33results about How to "Improve temperature distribution" patented technology

The invention provides waste gas treatment equipment and method.The waste gas treatment equipment comprises a reaction cavity, an overflow cavity and a passive rotating turbulent flow device, the passive rotating turbulent flow device comprises a conical spoiler, a spoiler support, a hollow base and base fins, the conical spoiler is used for generating turbulent flow or eddy flow when waste gas passes through the reaction cavity, and the base fins are arranged in the reaction cavity; the base fins are used for controlling the rotating speed of the whole passive rotating turbulent flow device through self rotation, so that the passive rotating turbulent flow device rotates in the reaction cavity. The rotating speed of the whole passive rotating turbulent flow device is controlled through rotation of the base fins, so that rotation of the passive rotating turbulent flow device in the reaction cavity is achieved, gas turbulence is enhanced, waste gas rotating flowing is promoted, temperature distribution is improved, the temperature difference is reduced, and therefore the treatment efficiency is improved. In addition, dust is not easy to accumulate in gas on the inner wall surface of the reaction cavity, so that regular scraper removal is not needed, and the service life of equipment is prolonged.

The invention discloses a sulfuric acid decomposition reactor, which comprises a metal inner shell filled with a heat conduction material layer; a heated part of the heat exchange type reaction assembly is inserted into the metal inner shell and is wrapped by the heat conduction material layer; and the heating end of the electric heating rod is inserted into the metal inner shell and is wrapped by the heat conduction material layer. The electric heating rod is used for heating, uniform temperature in the metal inner shell is guaranteed through the heat conduction material layer, a high-temperature gas loop is not needed, equipment operation and manufacturing are simplified, the requirement for sealing performance is lowered, equipment reliability is improved, temperature distribution in the metal inner shell is improved through the use of the heat conduction material layer, and the service life of the equipment is prolonged. And the decomposition efficiency is improved.

The utility model discloses silicon-based fluorescent film production equipment, and relates to the technical field of silicon-based fluorescent film production. The device comprises a frame, a tank body is arranged above the frame, an upper polar plate and a lower polar plate are respectively arranged above and below the tank body, a cavity formed by combining the upper polar plate and the lower polar plate is a growth cavity, the lower polar plate is electrically connected with a heating structure, and the heating structure is electrically connected with the tank body. And a plurality of substrates positioned in the growth cavity are arranged above the lower polar plate. According to the heating mechanism disclosed by the utility model, different substrate areas can be independently heated by adopting a zoning technology, the temperature distribution in the growth process is favorably optimized, the uniformity and the quality of film growth are improved, energy waste caused by heating of the whole area can be avoided, and the heating efficiency is greatly improved only by accurately controlling the area needing to be heated. The energy utilization rate is improved, the energy consumption is reduced, and the experiment cost is reduced.

The invention discloses a device and a method for laser crystal growth based on a seed crystal reentry method. The device comprises a furnace body and a control system, the lifting mechanism is arranged in the furnace body and is fixedly connected with the top of the furnace body; the lifting mechanism is connected with a seed crystal support, a rotating mechanism is arranged on the seed crystal support, and a torque detection device is arranged on the rotating mechanism; the seed crystal support is used for loading seed crystals; a crucible is arranged under the seed crystal, a plurality of heating units are arranged around the crucible, a rotating magnetic field generator is also arranged around the crucible, and a cooling system is arranged around the rotating magnetic field generator. According to the device and method for laser crystal growth based on the seed crystal reentry method, the eddy current phenomenon in the laser crystal growth process is effectively restrained by accurately controlling the intensity and frequency of the rotating magnetic field and optimizing magnetic field distribution.

The present invention discloses an independent multi-point quartz lamp thermal assessment device based on focused heating, which can perform remote, continuous, non-contact and controllable heating on the heating surface or point of the sample under test, which not only overcomes the shortcomings of traditional gas thermal shock test devices, such as high cost, large noise pollution, difficult control of temperature distribution and rising and falling rates, low safety, and inability of isothermal thermal cycle test devices to achieve gradient thermal shock, but also overcomes the shortcomings of traditional quartz lamp heating devices, such as low efficiency, low temperature rise, low upper temperature limit, short continuous heating time, and poor adaptability. At the same time, gradient or isothermal thermal shock in a wide range can be achieved by adjusting the heating power, heating distance, and modular splicing number of the quartz lamp. Therefore, the present invention realizes an economical, safe, clean, quiet, flexible and efficient gradient thermal shock test device.

