387results about How to "Realize the cooling effect" patented technology

The invention discloses an integrated dedusting-cooling system and method for a high-temperature mining working face of a mine. The integrated dedusting-cooling system comprises a sensor monitoring device, a fuzzy PID control device and a dedusting-cooling device, after the compressed air injection unit of the dust removal and cooling device sucks high-temperature dust-containing airflow in the environment into the system, primary dust removal is performed in the humidification and growth unit firstly, then cold fog cooling and secondary dust removal are performed in the cold fog dust removal unit, and finally airflow purification and tertiary dust removal are performed in the dust filtration and fog dissipation unit. In addition, the sensor monitoring device is adopted to collect environmental monitoring data in real time and feed back the environmental monitoring data to the fuzzy PID control device for processing, when any monitoring data deviates from the environmental parameters set by the system, the working condition of the dust removal and cooling device can be adaptively regulated and controlled, and then continuous dust removal and cooling are conducted on the high-temperature mining working face under different environmental parameters. And efficient cooperative treatment of dust and heat damage on the high-temperature mining working face of the mine is realized. The device has the advantages of being small in dust escape amount, high in dust removal-cooling efficiency and low in energy consumption.

The utility model discloses an air conditioning system, which belongs to the technical field of air conditioners and comprises an outdoor heat exchanger, a compressor, a first expansion valve, a four-way valve, a first heat exchanger, a water tank and a second heat exchanger, the outdoor heat exchanger is used for exchanging heat with outdoor air; the compressor is used for driving a refrigerant to flow; the first expansion valve is used for throttling a refrigerant passing through the first expansion valve; the four-way valve is used for switching the flow direction of a refrigerant; the first heat exchanger is used for exchanging heat with indoor air; the first heat exchanger, the compressor, the first expansion valve and the outdoor heat exchanger form a first refrigerant circulation loop through a pipeline; the second heat exchanger is used for exchanging heat with water in the water tank; the second heat exchanger, the compressor, the first expansion valve and the outdoor heat exchanger form a second refrigerant circulation loop through a pipeline; when the first heat exchanger is an evaporator, the compressor drives a part of refrigerant to flow into the first heat exchanger after flowing through the outdoor heat exchanger and the first expansion valve for throttling; the compressor drives the other part of refrigerant to flow into the first heat exchanger after flowing through the second heat exchanger; and the refrigerant flowing into the first heat exchanger flows back to the compressor.

The invention provides a wafer stretching and stripping device and method, and relates to the technical field of semiconductor processing, the device comprises a first stretching and stripping device and a second stretching and stripping device which are oppositely arranged, and each of the first stretching and stripping device and the second stretching and stripping device comprises a bonding disc workpiece and a tension arm, the bonding disc workpiece is used for stretching and stripping a wafer, and the tension arm is used for adjusting the relative distance between the first stretching and stripping device and the second stretching and stripping device; the bonding disc workpiece comprises a constant-temperature heating plate and a transition plate, a heating and cooling device is arranged in the constant-temperature heating plate, the transition plate is arranged on the outer side of the constant-temperature heating plate and used for making contact with a silicon carbide crystal ingot, and the difference value of the thermal expansion coefficient of the transition plate and the thermal expansion coefficient of silicon carbide is smaller than the difference value of the thermal expansion coefficient of the constant-temperature heating plate and the thermal expansion coefficient of the silicon carbide; the silicon carbide crystal ingot has a modified layer at a first distance from a first end face of the silicon carbide crystal ingot. According to the invention, the yield of fragmentation can be improved.

