685 results about "Direct heating" patented technology

The invention relates to a functional liquid metal-based temperature-responsive hydrogel material and a preparation method thereof, and belongs to the technical field of functional polymer hydrogel materials.The preparation method comprises the following steps that a temperature-responsive hydrogel composite material comprises a hydrophobic association polymer gel and a hydrogel monomer, the hydrophobic association polymer gel comprises a hydrophobic association polymer monomer, a functional filler and an initiator. The functional filler is liquid metal gallium with the edge modified by graphene oxide, and has triple functions: firstly, the functional filler is used as an electrostatic crosslinking node to form a crosslinking network with anionic ionic liquid; secondly, dynamic repair is promoted, and Ga < 3 + > is released to promote dynamic bond recombination. In addition, as a functional filler, the hydrogel is endowed with excellent photo-thermal and electro-thermal conversion performance, and the multi-stimulus response capability is enhanced. The composite material realizes structural assembly by means of hydrophobic association, shows reversible phase change and repeated self-assembly characteristics under various stimuli such as photo-thermal, electric heating, direct heating and the like, and has wide application potential.

The heat accumulating type electric heater comprises a shell and a heat accumulator, a heat preservation and insulation layer is arranged on the inner side of the shell, the shell comprises a first shell section and a second shell section, and the shell is horizontal; the first shell section comprises an inlet section and a diffusion section, and the diffusion section is arranged to be in a conical shape. The diameter of the second shell section is larger than that of the inlet section. The two ends of the diffusion section are connected with the inlet section and the second shell section respectively. The heat accumulator is made of high-temperature-resistant alloy and provided with a plurality of heat exchange holes and heating holes, the heat exchange holes and the heating holes penetrate through the heat accumulator, heating units are arranged in the heating holes, and each heating unit comprises a resistance wire. According to the invention, gas flow heating is realized by adopting resistor direct heating and heat storage, the gas purity is high, and the test accuracy is good. The shell is of a horizontal structure, the length of an outlet pipeline can be reduced, temperature loss can be reduced, the defect that the temperature field is uneven due to the fact that the temperature of the upper portion of the heat accumulator is too high and the temperature of the lower portion is too low in the heat accumulation process can be overcome, and the temperature control precision reaches + / -1 DEG C.

The multifunctional cooking utensil comprises a cooking machine body, the cooking machine body is provided with a first partition plate and a partition plate, and the partition plate divides the interior of the cooking machine body into a first cavity and a second cavity; the first electromagnetic heating assembly comprises a first wire coil and a first electromagnetic coil, and the first wire coil is installed in the first cavity; the second electromagnetic heating assembly comprises a driving part, a heat conduction fan blade, a second wire coil and a second electromagnetic coil; the second wire coil is installed above the heat conduction fan blades, and the second electromagnetic coil is arranged on the second wire coil and heats the heat conduction fan blades after being powered on. The first electromagnetic heating assembly and the second electromagnetic heating assembly are used for heating up and down, up-down cooking is achieved, the second electromagnetic heating assembly directly heats the flow guide fan blades, flow is guided in the rotating process, and therefore heat is evenly distributed, and the heating efficiency is higher.

The embodiment of the invention provides a battery thermal management system and an electric vehicle, and relates to the technical field of new energy vehicles. The battery thermal management system comprises a direct cooling plate and an air conditioning system, and one surface of the direct cooling plate is in contact with the battery module. The air conditioning system comprises a compressor and a radiator. The direct cooling plate is of a double-layer composite structure and comprises an outer-layer cooling plate and an inner-layer cooling plate. The inner-layer cold plate and the outer-layer cold plate are both of a hollow structure, and the outer-layer cold plate is arranged outside the inner-layer cold plate in a sleeving mode. The compressor and the radiator are connected with the two ends of the inner-layer cold plate through refrigerant pipelines respectively. The situation that the temperature of the battery module is too low / too high under the direct cooling / direct heating working condition can be effectively avoided.

