98results about How to "Shorten cooling time" patented technology

The invention relates to the technical field of mining explosion-proof power supplies, and discloses a damping explosion-proof device for a mining lithium battery power supply, which comprises a protective shell, a sealing cover plate is arranged above the protective shell, two groups of lithium battery cells are mounted in the protective shell, a circuit board is fixed above the lithium battery cells, and the circuit board is fixed above the lithium battery cells. The circuit board is electrically connected with the lithium battery core through a wire, a charging and discharging connector is fixed on the outer side surface of the protective shell, and the charging and discharging connector is electrically connected with the circuit board through a wire; the device can stably and efficiently move in a severe environment, the formed buffer structure can reduce bumping and improve the buffer performance in the moving process of the device conveniently, heat on the heat conducting plate can be taken out through heat dissipation holes in time, the temperature in the protective shell can be reduced, and the explosion-proof performance of the mining lithium battery power supply can be improved.

The invention provides a method for regulating and controlling cooling time after Joule heating and a high-entropy oxide electrocatalyst based on the method, and belongs to the technical field of electrocatalytic electrolysis of water. According to the method, the relationship between the graphite substrates with different mass area ratios and the cooling time is determined based on the Newton's law of cooling by carrying out volume segmentation on the graphite substrates; the structure and performance of the high-entropy oxide electrocatalyst are regulated and controlled on the basis of a cooling time regulation and control strategy; the prepared high-entropy oxide electrocatalyst has excellent oxygen evolution reaction catalytic activity in an alkaline environment, the structure of the high-entropy oxide electrocatalyst with the cooling time of 0.3 s is a nanowire assembled by fine nano-particles, the high-entropy oxide electrocatalyst shows the optimal electrochemical performance, and under the current density of 10 mA cm <-2 >, the high-entropy oxide electrocatalyst has excellent oxygen evolution reaction catalytic activity. And the overpotential is only 219 mV. The method provided by the invention is simple and efficient, and can be widely applied to preparation and performance optimization of the electrocatalyst.

The invention discloses a cryogenic reliquefaction device utilizing natural gas cold energy. The cryogenic reliquefaction device comprises a compressor, an expansion machine and a motor used for driving the compressor and the expansion machine to rotate. The compressor is sequentially connected with the water cooler, the backheating heat exchanger, the expansion machine and the supercooling heat exchanger through pipelines to form a cooling loop; a cooled loop is formed between the supercooling heat exchanger and the liquefied natural gas storage device; at least one refrigerant side inlet of the backheating heat exchanger is communicated with the liquefied natural gas storage device, and an outlet of the backheating heat exchanger is communicated with the boil-off gas collecting facility. When the reliquefaction device works, natural gas cold energy can be fully utilized, part of heat exchange loss of the heat exchanger is offset, the inlet and outlet temperature of the compressor is improved, the compression efficiency is greatly improved, meanwhile, the use amount of cooling water can be reduced, and therefore the comprehensive efficiency of the reliquefaction device is improved. And the device has high economic and practical values in occasions where natural gas is needed.

The invention relates to the field of intermediate frequency furnace control cabinets, in particular to an intermediate frequency furnace control cabinet cooling system which comprises a cabinet body, mounting frames, circulating pipes, a circulating mechanism and a heat dissipation mechanism, the cabinet body is divided into a plurality of mounting chambers, the mounting frames are mounted in the mounting chambers respectively, and the circulating pipes are mounted on the side faces and the back faces of the mounting frames; the plurality of circulating pipes are annularly arranged to form a heat dissipation group, the plurality of heat dissipation groups are uniformly arranged along the height direction, and a temperature sensor is mounted in a region corresponding to each heat dissipation group; each circulating pipe is communicated with the buffer box through a circulating mechanism, and the cooling medium in the buffer box is cooled through a heat dissipation mechanism. According to the invention, the number of circulating pipes participating in circulation in the area is controlled through the temperature sensor in each area, so that the local temperature in the control cabinet is accurately adjusted; the cooling time is adjusted by measuring the temperature of the cooling medium after heat dissipation, so that the cooling medium participating in circulation meets the cooling requirement, and the heat dissipation time and the heat dissipation energy consumption are reduced to the maximum extent.