The invention discloses a temperature adjusting device and an integrated chip testing device, the temperature adjusting device is applied to an integrated chip testing scene, the temperature adjusting device comprises a first semiconductor chilling plate, the first end face of the first semiconductor chilling plate is configured to be attached to one side of a to-be-tested integrated chip, and the second end face of the first semiconductor chilling plate is configured to be attached to the other side of the to-be-tested integrated chip; the heat exchanger is used for absorbing heat of the to-be-tested integrated chip or transferring heat to the to-be-tested integrated chip; the heat exchange assembly is attached to the second end face of the first semiconductor chilling plate and used for conducting heat exchange with the first semiconductor chilling plate. According to the scheme, the speed of refrigerating or heating the to-be-tested integrated chip by the semiconductor refrigerating sheet can be increased, so that the to-be-tested integrated chip is cooled or heated more quickly.

The utility model discloses a ventilation cooling structure of a forage grass cultivation container, and relates to the technical field of forage grass. The device comprises a container assembly, a ventilation assembly and a humidification assembly, the container assembly comprises a box body, three placement plates are fixedly installed in an inner cavity of the box body, cultivation trays are movably installed on the two sides of the top of each placement plate, and a collection box is movably installed at the bottom of the inner cavity of the box body. By arranging the humidifying assembly, when the temperature in the box body is too high or the humidity is too low, a water pump is started, when the water pump is used, water flow in a water tank is conveyed into a water outlet pipe through a water inlet pipe, water flow in the water outlet pipe is conveyed into a flow dividing pipe, and water flow in the flow dividing pipe is conveyed into a plurality of connecting pipes; and water in the connecting pipe is atomized and sprayed out of the interior of the box body through the atomizing nozzles, so that the cooling and humidifying effects can be achieved, it is guaranteed that the temperature and humidity in the box body are appropriate, and an appropriate growth environment is provided for pasture.

The invention relates to the technical field of shearing devices for unmanned aerial vehicle production, in particular to a cutting device and method for unmanned aerial vehicle production. The device comprises a workbench, a cutting disc cutting device body is arranged on the workbench, and a cutting disc is arranged below the cutting disc cutting device body and used for cutting an unmanned aerial vehicle; a water adding device is arranged on the cutting disc cutting device body, a mounting cylinder is further arranged on the workbench and close to the cutting disc, the two sides in the mounting cylinder communicate with a dust suction pipe and an air blowing pipe correspondingly, a second negative pressure fan is arranged at the position, located at the communicating position of the dust suction pipe, in the mounting cylinder, and a water adding pipe communicates with the position, located above the second negative pressure fan, of the mounting cylinder. The water adding pipe is communicated with the water adding device, the second negative pressure fan is used for scattering water sprayed into the mounting cylinder by the water adding pipe, positive pressure generated by the dust suction pipe blows the water to the back of the rotating direction during cutting of the cutting disc, and the temperature of the cutting disc and the cutting position is rapidly reduced through cooperation of the water adding device, the air blowing nozzle and the dust suction cover.

The invention provides a photovoltaic solar power generation panel protection device, and relates to the photovoltaic field, the photovoltaic solar power generation panel protection device comprises a mounting rack and a photovoltaic power generation panel, the mounting rack is internally provided with a mounting groove, the mounting rack is internally provided with a wind stabilizing device and a heat dissipation device, the wind stabilizing device comprises a wind pressure assembly and an adjusting assembly used for adjusting the angle, and the wind pressure assembly is provided with a wind pressure. The air pressure assembly comprises an air pressure plate, a first rotating shaft and an air collecting pipe, the adjusting assembly comprises a pull rod, a screw rod, a rotating handle and a fixing plate, the heat dissipation device comprises a driving assembly and a water cooling assembly, the driving assembly comprises a second rotating shaft, an arc-shaped fan, a water wheel and a water scooping plate, and the water cooling assembly comprises a heat conduction pipe, a backflow pipe and a water tank. Through the cooperation of the wind stabilizing device and the heat dissipation device, the stability of the photovoltaic power generation panel in strong wind weather is improved, the photovoltaic power generation panel is not easy to turn over, the heat dissipation performance is improved by using wind energy, and the power generation efficiency is improved.

