463results about How to "Achieve heating" patented technology

The utility model belongs to the field of crude oil heating, and particularly relates to a crude oil heating device which comprises an air energy heat pump, a water-oil heat exchanger, an air-oil heat exchanger, a solar hot air heat collector and a ground source heat exchanger. A heat exchanger tube pass is arranged in an inner cavity of the water-oil heat exchanger, the two ends of the heat exchanger tube pass are communicated with a heat exchanger oil conveying pipe, and the ground source heat exchanger is communicated with an air source evaporator copper pipe and used for evaporating refrigerants in a pipeline of the ground source heat exchanger and the air source evaporator copper pipe. The heat pump and other two heat sources can form a multi-source heating device, and the system keeps constant temperature through crude oil secondary heat exchange and phase change heat storage, is energy-saving, efficient and pollution-free, can adapt to cold weather, and is suitable for popularization.

The utility model discloses a feed production device, which relates to the technical field of feed production devices and comprises a feed barrel, a plurality of support legs arranged at four corners of the bottom end of the feed barrel, a discharge pipe arranged at one end of the feed barrel, a heating and stirring mechanism arranged inside the feed barrel, and a crushing box arranged at the top end of the feed barrel. A feeding mechanism is arranged at the end, away from the discharging pipe, of the smashing box, a filtering mechanism is arranged in the smashing box, and a smashing mechanism is arranged in the filtering mechanism. Through cooperative arrangement of the crushing mechanism, the filtering mechanism and the heating and stirring mechanism, feed can be processed to be finer and smoother, the feed is mixed to be more uniform, more dry and storable, waste caused by unqualified feed and non-storable feed is also avoided, and the feed processing quality is improved to a great extent.

The invention discloses anti-sputtering SMT (surface mount technology) welding equipment, which belongs to the technical field of electric element assembling and welding and comprises a sleeve frame, a movable electric cylinder, a connecting column and a multi-point spaced anti-sputtering welding mechanism. The multi-point-position interval splash-proof welding mechanism comprises a gear motor, an L-shaped rotating shaft, a rotating ring, a fulcrum shaft, a plurality of pulling strips, a plurality of pulling shafts, a sleeve rod, a linkage shaft, a concave block, a pressing plate, a plurality of interval splash-proof strips, a protective groove frame and a push-up electric cylinder, and further comprises a multi-corner interval splash-proof welding mechanism and a top covering splash-proof welding assembly. The multi-point-position interval splash-proof welding mechanism has the advantages that each pin has an independent limiting welding space, multi-point-position interval splash-proof welding of each pin can be achieved, the assembling and welding quality of a circuit board can be guaranteed, and the welding qualification rate is greatly increased; therefore, the problems that the assembling and welding quality of the circuit board is difficult to guarantee and the welding qualification rate is greatly reduced are solved.

The invention discloses a protective film pressing device and a use method thereof, and belongs to the technical field of protective film processing, the protective film pressing device comprises a cabinet placed above the ground, an unwinding roller is rotatably mounted on the upper surface of the left end of the cabinet, and a winding roller is rotatably mounted on the upper surface of the right end of the cabinet; a fixing frame is fixedly installed on the upper surface of the machine cabinet, a movable plate is arranged above the fixing frame, an air conveying assembly is connected between the fixing frame and the movable plate, a rotating frame is elastically and rotationally connected to the lower portion of the movable plate through a torsional spring, and an obliquely-arranged exhaust roller is rotationally connected to the lower end of the rotating frame. And a heat generation assembly for heating air is arranged on the inner side of the exhaust roller. According to the protective film pressing device and the using method thereof, the exhausting and pressing effects on the protective film can be improved through vibration, gas can be automatically conveyed to heat the protective film in the pressing process, and the exhausting and cleaning effects of the protective film are further improved.

