532 results about "Cooling methods" patented technology

The invention discloses an aircraft wheel cooling method and device, and the method comprises the steps: collecting the temperature of a brake disc and the air pressure of a hub in real time through a temperature and pressure sensor, calculating the temperature change rate and the pressure difference through an embedded processing module, and generating a thermodynamic initial parameter set; calculating a thermal stress distribution value of the brake disc based on the initial parameter set, and generating a cooling liquid flow and spraying angle instruction set in combination with a material threshold database; the opening degree of an annular pipeline piezoelectric valve is regulated according to an instruction set, an injection area is regulated according to flow velocity-surface area heat exchange efficiency, and waste heat is synchronously recovered to optimize power consumption; the thermal infrared imager obtains temperature field distribution, the initial parameter tolerance range is compared, the spraying angle and the flow instruction are corrected through a fuzzy PID algorithm, and temperature gradient errors are eliminated; and based on the temperature drop rate, the pressure stability and the waste heat recovery efficiency, an efficiency index is generated by using a neural network scoring model, and algorithm weights and piezoelectric valve response parameters are dynamically adjusted. The cooling efficiency is effectively improved, and the thermal stress risk is reduced.

The invention relates to the technical field of aluminum ash treatment, in particular to a non-contact cooling and settling tower for pyrogenic treatment of secondary aluminum ash and a cooling method, the non-contact cooling and settling tower comprises a cooling and settling tower body, and the cooling and settling tower body is internally provided with a snake-shaped cooling pipe of a layered structure; the feeding hole and the discharging hole are respectively formed in two sides of the cooling settling tower body; the mounting frame is mounted on the feeding hole in a sliding manner, and two groups of filter plates are detachably mounted on the mounting frame; the switching structure is arranged on the cooling settling tower body and is connected with the mounting frame, the switching assembly can enable the two groups of filter plates to be alternately matched with the feeding hole, so that when one group of filter plates is blocked by impurities, the switching structure can drive the other group of filter plates to be switched to an area matched with the feeding hole, and the other group of filter plates can be switched to an area matched with the feeding hole. Therefore, the impurity filtering effect of the filter plate is improved, the speed of the aluminum ash entering the cooling settling tower body is more constant, and the treatment capacity and effect of the cooling settling tower body are improved.

The invention relates to the technical field of immersion liquid cooling data center cooling, and particularly provides a single-phase immersion liquid cooling server circulation cooling method and system, and the method comprises the steps: comparing the real-time temperature of a cooling liquid with a preset temperature threshold value, transmitting a first program instruction by a control system, and carrying out an immersion liquid cooling cabinet internal circulation mode; or a second program instruction is sent, and a heat exchange circulation mode is carried out; after the heat exchange circulation mode is started, a main liquid outlet pipeline is opened; the cooling liquid flows back to the liquid outlet of the immersed liquid cooling cabinet through the backflow branch pipeline, the real-time temperature of the cooling liquid and the preset temperature threshold value are continuously judged, and switching between the internal circulation mode and the heat exchange circulation mode of the immersed liquid cooling cabinet is achieved according to the comparison result. The system comprises an immersed liquid cooling cabinet, a branch pipeline valve, a main pipeline valve, a main liquid outlet pipeline, a pump, a heat exchanger and a branch pipeline. According to the invention, the topology reconstruction capability of the cooling liquid flow is realized, and local circulation and global circulation are dynamically switched according to the thermal load.

The invention relates to the technical field of cooling control, in particular to an amination automatic cooling system and method for monosultap preparation. Acquiring the temperature change rate and heat release time sequence data of the current amination process, and comparing the temperature change rate and heat release time sequence data with the temperature change rate of the historical temperature rise stage; and segmenting the current temperature change rate data into a plurality of temperature change sections, quantifying the difference between each section and historical comparison data in length and temperature change rate, and obtaining a cooling effect value to evaluate the cooling performance. And performing multi-length division on each temperature change section to obtain interval data sections, analyzing temperature fluctuation differences of the interval data sections, and determining an optimal division method and an optimal interval data section in combination with a cooling effect value. And finally, the preset flow velocity of the cooling liquid is adjusted based on the temperature change feature position and the heat release accumulation of the optimal interval data segment, so that a self-adaptive flow velocity value is obtained, and the matching degree of the cooling effect and the reaction requirement is effectively improved.

