81results about How to "Improve the heat absorption effect" patented technology

The invention relates to the technical field of filters, in particular to an internal shielding component of a power filter, which comprises a shell, a cover plate is mounted at the top of the shell through a cross recessed countersunk head screw, and a metal partition plate is arranged on one side of the inner wall of the shell; the wave-proof sleeve is welded on one side wall of the shell, and the material of the wave-proof sleeve is light nickel-plated copper fabric; when the power supply filter is used, the problem that crosstalk coupling is formed between interference signals can be prevented, the electromagnetic compatibility in the signal transmission process between systems is solved, the anti-wave sleeve is adopted for shielding power supply input of the power supply filter, interference of an input cable on other signals is greatly restrained, and the service life of the power supply filter is prolonged. The electromagnetic compatibility problem of the whole system caused by the fact that high-frequency noise is coupled to a power line is prevented, the shielding effectiveness is improved, the problem of filtering post-stage electromagnetic interference signals is greatly restrained, meanwhile, the heat dissipation area is increased, and the heat dissipation efficiency and effect are improved.

The invention discloses an active thermal protection system for a high-speed aircraft and a using method of the active thermal protection system. The system comprises a liquid storage tank, an active thermal protection plate, a gas high-pressure storage tank and a thrust engine. The liquid storage tank, the active thermal protection plate and the gas high-pressure storage tank are connected in sequence to form a loop; a first electromagnetic valve and a fourth electromagnetic valve are respectively arranged on a connecting pipeline between the liquid storage tank and the active thermal protection plate and a connecting pipeline between the gas high-pressure storage tank and the liquid storage tank; the gas high-pressure storage tank is further provided with two gas paths, one gas path is connected with the thrust engine through a third electromagnetic valve, and the other gas path is communicated with the outside through a second electromagnetic valve. The liquid storage tank is used for storing a liquid heat-absorbing working medium; and the active thermal protection plate is filled with a catalyst. The active thermal protection system is high in heat absorption capacity, high-temperature and high-pressure gas can be generated through aerodynamic heat to do work, waste heat utilization is achieved, the thickness of a thermal insulation layer of the aircraft is reduced, the effective load of the system is increased, and the maneuverability of the aircraft is effectively improved.

The invention discloses a supported high-entropy metal catalyst as well as a preparation method and application thereof. The supported high-entropy metal catalyst comprises a carrier and an active metal component supported on the carrier, the active metal component at least contains Cu, and simultaneously contains a combination of at least four of Fe, Ni, Co, Mn, Ru, Pt and Pd; in the active metal component, the molar weight of each metal element is 5-50% of the total molar weight of the active metal component; in the supported high-entropy metal catalyst, the mass of the active metal component accounts for 5-30% of the total mass of the supported high-entropy metal catalyst. According to the supported high-entropy metal catalyst provided by the invention, due to the combination of various elements, the system entropy is increased, and the metal activity and selectivity are modulated through the interaction of electrons among metals, so that the supported high-entropy metal catalyst has excellent reaction activity, stability and heat absorption acting performance in a multi-component alcohol-water reforming reaction.

The invention discloses a medium-high temperature heat-power conversion working medium for a high-speed aircraft as well as a preparation method and application of the medium-high temperature heat-power conversion working medium. The medium-high temperature heat-power conversion working medium comprises the following components in percentage by mass: 10-90% of ammonia, 10-70% of multi-component alcohol and the balance of water, the multi-component alcohol comprises at least two of ethanol, isopropanol, ethylene glycol, n-propyl alcohol and n-butyl alcohol; and the mass of each alcohol in the multi-component alcohol is 5-40% of the total mass of the medium-high temperature heat-work conversion working medium. Ammonia, multi-component alcohol and water are combined for the first time, a double-bed catalyst is combined, physical heat absorption can be utilized, heat absorption can be enhanced through chemical reaction, the heat sink can reach 7.0 MJ / kg or above, and the cooling agent can be used for pneumatic heat absorption of a high-speed aircraft with the speed higher than 5 Mach and is high in cooling capacity and low in cost. The method is suitable for a thermal protection system of a pneumatic heating component with higher heat flux and continuous long time; meanwhile, high-temperature and high-pressure small-molecule gas is generated, thrust can be generated to do work, and the maneuverability of the high-speed aircraft is effectively enhanced.

