275 results about "Direct heating" patented technology

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.

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 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 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 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.

The application belongs to the field of turbine blade thermal barrier coating of an aero-engine. Specifically, it is a structure design, a preparation method and a prepared coating of a double-layer radiation-resistant thermal barrier coating with a high-reflection layer and a high-absorption layer. The coating comprises a high-absorption layer and a high-reflection layer. The high-absorption layer can absorb part of the energy of photon radiation and re-emit it into the environment, while relying on a cooling gas film to quickly remove heat. Part of the energy of the photon radiation is reflected by the high-reflection layer again to the high-absorption layer after passing through the high-absorption layer, and the process of absorption-emission-cooling gas film heat dissipation is repeated. Within a set temperature range, the absorption rate of the high-absorption layer is determined based on the temperature difference requirement between the inner and outer surfaces of the thermal barrier coating, and the high-absorption layer material is determined based on the absorption rate. The application greatly reduces the radiation heat flow penetrating the coating, avoids the direct heating of the high-temperature alloy by infrared radiation, and significantly improves the heat insulation capacity of the thermal barrier coating and the service life of the turbine blade.

The invention provides a photo-thermal direct-heating supercritical carbon dioxide power generation system, belongs to the technical field of supercritical carbon dioxide power generation, and can at least partially solve the problems that the highest temperature of existing fused salt heat storage is about 560 DEG C, the temperature of a heat storage system is low, and the power generation efficiency of supercritical carbon dioxide circulation is limited. The system comprises a photo-thermal conversion module, a pipeline module, a fused salt energy storage module, a water energy storage module and a power generation module, and is provided with a photo-thermal collector, so that the power generation module is directly heated by photo-thermal, the temperature of a working medium in the daytime heat collection period can be directly increased, the efficiency of a supercritical carbon dioxide circulating system is improved, and meanwhile, the heat storage function is taken into account; a more reasonable power generation mode is achieved, and the overall economical efficiency of the system can be improved.

1. Name of the designed product: Stove head (Dawn of the Age). 2. Use of the designed product: kitchen appliance for direct heating with combustible gas or wood as fuel. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.

The utility model provides a small coffee machine, which relates to the technical field of coffee machines, and is characterized in that the small coffee machine comprises an upper machine body and a lower machine body which are rotatably connected, the bottom of the upper machine body is provided with a first covering part, and the top of the lower machine body is provided with a second covering part; the positions of the first covering part and the second covering part correspond to each other and are used for covering each other; the second covering part is provided with a first mounting structure for mounting an external water tank, and a first through hole is formed in the first mounting structure and is communicated with the interior and the exterior of the lower machine body; the instant heating assembly is arranged in the lower machine body; the water pump is arranged in the lower machine body and connected with the instant heating assembly; and the extraction assembly is used for directly or indirectly receiving the water which is pumped by the water pump and comes from the external water tank for extracting coffee. The small coffee machine has the advantages of being small in occupied space and good in heating performance.

Method for temperature control of a passenger compartment (5) of a motor vehicle (1) divided into several zones (15), wherein the motor vehicle (1) comprises at least one ventilation device (6) by means of which at least one of the zones (15) can be selectively temperature controlled by blowing a tempered airflow (3) into the passenger compartment (5), and at least one direct heating device (21) by means of which heat can be directly transferred to an occupant (19) located in one of the zones (15), wherein a desired zone-specific heat distribution (39) is specified, wherein an operating plan (51) is determined on the basis of the heat distribution (39), which specifies at least one operating parameter (52) relating to the at least one ventilation device (6) and at least one operating parameter (52) relating to the at least one direct heating device (21) for implementing the heat distribution (39).wherein the operating plan (51) is determined and / or the heat distribution (39) is specified and / or modified in such a way that the total energy demand of the at least one ventilation device (6) and the at least one direct heating device (21) required for the implementation of the heat distribution (39) is minimized.

The utility model relates to a connecting pipe fitting for a copper fluorine direct heating system, which comprises a main body pipeline and a branch pipeline connected with the main body pipeline, the main body pipeline and the branch pipeline are integrally formed, the surface of the main body pipeline and the surface of the branch pipeline are respectively provided with an anti-corrosion coating, and the end parts of the main body pipeline and the branch pipeline are respectively provided with a connecting thread. Reinforcing connecting lug blocks are arranged on the main body pipeline and the branch pipelines. According to the connecting pipe fitting for the copper-fluorine direct heating system, the main body pipeline and the branch pipelines are integrally formed, so that the welding defect is eliminated, and the safety and the reliability are enhanced.

