398 results about "Enhanced heat transfer" patented technology

The invention discloses a micro-channel flow boiling enhanced heat transfer device based on a bionic structure. The device comprises a micro-channel structure base body, a channel inner surface wettability regulation and control layer, a working medium inlet and a working medium outlet. A bionic structure microchannel is arranged in the microchannel structure base body, the inner wall of the microchannel structure base body is provided with a micron-scale or nanometer-scale texture structure, the bionic structure microchannel is composed of a main channel and branch channels of at least three levels of fractal hierarchical structures, the width ratio of the branch channels is 1: 0.2-0.5, and the length range of the branch channels is 2-10 mm. And the contact angle gradient of the wettability regulation and control layer on the inner surface of the channel is 5-120 degrees. The tail end of each branch channel is provided with a bubble capturing groove with the diameter of 5-10 mm and the depth of 5 mm. The device can improve the boiling heat transfer coefficient, reduce the flow resistance and improve the bubble generation and desorption process, and is suitable for the fields of heat dissipation of high-heat-flux electronic equipment, aerospace heat management, chemical reaction and the like.

The invention discloses a high-temperature radiation furnace tube for enhancing heat transfer as well as a preparation method and application of the high-temperature radiation furnace tube. The heat-transfer-enhanced high-temperature radiation furnace tube comprises a high-temperature radiation furnace tube, namely a thick tube, of which the inner surface is subjected to roughness treatment and / or a high-temperature radiation furnace tube, namely a streaming terminal, of which the inner surface is sequentially subjected to roughness treatment and streaming structure surfacing treatment, and the roughness parameter Ra of the inner surface of the thick tube is 3.2-40.5 m; and the streaming structure is in one or more forms of a sphere, a raindrop shape and a strip shape. According to the invention, the heat conduction effect and the temperature and airflow uniformity of the furnace tube can be obviously improved through combination of slight increase of the inner surface area and a micron-scale inner surface streaming structure within a certain range, meanwhile, the filling volume of a catalyst in the furnace tube is not influenced, and obvious pressure drop at the outlet end of the furnace tube is avoided.

The invention discloses a heat transfer performance prediction and optimization method of a multi-dimensional data weighted neural network, and belongs to the field of artificial intelligence and process equipment enhanced heat transfer. The prediction method comprises the following steps: acquiring multi-physical field heat transfer data, preprocessing the data, and dividing the data into a training set and a test set; performing multi-channel independent normalization processing on the preprocessed data; establishing a neural network prediction model; globally optimizing the weight and the bias parameter of the neural network by adopting a genetic algorithm; using the optimized parameters to initialize a neural network to carry out refined training; evaluating the model performance by using the test set and outputting a heat exchange performance prediction result; and carrying out heat exchange characteristic analysis and equipment optimization design based on a prediction result. According to the method, neural network hyper-parameters are optimized through the genetic algorithm, the problem that a traditional neural network is prone to falling into local optimum is solved, high-precision prediction of heat exchange performance parameters is achieved, and reliable technical support is provided for design and optimization of efficient heat exchange equipment.

The invention belongs to the technical field of waste heat utilization equipment, and particularly relates to an in-pipe enhanced heat transfer element structure of an ORC waste heat recovery system. Fluid in the pipe is divided through the spiral twisted belt, so that the fluid spirally moves in the twisting direction of the twisted belt; the spiral direction of the spiral twisted belt is opposite to that of the twisted sheet, so that reverse spiral shear flow is formed, turbulence disturbance is enhanced, and the thickness of a thermal boundary layer is reduced; the inverted triangular tooth grooves are formed in the surfaces of the two axial sides of the twisting piece along the spiral track, local vortex generation is optimized, and flow resistance is reduced. Fluid in a pipe wall area is disturbed through the layered turbulent flow structure so as to thin a boundary layer, the transfer speed of heat between the fluid and the wall face is increased, and then the heat exchange effect of the heat exchanger is remarkably improved. The device can be directly matched with an existing ORC system standard heat exchange tube, customized transformation is not needed, the cost is low, and installation and use are convenient and fast.

