416 results about "Cooling cycle" patented technology

The invention discloses a control method for a cooling circulation system of a multi-core processor, and relates to the technical field of computer hardware heat dissipation, and the control method comprises the following steps: the multi-core processor is responsible for executing a calculation task; the sensor module monitors the temperature of each core; the cooling system control module is used for receiving data from the temperature sensor and the load monitoring module, calculating the cooling requirement of each core according to the data and commanding a cooling unit to adjust; the cooling unit is used for adjusting cooling equipment to reduce the temperature of the processor according to an instruction of the control unit; and the debugging interface is used for monitoring the state of the system and displaying the temperature, the load and the cooling resource distribution condition of each core. The method has the beneficial effects that the rotating speed of the fan, the liquid cooling flow and the working state of the heat pipe system can be accurately controlled by combining the accurate analysis of the load change and the temperature data, the heat dissipation efficiency of the processor is improved, and the energy waste is reduced.

The invention belongs to the technical field of ship bearings, and particularly relates to a ship bearing radial loading test bench and method for simulating ice load and water immersion working conditions, and the method comprises the steps: installing a to-be-tested intermediate bearing on a test platform, enabling the intermediate bearing to sleeve a test shaft, starting a cooling water circulation system to control the flow, cooling water enters a cooling water coil pipe to establish oil pool cooling circulation; a driving motor is started; a test shaft stably operates through equipment such as a reduction gearbox and the like; a dynamic pressure lubrication state is established, a radial dynamic load or a stable constant load is applied through a hydraulic loading system to simulate an icebreaking load working condition, and a simulated water body is injected into a water tank; the test conditions of the intermediate bearing in a ship immersion environment are constructed through water pressure adjustment, the temperatures of lubricating oil, a bearing bush and cooling water are monitored in real time, the loading force is adjusted through feedback data, and the performance of the intermediate bearing is judged after the test is finished. The problems that ice excitation and soaking environment simulation are insufficient and a loading structure is eccentric in the prior art are solved, and high-precision cooling and thermal stability evaluation are achieved.

The invention relates to the technical field of task scheduling, in particular to a task scheduling optimization system for a smelting process, which comprises a furnace temperature identification module, a hot load analysis module, a load screening module, a sorting regulation and control module and a task joint control module. According to the method, a stable operation section is screened based on thermocouple time sequence temperature difference fluctuation characteristics, task identification is ensured to be in tight fit with a real metallurgical process state, furnace profile thermal parameters and raw material attributes are introduced to dynamically estimate task thermal loads, and the heat adaptation relation between tasks and equipment is determined; safety load interval limitation is set in the screening task and furnace body combination process, the safety and matching precision of resource allocation are improved, meanwhile, cooling period limitation is embedded in task sorting to recognize delay tasks, scheduling continuity and task connection reasonability are enhanced, the capacity of a scheduling strategy for responding to actual operation constraints is improved, and the service life of the scheduling strategy is prolonged. The overall optimization of accurate task screening, reasonable load distribution and ordered scheduling sequence is realized.

A liquid cooling data center waste heat driven Carnot battery comprises a data center liquid cooling loop, a heat pump circulation loop, a heat storage unit, a power circulation loop and a cooling water loop. The data center liquid cooling loop exchanges heat with the server through the liquid cooling technology to absorb waste heat of the data center, and cooling and heat transfer of the data center are achieved. In the charging process, the system utilizes off-peak electricity or renewable energy electricity to drive a heat pump circulation loop, the temperature of waste heat is increased, and the waste heat is stored in a high-temperature water tank; in the peak period of electricity utilization, the power circulation loop converts high-temperature heat energy stored in the high-temperature water tank and heat energy of cooling liquid in liquid cooling circulation of the data center into electric energy through the high-temperature heater and the low-temperature heater, and therefore energy is supplied to the data center. According to the system, the waste heat of the liquid cooling data center is utilized in the charging and discharging process, so that the recovery efficiency of the waste heat of the data center is improved, and the back-and-forth efficiency of the Carnot battery is also improved.

