2854results about "Heat transfer modification" patented technology

A fairing assembly 10 installed about a heat exchanger, such as a radiator R, to reduce the drag on the vehicle, comprising: a frame installed about the heat exchanger, the frame having a curved contour; a panel mounted in the frame, the panel and fairing assembly defining an air passage for air flow to the heat exchanger; a cover installed in the frame and movable to control air flow through the passage to the heat exchanger; and, moving means for moving the cover over the frame to expose a portion of the opening and allow air to flow into the heat exchanger, the frame and cover thereby reducing the amount of drag on the vehicle while still allowing air flow into the heat exchanger; wherein the panel comprises a first overlapping part and a second overlapping part; and wherein the first overlapping part is moveable from an extended position to a retracted position when the fairing is impacted.

A liquid cooled heat exchanger includes first and second heat exchange chambers that are in thermal communication. The first heat exchange chamber is downstream of the second heat exchanges chamber and receives heat from a heat generating device, such as an electronic circuit. Heat in the first heat exchange chamber can be transferred to the second heat exchange chamber to increase the temperature of a subcooled liquid working fluid in the second heat exchange chamber. This can render a pressure drop across the heat exchanger that is relatively insensitive to a fraction of liquid that is vaporized in the first heat exchange chamber.

An air / oil heat exchanger arranged in a vein. The exchanger includes internal parietal corridors and / or external parietal corridors and central corridors, the radial height of the internal and / or external parietal corridors increasing from the inlet of the exchanger to its outlet.

The invention discloses a vibration type battery liquid cooling device and a method thereof.The vibration type battery liquid cooling device comprises a sealing box body containing cooling liquid, a battery, a temperature adjusting assembly, a water pump, a vibration assembly and a controller, a gas cavity is formed between the upper surface of the cooling liquid and the inner top wall of the sealing box body, and the battery is detachably installed in the sealing box body and immersed in the cooling liquid; the temperature adjusting assembly is arranged on the inner wall of the sealing box body, the vibration assembly is arranged at the bottom of the outer side of the sealing box body, a water inlet and a water outlet lower than the water inlet are formed in the two sides of the sealing box body respectively, and the water inlet and the water outlet are connected with the water pump through pipelines respectively to form a circulating water path. The controller is in signal connection with the temperature adjusting assembly, the water pump and the vibration assembly. On the basis of circulating water cooling of a traditional battery, vibration generated by the vibration exciter installed below the sealed box body promotes instability of a temperature boundary layer in cooling liquid, the convection heat exchange efficiency of flowing is improved along with enhancement of vibration strength, and the cooling efficiency is improved.

The invention relates to a cooling device for cooling an electrical and / or electronic assembly (2), said cooling device comprising: a top plate (3) and a bottom plate (4), the bottom plate (4) being a deep-drawn component having a depression (40), the top plate (3) and the bottom plate (4) being arranged such that, due to the depression (40) a cooling channel (5) is formed between the top plate (3) and the bottom plate (4), the top plate (3) and the bottom plate (4) being connected to one another at a contact region (8) outside the depression (40), it being possible for a cooling fluid flow of a cooling fluid to flow through the cooling channel (5) along the longitudinal direction (11), the cooling device (1) also comprising at least one turbulator (6) that is arranged inside a turbulator section (56) of the cooling channel (5). According to the invention, a turbulence portion (61) for generating local turbulence in the flow of the cooling fluid and a blocking region (62) for locally blocking the flow of the cooling fluid are formed on the turbulator (6).

The invention relates to the technical field of smoke exhaust waste heat recovery devices, and discloses a waste heat utilization and recovery device and method applied to boiler combustion smoke, and the waste heat utilization and recovery device applied to the boiler combustion smoke comprises a bottom frame, and a heat absorption mechanism, a middle section partition plate and a heat release assembly which are fixedly mounted at the top of the bottom frame in sequence; through the arrangement of the heat buffering assembly, when the temperature of smoke is high, the heat absorbing fins can absorb part of heat and conduct the heat to the medium storage cavity, a medium in the medium storage cavity absorbs the heat to be evaporated into gas, and the gas is filled with an inflatable heat conduction film through a gas flowing cavity; the inflatable heat conduction film is expanded to store the gaseous medium, the gaseous medium is dissipated when the smoke temperature is low, the gaseous medium is condensed into liquid after heat dissipation, then the liquid is absorbed by the liquid absorption core plate and returns to the medium storage cavity, and therefore heat transfer and buffering are facilitated, and damage of thermal shock to device parts is reduced.