The invention discloses a heat transfer enhanced high-stability noble metal catalytic oxidation dehydrogenation multilayer core-shell catalyst as well as a preparation method and application thereof, and belongs to the technical field of catalysts. The catalyst sequentially comprises an aluminum oxide carrier inner core, a defect anchoring layer, a noble metal layer and a protective shell layer from inside to outside, wherein the alumina carrier is particles prepared by mixing active gamma-Al2O3 and a coated high-heat-conductivity-coefficient material, and the defect anchoring layer is composed of oxides having strong interaction with metal; the precious metal layer is composed of precious metal element Pd, and the protective shell layer is made of porous SiO2. The invention also discloses a preparation method of the catalyst and application of the catalyst in dehydrogenation of mixed gas. According to the invention, low-temperature high-efficiency activation of hydrogen can be realized, the dehydrogenation precision of the dehydrogenation catalyst under an industrial operation condition is improved, poisoning and sintering inactivation of H2O to active sites of the dehydrogenation catalyst are inhibited, and the hydrothermal stability is improved. The catalyst is longer in service life and has a wide application prospect.

The invention relates to the technical field of phase change heat storage, in particular to a simulation method for enhancing a lung groove imitating blood vessel fin phase change heat storage system through nanofluid. The method comprises the following steps: firstly, establishing a three-dimensional physical model of the phase change heat storage enhanced heat transfer system simulating lung groove blood vessel fins, performing simulation analysis on the three-dimensional model, comparing a simulation result with an experimental result, and adjusting parameters of the simulation model to improve the accuracy of the simulation result; different nano-fluids are selected through the optimized simulation analysis platform to carry out enhanced heat transfer research on the TES, and the influence of the volume fraction of the nano-particles, the variety of the nano-particles, the temperature of the heat transfer fluid (HTF) and the initial speed on liquid phase distribution, temperature distribution, melting characteristics and kinetic energy consumption of the TES is analyzed. And finally, performing three-objective optimization on the kinetic energy, the TES heat storage amount and the melting time to obtain an objective function and an optimal value, and providing a certain reference basis for TES multi-objective optimization under the condition that the working medium is the nanofluid.

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 discloses a high-thermal-conductivity core-shell copper-zinc-aluminum catalyst, a preparation method thereof and application of the high-thermal-conductivity core-shell copper-zinc-aluminum catalyst in a methanol reforming hydrogen production reaction. Aiming at the strong heat absorption characteristic of a methanol reforming hydrogen production reaction, a coprecipitation method is utilized to prepare a copper-zinc-aluminum catalyst with a heat conduction agent as a core and copper, zinc oxide and aluminum oxide nanoparticles as a shell, so that a metal salt is subjected to in-situ precipitation reaction on the surface of the heat conduction agent, and micro mixing of the copper, zinc oxide and other nanoparticles and the heat conduction agent is realized; compared with other heat conduction agent adding modes such as particle mixing and tabletting mixing, the catalyst shows a stronger catalytic effect in a strong endothermic reaction such as a methanol steam reforming hydrogen production reaction, and the optimal catalyst conversion rate reaches 51.1% under the conditions that the reaction temperature is 230 DEG C and the WHSV is equal to 24 h <-1 >.

The invention relates to a quick-heating double-layer jacket stirring tank structure, which comprises a tank body, which is provided with a straight cylinder section and a conical section connected with the bottom end of the straight cylinder section; the support frame is fixed at the bottom end of the conical section; a stirring assembly; at least two groups of radial stabilizers are arranged on the rotating shaft at intervals in the axial direction of the rotating shaft; the heating assembly comprises an inner layer body and an outer layer body which are concentrically nested, and the inner layer body and the outer layer body are spaced to form a closed heating cavity. According to the rapid-heating double-layer jacket stirring tank structure designed by the invention, through a multi-stage composite stirring system and a multi-source synergistic heating system, a global composite flow field is formed in the tank so as to enhance heat and mass transfer; and the design of double-circulation reverse heat exchange, transition area compensation heating and internal and external double heat locking and heat preservation is utilized, so that the materials in the tank are rapidly and uniformly heated integrally, the problems of temperature dead angles and non-uniform material mixing of a traditional stirring tank are effectively eliminated, and the uniformity of the product quality is ensured while the heat efficiency and the reaction efficiency are effectively improved.