The invention relates to the technical field of immersion liquid cooling control, in particular to an immersion liquid cooling data control method and system combining photovoltaic and low-temperature waste heat power generation, and the method comprises the steps: transmitting low-temperature waste heat generated by the operation of a server to a liquid cooling circulation system, capturing solar radiation energy through a synchronous photovoltaic module, forming basic energy input, and transmitting the basic energy input to a server; generating a symbiotic energy substrate; the symbiotic energy substrate drives dual-path conversion, and photovoltaic electric energy is directly supplied to a cooling system pump set and a control unit to maintain liquid cooling circulation; afterheat pushes an expansion unit to generate power through organic working medium gasification, so that energy consumption of a cooling system is supplemented, and an energy flow self-driving system is formed; operation parameters of the energy flow self-driven system are input into the control core, and a three-state strategy is dynamically executed based on the load state and photovoltaic output. The system comprises a liquid cooling cabinet, a CDU control unit, a PLC, a solar panel, a photovoltaic cell, an illumination intensity sensor, a waste heat recovery device, a mode switcher and the like. According to the invention, system operation mode switching time delay is eliminated.

The invention relates to the technical field of battery detection experiments, in particular to a new energy automobile battery operation environment simulation experiment structure which comprises a tray frame and a transparent cover, the tray frame is fixedly connected to the bottom of the inner side of the transparent cover, the inner side of the transparent cover is fixedly connected with a limiting frame, and the inner side of the limiting frame is movably connected with a bottom frame. According to the new energy automobile battery operation environment simulation experiment structure provided by the invention, the tray rack is arranged to cooperate with the transparent cover to form the simulation experiment space, and the battery is fixed in the placement rack on the inner side of the bottom frame during use; refrigerant is compressed into high-temperature and high-pressure gas through a compressor of an external cooling cycle system, then the high-temperature and high-pressure gas is cooled through a condenser to become high-pressure liquid, the high-pressure liquid becomes low-temperature and low-pressure liquid after being throttled and depressurized through a throttling device, and the low-temperature and low-pressure liquid is evaporated and absorbs heat in the evaporator. Therefore, the ambient temperature is reduced.

The invention discloses a Cu-based oxide loaded Cu-based alloy and a preparation method and application thereof. Uniformly mixing a Cu source and a second metal source in a solvent, and then centrifuging and drying to obtain a solid precursor; placing the obtained solid precursor in a Joule heating graphite groove, raising the temperature to 600-800 DEG C by using Joule heat generated by pulse discharge under a protective atmosphere, then cooling to room temperature, and circulating heating-cooling for 5-7 times to prepare the Cu-based oxide loaded Cu-based alloy, the method is extremely high in synthesis speed, simple to operate and extremely low in energy consumption, and the obtained material shows excellent catalytic activity and stability in an electro-catalysis carbon dioxide reduction reaction.

According to the equipment and the method, hydrogen is pre-cooled with a mechanical low-temperature pre-cooling cycle and a helium cycle through a first-stage heat exchanger, is subjected to ortho-secondary conversion through a second heat exchanger, a fourth heat exchanger and a fifth heat exchanger, and is subjected to heat exchange with cold helium discharged from a first turbo expander in the helium cycle; and liquid hydrogen generated after the liquid hydrogen enters the liquid hydrogen throttling valve to be throttled enters the liquid storage tank, and the hydrogen liquefaction process is completed. Helium entering and exiting the helium circulation low-temperature compressor unit is subjected to mechanical low-temperature precooling, the compression work is reduced through helium low-temperature compression, the expansion work is recycled through the turbo expander, and the thermodynamic efficiency of the system is improved; the hydrogen liquefying system only depends on the cooling capacity provided by the helium circulating system and the mechanical low-temperature pre-cooling circulating system, hydrogen liquefying can be completed without compression, and the system safety is improved; the helium circulation low-temperature compressor unit and the mechanical low-temperature compressor both adopt oil-free gas suspension centrifugal compressors, so that the problems of oil removal and oil return are avoided, and the reliability is remarkably improved.