The invention discloses a gas turbine air inlet temperature coordinated regulation and control system based on waste heat multi-stage utilization and an operation method, and relates to the technical field of combined cycle unit energy conservation, the system comprises a waste heat recovery module, an air inlet temperature regulation and control module, an energy conversion module and a control module; high-temperature exhaust smoke of the waste heat boiler is used as a heat source to heat a flue gas heat exchanger at the tail of the waste heat boiler of the combined cycle unit to generate hot water, and the hot water is used for directly heating inlet air of a gas turbine, driving an absorption heat pump to generate cold water to cool the inlet air of the gas turbine or driving an organic Rankine cycle module to generate power to be connected into auxiliary power, so that multipurpose utilization of waste heat of the unit is realized; in addition, the invention provides an operation method for synergistically improving the efficiency of the system and the combined cycle unit, the wide-load operation capacity and the partial-load energy utilization capacity of the unit can be effectively improved, meanwhile, the waste heat recovery capacity under the high-temperature condition is guaranteed, and the energy consumption efficiency of the unit is comprehensively improved.

The invention discloses a heat supply system and method for a water source heat pump coupled seasonal water pool synergistic municipal heat supply network. In the system, a solar heat collector is connected with a seasonal heat storage water pool through a pipeline via a heat exchanger; the seasonal heat storage water tank and the municipal heat supply network are connected with a heat consumer through a pipeline via a heat exchanger; and the water source heat pump is connected with the seasonal heat storage water tank and the heat consumers through pipelines. According to the system, a multi-source complementary framework with solar energy as a main source, heat pump synergism and municipal administration as a bottom is constructed. In the heat supply season, the system adopts a temperature difference lag control strategy, according to seasonal temperature changes of the heat storage pool, a direct heat supply mode, a water source heat pump coupling heat storage pool heat supply mode and a municipal heat supply network heat compensation mode are automatically switched, and stable transition from high-temperature direct heat supply to low-temperature water pump auxiliary heat supply and then to municipal heat supply network bottom heat supply is achieved. It is guaranteed that the building can obtain continuous and stable heat supply all the time in the heat supply season, and meanwhile, clean energy is utilized in a larger range, and heat supply quality is accurately controlled.

The invention relates to the field of chemical fibers, and provides a heat preservation and storage polyester fiber and a preparation method thereof. The heat preservation and storage polyester fiber is prepared from the following raw materials: a hollow nano material A with the porosity of 40-70%, an inorganic powder material B with a photothermal conversion function and moisture absorption modified polyester C with the moisture regain of 0.45-0.83%, the mass of A accounts for 0.1-3.5% of the mass of C, and the mass of B accounts for 0.1-4% of the mass of C. The preparation method of the heat preservation and storage polyester fiber comprises the following steps: uniformly mixing the polyester master batch containing the hollow nano material, the polyester master batch containing the inorganic powder material with the photo-thermal conversion function and the moisture absorption modified polyester chip, and then adding into a spinning machine for fiber forming. The air content in the fiber is increased by using the hollow nano material, and the heat insulation effect is improved; the direct temperature rise of the fiber is realized by using a photothermal conversion functional material; meanwhile, the hygroscopicity of the fiber is improved, certain heat is generated, and the heat preservation performance of the fiber material can be comprehensively improved through cooperation of the multi-stage heat preservation means.

Transcatheter devices and delivery systems with various shape-memory improvements for facilitating procedures, including advancement within the body. The devices may include metallic stent features that are trained to assume certain shapes upon direct heating or cooling. Device can be trained with multiple shape memory configurations. For some devices, anchor arms extend from the device and are curled or curved at body temperature but can be straightened out when cooled. Similarly, a support structure of the devices can be trained to radially self-crimp when subjected to a reduced temperature. Various convertible elements within a delivery system can also be trained so as to enable selective disengagement. Cooling may be accomplished through the instruction of a cold saline solution, or through the use of miniature Peltier coolers mounted on the convertible elements themselves, or other means.