The invention discloses a stirring head temperature control method and system, a medium and a product, and relates to the field of electric digital data processing. By implementing the application, the control system acquires the temperature data of the needle part and the shoulder part of the stirring head in real time, and predicts the temperature of the needle part and the temperature of the shoulder part within the future preset duration by using the temperature prediction model in combination with the cooling liquid flow of the needle part and the shoulder part. When the deviation between the predicted temperature and the target temperature exceeds the temperature threshold value, the control system can calculate and adjust the flow of the cooling liquid in time, and accurate dynamic control over the temperature of the stirring head is achieved. According to the predictive temperature control method, the machining quality problem caused by too large temperature fluctuation of the stirring head can be prevented, and the stability and controllability of the welding process are improved. Meanwhile, the control system controls the cooling liquid flow of the needle part and the shoulder part respectively, finer temperature adjustment is achieved, and the phenomenon of local supercooling or superheating caused by a traditional single cooling mode is avoided.

A liquid cooling method and system for cooling rack-mounted processing assemblies is presented that provides a dry cooling unit, a first liquid distribution circuit to convey the cooling liquid and a second liquid distribution circuit to convey the heated liquid from the rack-mounted processing assemblies, in which each of the rack-mounted data processing assemblies comprises a smart control valve designed to be pressure independent and control the flow rate of the cooling fluid based on detected temperatures and pressure flows. Each of the smart control valves operative to measure current liquid flow rates, current input cooling liquid temperatures, and current output heated liquid temperatures and calculate a current differential temperature, determine a relationship between the current differential temperature and a target temperature value, and dynamically adjust the liquid flow rate of the smart control valve based on the determined relationship and the current liquid flow rate and current input cooling liquid temperature.

A liquid cooling method and system for estimating power consumption of cooling rack-mounted processing assemblies and controlling corresponding fan and pump speeds, is presented. The presented method and system provide for the estimation of the power consumption of the rack-mounted data processing assemblies by calculating a thermal load based on measured cooling liquid temperatures, heated liquid temperatures, ambient dry cooler temperatures, and cooling liquid volume and controlling the fan speed based on the estimated power consumption. The presented method and system also provide for controlling the pump speed based on measured flow rates and corresponding empirically derived pump head pressure values H.

The invention relates to the technical field of cooling of a high-rotating-speed and high-capacity hydraulic generator and a pumped storage generator motor, in particular to a mixed ventilation cooling method for improving the temperature difference of a pole coil. According to the method, cooling air is introduced from a magnet yoke, and the cooling air is divided into three paths; a first path of cooling air reaches a magnetic pole inter-pole ventilation box, enters a magnetic pole coil radial air duct, passes through a magnetic pole coil circumferential air duct and reaches an inter-pole radial air duct; the second path of cooling air is divided into two parts of cooling air, the first part of cooling air directly enters the interelectrode radial air duct, and the second part of cooling air enters the pole coil radial air duct, passes through the pole coil circumferential air duct and reaches the interelectrode radial air duct; the third path of cooling air is divided into a third part of cooling air and a fourth part of cooling air, the third part of cooling air enters the magnetic pole end radial air duct, and the fourth part of cooling air enters the interelectrode axial air duct; omnibearing cooling of the pole coil is achieved, the overall temperature difference level of the pole coil is improved, and the temperature rise uniformity of the pole coil is improved.

