212 results about "Cooling methods" patented technology

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 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 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 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.

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.

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.

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.

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.

This utility model discloses a high-efficiency cooling device for steel rolling, including a cooling box with openings at both ends along its length for hot-rolled steel to enter and exit; a conveying mechanism for conveying the hot-rolled steel; an air-cooling mechanism including a fan rotatably mounted on the top of the cooling box for blowing air to cool the hot-rolled steel on the conveying mechanism; and a water-cooling mechanism including a spray box rotatably mounted within the cooling box along its length, with multiple nozzles evenly arranged along its length at the bottom of the spray box for spraying water to cool the hot-rolled steel on the conveying mechanism; and a swinging component connected to one end of the spray box along its length for driving the spray box to swing back and forth along its own axis in a vertical plane. This utility model employs both air-cooling and water-cooling methods, resulting in better cooling effect for hot-rolled steel; the rotation of the spray box by the swinging component expands the spray range of the nozzles; and the cooling water is cooled by condenser pipes as it falls, effectively reducing the temperature of the cooling water.

This application discloses a cooling method, apparatus, electronic equipment, readable storage medium, and hot-rolled steel strip production system for a laminar flow cooling roller conveyor, applicable to the field of metallurgical technology. The method includes acquiring temperature detection values ​​from hot metal detectors deployed at the inlet and outlet of the finishing mill. When the first and second temperature detection values ​​first meet the condition of no steel strip in the laminar flow cooling zone, a cooling water delivery command is sent to the laminar flow cooling water system according to a preset unit cooling time to cool the laminar flow cooling roller conveyor. When the first and second temperature detection values ​​again meet the condition of no steel strip in the laminar flow cooling zone, and the current time reaches a preset cooling interval, a cooling water delivery command is sent. This application overcomes the shortcomings of related technologies that cannot guarantee the cooling of the entire cooling roller conveyor, enabling precise control of the laminar flow cooling roller conveyor for cooling.

The invention discloses an air compression station atomization cooling system and a cooling method, and belongs to the technical field of compressed air. The system comprises a condensate water collection module, a cooling execution module, a heat dissipation control module and a control module. The condensate water collecting module treats condensate water generated by the air compression station through a filter and an oil-water separator, and the purified condensate water is stored in a water collecting cavity. The cooling execution module conveys condensate water to an atomizing nozzle through a water pump and sprays the condensate water to the surface of the radiator; the heat dissipation control module is composed of a heat dissipation fan and a temperature sensor, and the heat dissipation intensity is adjusted in real time; the control module intelligently controls operation of the water pump and the fan based on the liquid level and temperature signals. According to the air compression station, condensate water is recycled as a cooling medium, the heat dissipation efficiency is remarkably improved, meanwhile, cyclic utilization of water resources is achieved, and the problems that the condensate water resources are wasted and the heat dissipation efficiency of the air compression station is low are solved.

The invention provides a self-circulation chlorine cooling system and a cooling method thereof.The system comprises a chlorine cooler and a shell-and-tube condenser, a tube pass of the chlorine cooler is used for introducing high-temperature chlorine and discharging cooled chlorine, and a liquid refrigerant is packaged in a shell pass of the chlorine cooler; the liquid refrigerant is used for absorbing heat transmitted by high-temperature chlorine through the pipe wall to generate evaporation phase change, and the liquid state is converted into the gas state. An inlet of the shell-and-tube condenser tube pass is connected with a water supply pipe of a user side cooling water pipe network, and an outlet is connected with a water return pipe; the shell side of the shell-and-tube condenser is used for containing a gaseous refrigerant from the chlorine cooler, cooling water absorbs heat of the gaseous refrigerant to enable the gaseous refrigerant to be subjected to condensation phase change, and the gaseous refrigerant is converted into the liquid state again. The pump-free self-circulation heat exchanger has the advantages of pump-free self-circulation, compact structure, high heat exchange efficiency, good multi-stage isolation safety, simplicity and convenience in operation and maintenance and wide working condition application range.

The invention discloses a rotary drum cooling machine for cooling medium-high temperature materials and a cooling method. The rotary drum cooling machine comprises a blanking inlet (1), a rapid cooling section (2), a membrane wall cylinder section (3) and a discharging system (5) which are sequentially connected in the material conveying direction. The rapid cooling section (2) is used for jet impingement cooling or spray cooling; a plurality of cooling water pipes (301) and membranes (302) in the membrane wall cylinder body section (3) are alternately connected in the circumferential direction to form a membrane wall structure; a water vapor recovery device is arranged at the joint of the rapid cooling section (2) and the membrane wall cylinder section (3); the water distribution pipe (203) is arranged to be communicated with an external water supply pipe and / or communicated with the cooling water pipe (301). The spray and jet impact technology is adopted, a composite cooling mode of a membrane wall cylinder structure is combined, the heat absorption capacity of cooling water is fully utilized, and the cooling water amount is saved.