The utility model relates to the technical field of heat dissipation of photoelectric devices, and provides a heat dissipation device and a light source module. The heat dissipation device comprises an air guide module, a heat conduction piece, a fin heat dissipation module, a plurality of heat pipes and a fan module. The air guide module is provided with a heat dissipation cavity, an air inlet and an air outlet, the fan module is used for driving airflow to sequentially pass through the air inlet, the heat dissipation cavity and the air outlet; a plurality of first mounting grooves are formed in the surface of one side of the heat conduction piece, the first mounting grooves are distributed at intervals in the first direction, the fin heat dissipation module is mounted in the heat dissipation cavity, and the fin heat dissipation module is provided with a plurality of second mounting grooves; one end of the heat pipe is installed in the first installation groove, and the other end of the heat pipe is installed in the second installation groove. The interval between every two adjacent first installation grooves is smaller than the height of each first installation groove, so that more first installation grooves are formed in the same surface area, the number and density of the heat pipes are increased, the heat conduction capacity is improved, and the heat dissipation requirements of high power density and high power are met.

The invention provides a temperature control system for a radiation calibration device of an ultra-large-diameter infrared camera. The temperature control system comprises a meter-scale surface source blackbody radiation source, a temperature acquisition and control system, a heating plate group, a programmable power supply group, a low-temperature electromagnetic valve group, a liquid nitrogen supply system and an embedded control system, the temperature collection and control system collects the temperature of a radiation surface in real time through a temperature sensor and transmits the temperature to the control system, the temperature is compared with the set temperature, PID control is adopted, the refrigeration power and the heating power are controlled through two paths of output respectively, and the blackbody radiation source liquid nitrogen pipeline controls the meter-scale surface source blackbody radiation source through a plurality of low-temperature linear electromagnetic valves. The black body radiation source area is refrigerated; the programmable power pack controls the heating plate group to heat the blackbody radiation source area; the embedded control system realizes input and output of data, realization of a control strategy and remote transmission and communication of the data. The system can perform high-precision control and rapid measurement on the temperature of the black body, and improves the uniformity and stability of the meter-scale surface source black body.

The embodiment of the invention provides an automobile air conditioner heat exchange assembly, an automobile air conditioning box and an automobile air conditioning system, and relates to the field of vehicle-mounted air conditioners, and the automobile air conditioner heat exchange assembly comprises a heat exchange core body, a refrigeration connector and a heating connector. And the heat exchange core body is provided with a heat exchange channel for a refrigerant to flow. The refrigerating connector and the heating connector are both connected with the heat exchange core body and communicate with the heat exchange channel, and one of the refrigerating connector and the heating connector is selectively used in cooperation with the heat exchange core body. The heat exchange core body of the automobile air conditioner heat exchange assembly integrates the functions of the evaporator and the condenser, and is simple in structure, small in size, beneficial to miniaturization and light weight design, few in parts needed for installation and low in assembly cost.

The invention discloses a battery module, a thermal control system and electric equipment, and belongs to the technical field of batteries, the battery module comprises a shell, the shell is provided with a containing cavity, a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are communicated with the containing cavity; the battery module is arranged in the accommodating cavity, and the battery module comprises a plurality of battery monomers which are arranged along a first direction; the partition plates are arranged on at least one side of the battery monomers in the first direction and attached to the battery monomers, flow channel grooves are formed in the partition plates towards the battery monomers, openings are formed in the two ends of each flow channel groove, and the flow channel grooves communicate with the containing cavity through the openings. Therefore, the immersion liquid enters the accommodating cavity through the liquid inlet and then enters the runner groove through the opening to exchange heat with the battery monomer, so that the temperature of the battery monomer is reduced or increased, finally, the immersion liquid flows out through the liquid outlet, and in the process, the immersion liquid is directly contacted with the battery monomer, so that the heat control efficiency of the battery monomer is improved.