The invention provides an automatic spraying cooling method for an air cooling island, and solves the problems that an existing air cooling island auxiliary cooling spraying device is complex in structure, and a spraying cooling control and adjustment method is complex, and according to the technical scheme, the cooling method comprises the following steps that an air cooling island automatic spraying cooling system is arranged on the air cooling island; checking equipment and a control system; opening water supply and opening a water inlet valve of a water supply system; adjusting pressure to start spraying; cooling is controlled, and a PLC of the master control cabinet judges according to a preset temperature threshold value; monitoring parameters; and observing the spraying effect. The system can automatically perform spray cooling according to the real-time temperature of the air cooling island, strengthen the cooling effect of the air cooling island, increase the air humidity, prevent corrosion and dust accumulation, cope with the environment temperature change, reduce the operation of cooling auxiliary equipment, relieve the thermal stress of the air cooling island, assist in improving the cooling efficiency of the air cooling island, improve the output of a generator set and save energy.

The invention discloses a special module for cooling forming of a polyurethane elastomer and a cooling method of the special module. The cooling method comprises the following steps that the polyurethane elastomer is pretreated, a partition heating strategy is adopted to ensure that the temperatures of materials are consistent, the preheated materials are placed into a mold, the temperatures of all areas are dynamically adjusted through a mold temperature control system, and the materials are cooled to be uniform; a three-stage cooling strategy is implemented, the flow and the flow speed of cooling liquid are gradually adjusted in the initial stage, the transition stage and the balance stage so as to balance the temperature inside and outside the mold, the self-adaptive cooling control technology is adopted for complex geometric and thin-wall structures, and the flow of the cooling liquid is dynamically adjusted according to wall thickness and temperature data monitored in real time; and the cooling efficiency is optimized through a cooling liquid circulating and reusing mechanism, and the temperature of the mold is adjusted and residues are cleared away after cooling is completed through an intelligent temperature control system. The invention provides an efficient, energy-saving and accurate cooling forming method which is suitable for production of polyurethane elastomers.

The utility model discloses a high-strength coating alloy drill bit, which relates to the technical field of drill bits and comprises a shunting pipeline fixedly mounted at the bottom of a liquid inlet pipeline. The liquid supply assembly has two cooling modes for the drill bit body, one mode is an inner cooling mode, the heat dissipation and cooling effect is excellent, and no cooling dead angle exists, and the other mode is an outer cooling mode, when the phenomenon that cooling liquid is not discharged smoothly due to the fact that blockage occurs in a hole probably, the outer cooling mode can be triggered automatically, and the cooling effect is good. The phenomenon that cooling efficiency is reduced due to blockage in the hole is avoided, and the problems that cooling of an existing drill bit is of an outer cooling structure, the portion, located in the hole, of the drill bit cannot be well cooled and dissipated, cooling liquid cannot reach the bottommost portion in the hole, and the cooling effect is poor are solved.

The invention belongs to the technical field of closed cooling towers, and discloses a countercurrent closed cooling tower and a cooling method.The countercurrent closed cooling tower comprises a tower body, a draught fan is fixedly connected to the top of the tower body, an air inlet is formed in the side wall of the bottom of the tower body, a water collecting tank is formed in the bottom of the tower body, and a pair of coil pipes is fixedly connected to the middle of the tower body; through cooperation of structures such as an annular shell, an annular spraying pipe and a concave panel, the possibility that scale is generated by the coil pipe is reduced, the heat exchange effect can be improved, during heat exchange, water in a collecting groove of the annular spraying pipe moving in a reciprocating mode is pumped and pressurized, the surface of the coil pipe is scoured in an annular mode, and the scale forming risk is reduced; and meanwhile, the sliding columns continuously extrude the wave-shaped grooves, so that the whole annular shell rotates in a reciprocating mode, close-distance washing can be more uniform, and therefore the heat exchange effect and durability of the coil pipe are efficiently improved.

The embodiment of the invention provides a motor cooling method and device, and the method comprises the steps: obtaining target adjustment temperature values at different positions in a motor operation link under the condition that the working temperature of a motor is in a normal operation temperature range, and carrying out the cooling of the motor according to the target adjustment temperature values and the operation state of the motor, a cooling strategy corresponding to the target adjusting temperature value is determined; according to the embodiment of the invention, different temperature values in a motor operation link are acquired in real time, so that the cooling strategy can be determined in advance according to the acquired temperature values and the working state of motor operation, and the working temperature of the motor is enabled to be within the normal operation temperature range. The temperature of the cooling water is adjusted in real time according to cooling, the motor can be ensured to be within a specified temperature range, time is saved, and cost is reduced.