The invention provides a multi-temperature-field automatic thermal cycle test device and a test method thereof. The multi-temperature-field automatic thermal cycle test device comprises an automatic material conveying unit, a high-temperature environment field unit, a low-temperature environment field unit, a room-temperature environment field unit, an electrical control unit and an outer frame platform unit, the automatic material conveying unit comprises a lifting storage rack, a lifting operation mechanical arm and a rotating main shaft; the high-temperature environment field unit comprises a high-temperature environment box body which can be opened and closed, and an electric heating element is mounted in the high-temperature environment box body; the low-temperature environment field unit comprises a low-temperature environment box body which can be opened and closed, and a liquid nitrogen refrigerating device is mounted in the low-temperature environment box body; the room temperature environment field unit comprises a room temperature field fan. A plurality of temperature fields are adopted, a refrigerating medium is used for achieving rapid cooling at the low temperature, a heating wire is used for achieving rapid heating at the normal temperature in the air environment and at the high temperature, the multiple temperature fields are provided at the same time or different temperature fields can be rapidly switched, and thermal cycle test research under large-range temperature changes can be carried out.

The invention relates to the field of acrylic plate processing, in particular to acrylic plate production and processing equipment which comprises a mounting seat, and a heating mechanism and a bending mechanism are arranged on the mounting seat; the heating mechanism comprises a base and a heating bin; a first electric telescopic rod is arranged in the base, one end of the first electric telescopic rod is hinged to the heating bin, and one side of the heating bin is hinged to the base; the bending mechanism comprises a sliding table, a bending assembly and a cooling assembly. The sliding table is slidably connected to the top of the mounting base, one side of the sliding table is connected with a second driving rod, and the other end of the second driving rod is connected to the base; in the cooling process, the flatness of the corners is guaranteed through the positioning plate, the positioning plate is pushed by the air pressure push rod to position the corners of the acrylic plate, the deformation conditions such as upwarp of the corners can be effectively avoided in the cooling process, the product quality is improved, and the problems of defective products are reduced.

The invention discloses a vacuum hot-pressing furnace for seed crystal bonding, and relates to the technical field of seed crystal bonding, the vacuum hot-pressing furnace comprises a heat preservation cylinder body, an upper pressing disc and a bearing disc, the outer wall of the heat preservation cylinder body is provided with an exhaust pipe and a pressure regulating pipe, the upper pressing disc is located in an inner cavity of the heat preservation cylinder body and is provided with a heater, and the exhaust pipe and the pressure regulating pipe are both provided with electric valves; a driving cylinder is installed at the upper end of the heat preservation barrel in a sealed mode, the movable end of the driving cylinder is located in an inner cavity of the heat preservation barrel and connected with the upper pressing disc, the heat preservation barrel comprises a heat preservation top plate, a heat preservation bottom plate and a semi-ring plate, the heat preservation top plate and the heat preservation bottom plate are arranged up and down, and an opening and closing door is rotationally arranged on the semi-ring plate. The semi-ring plates and the opening and closing door are made of heat conduction materials, and the heat preservation device further comprises a heat preservation ring plate and a driving unit used for driving the heat preservation ring plate to move up and down. The heat preservation ring plate capable of automatically moving up and down is arranged in the vacuum hot pressing furnace, so that the heat dissipation time of the assembly can be greatly shortened, and the working efficiency is improved.

The invention discloses a cold head container for a liquid-helium-free superconducting magnet and a using method of the cold head container, and belongs to the technical field of superconducting magnetic resonance equipment.The cold head container comprises a first-level container heat transfer block and a second-level container heat transfer block, a sleeve is arranged above the first-level container heat transfer block, and the bottom end of the sleeve is fixedly communicated with a through hole of the first-level container heat transfer block; an upper flange is fixedly installed at the top end of the sleeve, a connecting flange is fixedly installed above the upper flange, a plurality of evacuation sealing valves are arranged on the peripheral side of the connecting flange and communicate with the interior of the sleeve, and a plurality of evenly-distributed flexible cold guide plates are fixedly connected to the peripheral side of the container primary heat transfer block. A connecting pipe and a corrugated pipe are arranged between the container primary heat transfer block and the container secondary heat transfer block; the using method of the cold head container comprises the steps that S1, the magnet is pre-cooled; s2, dismounting the pre-cooling assembly; s3, mounting the refrigeration component; according to the cold head container, the pre-cooling time of the magnet can be remarkably shortened, and meanwhile, the refrigeration part is more convenient to replace.

