56results about How to "Increase cooling rate" patented technology

The utility model relates to the technical field of wear-resistant ceramic processing, in particular to a cooling component for wear-resistant ceramic processing, which comprises a bottom plate, an air cylinder mounted on the side surface of the bottom plate, a water tank fixedly connected to the side surface of the air cylinder, a control panel fixedly connected to the outer surface of the water tank, and a refrigeration sheet fixedly connected to the inner wall of the water tank. The inner bottom wall of the water tank is fixedly connected with a temperature sensor, the temperature sensor is electrically connected with the control panel, the control panel is electrically connected with the refrigeration sheet, the top of the water tank is fixedly connected with a cover plate, the surface of the cover plate abuts against a water inlet cover, the top of the cover plate is provided with a suction pump, and the bottom of the suction pump extends into the water tank and communicates with the water tank; the water temperature in the water tank can be monitored in real time through the temperature sensor, when the water temperature is high, the refrigeration piece works through the control panel, then the water is cooled in time, then the cooled water is sprayed to the surface of the ceramic plate through the spraying pipe, and the ceramic plate can be cooled.

The application provides a carbon dioxide rapid cooling fire extinguishing device, and relates to the technical field of fire extinguishing equipment. The carbon dioxide rapid cooling fire extinguishing device comprises a high-pressure liquid storage tank and a hand control valve, the high-pressure liquid storage tank is internally stored with high-pressure liquid carbon dioxide, the top of the high-pressure liquid storage tank is provided with a tank body interface, the hand control valve is installed at the tank body interface, the outlet end of the hand control valve is connected with a double-flow channel valve seat, and the double-flow channel valve seat is internally provided with a main jet flow channel and an auxiliary flow channel which are independent of each other. In the application, the fluid is divided by the double-flow channel valve seat, the main flow channel is two-stage adiabatic expansion through a cyclone expansion pressure reducer to generate a large amount of dry ice microcrystal to realize rapid cooling, the auxiliary flow channel retains high-pressure gas and accelerates the dry ice microcrystal in the mixed-flow lance, so that the jet flow obtains higher kinetic energy to penetrate the fire plume, and the covering efficiency and the cooling and fire extinguishing performance of the fire extinguishing agent are significantly improved.

The present disclosure provides a neutron target device for boron neutron capture therapy, comprising: a container having a containing cavity; a neutron target component arranged in the containing cavity, the neutron target component comprising a target disc and a target sheet detachably connected with the target disc; a rotating component connected with the target disc for driving the neutron target component to rotate; a driving component connected with the rotating component for driving the rotating component to rotate; and a cooling component arranged at an end of the rotating component away from the neutron target component for supplying a cooling liquid; wherein the rotating component is provided with a liquid inlet cavity and a liquid outlet cavity, the target disc is provided with a liquid inlet flow channel and a liquid outlet flow channel, and the target sheet is provided with a liquid inlet hole and a liquid outlet hole; the liquid inlet flow channel is in communication with the liquid inlet cavity and the liquid inlet hole, and the liquid outlet flow channel is in communication with the liquid outlet cavity and the liquid outlet hole. The flow path structure of the neutron target device of the present disclosure is conducive to improving the cooling rate of the target sheet; and the target sheet is detachably connected with the target disc, which is conducive to the convenience of replacing the target sheet.

The invention provides a production forming device for amorphous strips, and belongs to the technical field of amorphous strip machining. The device comprises a bracket, a hollow rotating shaft, a cooling roller, a reverse cooling cylinder and a circulating pipeline. A cooling medium channel is arranged in the bracket; the hollow rotating shafts are rotationally arranged on the bracket and are respectively communicated with the corresponding cooling medium channels; two ends of the cooling roller are connected with two groups of hollow rotating shafts; the reverse cooling cylinder is located in the cooling roller, and a cooling medium opposite to the flowing direction in the cooling roller circulates in the reverse cooling cylinder; two groups of circulating pipelines are arranged at the two ends of the reverse cooling cylinder; the cold air plate is wound on the outer side of the cooling roller in an arc-shaped structure; and a plurality of groups of ultrasonic atomization plates are uniformly arranged on one side surface, facing the cooling roller, of the cold air plate at intervals. According to the amorphous strip production forming device, the temperature difference of cooling media at the two axial ends of a cooling roller can be reduced, and the alloy liquid cooling efficiency is improved through cooperation of cold air and water mist.