To evaporate a refrigerant in an evaporator at an intended temperature without generating dew condensation even when a temperature of outside air is lowered.SOLUTION: A cooling system includes: a refrigerant circuit having a compressor that compresses a refrigerant flowing out from an evaporator, a condenser that condenses the refrigerant compressed by the compressor by exchanging heat with cooling fluid, an expansion valve that decompresses the refrigerant condensed by the condenser and the evaporator that evaporates the refrigerant decompressed by the expansion valve for heat exchange; a pump for circulating the cooling fluid via the condenser so as to cool the cooling fluid by using outside air; a detection device that detects a detection value related to an evaporation temperature of the refrigerant; and a control device that regulates an opening of the expansion valve so that a control amount obtained from the detection value detected by the detection device becomes a target value determined relative to the control amount and regulates a discharge amount of the pump so that the control amount becomes the target value when the regulation of the opening of the expansion valve reaches a limit.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of special alloy hot rolling, and particularly relates to a refined subsection cooling method and device for a titanium plate hot mill roller. Comprising the steps that S1, a temperature field distribution function of a roller during rolling and a temperature field distribution function of the surface of the roller during cooling are obtained; s2, a heat exchange coefficient distribution function of the heat exchange coefficient required by the roller in the axial direction of the roller is obtained; s3, a distribution function of the cooling water flow in the axial direction of the roller is obtained; s4, according to the distribution function of the cooling water flow in the axial direction of the roller, the roller is divided into a plurality of cooling sections in the axial direction of the roller, and different cooling sections correspond to different cooling water flow difference threshold values; and S5, a non-contact temperature sensor is arranged at the center position of each cooling section, an independent roller cooling mechanism is configured for each cooling section, and the flow of cooling water is adjusted. Independent cooling control over different cooling sections of the roller is achieved, and the plate shape quality of a titanium plate is improved.

The invention discloses a diversion cooling device for a gas injection pipeline in a tunnel-type gas storage and a cooling method thereof, the device is applied in the gas storage, changes of air distribution in the gas storage are completed, the top temperature in the gas storage is reduced, the inflation speed in the gas storage is increased, and the cooling efficiency is improved. The device comprises a manhole pipeline, a swing pipe, a top pipeline, a plurality of air outlets and a supporting mechanism, the method is suitable for the flow guiding and cooling device for the gas injection pipeline in the tunnel type gas storage. The gas inlet pipeline at the middle lower part of the gas storage is introduced to the top of the gas storage through the device, and the temperature field distribution in the gas storage is changed through the gas outlet hole at the top and the gas outlet at the tail end, so that the purpose of reducing the top temperature is achieved, and the gas charging speed of the gas storage is improved.

The invention relates to the technical field of quenching treatment, in particular to a nodular cast iron isothermal quenching cooling method and an isothermal quenching cooling device.The method comprises the steps that when nodular cast iron of the current batch is subjected to cooling treatment in a cooling stage before isothermal quenching in a salt bath furnace, a thermal image of the surface of the salt bath furnace is collected in real time; acquiring a first characteristic value of each nodular cast iron; obtaining a furnace wall area and a non-furnace wall area in each thermal image; obtaining an average temperature value of each non-furnace-wall area; acquiring a local high-temperature area in each thermal image; acquiring a high-temperature characteristic value of each thermal image; acquiring a second characteristic value of each nodular cast iron; and the optimal rotating speed of the stirring device is obtained when the next nodular cast iron of the nodular cast iron of the current batch is subjected to cooling treatment in the cooling stage before isothermal quenching. The invention aims to improve the isothermal quenching cooling quality of the nodular cast iron by adjusting the rotating speed of the stirring device during the isothermal quenching cooling of the nodular cast iron.

