135 results about "Radiation heating" patented technology

This utility model relates to the field of cast iron pot mold technology and discloses a multi-temperature zone circulating preheating heating device for cast iron pot molds. It includes a base, with support columns symmetrically fixedly connected to the top of the base in all directions. A fixed seat is fixedly connected to the top of each of the four support columns. A pressing and heating mechanism is provided on the top of the base. Multi-temperature zone differentiated heating is achieved through a combination of an electromagnetic induction coil and an infrared radiation heating tube. The electromagnetic induction coil is arranged between the bottom of the lower mold base and the inner mold, using the principle of electromagnetic induction to rapidly heat the bottom of the mold, suitable for efficient heating of thick-walled parts of the cast iron pot mold. The infrared radiation heating tube is located between the lower mold base and the inner mold, above the heat insulation ring, and can uniformly radiate heat to the sidewalls of the mold. The combined effect of these two methods significantly shortens the preheating time compared to traditional single heating methods, while simultaneously meeting the temperature requirements of different parts of the mold, effectively improving production efficiency.

This utility model relates to the technical field of heating equipment for livestock farming, and discloses an infrared radiation plate for pig nursery pigs, including a shell and a first heating element. The first heating element is located inside the shell and is attached to the inner front wall of the shell. Compared with heating tubes, the first heating element provided by this utility model can provide a uniform heating effect for the infrared emitting plate, and the radiant heating area is large. Therefore, it is not necessary to use multiple heating tubes to heat the living environment of the nursery pigs, which can avoid the problem of increased pig farming costs due to increased purchase costs of heating plates. Moreover, the infrared emitting plate provided by this utility model has a simple structure, and users can directly plug it in after delivery, eliminating complicated installation procedures. In the humid and regularly disinfected environment of the pig farm, the service life of the infrared emitting plate is longer than that of heating tubes, which can greatly reduce the equipment investment of pig farming enterprises.

The invention relates to a preparation method of a graphene / nano bacterial cellulose composite material, which comprises the following steps: (1) dispersing nano cellulose and graphene in an aqueous medium to form a uniform suspension; (2) constructing a three-dimensional porous skeleton through freeze drying; the preparation process is simple and controllable, only through the carbonization temperature and time regulation function, complex chemical modification or a multi-layer composite structure is not needed. The raw materials are green and low in cost, the cellulose source is wide (such as wood pulp and straw), and no precious metal or high-pollution reagent exists in the carbonization process. The device is suitable for roll-to-roll continuous carbonization (such as infrared radiation heating) and is compatible with an existing carbon material production line.

The utility model discloses a carbon black combustion tail gas boiler with an in-boiler heat storage stable combustion device, and belongs to the technical field of tail gas boiler devices. A carbon black tail gas burning boiler with an in-boiler heat storage stable burning device comprises a boiler body and further comprises a burner fixedly connected in the boiler body and used for burning carbon black tail gas fuel. The in-furnace heat storage stable combustion device is fixedly connected into the boiler, and the combustion flame is within the range of the in-furnace heat storage stable combustion device; the hearth heating surface is fixedly connected in the boiler; the utility model is provided with an in-furnace heat storage stable combustion device. The in-furnace heat storage stable combustion device mainly comprises a heat storage material, a refractory material, a heat preservation material and the like, the in-furnace heat storage stable combustion device has a heat storage function in a combustion flame range, the combustion efficiency can be enhanced, meanwhile, a sufficient radiation heating area is provided for the hearth membrane water cooling wall without laying the refractory material, and the heat absorption rate of the boiler hearth is guaranteed.

The utility model discloses an experiment table for researching thermal performance of various floor radiant heating systems, and relates to the technical field of floor radiant heating experiments. Comprising an artificial environment chamber used for simulating an outdoor environment, a box body and a refrigeration compressor unit are arranged in the artificial environment chamber, a control cabinet is arranged outside the artificial environment chamber, and an experiment assembly is arranged in the box body; the box body comprises a bottom plate assembly, and the bottom plate assembly is detachably connected with a side plate assembly. According to the utility model, through the bottom plate assembly and the side plate assembly, rapid building can be carried out in an artificial environment room, determination can be carried out through the bottom plate assembly and the side plate assembly according to parameters such as pipeline layout, water supply temperature, system capacity and the like in the floor radiation heating system, and the performance of the floor radiation heating system is verified; therefore, the stability and the reliability of the system in actual operation are ensured.