The invention discloses a microchannel heat exchanger with bottom surface secondary textures and a preparation method thereof.The microchannel heat exchanger comprises a microchannel substrate and a cover plate attached to the microchannel substrate, the microchannel substrate is provided with a plurality of microchannels, the bottom surfaces of the microchannels are provided with secondary texture structures, and the bottom surfaces of the microchannels are provided with secondary textures. The effects of disturbing flow, damaging a fluid boundary layer and increasing the heat exchange area are achieved, and the heat transfer performance is enhanced. The microchannel substrate is made of a third-generation semiconductor material, has excellent thermal conductivity and high temperature resistance, and can stably work in a high-temperature and high-pressure environment. When the microchannel heat exchanger is manufactured, the textured grinding wheel with the multiple abrasive particles distributed on the periphery moves on the to-be-machined face in the extending direction of the to-be-machined microchannels, the multiple parallel microchannels with the bottom face secondary texture structures are machined through grinding of the textured grinding wheel, the manufacturing process is simple, cost is low, and the microchannel heat exchanger is suitable for large-scale popularization and application. And integrated, high-efficiency and low-cost preparation and forming of the third-generation semiconductor material microchannel and the inner wall surface enhanced heat transfer microstructure can be realized.

The invention relates to the technical field of desulfurization wastewater treatment, and discloses a PPS tube power plant desulfurization wastewater heat exchange system which comprises a heat exchange tube box, a heat exchange assembly arranged in the heat exchange tube box, a cleaning assembly arranged in the water inlet end water guide tank and a turbulent flow assembly arranged in the heat exchange assembly, and the two sides of the heat exchange tube box are both connected with water guide tanks. The heat exchange assembly comprises a first heat exchange tube plate and a second heat exchange tube plate which are fixedly arranged on the inner wall of the heat exchange tube box, a plurality of heat exchange tubes communicating with the interiors of the first heat exchange tube plate and the second heat exchange tube plate are fixedly connected between the first heat exchange tube plate and the second heat exchange tube plate, and the turbulent flow assembly comprises a plurality of spiral plates rotationally arranged on one side of the first heat exchange tube plate. Desulfurization waste water is subjected to heat transfer and energy regulation and control through the heat exchange assembly, fibers and floccules at the water inlet position of the heat exchange assembly are removed through the cleaning assembly, a medium boundary layer in the heat exchange tube box is damaged through the turbulent flow assembly, and the heat transfer efficiency is enhanced.

The utility model discloses a cooling structural body and a laser processing head, the cooling structural body comprises a liquid cooling module and a nozzle, a laser channel for laser to axially pass through is arranged in the liquid cooling module, and the nozzle is attached to the end part of the liquid cooling module; the liquid cooling module is provided with a liquid cooling cavity, a liquid inlet hole and a liquid outlet hole, the liquid inlet hole and the liquid outlet hole are communicated with the liquid cooling cavity, the liquid cooling cavity comprises a first liquid channel communicated with the liquid inlet hole, a first transfer channel communicated with the first liquid channel and a liquid inlet channel communicated with the first transfer channel, and the liquid inlet channel is communicated with the first transfer channel at the communication position of the first transfer channel and the liquid inlet channel. The radial section of the first transfer channel is eccentrically arranged relative to the radial section of the liquid inlet channel. Through the arrangement of the eccentric water channel structure, water flow forms vortexes, turbulence is increased, and enhanced heat transfer is formed in the flow channel, so that heat at the nozzle can quickly enter the water flow and then is quickly taken away by the water flow, the cooling efficiency of the nozzle is improved, and the nozzle is prevented from being overheated and burnt.