The invention discloses a high-thermal-conductivity foam metal supported catalyst as well as a preparation method and application thereof. The supported catalyst comprises a foam metal carrier, an active metal component and an auxiliary agent, wherein the active metal component and the auxiliary agent are supported on the foam metal carrier; the foam metal carrier comprises one of foam nickel, foam copper and foam titanium; the active metal components comprise at least two of Cu, Fe, Ni, Mo, Mn, Rh, Pt and Pd; the auxiliary agent comprises one or more than two of La, Mg, Zr and Ce. The high-thermal-conductivity foam metal supported catalyst disclosed by the invention can be used for a heat-work conversion reactor of a high-speed aircraft, and can be used for rapidly catalyzing a multi-component alcohol and water system to generate a heat-absorbing chemical reforming reaction by strengthening heat conduction and constructing an efficient active center; harmful aerodynamic heat is absorbed, high-temperature and high-pressure small-molecule gas (hydrogen, carbon monoxide and the like) is generated and used for doing work to generate thrust, and aerodynamic heat management and heat-work conversion of the high-speed aircraft are achieved.

The invention discloses a distributed active thermal protection and heat-work conversion system and a using method thereof. The system comprises a distributed liquid cooling plate, a heat exchanger, a supply electromagnetic valve, a heat-work conversion plate, a storage box, a propulsion electromagnetic valve, an oxygen supplementation electromagnetic valve, an oxygen supplementation system and a thrust engine. The distributed liquid cooling plate is filled with a high-density liquid cooling working medium; the heat-work conversion plate is filled with a catalyst; an outlet of the distributed liquid cooling plate is connected with an inlet of the heat exchanger, an outlet of the heat exchanger is connected with an inlet of the heat-work conversion plate through the supply electromagnetic valve, an outlet of the heat-work conversion plate is connected with an inlet of the storage box, and an outlet of the storage box is connected with the first end of the tee joint through the propelling electromagnetic valve. The second end of the tee joint is connected with an oxygen supplementing system through an oxygen supplementing electromagnetic valve, the third end of the tee joint is connected with a thrust engine, and an outlet of the thrust engine is communicated with the outside. The heat absorption capacity of the thermal protection system is remarkably improved, thrust can be generated to do work, and the thermal protection system has wide application prospects in high-speed aircrafts.

The invention provides a backlight source module with multiple heat dissipation assemblies, and relates to the technical field of LCD screen backlight, a semiconductor chilling plate is powered on to generate low temperature, cooling liquid in a storage cavity is cooled through a fin heat dissipation disc, and a control panel controls a PCB magnetic board to be powered on periodically at regular time; the PCB magnetic plate can enable a metal sheet at the bottom end of an elastic rubber film to be attracted downwards, the elastic rubber film is pulled by the metal sheet to deform, when the PCB magnetic plate is powered off, the elastic rubber film is reset under the action of elasticity, cooling liquid entering a liquid pumping cavity is squeezed into a flow guide groove after the elastic rubber film is reset, and the cooling liquid enters the flow guide groove. And the four flow guide grooves are formed in the aluminum alloy supporting plate, so that the flowing distance of the cooling liquid is reduced by three quarters, the heat absorption capacity of a single strand of cooling liquid is improved, the heat dissipation effect is more uniform, and the heat dissipation efficiency is improved.

The invention belongs to the technical field of metal materials and radiation protection, and particularly relates to a preparation method of thermal neutron shielding steel. According to the method, efficient spray forming of the B4C / 304 stainless steel composite material is achieved through a gas-solid two-phase flow driving mechanism under the negative pressure environment, B4C ceramic particles are evenly dispersed and embedded into a 304 stainless steel matrix, and due to the strong driving force of gas-solid two-phase flow, firm interface bonding is formed between the B4C particles and the matrix. According to the process, gas atomization and solid-phase medium particles are combined, a gas-solid two-phase mixed flow is formed, the atomization efficiency is greatly improved, the powder particle size is refined, reinforced phase distribution is optimized, and a new way is opened up for preparation of the high-performance thermal neutron shielding steel composite material.