The utility model discloses full-electric-drive ultrasonic vibration-infrared heating energy field assisted multi-station precision glass mold pressing equipment, which comprises a control box, a feeding assembly, a pressure forming execution unit, a discharging assembly and an electric control cabinet, and adopts an infrared radiation heating mode to carry out rapid non-isothermal heating on a glass prefabricated part. And an ultrasonic vibration element and a pressure sensing element are arranged in the lower mold base of the mold pressing station, and when the prefabricated part is heated to a softening point, the ultrasonic vibration element is started to cooperatively work with an infrared heating technology, so that the filling speed and quality of glass mold pressing forming are improved. The full-electric driving technology is used, the control precision and the die pressing forming efficiency are high, in addition, compared with a traditional glass die pressing machining mode, the infrared heating element and ultrasonic vibration cooperative work machining technology achieves precise and efficient machining of a glass prefabricated part, the problem of interference of heating and vibration in traditional die pressing is solved, and the production efficiency is improved. And the forming precision and efficiency of the product are improved.

The cooking utensil comprises a pot body and a cover body, an inner pot with a cooking cavity is arranged in the pot body, a heating piece is arranged at the bottom of the inner pot, an infrared heating piece used for radiating infrared rays to the cooking cavity is arranged on the side portion of the pot body, the infrared heating piece comprises a tubular body and a wiring terminal arranged at the end of the body, and the wiring terminal is connected with the inner pot. At least one infrared heating piece is arranged, the bodies are arranged around the outer side wall of the inner pot, and the ends of every two adjacent bodies are arranged in an overlapped mode so that an annular heating area can be formed on the outer side of the inner pot. The ends of the two adjacent bodies are arranged in an overlapped mode, no obvious low-radiation area exists, the heating effect of the whole circle is basically consistent, 360-degree dead-corner-free radiation heating can be conducted on the inner pot, food materials at all positions in the circumferential direction can receive enough infrared radiation, the uniformity of infrared heating is improved, and the heating efficiency of the inner pot is improved. The aroma enhancement effect of the food materials can be improved, and the taste consistency of the food materials is improved.

The application provides a device and method for non-direct contact non-destructive repair of damaged water pipes, which comprises a magnetic attraction end device and a crack repair material. Under the action of a magnetic field applied by the magnetic attraction end device, the magnetic powder in the crack repair material flows under the action of magnetic force and can be accurately attached to the damaged position of the water pipe to be repaired, so as to attach and wrap the crack. After the switch is turned on and the radiation heating pipe is powered, the damaged position to be repaired can be heated to accelerate the solidification of the crack repair material. After the crack repair material is completely solidified, the radiation heating pipe is continuously powered to dry the water leaking from the damaged position of the water pipe, so as to prevent water from seeping into the surrounding environment and causing erosion. The device used in the method is simple to operate and fast in repair, and can quickly repair the non-direct contact damaged water pipe without damaging the surrounding environment, thereby saving a large amount of manpower, material resources and financial resources.

The invention relates to a method for evaluating fuel gas jet radiation heating, which comprises the following steps of: defining a jet boundary as a semi-cylindrical outer surface and an arc surface outer surface which have the same diameter as a nozzle outlet according to a flight height, and determining the arc surface outer surface by calculating an initial expansion angle, a radius of an arc, a Mach number of the nozzle outlet and a Prandt-Myer angle; calculating the angle coefficient of each point at the bottom when the jet flow boundary is the semi-cylindrical outer surface; carrying out engine ground test run, measuring the radiation heat flow of the engine, estimating the angle coefficient of the bottom heat flow measuring point position and the jet radiation heat flow, correcting the fuel gas equivalent blackness, and calculating the radiation heat flow of each point when the jet boundary is the semi-cylindrical outer surface and the radiation heat flow of each point when the jet boundary is the arc surface outer surface; according to the method, high-temperature fuel gas jet flow field calculation and high-temperature gas spectrum radiation characteristic and transmission calculation do not need to be carried out, and engineering rapid prediction of radiation heating of the aircraft tail mounting object is realized by utilizing ground engine test run test measurement data association.