The invention discloses an automatic water-cooled power supply host system with independent partitions, and belongs to the technical field of power electronics, and the system is characterized in that the system comprises a host body, the host body is internally provided with a partition shelf, and the partition shelf is internally provided with a cavity. Each cavity is provided with an independent cooling coil, when a heating element corresponding to a certain cavity works to generate heat, a liquid pump sucks cooling liquid from an inlet pipe, the cooling liquid is accurately distributed through a flow dividing pipe and a flow control structure and then enters the cooling coil of the cavity, and by means of the independent cooling mode, when one cavity breaks down, the cooling liquid can be cooled by the liquid pump. The cooling liquid circulation is only influenced in the loop of the cavity, other cavities can still work normally, the reliability of the system is greatly improved, the overall downtime caused by local faults is shortened, and meanwhile, due to the design of the independent cavities, workers can quickly position fault points conveniently, and only the fault cavity is maintained and repaired.

The invention relates to a cooling device and a cooling method for powder bed electron beam 3D printing equipment. The cooling device comprises an argon charging port, an argon discharging port and a cooling device, an air cooling structure; the water cooling structure is arranged on the outer side face of a bottom plate of the forming chamber; cooling the copper block; a temperature measuring device; and the cooling gas conveying device, the cooling liquid conveying device and the temperature measuring device are respectively connected with the upper computer. Argon can be introduced into the forming chamber through the argon inflation inlet, the air cooling structure is arranged on the inner wall of the forming cylinder, and even if gas leaks into the forming cylinder, printing of parts in the forming cylinder cannot be damaged; the water cooling structure is arranged outside the forming cylinder, water cannot enter the forming cylinder even if water leaks, and the safety of the part printing process is guaranteed; the temperature measuring device is adopted for monitoring the temperature in the forming cylinder in real time, the upper computer can control cooling gas and cooling liquid according to the temperature of the part, and the forming quality of the part is guaranteed.

The invention relates to the technical field of air conditioning systems, in particular to an energy-saving cooling structure and a cooling method of a central air conditioning system. On one hand, hot air firstly passes through a cooling coil to exchange heat with a refrigerant for preliminary cooling in a manner of combining the cooling coil with an atomizing nozzle; the temperature of the cooling coil pipe is further reduced through evaporation and heat absorption of fine water drops sprayed by the atomizing spray head, the cooling efficiency is greatly improved, the energy consumption is reduced, meanwhile, the running power of the circulating water pump is low, the waste of water resources is reduced through water recycling, and the energy consumption of the central air-conditioning system is reduced on the whole; and on the other hand, the circulating water pump and the flow control valve can be accurately controlled through the controller, the water flow is adjusted in real time according to changes of the indoor temperature and humidity, accurate control over the cooling process is achieved, and it is ensured that the indoor environment is always kept in a comfortable state.

The invention discloses a spray cooling system and discloses a cooling method suitable for the spray cooling system, a liquid storage tank, a first suction pump, a spray chamber, a liquid separator and a condenser of the spray cooling system are sequentially connected to form a cooling loop, cooling liquid circularly flows in the cooling loop, and an inner cavity of the spray chamber is used for arranging a semiconductor device. The spraying chamber is connected with a vacuum pump, the vacuum pump is used for maintaining the air pressure in the spraying chamber to be lower than the atmospheric pressure, so that the cooling liquid sprayed on the semiconductor device is evaporated at the boiling point lower than the atmospheric pressure of the cooling liquid, and the vaporous cooling liquid is discharged into the condenser through steam conveying. Under the same cooling requirement, the air pressure in the spraying chamber is reduced through the vacuum pump, the heat absorption capacity and the heat absorption efficiency of the cooling liquid are improved, the operation power of the first suction pump and the condenser can be reduced, and then energy consumption is reduced.

