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379 results about "Cooling methods" patented technology

Cooling method. [′kül·iŋ ‚meth·əd] (thermodynamics) A method of determining the specific heat of a liquid in which the times taken by the liquid and an equal volume of water in an identical vessel to cool through the same range of temperature are compared.

Airplane wheel cooling method and device

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.
Owner:CHENGDU XINGTENG TECH CO LTD

Circulating cooling method and system for single-phase immersion liquid cooling server

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.
Owner:TIANJIN TIER TECHNOLOGY CO LTD

Automatic amination cooling system and cooling method for monosultap preparation

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.
Owner:HUNAN HAOHUA CHEM

Stirring head temperature control method and system, medium and product

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.
Owner:BEIJING SOONCABLE TECHNOLOGY GROUP CO LTD

Mixed ventilation cooling method for improving temperature difference of pole coil

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.
Owner:DONGFANG ELECTRIC MACHINERY

Countercurrent closed cooling tower and cooling method thereof

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.
Owner:YANCHENG BAOFENG NEW ENERGY EQUIPMENT CO LTD

Fine subsection cooling method and cooling device for titanium plate hot mill roller

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.
Owner:CHINA ERZHONG GRP DEYANG HEAVY IND

Flow guiding and cooling device for gas injection pipeline in tunnel type gas storage and cooling method of flow guiding and cooling device

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.
Owner:CHINA ENERGY ENG CORP LTD +2

Isothermal quenching cooling method and isothermal quenching cooling device for nodular cast iron

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.
Owner:HANDAN HENGGONG METALLURGICAL MACHINERY CO LTD

Automatic water-cooled power supply host system with independent partitions

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.
Owner:SHENZHEN SKONDA ELECTRONICS

Cooling device and cooling method for powder bed electron beam 3D printing equipment

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.
Owner:XIAN SAILONG AM TECH CO LTD

Energy-saving cooling structure and cooling method of central air conditioning system

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.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV

Spray cooling system and cooling method

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.
Owner:GUANGDONG INST OF INTELLIGENT SCI & TECH

Cooling system, cooling method and heat pump unit

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.
Owner:ZHUHAI GREE LVKONG TECH CO LTD

Fine coarsening heat dissipation frame structure

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.
Owner:SHENZHEN HAIPU MICRO TECHNOLOGY CO LTD

Distributed intelligent cooling system and cooling method for aviation heavy oil engine

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.
Owner:SUZHOU LINGDONG GUOCHUANG EQUIPMENT CO LTD

Flushing and cooling method, system and equipment with automatic route identification function

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.
Owner:SHANDONG XINHANCHI DEFENSE TECH CO LTD

Temperature control of liquid-cooled rack-mounted assemblies

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.
Owner:OVH

Low-vibration cooling system based on differential pressure driving and cooling method thereof

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.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI

Intelligent cooling device and cooling method for power distribution room

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.
Owner:HEBEI PETROLEUM VOCATIONAL & TECH UNIV

Metal profile online quenching device and quenching method

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.
Owner:WEIQIAO LIGHTWEIGHT RESEARCH CENTER AT SOOCHOW

Immersion cooling system and immersion cooling method

Disclosed in the present disclosure are an immersion cooling system and an immersion cooling method, which are applied to the technology of electronic-device cooling. The immersion cooling system comprises: an immersion cooling chassis, wherein a device to be cooled is arranged in a first chamber; an internal circulation heat sink for transferring heat from said device to a coolant; an external circulation heat exchanger mounted outside the immersion cooling chassis and in communication with the immersion cooling chassis, wherein the coolant in the first chamber passes through the external circulation heat exchanger for cooling and then flows back into the first chamber; a flow pump for adjusting the flow rate of the external circulation heat exchanger; a temperature measurement component for acquiring the temperature of the coolant; and a controller for controlling the flow rate of the flow pump on the basis of the temperature of the coolant.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Seamless steel tube and preparation method thereof