A heat treatment system (100) for solid bulk material in pieces having a tower configuration and mainly comprising: - a plurality of belt conveyors (11-15) for the dry transportation of the bulk material, which belt conveyors have a stacked arrangement one above the other and thermally in series, each of said belt conveyors being configured to transport the bulk material transversely to the stacking direction; - one or more heater devices (31-35) arranged at each belt conveyor of said series to heat, e.g. by radiation, the bulk material transported thereupon; - a plurality of material discharging conduits (21-25), each interposed between an upstream belt conveyor and a downstream belt conveyor adjacent thereto in said series arrangement.

This invention discloses a perovskite-type high-entropy ceramic material, its preparation method, and its application. The preparation method of the perovskite-type high-entropy ceramic material of this invention includes the following steps: 1) mixing A-site oxide powder and B-site oxide powder and wet ball milling, followed by drying and grinding to obtain a mixed powder; 2) adding the mixed powder into a graphite crucible and compacting it, then subjecting it to laser radiation heating to obtain the perovskite-type high-entropy ceramic material. The perovskite-type high-entropy ceramic material of this invention exhibits multi-band absorption characteristics, high service temperature, and stable performance at high temperatures, making it suitable for use in stealth coatings for aerospace vehicles. Furthermore, its preparation method is simple, with a short reaction time and low production cost, making it suitable for large-scale industrial production and application.

A heating tube with an insulator tube armored with low-temperature fused salt as a resistance heating body is characterized in that a low-temperature fused salt tube is arranged in the insulator tube with a certain length and a certain section geometric dimension, so that the fused salt in the insulator tube has a certain resistance value, and metal electrodes are inserted into two ends of the insulator tube to be in contact with the low-temperature fused salt; one end of the metal electrode is in contact with the low-temperature fused salt, and the other end extends out of the insulator tube to be sealed and packaged to form a heating tube with the insulator tube armored low-temperature fused salt as a resistance heating body; after the metal electrode is electrified, the solid-state low-temperature fused salt is used as a resistor body to be heated to be molten, solid-liquid phase change heat storage is performed, and the temperature of the low-temperature fused salt is always at the melting point temperature of the low-temperature fused salt through temperature control; the heating mode of the heating pipe taking the insulator pipe armored low-temperature fused salt as the resistance heating body to a heated object is a combined mode of a non-contact infrared radiation heating mode, a direct contact heat conduction mode and an infrared radiation heating mode. The infrared radiation heating mode is that the tube wall of the composite material insulator tube mixed with the high infrared radiation composite oxide powder performs infrared heating on a heated object, and the low-temperature fused salt is doped with the high infrared radiation composite oxide particles to perform infrared heating on the heated object.

The invention relates to the technical field of vacuum sintering, and provides an infrared temperature measurement method for a formic acid vacuum furnace, which comprises the following steps: a jig is arranged in the formic acid vacuum furnace, an upper heating pipe and a lower heating pipe of the formic acid vacuum furnace are infrared radiation heating pipes, the jig is of a hollow structure, a workpiece to be measured is placed on the jig, and an upper cover of the vacuum furnace is provided with a plurality of temperature measurement components; a temperature measuring seat of the temperature measuring assembly is provided with an infrared temperature measuring sensor, and the infrared temperature measuring sensor measures temperature through a temperature measuring window; acquiring a plurality of first measurement temperature data; comparing the first measured temperature data with each other, and re-measuring if the first measured temperature data is greater than a threshold value; if so, averaging the first measured temperature data to obtain second measured temperature data; determining a temperature interval according to the second measured temperature data; determining an infrared radiation response value according to the temperature interval; and determining third measurement temperature data according to the infrared radiation response value and a temperature determination formula. The problem that an existing formic acid vacuum furnace is low in infrared temperature measurement precision is solved.