This invention relates to the field of glass furnace technology, specifically to an energy-saving glass furnace with a dual heating system. The furnace body contains adjustable electric heating components. During movement, these components are synchronized by a control assembly that allows them to move synchronously and distribute heat evenly. As the heating rods heat, the transmission gear and the following gear move synchronously with the staggered toothed plates. Simultaneously, the two built-in mounting rods rotate synchronously inside the furnace body, ensuring uniform heating. Furthermore, as the built-in mounting rods rotate, the linkage rod moves along the staggered guide frame, causing the rods to tilt along the guide frame's trajectory. This allows the heating rods to face the shelf during rotation, facilitating direct heating of the glass objects.

The utility model discloses a flue gas carbon capture device, which belongs to the technical field of energy, and adopts the technical scheme that the flue gas carbon capture device comprises a gas inlet pipe, the right side of the gas inlet pipe is fixedly connected with a capture pipe, the right side of the capture pipe is fixedly connected with a gas outlet pipe, and the bottom of the capture pipe is fixedly connected with a recovery pipe; the inner sides of the catching pipe and the recycling pipe are movably connected with a catching and recycling mechanism, the inner side of the gas inlet pipe is movably connected with a pretreatment mechanism, traditional landing equipment can be abandoned, the flue gas treatment process is shortened, a pipeline is divided into the gas inlet pipe, the catching pipe and the gas outlet pipe, and the recycling pipe, a matched through groove, a supporting rotating rod and other structures are arranged at the bottom of the catching pipe; integration of smoke carbon capture and recovery is achieved, a honeycomb carbon adsorption plate directly completes smoke carbon adsorption in a capture pipe, after adsorption is saturated, a servo motor drives a supporting rotating rod to rotate, the supporting rotating rod is transferred into a recovery pipe, smoke carbon is rapidly released and recovered through a direct heating lamp and a guide fan, and meanwhile the activity of the honeycomb carbon is recovered.

The application relates to the technical field of automobiles, in particular to a power battery direct cooling and direct heating system, a control method and a commercial vehicle. The power battery direct cooling and direct heating system comprises an evaporator, which is arranged on one side of a power battery and used for heat exchange with the power battery; an air conditioner compressor, which is communicated with the evaporator; a condenser, which is communicated with the air conditioner compressor and the evaporator in series, and cooling medium in the condenser can absorb the temperature of an external environment; a heat exchanger, which is communicated with the air conditioner compressor and the evaporator in series, and the evaporator can be selectively communicated with the condenser and / or the heat exchanger; and a heat dissipation assembly, in which cooling medium is used for cooling a motor and an air compressor, and the heat dissipation assembly is communicated with the heat exchanger in series. The application can reduce the energy consumption of the whole vehicle on the basis of meeting the thermal demand of the power battery.

The invention provides a micro powder dynamic extraction system with direct heating, stirring and dust suppression functions. The technical problems of low indirect heating efficiency, poor dust suppression effect and the like in the prior art are solved. Comprising an extraction tank body; the automatic stirring device comprises a stirring motor mounted in the center of the top of the extraction tank, and a stirring rod and a stirring blade which extend into the extraction tank. The material pipeline enters the extraction tank body through the feeding hole; the liquid pipeline is connected with the extraction tank body; the direct heating assembly comprises a hot gas distribution pipe arranged in the extraction tank body, and the hot gas distribution pipe is communicated with an external heat source and is used for introducing heating gas into liquid in the tank so as to directly heat and stir the liquid; the primary dust suppression assembly comprises a spraying device arranged at the top in the extraction tank body, the spraying direction faces the lower part in the tank body, and the primary dust suppression assembly is used for forming a water curtain to suppress the micro powder from rising; and the secondary dust removal assembly comprises a wet dust collector and is used for purifying dust-containing gas discharged from the extraction tank body.

This invention provides an external heat exchanger for a fermenter, comprising a tank body and a heating chamber. An electric heating tube is installed inside the heating chamber, and a heat exchanger is mounted on the top of the support legs. A pressure pump is mounted on the top of the heat exchanger. A liquid extraction pipe connected to the pressure pump is located on the side of the tank body, and a rotating rod is movably mounted at the bottom of the extraction pipe via a bearing. This invention provides a heating chamber on the side of the tank body, allowing direct heating of the liquid inside the heating chamber via the electric heating tube, thereby transferring heat from the side of the tank body to the inside, heating the raw materials inside. Simultaneously, a heat exchanger is installed at the bottom of the tank body, with one end connected directly to the middle of the tank body via the extraction pipe. Material can be directly extracted from the middle of the tank body, heated by heat exchange in the heat exchanger, and then discharged into the tank body. In this way, the heat exchanger, in conjunction with the heating chamber on the side of the tank body, ensures more uniform heating inside the tank, improving heating efficiency.