The invention provides a heat exchanger with an internal bypass function, belongs to the technical field of refrigeration equipment, and solves the problems that in the prior art, in order to meet the low-pressure-drop requirement of high-viscosity fluid, a plate heat exchanger has to increase the number of runners and reduce the flow speed of the fluid; and the heat transfer performance of the plate heat exchanger is greatly abundant, the cost is high, and the size is large. The heat exchanger with the internal bypass function comprises a sealing plate and a bottom plate, multiple layers of heat exchange plates are arranged between the sealing plate and the bottom plate and used for heat exchange between a refrigerant and liquid, a bypass liquid inlet is fixedly formed in the sealing plate, and a bypass liquid outlet matched with the bypass liquid inlet is fixedly formed in the bottom plate. And a plurality of closed flow channels are formed between the adjacent heat exchange plates through the convex structures and the concave structures. The method has the advantage that the cost of the plate heat exchanger can be reduced.

The invention discloses a waste heat recovery system which comprises a heat exchange module, a control module, a thermoelectric conversion module, a pollutant recovery module, a pretreatment module and a carbon dioxide conversion module. The heat exchange unit comprises a heat exchanger and the like, a smoke inlet is connected with a boiler, and the heat exchanger recovers waste heat. The control unit is provided with a sensor group, a microprocessor and a controller, the sensor group comprises various sensors for detecting smoke related information, and the controller is provided with a self-adaptive learning module and a fault prediction subunit. The thermoelectric conversion module is connected with the heat exchange unit, and a heat dissipation structure is arranged in the thermoelectric conversion module. The carbon dioxide conversion module has a reactant supply unit. The heat exchange unit further comprises a heat storage subunit and the like. The device has the advantages that the heat exchange efficiency is improved through the heat exchange pipeline with the self-adaptive pipe diameter, the cost is reduced through the modular design, maintenance is convenient, the operation stability is improved through the controller function, and multi-stage energy utilization and carbon dioxide resource utilization are achieved through the thermoelectric conversion and carbon dioxide conversion module.

The utility model relates to the technical field of air compressor heat recovery, and discloses a heat recovery pipeline device for a screw air compressor, which comprises a bottom plate, a shell and an air compressor main body, the shell is fixedly connected with the bottom plate, a support seat is arranged on one side of the shell, the air compressor main body is mounted at the upper end of the support seat through a fastener, and the air compressor main body is fixedly connected with the bottom plate. According to the air compressor, heat generated during working of the air compressor body is transmitted to the multiple sets of heat conducting fins below through the heat conducting blocks, and then the heat is effectively transmitted to gas passing through the spiral pipe through the multiple sets of heat conducting fins; then heated gas enters a heat conduction coil pipe through a conveying pipe and a gas inlet pipe, a motor drives a stirring column to rotate through an output shaft, multiple sets of stirring blades on the stirring column stir water, under cooperation of a plurality of threaded groove holes, flowing of the water in the water storage tank is accelerated, the water is fully heated, and the recovery efficiency is improved.

The invention discloses a gas-fired boiler flue gas waste heat recovery device and method. The gas-fired boiler flue gas waste heat recovery device comprises a waste heat recovery assembly, and the waste heat recovery assembly comprises a recovery box, a communicating pipe, a driving motor, a transmission rod, a transmission gear, a rotating disc, a gear ring, a stirring plate and a mounting shaft; and a first heat exchange chamber, a second heat exchange chamber and a third heat exchange chamber are formed in the recycling box. Water in the first heat exchange chamber exchanges heat with high-temperature flue gas in the first heat exchange pipe, the temperature of a water source in the first heat exchange chamber rapidly rises, and then a water source in the second heat exchange chamber and a water source in the third heat exchange chamber exchange heat with the flue gas; by arranging the three heat exchange pipes and the three heat exchange chambers, circulation of a water source is achieved through the conveying pump, under the condition that a heat pump is not added, the waste heat recovery efficiency of smoke can be improved, by arranging the water source stirring mechanism, the water source can make full contact with the heat exchange pipes, and then the heat exchange effect of the heat exchange pipes is improved.