The invention provides a cooling system, a cooling method and a heat pump unit. The cooling system comprises a cooler, an oil circulation loop, a first motor cooling loop, a second motor cooling loop and a refrigerant purifier. Supplementary water enters the cooler to cool a heat exchange coil in the cooler, the heat exchange coil is connected into an oil circulation loop and a first motor cooling loop, and the oil circulation loop is used for circularly conveying lubricating oil to cool a compressor bearing. The first motor cooling loop is used for conveying a liquid refrigerant to cool a compressor motor; the supplemented water in the cooler continuously enters the refrigerant purifier and is used for condensing the refrigerant and separating non-condensable gas in the refrigerant; and the second motor cooling loop is connected with the refrigerant purifier and is used for conveying a refrigerant to cool the compressor motor. By arranging the cooling system, the problem that the high-temperature heat pump is not suitable for a conventional cooling system due to too high condensation temperature is solved, the heat exchange effect of the unit is guaranteed, and the reliability of the unit is improved.

The invention belongs to the field of heat dissipation frames, and particularly relates to a fine coarsening heat dissipation frame structure which comprises a heat dissipation frame body. A fixing rod is also arranged at the top end, close to the corner, of the heat dissipation frame body, the top end of the heat dissipation frame body is fixedly connected with the bottom end of the fixing rod, the top end of the fixing rod is fixedly connected with the bottom end of the fixing plate, and a heat dissipation fixing mechanism is arranged between the heat dissipation frame body and the fixing plate; the heat dissipation fixing mechanism comprises a bottom plate, and the bottom plate is arranged at the bottom end of the heat dissipation frame body. Through the design of the heat dissipation fixing mechanism, the function of rapid cooling is achieved, and the problems that an existing device is not provided with an assembly for active cooling, the existing device can only achieve cooling through air circulation, the cooling effect of the cooling mode is not obvious, the high temperature condition of the device above is extremely likely to happen, and the cooling effect is poor are solved. And the problem that rapid cooling cannot be effectively carried out is solved, and the cooling effect is improved.

The invention relates to the technical field of metallurgy, in particular to a heat treatment process for improving the HIC resistance of a Q345R (HIC) steel plate, which comprises the following steps of: heating the steel plate to 30-50 DEG C above AC3, keeping in-furnace time for more than or equal to 30 minutes, and then cooling in two stages: in the first stage, quickly cooling, namely cooling to Ar1 temperature at the speed of 25-30 DEG C / s; in the second stage, the cooling speed is reduced, and cooling is conducted to the Bs temperature at the speed of 2-5 DEG C / s; and then air-cooling to room temperature. The phase change degree of the steel plate is controlled by adopting a two-stage cooling mode, so that the final structure of the steel plate is changed, the purposes of reducing the banded structure and improving the acid resistance of the Q345R (HIC) steel plate are achieved, and good social and economic benefits are achieved.

The invention discloses a distributed intelligent cooling system and method for an aviation heavy oil engine. The system comprises a distributed cooling loop, an intelligent flow adjusting device, a miniature radiator, an additional cooling branch and a cooling water pump. Parallel cooling branches of the distributed cooling loop independently cool different parts of the engine, efficient heat exchange is achieved through the miniature radiator, and the intelligent flow adjusting device adjusts the flow according to the temperature of cooling liquid. The additional cooling branch enhances the heat dissipation capacity under special working conditions, and the number of the miniature radiators can be dynamically adjusted. The cooling method comprises the steps of collecting cooling liquid temperature signals, comparing threshold values, adjusting the opening degree of the electric flow adjusting valve and independently cooling all the air cylinders. And in the cold start stage, flow is reduced to accelerate preheating, alarm is triggered under extreme working conditions, and redundant branches are switched. The problems that a traditional cooling system is uneven in heat dissipation, large in weight, poor in adaptability and the like are solved, and the heat dissipation efficiency, reliability and environmental adaptability are improved.

The invention provides a flushing cooling method, system and equipment with an automatic route recognition function. The method comprises the steps that an equipment model is constructed through three-dimensional laser scanning, and a surface heat conductivity coefficient is obtained in combination with a material recognition technology. A temperature gradient and thermal load distribution diagram is generated through multi-sensor data fusion, and the heat dissipation requirement is analyzed and the flushing priority is determined based on a thermodynamic model. A dynamic planning algorithm is adopted to optimize the flushing path and sequence, then pressure, flow and time parameters of all flushing points are adjusted in a self-adaptive mode according to thermal load distribution, and a personalized flushing scheme is formed. The temperature change is monitored in real time in the execution process, and parameters are dynamically adjusted to guarantee the cooling efficiency. According to the method, intelligent identification of the thermal state of the equipment surface, automatic planning of the flushing path and accurate control of the flushing parameters are achieved, the flushing cooling accuracy and efficiency are remarkably improved, and the method is suitable for efficient heat dissipation maintenance of industrial equipment.