This utility model discloses a cold energy compensation device and a refrigerator, comprising: a refrigeration system containing a cold exchanger; an installation space containing a cold storage component; the installation space also having a first opening and a second opening; the first opening communicates with the cold exchanger via a first air duct, and is also fitted with a first partition component to block the flow of cold energy generated by the cold exchanger to the cold storage component; the second opening communicates with a compartment via a second air duct, and is also fitted with a second partition component to block the flow of cold energy from the cold storage component to the compartment. When the door of the corresponding compartment is detected to be open, the first partition component opens, effectively preserving cold energy and reducing energy consumption during the opening process; when the door of the corresponding compartment is detected to be closed, the first partition component closes and the second partition component opens, allowing the cold storage component and the cold exchanger to simultaneously provide cooling, rapidly cooling the corresponding compartment and improving overall energy efficiency and user experience.

The application belongs to the technical field of laser additive manufacturing, and particularly relates to an array type laser additive manufacturing method and device, which comprises the following steps: S1, digital model import and layering slicing; S2, scanning path planning and filling setting; S3, array type laser synchronous output control; S4, powder flow and powder feeding path control; S5, according to the width of the additive, the width of single track cladding is adjusted in real time; S6, according to the slice layer material of the additive, the matching material is delivered; S7, S1-S6 are repeated, and layer-by-layer accumulation is performed until the part manufacturing is completed. The application can accurately control the grain size, improve the material microstructure, and improve the mechanical properties; the generation of defects such as thermal cracks and pores is reduced, the stability of the deposition process is ensured; the interlayer bonding is optimized, the quality of multi-layer deposition is ensured; the residual stress is reduced, the size precision, shape stability and fatigue performance of the part are improved; the post-processing requirement is reduced, and the processing cost is reduced.

The utility model discloses a quick cooling water chiller for water-based paint production, which comprises a cold water cylinder and a paint cylinder, the outer side of the cold water cylinder is provided with an air cylinder, the top end of the air cylinder is provided with a supporting table, the supporting table is rotatably connected with a transverse strip, the lower part of one end, far away from the supporting table, of the transverse strip is rotatably connected with a stirring piece, and the stirring piece comprises a U-shaped pipe. One end of the U-shaped pipe is connected with a bent pipe, the other end of the U-shaped pipe is connected with a transverse pipe, the far end of the transverse pipe extends into a cavity between the cold water barrel and the coating barrel, the end, extending out of the upper surface of the transverse strip, of the bent pipe is connected with a first hard pipe through a rotary connector, and the first hard pipe is connected with a water pump through a telescopic pipe. The water pump communicates with the interior of the cold water cylinder through a second hard pipe. Through the arrangement of the rotary joint, the first hard pipe, the telescopic pipe, the second hard pipe and the water pump, cooling liquid is introduced into the stirring piece in a circulating mode, the stirring piece cools while stirring, cooling operation is conducted on the inner side and the outer side at the same time, and the cooling rate is increased.

The utility model discloses a high-temperature smoke exhaust retaining fan device for fire fighting, which relates to the technical field of fire fighting equipment and comprises a support seat, a cooling mechanism and a smoke suction mechanism, a smoke exhaust pipe is fixedly connected onto the support seat in a penetrating manner, and a smoke exhaust fan is fixedly mounted at one end of the smoke exhaust pipe. The cooling mechanism comprises a water storage tank fixedly connected to the outer wall of the top of the supporting base, a snakelike heat conduction copper pipe arranged in the water storage tank, a refrigerator, a temperature sensor, a stirring assembly and a controller fixedly installed on the outer wall of the front side of the water storage tank, wherein the refrigerator and the temperature sensor are sequentially and fixedly installed on the inner wall of one side of the water storage tank. According to the smoke exhaust device, high-temperature smoke can be fully cooled in the smoke exhaust process, adverse effects of high-temperature factors on the performance of the fan are avoided, and the smoke exhaust efficiency can be guaranteed; and the smoke exhaust fan is provided with the retention filtering assembly, so that the smoke exhaust fan has an effective retention function, harmful substances in smoke can be effectively intercepted, and the situation of secondary pollution is avoided.