Passive cooling article (120) includes a plurality of first elements (122) defining a high absorbance in the atmospheric window wavelength range and defining high average reflectance in the solar wavelength range and a plurality of second elements (124) defining a low absorbance in the atmospheric window wavelength range and defining high average reflectance in the solar wavelength range, wherein the plurality of first (122) and second (124) elements are interspersed to form a major structure having a first major surface (130) comprising the first element outer surfaces (126) and the second element outer surfaces (128), wherein the first element outer surfaces (126) face a first direction toward a first end region (136) of the major structure (130) and the second element outer surfaces (128) face a second direction toward a second end region (136) of the major structure. The article (120) may be applied to a substrate (104), for example, on a generally vertical surface of a vehicle or stationary structure.

In some examples, a heat exchanger includes a first flow channel having a first flow channel inlet and a first flow channel outlet. The heat exchanger also includes a second flow channel having a second flow channel inlet and a second flow channel outlet. A fin may separate the first flow channel from the second flow channel. The fin may define at least one aperture configured to allow fluid to flow between the first flow channel and the second flow channel if one of the first flow channel inlet or second flow channel inlet becomes constricted through a buildup of foreign object debris.

The utility model discloses a spoiler with a high disturbance rate. The spoiler comprises a spoiler body and a blocking part, a plurality of circulation parts penetrating through the spoiler body are arranged in the length direction of the spoiler body, each circulation part comprises two circulation assemblies which are symmetrically arranged, and each circulation assembly comprises a first circulation groove and a second circulation groove; and the multiple blocking parts are sequentially arranged on the two sides of the multiple circulation assemblies in a left-right crossed mode, each blocking part comprises a left blocking piece and a right blocking piece, the left blocking pieces extend outwards along the side walls, inclined to the left lower portion, in the first circulation grooves, and the right blocking pieces extend outwards along the side walls, inclined to the right upper portion, in the second circulation grooves. The first blocking piece and the second blocking piece are arranged on the circulation assembly, the first blocking piece and the second blocking piece extend outwards along the left-lower-inclined side walls and the right-upper-inclined side walls of the first circulation groove and the second circulation groove respectively, and water flow can roll up and down and rotate and disturb when sufficiently disturbed left and right. The heat absorption performance of water flow is improved.

A heat exchanger according to the present invention includes plates each having, at one side thereof, an inlet port into which a fluid is introduced, and a first junction port having a periphery protruding upward, and having, at the other side thereof, an outlet port from which the fluid is discharged, and a second junction port having a periphery protruding upward, and a heat dissipation fin seated on an upper surface of the plate and having at least one non-heat dissipation fin portion formed by cutting a predetermined region of the heat dissipation fin in a direction parallel to a direction from one side to the other of the plate, in which the heat dissipation fin may be inserted between the pair of stacked plates.

The invention provides an electronic-grade hydrofluoric acid rectification heat exchange device, and relates to the field of heat exchange devices.The electronic-grade hydrofluoric acid rectification heat exchange device comprises a cold recovery box, the surface of the cold recovery box is provided with a hot backflow pipe and a hot circulation box, a plurality of mass transfer boxes are arranged above the cold recovery box, a plurality of mass transfer bottles are fixedly connected to the interiors of the mass transfer boxes, and the tops of the mass transfer boxes are fixedly connected with a top plate; a plurality of adjusting holes are uniformly formed in the surface of the top plate, adjusting boxes are arranged in the mass transfer boxes, high-corrosion-resistance air bags are symmetrically arranged on the surfaces of the adjusting boxes, adjusting blocks are arranged in the adjusting boxes, rotating pipes are arranged in the mass transfer bottles, and stirring paddles are arranged on the surfaces of the rotating pipes. The efficiency and the stability of the hydrofluoric acid rectification heat exchange device are improved, the adaptability of the device to the production scale and different raw materials is improved, and the energy consumption is reduced.