The invention relates to a magnetic suspension bearing, a compressor and an air compressor, and the magnetic suspension bearing comprises a support assembly which is used for being fixedly connected with a shell of the compressor; the bearing stator assembly is mounted on the support assembly; wherein the support assembly is provided with at least one liquid cooling flow channel, and at least part of the liquid cooling flow channel is arranged opposite to the bearing stator assembly in the axial direction of the magnetic suspension bearing. According to the magnetic suspension bearing disclosed by the invention, the cooling liquid in the liquid cooling flow channel circularly flows, so that the cooling liquid exchanges heat with the support assembly which generates heat, the heat is absorbed, and the temperature of the magnetic suspension bearing is reduced. And the cooling liquid absorbing heat flows out of the flow channel, is cooled by an external heat dissipation device and then flows into the flow channel again to form continuous cooling circulation, so that the temperature of the magnetic suspension bearing is effectively controlled, and the influence of local high temperature on the performance and the service life of the compressor is avoided.

The invention is suitable for the technical field of pipeline forming, and provides a plastic pipe extrusion cooling device which comprises a device box, a cooling cylinder, a collecting tank, a drainage pipe, a circulating cooling system, a rotary control assembly, a spraying assembly, a suspension assembly and a rotating body. A magnetic attraction piece A and a magnetic attraction piece B are arranged at the two ends of the suspension assembly correspondingly, and a spiral guide groove is formed in the outer wall of the rotating body. According to the plastic pipe extrusion cooling device, the rotary control assembly, the rotating assembly, the suspension assembly, the spraying assembly and the rotating body are matched with one another, the outer wall of a plastic pipe can be subjected to water cooling, meanwhile, the inner wall of the plastic pipe can be subjected to air cooling, through the combined cooling method, the whole cooling and cooling period can be remarkably shortened, and the cooling efficiency is improved. And the problems of pipeline deformation and stress concentration caused by overlarge temperature difference between the inner wall and the outer wall can be reduced, and the stability and the mechanical performance of the forming size of the plastic pipe are improved.

The invention discloses a commercial vehicle thermal management system and method.The system comprises an independent liquid cooling heat dissipation system, the independent liquid cooling heat dissipation system comprises a cooling liquid circulation loop which is connected with a computing power module and a first radiator to form closed circulation, and a liquid cooling circulation pump drives cooling liquid to flow in the cooling liquid circulation loop; the first radiator dissipates heat through air cooling or the second radiator; the thermal management control system comprises a temperature sensor, a control unit and an execution mechanism, the temperature sensor is used for monitoring temperature data of the computing power module and transmitting the temperature data to the control unit, and the control unit generates a control instruction according to the temperature data and preset heat dissipation strategy data and sends the control instruction to the execution mechanism; and the execution mechanism adjusts the working states of the liquid cooling circulating pump and the second radiator according to the control instruction. The heat dissipation device aims at conducting efficient heat dissipation on the computing power module in the commercial vehicle, so that the computing power module can operate efficiently, and the technical problems that in the prior art, a computing power unit lacks an effective heat dissipation scheme, and computing power is reduced are solved.

The invention relates to the field of intelligent distribution boxes, and discloses a modularized intelligent distribution box based on liquid cooling circulation, which comprises a box body and electrical elements arranged in the box body, and a liquid cooling piece is arranged in the box body; the liquid cooling piece is communicated with a circulating liquid supply mechanism buried underground; the box body is provided with a scraping mechanism for scraping liquid from the liquid-cooled part, and the liquid scraped by the scraping mechanism is discharged out of the box body; the scraping mechanism comprises a magnetic ring, and the magnetic ring magnetically acts on liquid in the liquid cooling part; a rotational flow piece which moves along with the movement of the magnetic ring is arranged in the liquid cooling piece, and the rotational flow piece moves along with the movement to scrape the inner wall of the liquid cooling piece. Condensate water on the surface of the heat exchange pipe is removed through the scraping mechanism, and the humidity in the box is controlled through inclined design of the shunting box and the collecting box, guide of the protection plate and the discharge port, so that heat exchange efficiency reduction and electric appliance insulation risks are avoided; the external scraping shell and the internal rotational flow piece are linked through the magnetic ring, the inside and outside of the pipe are synchronously cleaned, a magnetic field changes mineral crystal forms to reduce scale, turbulence scouring keeps clean, and the heat exchange effect is maintained.

