278 results about "Enhanced heat transfer" patented technology

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 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 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 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 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 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 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.

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.

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.

The invention relates to a heat dissipation substrate with a composite enhanced heat transfer structure and application of the heat dissipation substrate in a heat dissipation device of an electronic device, a bottom plate and micro-rib structures are of an integrated structure, and a porous framework is filled among the micro-rib structures; the electronic device heat dissipation device comprises a cold plate type heat dissipation device and a cover plate type heat dissipation device. The cold plate type heat dissipation device is basically composed of a radiator connector, a heat dissipation cover plate, a splitter plate, a heat dissipation substrate and a main board. The basic structure of the cover plate type heat dissipation device is as follows: a radiator joint, a chip cover plate, a splitter plate, a heat dissipation substrate and a core mainboard. Compared with the prior art, the multi-hole framework and the micro-rib structure are designed to be compounded, the heat exchange area can be increased cooperatively, fluid flowing is optimized to improve the heat exchange efficiency, meanwhile, local hot spots and flowing dead zones are avoided, different heat dissipation requirements can be flexibly met, and it is ensured that the chip dissipates heat continuously and efficiently under high power.

The large horizontal baffling enhanced heat transfer regenerator comprises a shell, end sockets are arranged on the two sides of the shell, and the shell is filled with a porous energy storage medium; a baffling assembly is further arranged in the shell. Flow guide assemblies are arranged on the left side and the right side in the shell correspondingly, the top of the left flow guide assembly extends out of the top of the shell to be connected with a circulating airflow cold fluid inlet and outlet pipe, and the top of the right flow guide assembly extends out of the top of the shell to be connected with a circulating airflow hot fluid inlet and outlet pipe. Through cooperation of the porous energy storage medium and the baffling assembly, airflow flows in the shell in a wave-shaped route, the airflow flowing path is prolonged, airflow distribution is more uniform and controllable, and the heat transfer effect is improved; when the air flow initially enters the shell, the air flow is guided to the end socket through the flow guide assembly and is reflected by the end socket to be uniformly diffused, and initial uniform distribution of the air flow is achieved.

The invention discloses a battery pack thermal management system and a temperature control method, and relates to the technical field of battery pack thermal management, and the battery pack thermal management system comprises a composite phase change material layer, a micro-channel heat transfer network, a temperature monitoring and auxiliary temperature adjusting system and an intelligent control system. According to the battery pack heat management system and the temperature control method, through cooperation of the composite phase change material, the enhanced heat transfer structure and intelligent regulation, the temperature of the battery cell is stabilized at 25 + / -2 DEG C in the working environment of-30 DEG C to 50 DEG C, the temperature difference is smaller than or equal to 2 DEG C, the temperature is reduced by 60-70% compared with that of traditional liquid cooling, the normal-temperature auxiliary energy consumption is smaller than 1% of the battery capacity, the energy consumption in the whole working condition is reduced by 40-50%, and the working efficiency is improved. The composite phase-change material covers the range of-10 DEG C to 55 DEG C, so that starting is carried out for only 5 minutes at the low temperature of-30 DEG C, the cycle life of the battery cell is prolonged by 30-50% through global constant temperature, the volume ratio of the phase-change material is 30%, leakage is avoided, the structure is compact and safe, and the strict requirement of a counterweight card is met.

The utility model discloses a hot aerosol fire extinguishing device for small space power supply equipment, including shell, sealing gasket and apron, the apron sets up at one side of shell, and the sealing gasket sets up between shell and apron, the sidewall on shell bottom has a plurality of spouts, be equipped with the cartridge and cooling frame in the shell, the utility model discloses a vortex cooling channel is formed with sealing gasket and cooling frame, and the mixed gas of the burning of the medicine column generates the strong vortex and turbulence when flowing along the vortex cooling channel, greatly increase its contact area and contact time with the cooling wall surface, to strengthen heat transfer, accelerate cooling, make the final formation's fire extinguishing microparticle size smaller and distribute evenly, these small size aerosol particle diffusion speed is fast, is not easy to be blocked by component, more easily diffuses to the burning point in the component gap deep place and carries out the fire extinguishing, to promote the fire extinguishing efficiency of hot aerosol fire extinguishing device in small space power supply equipment.

This invention relates to the field of micro / nano-structure-enhanced heat transfer surfaces, providing a 3D printing-assisted method and product for fabricating multi-scale three-dimensional metal surface structures. The method includes: fabricating a micron-level high-precision three-dimensional structure mask using 3D printing technology; the three-dimensional structure mask includes a cutout portion and a body portion; the cutout portion matches a three-dimensional structure model; performing material conversion on a metal substrate with the three-dimensional structure mask fixed thereon to obtain a target metal, wherein the metal substrate may be machined beforehand; the target metal surface has a three-dimensional structure matching the three-dimensional structure model. The 3D printing-assisted method for fabricating multi-scale three-dimensional metal surface structures provided by this invention improves the precision of the metal structure by increasing the precision of the template, fabricating multi-scale, multi-material heat transfer structures with micron-level precision and complex structures on the metal surface, thereby improving the metal phase change heat transfer efficiency.