The invention provides a falling-film evaporator based on a heat exchange tube enhanced heat transfer technology, and relates to the technical field of evaporation equipment, the falling-film evaporator comprises an evaporation tank body, a feed pipe is mounted at the top of the evaporation tank body, a liquid distribution disc is arranged in the evaporation tank body, a liquid distributor is arranged above the liquid distribution disc, the liquid distributor is communicated with the feed pipe, and a lower liquid disc is arranged at the bottom of the liquid distributor; a plurality of liquid discharging holes are formed in the liquid discharging disc, the liquid falling points of the liquid discharging holes and the adjacent pipe openings of the heat exchange pipes are arranged at equal intervals, the distance between each liquid discharging hole and the liquid distributing disc is the same, a floating ball is arranged in the liquid distributor, a switch disc is rotationally installed in the liquid distributor, a plurality of switch holes are formed in the switch disc, and a transmission mechanism is arranged on the side portion of the liquid distributor. The floating ball is in linkage with the switch disc through the transmission mechanism to control the switch hole and the liquid discharging holes to be communicated and blocked, liquid materials are evenly distributed, the liquid discharging holes are controlled to be opened and closed synchronously, the liquid materials are evenly distributed, and the film forming conditions in the heat exchange pipes at different positions are the same as much as possible.

The invention provides a sludge drying fresh air adjusting system and method.According to the sludge drying fresh air adjusting system, particulate matter grading interception is achieved through a three-stage combined structure and three-stage filtering in an air filtering module, the maintenance frequency is reduced through the primary layer washable design, and the blocking risk is monitored and early warned through the intermediate layer pressure difference; and the high-level quick release structure is convenient to replace. The temperature control module integrates a waste heat recovery mode and an electric heating mode, the heat transfer efficiency is enhanced through a nano-coating, temperature uniformity is ensured through partition temperature control, and the refrigeration unit and the heating system are interlocked to avoid energy conflicts. The intelligent control module achieves dynamic adjustment through a multi-parameter sensing network, a three-level early warning mechanism guarantees safe and stable operation of the system, the waste heat priority algorithm maximizes the energy utilization rate, and the response speed of the stepless speed regulation mechanism meets the industrial-level real-time requirement. The system integrally realizes refined energy consumption management, effectively reduces carbon emission in the sludge drying process, and ensures that the air quality meets the industrial hygiene standard.

The present invention discloses a multi-scale recessed microchannel heat exchanger with a rough texture structure and a manufacturing method thereof. The microchannel heat exchanger includes a cover plate and a metal microchannel substrate bonded together from top to bottom. The metal microchannel substrate is provided with a plurality of recessed microchannels, and the microchannel wall is provided with a rough texture structure to enhance disturbance, destroy the boundary layer, and increase the surface roughness and heat exchange area, so as to provide sufficient vaporization cores for bubble nucleation, thereby significantly enhancing the heat transfer performance of the microchannel heat exchanger. During preparation, a plurality of rectangular slits are firstly processed on the metal microchannel substrate by a multi-blade micro-tooth flat-bottom micro-milling cutter, and then a recessed cavity is processed along the center line of the rectangular slit by a multi-blade micro-tooth ball-head micro-milling cutter, and a rough texture structure is generated on the microchannel wall at the same time. The present invention has a simple manufacturing process and low processing cost, and can realize the high-efficiency and low-cost preparation and forming of the enhanced heat transfer structure in the multi-scale microchannel.

The invention relates to a phase change energy storage device, in particular to an enhanced heat transfer type phase change energy storage device which comprises energy storage cavity subunits, a phase change material, a runner cover plate, runner side plates and fractal fins. The phase change materials are respectively filled in the energy storage cavity subunits; the fractal fins are fixed on the inner wall surfaces of the energy storage cavity subunits; the flow channel cover plates are installed above and below the energy storage cavity subunits respectively, the flow channel side plates are installed on the left side and the right side of the energy storage cavity subunits respectively, communicated flow channels are arranged in the flow channel cover plates and the flow channel side plates respectively, the flow channel cover plates at the upper end and the lower end are provided with flow channel outlets and flow channel inlets respectively, and flow channel partition plates are installed in the flow channels of the flow channel side plates; a strengthening element round protrusion is arranged in the runner, and an external magnetic field element is fixed to the outer side of the runner side plate. The latent heat energy storage device is based on active magnetic field strengthening and passive structure strengthening, the heat transfer rate of the phase change material can be increased, the heat transfer performance of the system can be improved, and therefore the heat exchange efficiency of a heat source and the energy storage device is improved.