The invention provides a direct cooling and direct heating heat management system and method for a passenger compartment of a hybrid electric vehicle. The system comprises a refrigerant loop, a motor water loop, a battery water loop and a warm air water loop. The refrigerant loop comprises a compressor, an in-vehicle condenser, an out-vehicle heat exchanger, an in-vehicle evaporator and a first heat exchanger which are communicated through pipelines and valves; the motor water loop is communicated with the battery water loop through a multi-way water valve; the refrigerant loop exchanges heat with the battery water loop through the first heat exchanger; and the battery water loop exchanges heat with the warm air water loop through the second heat exchanger. The system improves the utilization rate of waste heat of parts in the vehicle and can fully meet the heating requirement of a passenger compartment.

Apparatus and associated methods relate to evaluating impurity content in battery materials. In an illustrative example, a battery material impurity assessment system (BMIAS) may include a slurry mixing system and an impurity extraction system (IES). The slurry mixing system, for example, may include a motor configured to rotate a vertical axis of a slurry container. For example, the motor may pause a movement of the slurry container when the vertical axis is rotated at a predetermined angle. For example, the IES may include a translatable magnetic mass (TMM) enclosed within a sheath. For example, by operating a position of the TMM, the IES may release non-target impurity and retain target substances. In some implementations, the target substance may be ionized by an acid treatment solution rapidly without direct heating. In some implementations, the target substances may be dispersed on a conductive filter to be directly used in subsequent analysis. Various embodiments may advantageously rapid high precision and rapid impurity testing for battery manufacturing.

The utility model relates to the technical field of heating atomization equipment, and provides a heating piece, an atomization assembly and an aerosol generating device.The heating piece comprises a conductive part, a connecting part and at least two heating parts, and the conductive part is used for external power supply and guaranteeing the atomization function of the heating piece; the heating part is used for directly heating the liquid aerosol generating substrate and atomizing to generate aerosol; the conductive part comprises a first conductive part and at least two second conductive parts, the first conductive part and all the second conductive parts are distributed side by side at intervals in the first direction, one end of each heating part is electrically connected with the same first conductive part, and the other end of each heating part is electrically connected with one second conductive part; the plurality of heating parts, the first conductive part and the second conductive part can form a plurality of heating circuits, so that a user can conveniently adjust the number of the access circuits to adjust the heating area of the heating element, the selectivity and diversity of the heating element on atomization power adjustment are effectively increased, adjustment of various mist output amounts can be realized, and the taste of the user is enriched.

The invention provides a direct heating type reconfigurable intelligent metasurface based on a phase change material and a preparation method thereof, the metasurface is composed of a plurality of metasurface units arranged in an array mode, and each metasurface unit comprises a substrate, a first dielectric layer, a middle metal layer, a second dielectric layer and a phase change material layer which are sequentially arranged from bottom to top; the two sides of the phase change material layer are respectively provided with a metal patch of a metal radiation patch structure. A contact electrode is arranged in the substrate; the first dielectric layer and the second dielectric layer are insulating layers, a first vertical through hole and a second vertical through hole are further formed in the metasurface unit, the metal patch radiation structure and a contact electrode of the substrate form an electrical path flow through the first vertical through hole and the second vertical through hole, and the current flows through the phase change material layer to drive the phase change material to generate crystalline state / amorphous state conversion. And an equivalent conductive path, electromagnetic coupling strength or local impedance between the metal patch radiation structures is changed in different phase states.

The utility model relates to the technical field of energy storage cabinets, in particular to a direct cooling and direct heating type energy storage cabinet, the direct cooling and direct heating type energy storage cabinet comprises a battery pack, a battery auxiliary module and a heat exchange unit, the battery pack comprises a first liquid cooling plate, the battery auxiliary module comprises a second liquid cooling plate, and the heat exchange unit comprises a compressor, a reversing valve and a heat exchanger; during refrigeration, a refrigerant flows out of the compressor, flows through the reversing valve and the heat exchanger, then flows into the first liquid cooling plate and the second liquid cooling plate, flows out of the two liquid cooling plates after heat exchange is completed, then sequentially flows through the reversing valve and finally flows back into the compressor; during heating, after flowing out of the compressor, a refrigerant flows through the reversing valve, the first liquid cooling plate, the heat exchanger and the reversing valve and finally flows back into the compressor. The direct cooling system can synchronously dissipate heat of the battery pack, the main control box, the PCS module and the like, the temperature of the battery is controlled within a proper range, the operation efficiency of various electronic devices can be improved, and the over-temperature current limiting risk is reduced.