The invention discloses a low-voltage large-current direct-current permanent magnet synchronous servo motor and a use method, and relates to the technical field of servo motors. The motor comprises a motor shell, and further comprises a driving unit which comprises a direct-current motor arranged in the motor shell; the liquid cooling unit is provided with cooling water, is arranged in the motor shell and comprises a linkage assembly, a liquid guide assembly and a condensation assembly; the heat dissipation unit is arranged in the liquid cooling unit and comprises a heat dissipation assembly and a heat conduction pressure applying assembly. The cooling device has the advantages that the direct-current motor in the servo motor is rapidly cooled in a liquid cooling mode, the attaching heat absorption range of the elastic water guide pipe can be automatically adjusted according to the temperature of the direct-current motor, the cooling heat absorption effect is effectively improved, the flowability of cooling water can be effectively improved during liquid cooling, the heat dissipation effect of the cooling water is improved, and the service life of the cooling water is prolonged. The heat absorption effect of the cooling water is further improved, and the cooling effect is better.

The invention discloses a computer data acquisition device with a water-cooling heat dissipation mechanism, which structurally comprises a main body, a handrail, a photovoltaic panel, a box door and four pulleys, the handrail is arranged at the front end of the top of the main body, the photovoltaic panel is fixedly mounted on the top end face of the main body, the box door is rotatably connected with the side end face of the main body, and the four pulleys are fixedly mounted on the top end face of the main body. The pulleys are mounted on the bottom end surface of the main body; the water pump is used for conveying water to the heat absorption structure through the water inlet pipe, the water absorbing heat is conveyed to the heat dissipation water tank through the water inlet hole through the water outlet pipe, then the heat is transmitted to the wavy contact piece through the heat conduction plate, the heat dissipation speed is increased, and the fan works to dissipate heat of the contact piece; water in the heat dissipation water tank can be rapidly cooled, so that the heat absorption structure can keep heat absorption of the mainboard in the data processor, and the mainboard can work at a low temperature.

The utility model relates to the technical field of heat dissipation, in particular to a liquid cooling system of a magnetic field strengthening case and the case, the liquid cooling system of the magnetic field strengthening case comprises a cooling liquid box, a liquid cooling unit, a circulating unit, a heat dissipation unit and a magnetic field generator, the cooling liquid box stores magnetic nano fluid, and the liquid cooling unit is attached to an electronic element. The circulating unit is connected with the cooling liquid tank and the liquid cooling unit and can drive the magnetic nanofluid to circulate between the liquid cooling unit and the cooling liquid tank, and the magnetic nanofluid can absorb heat of the liquid cooling unit when flowing through the liquid cooling unit, so that the temperature of the electronic component is reduced, the heat dissipation unit is connected with the cooling liquid tank, and the magnetic nanofluid can absorb heat of the liquid cooling unit when flowing through the cooling liquid tank. Heat dissipation can be performed through the heat dissipation unit, and the magnetic field generator can enhance the heat absorption effect of the magnetic nanofluid through the magnetic force effect on the magnetic nanofluid flowing through the liquid cooling unit, so that the heat dissipation efficiency of the electronic component is improved, efficient heat dissipation of the electronic component is realized, and the heat dissipation requirement of the case is met.

The application provides an aircraft wing rudder thermal protection device based on an internal-external composite cooling structure and an aircraft, which is composed of a cold gas source, a cold gas transportation device and an internal-external composite cooling structure. The cold gas source provides high-pressure low-temperature cold gas, and the cold gas transportation device contains a cold gas pipeline, a control valve and a cold gas buffer cavity. The internal-external composite cooling structure includes an internal cooling channel and a surface mass injection channel: the internal cooling channel integrates a turbulence rib column, a curved channel, a ribbed channel and a coupled layer plate cooling structure, strengthens convective heat exchange and improves structural strength; the surface mass injection channel is a discrete gas film hole, and the cold gas heated and warmed by the internal cooling channel is sprayed out through the discrete gas film hole to form a protective gas film, which isolates the high-temperature airflow. The application has the following advantages: 1) multiple internal heat exchange strengthening structures are integrated to improve the heat absorption capacity of the coolant; 2) the thermal protection capacity is strong; 3) the thermal protection performance can be dynamically adjusted to adapt to the changing flight thermal environment; and 4) the wing rudder can be widely cooled.