The invention provides a silicon carbide powder synthesis device and method, and relates to the technical field of silicon carbide synthesis. The silicon carbide powder synthesis device comprises a base, the upper surface of the base is fixedly connected with a cylindrical boss, the upper surface of the cylindrical boss is provided with a small cylinder, the cylindrical surface of the small cylinder of the cylindrical boss is rotatably connected with a rotating disc, the upper surface of the rotating disc is provided with a T-shaped groove, and the T-shaped groove of the rotating disc is slidably connected with a sliding tooth groove rod. A tooth groove is formed in the upper surface of the sliding tooth groove rod, the side, away from the center of the rotating disc, of the sliding tooth groove rod is fixedly connected with a containing assembly, a crucible assembly is arranged above the containing assembly, and a protective shell is fixedly connected to the upper surface of the base. The three crucible assemblies are located in the heating area, the cooling area and the processing area respectively, it is guaranteed that the equipment is always in the working state in most of the time, the situation that the equipment is in the idle state due to the fact that the crucibles need to be cooled is avoided, and therefore the production efficiency of the equipment is improved.

An accurate cooling system for hot-rolled coil matched warehouse steel coil stacking and chopping comprises a steel coil temperature measuring device, an industrial personal computer, a draught fan, an electric cabinet and a spraying system, an infrared thermal imager monitors total radiation infrared thermogram information and high-temperature alarm information of warehouse area steel coil stacking and chopping in real time, and the information is transmitted to the industrial personal computer through a router; the fans are distributed between two rows of steel coil stacks on the edge of the reservoir area and supply air to channels between the adjacent steel coil stacks; the electric control box controls the starting and stopping actions of corresponding equipment and adjusts the power of a motor of the spraying pump station, and the spraying system controls the work of a spraying head; a PLC module is arranged in the electric control box and used for storing a steel coil accurate cooling control algorithm, and parameters such as on-off instructions of the draught fan, the electromagnetic valve, the water supplementing pipe and the pneumatic valve are obtained through calculation. The device has the advantages that the structure is simple, the building difficulty is low, the hot rolled steel coil pile can be accurately and uniformly cooled, the hydroelectric energy loss is greatly reduced, the cooling time is greatly shortened, the production rhythm is improved, and smooth production is ensured.

The utility model discloses a water-cooling cabinet heat dissipation device and a water-cooling cabinet thereof, and belongs to the technical field of water-cooling cabinets. Comprising a box body, the interior of the box body is hollow, a separation assembly is installed in the box body, the hollow part of the box body is separated into a plurality of mutually independent U-shaped cavities through the separation assembly, a copper pipe is installed in the box body, the copper pipe vertically penetrates through the separation assembly, an inlet and an outlet of the copper pipe penetrate through the side wall of the box body, and liquid inlets and liquid outlets with the same number as the U-shaped cavities are formed in the side wall of the box body; the liquid inlet and the liquid outlet are located at the ends of the U-shaped cavity, the liquid inlet and the liquid outlet are located at the two ends of the side wall of the box body, a liquid storage box is installed on the box body and communicated with the liquid inlet and the liquid outlet, the liquid storage box is provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are communicated with the outside. According to the utility model, the accommodating cavity is divided into a plurality of mutually independent flow channels to dissipate heat of the copper pipe, so that not only is the heat dissipation time shortened, but also the heat dissipation effect is improved.

The hot water kettle comprises a shell assembly, a heating assembly and an air supply device, the shell assembly comprises a kettle body and an air duct shell, a water storage cavity and a water outlet communicated with the water storage cavity are formed in the kettle body, and the air duct shell is connected with the kettle body; an air guide channel and a first through hole are formed in the air duct shell, and the first through hole, the air guide channel and the water storage cavity are sequentially communicated; the heating assembly is arranged on the kettle body or the air duct shell so as to heat the water storage cavity; the air supply device is arranged on the air duct shell and used for sucking air flow from the first through hole and guiding the air flow into the water storage cavity, water in the water storage cavity is rapidly cooled, the boiled water cooling time is shortened, and the requirement that a user can drink water with the appropriate temperature in time is met.