The utility model discloses a kind of liquid cooling charging cable, charging gun and charging pile, by including quilt, positive liquid copper tube, negative liquid copper tube, independent pipe and at least one auxiliary cooling pipe, since at least one auxiliary cooling pipe is arranged in the inner cavity of liquid cooling charging cable, and it is in structure respectively with the outer surface of positive liquid copper tube, negative liquid copper tube and independent pipe Contact abutment, to build out multiple path parallel cooling structure, increase the cross-sectional area of cooling liquid flow passage, reduce the flow resistance of liquid cooling gun internal cooling pipe, to improve cooling liquid flow, finally improve liquid cooling heat dissipation effect. That is, in the technical scheme of the application, the auxiliary cooling pipe serves as an independent cooling path (indirect cooling method), and cooperates with the main cooling flow channel (direct cooling method of the positive and negative liquid copper tube). The heat in the high-current channel of the cable can be shared, the unit cross-sectional heat density is effectively reduced, the heat dissipation uniformity is enhanced, and the stability is higher in high-power scenarios.

The invention relates to the technical field of extremely low temperature, in particular to a gas adsorption type rapid cooling system and method for an extremely low temperature system. The system comprises a refrigeration mechanism, the refrigeration mechanism comprises a refrigeration unit, and the gas adsorption type rapid cooling system for the extremely low temperature system further comprises an inner shell arranged outside the refrigeration unit in a covering mode, a middle shell arranged outside the inner shell in a covering mode and an adsorber arranged in the inner shell. The adsorber is internally provided with activated carbon or an MOFs (Metal-Organic Frameworks) adsorption material; liquid helium is arranged between the inner shell and the middle shell, and the inner shell is filled with helium with the pressure ranging from 0.1 Pa to 10 Pa. The cooling time of the ultra-low-temperature refrigerating system is shortened by more than half compared with that of a traditional cooling method, and meanwhile extra heat leakage is not caused at the ultra-low temperature.

The invention provides an investment casting cooling device and a cooling method thereof, and relates to the technical field of investment casting cooling, the investment casting cooling device comprises a corrugated pipe, the corrugated pipe can be arranged according to a hot spot area or a key cooling area of a casting, the flow direction of a cooling medium can be well controlled through the corrugated pipe, so that the area needing to be cooled is controlled, and the cooling efficiency is improved. And the air outlet in the corrugated pipe deviates from the pouring gate, so that the pouring gate is effectively prevented from being cooled, feeding can be more effectively carried out, and the technical problems that in the prior art, the action range of liquid nitrogen airflow flowing at a high speed is difficult to accurately control, and a feeding pouring gate system is inevitably affected while a casting body is cooled are solved.

The invention discloses a cooling system and a cooling method for power generation and energy storage equipment of a special vehicle. The cooling system comprises a refrigerant loop and a cooling loop connected through the refrigerant loop. The cooling loop is integrated in power generation and energy storage equipment; the refrigerant loop comprises a liquid cooling condenser, a compressor, a cooler, an evaporator, an expansion valve and an expansion box; the refrigerant loop is provided with a first refrigerating loop and a second refrigerating loop, the cooling loop is connected with the refrigerant loop through the first refrigerating loop and an expansion box, and the cooling loop is cooled through the first refrigerating loop and / or the second refrigerating loop. By the adoption of the cooling system and the cooling method, the cooling efficiency of the whole system is improved to a great extent, the technical problem that in the prior art, the refrigeration requirement of power generation and energy storage equipment cannot be met is solved, and the use requirement of the special vehicle is met.

The invention relates to the technical field of heat pump units, and discloses a circulating type steam heat pump unit and a control method thereof.The circulating type steam heat pump unit effectively solves the technical problem that a compressor of a traditional unit is insufficient in cooling by constructing a linkage structure of oil way circulation and water side heat exchange. Accurate cooling is directly carried out on the high-temperature operation working condition of the compressor, the damage risk caused by overheating of the compressor and accessories is greatly reduced, and the operation reliability of a unit is remarkably improved; meanwhile, heat generated in the oil way cooling process is efficiently recycled for steam water replenishing and preheating, heat waste caused by a traditional external cooling mode is avoided, the heating capacity and heating efficiency of the unit are improved, and overall energy consumption is reduced; the electric connection design of the control device and all the mechanisms lays a solid structure foundation for subsequent accurate regulation and control, it is guaranteed that parameters in all links of cooling, preheating and steam production are highly matched, it is guaranteed that all the mechanism units of the circulating steam heat pump unit operate cooperatively and orderly, and the stability of the unit during working is improved.