The invention discloses a coal gas injection method in a limonite sintering process, which comprises the following steps of: integrally imaging a sintering charge level according to a thermal imager above the charge level of a sintering machine to obtain the predicted temperature of the charge level, and dividing the charge level into a preheating area, a low-temperature reaction area, a medium-temperature reaction area, a high-temperature sintering area and a cooling area according to the predicted temperature of the charge level; blowing coal gas and mist water drops to the preheating area, the low-temperature reaction area, the medium-temperature reaction area, the high-temperature sintering area and the cooling area according to the coal gas injection amount and pressure and the mist water drop injection amount and pressure of the corresponding areas, and sintering; local overheating or supercooling can be avoided, and the sintering quality is powerfully guaranteed; the gas permeability of a material layer can be optimized through partitioned injection of water vapor, gas circulation and reaction development are facilitated, according to different sintering stages, coal gas and fog drop water are injected at a certain flow rate and pressure, various working conditions can be well adapted, solid fuel consumption in the sintering process is reduced, and the sintered ore yield is increased.

The invention discloses a segmented heating high-voltage high-power fused salt electric heater and an optimization method thereof.The segmented heating high-voltage high-power fused salt electric heater comprises a barrel, the barrel comprises an upper barrel body and a lower barrel body, one end of the upper barrel body communicates with one end of the lower barrel body through a connecting barrel, and tube plates are installed at the two ends of the upper barrel body and the two ends of the lower barrel body correspondingly; a fused salt outlet is formed in the end, opposite to the end connected with the connecting cylinder, of the upper cylinder, a fused salt inlet is formed in the end, opposite to the end connected with the connecting cylinder, of the bottom of the lower cylinder, electric heating elements distributed in the axial direction are arranged in the upper cylinder and the lower cylinder respectively, the electric heating elements are connected with the tube plate, and baffle plates distributed in a staggered mode are installed in the cylinders; molten salt flowing holes are formed in the baffle plates, and the electric heating elements are divided into a plurality of groups. According to the electric heater, the multi-stage electric heating elements are arranged in the electric heater, molten salt area heating is achieved, on the premise that the flow of molten salt is guaranteed, the phenomenon that the molten salt is heated and decomposed due to overtemperature of the molten salt can be obviously relieved, and therefore the safety of a molten salt system is improved.

The embodiment of the invention discloses a high-strength corrosion-resistant CuNi10Fe1Mn alloy copper pipe and a preparation method thereof, relates to the technical field of non-ferrous metal material manufacturing, and aims to solve the technical problem of poor production in the prior art. According to the high-strength corrosion-resistant CuNi10Fe1Mn alloy copper pipe, the content of Ni ranges from 9.0% to 11.0%, the content of Fe ranges from 1.0% to 2.0%, the content of Mn ranges from 0.5% to 1.0%, the sum of impurity elements does not exceed 0.2%, and the balance is Cu.

The utility model relates to the field of electric heating tubes, in particular to a quick-heating electric heating tube, which comprises a shell and a heating tube arranged in an inner cavity of the shell, a guide pin is inserted in the heating tube, one end of the guide pin extends towards one end of the shell and is connected with a lead, one end of the shell is connected with a mounting flange, and a heating wire is sleeved outside the heating tube. The heating pipe is sleeved with a heat conduction pipe, the heat conduction pipe is internally provided with a heat conduction cavity, the heat conduction cavity is filled with heat conduction oil, one end of the heat conduction cavity is provided with an oil injection hole, and the shell is internally provided with an oil injection channel corresponding to the oil injection hole in a communicated mode. The heating wire is arranged between the heating pipe and the heat conduction pipe, so that the heating wire is in contact with the heat conduction pipe, the heat conduction efficiency is further enhanced, the heat conduction oil is filled in the heat conduction cavity of the heat conduction pipe, and the heat is uniformly conducted and distributed on the whole outer surface of the shell.