The invention relates to an amber heat-clearing composition for treating acute infantile convulsions, which is characterized in that the amber heat-clearing composition is composed of 50-70 g of rheum officinale, 50-70 g of scutellaria baicalensis, 10-30 g of agilawood, 10-30 g of coptis chinensis, 10-30 g of lapis chloriti, 10-30 g of gypsum, 5-10 g of amber and 5-15 g of cinnabar. The traditional Chinese medicine composition adopts traditional Chinese medicines with small or no toxic or side effects, the traditional Chinese medicine composition has the effects of clearing heat, purging fire, eliminating phlegm and relieving convulsion, simultaneously adopts a method of clearing liver and soothing liver to recover the functions of main channels and tendons of the liver and heal the convulsion, and is proved by clinical practice tests for many years, so that the fever abatement time of a fever child patient can be shortened, convulsion of the child patient caused by high fever is avoided, and the curative effect of the traditional Chinese medicine composition is improved. Meanwhile, the traditional Chinese medicine composition can also effectively improve upper respiratory tract infection and comprehensively treat from multiple angles, so that the convulsion of a child patient is effectively controlled, the total effective rate reaches 96.9%, the treatment effect is good, the traditional Chinese medicine composition has a certain effect on the prevention of the convulsion in the interval and later periods, and the relapse of the convulsion can be effectively avoided.

This utility model discloses a spiral cooling device for cooling grease, including a fixed base, with upright plates fixedly installed on both sides of the top of the fixed base. A lead screw is rotatably connected between the two upright plates, and a displacement block that is slidably connected to the fixed base is threadedly connected to the middle of the lead screw. A cooling housing is provided at the top of the displacement block, and a feeding assembly is fixedly installed on one side of the cooling housing. This spiral cooling device for cooling grease, through the setting of a stirring mechanism, drives the first connecting plate and the second connecting plate to move synchronously. The cooling rod cools the cooling water in the cooling housing, and the rotation of the cooling rod increases the contact area between the cooling water and the grease in the spiral conveying pipe. The displacement block slides along the lead screw, causing the cooling water in the cooling housing to collide laterally with the spiral conveying pipe, shortening the cooling time of the grease in the cooling housing and improving the cooling efficiency of the grease.

The utility model belongs to the technical field of heating furnaces for preparing and storing hydrogen materials, and particularly discloses a cooling and stirring structure of a heating furnace for preparing and storing hydrogen materials, which comprises a cooling fan arranged outside a heating furnace body and a cooling component positioned in the heating furnace body, and the cooling fan is communicated with the cooling component through an air inlet pipe; a supporting assembly is arranged on the outer side of the air inlet pipe and connected with the cooling assembly, an air cylinder is arranged at the top of the heating furnace body, and the output end of the air cylinder is connected with the supporting assembly and used for driving the cooling assembly to move vertically. The cooling assembly is arranged in the heating furnace body, the cooling assembly is communicated with the external cooling fan to further cool a melt-spinning sheet falling off from the cooling roller in an accelerated mode, the air cylinder is connected with the cooling assembly, ascending and descending of the cooling assembly are achieved, and the melt-spinning sheet is crushed and stirred. The specific surface area of the material is greatly increased, the surface sites of the hydrogen storage material for adsorbing hydrogen are increased, and the hydrogen storage efficiency is effectively improved.

The application discloses a heat-resistant tool for fixing a thermocouple and a temperature measuring method of a shaft furnace. The heat-resistant tool comprises a fixing assembly and prefabricated cement blocks. The fixing assembly comprises a base, a supporting column and a locking structure. The locking structure is fixed above the base through the supporting column. Two prefabricated cement blocks capable of being buckled into a column are fixed in the locking structure. The temperature measuring method of the shaft furnace comprises the following steps: hoisting and feeding the temperature measuring tool and the fixing assembly into the shaft furnace after fixing; fixing the thermocouple by using the locking structure; measuring the temperature; pulling out the thermocouple under high temperature; hoisting out the fixing assembly and the broken prefabricated cement blocks of the heat-resistant tool together with the temperature measuring tool to complete the temperature measurement. The heat-resistant tool for fixing the thermocouple has the advantages of simple structure, convenient operation and reusable fixing assembly. After the temperature measurement is completed, the thermocouple can be directly pulled out under high temperature, and the thermocouple will not be damaged when being pulled out, thereby saving the cooling time and improving the work efficiency.