The invention relates to the technical field of heat exchangers, in particular to a tubular-configuration-operation parameter optimization method and device.The method comprises the steps that a pump work goodness factor field angle quantitative formula of a target heat exchanger is constructed, and the comprehensive evaluation criterion number of a heat exchange surface and / or a fluid domain part is determined; establishing a physical model of the target heat exchanger to perform CFD numerical simulation so as to construct a local comprehensive evaluation criterion cloud chart for changing the local tubular shape and / or configuration and / or operation parameters of the target heat exchanger, and obtaining optimized tube type-configuration-operation parameters of the target heat exchanger until the changed local comprehensive evaluation criterion number of the target heat exchanger reaches a first target value and the numerical value of the pump power goodness factor reaches a second target value. According to the method, the quantitative relation between the field parameters of the target heat exchanger and the comprehensive performance evaluation criterion number can be established, the enhanced heat transfer process is analyzed, evaluated and diagnosed, and a direction is indicated for optimization of tubular-configuration-operation parameters of the heat exchanger.

The utility model belongs to the technical field of evaporators, and particularly relates to a tubular steam generator which is characterized in that treated water is introduced into a horizontal combustion tank body, an operating air blower discharges air into the horizontal combustion tank body from an air inlet pipe, and under high-temperature combustion, internal water vapor is evaporated and internal oxygen is heated out; steam enters the ascending pipe under the action of hot pressing and sequentially penetrates through the two sets of filter boxes along the ascending pipe, so that impurities in the steam are filtered, meanwhile, the booster pump on the outer side is started, high-temperature steam is introduced into the spiral heat exchange pipe from the connecting pipe, the retention time of the high-temperature steam in the spiral heat exchange pipe can be prolonged through the spiral heat exchange pipe, and then the cooling effect is improved; after steam cooling is completed, the rotating speed of the booster pump can be continuously increased, liquefied water drops remaining on the inner wall of the spiral heat exchange pipe are blown into an external separator, and the steam-water separation effect is completed; the spiral finned tube with the spiral fins can strengthen heat transfer, reduce flow resistance and accelerate the heat dissipation effect of high-temperature steam.

The utility model provides a heat transfer strengthening structure, a heat transfer strengthening pipe and a preheating device. The heat transfer strengthening structure comprises a coal water slurry pipe and at least one protrusion distributed on the inner wall of the coal water slurry pipe. The ratio of the height of the protrusions to the inner diameter of the coal water slurry pipe is (1-8): 50. The heat transfer strengthening pipe comprises the heat transfer strengthening pipe structure. The preheating device comprises a shell and the heat transfer strengthening pipe located in the shell. According to the heat transfer strengthening structure, the protrusions are arranged on the inner wall of the coal water slurry pipe and serve as inner wall face modification, blocking during flowing of coal water slurry is prevented, and heat transfer strengthening is facilitated.

The invention relates to a converter station waste heat recovery management optimization model, and belongs to the field of converter station waste heat recovery. The method mainly comprises the steps of thermal resistance analysis, scaling process control, turbulence enhanced heat transfer, online monitoring and dynamic adjustment, cleaning period optimization and the like. The waste heat recovery performance is optimized through the measures of analyzing the total heat transfer resistance of the condenser, restraining dirt deposition, arranging a turbulence promoting device to enhance the heat transfer efficiency and the like. And meanwhile, real-time monitoring and dynamic optimization of operation conditions are carried out by virtue of a computational fluid mechanics simulation and dirt growth coupling model. And finally, the scaling period is prolonged through a turbulence strengthening device and a surface modification technology, and the waste heat recovery efficiency of the converter station is improved. According to the method, the dirt deposition rate can be effectively reduced, the heat energy recovery efficiency and the equipment operation safety are improved, and efficient use of energy is achieved.