The invention discloses a multi-evaporator branch flow self-adaptive distribution two-phase cooling cycle and a control method thereof, the multi-evaporator branch flow self-adaptive distribution two-phase cooling cycle mainly comprises a plurality of parallel evaporators, a condenser, a liquid storage device, a liquid pump and a connecting pipeline, and a ventilation liquid blocking valve is mounted at an outlet of each branch evaporator. The ventilation liquid blocking valve is mainly composed of a valve seat, a valve element and a floating ball, the opening degree of the valve is automatically adjusted according to the dryness of an inlet working medium under the action of gravity and buoyancy, and the larger the dryness is, the larger the opening degree of the valve is. When the heat loads of the branches are not synchronous, the circulation flow can be distributed in a self-adaptive mode according to needs, the larger the heat loads on the branches are, the higher the dryness of the corresponding working media is, the smaller the resistance of the ventilation liquid blocking valve is, and the larger the flow of the branches is. The smaller the thermal load on the branch is, the smaller the dryness of the corresponding working medium is, the larger the resistance of the ventilation liquid blocking valve is, and the smaller the flow of the branch is. The problem that a high-load branch is prone to being overheated and burnt due to small flow is solved, meanwhile, invalid flow of a low-load branch can be effectively reduced, and energy consumption of a liquid pump is greatly saved.

The invention discloses an immersion phase change cooling device and cooling method for a net-forming type energy storage converter. The device comprises a power module phase change cooling unit, a condensation module, a liquid storage tank and a heat exchanger, the power module heating element is soaked in a refrigerant of the power module phase change cooling unit, the refrigerant absorbs heat and is heated to generate phase change vaporization, and a liquid refrigerant is converted into a gas refrigerant to be used for reducing the temperature of the power module heating element. A gaseous refrigerant flows to a condensation module, the condensation module exchanges heat with the gaseous refrigerant, so that the gaseous refrigerant is converted into a liquid refrigerant through phase change, and the liquid refrigerant flows to a heat exchanger and exchanges heat with air in the cabinet to reduce the temperature of elements in the cabinet; and the liquid refrigerant continues to flow into the power module phase change cooling unit to cool the power module, so that the immersion phase change cooling circulation process of the structure network type energy storage converter is realized. According to the invention, through phase-change heat exchange, the heat dissipation problem of sudden increase of heat consumption caused by short-time multi-time overload of the grid-forming type energy storage converter is solved, and the heat dissipation efficiency and reliability are improved.

The utility model provides a rapid cooling and demolding mechanism for a hot extrusion die, which comprises a cooling and demolding assembly, and the cooling and demolding assembly comprises a lower die holder, a refrigeration box, a circulating pump, a circulating cooling pipe, a temperature sensor, a controller, a vent hole and an upper die assembly. According to the utility model, through the built-in circulating cooling pipe, the refrigeration box and the circulating pump are combined, so that the inside of the mold can be quickly cooled. According to the design, the cooling efficiency is greatly improved, the product cooling period is shortened, so that the production efficiency is improved, meanwhile, through the temperature sensor and the controller, the internal temperature of the mold can be monitored in real time, cooling parameters can be adjusted according to needs, the uniformity and stability of the internal temperature of the mold are ensured, and the product quality is guaranteed; through the synergistic effect of the first air cylinder and the second air cylinder, the vent hole can be automatically opened, a product can be jacked up, the product is jacked out for demolding, automatic demolding is achieved, and therefore manual operation is reduced, and the production automation level is improved.

The present invention discloses a computer liquid cooling system, which includes a radiator with a built-in fluid groove, at least one heat exchange pump and a plurality of fluid conduits. The radiator includes at least one first flow port and at least one second flow port to which the fluid conduit is attached, so as to effectively drive a cooling fluid to flow into and out of the heat exchange pump. The heat generated by the heat generating device is transferred to the cooling fluid flowing through the heat exchange pump, and then output to the radiator. The heated cooling fluid flows through the radiator with a built-in fluid groove and is cooled along a plurality of heat dissipation fins. The cooling fluid flows to the heat exchange pump to start the cooling cycle again.

The invention relates to a wheel hub drive (2) for a motor vehicle with a cooling circuit (1), wherein at least one stator (3) of an electric machine is cooled by a cooling oil (4) of the cooling circuit (1), wherein an oil reservoir (5) is provided for the cooling oil (4) loaded with waste heat from the stator (3). The invention is characterized in that the oil reservoir (5) is designed as a double-shell housing cover (6) of the drive housing (7) and closes off the drive housing (7) in the direction of the motor vehicle, wherein the housing cover (6) is firmly connected to a wheel carrier (8) and the oil reservoir (5) is formed between two cover parts (9).