This utility model relates to the technical field of gas-fired infrared radiant heating devices, specifically a gas-fired infrared radiant heating device, comprising: a radiant tube installed on the main body of the gas-fired infrared radiant heating device, a wind guide plate rotatably connected to the side of the main body of the gas-fired infrared radiant heating device, and the wind guide plate being connected to the transmission end of a first servo motor; the beneficial effects are: opening the solenoid valve installed on the stainless steel pipe above the radiant tube, the jet nozzle ejects gas to accelerate the downward flow of hot air inside the reflector, reducing the phenomenon of higher temperature at higher levels and lower temperature at lower levels; activating the solenoid valve on the stainless steel pipe below the radiant tube, the jet nozzle ejects gas to clean the area below the radiant tube; closing the solenoid valve on the stainless steel pipe below the radiant tube, and opening the solenoid valve installed on the stainless steel pipe above the radiant tube, the jet nozzle ejects gas to clean the area above the radiant tube, thus achieving automatic cleaning of the radiant tube without the need for manual cleaning.

The utility model relates to the technical field of asphalt production, especially a kind of even heating device for polyurethane modified asphalt production, including, stirring bucket, for accommodating polyurethane modified asphalt;Agitating mechanism is set to the inside of stirring bucket, for stirring material, scrape the sidewall and bottom surface of stirring bucket;Conduction heating mechanism, it is around to set in the outside of stirring bucket, the inside of stirring bucket is heated by heat conduction oil conduction;And, radiation heating mechanism, the radiation heating mechanism is installed in the bottom of stirring bucket, the inside of stirring bucket is heated by infrared radiation, the utility model is guided to the heat conduction oil to be folded type path flow by folding type deflector, pass through turbulent disturbance and extend heat transfer path, so that heat is fully transferred, the heat transfer efficiency of heat conduction oil and stirring bucket wall is greatly improved, and the closed loop system of heat conduction oil furnace and circulating pump ensures that heat is continuously supplied and transported, so that heat transfer efficiency is greatly improved.

The application discloses a kind of heating and heat dissipation bidirectional personal thermal management fabric and preparation method thereof, belong to thermal management fabric design technical field.The main surface of fabric is sprayed with a layer of amorphous structure photonic crystal coating, the reflectivity of fabric in visible light near infrared band and the emissivity in mid-infrared band are improved, the physical coloring of no thermal burden is realized on the surface of fabric to meet the demand of diversification and beauty of textile, the MXene nanosheet of low emissivity is sprayed on the other side of fabric, the passive radiation heating performance, photothermal conversion performance and joule heating performance of MXene are used to realize the heating thermal management of fabric, the fabric of the application realizes dynamic personal thermal management, that is, compared with the temperature of simulated human skin, the temperature can be reduced by 10.2 DEG C in summer, and the temperature can be increased by 21.4 DEG C in winter by combining the heating effect of multiple modes, to provide greater flexibility for personal thermal management under different environmental conditions.

The invention discloses a wall body structure. The wall body structure comprises a foundation wall body; the heating wall plate is mounted on the basic wall body, the heating wall plate comprises a soaking layer and a base plate layer which are sequentially arranged from the back face to the front face, a groove is formed in the surface of the side, facing the soaking layer, of the base plate layer, and a heat exchange pipe is arranged in the groove; the supply and backflow assembly comprises a supply pipeline and a backflow pipeline, and the supply pipeline and the backflow pipeline are communicated with the heat exchange pipe. The invention further discloses a radiant heating system which comprises a heat source and any wall structure in the embodiment, the heat source communicates with the supply pipeline and the backflow pipeline, the heat source is used for feeding the heat exchange medium into the supply pipeline, and the heat exchange medium can finally flow back into the heat source along the supply pipeline, the heat exchange pipe and the backflow pipeline. Radiation heating can be formed on the surface of the wall of the building, and the beneficial effects of being convenient and fast to install, high in thermal comfort and convenient to maintain in the later period are achieved.