The invention provides a dynamic cooling structure and a dynamic cooling method of a triazole continuous crystallizer, and relates to the technical field of triazole crystallization, the dynamic cooling structure comprises a cooling jacket, the cooling jacket comprises an inner attaching layer, a middle cooling liquid cavity and an outer heat preservation layer, the middle cooling liquid cavity is provided with a spiral plate, and the inner attaching layer is in contact with the crystallizer; a plurality of first thermometers are axially arranged in the crystallizer, the middle-layer cooling liquid cavity is connected with a water inlet pipe and a water outlet pipe in a penetrating mode, an electromagnetic flow valve is arranged on the water inlet pipe, a controller is arranged on the crystallizer, and the controller is electrically connected with the first thermometers and the electromagnetic flow valve. The inner attaching layer is tightly attached to the crystallizer, so that the heat conduction path is shortened; a spiral plate in the middle-layer cooling liquid cavity can guide cooling water to form ordered turbulent flow, so that the temperature dead angle of a traditional cooling cavity is reduced, and the heat exchange area and the heat exchange efficiency are greatly increased; the temperature field in the crystallizer is uniformly distributed, and the overall service life of the crystallizer is prolonged.

The invention discloses an electrically-driven bulldozer cooling system and a cooling method, and belongs to the technical field of design and manufacture of engineering machinery, the electrically-driven bulldozer cooling system comprises a speed reduction transmission mechanism, a heat dissipation mechanism, a sensor group, a driving mechanism and a controller, different heat dissipation branches connected with a final transmission part are arranged, and the sensor group is connected with the controller. The flow of the cooling medium in the heat dissipation branch is adjusted in time through the corresponding driving circulation loop and depending on the temperature measured by the sensor set, the cooling effect and cooling efficiency of final transmission in the bulldozer are improved, and the situation that a pure electric bulldozer needs a large braking resistor in the braking process is avoided. The problems that an existing bulldozer is poor in final transmission cooling effect and serious in power consumption are solved.

The embodiment of the application provides a motor cooling method and device, the method comprises the following steps: in the case that the working temperature of the motor is in the normal running temperature range, obtaining target adjustment temperature values at different positions in the motor running link, determining a cooling strategy corresponding to the target adjustment temperature values according to the target adjustment temperature values and the working state of the motor running; controlling the cooling system to execute the cooling strategy, so that the working temperature of the motor is in the normal running temperature range. The embodiment of the application can obtain different temperature values in the motor running link in real time, so that the cooling strategy can be determined in advance according to the obtained temperature values and the working state of the motor running, and the cooling water temperature can be adjusted in real time according to the cooling strategy, so that the motor can be ensured to be in a specified temperature range, time is saved, and cost is reduced.

The invention discloses a concrete mixing plant pneumatic conveying cement cooling system utilizing double cold sources, which uses cold air for pneumatic conveying, combines cooling liquid for double cooling of cement, and utilizes the synergistic effect of the gas-liquid double cold sources to effectively shorten the cement cooling time, improve the cement temperature drop amplitude and improve the cement cooling efficiency. It is ensured that the cement warehousing temperature is stabilized within a certain range, the negative influence of high temperature on the concrete performance is fundamentally eliminated, the cooling efficiency is greatly improved through the composite cooling mode, the limitation of a traditional single cooling mode is broken through, and the industrial pain point that cement is cooled slowly in the high-temperature season is solved.

The invention relates to a cooling method and system for spray water of an air separation device, and belongs to the technical field of energy conservation of an air separation process. According to the method, low-temperature waste nitrogen led out of an air separation low-pressure tower is subjected to sensible heat exchange and evaporative cooling with spraying water in sequence, multi-stage cooling of the spraying water is achieved, the spraying water is recycled into an air separation device, and a closed cooling system is formed. The system comprises a spray water recovery pipeline, a shell and tube heat exchanger, a countercurrent flow heat exchange tower, an air cooling auxiliary tower, a circulating water pump and a waste nitrogen air inducing and pressurizing unit. When the system runs, waste nitrogen is preferentially used as a cold source, dependence on air cooling equipment is reduced, and the overall energy efficiency is improved. According to the scheme, the energy consumption of the system can be obviously reduced, and relatively high resource utilization efficiency and applicability are achieved.