The invention discloses an enhanced heat transfer method for a horizontal pyrolysis rotary furnace, which comprises the following steps of: additionally arranging steel fins with the thickness of 4-6mm on the outer surface of a pyrolysis chamber of the horizontal rotary furnace, adding an enhanced heat transfer material and solid waste into a stock bin according to the mass ratio of (2: 5)-(3: 5), and conveying the enhanced heat transfer material and the solid waste into the horizontal pyrolysis rotary furnace by a belt conveyor; the solid wastes are medical wastes or waste tire particles; the enhanced heat transfer material is carborundum or steel balls; when the horizontal pyrolysis rotary furnace is in a cold state, starting an adjustable-speed motor to drive the horizontal pyrolysis rotary furnace to rotate so as to mix the enhanced heat transfer material and the solid waste; starting a combustor, and pyrolyzing the solid wastes; and solid residues discharged from the pyrolyzing furnace are screened, and carborundum or steel balls in the solid residues are separated out. After the method is adopted, the convective heat transfer coefficient of the outer surface of the pyrolysis chamber can be increased by 28-33% and averagely increased by about 30%, and the apparent heat transfer coefficient between the pyrolysis material and the interior of the pyrolysis chamber is increased by 20-40%.

The invention discloses a self-vibration long-service-life turbolator, a heat exchanger and a design adjusting method. The turbolator comprises a spoiler and a spring, wherein the spoiler comprises a rigid support rod, spoiler teeth and a resistor. The heat exchanger comprises an inlet tube box, an inlet tube plate, a heat exchange tube, an outlet tube plate and an outlet tube box, and further comprises the self-vibration long-service-life turbolator. According to the design adjustment method, the design adjustment of the application is completed according to the vibration frequency and the amplitude for the turbolator. The heat exchanger has the beneficial effects that heat transfer can be effectively enhanced under the dynamic working conditions (such as vibration and rolling), the service life is longer, the adjustability is better, the applicability is wider, and therefore the requirements of the industrial heat exchanger for the efficient, stable and long-acting heat transfer technology are met.

The present invention belongs to the technical field of enhanced heat transfer for electronic chip cooling, and discloses a microchannel-nanoporous thin film composite core silicon-based ultra-thin heat pipe and a manufacturing method thereof, which includes a pipe body. One end of the pipe body is an evaporation end, and the other end is set as a condensation end. The pipe body includes a first heat-conducting silicon wafer and a second heat-conducting silicon wafer bonded to each other, and a nanoporous thin film is arranged between the first heat-conducting silicon wafer and the second heat-conducting silicon wafer. A microchannel array is arranged on the first heat-conducting silicon wafer, a steam channel is arranged on the second heat-conducting silicon wafer, and the nanoporous thin film is arranged between the microchannel array and the steam channel. A working medium for cooling is circulated and arranged in the steam channel and the microchannel array. The structure of the present invention is compact and has high precision, enabling the working medium to circulate without external power, improving the heat dissipation capacity of capillary evaporation, capable of quickly cooling the chip, and the heat dissipation amount can be automatically adjusted according to the heat load of the chip, having the advantage of improving the temperature uniformity.

This invention discloses a phase change cold storage refrigerated truck and system, belonging to the field of cold chain logistics transportation equipment technology. The invention aims to solve the problem of balancing energy consumption, emissions, temperature stability, and operational flexibility in existing refrigerated trucks. Key technical features include: an insulated truck body, a modular phase change cold storage system integrated into the truck body roof, a combined cooling and charging system, and an intelligent control system. The cold storage unit employs graded composite phase change materials and an embedded enhanced heat transfer structure, achieving high-density energy storage and uniform cold release. The refrigeration system integrates conventional truck body cooling with rapid charging of the cold storage unit through valve switching. The intelligent control system automatically and seamlessly switches between pure cold storage, hybrid cooling, pure mechanical refrigeration, and rapid charging modes based on multi-dimensional sensor information. This invention achieves significant energy savings and carbon reduction, high-precision temperature control within ±0.5℃, ultra-low noise operation, and multi-scenario adaptive capabilities, demonstrating superior overall performance.