A liquid cooling method and system for a rack-mounted assembly to control cooling liquid temperature are disclosed. The system includes a cooling circuit circulating a cooling liquid to a rack-mounted assembly and a heated liquid from the rack-mounted assembly, a dry cooling module supplying the cooling liquid and receiving the heated liquid for recooling. A controller is communicatively coupled to an input liquid temperature sensor, an output liquid temperature sensor, and a valve. The controller determines an input cooling liquid temperature value, an output heated liquid temperature value, calculates a differential temperature value, and in response to the calculated differential temperature value being below a target differential temperature value, redirects at least a portion of a flow of the heated liquid egressing from an outlet of the rack-mounted assembly to an inlet of the rack-mounted assembly.

The invention relates to a low-vibration cooling system based on differential pressure driving, cooling fluid circulating in a cooling fluid loop cools a load through a load heat exchanger, and a circulation driving device compensates pressure loss of the cooling fluid loop and conveys the cooling fluid from a second pressure-bearing container to a first pressure-bearing container; the pressurization loop provides pressure for the gas phase space of the first pressure-bearing container and the gas phase space of the second pressure-bearing container and maintains the pressure in the first pressure-bearing container and the pressure in the second pressure-bearing container to be at preset stable target values, and the pressure difference between the preset stable target values drives cooling fluid to flow from the first pressure-bearing container to the second pressure-bearing container through the load heat exchanger. Therefore, vibration generated by the circulation driving device is isolated from the load heat exchanger. The invention further relates to a low-vibration cooling method of the low-vibration cooling system. The core pain point of large vibration interference of a low-temperature cooling system in the prior art is successfully solved, meanwhile, the stability of flow and temperature is improved, and the flexibility of system layout is improved.

The invention relates to the technical field of power distribution room cooling, and discloses a power distribution room intelligent cooling device and a cooling method.The power distribution room intelligent cooling device comprises a cooling water tank, an air exhaust mechanism is fixedly connected to the top end of the cooling water tank, and a reversing mechanism is fixedly connected to the side, away from the air exhaust mechanism, of the top end of the cooling water tank; the side, away from the air exhaust mechanism, of the reversing mechanism is fixedly connected with a first air outlet pipe, the other side of the reversing mechanism is fixedly connected with a second air outlet pipe, and the side face, away from the reversing mechanism, of the second air outlet pipe is fixedly connected with an air compressor. And air is located under the water surface, is cooled by water in the cooling water tank, is separated out from the water, enters the exhaust pipe and is dehumidified through the dehumidification rotating wheel, and dry cold air passes through the exhaust pipe and is discharged into the power distribution room through the first air outlet pipe, so that the power distribution room can be cooled when the external temperature is relatively high.

The invention discloses an online quenching device and method for a metal profile. The method comprises the steps that the quenching inflection point temperature T0 of the metal profile is obtained; the metal profile is slowly cooled in an air cooling and / or fog cooling mode, and the temperature distribution of a section temperature field at the position, where slow cooling is completed, of the metal profile ranges from T0-T0 + 50 DEG C; and carrying out water quenching on the slowly cooled metal profile in a water cooling manner, so that the metal profile is cooled to the room temperature. According to the metal profile online quenching device and quenching method provided by the invention, cooling stages are reasonably divided and different cooling modes are switched through quenching inflection point temperature, and dynamic control of the cooling rate and uniformity management of a temperature field are realized through optimal combination of gradual cooling and multiple cooling modes; the mechanical performance of the profile can be guaranteed to the maximum extent, the profile has good dimensional stability, and the yield and the production efficiency can be remarkably improved.