt angle for them to be tilted with a major axis of the oblong sectional tube being in respect to a direction of the incoming convective fluid flowing through the heat transfer coil. A related system and method involving the apparatus are further described.

To appropriately mount a heat exchanger to a mounted place, such as a car body even if a positional relationship of a number of aligned tubes or the like is maintained by bringing a restraint tool into contact with the outside of a side plate when collectively brazing the heat exchanger made of an aluminum material.SOLUTION: A heat exchanger includes: multiple tubes through the interior of which a heat medium flows; a pair of headers extending along a lamination direction of the multiple tubes and each connected to either end of the tubes; and side plates that are provided at both ends in the lamination direction of the multiple tubes while the ends are connected to the headers. The side plates each have a clamping part clamped to a clamped member while being separated from a connection place to the corresponding header by a predetermined distance, the clamping part has a first insertion hole and a second insertion hole for inserting a clamping tool along the longitudinal direction of the side plate, and the second insertion hole has a larger diameter than the first insertion hole.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of radiator structures, and discloses a radiating area adjustable structure of a heat supply radiator, which comprises a heating medium inlet pipe, a modularized radiator, a first three-way valve and a second three-way valve, and the other end of the heating medium inlet pipe is connected with a filtering assembly through a flange, the modular radiator comprises two vertical supporting plates, and a plurality of heating pipes are fixedly connected between the two vertical supporting plates. The first three-way valve and the second three-way valve are matched with the backflow pipe, the three-way pipe, the double-end pipe and other parts, the heat supply area can be flexibly adjusted, when the second three-way valve is operated to close channels at the two ends and connect the heat supply pipe at the left end and the second backflow pipe, high-temperature media do not circulate in the group of modularized radiators on the rightmost side, and the heat supply area is reduced; if the first three-way valve continues to be operated to close the channels at the two ends, the left heat supply pipe and the first backflow pipe are connected, and the heat supply area can be further reduced.

Disclosed is a battery-cooling heat sink provided with a PCM capsule. The battery-cooling heat sink has ability to uniformize the temperature of a cooling fluid flowing through a battery module using a PCM capsule, thereby solving a problem with a conventional heat sink in that the temperature of a cooling fluid flowing through the heat sink is not uniform. Further disclosed is a battery module including the same heat sink. The heat sink and the battery module have an effect of minimizing a temperature variation of the cooling fluid over the entire area of the heat sink formed in the battery module, and an effect of preventing the temperature at a cooling fluid outlet of the heat sink from being higher than that of a cooling fluid inlet.

The application provides a cooling device of a cloth bag dust collector and belongs to the technical field of cloth bag dust collectors. The cooling device of the cloth bag dust collector comprises a base and a dust collector body, the dust collector body is fixedly connected to the base, the lower end of the dust collector is provided with an air inlet pipeline, the upper end of the dust collector body is provided with an air outlet pipeline, the base is fixedly connected with a cooling box, the cooling box is provided with a conveying channel, one side of the cooling box is fixedly connected with a gas feeding pipe, the gas feeding pipe is communicated with one end of the conveying channel, the other end of the conveying channel penetrates through the side wall of the cooling box and is communicated with the other end of the air inlet pipeline, and the dust collector body is provided with a sealing assembly capable of sealing the other end of the air inlet pipeline. The application has the advantages that the conveying channel is a multi-section U-shaped pipe, the dust-containing gas has a longer cooling time in the cooling box, and the cooling effect is better; and the cooling air of the cooling fan is mixed with the dust-containing gas through the fan blades, so that the temperature of the dust-containing gas is reduced.