The application provides a sintering device for metal support type monomers, which comprises a box body and a heating component arranged in the box body; the heating component comprises a radiation heating unit, a support body protective clothing, a sintering monomer carrier and a cooling module arranged in sequence; and the sintering monomer carrier is used for supporting the sintering monomer. The radiation heating unit in the sintering device has high heating efficiency when heating the sintering monomer; the cooling module can keep the metal support of the sintering monomer in a low temperature zone, so that the oxidation-reduction reaction of the metal can be avoided. The application further provides a continuous sintering device for metal support type monomers, wherein the sintering monomer carrier is a movable structure similar to a conveying belt, so that the continuous and uninterrupted sintering of the sintering monomer can be realized.

The utility model relates to the technical field of aerosol generation, in particular to a heating assembly and an aerosol generation device. The heating assembly comprises an infrared transmission piece and a heating piece. A containing cavity and heat exchange channels are arranged in the infrared transmission part, the heat exchange channels are arranged on the outer side of the containing cavity at intervals, and the containing cavity is used for containing an aerosol substrate; the heating piece is arranged on the infrared transmission piece and on the outer side of the heat exchange channel, and the heating piece is used for generating heat so as to heat gas in the heat exchange channel into hot air flow used for heating the aerosol matrix in the containing cavity; the infrared transmission piece is configured to enable infrared radiation generated by the heating body to heat the aerosol matrix in the containing cavity. Due to the fact that the heating piece of the heating assembly not only can heat the hot air flow entering the aerosol matrix, but also can directly conduct radiation heating on the aerosol matrix through infrared rays, the heating efficiency and the energy utilization rate of the heating piece are improved.

The utility model discloses a heating assembly and an aerosol generating device. The heating assembly comprises a feed column and a radiator. The feed column is used for accessing electric energy, and the radiator is used for radiating heat according to the electric energy; the feed column is of a hollow structure, and one end of the feed column is a radio frequency feed-in port used for being connected with a radio frequency source. The radiator is connected with the feed column, a heating cavity is arranged in the radiator, and the heating cavity is used for placing a medium to be heated; the radiator further comprises at least one gap communicated with the heating cavity, and the gap extends in the circumferential direction of the radiator. According to the heating assembly, the uniformity of radiation heating can be improved, the heating effect is improved, and the utilization efficiency of energy is improved.

The application discloses a modular labyrinth type environment killing cabin, which comprises a five-harmony system, an environment cabin, a device cabin and an air temperature insulation cabin located above the environment cabin. The air temperature insulation cabin comprises an exhaust fan unit and a killing mechanism. The exhaust fan unit is provided with an air suction pipe connected with the environment cabin and an air outlet connecting pipe connected with the killing mechanism, which is used for sucking the air discharged from the environment cabin, filtering and discharging into the killing mechanism for sterilization. The air duct in the killing mechanism is arranged in a plate folding structure with an "S" type path by using upper and lower partitions. An ultraviolet sterilization lamp strip is installed along the inner wall of the "S" type path. The side of the killing mechanism away from the air outlet connecting pipe is provided with a killing exhaust pipe, which is used for discharging the sterilized air into the air temperature insulation cabin to form an air temperature insulation layer. The five-harmony system comprises a radiation heating and cooling mechanism, a fresh air and cold air mechanism, an intelligent control mechanism and a cold and heat source mechanism. The cabin has the advantages of good temperature insulation at the top of the cabin, good exhaust and killing effect, multiple scene migration and application, modular and standardized production, great application prospect, complementary wall structure and five-harmony in the environment cabin.

The invention discloses a mechanical and thermal coupling test device for an adjusting mechanism. The test device comprises a clamp supporting system, an adjustable loading system, a heating system and a data measuring system, the clamp supporting system is used for realizing multi-degree-of-freedom constraint and positioning of the test piece, so that the test piece can move on the clamp according to actual use conditions; the adjustable loading system applies concentrated static load through an actuator and a lever mechanism, and keeps the loading direction perpendicular to the surface of the adjusting plate in the moving process; the heating system adopts a quartz lamp radiation heating mode, so that the front surface of the test piece can be heated to a set temperature; the data measurement system comprises a temperature and mechanical data acquisition device. The working state of the adjusting mechanism under the high-temperature and load coupling working condition is truly simulated, the motion performance and the structural integrity of the adjusting mechanism are comprehensively assessed, and reliable technical support is provided for design optimization and engineering application of the high-temperature motion mechanism.