The invention provides an ammonia fuel cracking supply system of a gas turbine. The system comprises a liquid ammonia storage tank, a liquid ammonia supply pump, an air vaporizer, a heat exchanger, a first ammonia cracker, a compression and expansion all-in-one machine, the gas turbine and the like. Wherein liquid ammonia is supplied to the air vaporizer through the liquid ammonia supply pump; one end of the heat exchanger is communicated with the air vaporizer, and the other end is communicated with the first ammonia cracker; one end of a compression-expansion all-in-one machine introduced by the system is communicated with the heat exchanger, and the other end is communicated with the gas turbine. The air vaporizer adopts an exhaust heat source to gasify liquid ammonia into ammonia gas. Ammonia gas discharged from the air vaporizer enters the heat exchanger, exchanges heat with cracked gas after cracking to be heated, and then is guided into the first ammonia cracker. Ammonia gas is decomposed into mixed gas of hydrogen and nitrogen in the first ammonia cracker, the mixed gas can enter the heat exchanger, and the mixed gas enters the compression and expansion all-in-one machine after being subjected to heat exchange and cooling in the heat exchanger, and is conveyed to the gas turbine after being pressurized and cooled.

The utility model discloses a heat exchange device for cooling water of a data center, and relates to the technical field of computer equipment. The device comprises a base, the top of the base is respectively provided with a compression refrigerating machine and a plate heat exchanger, and the top of the base is respectively provided with a conveying pipe and a drainage pipe; a waste heat recovery assembly is arranged at the top of the base and comprises a collecting shell, the collecting shell is arranged at the top of the base, and a heat exchange pipe is arranged at the top of the collecting shell. Through the arrangement of the waste heat recovery assembly, high-temperature cooling liquid discharged by the data center can be circulated through the heat exchange pipe, the effect of recovering heat energy is achieved by spraying water to the surface of the heat exchange pipe and conducting the temperature of the cooling liquid, meanwhile, water sprayed to the surface of the heat exchange pipe can evaporate and absorb heat under the influence of high temperature, and therefore the heat energy is recovered. The effect of cooling the cooling liquid is achieved, and the cooling liquid can be cooled while waste heat recovery is achieved.

The invention discloses a heat dissipation system and electronic equipment, and is applied to the field of liquid cooling heat dissipation, and the system comprises a jet cooling part which is internally provided with a cooling cavity, and the outer side of the bottom of the cooling cavity is used for being attached to a to-be-cooled shell, so that the heat of the to-be-cooled shell is transmitted to the inner side of the bottom of the cooling cavity from the outer side of the bottom of the cooling cavity, and the cooling cavity is used for cooling the to-be-cooled shell; a heating element is arranged in the to-be-cooled shell; and the jet flow nozzle is installed on the jet flow cooling component, the jet flow nozzle is used for jetting a jet flow working medium into the cooling cavity, and the jet flow nozzle faces the inner side of the bottom of the cooling cavity. According to the heat dissipation system provided by the invention, the cost is reduced, the safety is higher, the to-be-cooled shell is more convenient to disassemble, assemble and maintain, the layout is reasonable, the manufacturing cost is low, and meanwhile, the heat dissipation efficiency is higher.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a high-strength corrosion-resistant ABS composite flame-retardant material and a preparation method thereof. The ABS composite flame retardant material is prepared from the following raw materials in parts by weight: 60 to 75 parts of acrylonitrile-butadiene-styrene, 10 to 15 parts of glass fiber, 0.5 to 1 part of gamma-aminopropyltriethoxysilane, 8 to 12 parts of phosphorus-nitrogen flame retardant, 1 to 3 parts of nano aluminum oxide, 0.5 to 1 part of potassium perfluorooctane sulfonate, 1 to 3 parts of epoxy modified graphene oxide and 5 to 8 parts of modified nano montmorillonite. Through the synergistic effect of the epoxy silane modified graphene oxide and the long-chain alkylsilane modified nano montmorillonite, the mechanical property, the corrosion resistance and the flame retardant effect of an ABS matrix are remarkably enhanced. The modified material maintains toughness under high strength, effectively avoids embrittlement, and shows excellent impact resistance and environmental protection property.