The utility model provides a vacuum cup capable of cooling quickly, which relates to the field of vacuum cups and comprises a radiating cover, a motor cover plate, fan blades, a heat conducting rod, phase change particles, a battery and a spring. The anode end of the battery is tightly attached to the lower side surface of the anode current-conducting plate, and the cathode end of the battery is tightly attached to the upper side surface of the cathode current-conducting plate; the fan blades are fixedly connected to a motor shaft of the fan motor through keys. The heat dissipation cover is bonded with the anode conductive contact piece, and the heat dissipation cover is bonded with the cathode conductive contact piece; the top ends of the springs are welded to the lower side face of the pressing plate, and the bottom ends of the springs are welded to the heat preservation cover. The heat conduction rod is welded to the center of the lower side face of the sealing cover. Through the arrangement of the fan motor, the fan blades, the phase-change particles and the heat conducting rod, quick cooling of overheated drinking water is achieved, the cooling time of the drinking water is saved, and the problem that a traditional vacuum cup cannot quickly cool the overheated drinking water is solved.

The utility model relates to the technical field of cooling-water machines, and discloses an energy-saving industrial cooling-water machine which comprises a cooling-water machine body, a cooling fan is fixedly connected to the outer surface of the upper end of the cooling-water machine body, and base supporting columns are fixedly connected to the outer surface of the periphery of the lower end of the cooling-water machine body. According to the energy-saving anti-blocking water chiller, impurities in water can be conveniently and rapidly filtered through the arranged energy-saving anti-blocking assembly, the conditions that the impurities enter the water chiller and block a pipeline of the water chiller and the like are prevented, the impurities in the water can be collected to be cleaned, cleaning is convenient and rapid, and the condensation pipe and the condensation pipe protection shell are arranged, so that the water chiller is convenient to clean. According to the water cooling device, water at the water inlet pipe can be rapidly and preliminarily cooled, consumption of the water entering the evaporator is reduced, the cooling time of the water in the evaporator is shortened, the energy-saving effect is achieved, and better use prospects can be brought.

The present invention relates to a refrigeration display cabinet with good refrigeration effect. The cabinet body is provided with an inner liner and a mounting bottom shell. The inner liner and one side of the mounting bottom shell are enclosed to form a receiving inner cavity. One side of the mounting bottom shell and the inner liner form an air guide inner cavity. A baffle is provided in the air guide inner cavity. The evaporator is located at the upper end of the compressor. A transmission pipe is connected between the evaporator and the air guide inner cavity. The mounting bottom shell is provided with a plurality of air inlets and a plurality of air outlets on the inner side of the receiving inner cavity. An air inlet channel is formed between the baffle and the mounting bottom shell. The air inlet channel is connected to the air guide inner cavity. The air outlet is connected to the air guide channel. An exhaust fan connected to the air inlet is provided on the mounting bottom shell. An exhaust hole connected to the exhaust fan is provided on the inner liner. The present invention realizes the circulation of hot and cold air in which hot air is discharged and cold air is supplemented, thereby realizing the effect of rapid internal refrigeration, effectively improving the refrigeration effect of the refrigeration display cabinet, and shortening the refrigeration time.

The invention discloses a continuous casting and continuous forging method for smelting metal by using an electron beam cold bed furnace, which is characterized in that a process for smelting the metal by using the electron beam cold bed furnace is improved, the temperature is directly increased to the temperature required by cast ingot forging in an ingot chamber and maintained for a preset time for constant-temperature treatment, and the cast ingot subjected to the constant-temperature treatment can be directly cast and processed. And the forging time of the product is greatly shortened, and the efficiency is improved.