Disclosed herein is a thermal interface material (TIM) (2) sheet configured to enhance heat transfer in heat generating electronic components The thermal interface material (TIM) sheet (2) is placed between a solid-state / electronic component (1) and a heat sink (3) or any heat distributing medium to facilitate transfer of heat. The TIM sheet (2) comprises a top layer (8) and a bottom layer (5). The top layer has an interwoven mesh structure (4) or twill weave pattern which is porous and includes air gaps. The bottom layer (5) has a standard planar adhesive structure. The porous structure and airgaps in the interwoven mesh structure (4) or twill weave pattern ensures an even flow of thermally conductive adhesive, or thermal grease ensuring improved thermal conduction and stability during the compression of the TIM sheet between the heat sink and the electronic component (1).

A detachable heat source component of an enhanced heat transfer electric heater includes a plurality of transversely arranged tube bodies, both ends of the tube bodies are set to be open, and a plurality of groups of parallel resistor tube components are installed inside the tube bodies. The structure of a single resistor tube component is as follows: it includes a plurality of first resistor tubes distributed transversely and in parallel, the head end of the first resistor tube passes through a flange and is supported by a ceramic support, the tube head of the first resistor tube is connected to a first electrode connector, the tail end of the first resistor tube passes through a second electrode connector, the second electrode connector is located inside the tube body, and a plurality of ceramic supports are installed on each first resistor tube at intervals; the head of one of the resistor tube components of two adjacent tube bodies passes through the flange and is connected to an electrode plate at the same time; each first electrode connector is connected to a power box through a power cord. It is not necessary to pull out all the electric heating components, which greatly reduces the workload, and the maintenance is fast and efficient, and has a good filtering and protection function.

The invention discloses a divergent uniform liquid cooling device and a server, the divergent uniform liquid cooling device comprises a first liquid cooling layer, a second liquid cooling layer, a liquid inlet part and a liquid outlet part, the first liquid cooling layer is provided with a plurality of first direct current channels, and the first direct current channels are used for conveying, so that the flowing pressure drop can be reduced, and the conveying energy consumption of cooling liquid is reduced; the second liquid cooling layer is provided with at least one rotational flow cooling channel, at least part of the first direct flow channel is communicated with the rotational flow cooling channel, a plurality of rotatable flow deflectors are arranged in the rotational flow cooling channel, cooling liquid is diffused to the periphery under the action of the flow deflectors, and heat dissipation can be enhanced. The rotational flow cooling channel is arranged in the area of high-power components such as a chip to strengthen heat transfer, the first direct current channel is adopted in the area of other low-power components on the mainboard to convey cooling liquid in a low-resistance mode, the advantages of heat dissipation strengthening of the rotational flow cooling channel and low-resistance conveying of the first direct current channel can be brought into play, refined efficient heat dissipation and rapid conveying heat dissipation are achieved, and heat dissipation efficiency is improved. Therefore, high-efficiency low-resistance heat dissipation of the high-power server is promoted.

The invention discloses a cold hydrogenation quench tower energy recovery system and an operation mode, and the system comprises a quench tower, a vaporizer, a first-stage heat exchange system, a second-stage heat exchange system and a circulating water cooler, and layered energy recovery is realized through a three-stage cascade heat exchange structure: a high-temperature liquid-phase material discharged from a quench tower sequentially passes through a second-stage heat exchange system, a first-stage heat exchange system and a circulating water cooler to complete heat exchange, and meanwhile, a heating heat source is provided for silicon tetrachloride and hydrogen. Through the design of multiphase flow enhanced heat transfer, feed gas quality-divided heat exchange and tail liquid recovery, the system significantly improves the energy recovery rate, reduces steam consumption and raw material loss, enhances the operation stability of the system, and is suitable for efficient and energy-saving production of a cold hydrogenation process.