The novel sludge carbonization device comprises a heating furnace, a heated furnace, an outer gear ring, a motor, a gear and an outer gear ring, the heated furnace comprises a heated furnace body, a mounting partition plate and a heated differential furnace tube, a heated cavity is formed in the heated differential furnace tube, and the outer gear ring is sleeved on the heated furnace body. A connecting shaft and a differential gear are arranged at one end of each heated differential furnace tube, and an inner gear ring meshed with all the differential gears is arranged on the heating furnace; according to the utility model, the heated furnace is formed by uniformly distributing the plurality of heated differential furnace tubes, and the heated gaps are arranged between the adjacent heated differential furnace tubes, so that the tube walls of all the heated differential furnace tubes can be heated in high-temperature smoke, the heated furnace rotates and heats in the heating furnace, and meanwhile, the heated differential furnace tubes realize differential rotation relative to the rotation speed of the heating furnace; when the heated differential furnace tube passes through the lowest position for direct heating every time, the heating positions are different, so that the whole heated differential furnace tube is uniformly heated, and the carbonization efficiency is improved.

The utility model relates to methanol removal equipment for industrial mixed oil production, which comprises a fixed frame, an inlet and outlet pipe, a servo motor and an outlet pipe, the fixed frame is annular, the upper surface and the lower surface of the fixed frame are both provided with limiting grooves, a material box is arranged in the fixed frame, the material box is obliquely arranged, and the outlet pipe is arranged in the material box. The inlet and outlet pipe is arranged at the bottom of the material box, and the outlet pipe is arranged at the top of the material box. According to the device disclosed by the utility model, the methanol component in the industrial mixed oil is efficiently removed by combining an innovative swing stirring mechanism with a direct heating technology. Compared with a traditional method, the method has the advantages that the raw materials can be more sufficiently mixed, the uniformity and the speed of methanol evaporation are improved, and the methanol removal efficiency is remarkably improved. Meanwhile, the heating module embedded in the stirring blade can directly heat the raw materials, the evaporation process of the methanol is accelerated, complete removal of the methanol is further ensured, and the quality of the industrial mixed oil is improved.

A glass transfer system for heating molten glass is provided including an electrical power source, a hollow glass transfer tube allowing molten glass to flow therein, and a flange assembly. The flange assembly comprises an inner structure defining a central opening, and the inner structure receives the glass transfer tube within the central opening so the inner structure is in contact with the glass transfer tube. The flange assembly includes an outer structure primarily comprised of material other than platinum, the outer structure is directly attached to the inner structure and is connectable to the electrical power source so that electrical current is conducted through to the glass transfer tube to heat it, thereby heating the molten glass flowing therein. A maximum electrical current density within the inner structure is no more than about 1.9 times the minimum electrical current density within the inner structure when electrical current is conducted.

This utility model belongs to the technical field, specifically relating to a heating structure for a pyrolysis furnace. It includes: a heating chamber disposed below the pyrolysis furnace, with at least one vent hole at the top of the heating chamber corresponding to the bottom of the pyrolysis furnace; a heating hood covering the heating chamber and the outside of the pyrolysis furnace, with an exhaust port at the top of the heating hood, and a heating channel forming inside the heating hood connecting the exhaust port and the vent hole; and a burner nozzle connected to the interior of the heating chamber. This utility model addresses the problem of uneven heating and heat loss in traditional direct heating methods. By blowing hot air through the vent hole at the top of the heating chamber, direct contact between the heat source and the pyrolysis furnace is avoided, changing the traditional direct heating to indirect heating. Simultaneously, the enclosed interior of the heating chamber and the top vent hole constrain the flow of hot air, ensuring that heating primarily occurs at the bottom of the material accumulation area, preventing airflow diffusion and reducing heat loss.