The invention discloses a process method for solid waste treatment and recycling based on multiple heat source scenes, and belongs to the technical field of solid waste treatment and recycling, and the process method comprises the following steps: obtaining high-temperature flue gas generated by multiple heat source scenes as a heating energy source, and purifying the high-temperature flue gas to remove harmful components in the high-temperature flue gas; the purified high-temperature flue gas is directly heated or indirectly heated through a heat exchange device, and solid waste is subjected to heat treatment; introducing the waste heat of the heated high-temperature flue gas into a steam generator to generate steam; by establishing a multi-heat-source collaborative input path, automatic switching and dynamic scheduling among heat sources can be realized according to heat treatment temperature requirements and treatment priorities of different solid waste types, the problems of low heat source utilization rate and poor treatment task matching degree in the existing process are solved, and the heat energy suitability and the process stability are improved.

The utility model discloses an efficient rose liquid beverage filtering device, and relates to the technical field of liquid beverage filtering. The device comprises a mounting bottom plate and a storage tank, the top end of the mounting bottom plate is fixedly connected with the bottom end of the storage tank, the top end of the storage tank is fixedly connected with a first motor, one end of an output shaft of the first motor is fixedly connected with a rotating rod, one end, away from the first motor, of the rotating rod is fixedly connected with a cross plate, and the outer surface of the cross plate is fixedly connected with an annular plate. The outer surface of the annular plate is rotationally connected with the interior of the storage tank, a rotary filtering assembly is arranged in the annular plate, and a rotary heating assembly is arranged between the outer surface of the mounting bottom plate and the interior of the storage tank; the problems that the filtering speed is low due to the fact that a filtering device adopts a filtering net to conduct standing separation, and the sterilization and disinfection effect is poor due to the fact that rose liquid drinks are directly heated through a heater after being filtered and are not evenly heated are solved.

The invention discloses a high-voltage direct-feed electric heating device, relates to the field of electric heating, solves the problem that an existing heat storage structure is poor in stability, and adopts the following scheme that the high-voltage direct-feed electric heating device comprises a heat exchange structure, a heating structure on the outer side of the heat exchange structure and a heating module serving as a main body of the heat exchange structure; an electric heater is arranged at the input end of the electric heating wire, and the heating module is a special magnesium oxide module; according to the high-voltage direct-input electric heating device, the heating module is made of a magnesium oxide material, the heat storage function is achieved, when valley electricity exists, heat is stored in the magnesium oxide module, meanwhile, the heat is taken out through circulation of a high-temperature-resistant circulating fan, heating is conducted through a heat exchange structure and a medium, and storage and discharging are achieved at the same time; when valley electricity does not exist, heating is stopped, heat is taken out through fan circulation and heated through a heat exchanger and a medium, heat release is achieved, if the valley electricity does not exist and heat needs to be increased when load changes, a direct heating mode can be started, and the requirement for continuity and stability is met.

The invention discloses an electro-thermal conversion direct heating device for tobacco products. The heating device comprises a heating device, a neck part and a positioning seat which are integrally formed, and one end of the tobacco product is inserted from an opening of the neck part, penetrates through a through hole formed by the heating device, extends into the positioning seat and abuts against a step in the positioning seat to form a ventilation bin; the other end of the tobacco product extends out of the opening to serve as a suction nozzle, and the tobacco product is clamped through the neck part and directly heated through the electric heating conversion element. The cut tobacco sections are directly heated in a surrounding mode through the through holes formed in the heating device, and the hollow cavity and the heat preservation cotton can form an air heat insulation bin, so that the electric heating conversion element is small in heat loss, high in temperature rising speed and high in heating efficiency, the cut tobacco sections are accurately heated, the heating area is large and uniform, and the heating effect can be rapidly achieved without too high heating temperature; and the structure is flexible and changeable, so that the device can adapt to different tobacco products, and the problem of mouth scalding is effectively solved.