The present application provides a vehicle and its thermal management control method, device and storage medium, wherein the vehicle includes an engine and a thermal management system, the thermal management system includes a water pump, the engine and the water pump are connected to form a first cooling cycle, and the thermal management control method includes: when the current temperature of the engine is less than or equal to a preset temperature threshold, and the total engine power is greater than or equal to a preset power threshold, and the current vehicle speed is less than or equal to a preset vehicle speed threshold, controlling the water pump to periodically switch between a start state and a stop state. The thermal management control method provided in the present application, when the engine is in a high-power, low-speed warm-up mode, periodically controls the water pump to switch between a start state and a stop state, thereby avoiding local overheating of the engine and placing the thermal management system in a state of minimum power consumption.

The invention provides a cooling system of a hybrid electric vehicle and a cooling circulation control method, and relates to the technical field of automobiles. The cooling system comprises an engine circulation device, an electric drive circulation device and a coupling heat exchanger. In the engine circulating device, an engine radiator, a first electric water pump and an engine are sequentially connected, the engine, a second electric water pump, a first three-way valve, a second loop of the coupling heat exchanger and a second three-way valve are sequentially connected, one end of a heating ventilation air conditioner is connected to the third end of the first three-way valve, and the heating ventilation air conditioner is connected with the second loop of the coupling heat exchanger in parallel. The third end of the second three-way valve is connected between the engine and the second electric water pump; in the electric driving circulating device, a motor radiator, a first loop of a coupling heat exchanger, an electric control mechanism, an electric driving mechanism and a third electric water pump are sequentially connected; the first loop and the second loop of the coupling heat exchanger are mutually independent. According to the cooling system, the technical effects of improving the heat exchange capacity of the hybrid electric vehicle and reducing the heat dissipation power are achieved.

The utility model belongs to the technical field of anodic oxidation equipment, and particularly relates to a cooling circulation mechanism and an anodic oxidation tank, the cooling circulation mechanism comprises a liquid inlet pipe and a liquid outlet pipe which are arranged in a liquid cavity in a penetrating mode, and ports, outside the liquid cavity, of the liquid inlet pipe and the liquid outlet pipe are connected in series through a circulation pump. A pipeline, in the liquid cavity, of the liquid inlet pipe is distributed along the vertical face of the inner cavity, a plurality of liquid through holes are formed in a pipe body, an air blowing pipe arranged along the bottom of the liquid cavity is arranged between the liquid inlet pipes, and the liquid through holes are formed towards the air blowing pipe. Liquid circulation is established in the tank body to enable the liquid to move, so that the conduction efficiency of the liquid temperature is improved, and the balance of the liquid temperature is kept. Meanwhile, the liquid inlet pipe is provided with the liquid through hole which changes in size according to the liquid flowing direction, and the temperature difference between the pipe head and the pipe tail is adjusted through flow, so that the liquid temperature is further guaranteed.

The utility model provides a shaft sleeve and an electric water pump, which relate to the field of shaft sleeve structure. The shaft sleeve includes: a first guide portion, which is located on the inner wall of the shaft sleeve, and the first guide portion is formed into a spiral structure; and a second guide portion, which is located on the end face of the shaft sleeve in the axial direction, and the second guide portion is connected to the first guide portion. When the shaft sleeve rotates, the coolant inside the shaft sleeve (i.e., in the first guide portion) will be affected by the combined effect of gravity and the thrust of the shaft sleeve operation. The inclination direction of the first guide portion is the same as the direction of the composite force, which can effectively improve the flow capacity of the coolant inside the shaft sleeve, that is, improve the cooling circulation effect, and at the same time can effectively improve the discharge effect of foreign matter in the gap.