The invention relates to the technical field of air conditioner heat dissipation, in particular to an air conditioner multi-stage heat dissipation device and method with a heat accumulation prevention function. The air conditioner multi-stage heat dissipation device comprises an air guide pipe and a discharge pipe fixed to the side wall of the air guide pipe, a first sieve plate is fixed to the end, away from the discharge pipe, of the air guide pipe, and a second sieve plate is fixed to the side wall of the discharge pipe; a liquid storage tank is further fixed on the air guide pipe; the fan is rotationally mounted in the air guide pipe and used for controlling external air to enter the air guide pipe; the driving mechanism is arranged in the air guide pipe, a water-cooling circulating mechanism connected with the driving mechanism is further arranged in the air guide pipe, and a circulating cooling pipe communicated with the liquid storage tank is connected to the water-cooling circulating mechanism; according to the multi-stage air conditioner, multi-stage heat dissipation of the air conditioner can be achieved through cooperation of water cooling and air cooling, the output power of water cooling and the output power of air cooling are automatically adjusted according to the temperature of the air conditioner, and therefore the heat dissipation effect is automatically adjusted.

The utility model provides water temperature regulation and control equipment for penaeus vannamei culture, which belongs to the technical field of aquaculture equipment and comprises a flow regulation mechanism communicated with culture equipment. The flow adjusting mechanism communicates with refrigeration equipment through a first flow dividing pipe and communicates with heating equipment through a second flow dividing pipe. The output end of the first water pump is communicated with a filter box and a second water pump, and the second water pump is communicated with the refrigeration equipment and the heating equipment. By arranging the flow adjusting mechanism, switching of cold water and hot water and adjustment of water quantity are achieved, so that adjustment of water temperature in the breeding barrel is achieved, and proper breeding water temperature is guaranteed; according to the penaeus vannamei breeding device, water is recycled, meanwhile, circulating water is subjected to split-flow heating or refrigeration, water temperature adjustment is guaranteed, the water utilization rate is increased, meanwhile, the water level in the breeding barrel can be prevented from being too high, and the breeding effect of penaeus vannamei is improved.

According to the high-efficiency driving device of the five-axis cam rotary table, a cam mechanism is soaked in lubricating oil, friction between moving parts is remarkably reduced, and a compensation assembly communicates with a lubricating oil groove through a pair of lubricating pipelines; the blocking assembly filters impurities through a pair of protection one-way valves in the circulating groove and a filtering frame in the sealing groove, a spiral blade and a scraping strip in the filtering frame effectively remove the impurities through rotation, cleanliness of lubricating oil is kept, and the cooling assembly cools the lubricating oil through cooling water in the cooling groove and heat conduction oil in a cooling pipeline in combination with a liquid cooling cooler. The niter cooling particles are automatically started when the temperature of the cooling water is too high, cooling is further assisted, efficient and stable operation of the system is ensured, the overall structural design is simple, functions are integrated, and the reliability and operation efficiency of the five-axis cam rotary table driving device can be effectively improved.

The utility model discloses an air-cooled water chiller with an impurity removal mechanism, which comprises an air-cooled mechanism and a condenser arranged in the air-cooled mechanism, a water-cooled mechanism is arranged at the bottom of the air-cooled mechanism, a water pump is arranged on one side in the water-cooled mechanism, the air-cooled mechanism comprises an air-cooled box, and the air-cooled box is provided with an air inlet and an air outlet. Connecting hinges are symmetrically installed on the two sides of the top of the water spraying air cooling box, the tops of the two connecting hinges are rotationally connected with an access cover, a motor cover is fixedly installed at the bottom of the air cooling box, an unfolding motor is fixedly installed on one side of the interior of the motor cover, and the output end of the unfolding motor is fixedly connected with a chain wheel transmission assembly. Lifting threaded rods are symmetrically installed on the top of the chain wheel transmission assembly, rapid cooling of cooling fins is achieved through a cooling fan, meanwhile, the cooling fins can take away heat of a condenser, the cooling effect of the water cooler is achieved, and dust and impurities in air can be effectively filtered out by arranging a dustproof net.