The application discloses a spray cooling system and a cooling method suitable for the spray cooling system. The spray cooling system comprises a liquid storage tank, a first suction pump, a spray chamber, a distributor and a condenser which are sequentially connected and form a cooling loop. Cooling liquid circulates in the cooling loop. The inner cavity of the spray chamber is used for arranging semiconductor devices. The spray chamber is connected with a vacuum pump. The vacuum pump is used for maintaining the air pressure in the spray chamber to be lower than the atmospheric pressure. The cooling liquid sprayed on the semiconductor devices is evaporated at a lower boiling point than the cooling liquid under the atmospheric pressure. The gaseous cooling liquid is discharged into the condenser through a steam discharge pipe. Under the same cooling requirement, the air pressure in the spray chamber is reduced by 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 is reduced, and the energy consumption is reduced.

This invention provides a refrigeration system for fishing vessels that simplifies the configuration and reduces installation space, even when using refrigerants such as ammonia. [Solution] The system comprises multiple oil-cooled single-stage screw compressors 4-6, a first fish hold 2 cooled by the multiple oil-cooled single-stage screw compressors 4-6, and at least one second fish hold 3. The first fish hold 2 and the second fish hold 3 each have different cooling temperature ranges. The first fish hold 2 is cooled by operating each of the multiple oil-cooled single-stage screw compressors 4-6 in parallel in a single-stage compression system, while the second fish hold 3 is cooled by operating the multiple oil-cooled single-stage screw compressors 4-6 in series, combining them as the lower and upper stages of a two-stage compression system.

The utility model relates to a discharging mechanism for formed flame retardant, which is arranged at a discharging hole of an extruder and comprises a rack, a feeding mechanism, a discharging mechanism and a discharging mechanism, a cooling tank is fixedly mounted at the top of the rack, and cooling water is filled in the cooling tank; the heating module is arranged at the bottom of the cooling tank; the end, close to the extruder, of the rack is the front end of the rack, and the other end of the rack is the rear end of the rack. A fan I is mounted in the middle of the front end of the rack, and a fan II is mounted in the middle of the rear end of the rack; a combined cooling mode of air cooling and then water cooling is adopted, and cooling water in the cooling tank can be heated to normal temperature by the heating module, so that internal stress caused by quenching of the flame retardant is effectively avoided, and the problems that the flame retardant continuous material is frequently fractured subsequently and the subsequent granulation process is influenced are solved; in other words, the temperature of the flame retardant is preliminarily reduced in an air cooling mode, good preparation is provided for the subsequent water cooling process, and the uniformity and stability of the cooling effect are ensured.

This invention provides an intelligent mold cooling circulation device based on temperature feedback, comprising a circulation assembly including a chiller, an outlet pipe, a circulation pump, a heat exchange pipe, a heat exchanger, a return pipe, a connecting frame, a mounting plate, an air distribution plate, and a forced exhaust fan; one end of the outlet pipe is connected to the outlet of the chiller. This invention lowers the temperature of the high-temperature return water first through the heat exchanger, and then sends it to the chiller for deep cooling. This pre-cooling method can significantly reduce the cooling capacity requirement of the chiller and reduce its energy consumption. By combining the high-efficiency heat exchange characteristics of the heat exchanger with the precise temperature control capability of the chiller, it breaks through the performance bottleneck of a single cooling method and achieves multiple optimizations in energy saving, stability, and cost control. Furthermore, with the cooperation of the forced exhaust fan, connecting frame, and other structures, the heat exchange effect of the heat exchanger can be improved.

The application provides a cooling device for dilute nitric acid production and a cooling method thereof, relates to the technical field of dilute nitric acid production, and comprises a waste heat driven absorption refrigeration module, a refrigerant energy storage tank and an air-liquid cooling integrated system. The waste heat driven absorption refrigeration module recovers tail gas waste heat generated by an oxidation furnace to produce refrigeration, and the cold energy is delivered to the refrigerant energy storage tank. The air-liquid cooling integrated system comprises a driving module, an air cooling tank, a liquid cooling coil cooling clamp and a separation sleeve. The two opposite ends of the cooling clamp are fixedly connected by end rings to form an integrated structure, and the cooling clamp is vertically hung on the outer wall of the absorption tower through vertical rotation. Through the air-liquid cooling integrated system, the heat medium is efficiently cooled, the production efficiency is improved, the contact area between the heat medium and the cooling medium and the heat exchange efficiency are greatly increased, the rapid cooling of the heat medium in the absorption tower is ensured, and the overall efficiency of the dilute nitric acid production is improved.