This utility model relates to the technical field of heat exchange equipment, and discloses a heat exchange core, a heat exchanger, and a fresh air unit. The heat exchange core comprises multiple silicon carbide ceramic units; these units are periodically arranged to form the heat exchange core; the cross-section of each silicon carbide ceramic unit is hexagonal; and each silicon carbide ceramic unit has flow channels along its axial direction. The hexagonal structure of the silicon carbide ceramic units allows for a honeycomb-like dense arrangement, forming more flow channels per unit volume, thereby significantly increasing the contact area between hot and cold fluids and enhancing heat transfer. The periodic structure ensures uniform heat distribution throughout the entire heat exchange core. In summary, the heat exchange core comprehensively improves heat exchange efficiency through the high thermal conductivity of silicon carbide ceramics, the high specific surface area of ​​the hexagonal densely packed structure, the low resistance and high efficiency heat transfer of the axial flow channels, and the optimized thermal field of the periodic arrangement, thus solving the problem of insufficient heat exchange efficiency in existing heat exchange cores.

The invention provides a plate-type hydrogen production reactor integrating pin-fin flow-equalizing combustion and perforated plate partition reforming, and belongs to the technical field of fuel cells and distributed hydrogen supply systems. The reactor sequentially comprises a combustion chamber, a reforming chamber, a combustion chamber, an evaporation chamber and a combustion smoke collecting chamber from top to bottom, the combustion chamber and the evaporation chamber adopt transverse snake-shaped runners, pin-fin structures for enhancing heat transfer and turbulent flow are arranged on the surfaces of runner plates, the combustion chamber realizes left-right shunting through a middle partition plate, pin-fins are non-uniformly distributed with dense middle parts and sparse two ends, and the density of the pin-fins in the evaporation chamber is uniformly distributed; the structure of the combustion smoke collecting chamber is consistent with that of the evaporation chamber; the reforming chamber adopts vertical snakelike runners which are symmetrically distributed left and right, and a perforated plate is arranged in the middle of the runner in the depth direction. Through non-uniform distribution of the pin fins, partitioned catalysis of the porous plates and compact plate type laminated design, the mixing and reaction efficiency of reactants is remarkably improved, and the reactor has the advantages of compact structure, high hydrogen production rate and suitability for integrated application.

The invention discloses a gradient wettability Janus ceramic membrane and a preparation method and application thereof.The preparation method comprises the steps that firstly, a porous ceramic substrate with double hydrophilic main surfaces is taken, one main surface of the porous ceramic substrate is treated with a solution containing a hydrophobic modifier (not making contact with the other main surface), then a photocatalyst is loaded on the treated surface, at least three continuous subareas are divided, and the gradient wettability Janus ceramic membrane is obtained; activating radiation of different time lengths is applied to all the sub-areas to form gradient wettability areas with the water contact angles gradually changing in the preset direction, and finally the photocatalyst is removed and dried; the obtained membrane is of an asymmetric structure, one side of the membrane has precisely regulated gradient wettability, the other side of the membrane is kept hydrophilic, when the membrane is applied to scenes such as carbon capture regeneration gas waste heat recovery, the surface wettability of the membrane can be precisely matched with on-way local thermodynamics and concentration environment, heat and mass transfer can be enhanced, surface self-cleaning can be achieved, the performance of the membrane is superior to that of a traditional membrane, and the energy-saving and consumption-reducing potential is large.

The invention relates to the technical field of MVR (mechanical vapor recompression) evaporators, in particular to an anti-scaling enhanced heat transfer system of an MVR evaporator, which comprises an evaporator, a separator in pipeline communication with the evaporator and a compressor in pipeline communication with the separator, and the compressor and the output end of the evaporator are in pipeline communication with the evaporator; wherein the evaporator comprises a shell, an upper plate and a lower plate, the upper plate and the lower plate are rotationally connected into the shell, the multiple heat exchange pipes are connected in an overall rotating mode, steam is input into the shell through the compressor, an input port is formed in one side of the shell, and therefore the heat exchange pipes can be installed in a traditional fixed heat exchange pipe installation mode, and the heat exchange pipes can be installed more conveniently. Compared with the prior art, the heating uniformity of the heat exchange tube is general, and the heating uniformity of the heat exchange tube can be improved by adopting the mode that the heat exchange tube rotates circumferentially as a whole in the scheme, so that the heat transfer effect is enhanced; in addition, the arranged cleaning assembly can be used for flushing the heat exchange pipe, and therefore the durability and reliability of the whole device are improved.