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 novel energy storage vehicle-mounted refrigerator, and relates to the technical field of refrigeration. The device comprises a box body, a novel energy storage heat exchange system and a control system, the novel energy storage heat exchange system comprises an energy storage body containing a cold storage medium; the cooling channel penetrates through the air duct system of the energy storage body; the heat exchange part is communicated with the vehicle-mounted refrigerating system and comprises a first heat exchange structure in contact with the cold storage medium; and the air guide part drives air to flow through the cooling channel. The first heat exchange structure is provided with a channel and / or a heat exchange piece used for circulating a refrigerant of the vehicle-mounted refrigerating system, and the first heat exchange structure is used for efficiently transmitting the cooling capacity of the refrigerant of the vehicle-mounted refrigerating system to the cold storage medium and / or transmitting the cooling capacity to air through the wall of the cooling channel. Optionally, a second heat exchange structure is arranged in the cooling channel to further strengthen heat exchange of the air. According to the utility model, the heat exchange structure is optimized, so that the refrigeration and cold accumulation efficiency of the system by utilizing the vehicle-mounted refrigeration system is improved.

The application belongs to the field of diamond preparation, and discloses a preparation method of single crystal diamond. The method comprises the following steps: selecting highly close seed crystals and performing acid washing treatment; preparing a substrate table, plating a carbon film on the upper surface of the substrate table, the thickness of the carbon film being 5-10 microns, and cleaning and drying after the plating is completed; placing the acid-washed seed crystals into the substrate table after the plating, then placing the substrate table into a deposition cavity, starting to pass in hydrogen after vacuumizing, and starting to open the microwave etching; after the etching is completed, passing in a mixed gas of methane, carbon dioxide, argon and nitrogen, and growing; after the growing is completed, stopping to pass in methane, increasing the temperature by 100-150 DEG C on the basis of the growing temperature, keeping warm, then cooling to room temperature, and obtaining the single crystal diamond. The application greatly improves the temperature distribution on the seed crystals, promotes the flatness of the growing surface, and can mass-produce single crystal diamond with medium-high quality and high flatness.

The invention discloses an SAE8620H steel tail end hardenability detection method, belongs to the technical field of metal material performance, and aims to solve the problem of poor consistency of detection values of a hardenability detection method in related technologies. Comprising the following steps: preparing a sample; the sample is placed in a heat treatment furnace, nitrogen is added into the heat treatment furnace, the whole hearth of the heat treatment furnace is covered with the nitrogen, and the sample is heated to the austenitizing temperature; after the heat preservation time is ended, taking out the sample from the heating furnace, and carrying out water spray quenching on the sample; after quenching is completed, the sample is put into water to be cooled; after the sample is cooled, the hardness of the quenched end of the sample is measured; according to the invention, the consistency and accuracy of hardenability detection values can be improved.

The present application belongs to the field of burners, and discloses a deflectable wall-type tangential circle boiler burner and a working method. The deflection assembly adopts a transmission mode of servo motors, screw rods and solid rods, which can realize accurate angle adjustment. This makes the burner nozzle able to adjust the direction in real time according to the needs, and optimizes the distribution of combustion gas flow in the furnace. Especially under the conditions of boiler load change or different fuels, this flexible adjustment capability helps to improve the combustion efficiency. By accurately adjusting the deflection angle of the nozzle, the present application can make the combustion gas flow evenly distributed in the furnace, reducing the phenomenon of incomplete combustion. The direction of the burner nozzle can be dynamically adjusted according to different working conditions, so as to better adapt to the needs of different loads and different fuels, and finally improve the overall combustion efficiency of the boiler. The adjustable deflection angle of the present application makes the burner nozzle able to adjust according to the distribution of the temperature in the furnace, effectively avoiding the areas with excessively high or low temperature.

The utility model relates to industrial waste gas treatment technical field especially, is involved in a kind of high-efficiency energy-saving RTO combustion device, including furnace body, the furnace body inner cavity is sequentially provided with combustion chamber, heat storage room and inlet-outlet air chamber from top to bottom, airflow distribution device is arranged in the inlet-outlet air chamber, airflow distribution device is equipped in the inlet-outlet air chamber, the airflow distribution device includes: airflow partition plate, inlet-outlet air chamber is separated into first partition chamber and second partition chamber, the partition plate is formed narrow slit type airflow passage between furnace body side wall;Multiple airflow spoiler of oblique setting, the airflow spoiler is penetrated airflow partition plate and extends to first partition chamber and second partition chamber inside;Telescopic drive component is used for adjusting airflow passage size, telescopic drive component is connected with airflow partition plate transmission.This utility model passes through the setting airflow distribution device dynamic regulation airflow distribution, optimizes ceramic heat storage bed temperature uniformity, to effectively improve thermal efficiency and purification rate.