The invention relates to the technical field of aerosol generation, in particular to an adjustable aerosol particle size distribution generation device which comprises a barrel, and the circumferential outer wall of the barrel is sleeved with a protective sleeve made of a rubber material; the storage battery pack is arranged in the barrel body; the partition plate is fixedly connected to the circumferential inner wall of the cylinder body; and the adjusting assembly can achieve adjustment of the gas displacement. According to the device, people can rotate the rotating cover, when the rotating cover rotates, the adjusting plate can be driven to rotate together, when the fan-shaped groove formed in the adjusting plate and the fan-shaped groove in the top of the fixing plate are overlapped, the gas displacement of the whole device reaches the maximum, and when the fan-shaped groove formed in the adjusting plate and the fan-shaped groove in the top of the fixing plate are completely staggered, the gas displacement of the whole device reaches the maximum. The whole adjusting process is convenient for people to operate, so that people can adjust the particle size distribution of the aerosol in different environments, and the use requirements of people are met.

The invention discloses a compressor with a cooling capacity threshold value, and belongs to the field of air conditioner compressors. A compressor with a cooling capacity threshold value comprises a shell, a base is mounted at the bottom of the shell, a mounting hole is formed in the surface of the base, an air outlet is formed in the side face of the top of the shell, a refrigerant inlet is formed in the side wall of the shell, a driving part is arranged in the shell, a rotating shaft is mounted at one end of the driving part in a connected mode, and the other end of the driving part is provided with a cooling capacity threshold value. The cavity is formed in the inner wall of the shell; the rotatable eccentric wheel is arranged in the cavity; the cavity is formed in the inner wall of the shell, and the cavity is filled with the sound absorption liquid to form outer protection, so that noise generated by work and operation of parts in the shell is effectively absorbed and reduced, meanwhile, the sealing effect of the device is not affected, a good conduction and heat dissipation effect is achieved during noise reduction, and the service life of the device is prolonged. And the equipment failure phenomenon caused by untimely heat dissipation is avoided, and the service life of the equipment is prolonged.

The utility model discloses a digital carving machine convenient to maintain in the technical field of digital carving machines, which comprises a machine body, a mounting frame is arranged at the top of the machine body, a placing groove is formed in the middle of the rear side wall of the mounting frame, a base is arranged at the top of the inner side wall of the mounting frame, and the bottom of the base is fixedly connected with a carving machine body. The digital carving machine convenient to overhaul comprises a base, a containing groove is formed in the middle of the top of the base, a fixing block is fixedly connected to the middle of the top of the base, the top of the fixing block extends to an inner cavity of the containing groove, notches are formed in the front sides of the left side wall and the right side wall of the fixing block, reinforcing grooves are formed in the tops of the inner cavity walls of the notches, and reinforcing blocks are connected to the inner cavity walls of the reinforcing grooves in a clamped mode. The engraving machine is simple in structure and reasonable in structural design, the engraving machine body can be conveniently and rapidly mounted and dismounted without professional tools, heat dissipation can be conducted on the engraving machine body, the heat dissipation effect of the engraving machine body is improved, and therefore the service life of the engraving machine body is prolonged.

This invention discloses an intelligent mental health counseling robot and its service system, comprising a robot body, a robot head, a central processing unit, a voice recognition module, a network signal receiving module, a camera module, and a display module. The robot head is fixedly connected to the upper end of the robot body, and the central processing unit is installed inside the robot head. The system also includes: a water tank installed on the upper end of the robot head, with a delivery pipe installed on the side of the water tank and a start / stop valve fixedly connected to the delivery pipe; and a drain outlet located inside a transfer block, with a blocking rod installed inside the drain outlet. This intelligent mental health counseling robot and its service system can effectively alleviate user fatigue during psychological counseling, preventing users from becoming more agitated after prolonged counseling, and also preventing the robot from overheating during long-term operation.

This utility model relates to the field of sulfur incinerators, specifically to an in-furnace protection device for combustion-supporting gas in a sulfur dioxide incinerator. The utility model comprises a sulfur incinerator body, a fixed pipe, a jacketed sleeve, a cooling sleeve, a gas transmission pipe, and a coolant pipe. A circulation pump is connected to the external coolant pipe, and a storage tank is connected to the bottom of the circulation pump. A heat dissipation mechanism is installed on one side of the top of the storage tank. The coolant pipe, circulation pump, storage tank, and heat dissipation mechanism together constitute a cooling mechanism for the gas transmission pipe. During sulfur incinerator operation, combustion-supporting gas is transported to the inside of the sulfur incinerator body through the gas transmission pipe. The circulation pump pumps the coolant from the storage tank into the coolant pipe, causing the coolant to circulate within the pipe. The coolant absorbs heat and cools the gas transmission pipe, keeping it at a lower temperature during sulfur incinerator operation and preventing corrosion damage to the gas transmission pipe extending into the incinerator due to high temperatures.