This invention relates to the field of heat pump application technology, specifically to a low-cost heating operation control method and system for an agricultural greenhouse heat pump system. The control method primarily uses temperature difference control for the heat dissipation medium, adjusted in real-time according to heat demand, supplemented by flow rate control. The low-cost heating operation of the heat pump system is connected to a large water tank based on electricity price conditions, producing either a low-temperature heating medium for direct heating or a high-temperature heating medium for heat storage. The output heating medium, also depending on electricity price conditions and heating demand, can be a mixture of high-temperature heating medium stored in the water tank and low-temperature heating medium produced in real-time by the heat pump, supplied via a mixing mechanism; or it can be a direct supply of either the high-temperature heating medium stored in the water tank or the low-temperature heating medium produced in real-time by the heat pump. This invention maximizes the system's economic benefits by balancing the low energy efficiency of the heat pump during high-temperature heat storage with the low price of electricity during off-peak hours.

The article relating to this design is a supply pipe for a counter-flow direct-heating heat exchanger. A counter-flow direct-heating heat exchanger is a heat exchanger that performs heat exchange by direct contact between the fluid to be heated and the heating medium, with the fluid to be heated and the heating medium flowing in the opposite direction. In the reference diagram of the operating state, solid arrows indicate the flow of the fluid to be heated, and dashed arrows indicate the flow of the heating medium. Supply pipe 1 is used to supply the fluid to be heated into the heat exchanger.

This application provides a direct heating system and a ventilator. The direct heating system is used to heat water in the ventilator's water tank. The system includes: a sheet-like heating aluminum substrate located below an opening at the bottom of the ventilator's water tank, with its front side directly contacting the water to be heated, and an electric heating element and a third connector disposed on its back side; the heating aluminum substrate is encased in a silicone sleeve; a first hole is formed in the direction where the silicone sleeve encases the front side of the heating aluminum substrate; except for the edges which are encased in the silicone sleeve, the rest of the front side of the heating aluminum substrate is exposed through the first hole; a second hole is formed in the direction where the silicone sleeve encases the back side of the heating aluminum substrate; the third connector of the heating aluminum substrate is exposed through the second hole; a sealing rib is provided at the edge of the first hole in the silicone sleeve; a clamping rib is provided at the bottom of the ventilator's water tank at the position corresponding to the sealing rib, clamping the sealing rib to prevent water leakage from the ventilator's water tank. The advantages of this application are: high thermal efficiency and safe use.

The invention discloses a direct heating type ultra-high-temperature sterilization machine suitable for high-viscosity materials, which comprises a material conveying unit, a preheating unit is arranged at the discharge end of the material conveying unit, a direct heating sterilization unit is arranged at the discharge end of the preheating unit, and an ultra-high-temperature sterilization unit is arranged at the discharge end of the direct heating sterilization unit. A flash tank is arranged on the side, away from the preheating unit, of the direct heating sterilization unit, an aging tank is arranged at the discharging end of the flash tank, a cooling unit is arranged at the discharging end of the aging tank, and a steam tank is arranged on the side, away from the aging tank, of the cooling unit; the problem of low heat transfer efficiency is solved through direct contact of high-temperature steam and materials, thorough sterilization is ensured, efficient and uniform sterilization is realized, the texture, flavor and storage stability of the high-viscosity materials can be remarkably improved through mutual cooperation of the flash tank and the aging tank, and the quality of the materials is improved; and the water heating system is arranged to provide media for the preheating unit and the cooling unit, so that reasonable utilization of energy is realized, and the overall energy-saving property is improved.

The utility model discloses an efficient preheating vertical steel scrap continuous charging electric arc furnace, which comprises an electric arc furnace body and a steel scrap preheating bin arranged above the electric arc furnace body, the steel scrap preheating bin comprises a bin body, the top of the bin body is closed, the bottom of the bin body is provided with an opening communicated with the electric arc furnace body, and one side of the upper part of the bin body is provided with a steel scrap inlet; a vertically-arranged spiral conveying heat conduction plate is arranged in the bin body, a hollow rotating shaft is arranged in the center of the spiral conveying heat conduction plate, a hot air channel is arranged in the hollow part of the rotating shaft, a hot air inlet is formed in the bottom end of the rotating shaft, and the top end of the rotating shaft is installed on the top of the scrap steel preheating bin through a bearing. The side wall of the rotating shaft is provided with a plurality of vent holes used for communicating the hot air channel and the spiral conveying heat-conducting plate. The waste steel preheating bin is arranged, heat is fully reserved, the spiral conveying heat conduction plate is arranged, waste steel is directly heated, the preheating effect is good, and the preheating cost is low.