The invention provides a seamless steel tube and a preparation method thereof. The preparation method comprises the steps that S1, raw materials of the seamless steel pipe are sequentially subjected to burdening, smelting, first heating, perforating, rolling, first cooling, second heating and sizing or reducing, and a first steel pipe is obtained; s2, the inner surface of the first steel pipe is subjected to water spraying cooling, and a second steel pipe is obtained; s3, the outer surface of the second steel pipe is atomized and cooled, and a third steel pipe is obtained; and S4, the third steel pipe is subjected to second cooling, and the seamless steel pipe is obtained. By means of the two-stage rapid cooling process of inner surface water spraying cooling and outer surface atomization cooling, the problem that in the cooling process of the ultra-thick-wall hot-rolled seamless steel pipe, the heat storage amount is large; and when a pass-type cooling mode is adopted, the cooling speed is reduced due to temperature return of the inner surface of the seamless steel pipe, so that the seamless steel pipe cannot be quickly and uniformly cooled.
Owner:HENGYANG VALIN STEEL TUBE CO LTD

Multi-mode cooling system

The invention discloses a multi-mode cooling system, which comprises a transformer main body, a primary cooling loop and a secondary cooling loop, and is characterized in that the transformer main body comprises a sealed shell, and an iron core, a winding and an immersed cooling liquid which are arranged in the sealed shell; the primary cooling loop comprises radiators on the front side and the rear side of the transformer main body and a multi-needle-net type ion wind radiating device; the secondary cooling loop comprises an evaporator, a condenser, a water evaporation cooling device and related connecting pipelines, the water evaporation cooling device comprises a water tank at the top, a valve, a packing layer, an air draft fan and a receiving disc, when the load of the transformer is increased, the valve is opened to provide cooling water, micro capillary pores of the packing layer are utilized to form a spraying opening for water evaporation cooling, and the water evaporation cooling device is connected with the condenser. And the air draft fan is started to accelerate the air to flow from top to bottom. The cooling mode is selected according to the operation working condition of the transformer, the whole device does not need to additionally provide driving force, refrigerant liquid can achieve self-driven circulation, and energy consumption is reduced while stable work of the transformer is guaranteed.
Owner:SOUTHEAST UNIV

Plastic bottle pressurizing and blowing device and bottle blowing method thereof

PendingCN120645420ACold airForce convection
The invention relates to the technical field of plastic bottle production, and discloses a plastic bottle pressurizing and blowing device and a bottle blowing method thereof, and cold air is quickly sprayed to the outer surface of a just formed plastic bottle through air holes uniformly formed in the inner wall of a mold cavity. Cold air is in direct contact with the plastic bottles, heat is rapidly taken away through forced convection, and the plastic bottles are cooled and shaped in a short time. Compared with a traditional natural cooling mode, the cooling efficiency is remarkably improved through the cooling mode, the product quality is guaranteed, the production cycle of a single product is shortened, and therefore the overall production efficiency is improved. In addition, the high-pressure gas in the main exhaust pipe is shunted through the auxiliary gas filling pipe, so that the cross sectional area of circulation of the high-pressure gas can be increased, the total flow of the gas entering the bottle preform can be increased, and the expansion speed of the bottle preform is obviously increased.
Owner:GUIZHOU XINSHENGJIA FOOD GRAIN & OIL CO LTD

Temperature control type and limiting type cooling method metal specific heat capacity measuring instrument