The invention relates to an improvement method of a tungsten trioxide reduction process, which comprises the following steps: putting tungsten trioxide into a tubular furnace, and then introducing hydrogen to carry out reduction reaction to obtain tungsten powder; the reduction reaction comprises a first heating section, a first heat preservation section, a second heating section and a second heat preservation section which are sequentially carried out. The reduction reaction is carried out in multiple stages, the temperature gradient of the reduction reaction is controlled, the reduction efficiency is enhanced, and the situation that excessive condensate water is generated due to the fact that the temperature is directly increased to the highest temperature, and normal reaction is affected is avoided; according to the improvement method, a high-performance condenser does not need to be introduced, the equipment cost is reduced, and the performance of the obtained tungsten powder can also be guaranteed.

The invention discloses reflow soldering equipment and process for SMT patch production. The reflow soldering equipment comprises a furnace body base, a conveying unit, a hearth and a sealing top cover. A conveying unit is horizontally laid on the furnace body base, the hearth is installed on the upper end face of the furnace body base in a sealed mode, and the interior of the hearth is evenly divided into three independent working areas which are the preheating area, the backflow area and the cooling area in sequence from left to right. A visual inspection chamber is installed at the position, located at the feeding end of the hearth, of the upper portion of the furnace body base. A heating device is arranged in each working area of the hearth; in the heating device of the backflow area, each microplate is slidably provided with a vertically arranged hot spray pipe, and the hot spray pipes can perform hot air pulse direct blowing on large-size surface-mounted elements on a PCB, directly heat pin welding spots, realize micro-swing attachment of the elements in cooperation with surface tension of solder paste, and eliminate mechanical stress when the chip mounter is placed.

The invention relates to the field of lithium ion batteries, in particular to a method for quickly and macroscopically synthesizing high-performance LiFe < 1-x > MnxPO4. The preparation method comprises the following steps: synthesizing Li3PO4, Fe3 (PO4) 2.8 H2O and Mn3 (PO4) 2.3 H2O precursors with uniform sizes by using a micro-channel reactor, mixing and drying the precursors and a carbon source to obtain mixed powder, carrying out high-temperature solid-phase treatment on the mixed powder by using a Joule heating technology, and directly heating reactants by using current to promote the growth of LiFe1-xMnxPO4 crystals, thereby finally synthesizing the high-performance LiFe1-xMnxPO4. According to the method, the precursor is synthesized by using the micro-channel reactor, a uniform supersaturated environment can be provided for precursor particle nucleation through micro-mixing, and particles with uniform particle size distribution can be more favorably generated; meanwhile, Joule heating is adopted, so that the reaction efficiency is improved, and the electrochemical performance of LiFe < 1-x > MnxPO4 is also improved.

An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.

The invention discloses a double-chamber MEMS (Micro Electro Mechanical System) atomic gas chamber integrating heating and temperature measuring functions and a manufacturing method. The double-chamber MEMS atomic gas chamber adopts a glass-silicon-glass bonding three-layer structure, a heating coil and a temperature measuring coil are prepared on the back surface of a top glass cover plate, and a coil electrode is led out from the front surface of the top glass cover plate through a glass through hole technology; an optical cavity and a reaction cavity are arranged on the middle silicon wafer in parallel and are communicated through a micro-channel; the heating coil is made of a transparent conductive material, is located over the optical cavity and can directly heat alkali metal atoms in the cavity, the temperature measuring coil is arranged around the heating coil, and real-time closed-loop control over the temperature of the air chamber can be achieved through a circuit. Compared with an existing integration mode, heat dissipation is reduced, the heating efficiency of the air chamber is improved, and then the sensitivity and stability of quantum precision measurement instruments such as an atomic magnetometer and an atomic clock are improved.

The invention relates to an electric heating energy storage system capable of quickly responding to electric power change, which uses an electric energy indirect or direct heating mode to heat a heat storage metal body, and the heat storage metal body transfers heat to a fluid or gas medium, thereby avoiding overhigh local temperature of the medium or overlow outlet temperature caused by using an electric heater to directly heat the fluid medium, and improving the reliability of the electric heating energy storage system. And the electric power change can be quickly responded. An electric heater is used for heating a heat storage metal body or current is directly applied to the two ends of a heating body made of metal to generate Joule heat, then heat in the heat storage metal body is transferred out through a fluid medium heat exchange device, and finally the heat is stored in a fluid medium and the metal heat storage body. According to the invention, the solid is heated and then exchanges heat with the heat exchange medium, so that the electric power can be quickly adjusted.