The utility model relates to heat treatment technical field, concretely is a kind of alloy casting heat treatment device, including furnace body, cooling pipe group is installed on furnace body side wall, and the same water outlet pipe is installed in the water outlet end intercommunication of cooling pipe group, and the same water inlet pipe is installed in the water inlet end intercommunication of cooling pipe group;Furnace body is provided with control part, it is to adjust the opening and closing quantity of water inlet end in cooling pipe group, when needing to carry out slow cooling, the opening quantity of water inlet end in cooling pipe group can be reduced, when needing to carry out rapid cooling, the opening quantity of water inlet end in cooling pipe group can be increased.The utility model is added cooling pipe group and control part, utilizes control part to adjust the opening quantity of cooling pipe in cooling pipe group, when some casting needs slow cooling, open a small amount of cooling pipe, when some casting needs rapid cooling, open most cooling pipe or full open to speed up cooling rate, can realize the regulation and control of cooling pipe working quantity, can better satisfy actual use demand.

The utility model relates to the technical field of disconnecting switches, in particular to a static contact for a disconnecting switch, which comprises a static contact and a horizontally arranged feeler lever mounted at the bottom of the static contact, symmetrically arranged mounting blocks are fixedly connected to the outer side of the feeler lever, and reaction components are symmetrically mounted on the sides, away from the feeler lever, of the mounting blocks. According to the utility model, through the arrangement of the mounting block, the reaction assembly, the connecting rod, the baffle plate, the reaction spring, the connecting plate, the contact plate, the conductive plate and the contact semi-open tube, when the device is used, the moving contact extends out and is clamped towards the direction of the contact rod, the contact plate moves to drive the contact semi-open tube to move, the reaction spring is stressed and compressed, and the contact semi-open tube is clamped by the baffle plate. According to the design, the contact area of the moving contact and the feeler lever can be increased, pressure compensation can be automatically carried out between the moving contact and the feeler lever, and unstable contact caused by external factors is avoided.

The utility model relates to the technical field of adhesive tape production equipment, and discloses an ethylene-propylene-diene monomer adhesive tape production cooling device which comprises an adhesive tape cooling bin, supporting legs are evenly arranged on the periphery of the bottom end of the adhesive tape cooling bin, and a bin opening closing door is rotationally arranged on the side edge of the adhesive tape cooling bin. A plurality of adhesive tape supporting assemblies are evenly arranged in the adhesive tape cooling bin, and adhesive tape cooling assemblies are arranged on the side edges of the adhesive tape supporting assemblies. Wherein an ethylene-propylene-diene monomer rubber strip placed on a rubber strip bearing net plate in the rubber strip supporting assembly is independently separated through a separation sheet, so that all parts of the surface of the ethylene-propylene-diene monomer rubber strip can be simultaneously air-cooled, the overall cooling rate of the ethylene-propylene-diene monomer rubber strip is greatly improved, the problem that water stains are left on the surface of the ethylene-propylene-diene monomer rubber strip is solved, and the service life of the ethylene-propylene-diene monomer rubber strip is prolonged. The adhesive tape cooling device can be suitable for common and higher adhesive tape cooling treatment requirements, and the cooling use requirement of a user is met.

The utility model discloses an environmental protection type quenching medium cooling device relates to quenching medium cooling technical field, and this device includes the cooling cylinder, the positive top of cooling cylinder is equipped with the closure lid, the surface symmetry of closure lid is equipped with the plugboard, the surface symmetry of cooling cylinder is equipped with the locating frame, the upper surface of locating frame is equipped with the slot that supplies the plugboard and moves, and the bottom of cooling cylinder is connected with the liquid discharge pipe through the solenoid valve. The utility model discloses the stirring subassembly and cooling assembly that are set up, can be stirred to quenching medium through stirring subassembly in the operation process of cooling assembly, to can promote the cooling efficiency and effect of quenching medium, set up the heat removal subassembly, can further promote the cooling efficiency of quenching medium, set up the filtering component, can effectively filter purification to the toxic gas, to can effectively protect the health of environment and staff's body.