The invention provides a cooling capacity distribution unit and a control method thereof.The cooling capacity distribution unit comprises a heat exchanger, a first heat exchange flow path and a second heat exchange flow path are formed in the heat exchanger, heat exchange media circulating in the first heat exchange flow path and the second heat exchange flow path can exchange heat with each other, the first heat exchange flow path and a cooling tower form a primary side cooling cycle, and the second heat exchange flow path and the cooling tower form a secondary side cooling cycle; the cooling capacity distribution unit further comprises a bypass pipeline and an electric appliance box, the bypass pipeline and the second heat exchange flow path are connected in parallel, the bypass pipeline is provided with a heat exchange section, and the heat exchange section is located in the electric appliance box to cool a circuit board in the electric appliance box. The power consumption of the liquid cooling system for the data center is reduced; and the heat exchange medium in the secondary side cooling circulation is utilized, so that the probability of condensation at the electric appliance box can be reduced.

The invention relates to the technical field of motors, and discloses an oil injection direct-cooling heat dissipation structure which is installed inside a motor, an inner cavity of the motor is provided with a stator iron core used for fixing a metal coil, an oil inlet is formed in a machine base, an oil channel is formed in the annular wall of the stator iron core, and the oil injection direct-cooling heat dissipation structure further comprises two oil injection rings symmetrically arranged on the two sides of the stator iron core; the cooled oil passing through the interior of the iron core reaches the top ends of the two sides of the oil channel, enters the oil guide pipes from the top ends and finally reaches the oil injection rings symmetrically arranged on the two sides of the stator iron core. And the oil injection ring sprays and cools the end parts of the rotor and the stator iron core coil. Therefore, the cooling oil completes the cooling task of all the key heating areas. And the cooling oil after heat exchange is collected to the bottom of the motor under the action of gravity. Collected oil liquid is subjected to heat dissipation through an external cooling system, and is pumped into the oil inlet through the oil pump after being cooled, so that a complete cooling cycle is formed.

The invention discloses ultrahigh-temperature material single-phase Hf < x > Ta < 1-x > C powder and a preparation method thereof. The preparation method comprises the following steps: carrying out wet ball milling on Hf < C > powder and TaC powder, heating, stirring, grinding and sieving to obtain mixed powder; granulating the mixed powder, drying and sieving to obtain agglomerated powder; carrying out high-temperature Joule heat treatment on the agglomerated powder in an environment with a vacuum degree of less than 0.093 MPa by adopting a multi-time heating-cooling circulation Joule heat technology, so that TaC and HfC are mutually diffused in the high-temperature Joule heat treatment process and are completely subjected to solid solution to obtain single-phase Hf < x > Ta < 1-x > C powder with good uniformity; the preparation method disclosed by the invention has the characteristics of simple equipment operation, controllable reaction process, short reaction time and low energy consumption.

The invention provides a cooling control method and device based on a multi-pump liquid cooling system and electronic equipment. The cooling control method comprises the steps that a main circulation water inlet and outlet temperature difference corresponding to a main cooling circulation branch is collected through a main cooling module; determining a target main path cooling liquid required flow corresponding to a main cooling circulation loop according to the engine system required heat dissipating capacity and the main circulation water inlet and outlet temperature difference; the branch water inlet and outlet temperature difference corresponding to each cooling circulation branch is collected through an auxiliary cooling module; according to the branch demanded heat dissipating capacity and the branch water inlet and outlet temperature difference corresponding to each cooling circulation branch, target branch cooling liquid demanded flow corresponding to each cooling circulation branch is determined; and determining a first target output power corresponding to the main cooling module according to the target main path cooling liquid demand flow, and determining a second target output power corresponding to the auxiliary cooling module according to the target branch path cooling liquid demand flow. The cooling module corresponding to each cooling point is independently controlled, so that cooling treatment of a single cooling point in the engine system is realized, and resource waste is avoided.

The invention relates to a combined heat dissipation system and a server. The combined heat dissipation system comprises an oil tank, a heat exchanger, a pump, a fan, a first temperature detection device and a controller, the oil tank, the heat exchanger and the pump can achieve liquid cooling circulation, and under the condition that the controller receives that the actual temperature of a heat dissipation area of a device to be cooled is higher than the starting temperature, the controller can start the pump; the heat dissipation area is cooled through liquid cooling circulation; after the pump is started, the controller can adjust the output flow of the pump according to the actual temperature, so that the cooling amount of liquid cooling circulation is matched with the heating amount of the heat dissipation area; when the actual temperature received by the controller is higher than the safe temperature, the controller can start the fan to cool the heat exchanger and the pump.