The invention discloses a multi-storage-location aging test device, and relates to the technical field of new energy battery pack testing. The multi-storage-location aging test device comprises a base, the top of the base is fixedly connected with a test mechanism, and the outer wall of the base is fixedly connected with a U-shaped bin. According to the multi-storage-location aging test device, the flowing assembly is matched with the moving assembly, a heater generates heat, a fan blows airflow to perform all-dimensional uniform temperature rise on a battery pack in the test bin through an airflow hole, an electric sliding block drives the heater and the fan to change the airflow direction through the arc-shaped design of a sliding rail, and multi-angle temperature rise is achieved; the device can place a plurality of battery packs into the test bin to be tested, the test efficiency is improved, meanwhile, the electromagnetic mechanism is used for heating the side face of the test bin, the heater is combined with heat conduction of the bottom of the test bin, comprehensive heating of the battery packs is achieved, and the reliability of the test result is ensured.

The invention relates to the technical field of building materials, in particular to a light anti-corrosion cement-based prefabricated part as well as a preparation method and application thereof. The cement-based prefabricated part is prefabricated and formed by bonding a base body located on the inner layer of the cement-based prefabricated part and a surface material located on the peripheral layer of the cement-based prefabricated part through an adhesive and performing microwave heating. Wherein the surface material is prepared from filler, modified stone powder, cement and the like through colloid mill shearing treatment and filter pressing treatment; the matrix is prepared by mixing a foaming agent, mineral powder, sodium hydroxide, metakaolin, aggregate, polypropylene fiber, calcium lignosulphonate and the like, putting into a mold, performing steam curing and demolding. The outer surface of the base body is coated with an adhesive, and the surface material and the base body are combined in a vibration extrusion forming mode and then subjected to microwave heating treatment to be manufactured into the cement-based prefabricated part. The cement-based prefabricated part is high in salt resistance, freezing resistance and acid resistance, light in weight and suitable for being used as a building material in a cold region, including curbs.

The present invention belongs to the field of nuclear industry, and discloses a system and method for crushing and dissolving a quartz target tube, including a cleaning device, a drying device, a crushing device and a dissolving device. The cleaning device cleans the quartz target tube, the drying device dries the quartz target tube, the crushing device crushes the quartz target tube, and causes the crushed quartz target tube and the target material therein to fall down. The dissolving device receives the fallen quartz target tube and the target material, and dissolves the quartz target tube and the target material. The present invention cleans the quartz target tube by a cleaning device, dries the quartz target tube by a drying device, crushes the quartz target tube by a crushing device, and dissolves the quartz target tube debris and the target material by a dissolving device, which is convenient for subsequent extraction, storage and use, and has the advantages of safety, high efficiency, less impurities and high product quality.

The invention relates to the technical field of grease filling systems, and discloses a full-automatic grease multi-point pump filling system which comprises a grease filling device, a grease mixing tank and a multi-point pump, the grease filling device injects grease into the grease mixing tank, and the grease mixing tank is installed at the upper end of a grease barrel of the multi-point pump through a support; a stirring motor is arranged at the top of the oil mixing tank, a rotating shaft is arranged in the oil mixing tank, the stirring motor drives the rotating shaft to rotate, a transverse connecting body is arranged at the lower end of the rotating shaft, and a plurality of stirring rods are arranged on the transverse connecting body at intervals; a plurality of distributors are installed at the positions, close to bearings, of a base of the vertical lifting belt, a plurality of oil outlet ports of the multi-point pump are all connected with oil conveying pipes, and the oil conveying pipes are connected with oil inlets of the distributors; the full-automatic grease multi-point pump filling system solves the problems that a plurality of bearings of an existing vertical lifting belt need to be filled with grease manually, the labor intensity is high, and the filling effect is difficult to guarantee.