The utility model relates to fluorine pump composite cooling module controller technical field, solved the problem that the lack structure protects the controller, and its easy because long time high -power work and produce the heat damage situation. Specifically for a kind of fluorine pump composite cooling module controller, including controller shell, the inside of controller shell is provided with metal heat conduction interlayer, metal heat conduction interlayer inboard is installed with heating element group, the metal heat conduction interlayer extends to the lateral wall direction of controller shell and forms the radiating fin integrally formed with it, the heating element group and metal heat conduction interlayer keep direct contact to conduct heat to radiating fin;The metal heat conduction interlayer is embedded semiconductor refrigeration piece in the path of extending to form radiating fin, the cold end of the semiconductor refrigeration piece is connected with metal heat conduction interlayer and the hot end is towards the bottom of radiating fin;The metal heat conduction interlayer surface is covered with micro-arc oxidation ceramic layer and is integrated with copper heat pipe inside.

The present invention discloses a solar thermal storage and heating device based on a linear Fresnel lens, comprising a photovoltaic assembly, a heat storage tank, a linear Fresnel lens photothermal assembly, a pump, a storage battery, a three-way valve 1, a three-way valve 2, a stop valve and a housing; the photovoltaic assembly is electrically connected to the pump and the storage battery respectively; the linear Fresnel lens photothermal assembly is rotatably installed in the housing; the outlet of the pump is respectively connected to the inlet of the linear Fresnel lens photothermal assembly and the inlet of the branch pipe; the outlet of the branch pipe is connected to the lower port of the heat storage tank; a stop valve is arranged on the branch pipe; the outlet of the linear Fresnel lens photothermal assembly is respectively connected to the upper port of the heat storage tank and the inlet on the user side through the three-way valve 2; the inlet of the pump is respectively connected to the outlet on the user side and the lower port of the heat storage tank through the three-way valve 1. The present invention designs two corrosion-resistant heat-conducting pipes with different settings and phase-change materials with different phase change temperatures inside, which can store heat at different temperatures and realize gradient heat storage.

The cooling device comprises a cooling tank, vent holes, a motor, a valve and an air exhaust box, a partition plate is fixedly installed above the inner side wall of the cooling tank, the vent holes are formed in the top end of the partition plate, absorption cotton is movably installed on the upper surface of the partition plate, and the motor is embedded in the center of the top end of the absorption cotton; an exhaust fan is fixedly mounted at the top end of the cooling tank, the exhaust fan is communicated with the air inlet pipe, the exhaust fan is communicated with an exhaust pipe outside the cooling tank, the bottom of the exhaust pipe is communicated with an exhaust box, and an air inlet is formed in the left side wall of the exhaust box; a filter screen is movably installed in the air exhaust box, and an ice block box is movably installed at the bottom of the inner side of the air exhaust box. The device is provided with absorption cotton which can absorb a water reducing agent in generated hot air, waste is avoided, and the device is high in practicability.

An efficient and energy-saving series solar heating system includes a water storage tank, a circulation pipe, a heater unit, a stop valve, and a circulation water pump; the water outlet end of the circulation pipe is arranged at the bottom end of one side of the water storage tank and is connected to the side wall surface of the water storage tank; the return water end of the circulation pipe is arranged at the middle end of one side of the water storage tank and is connected to the side wall surface of the water storage tank; a plurality of heater units are arranged in an array, two adjacent heater units are arranged end to end through the circulation pipe, and a plurality of heater units are arranged in series through the circulation pipe; the stop valve is arranged at the return water end of the circulation pipe; the circulation water pump is arranged at the return water end of the circulation pipe and is arranged on one side of the stop valve. The present invention can adjust the number of heater units, perform modular assembly, and the assembly process is simple; a single heater unit has a large heat exchange area and high heat exchange efficiency.

The invention belongs to the field of waste heat recovery, and particularly relates to a steam cabinet waste heat recovery device which comprises a waste heat recovery box, three heat exchanger pipe bodies are arranged in the waste heat recovery box, and the heat exchanger pipe bodies are rotationally arranged in the waste heat recovery box; the four exhaust heads are arranged on the two sides of the top end and the two sides of the bottom end of each heat exchanger pipe body, the exhaust heads located at the four positions swing in a reciprocating mode, flue gas is evenly blown to the peripheries of the heat exchanger pipe bodies, and the flue gas makes full contact with the heat exchanger pipe bodies; therefore, it is guaranteed that the heat exchanger pipe body can evenly absorb waste heat of smoke, it is guaranteed that the heat exchanger pipe body fully absorbs heat of the smoke, the waste heat recovery effect is improved, and the problem that when the smoke is blown to the heat exchanger pipe body, the smoked face of the heat exchanger pipe body cannot be fully heated, and the waste heat recovery effect is reduced is solved.