The invention discloses an ultrathin precision stainless steel strip stress removing device and a stress removing method thereof.The device comprises a bottom plate, a cooling box and an air cooling mechanism, a heating mechanism is fixed to the left side of the upper end face of the bottom plate, a fixing box fixed to the bottom plate is arranged on the right side of the heating mechanism, and a vibration mechanism is fixed in the fixing box; a cooling box is fixed to the right side of the upper end face of the bottom plate, and an air cooling mechanism is installed in the cooling box. According to the ultra-thin precise stainless steel strip stress removing device and the stress removing method thereof, the knocking vibration mechanism is adopted, the stainless steel strip can generate slight vibration, and therefore the primary stress removing effect and the secondary stress removing effect are achieved, the heating mechanism and the linkage adjustable air cooling mechanism are matched, the secondary stress removing effect of the stainless steel strip can be achieved, and the stress removing efficiency is improved. And through the adjustable air cooling mechanism, the air cooling range can be effectively enlarged, the rolling cooling mechanism is matched, the secondary cooling and flattening effects of the stainless steel strip can be achieved, and the cooling effect and flatness of the stainless steel strip are guaranteed.

The invention discloses a balance weight filling compaction platform, and belongs to the field of compaction platforms, the balance weight filling compaction platform comprises a base, a balance weight compaction device is fixedly mounted on the inner bottom wall of the base, a vacuum cylinder is fixedly mounted on the balance weight compaction device, a pressing assembly is arranged in the vacuum cylinder, an extrusion assembly is arranged in the vacuum cylinder, and the balance weight compaction device is fixedly mounted on the vacuum cylinder. The vacuum cylinder is fixedly provided with a driving assembly, the counterweight compaction equipment is fixedly provided with a heat conduction cylinder, the heat conduction cylinder is provided with a cooling assembly, the extrusion assembly comprises a first reciprocating lead screw rotationally installed on the inner top wall of the vacuum cylinder, and the inner top wall of the vacuum cylinder is rotationally provided with a second reciprocating lead screw. According to the concrete vibration compaction device, the exhaust effect of concrete in the vibration compaction process can be effectively improved through the continuous low-pressure environment in the vacuum cylinder, and meanwhile through compression and rotation of gas in the vacuum cylinder, the uniformity of the overall temperature of the concrete and the uniformity of overall exhaust of the concrete are facilitated.

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for recycling high-temperature waste gas, which comprises a water tank, a gas inlet joint arranged on one side of the water tank, a spiral heat conduction pipe arranged at one end of the gas inlet joint, a first gas conveying pipe arranged at one end of the spiral heat conduction pipe, and a cyclone separator arranged at one end of the first gas conveying pipe. A filtering mechanism is arranged above the cyclone separator, a solid impurity collecting mechanism is arranged below the cyclone separator, a second gas conveying pipe is arranged at the upper end of the filtering mechanism, a gas purifying box is fixedly arranged at one end of the second gas conveying pipe, a mounting frame is arranged in the middle of the gas purifying box, a liquid storage box is arranged in the mounting frame, and a water pump is arranged below the liquid storage box; a spraying pipe is arranged below the water pump, two inclined plates are symmetrically arranged at the lower end of the air purifying box, a water outlet is formed between the inclined plates, and a waste liquid collecting box is arranged below the water outlet. The temperature of waste gas can be reduced through the water tank, and solid particles in the waste gas are separated from the waste gas through the cyclone separator.