This application discloses a control method for a refrigerator, which includes a refrigerator compartment and a compressor. The control method includes: acquiring baseline values ​​of the compressor's operating time across multiple historical start-stop cycles; acquiring the compressor's current operating time in the current cycle; and determining the load change information of the freezer compartment based on the baseline values ​​and the current operating time. This application targets refrigerators where only the refrigerator compartment has a temperature sensor. By comparing the deviation between the compressor's current operating time in the current cycle and the baseline values, the load change information of the freezer compartment can be determined in a timely manner. The load change information can be used to determine whether a load change has occurred in the freezer compartment, and the refrigerator's cooling strategy can be adjusted in a timely manner based on the load change information. For example, the cooling rate of the freezer compartment can be increased to prevent excessive temperature rise in the freezer compartment, which would lead to poor food preservation, or the compressor frequency can be reduced to save energy.

The utility model discloses a cryostat system adaptive to a pulse electron paramagnetic resonance spectrometer, which comprises a cryostat component and a low-loss infusion tube component, and one end of the cryostat component is fixedly mounted with one end of the low-loss infusion tube component. According to the cryostat system adaptive to the pulse electron paramagnetic resonance spectrometer, the pulse electron paramagnetic resonance spectrometer can be used for experiments in a low-temperature environment, liquid helium / liquid nitrogen is adopted to directly refrigerate a sample, experiment conditions in the low-temperature environment are realized, the external diameter of a 62mm electromagnet gap is adapted to be smaller than or equal to 50mm through compact design, sufficient sample space is reserved, and the experiment efficiency is improved. The modularized interface supports rapid disassembly and assembly and function expansion, direct liquid helium / liquid nitrogen refrigeration, the cooling rate is increased by 30%, the temperature control precision reaches + / -0.1 K, vacuum insulation and a cold shield cooperate to reduce heat loss, the modularized interface is compatible with a mainstream pulse EPR probe, and the effect of a variable temperature experiment is supported.

The utility model provides a kind of blow molding product cooling device, the blow molding product cooling technical field, including cooling bin, cooling bin is the hollow cylindrical structure of top end opening, still include: mould, spiral pipe, cooling liquid import, cooling liquid export and air cooling system, mould is set in cooling bin inner chamber middle part, for the water cooling temperature reduction of the blow molding product to be cooled in cooling bin;Spiral pipe is set in mould inner chamber, for the delivery of cooling liquid;Cooling liquid import is set in spiral pipe top end free end.The utility model adopts the double cooling system of water cooling and air cooling cooperation, can build efficient heat conduction channel from mould inside and outside, substantially speed up blow molding product cooling rate, effectively break through the efficiency bottleneck of single water cooling, especially can significantly shorten the cooling time of thick-walled blow molding product;The double cooling system is shortened by improving cooling efficiency Single product cooling cycle, make production rhythm adapt batch efficient operation demand, can be directly converted into capacity improvement, and can reduce unit product comprehensive cost.

The utility model relates to the technical field of bar testing, in particular to a thermal simulation test auxiliary cooling device and a thermal simulation device. The utility model provides a thermal simulation test auxiliary cooling device, which comprises a device body and a cooling cabin, the cooling cabin is connected to the device body, the cooling cabin comprises a cabin body and a sample mounting part, the cabin body is internally provided with an accommodating space, the sample mounting part is provided with a sample mounting port, and the accommodating space is provided with an opening. A sample is guided into the accommodating space through the sample mounting opening; the cabin body is provided with at least one liquid inlet and outlet connector, and the liquid inlet and outlet connector is communicated with the containing space. According to the technical scheme, the cooling rate of the high-temperature sample needing surface measurement can be effectively increased, and swelling capacity data measurement errors caused by external water cooling or air cooling are effectively avoided.

This invention discloses a method for preparing a gas separation membrane, specifically a method for densifying and hydrophobically modifying the outer surface of a hollow fiber membrane. The invention primarily involves mixing isotactic polypropylene granules in a mixer and heating them to 150-200°C. The granules are then stretched and extruded into a membrane through a spinneret while in a molten state. The membrane is then cooled for 1-3 minutes in a cooling chamber using volatile alkanes or alcohols as atomizing cooling media. Finally, the hollow fiber membrane fibers are stretched and drawn onto rollers, automatically wound onto the rollers to form the original membrane fibers. These fibers are then subjected to post-treatment processes such as overnight soaking in deionized water and washing to obtain the hollow fiber degassing membrane. The advantages of this invention are that it eliminates the need for introducing other components (the alcohol solvent is fully evaporated without residue), avoids material compatibility and stability issues between different components, and provides a long-lasting and reliable hydrophobic enhancement effect.