Smooth switching between charging mode and direct heating mode. [Solution] The smoking system comprises a secondary device equipped with a load for atomizing an aerosol source or heating a flavor source and a power supply capable of supplying power to the load; a primary device capable of supplying power to the load and the power supply when connected to the secondary device; and a control unit capable of executing a first mode in which power is supplied from the primary device to the load and a second mode in which power is supplied from the primary device to the power supply, wherein the control unit executes a transition mode having a transition time between the first mode and the second mode for changing a predetermined variable related to power supply in at least one of the first transition, which is a transition from the first mode to the second mode, and the second transition, which is a transition from the second mode to the first mode.

The utility model relates to the technical field of material science, and discloses a SiC CVD coating gasification reaction device which comprises a shell and a sealing cover, the left side and the right side of the front end of the sealing cover are fixedly connected with first connecting pipes, the front end of the first connecting pipe on the left side is fixedly connected with an MTS feeding pipe, and the front end of the first connecting pipe on the right side is fixedly connected with an argon inlet pipe. A second connecting pipe is fixedly connected to the middle of the front end of the sealing cover, an MTS air outlet pipe is fixedly connected to the front end of the second connecting pipe, a flow control valve is fixedly connected to the front end of the MTS air outlet pipe, a pressure sensor is fixedly connected to the top of the front end of the sealing cover, and a temperature sensor is fixedly connected to the top of the front end of the sealing cover. According to the utility model, MTS gas is filled through the MTS feeding pipe, the heating belt is used for direct heating, the temperature and pressure sensors are used for monitoring the environment in the inner container in real time, and after the reaction is finished, argon is filled into the argon inlet pipe to discharge residual substances, so that the impurity accumulation and the cleaning downtime are reduced.

The utility model relates to the technical field of metal casting smelting equipment, and discloses efficient metal casting smelting equipment based on cooperation of double heating sources, which comprises a smelting furnace main body, an induction heating coil is arranged in the smelting furnace main body, and a waste gas eduction tube and a feed port are arranged at the top of the smelting furnace main body; the waste gas eduction tube is communicated with the interior of the smelting furnace main body; the heat conduction oil circulating system is arranged on the outer side of the smelting furnace main body in a surrounding manner; the waste heat recovery device is connected with the waste gas eduction tube; the driving motor is arranged at the top of the smelting furnace body, and a stirring shaft is arranged at the output end of the driving motor and extends into the smelting furnace body. Double heating sources of the induction heating coil and the heat conduction oil circulation system work cooperatively, the metal smelting efficiency is improved, the smelting time is shortened, waste gas waste heat is used for preheating raw materials through the waste heat recovery device, the energy utilization efficiency is improved, energy consumption is reduced, waste gas direct heating type preheating is adopted, and the energy consumption is reduced. The heat efficiency is obviously improved.

This application discloses a direct cooling system for a refrigerant heater and power conversion device, belonging to the field of air conditioning technology. The refrigerant heater includes a first plate, a second plate, and a heating element. The first and second plates are fitted together. The first plate has a receiving cavity, and the heating element is disposed within the receiving cavity. The first plate also has a through hole and a second through hole. The second plate has a refrigerant cavity, which communicates with the first and second through holes. By installing the heating element within the receiving cavity of the first plate, the first and second plates are fitted together to form a thermally conductive contact, transferring the heat generated by the heating element to the second plate for indirect heating of the refrigerant within the refrigerant cavity. When the refrigerant flows through the first and second through holes, it can be directly heated by the first plate, reducing contact between the refrigerant and the low-temperature external environment during its flow into or out of the refrigerant cavity, resulting in better heating performance. Simultaneously, its overall structure is more compact and occupies less space.

The application relates to the air conditioning technical field, and discloses a method for defrosting, which comprises the following steps: obtaining the frosting condition of a heat exchanger. In the case that the heat exchanger is frosting, the frost layer thickness on the heat exchanger is obtained. The heating temperature is determined according to the frost layer thickness. The heating device is controlled to heat the heat exchanger according to the heating temperature. In the case that the heat exchanger is frosting, the heating device arranged on the heat exchanger is controlled to heat the heat exchanger, so that the frost layer on the outer surface of the heat exchanger is directly heated. Since the refrigerant does not flow reversely during the defrosting process, the balance does not need to be re-established, so that the indoor temperature can be maintained stable. Meanwhile, the heating temperature of the heating device can be changed along with the change of the frost layer thickness by determining the heating temperature according to the frost layer thickness and controlling the heating device to heat the heat exchanger according to the heating temperature, so that the defrosting efficiency of the heat exchanger can be improved. The application further discloses a device for defrosting, an electronic equipment and a storage medium.