The present invention provides a temperature control method and inspection device for a stage. The substrate mounting surface of the stage is divided into a plurality of regions, and heaters are respectively provided for the plurality of regions. The temperature control method comprises: a step of feedback controlling the heater of a main region corresponding to the device to be inspected among the plurality of regions so that the temperature of the main region becomes a set temperature; and a step of controlling the heater of a sub-region adjacent to the main region among the plurality of regions on the substrate mounting surface. In the step of controlling the heater of the sub-region, when the temperature of the main region does not overshoot, the heater of the sub-region is controlled so that the temperature difference between the main region and the sub-region becomes a specified value, and when the temperature of the main region overshoots, the heater of the sub-region is controlled so that the difference between the set temperature and the temperature of the sub-region becomes a specified value. According to the present invention, the heat absorption performance of the stage from the device to be inspected can be improved without causing the stage to warp.

The invention discloses a flue gas cooling system without changing components. The flue gas cooling system comprises an exhaust structure, a primary heat exchanger, a cooling medium supply assembly and a cooling medium exhaust pipeline. The exhaust structure is vertically arranged, and flue gas for testing enters from a lower port of the exhaust structure and is exhausted from an upper port of the exhaust structure; the first-stage heat exchanger is arranged in the exhaust structure, the inlet end of the first-stage heat exchanger communicates with the cooling medium supply assembly, and the outlet end of the first-stage heat exchanger communicates with the cooling medium exhaust pipeline. And a cooling medium in the first-stage heat exchanger exchanges heat with flue gas in the exhaust structure. The invention further discloses a flue gas cooling method. The device has the beneficial effects that the heat exchanger arranged in the exhaust structure is used for carrying out heat exchange on flue gas, the flue gas temperature is reduced, a cooling medium in the heat exchanger is not in contact with the flue gas, the components of the flue gas are not changed in the heat exchange process, the infrared characteristics of the flue gas are not influenced, the deviation between a flue gas test and an actual condition is reduced, and the accuracy of a test result is improved.

The utility model discloses a small civil energy-saving boiler which comprises a boiler body and a chimney, the boiler body is composed of an inner container and an outer shell, and a water jacket is formed between the inner container and the outer shell. A first combustion chamber is arranged on the front side in the furnace body, and a second combustion chamber is arranged on the rear side in the furnace body; the first combustion chamber is provided with a side furnace door opening, a front upper furnace door opening and a grate; a drawer type ash storage box is arranged at the lower part of the grate; the second combustion chamber is provided with a rear upper furnace door opening, a vertical heat exchange pipe and a transverse heat exchange pipe, and an ash outlet is formed in the bottom of the second combustion chamber; a smoke collecting box is arranged at the upper end of the chimney, a plurality of smoke and fire pipes are vertically arranged in the chimney, the lower ends of the smoke and fire pipes are communicated with the upper end of the second combustion chamber and the smoke collecting box, and a smoke outlet is formed in the upper portion of the smoke collecting box. The burner is simple in structure, convenient to use, sufficient in burning, high in heat efficiency and suitable for various fuels.

The invention discloses a medium-low temperature heat-power conversion green working medium as well as a preparation method and application thereof. The green working medium comprises the following components in percentage by mass: 25-90% of alcohol, 1-5% of alcohol amine, 1-5% of aromatic compound and the balance of water. The alcohol comprises at least three of methanol, ethanol, isopropanol, ethylene glycol, n-propyl alcohol and n-butyl alcohol. The working medium absorbs heat through coupling physical phase change and chemical reaction, the heat sink of the working medium can reach 6 MJ / kg or above, and the working medium can be used for aerodynamic heat absorption of a high-speed aircraft with the speed higher than 5 Mach, has the advantages of being low in cost and high in cooling capacity and is suitable for a thermal protection system of a high-heat-flux and long-time aerodynamic heating component; in addition, high-temperature and high-pressure small-molecule gas is generated for acting, and the maneuverability of the high-speed aircraft is effectively enhanced.