The utility model discloses a forming device for two-component silicone rubber, which relates to the technical field of forming devices and comprises an operation table, a mold is fixedly connected to the upper surface of the operation table, a partition plate is fixedly connected to the inside of the mold, and the inside of the mold is divided into a forming cavity and a control cavity by the partition plate. And the forming cavity is located above the control cavity, a top plate is arranged in the forming cavity in a sliding mode, a jacking cavity is formed between the top plate and the partition plate, the jacking cavity communicates with the control cavity through a second conveying channel, a spiral channel is formed in the wall body of the mold, and the spiral channel surrounds the outer side of the forming cavity. According to the forming device for the two-component silicone rubber, by arranging the spiral channel, the first conveying channel, the second conveying channel, the top plate and other structures, the effects of cooling and jacking demolding can be achieved at the same time, and the forming efficiency is improved.

The utility model relates to the field of indoor temperature and humidity control, in particular to an indoor constant temperature and humidity control device. The indoor constant temperature and humidity control device comprises a shell, first fans, a heating plate and a refrigerating assembly, the first fans distributed left and right are installed on the upper portion in the shell, the heating plate is installed on the upper portion in the shell, and the refrigerating assembly is installed in the shell. By arranging the first fan, the heating plate, the refrigerating assembly and the like, the second fan rotates to roll indoor hot air or cold air into the middle of the interior of the shell, the refrigerating assembly or the heating plate operates to cool or heat the rolled hot air or cold air, and therefore the cold air or the hot air is obtained; and the first fan rotates to discharge cold air or hot air into the upper part in the shell, and the third fan rotates to blow the cold air or hot air into a room, so that the effect of cooling or heating the room is realized, the device is suitable for summer and winter, and the practicability of the device is improved.

The invention relates to a lithium slag-based temperature-inhibiting anti-cracking waterproof agent and a preparation method thereof, and belongs to the technical field of building materials such as cement and concrete. The lithium slag-based temperature-inhibiting anti-cracking waterproof agent comprises the following components in percentage by mass: 40%-50% of modified lithium slag, 18%-30% of a calcium ion compensating agent, 9%-19% of a complexing agent, 10%-23% of a precipitation component, 1%-4% of silicone zirconium and 3%-7% of temperature change induction fibers, wherein the total mass of the raw materials is 100%; the preparation method comprises the following steps: weighing the raw material components according to the mass fraction, and uniformly mixing to obtain the lithium slag-based temperature-inhibiting anti-cracking waterproof agent. The lithium slag-based temperature-inhibiting anti-cracking waterproof agent can be used for specifically reducing concrete shrinkage cracks, reducing the internal temperature rise of the concrete and realizing crack self-repairing in the service stage of the concrete.

The invention provides an indoor unit of an embedded air conditioner and the embedded air conditioner. The indoor unit comprises an indoor fan, an air inlet is formed in the lower side of the indoor fan, and an air outlet is formed in the periphery of the indoor fan; the indoor heat exchanger extends in the peripheral direction of the indoor fan and is arranged opposite to the air outlet, and the indoor heat exchanger is arranged around the indoor fan; the side wall face, facing the air outlet, of the indoor heat exchanger forms a heat exchange face, and an air guide mounting plate is arranged on the heat exchange face, extends in the width direction of the indoor heat exchanger and is parallel to the central axis of the indoor fan. And at least the part, connected to the heat exchange surface, of the air guide mounting plate is perpendicular to the heat exchange surface. According to the indoor unit and the embedded air conditioner provided by the invention, the aerodynamic performance between the fan blade air outlet and the indoor heat exchanger can be effectively improved, the generation of vortexes is reduced, and the generation of fin noise at the indoor heat exchanger is reduced.