The application provides a ship cooling device and a ship cooling system, which comprise: an air conditioner refrigeration cycle device, a urea cooling device, a first urea cooling cycle pipeline and a urea cabin; the first urea cooling cycle pipeline is drawn from a main cooling cycle pipeline of the air conditioner refrigeration cycle device and connected to the urea cooling device; the urea cabin is connected to the urea cooling device; the urea cabin is used for storing urea solution; the air conditioner refrigeration cycle device is used for forming a refrigerant cycle to provide refrigerating capacity for the ship and the urea cooling device; and the urea cooling device is used for forming a urea refrigerant cycle through the first urea cooling cycle pipeline and the air conditioner refrigeration cycle device to cool the urea solution in the urea cabin. In this way, the urea cooling device and the air conditioner refrigeration cycle device are combined together to form the ship cooling device, so that the cooling of the ship and the urea cabin under extreme temperature and environment can be realized, and cost can be saved.

The invention relates to the technical field of aviation equipment, in particular to an electric gas compressor system and a cooling method thereof.The electric gas compressor system comprises a heat insulation cover and further comprises a gas compressor, a motor, a turbine, a first heat exchanger and a second heat exchanger which are fixed in the heat insulation cover; the outlet is communicated with a hot side runner inlet of the second heat exchanger; a hot side runner outlet of the second heat exchanger is communicated with an inner cavity of a shell of the motor through a cooling air channel, and the cavity is communicated with an airflow inlet of the turbine; the air compressor, the motor, the turbine and the two-stage heat exchanger are integrated in the heat insulation cover, open type cooling circulation without an external cold source is constructed, self-cooling of the motor and a bearing is achieved, a relatively low-temperature environment is built in the heat insulation cover, and the problem that an existing electric air compressor generally lacks effective self-cooling capacity, and the service life of the air compressor is prolonged is solved. And active heat management cannot be carried out on heat-sensitive parts such as motor windings and bearings by utilizing own airflow.

The invention relates to the field of molds, in particular to a double-color mold which comprises a base, at least two cooling assemblies, at least two fixed molds and at least two movable molds, the movable molds and the fixed molds are in one-to-one correspondence and are slidably connected to the surfaces of the fixed molds, and each cooling assembly comprises a power rod, a cooling piston, a first one-way valve and a second one-way valve. The end of the power rod is connected to the surface, facing the fixed mold, of the movable mold, a ventilation cavity for the cooling piston to slide is formed in the inner wall of the power cavity, a first air inlet channel is formed in the surface of the fixed mold, a first one-way valve is connected to the inner wall of the first air inlet channel, a first air outlet channel is formed in the surface of the fixed mold, and a second one-way valve is connected to the inner wall of the first air outlet channel. Through the arrangement of the power rod, the cooling piston, the first one-way valve and the second one-way valve, cooling of the fixed mold is further improved, the first ventilation channel is located between the ventilation cavity and the mold cavity, so that the mold cavity is located on the inner wall of the fixed mold and is not prone to temperature rise, the cooling period for cooling sizing materials in the mold cavity to form a product is shortened, and therefore the machining cost of the product is reduced.

The invention belongs to the technical field of processing equipment of battery materials, and discloses discharging equipment and a discharging method of an Acheson graphitization furnace, the discharging equipment comprises a plurality of protective cover plates and a protective gas supply mechanism, the protective cover plates are sequentially erected above a furnace body, and a cooling chamber is formed by the protective cover plates and the furnace body; any two protective cover plates are provided with an air inlet channel and an air outlet channel respectively. The protective gas supply mechanism communicates with the gas inlet channel and is used for guiding gas into the cooling cavity, and the gas outlet channel is used for communicating the outside with the cooling cavity. Due to the existence of the discharging equipment, the negative electrode material is not easy to oxidize in the cooling process, and the specific surface area is reduced; and the flowing of the protective gas can take away part of heat in the graphitization furnace, the cooling period is shortened, the protective cover plates covering the graphitization furnace can better isolate external dust and prevent external pollution in the material suction process, and the quality of the negative electrode material is ensured.