The invention relates to the field of hydrogen energy storage and supply, and discloses a heat storage system for a hydrogen supply and storage system, comprising: a storage and supply integrated water tank for storing waste heat generated by a fuel cell generator set; the waste heat recovery side water pump is used for conveying waste heat of the fuel cell generator set to the storage and supply integrated water tank; the user water supply side water pump is used for extracting heat from the storage and supply integrated water tank and supplying the heat to rear-end users; the pipeline and valve group is used for connecting all the parts and adjusting the flowing direction and flow of heat; the gradient utilization module is used for graded utilization of waste heat generated in the hydrogen supply and storage process; and the collaborative conversion module is used for carrying out collaborative conversion and storage among the energy sources. An energy demand is predicted by applying a deep hydrogen energy storage and supply Q hydrogen energy storage and supply network algorithm, an optimization model is constructed in combination with equipment operation constraints, equipment is accurately regulated and controlled, and the energy demands are respectively used for power generation, refrigeration, heating and industrial production according to waste heat temperature differences, so that flexible distribution of waste heat is realized.

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 invention discloses a spiral steam conduction oil heat exchange device. A heat exchange shell comprises an oil inlet cavity, an oil outlet cavity and a heat exchange cavity arranged between the oil inlet cavity and the oil outlet cavity, and the heat exchange cavity is independent of the oil inlet cavity and the oil outlet cavity; the oil inlet cavity and the oil outlet cavity are provided with a heat conduction oil inlet and a heat conduction oil outlet respectively, a steam inlet and a steam outlet are formed in the two ends, in the reverse flow direction of heat conduction oil, of the heat exchange cavity respectively, the threaded heat exchange pipe comprises a heat exchange section located in the heat exchange cavity and an oil inlet section and an oil outlet section which are communicated with the two ends of the heat exchange section, and a spiral groove is formed in the outer surface of the heat exchange section. A spiral protrusion is correspondingly formed on the inner surface of the heat exchange section, the oil inlet section and the oil outlet section extend out of the heat exchange cavity and communicate with the oil inlet cavity and the oil outlet cavity correspondingly, heat transfer is enhanced by disturbing a heat conduction oil boundary layer through the spiral protrusion and the spiral groove, and meanwhile the spiral groove located in the outer surface of the heat exchange section is used for increasing the steam side heat exchange coefficient. Therefore, a traditional boiler system can be replaced, safety is remarkably improved, maintenance cost is reduced, and the service life of heat conduction oil is prolonged.

The invention relates to the technical field of air compressor waste heat recovery, in particular to an efficient and energy-saving air compressor waste heat recovery device which comprises an air compressor body and a waste heat recovery assembly arranged on one side of the air compressor body. A cooling oil pipe is arranged in an inner cavity of the heat exchange pipe, steam turbine fan blades are arranged above the heat exchange pipe at intervals, and conveying units for achieving cooling water supplement through creeping transportation are arranged above the steam turbine fan blades at intervals. The cooling oil pipe has the beneficial effects that through the design of the convex blocks on the surface of the spiral plate in the cooling oil pipe, oil is forced to generate high-turbulence motion, and the heat conduction time is prolonged; meanwhile, a turbine fan blade is arranged to drive a spiral guide plate to rotate at a high speed in a heat exchange pipe, cooling water is pushed to form spiral turbulent flow, a temperature boundary layer of static heat exchange is thoroughly broken, a paraffin sealing bag and a silicon rubber plate in a steam guide pipe form a self-adaptive temperature control combination, and the opening degree of a steam channel can be adjusted in a self-adaptive mode.

The present invention relates to a header tank provided in a heat exchanger having a two-row structure in which core parts are provided in two rows, and to a header tank having a structure in which a first tank is coupled to a header, and a second tank is coupled to be spaced apart from the first tank at a predetermined interval, such that condensate water condensed on surfaces of the core parts may be discharged between the first tank and the second tank, thereby satisfying all of pressure resistance of the header tank, temperature distribution of the core parts, and cooling performance of the heat exchanger.

The present invention relates to a heat exchanger assembly and a water heater comprising same, wherein the heat exchanger assembly comprises a heat exchanger unit provided with an inlet for introducing a fluid and an outlet for discharging the fluid, and the heat exchanger unit may comprise: a first plate; a second plate disposed on one surface side of the first plate to define, together with the first plate, an internal space in which the fluid introduced through the inlet moves toward the outlet; a heat generation member coupled to at least one of the first plate and the second plate and provided to provide heat into the internal space; and a guide part disposed in the internal space and provided to guide the fluid introduced through the inlet toward one plate, to which the heat generation member is coupled, of the first plate and the second plate.