The utility model belongs to the technical field of reverse bias tests, and particularly relates to an advanced high-performance high-temperature high-humidity intelligent reverse bias test device which comprises a test box, a heating module and a humidifying module are installed on the test box, the heating module comprises a heat supply pipeline and two extension pipes integrally formed on the two sides of the heat supply pipeline, and the humidifying module is installed on the test box. The extension pipe is rotationally connected to the test box, the heat supply pipeline communicates with a first nozzle and a second nozzle which are distributed at equal intervals in the length direction of the heat supply pipeline, and the first nozzle and the second nozzle are each provided with a first valve; the aging test board is fixed at the bottom of the inner side of the test box. According to the utility model, the rotatable heat supply pipeline is arranged in the heating module, the heat supply pipeline is communicated with the nozzle, and the nozzle can realize direct heating of the semiconductor device, so that the internal environment of the test box does not need to be preheated, the speed is high, the heat supply temperature can be adjusted, and the problem of low test speed of the device at the present stage is solved.

The invention relates to the technical field of pressurized water reactor nuclear power station pipeline hot spot ultrasonic decontamination, in particular to a pressurized water reactor nuclear power station pipeline hot spot ultrasonic decontamination auxiliary device and a using method. According to the scheme, through combination of the electric heater and the ultrasonic vibrator, hot spots of the pipeline are directly heated in the sealed cavity, ultrasonic vibration is generated, and the decontamination effect can be rapidly improved. Large-range energy waste is avoided through local heating, the device is suitable for pipelines of different specifications through the compact modular design, rapid disassembly and assembly are convenient, and the operation difficulty and the time cost are reduced. In addition, the multi-layer sealing design of the sealing ring and the sealing chamber is combined with the application of sealing silica gel, so that the sealing performance under high temperature and high pressure is ensured, and leakage of solution and heat is prevented. The ultrasonic vibrator enhances the chemical decontamination process, especially removal of stubborn corrosives, ensures thorough decontamination, and reduces residual radioactive substances. Due to the advantages, the device has wide application value.

An efficient low-energy-consumption solid hydrogen storage and desorption system comprises hydrogen storage modules, hydrogen desorption modules and a control module, and the number of the hydrogen storage modules and the number of the hydrogen desorption modules can be adjusted according to the requirements of the external hydrogen storage amount and the external hydrogen desorption amount. The heat exchange module is used for providing heat and cold for the hydrogen storage module and the hydrogen release module, and the heat exchange modes of the heat exchange module are diversified and adjustable; the pressurization module is used for adjusting the pressure of the hydrogen storage module in the hydrogen storage process. According to the invention, hydrogen produced by electrolyzing water and hydrogen provided by other low-pressure hydrogen sources can be pressurized and then subjected to solid hydrogen storage, and an external hydrogen source with pressure can be directly subjected to solid hydrogen storage, so that the hydrogen storage modes are diversified. The system further provides a heat exchange module with a temperature adjusting function, a heater direct heating mode can be adopted, a heat exchange mode can also be adopted to utilize low-grade energy, comprehensive energy consumption is reduced, and energy conservation and emission reduction are achieved. The invention relates to an efficient low-energy-consumption solid hydrogen storage and desorption system suitable for hydrogen filling of a pressure-free or low-pressure hydrogen source.