The utility model relates to the technical field of wire and cable production, in particular to an extruder head filter plate for cable insulation extrusion and an extruder. The utility model discloses an extruder head filter plate for cable insulation extrusion, which comprises a cylindrical plate body, two sides of the cylindrical plate body are respectively provided with a feeding surface and a discharging surface which are recessed inwards, a plurality of runners are arranged on the cylindrical plate body between the feeding surface and the discharging surface, and the runners comprise an inner circular runner area and an outer strip-shaped runner; the inner circular flow channel area comprises a first circular flow channel area, a second circular flow channel area and a third circular flow channel area from inside to outside, and the diameter D1 of a flow channel hole of the first circular flow channel area, the diameter D2 of a flow channel hole of the second circular flow channel area and the diameter D3 of a flow channel hole of the third circular flow channel area are as follows: D1 is greater than D2 and D3 is greater than D2. The utility model aims to develop the extruder head filter plate which can improve the temperature distribution of an insulating material passing through the filter plate, improve the problem of extrusion and blockage on the filter plate and realize large-length insulating production.

The purpose of this invention is to provide a high-efficiency cooling structure for turbine blade crowns with a rotary cooling channel, belonging to the field of gas turbines. It includes blades, rim plates, tenons, and a crown. The crown is located above the blades, which are fixed to the tenons by the rim plates. A rotary cooling channel is installed inside the crown. The upper and lower surfaces of the crown have film cooling holes, and the pressure side of the blade has film cooling holes on its surface. Part of the cold air entering the blade flows out through the film cooling holes on the blade surfaces, while the other part enters the rotary cooling channel through the film cooling holes on the lower surface of the crown and flows out through the film cooling holes on the upper surface of the crown. This invention, by introducing a rotary cooling channel structure into the turbine blade crown, enhances internal convective heat transfer and simultaneously achieves leakage control. The circular film cooling holes form a surface isolation film, and this dual cooling mechanism significantly improves cooling performance, overcoming the limitations of traditional crowned blades that rely on simple geometric barriers.

The invention provides a vertical air conditioner and a control method and device thereof, and the vertical air conditioner comprises an air conditioner body which is sequentially provided with a first air inlet and outlet part and a second air inlet and outlet part from top to bottom; wherein a centrifugal fan is mounted in the first air inlet and outlet part, and an annular first air outlet is formed in the peripheral wall of the first air inlet and outlet part; a cross-flow fan is installed in the second air inlet and outlet part, a second air inlet and a second air outlet are formed in the peripheral wall of the second air inlet and outlet part, and the cross-flow fan is arranged relative to the evaporator. According to the vertical air conditioner and the control method and device thereof, the air curtain function module (namely the centrifugal fan) is additionally arranged on the top of the vertical air conditioner, a horizontal air curtain is formed, cold air and hot air are isolated, hot air is prevented from rising, and therefore temperature distribution in a house is effectively improved, and the heating effect and energy efficiency of the air conditioner are improved.

The invention relates to a scorching method of a steam cracking furnace. The scorching method of the steam cracking furnace comprises the following steps: 1) carrying out gas-liquid separation on heavy hydrocarbon in a gas-liquid separation device to obtain a gas-phase material and a liquid-phase material, and depositing residues on the inner wall of the gas-liquid separation device, 2) conveying the gas-phase material to a radiation section furnace tube of the steam cracking furnace for pyrolysis, generating a pyrolysis product containing ethylene and depositing coke on the inner wall of the radiant section furnace tube; 3) conveying air and / or steam to pass through the radiation section furnace tube to remove at least a part of the coke to obtain scorched tail gas, and 4) enabling the scorched tail gas to enter a hearth of the steam cracking furnace through at least one combustor arranged in the hearth for combustion treatment. The decoking problem of the gas-liquid separation device of the heavy hydrocarbon cracking furnace can be effectively solved.