The utility model belongs to instant noodle processing technical field, concretely is a kind of pressure cooking device for instant noodle processing, including cooking box;The middle part of cooking box is equipped with conveying assembly, the middle part of conveying assembly is equipped with conveying mesh belt, the top of cooking box is fixedly connected with steam conducting pipe, the top of steam conducting pipe is connected with first external air pipe, the first external air pipe is fixedly connected with cooking box, the bottom of steam conducting pipe is connected with multiple first air holes, the both sides of cooking box are hinged with heat-insulating curtain cloth, by setting up water guide pipe, external water pipe transmission cold water, atomizing spray head is formed into water mist with cold water, increase the contact area of cold water and instant noodle, so that water mist can more act on instant noodle, and then accelerate instant noodle cooling rate, reduce waiting time, realize the effect of accelerating instant noodle processing efficiency.

The utility model discloses condensing equipment for new material processing and production, which belongs to the technical field of new material processing and comprises a barrel, a feed hopper arranged on one side of the top of the barrel, an exhaust pipe arranged on the other side of the top of the barrel and a discharge pipe arranged at the bottom of the barrel. A circulating pipe is spirally wound around the top of the cold air cavity, and the two ends of the circulating pipe extend to the outer side of the barrel. The cone block is arranged in the barrel, the hollow cavity is formed in the cone block, the air holes are formed in the outer wall of the cone block, cold air enters the hollow cavity and is uniformly discharged from the air holes, and a conveying mechanism composed of the motor and the bolt conveying rod is matched, so that raw materials can be circulated up and down in the using process, the fluidity of the raw materials is improved, and the service life of the raw materials is prolonged. And when the raw materials flow downwards from the outer side of the conical block, cold air is used for cooling, the cooling rate during use of the device is increased, and the practicability is higher.

The utility model relates to the technical field of concrete, and discloses a temperature control device for mass concrete. The temperature control device for the mass concrete comprises a support, a temperature measurement assembly, a heat dissipation assembly and a spraying assembly, a plurality of heat conduction pipes are arranged on the support, and the heat conduction pipes can penetrate through the mass concrete; the temperature measuring assembly is detachably installed in an inner cavity of the heat conduction pipe and comprises a moving seat capable of moving in the second direction and a plurality of temperature measuring pieces arranged on the moving seat, and the temperature measuring pieces are used for measuring the temperature in the mass concrete; the heat dissipation assembly is detachably installed in an inner cavity of the heat conduction pipe and is configured to conduct out heat in the mass concrete. The spraying assembly is movably arranged on the top of the support in the vertical direction and used for spraying water to the surface of the mass concrete. The temperature control device for the mass concrete can dynamically monitor the temperature in the mass concrete, the probability of temperature cracks of the mass concrete is reduced, and the cooling rate of the mass concrete is increased.

The utility model discloses a diamond saw blade cooling device in the technical field of diamond saw blades, which comprises a base, a water tank A is mounted at the inner bottom end of the base, and an operating frame is mounted on one side of the top of the base. According to the fact that the diamond saw blade is installed at the output end of the motor C on the movable frame, in the cutting process of the diamond saw blade, cooling water spraying cooling treatment can be conducted on the diamond saw blade in cooperation with the pump body and the spray head, and in the period, the diamond saw blade is driven and controlled by the motor A to rotate to the rear portion; the diamond saw blade is driven by the motor B to descend into the water tank B, and the diamond saw blade and cooling water in the water tank B are subjected to soaking cooling, so that the overall cooling rate of the diamond saw blade is increased, and residues on the surface of the diamond saw blade are flushed.