The invention relates to a self-heating silicon carbide ceramic separation membrane and a preparation method thereof. A separation membrane layer is directly heated and sintered by utilizing the self-heating characteristic of a silicon carbide support body. The preparation method comprises the following steps: pretreating a silicon carbide support body, putting the silicon carbide support body into ethanol and an acidic or alkaline solution for ultrasonic cleaning, cleaning with deionized water until the silicon carbide support body is neutral, and drying; the preparation method comprises the following steps: preparing separation layer slurry, uniformly dispersing a binder in a solvent, adding ceramic powder and a dispersant according to a certain ratio, and carrying out ball-milling mixing, defoaming and vacuum defoaming to obtain uniform bubble-free slurry. Coating a separation layer, coating the slurry on the surface of a silicon carbide support body, and drying in a drying oven to obtain a separation layer green body; roasting the separation layer, putting the green body into a self-heating furnace clamp, connecting stable current sources to two ends, accurately controlling the temperature through a voltage meter, an ampere meter and an automatic temperature control instrument by utilizing the high resistance characteristic of silicon carbide, realizing self-heating of the support body, rapidly sintering the separation layer, and naturally cooling to obtain the product. An external heat source is not needed, the process is simplified, the period is shortened, and a new scheme and a technical path are provided for preparation of the silicon carbide ceramic separation membrane.

The utility model relates to the technical field of waste lithium ion battery recycling, in particular to waste pole piece high-temperature air-conveying heat treatment automatic conveying equipment which comprises a heat treatment channel, and the heat treatment channel comprises a heating channel and a conveying mechanism used for conveying waste pole pieces in the heating channel; universal wheels are arranged at the bottom of the heat treatment channel; a gas conveying flow channel is arranged in the heating channel, and a heating rod is arranged in the gas conveying flow channel; the air conveying flow channel can convey hot air to the conveying mechanism and heat the waste pole pieces through the hot air. Air in the air conveying flow channel is heated through the heating rod, and then the waste pole pieces on the conveying mechanism are heated through the air in the air conveying flow channel, so that indirect heating of the air is facilitated to replace original direct heating of the heating rod, and interference of factors such as infrared rays generated in the direct heating process of the heating rod is avoided; and meanwhile, hot air can heat the waste pole pieces from different positions of the waste pole pieces at the same time, the heating temperature of the waste pole pieces is more uniform, and the heat treatment effect is better.

The invention discloses a movable transformer with an anti-explosion protection mechanism, and belongs to the technical field of transformers, and the movable transformer with the anti-explosion protection mechanism comprises a transformer, a heat dissipation net groove, two fixing frames, two sponge pieces, a heat dissipation mechanism, a water storage mechanism, two groups of liquid spraying mechanisms and a linkage mechanism. By arranging the heat dissipation net groove, the two sponge pieces, the heat dissipation mechanism, the water storage mechanism, the two liquid spraying mechanisms and the linkage mechanism, through operation of the heat dissipation mechanism, the flowing speed of air in the transformer and air outside the transformer can be increased, and the temperature in the transformer is effectively reduced; and water in the water storage mechanism is sprayed to the surface of the sponge sheet through the liquid spraying mechanism, the heat dissipation effect is further enhanced by utilizing the principle that heat is taken away through water evaporation, stable operation of the transformer is guaranteed, and the service life of the transformer is prolonged. And the sponge sheet is in contact with the surface of the transformer, so that a certain heat insulation effect is achieved, and the direct heating area of the transformer is reduced.

The invention discloses a linear evaporation source and a co-evaporation evaporation source, belongs to the technical field of vacuum coating equipment, and aims to solve the problems of uneven heating, serious heat radiation overflow, easiness in nozzle condensation and inconvenience in maintenance in the prior art. The linear evaporation source comprises a body provided with a cavity and a nozzle, and is characterized in that a slit which does not penetrate to the cavity is formed in the body, a heating source is arranged in the slit, and the heating source heats the body wall where the cavity is located. According to the design, efficient and uniform direct heating is achieved, heat is conducted through the body wall to effectively heat the nozzle to prevent condensation, and the modular structure is convenient to maintain. The slits are arranged at the bottom and the top or on the two side walls so as to optimize the thermal field and inhibit thermal radiation. In addition, a trunk-branch type heating network and an intra-cavity rectifying plate can be arranged or a plurality of units are integrated to form a co-evaporation source. The device is particularly suitable for evaporation of high-melting-point materials such as metal, and has the advantages of being high in heating efficiency, accurate in temperature control, good in film thickness uniformity and convenient and fast to maintain.