A device for strengthening heat transfer between a pipeline and a heater is characterized in that the device is composed of an inner pipe (2), an outer pipe (6) and heat conduction silicone grease (4), the inner pipe (2) is tightly wrapped on the pipeline (1) needing to be heated, the heat conduction silicone grease (4) is clamped between the inner pipe (2) and the outer pipe (6), and the heater (7) is sleeved and wrapped on the outer pipe (6). The inner pipe and the outer pipe are made of metal materials with good flexibility, and the outer surface of the metal is subjected to oxidation resistance treatment, so that the corrosion resistance of the metal can be improved, and the service life of the metal can be prolonged; according to the utility model, the high-heat-conduction metal and the heat-conduction silicone grease are combined, so that the cost can be reduced, and the heat transfer can be enhanced.

The invention discloses a high-temperature cleaning plate heat exchanger device with a coating enhanced heat transfer function. The high-temperature cleaning plate heat exchanger device comprises a heat exchanger body, a composite coating and a high-temperature cleaning system. A clamping plate assembly of the heat exchanger body is of a bionic honeycomb topological optimization structure, the thickness is reduced by 10%-20% (cost is reduced) compared with a traditional clamping plate, meanwhile, the pressure bearing capacity is improved by 20% or above, balance of economical efficiency and structural stability is achieved, the micro-nano concave-convex structure on the surface of the composite coating can enlarge the heat transfer area and restrain dirt attachment, and the service life of the heat exchanger is prolonged. A self-cleaning-efficient heat transfer synergistic mechanism is formed in combination with a high-temperature cleaning system, the later maintenance frequency is reduced, the operation cost is reduced, plasma spraying and ion implantation technologies are integrated to prepare a composite coating, and the industrial production feasibility and operation reliability of the device are improved in combination with precise regulation and control of the control module on the cleaning process. The heat exchanger is suitable for various industrial heat exchange scenes.

The invention discloses a heat reservoir, and belongs to the technical field of power station boilers. Comprising heat storage particles; the metal shell is filled with heat storage particles; the multiple internal expansion surface enhanced heat transfer parts are arranged on the inner wall of the metal shell, the multiple internal expansion surface enhanced heat transfer parts divide the heat storage particles in the metal shell into multiple heat storage units, and heat conduction is conducted through the multiple heat storage units; and the plurality of external expansion surface enhanced heat transfer parts are arranged on the outer wall of the metal shell. The heat storage particles in the metal shell are divided into a plurality of heat storage units by expanding the surface enhanced heat transfer part, the heat conduction distance is reduced, the heat conductivity coefficient is greatly improved through an interpenetrating structure of the surface of the internal expanded surface enhanced heat transfer part and the heat storage particles, the actually available heat storage density can also be improved, and the heat conduction efficiency is improved. And meanwhile, layering of heat storage particles can be restrained through mechanical constraint of the internal expansion surface enhanced heat transfer part, and the service life of the heat storage device is prolonged.

The application provides a heat pipe shell heat exchanger with steam pipe distance change, which is horizontal, comprises a tube side and a shell side, the tube side comprises heat exchange pipes, the heat exchange pipes comprise circular pipe bodies, a fluid in the tube side is a cold source, and a fluid in the shell side is a hot source, and the heat pipe shell heat exchanger is characterized in that a plurality of rows of steam pipes and condensing pipes are arranged along the axial direction of the heat exchange pipes, that is, the flow direction of the cold source in the heat exchange pipes, wherein the distance between adjacent rows of steam pipes becomes smaller and smaller along the flow direction of the cold source, and the distance between adjacent rows of condensing pipes becomes smaller and smaller. The application increases the distribution density and the heat transfer area, so that the overall heat exchange is uniform in the flow direction of the cold source, the heat exchange effect similar to countercurrent is realized, and the purpose of strengthening heat transfer is achieved.

The present invention provides a falling film evaporator based on the heat exchange tube enhanced heat transfer technology, which relates to the technical field of evaporation equipment, including an evaporation tank body, a feed pipe installed on the top of the evaporation tank body, a liquid separation plate provided inside the evaporation tank body, a liquid separator provided above the liquid separation plate, the liquid separator is connected to the feed pipe, a lower liquid plate is provided at the bottom of the liquid separator, a plurality of lower liquid holes are provided on the lower liquid plate, the liquid falling points of the lower liquid holes are arranged at equal intervals with the pipe openings of the adjacent heat exchange tubes, and the distance between each lower liquid hole and the liquid separation plate is the same, a float is provided in the liquid separator, a switch plate is rotatably installed in the liquid separator, a plurality of switch holes are opened on the switch plate, and a transmission mechanism is provided on the side of the liquid separator, the float is linked with the switch plate through the transmission mechanism, controls the flow resistance of the switch holes and the lower liquid holes, realizes uniform distribution of liquid and material, controls the synchronous opening and closing of the lower liquid holes, and realizes uniform distribution of liquid and material. This scheme realizes uniform distribution of liquid and material, so that the film forming conditions in the heat exchange tubes at different positions are as similar as possible.