A heat sink system includes: a container including a cavity; a housing connecting to the container to cover the cavity, wherein one or more of the container or the housing includes an inlet port, and one or more of the container or the housing includes an outlet port; and a cooling module in the cavity between the container and the housing, the cooling module in a flow of coolant from the inlet port to the outlet port, wherein the cooling module includes: first cooling fins with a first cooling fin geometry, and second cooling fins with a second cooling fin geometry, wherein the first cooling fins are upstream of the second cooling fins along the flow of coolant from the inlet port to the outlet port.

The utility model relates to the technical field of lecithin drying, and discloses a novel lecithin dryer which comprises a tank body and a stirring shaft arranged in the tank body, the part, extending into the tank body, of the stirring shaft is connected with a plurality of stirring blades, and the part, upwards extending out of the tank body, of the stirring shaft is in sealed connection with the stirring shaft through an organic sealing structure. The mechanical seal structure comprises a movable ring piece and a static ring piece which are arranged outside the stirring shaft, the movable ring piece is fixedly connected with the stirring shaft, the static ring piece is fixedly connected with the tank body, and the upper end face of the static ring piece abuts against the lower end of the movable ring piece; a lubricating channel is formed in one side of the movable ring piece and one side of the static ring piece, and a water absorption piece used for stretching into the lubricating channel and making contact with the contact face of the movable ring piece and the static ring piece is arranged on one side of the lubricating channel. One side of the mechanical seal structure is provided with a lubricating opening allowing the water absorption piece to stretch into the lubricating channel, the lubricating opening is provided with a first nozzle used for spraying cooling liquid to the movable ring piece and the static ring piece, and the first nozzle is located above the water absorption piece. Foreign matters can be prevented from falling into the tank body.

The invention relates to the technical field of heat exchange devices, and provides a metallurgical heat exchanger structure which is characterized in that the top ends of a heat exchange cylinder and a second cover bin fixedly communicate with a first transmission frame and a second transmission frame correspondingly, the outer sides of a plurality of heat exchange pipes are jointly provided with a flow blocking assembly, and an outer wall cleaning mechanism is arranged between the first transmission frame and the second transmission frame; and in the process that heat flow in the heat exchange pipe is discharged into the second cover bin, the outer wall cleaning mechanism can be driven, so that the flow blocking assembly can move left and right in a reciprocating mode through the outer wall cleaning mechanism, and then the outer wall of the heat exchange pipe and the inner wall of the heat exchange cylinder can be self-cleaned. An inner wall cleaning mechanism is arranged in each heat exchange tube, and the installation direction of the inner wall cleaning mechanism located in the heat exchange tube on the upper side of the partition plate is opposite to that of the inner wall cleaning mechanism located in the heat exchange tube on the lower side of the partition plate. And the inner wall of the heat exchange tube can be self-cleaned through the inner wall cleaning mechanism.

The invention discloses an adjustable air heat exchanger which comprises a shell, two heat conduction plates are arranged in the shell, a heat exchange finned tube is fixed between the two heat conduction plates, one end of the heat exchange finned tube is an air inlet, and the other end of the heat exchange finned tube is an air outlet. According to the adjustable air heat exchanger, through the arrangement of the pipeline stepping moving mechanism, the extending amount of the air inlet pipe in the heat exchange fin pipe is automatically adjusted, the air inlet position of the air inlet pipe in the heat exchange fin pipe is changed, then the heat exchange time of the heat exchange fin pipe is changed, and the purpose of freely controlling the heat exchange efficiency is achieved; when the extending amount of the air inlet pipe is larger, the distance of air passing through the heat exchange fin pipe is shorter, the heat exchange time is shorter, and the heat exchange efficiency is lower, when the extending amount of the air inlet pipe is smaller, the distance of air passing through the heat exchange fin pipe is longer, the heat exchange time is longer, and the heat exchange efficiency is higher, and adaptive adjustment can be conducted according to the external environment temperature, the air flow or the heat exchange requirement.