The utility model provides a temperature control type and limit type cooling method metal specific heat capacity measuring instrument which comprises a control electric box and a measuring instrument body, the measuring instrument body comprises a base, and bottom feet are arranged at the bottom of the base. The control electric box comprises a measuring part and a temperature control part, and the temperature control part comprises an intelligent PID heating control meter and a temperature control input; a furnace body, a thermocouple plug, a stand column, a sample support, a windshield and a protective cover are arranged on the base, the stand column is located on the right side of the base, a rotatable rotating sleeve is arranged at the upper end of the stand column, a limiting nut is arranged at the top end of the stand column, a fixing shaft is arranged on the left side of the rotating sleeve, a center limiting locking nail is arranged between the rotating sleeve and the fixing shaft, and the thermocouple plug is connected with a control electric box measuring part. The utility model relates to the field of metal specific heat capacity measurement, which can ensure that the temperature of a furnace body is constant and the heating temperature of a sample is constant by adopting an intelligent PID (Proportion Integration Differentiation) heating control meter, and can keep the center unchanged when the furnace body is lifted by limiting and fixing a center limiting and locking nail and an auxiliary locking nail.
Owner:CHANGCHUN CHANGCHENG EDUCATION INSTR CO LTD +1

Feed cooling apparatus and method of cooling

The present application provides a kind of feed cooling equipment and its cooling method, feed cooling equipment includes multiple feed cooling tanks, filter equipment, humidification module and cooling module, cooling module is used to deliver cooling air to multiple feed cooling tanks;Each feed cooling tank includes tank body, is provided with stirring device on tank body;Cooling pipe is fixedly arranged on the inner wall of tank body, filter equipment is used to filter out impurities and smell in air;Humidification module is humidified to cooling air, and then the air with certain temperature and humidity is obtained to carry out cooling and humidification treatment to feed in tank body, avoid the case that feed mildew caused by internal temperature of feed is too high, prolong the shelf life of feed, while the moisture of feed is improved from 8-9% to 10-11%, improve the input-output ratio of production.
Owner:TONGWEI AGRI DEV CO LTD

Automatic fire extinguishing and cooling system for liquid storage tank and fire extinguishing and cooling method thereof

The invention discloses a liquid storage tank automatic fire extinguishing and cooling system and a fire extinguishing and cooling method thereof.The liquid storage tank automatic fire extinguishing and cooling system comprises a first storage tank and a second storage tank which are adjacent, and the first storage tank communicates with the second storage tank through a connecting pipe; a first foam release device and a second foam release device are coaxially arranged in the first storage tank and the second storage tank respectively, a cut-off device is arranged at the center of the connecting pipe, and the cut-off device is linked with the first foam release device or the second foam release device; when the temperature of the first storage tank or the second storage tank is too high, the cut-off device can cut off the connecting pipe, and the first foam release device or the second foam release device can rise to be higher than the liquid level in the first storage tank and the liquid level in the second storage tank along the axis of the first storage tank or the axis of the second storage tank and obliquely and downwards spray cooling foam to the liquid level. Synchronous triggering of temperature abnormity, pipeline isolation and foam spraying can be achieved, seamless connection of isolation and fire extinguishing is ensured, the manual intervention link is eliminated, the fire response time is greatly shortened, and the fire extinguishing agent coverage range and coverage precision are improved.
Owner:BAICHENG COUNTRY ZHONGTAI COAL COKING CO LTD

Water vapor cooling device, compression equipment and cooling method

The water vapor cooling device, the compression equipment and the cooling method are used for a water vapor compressor, a water vapor exhaust pipeline is arranged at an outlet of the water vapor compressor, the water vapor cooling device comprises a cooling medium supply assembly and a cooling assembly, and the cooling medium supply assembly is used for providing a cooling medium; the cooling assembly is connected with the water vapor exhaust pipeline and comprises a liquid storage cavity, multiple spray pipes and an adjusting mechanism, the cooling medium supply assembly communicates with the liquid storage cavity, the multiple spray pipes are arranged at intervals, each spray pipe communicates with the liquid storage cavity, and each spray pipe is provided with a nozzle; the adjusting mechanism is arranged in the liquid storage cavity, and the adjusting mechanism is configured to be switched among different working positions according to the flow of the cooling medium so as to selectively communicate the liquid storage cavity with one or more of the spray pipes. The water vapor cooling device is simple in structure, the spraying amount can be adjusted only by changing the flow of cooling water, cooperation of other variables is not needed, and the response speed can be increased.
Owner:CANGZHOU CHINA RESOURCES THERMAL POWER CO LTD +1