The invention discloses a copper-aluminum composite double-sided radiation heat dissipation screen heating and cooling system, and belongs to the technical field of radiation heating and cooling. The radiant panel is characterized in that the radiant panel can be organically combined with indoor decoration of a building, and the front and back surfaces of the radiant panel can be utilized for heat exchange, so that the heat exchange capacity of the radiant panel is remarkably improved. In addition, a water condensing tank and a water collecting tank are arranged on the lower portion of the aluminum alloy radiant panel, so that condensed water after condensation can be discharged in time. In this way, the restriction of cold supply condensation does not need to be considered any more, and the selected temperatures of refrigerants such as cold water and the like are not limited by the indoor dew point temperature. Therefore, the cooling capacity per unit area can be greatly improved. An automatic temperature control device is arranged in the middle of the frame structure of the radiation screen, and accurate heat supply and refrigeration can be carried out according to the temperature of the measuring points around. The radiation screen adopts the composite design of the double-layer aluminum alloy radiation plate and the red copper coil pipe, the thickness is only about 13 mm, the radiation screen is light, thin and attractive, and indoor decoration design can be optimized while heating and cooling are provided.

The utility model provides lining plate surface drying equipment, and relates to the technical field of lining plate processing, the lining plate surface drying equipment comprises a drying box with through holes on two sides, the side part of the drying box is provided with a hot-blast stove for providing hot air flow, the side wall of the hot-blast stove is connected with a flow guide plate for guiding flow through an air supply pipeline, and the air supply pipeline is connected with the hot-blast stove. A diffusion cover for diffusing hot air flow is arranged at the bottom of the flow guide plate, an infrared heater for radiation heating is arranged in the middle of the bottom face of the diffusion cover, the lining plate is placed on the conveying belt, the lining plate is fixed through the clamp, the rotating motor drives the conveying rollers to rotate, the conveying belt drives the lining plate to move, and therefore the lining plate can be fixed. At the moment, the hot air furnace drives hot air flow to blow air up and down to the conveying belt through cooperation of an air supply pipeline, a flow guide plate and a diffusion cover, then an infrared heater operates through external power, and the drying efficiency is improved; and meanwhile, the circulating fan drives to enable hot air flow in the drying box to be filtered by the filter and introduced into the air return pipeline to be recycled, and drying is completed.

This invention discloses a method and system for efficiently recycling wood shavings from waste wood materials, belonging to the field of resource recycling technology. The method includes: non-contact radiative heating of waste wood materials using mid-wave infrared radiation, causing thermal embrittlement of surface contaminant coatings to form an embrittled layer; mechanically removing the embrittled layer using a composite roller brush; combining a roller-type feeding mechanism with visual recognition technology to level, pre-compact, and orient the texture of the purified wood; using a rotating cutter head and pressure gauge for precision cutting to produce wood shavings; and using a high-speed industrial camera to monitor the impurity content of the shavings in real time and dynamically adjust the infrared radiation intensity and / or the roller brush contact pressure. This invention can efficiently remove contaminants such as paint films and adhesives from the surface of waste wood, protect the integrity of wood fibers, produce high-quality wood shavings with high aspect ratio and high strength, and achieve closed-loop feedback control, significantly improving the recycling value of waste wood.

The invention discloses a system and a method for drying sludge by using waste heat of a sintered brick calcining kiln, and belongs to the technical field of sludge treatment, the system comprises the sintered brick calcining kiln, a wet sludge bin, a pipeline conveyor, a dryer, a belt conveyor, a dry sludge bin, a heat insulation cover, a spraying water tank, a dehumidifier, a fan and a waste gas pipeline; sludge is heated and dried through waste heat radiation of high-temperature brick stacks in the cooling section of the sintered brick roasting kiln, dried waste gas is pretreated through the spraying water tank and the dehumidifier and then led to the roasting section of the sintered brick roasting kiln to be subjected to high-temperature incineration treatment, and the dried sludge serves as brick making raw materials and fuel to be comprehensively utilized. A traditional complex flue gas waste heat exchange sludge drying mode is abandoned, high-temperature brick stack waste heat radiation heat transfer is directly used for drying sludge, the device has the advantages of being high in heat efficiency, small in occupied area, high in drying speed, small in interference to the brick making process and the like, and efficient combination of industrial waste heat and solid waste co-processing is achieved.