The utility model provides a gas-solid countercurrent fluidization heat exchange device. The gas-solid countercurrent fluidization heat exchange device comprises a barrel; a feeding pipe, a flow guide cone and a gas distributor are sequentially arranged in the barrel, the feeding pipe is used for conveying solid particles into the barrel, an upper conical surface is arranged at the upper end of the flow guide cone, a lower conical surface is arranged at the lower end of the flow guide cone, and the upper conical surface is used for enabling the solid particles input by the feeding pipe to disperse and slide downwards; a gas inlet pipe and a gas outlet pipe are arranged on the side wall of the barrel, the gas inlet pipe is used for conveying gas into the gas distributor, the gas distributor is used for guiding the gas to generate downward rotational flow motion, the lower conical surface is used for dispersing the returned gas flowing upwards to flow upwards, and the gas outlet pipe is used for conveying the gas subjected to heat exchange in the barrel to the next procedure; according to the device, gas and solid particles can be subjected to sufficient heat exchange, the heat exchange efficiency is greatly improved, meanwhile, countercurrent movement between the gas and the solid particles can be achieved, the gas flowing speed is increased, and the sectional area of the barrel is greatly reduced.

The invention belongs to the technical field of fused salt heat storage, and discloses electric heating fused salt heat storage equipment and a working method thereof. The electric heating fused salt heat storage equipment comprises a supporting plate, a base and a shell. Wherein the supporting plate is provided with moving wheels and a positioning supporting assembly; the supporting plate is provided with supporting columns, and each supporting column is provided with a sliding groove. A sliding block is installed in the sliding groove in a sliding mode and provided with a supporting rod and an elastic component. Mounting grooves are formed in the supporting plates, buffer blocks are mounted in the mounting grooves, elastic parts are arranged between the buffer blocks, and buffer rods are hinged to the buffer blocks; a base is installed on the supporting rod, a shell is installed in the base through a rotating shaft, and a stirring rod is arranged in the shell. According to the technical scheme, movement and position adjustment can be carried out more conveniently, the anti-vibration capacity in work is enhanced, and the heating efficiency of molten salt is improved.

The application discloses a tubular air conditioner heat exchanger, comprising a refrigerant box, the inner side of which is provided with heat exchange pipes, the inner cavity of the refrigerant box is connected with both ends of the heat exchange pipes to form a passage; the surface of the fin group is provided with sleeve holes sleeved on the surface of the heat exchange pipes, and the fin group comprises multiple groups of double-layer composite fins arranged along the surface of the sleeve holes, each group of the composite fins is combined by a first pressing sheet and a second pressing sheet; and a piezoelectric vibration assembly is arranged at both ends of the fin group and used for high-frequency vibration cleaning of the surface of the fin group. In the application, a small fluid channel is integrated on the opposite surface of the double-layer fin group by using CNC processing, and a heat pipe working medium (such as water, ethanol or acetone) is filled in the small fluid channel; the working medium is vaporized by absorbing heat at one end of the fin close to the heat exchange pipe, flows to the edge or thinner part of the fin and is condensed by radiating heat, and then returns to the surrounding of the heat exchange pipe to form a circulation, so that the heat pipe technology is effectively utilized to significantly improve the heat conduction efficiency and temperature uniformity of the fin.

A heat sink assembly and a manufacturing method thereof are provided. The heat sink assembly includes a heat dissipating base and a sealing member. The heat dissipating base includes a main body and a dissipating seat. The main body is mounted to a connector assembly, and an inner surface of the main body defines a passageway space. The heat dissipating seat is placed in the passageway space. The sealing member is provided in the passageway space. The sealing member has a fixing portion which is connected to the inner surface of the main body, and a floating portion which is connected to the fixing portion and the heat dissipating seat and is separated from the inner surface of the main body. Therefore, it can allow the heat dissipating seat to cooperate with contacting and abutting of a pluggable assembly to move relative to the main body, avoid the heat dissipating seat generating interference with the pluggable assembly, in turn attain an effect of promoting mounting firmness.

The present application provides a heat exchanger and a manufacturing method of a heat exchanger. The heat exchanger includes a metal substrate, the metal substrate has a fluid channel for circulating a heat exchange medium; and the heat exchanger further includes a coating, the coating includes resin, silica and titanium dioxide, and the coating is arranged to cover at least part of a surface of the metal substrate. Silica particles and titanium dioxide particles are conducive to the formation of a complex micro-nano structure, and leveling and stability of hydrophilic resin contribute to long-term maintenance of the micro-nano structure. The coating of the heat exchanger according to the present application has excellent hydrophilic durability.