This invention discloses a rapid cooling device and method for beverage vending machines. By setting up an insulated enclosure structure, the entrance to the dispensing compartment is divided into a rapid cooling compartment entrance and a normal temperature entrance. Movable baffles are installed on the sides of the insulated enclosure structure, allowing beverages to reach the dispensing compartment via either the rapid cooling compartment entrance or the normal temperature entrance, depending on the user's needs. A contact evaporator is installed inside the rapid cooling compartment, and the contact evaporator has a channel for beverages to fall through. A sealed top cover and a locking bottom cover are installed at the bottom of the rapid cooling compartment, ensuring a sealed space and improving cooling efficiency while achieving beverage cooling. The contact evaporator is connected to the compressor. During cooling, the contact evaporator is in close contact with the beverage falling into the rapid cooling compartment, enhancing the heat exchange area and efficiency of the rapid cooling compartment, shortening the cooling time, and improving cooling efficiency while reducing energy consumption.

The invention relates to a refrigerating system and refrigerating equipment. The refrigerating system comprises a heat dissipation device, and a water storage device, an atomization device and a condensation device which are communicated in sequence, wherein the water storage device is used for inputting a water source to the atomization device; the atomizing device is arranged on one side of the condensing device and used for atomizing a water source into water mist and spraying the water mist to the condensing device; the heat dissipation device is used for providing wind power for the condensing device for heat dissipation. By means of the arrangement, water mist and air are mixed to form humidifying cooling airflow, the humidifying cooling airflow can remarkably improve the surface heat exchange efficiency of the condensing device, the influence of the environment temperature on the heat dissipation effect of the condensing device is reduced, the heat dissipation effect of the condensing device is improved under the working condition of the condensing device with the same size, and therefore the refrigerating time of a refrigerating system is shortened, and the refrigerating efficiency is improved. The refrigeration efficiency is improved.

The invention discloses a baked food cooling device, and relates to the technical field of baked food cooling, the baked food cooling device comprises a cooling box, the side surface of the cooling box is provided with a heat dissipation assembly, the outer side of the heat dissipation assembly is provided with a sealing assembly, the sealing assembly is matched with the heat dissipation assembly, the outside of the sealing assembly is fixedly connected with a dust shielding net, and the top of the cooling box is provided with a dust shielding net. A slow rotation assembly is arranged in the cooling box, a storage cabinet body is fixedly connected to the upper portion of the slow rotation assembly, a plurality of containing plates are arranged on the storage cabinet body and slidably connected with the storage cabinet body, a folding and unfolding assembly is slidably connected to the rear portions of the containing plates, a cooling plate is arranged at the bottoms of the containing plates, and a heat conduction assembly is arranged in the cooling plate. The device is efficient and convenient, through rapid cooling in the device, the cooling efficiency of baked food is improved, and the cooling time is shortened.

The present invention discloses a method for reducing the hardness of a 420w material by combining a sintering method with heat treatment annealing. The method adjusts the rate of the cooling stage of the sintering process, that is, first keeping the temperature at 800°C, then keeping the temperature at a cooling rate of 50°C / min from 800°C to 500°C, and then cooling from 500°C to room temperature with the furnace. The design of the present invention is reasonable, and the heat treatment annealing process and the sintering cooling stage of the 420w stainless steel material are combined. The sintering hardness of the 420w stainless steel material can be reduced by adjusting the parameters of the cooling stage of the sintering process, which is convenient for subsequent shaping, tapping, polishing and other processes, and there is no need to use a special heat treatment furnace for annealing, which reduces the heating and cooling time of the special heat treatment furnace, and reduces the material transfer time, saving labor costs, which is equivalent to reducing the cost of heat treatment, and the size and hardness stability of the sintered product are more suitable for mass production.

The utility model relates to the technical field of aluminum ash particle treatment, in particular to a circulating treatment device for mixed aluminum ash particles, which comprises an aluminum making machine, a cooling box is arranged at the bottom of the aluminum making machine, and the cooling box is communicated with the aluminum making machine through a first pipeline. A first groove is formed in the bottom of the aluminum making machine and communicates with the first pipeline, a first motor is fixedly connected to the right side face of the aluminum making machine, a rotating shaft is fixedly connected to the output end of the first motor, a T-shaped block is fixedly connected to the outer surface of the rotating shaft, and the T-shaped block is located in the first groove. A bottom plate is fixedly connected to the interior of the cooling box, an air cylinder is fixedly connected to the rear end of the cooling box, a push plate is fixedly connected to one end of the air cylinder, and the push plate is located in the cooling box. The aluminum ash particle heat dissipation device is reasonable in structure, the heat dissipation efficiency of aluminum ash particles can be greatly improved when the aluminum ash particle heat dissipation device is used, and the heat dissipation time of the aluminum ash particles is greatly shortened.