This invention provides a heat dissipation system with a tertiary loop heat pipe, comprising a cooling tower, a heat exchange unit, an immersion cooling chamber, and a heat source. The cooling tower and the heat exchange unit are thermally connected via a primary loop, the heat exchange unit and the immersion cooling chamber are thermally connected via a secondary loop, and the immersion cooling chamber and the heat source are thermally connected via a tertiary loop. The tertiary loop is a loop heat pipe, wherein the evaporator end of the loop heat pipe is thermally connected to the heat source to absorb heat, and the condenser end of the loop heat pipe is located within the immersion cooling chamber. This invention's heat dissipation system adds a tertiary gas-liquid circulation pipeline, allowing the heat exchange unit inside the immersion cooling chamber to be immersed within the chamber, enhancing heat transfer and improving overall heat dissipation efficiency.

The utility model discloses a kind of high viscosity static heat exchangers, including hollow shell, first tube plate and second tube plate are respectively fixedly connected with shell two ends, shell side surface one end is equipped with heat exchange medium inlet, shell side surface other end is equipped with heat exchange medium outlet, heat exchange medium inlet and heat exchange medium outlet are all communicated with shell interior;Heat exchange tube is fixedly provided between first tube plate and second tube plate, mixed element is fixedly installed in heat exchange tube interior, mixed element includes multiple first and last connected mixing units, each mixing unit is spiral twist sheet structure, and adjacent two mixing units are crossed and welded fixed with cross shape mode arrangement.

An air cushion drum for enhanced heat extraction is provided. In an embodiment, the air cushion drum may include: a curved cooling drum having a cooling drum surface extending between opposing circular bases; a pair of rotating disks coupled to the circular base of the curved cooling drum; a set of nozzle outlets disposed along the cooling drum surface and configured to output gas across the cooling drum surface; and a base plate coupled to a circumferential surface of each of the pair of rotating disks and disposed over the set of nozzles, with a substantially uniform air cushion formed between an inner surface of the base plate and a surface of the cooling drum from the gas output from outlets of the set of nozzles.

The solar heat collector comprises a heat collecting pipe and a heat storage water tank, a heat releasing part is provided with a heat releasing pipe, the heat releasing pipe is provided with the flow slowing part, the flow slowing part comprises an expanding part, a diameter uniformizing part and a reducing part which are sequentially connected, the pipe diameter of the expanding part is gradually expanded, the end with the large pipe diameter is connected with one end of the diameter uniformizing part, and the end with the large pipe diameter is connected with the other end of the diameter uniformizing part. The small-pipe-diameter end is connected with the heat release pipe, the pipe diameter of the diameter uniformizing part is kept unchanged, the pipe diameter of the reducing part is gradually reduced, the large-pipe-diameter end is connected with the other end of the diameter uniformizing part, and the small-pipe-diameter end is connected with the heat release pipe. According to the solar heat collector provided by the invention, the flow path area of the heat release pipe is changed through the arrangement of the flow slowing part, so that fluid is promoted to slowly flow in the pipe and impact the reducing part, and the technical effect of enhancing heat transfer is achieved.

This application discloses a heat exchanger based on microchannel enhanced heat transfer, including a heat exchanger body and a heat exchange mechanism disposed within the heat exchanger body. An air inlet and a cold flow outlet are respectively provided on the side of the heat exchanger body. Multiple heat-conducting rods are disposed inside the heat exchanger body, and these rods cooperate with the heat exchange mechanism. Exhaust gas is suitable for entering the heat exchanger body to enhance the heat transfer process through the multiple heat-conducting rods and the heat exchange mechanism, thereby achieving heat exchange and cooling. The beneficial effects of this application are: a heat exchange mechanism for heat transfer and cooling is disposed inside the heat exchanger body, and multiple heat-conducting rods are also disposed inside the heat exchanger body, cooperating with the heat exchange mechanism; therefore, during exhaust gas cooling, the cooperation of the heat-conducting rods and the heat exchange mechanism allows for better heat exchange and cooling of the exhaust gas, thereby improving cooling efficiency. The device is simple, reasonable, practical, and reliable.