The utility model relates to the technical field of electrical heat dissipation devices, in particular to a heat dissipation structure for an electrical converter, which solves the problems that dust in air can enter a cabinet body along with rotation of a fan, dust is accumulated and is not easy to clean due to overlong time, and the heat dissipation efficiency of the electrical converter is reduced, and comprises a cabinet body and a cabinet door, three cavities are formed in the cabinet body and open towards the side portion, a plurality of assemblies are installed in the cavity on one side, a pair of fixing frames are installed in the middle of the middle cavity, an electrical alternating current device is installed between the two fixing frames, the top and the lower portion of the middle cavity of the cabinet body are each provided with an air scattering cover, and the air scattering covers are connected with the cabinet body through a plurality of connecting rods. A filter screen is arranged on the cabinet door, a plurality of ventilation holes are formed in each air dissipation cover, a temperature detector is installed on one side of the upper portion of a cavity in the middle of the cabinet body, a fixing plate is fixedly connected to the lower portion of a cavity on the other side of the cabinet body, and a controller is installed on the inner wall of the upper portion of the cavity.

The invention belongs to the technical field of orthotics, and particularly relates to an orthotics for treating instable distal radioulnar joints, which comprises an upper arm support, a front arm support, a palm back support and a palm center support, the upper arm support and the front arm support are connected through a rotatable support, the front arm support and the palm center support are connected through an adjusting mechanism, and binding bands are arranged on the palm center support and the palm back support. When a patient feels that the hand is hot and sweats, the motor is adopted to drive the output shaft to rotate periodically, when the driving plate passes through the sliding plate, the sliding plate is pushed to move, then the sliding plate pushes air in the hollow block to the air outlet hole and blows the air to the hand of the patient, the hand cooling effect is achieved, and once the driving plate completely passes through the sliding plate, the hand is cooled. The first spring drives the sliding plate to reset upwards, the sliding plate can repeatedly move up and down through continuous rotation of the driving plate, it is ensured that air in the cavity can be continuously blown to the hands of the patient through the air outlet holes, and therefore cooling is continuously conducted.

The utility model relates to a main control valve suitable for a kitchen fire-fighting tank body, which comprises a valve base, a connecting guide component arranged at the lower end of the valve base, a bearing support arranged at the upper end of the valve base, a longitudinal guide groove arranged on the bearing support, and a percussion component arranged at the position of the bearing support corresponding to the connecting guide component. The percussion assembly is provided with a transverse gear lever, the transverse gear lever is movably connected with a bearing release assembly, the bearing release assembly is provided with a bearing cross rod, the bearing cross rod is connected with a conduction assembly, the connection guide assembly comprises a connection sleeve, and the connection sleeve is provided with an air inlet port and an air outlet port which are communicated with each other. And the receiving and releasing assembly is connected with the percussion assembly. Therefore, the device adapts to release transmission of a release steel wire arranged in an existing kitchen fire fighting system, physical transmission is achieved, an electronic release valve body does not need to be configured, implementation cost is reduced, and better mechanical stability is achieved.

The invention relates to the technical field of metal processing equipment, and discloses a well type annealing furnace for nonferrous metal copper processing, which comprises a metal annealing furnace assembly, an exhaust assembly is fixedly mounted at the upper end of the metal annealing furnace assembly, a cooling assembly is fixedly mounted on the outer side of the metal annealing furnace assembly, and a purification assembly is fixedly connected to the outer end of the exhaust assembly. The metal annealing furnace assembly comprises an annealing furnace wall, electric heating resistance wires which are evenly distributed are arranged on the inner side wall face of the annealing furnace wall, a furnace base is fixedly installed at the bottom end of the annealing furnace wall, a furnace top plate is fixedly installed at the upper end of the annealing furnace wall, an in-wall cavity is formed in the inner wall of the annealing furnace wall, and an installation column casing is fixedly installed at the upper end of the furnace top plate. And base holes are evenly distributed in the furnace base, the exhaust assembly comprises a mounting hole plate, the mounting hole plate is fixedly connected to the inner wall of the bottom end of the mounting column casing in a sleeving mode, and the device has the cooling function of combining air cooling and water cooling and has a certain environment-friendly function.