The present invention relates to the technical field of carbon black high temperature furnaces, and discloses a high temperature furnace cooling control system and method, the system comprising: an acquisition module, a calculation module, a judgment module, and a cooling module. The acquisition module acquires the real-time temperature of the temperature detection points in the carbon black high temperature furnace and determines the real-time temperature set; the calculation module constructs a real-time temperature curve according to the real-time temperature set, calibrates the real-time temperature points, and calculates the slope of the temperature curve between every two adjacent real-time temperature points; the judgment module judges whether the carbon black high temperature furnace meets the coordinated cooling conditions according to all the temperature curve slopes; the cooling module generates a cooling treatment plan for the carbon black high temperature furnace according to all the real-time temperatures when the carbon black high temperature furnace meets the coordinated cooling conditions, wherein the cooling module comprises an air cooling unit and a water cooling unit, which can efficiently cool the carbon black high temperature furnace, shorten the cooling time, ensure the operating reliability and stability of the carbon black high temperature furnace, and improve the production efficiency of the carbon black high temperature furnace.

The invention belongs to the technical field of skin cream, and particularly relates to moisturizing skin cream for repairing at night and a preparation method of the moisturizing skin cream. A top cover is mounted at the top of the working box; a motor is fixedly connected to the inner side wall of the bottom of the working box; the output end of the motor is fixedly connected with a stirring cooling barrel; a fixing rod is fixedly connected to the center of the bottom of the top cover; the middle part of the fixed rod is fixedly connected with a stirring impeller; a plurality of groups of heat conducting plates are fixedly connected to the side wall of the stirring and cooling barrel; by adding the moderator during preparation of the moisturizing skin cream for repairing at night, the irritation of the moisturizing skin cream for repairing at night can be neutralized, so that the moisturizing skin cream is softer during use, and the irritation to the skin of a user is reduced.

The invention discloses a desktop-level extrusion type 3D biological printer with a closed refrigeration cavity, relates to the technical field of biological 3D printing, and solves the problem existing in the refrigeration aspect in the biological 3D printing process, the printer is internally provided with a refrigeration cavity of a closed structure, during printing, most of refrigerated air is reserved in the cavity, and the refrigeration cavity is sealed. The refrigeration sheets are installed on the upper face, the lower face, the left face, the right face, the front face and the rear face of the closed printing cavity, and the problem that the temperature rises along with the increase of the printing height due to the fact that the refrigeration sheets only exist at the bottom is solved through refrigeration in all directions. A series of plate-shaped structures are arranged outside the printer, the internal space of the printer is isolated from the external environment, the closed freezing cavity is always in a stable temperature environment in an air cooling mode, the problem that the printer is greatly influenced by the room temperature due to an open structure is solved, and the temperature of the closed freezing cavity is more stable.

The invention discloses a low-constant temperature synthesis reaction device for polycarboxylic acid water-reducing agent, and relates to the field of polycarboxylic acid water-reducing agent synthesis. The device comprises a reactor, a cooler and a heat exchanger. The top of the reactor is provided with a feed port and an addition port, the bottom is provided with a discharge port, the shell of the reactor has an interlayer, the lower part of the interlayer is connected to a cooling water inlet pipe, and the upper part is connected to a cooling water outlet pipe. The cooler is connected to the other end of the cooling water inlet pipe and the cooling water outlet pipe. The heat exchanger comprises a plurality of heat exchanger plates in parallel, and two adjacent heat exchanger plates are respectively connected to the reactor and the cooler; wherein, a liquid inlet pipe and a liquid outlet pipe are connected between the reactor and the heat exchanger, and a water inlet pipe and a water outlet pipe are connected between the cooler and the heat exchanger. The synthesis device circulates and continuously cools the reaction liquid by introducing the cooling water in the reaction liquid and the cooler into adjacent heat exchanger plates respectively, thereby greatly improving the cooling efficiency and synthesis effect, and being able to maintain a constant temperature all the time.