The invention discloses a titanium alloy surface laser cladding wear-resistant and self-lubricating coating suitable for a high-load environment and a preparation method thereof. The method comprises the following steps: 1, grinding, polishing, cleaning and preheating the surface of a titanium alloy substrate; secondly, titanium powder, titanium carbide powder and silver powder are subjected to ball-milling mixing and then dried, and composite powder is obtained; thirdly, the composite powder is conveyed to a titanium alloy base material cladding area, laser cladding is conducted, and a cladding piece is obtained; and fourthly, the cladding part is subjected to slow cooling treatment, and the wear-resistant and self-lubricating coating is obtained. By controlling the content of each component and adopting the high-energy ball milling and laser cladding processes, a fine Ag lubricating phase is uniformly introduced into a high-hardness Ti-TiC coating system, dispersed distribution of Ag elements is realized, microscopic segregation is remarkably inhibited, and the composite coating which is uniform and compact in structure, high in hardness and low in friction coefficient is prepared on the surface of the titanium alloy. And the service reliability and the service life of the titanium alloy key component under the high-load working condition are remarkably improved.

The utility model belongs to the technical field of glass cooling, and particularly relates to a rapid cooling device for tempered glass production, which comprises a cooling box with a box door on the front side and two fixing frames, clamping mechanisms are arranged in the cooling box and the fixing frames, mounting plates are symmetrically arranged on the two sides of the fixing frames, and the mounting plates are arranged in the cooling box. A cooling fan is mounted in a mounting groove formed in the mounting plate, two sides of the glass are simultaneously cooled through the cooling fan, the sliding seat and two sides of the top surface are fixedly connected with the bottom end of the fixed frame respectively, a cylinder of which the output end is connected with the sliding seat is mounted on the back surface of the cooling box, and the sliding seat is pushed to move through the cylinder, so that the clamping mechanism moves out of the cooling box; two pieces of glass can be cooled from the two sides of the glass at the same time, the cooling speed of the glass is increased, the clamping mechanism can be pushed out of the cooling box, and assembling and disassembling of the glass are facilitated.

The utility model relates to the technical field of valve shaft production and processing, and discloses a cooling device for single valve shaft production, which comprises a shell, electric push rods are rotatably connected to the front and rear ends of the right side of the inner wall of the shell, a rotating heat dissipation plate is rotatably connected to the bottom ends of the electric push rods, and a rotating shaft is rotatably connected to the left side of the top wall of the rotating heat dissipation plate. The top end of the rotating shaft is rotatably connected to the left side of the inner wall of the shell, a storage plate is slidably connected to the middle of the inner wall of the shell, cooling equipment is fixedly connected to the bottom of the rear side of the inner wall of the shell, and a frequency conversion fan is fixedly connected to the bottom of the left side of the shell. According to the device, primary air cooling is completed under airflow output of the multi-hole spray head, then when the valve shaft falls on the top of the storage plate, clear water is injected into the shell, and meanwhile, secondary water cooling can be conducted on the valve shaft in cooperation with cooling equipment, so that the situation that the production efficiency is reduced due to the poor effect of a single cooling mode is avoided.

The utility model relates to the technical field, in particular to benzophenone crystallization equipment for medicine synthesis. The benzophenone crystallization equipment for medicine synthesis comprises a support frame, a dissolving bin, a support rod, a first electric heating wire, a second electric heating wire and the like, a dissolving bin is fixedly connected to the supporting frame, a discharging port is formed in the bottom in the dissolving bin, a supporting rod is fixedly connected to the upper side in the dissolving bin, a first electric heating wire is fixedly connected to the lower side of the middle of the supporting rod, and a certain number of second electric heating wires are evenly arranged on the first electric heating wire. When the cooling liquid is injected into the hollow cooling frame body, the motor and the fan blades are used for convection, so that the cooling speed in the cooling frame body is accelerated, and the effect of preventing crystal particles from being too fine or preventing other byproducts from being generated is achieved.

The utility model relates to the technical field of consumable electrode vacuum furnaces, in particular to an efficient consumable electrode vacuum furnace. The efficient vacuum consumable electrode furnace comprises a consumable electrode furnace body and a cooling mechanism, the cooling mechanism comprises an intelligent sensing assembly, a first cooling assembly and a second cooling assembly; the first cooling assembly comprises a first water jacket; the second cooling assembly comprises a second water jacket; an inner-layer water cooling space is formed between the first water jacket and the crucible, and an outer-layer water cooling space is formed between the second water jacket and the first water jacket; the intelligent sensing assembly comprises a sensor arranged on the first water outlet pipe and a first switch valve arranged on the second water inlet pipe; the sensor is electrically connected with the first switch valve. The efficient self-consuming vacuum furnace has a double-layer water cooling structure, the cooling rate of the crucible can be remarkably increased, so that the metal solidification speed is increased, meanwhile, the effect of recovering and taking away heat is achieved, and in addition, the inner and outer layer water cooling spaces are spaced for a certain time to form gradient cooling which can inhibit the overgrowth of columnar crystals; therefore, the production efficiency and the quality stability are improved simultaneously.