The utility model discloses an intelligent heating cushion, relates to heating cushion technical field, including heating cushion body, heating ring and support pad, the heating ring is located the bottom of heating cushion body inner wall, the support pad is fixed at the bottom of heating cushion body, the top of heating ring is fixedly connected with the heat absorption uniform subassembly, the heat absorption uniform subassembly is fixed in the heating cushion body. The bottom of the inner wall of the heating cushion body is fixedly connected with a heat preservation and insulation assembly. According to the intelligent heating seat cushion, heat generated by the heating ring is uniformly heated through the heat absorption uniform assembly, the heat preservation and insulation assembly can effectively conduct heat preservation and insulation, the economic cost of the heating seat cushion body in use is reduced, and the problem that most of existing intelligent heating seat cushions are directly heated through the heating ring, and the heating efficiency is high is solved. The intelligent heating cushion solves the problems that in the heating process, a heat source is prone to being concentrated, heating is not uniform, the use comfort of a user is affected, and the use effect of the intelligent heating cushion is reduced, and the effect of uniform heating is achieved.

The utility model relates to a honeycomb-structured compound wear-resistant block for a heating surface of a circulating fluidized bed boiler, belonging to the technical field of wear resistance of the heating surface of the circulating fluidized bed boiler. Abrasion of a heating surface of the circulating fluidized bed boiler is relieved, and the heat absorption capacity of the heating surface can be improved. According to the technical scheme, the honeycomb structure compound anti-abrasion block for the heating surface of the circulating fluidized bed boiler comprises outer rib plates and inner rib plates, 18 outer rib plates form a polygonal peripheral structure, and 12 inner rib plates evenly divide the polygonal peripheral structure formed by the outer rib plates into seven regular hexagons. Meanwhile, three rows of longitudinal pipe clamping grooves are formed in the outer rib plates and the inner rib plates in parallel, the pipe clamping grooves are semicircular, the included angle between the inner rib plates and the outer rib plates is 120 degrees, the included angle between the outer rib plates is 120 degrees, the included angle between the inner rib plates is 120 degrees, the width of the inner rib plates and the outer rib plates is 5-100 mm, the arc radius range of the pipe clamping grooves is 16-40 mm, and the rare earth alloy heat-resistant steel is cast and formed.

The application discloses a liquid cooling radiator and a liquid cooling heat dissipation temperature control method thereof, and the radiator comprises a cooling liquid tank and a cold head, both ends of the front face of the cooling liquid tank are fixedly provided with heat dissipation fans, and the cold head is sequentially composed of a pump body, a liquid guide assembly and a CPU positioning rack from top to bottom, and the pump body is composed of a conveying pipe and a return pipe; the liquid guide assembly comprises a fixed head fixedly arranged at the bottom of the pump body, and a liquid guide plate is fixedly arranged at the bottom of the fixed head; the modular design of the liquid guide assembly greatly facilitates assembly and maintenance while guaranteeing the sealing effect; the core spiral flow channel design enables the cooling liquid to flow slowly in a spiral path, effectively solves the problems of insufficient heat absorption of the existing linear flow channel and flow resistance of the serpentine flow channel, cooperates with a one-way valve to ensure one-way stable circulation of the cooling liquid, significantly improves heat dissipation uniformity, completely eliminates the "hot spot" on the surface of the CPU, and greatly improves the heat dissipation efficiency and the CPU operation stability.

The application belongs to the technical field of diamond roller, and discloses a high-precision double-blade diamond roller, which comprises a base ring, the outer surface of the base ring is fixedly sleeved with a diamond grinding ring, the inner surface of the base ring is provided with an inner ring cavity, and the outer surface of the base ring is provided with a through hole penetrating through it. By utilizing the ring groove and the communication cavity in the sleeve shaft, the first communication sleeve hole and the second communication sleeve hole in the sleeve shaft, and the movable ring movably sleeved in the ring groove, the cutting fluid is stably input into the sleeve shaft and guided into the inner ring cavity of the base ring by rotating the movable ring, the input cutting fluid is fully input into the through hole and directly contacts the injection part of the diamond grinding ring in the inner ring cavity of the base ring, so that the heat absorption effect is greatly improved, the cutting fluid is sprayed out to perform liquid cooling from the inner side and the outer side of the diamond grinding ring, and the input cutting fluid reduces the oxidation corrosion and maintains the high-efficiency and stable cooling.