The invention belongs to the technical field of underwater cooling and thermal management, and particularly relates to an oil-immersed cooling underwater frequency converter temperature field simulation method and system, and the method comprises the steps: building a geometric model of an underwater frequency converter and an internal fluid domain model of the underwater frequency converter; carrying out grid division on a solid grid and a fluid domain of the underwater frequency converter model, and setting material attributes; setting a contact type and a friction condition between objects in the underwater frequency converter; the environment temperature of the underwater frequency converter, the convection coefficient of a shell and seawater, the natural convection and heat transfer coefficient of internal oil and the thermal load of each heating module are set, and the overall heat dissipation performance is verified and optimized through simulation. The technical problems that in the prior art, due to the fact that the thickness of a shell of a pressure-resistant cabin is large, the heat conduction path is long, the heat dissipation efficiency is low, and local overheating is caused due to the fact that the pressure-resistant cabin cannot adapt to water temperature changes and complex distribution of heating devices are solved; the heat dissipation simulation accuracy is improved; and the overall heat dissipation performance is optimized.

The utility model discloses a kind of power semiconductor assemblies. Including at least one power semiconductor device and the integrated heat sink of heat connection with it;Integrated heat sink includes the metal substrate with mounting surface, multiple heat pipe units and fin heat exchange unit, each heat pipe unit includes at least part integrated in metal substrate Evaporation pipe and condensing pipe, which is communicated with evaporation pipe and extends to the outside of metal substrate, fin heat exchange unit is sleeved on the periphery of condensing pipe and is hotly connected with condensing pipe.The structure will device installation area, substrate heat conduction structure and heat pipe heat absorption structure be integrated arrangement, so that device heat can be cooperated by metal substrate and heat pipe unit Export, and dissipate outward through condensing pipe and fin heat exchange unit, to reduce the overall thermal resistance of power semiconductor assembly, improve the temperature distribution of installation area, improve heat dissipation capacity and operating stability.

The utility model provides a kind of for rotary furnace built-in flow guide device, it is related to rotary furnace technical field.The rotary furnace waste heat recovery device, including furnace body, the inner wall of furnace body is fixedly connected with combustion-supporting gas inlet pipe, the end of combustion-supporting gas inlet pipe is rotatably connected with carousel, carousel side is equipped with rotation groove, rotation groove is rotatably connected with rotating block, the one side of rotating block is fixedly connected with duct, rotating assembly one that the rotation of carousel is set on furnace body, and rotating assembly two that rotating block rotates;The rotary furnace waste heat recovery device, by setting rotatable carousel and rotating block, and corresponding rotating assembly one and rotating assembly two, realize the flexible adjustment of combustion-supporting gas inlet direction and angle, and its adjustment range, can be adjusted according to the combustion in stove real time intake direction and angle, improve combustion efficiency, optimize stove temperature distribution, to improve product quality and energy utilization efficiency and applicability.

The present disclosure relates to an assembly for a lithographic apparatus, the assembly comprising: a thermal conditioning plate; the plurality of superconducting coils are used for enabling the objective table to be subjected to magnetic suspension and linear displacement on the superconducting coils, and the plurality of superconducting coils are in thermal contact with the thermal adjusting plate; wherein: the thermal conditioning plate includes a first internal passage for containing a first refrigerant and a second internal passage for containing a second refrigerant; and the first internal channel and the second internal channel are thermally coupled with each other and are in fluid isolation with each other, so that heat transfer between the first refrigerant and the second refrigerant is realized while the first refrigerant and the second refrigerant are in fluid isolation with each other.

The utility model relates to industrial cleaning equipment technical field, concretely is a kind of oil package assembly for multi-station cleaning equipment, including oil package front plate, oil package back plate, first oil package side plate, second oil package side plate and oil package lower plate, the side of oil package front plate is connected with first oil package side plate by first flanging, the other side is connected with second oil package side plate by second flanging, oil package back plate is connected with second oil package side plate by third flanging, each board is collectively enclosed and is formed into the back-to-back character structure with top opening, the inside of each board is equipped with multiple oil package bar plate, oil liquid flow channel is formed between adjacent oil package bar plate, and the communication port for oil liquid penetration is equipped between oil package back plate and oil package lower plate, the utility model is optimized structure layout and welding mode, avoid the stress concentration problem brought by traditional diagonal welding, enhance the overall rigidity and heat distribution uniformity, improve welding firmness, heat exchange efficiency and service life, applicable to the heat preservation and energy continuation demand of multi-station cleaning equipment.