The utility model discloses a frozen hamburger precooling mechanism, including; meat pie; biscuit, divide into lower cake and upper cake; net belt type conveyer belt is used for conveying meat pie, lower cake and upper cake, and lower cake, meat pie, upper cake are arranged in proper order, and the included angle between the connecting line of lower cake, meat pie, upper cake and the direction of conveyance is acute angle, precooling part, respectively to lower cake, meat pie and upper cake cooling, the utility model has the advantages of being through the setting of precooling box, and can separate lower cake, meat pie and upper cake and carry out precooling, improve the contact area of cold air and lower cake, meat pie and upper cake, improve the cooling rate, when the temperature of meat pie, lower cake and upper cake is about 15 degrees, through the setting of conical hopper, the scattered meat pie, lower cake and upper cake can be concentrated and fall in the cooling box, and then concentrated freezing is carried out.

The application discloses a dynamic control method for accelerating ingot solidification process, and belongs to the technical field of ingot solidification production. The dynamic control method is characterized by the following steps: helium gas is introduced into the air gap between the poured ingot and the pouring mold for cooling; the cooling flow and pressure of the introduced helium gas are dynamically adjusted in real time according to the cooling condition of the ingot core, so that the temperature of the ingot core is rapidly reduced, thereby accelerating the solidification process of the ingot and improving the internal quality of the ingot. The dynamic control method for accelerating ingot solidification process is characterized by the following steps: firstly, the best data database is constructed by using the process parameters of the pressure and flow rate of the helium gas introduced into the air gap between the ingot and the metal mold; secondly, the process parameters of the pressure and flow rate of the introduced helium gas are compared with the corresponding database data to obtain the helium gas cooling parameter deviation value; and finally, the pressure and flow rate of the introduced helium gas are adjusted according to the judgment result.

The utility model relates to a thermal management system and a vehicle. The thermal management system comprises a first air-conditioning circulation loop, a second air-conditioning circulation loop and a third air-conditioning circulation loop, the compressor, the refrigerant side of the heat exchanger and the refrigerant side of the refrigerator are sequentially connected in series to form the second air conditioner circulation loop; the compressor, the non-supercooling condenser and the evaporator are sequentially connected in series to form the third air conditioner circulation loop; the compressor, the non-supercooling condenser and the refrigerant side of the refrigerating machine are sequentially connected in series to form the fourth air conditioner circulation loop; the battery pack assembly and the water side of the refrigerating machine are sequentially connected in series to form a first battery pack circulation loop; the battery pack assembly, the water side of the refrigerator and the water side of the heat exchanger are sequentially connected in series to form a second battery pack circulation loop; the electric drive module and the water side of the refrigerator are sequentially connected in series to form a first electric drive circulation loop. According to the heat management system and the vehicle, the refrigerating speed is high, system control is easy, the structure is simple, and cost is low.

The utility model relates to the technical field of dust collector part machining, and discloses an automatic hair brush shaft punching device which comprises a working table, the top wall of the working table is fixedly connected with a fixing shaft device, the rear side of the working table is fixedly connected with a connecting frame, and the middle of the top wall of the connecting frame is fixedly connected with a punching device. A frequency conversion fan is fixedly connected to the left side of the top wall of the connecting frame, the rear end of the right side of the frequency conversion fan communicates with an extraction pipe, the bottom end of the extraction pipe communicates with a collecting box, a filter plate is fixedly connected to the middle of the inner wall of the collecting box, and a plurality of inclined grooves are formed in the middle of the top wall of the workbench and the middle of the top wall of the collecting box correspondingly. According to the scrap collecting device, airflow extraction can be completed through the multiple inclined grooves, then scraps enter the collecting box, meanwhile, under blocking of the filter plate, the scraps are collected and treated by the collecting box in a unified mode, and the situation that the scraps drift away in a machining workshop and enter machining equipment to damage the machining equipment is avoided.