The invention discloses concrete pole constant-temperature and constant-humidity energy-saving maintenance equipment based on solar heat supply, and relates to the technical field of concrete pole steam maintenance, and the concrete pole constant-temperature and constant-humidity energy-saving maintenance equipment comprises a maintenance cabin fixedly mounted on the ground; through cooperation of the maintenance assembly and the gas distribution assembly, the device can conveniently utilize solar radiation to heat a steam water source, so that the heating energy consumption of the water source is reduced, the energy saving performance of the device is improved, meanwhile, the temperature and humidity sensor is matched to detect and control the maintenance temperature and humidity in real time, and the intelligence of the device is improved; a solar energy start-stop decision module performs fine analysis according to weather forecast and historical data, dynamically divides a'electricity storage period 'and a'electricity consumption period', and intelligently determines whether to start a solar energy mode based on a multi-threshold fusion mechanism; through self-adaptive adjustment of the weight coefficient, the system can gradually optimize a decision strategy in trial operation, solar energy can be utilized to the maximum extent under different meteorological conditions, and maintenance process interruption caused by insufficient power supply can be effectively avoided.

The application discloses a kind of simulation lithium battery thermal runaway thermal radiation and dynamic synergistic switching control method of jet fire, belong to energy safety and thermal management technical field, this method aims at solving the problem that single heat source cannot truly reproduce the whole process of thermal runaway in existing test, heat flux density is discontinuous and control lag.The method comprises: setting target heat flux density curve including radiation heating, synergistic switching and jet fire leading three stages;Real-time acquisition of battery state is carried out by multi-physical field sensor;Switching opportunity is judged based on thermal runaway prediction model;In switching stage, radiation and jet fire heat source power are smoothly adjusted, to ensure that total heat flux density continuously and accurately tracks target curve.The system includes double-source heating module, data acquisition module and central control module, to realize high-fidelity, high-repetitive thermal runaway whole process simulation.

The invention discloses a 3D printing system and method based on microwave heating, and relates to the technical field of additive manufacturing. Comprising a 3D printing lifting platform, a powder supply and laying system for laying or spraying powder on the 3D printing lifting platform, an antenna mounting frame arranged on the 3D printing lifting platform in a sliding mode, an antenna array heating module arranged below the antenna mounting frame and a spraying assembly for spraying a wave absorbing agent. The antenna array heating module comprises a dielectric plate, at least two rows of patch antenna assemblies which are transversely arranged are arranged on the dielectric plate, each row of patch antenna assemblies comprises a plurality of patch units which are arranged at intervals, and the patch units of every two adjacent rows of patch antenna assemblies are arranged in a staggered mode. And the projections of all the patch units on the front and back rows of patch antenna assemblies in the longitudinal direction are partially overlapped. The wave-absorbing material is selectively sprayed on the powder layer through the spraying assembly, and in combination with radiation heating of the movable antenna array, rapid, uniform and local selective melting of polymer powder is achieved, and the printing efficiency and the forming quality are effectively improved.

The invention belongs to the field of solar cell drying, and particularly relates to a far infrared tunnel drying device which comprises a tunnel type drying box body, a drying channel is formed in the tunnel type drying box body, and the tunnel type drying box body is sequentially divided into a preheating area, a constant heat area and a cooling area in the conveying direction of a slide glass basket; according to the far infrared heating module, far infrared radiation heating pipes with the wavelength of 5-12 microns are arranged on the tops and the two sides of the preheating zone and the constant-heat zone, the far infrared radiation heating pipes are arranged in a matrix staggered mode, the distance between the heating pipes is 10-30 cm, and the vertical distance between the heating pipes and the surface of the slide glass flower basket is 20-50 cm. The wavelength is matched with the absorption peak value of water molecules in the silicon wafer and the surface coating, and synchronous heating of surface water and internal bound water of the silicon wafer is achieved. The penetration type heating mode does not need to depend on slow conduction of heat in the silicon wafer and can directly act on to-be-dried water, so that the speed of the drying process is qualitatively improved.