The invention relates to the technical field of chemical engineering, and discloses an automatic combustion device for an aluminothermic reduction method, which comprises a support frame body, the inner side of the support frame body is fixedly connected with a pit furnace, the top of the pit furnace is provided with a driving motor, and the output end of the driving motor is fixedly connected with a driving screw rod; a limiting frame is fixedly connected to the inner top wall of the pit furnace, a threaded block is in threaded connection with the exterior of a driving screw rod, first swing rods are hinged to the periphery of the exterior of the threaded block, a plurality of second swing rods are rotationally connected to the inner side of the pit furnace, and limiting grooves are formed in the outer surfaces of the second swing rods; a sliding block is slidably connected into the limiting groove, and an igniter is installed at the tail end of the sliding block. Through cooperative work of a plurality of igniters, reaction can be started at the same time in different reaction areas, uniform distribution of reaction heat is ensured, the risk of local overheating is reduced, and the efficiency and stability of reduction reaction are remarkably improved.

The invention provides a phase change hydrogel and a preparation method thereof. The phase change hydrogel provided by the invention comprises a hydrogel and a phase change microcapsule dispersed in the hydrogel. The phase-change hydrogel can provide stable temperature in the organ storage process, the influence of temperature fluctuation on organs is reduced, and therefore the transplantation success rate is increased. In addition, the phase-change hydrogel does not need external power supply and is simple and portable, and the phase-change material can be recycled.

The utility model discloses an asymmetric heat dissipation flow guide tire belongs to automobile tire technical field, including tire body, flow guide pattern groove, heat dissipation wire, aerogel heat insulation layer and heat dissipation hole, tire body surface is equipped with a plurality of longitudinal pattern grooves, a plurality of flow guide pattern grooves are arranged on the surface of tire body, and the flow guide pattern groove extends from the inside of tire body to the outside, and the flow guide pattern groove penetrates every longitudinal pattern groove, and a plurality of heat dissipation wires are arranged in the inside of tire body, and one end of heat dissipation wire extends to the inside of tire body, and the other end of heat dissipation wire extends to the outside of tire body, and the aerogel heat insulation layer is covered in the outside of heat dissipation wire, and a plurality of heat dissipation holes are arranged on the axial outside wall of tire body. The utility model discloses a flow guide pattern groove, heat dissipation wire and heat dissipation hole are arranged, realize the breakthrough improvement of tire heat dissipation performance, and the mechanical property and durability are considered simultaneously, have remarkable technical advantage and broad market application prospect.

The utility model relates to the technical field of wafer heating equipment, in particular to a wafer heating device based on resistance wire multi-state temperature control. According to the technical scheme, the device comprises a bottom plate and a set of supporting legs fixedly arranged on the bottom plate, and a supporting round frame is fixedly arranged at the upper ends of the supporting legs; the vacuum chuck assembly is arranged on the inner ring surface of the supporting circular frame in a sleeving manner and used for positioning a wafer, the vacuum chuck assembly comprises a chuck main body, a heat conduction base plate is fixedly arranged on the bottom surface of the chuck main body, and a plurality of clamping grooves are formed in the bottom of the heat conduction base plate; the heating assembly is arranged under the vacuum chuck assembly and used for heating the wafer; and the heating assembly comprises a heating disc. According to the utility model, the heating is more uniform, the heating speed is improved, and the temperature distribution is more uniform, so that the production efficiency of wafers is improved.

The invention relates to the technical field of burn patches, in particular to a burn patch for skin wound treatment and a preparation method thereof.The method comprises the steps that a stirrer is used for dissolving active ingredients and collagen into a solvent to output a mixed solution, silica gel and nylon textile cloth are bonded to output an adhesive film patch, and the adhesive film patch is obtained; coating the mixed solution on one side of the nylon textile cloth of the adhesive film paste; the hot air circulating oven is used for drying the adhesive film paste coated with the mixed solution, a cutting machine is used for cutting the dried adhesive film paste, and the silica gel side of the cut adhesive film paste is punched to output the burn paste; determining the preparation stability of the burn patch based on the variance of the concentration of the mixed solution; if the preparation stability does not meet the requirement, adjusting the rotating speed of a stirring motor of a stirrer; and if the forming effectiveness does not meet the requirement, the cutter feeding amount of the cutting machine is adjusted. The preparation stability of the burn patch is improved.