The utility model discloses eye shadow gel silky powder processing equipment, which relates to the technical field of eye shadow processing and comprises a working table, a mixing tank for bearing raw materials is fixedly arranged at the front part of the upper end of the working table, an end cover capable of vertically moving is arranged at the upper end of the mixing tank, a first motor is mounted at the upper end of the end cover, and a second motor is mounted at the lower end of the end cover. The output end of the first motor is fixedly connected with a driving gear, the periphery of the driving gear is meshed with four driven gears arranged at equal intervals, the lower ends of the driven gears are fixedly connected with a rotating shaft penetrating through the lower end of the end cover, and the outer surface of the rotating shaft is fixedly connected with a plurality of stirring blades; a heating pipe is fixedly connected to the middle of the lower end of the end cover, a shell is fixedly connected to the outer surface of the mixing tank, a cooling cavity is formed between the mixing tank and the shell, the device can achieve multiple processing flows of mixing, heating and cooling by arranging the stirring blades, the heating pipe and the cooling cavity, and the occupied space of the device is reduced.

The utility model discloses a wire coil assembly and cooking equipment. Wherein the pot comprises a pot opening, a pot bottom and a pot body, the wire coil assembly comprises a wire coil support and a coil winding wound on the wire coil support, the wire coil support is arranged at the pot bottom and / or the pot body, and the wire coil support is provided with a heat dissipation structure. Therefore, by arranging the heat dissipation structure on the wire coil support, the heat dissipation condition near a pot opening can be improved, the heat dissipation uniformity of the whole pot and the whole wire coil support can be improved, the service life of the wire coil assembly is prolonged, and improvement of the cooking quality is facilitated.

The invention discloses a tunnel type induction heating furnace for titanium alloy bar machining, and belongs to the technical field of induction heating furnaces, the tunnel type induction heating furnace comprises a conveying mechanism used for conveying titanium alloy bars, and the conveying mechanism is provided with two feeding and discharging mechanisms used for feeding and discharging the titanium alloy bars correspondingly; the conveying mechanism is provided with a heating mechanism used for conducting induction heating on the titanium alloy bar. The conveying mechanism can drive titanium alloy bars to be automatically conveyed at a constant speed, when the bars move to the door opening module at the front end of the heating furnace body, the door opening module is opened once, the bars are subjected to induction heating in the heating furnace body, when the bars move to the door opening module at the rear end of the heating furnace body, the door opening module is opened once, the automation degree is high, and the efficiency is high. The continuity is good; and after the titanium alloy bar enters the heating furnace body, the placement roller rotates under the action of the fixed rack, the placement roller rotates to drive the titanium alloy bar to rotate, comprehensive heating of the titanium alloy bar is achieved, and the heating effect is good.

The invention relates to an integrated heat management system with a hot gas bypass, and belongs to the technical field of heat management, and the integrated heat management system with the hot gas bypass comprises a refrigerant side integration module and a water side integration module which are integrated into a whole. The refrigerant side and the water side are integrated together, the integration degree is improved, the occupied space is reduced, the production efficiency is improved, the two electromagnetic valves, the four electronic expansion valves and the two one-way valves are used, the ultra-low-temperature compressor hot gas bypass function can be achieved, and passengers are heated. According to the invention, PTC is not used, the use environment temperature of the system can be reduced to-25 DEG C to-30 DEG C, the cost of the system can be reduced, and the weight of the system can be reduced.

The utility model discloses a heat conduction oil boiler waste heat recycling device which comprises a boiler body, a heated pipe and a waste heat recycling water tank, a top cover is arranged on the top of the boiler body, the heated pipe is arranged in the boiler body, and the two ends of the heated pipe are communicated with an inlet and an outlet of an external heat conduction oil circulation pipeline respectively. An exhaust pipe vertically extending upwards into the waste heat recovery water tank is arranged on the top cover, an exhaust hole corresponding to the exhaust pipe is formed in the top cover, and the tail end of the oil return pipe transversely penetrates through the waste heat recovery water tank to be connected with the heated pipe. In the boiler body, heat energy is provided through combustion of fossil fuel to heat conduction oil, waste gas is treated and absorbs heat through a flocculating agent aqueous solution in the waste heat recovery water tank, the flocculating agent aqueous solution absorbs heat energy in the waste gas, and then the heat conduction oil in the oil return pipe is heated. And the fossil fuel can be preheated by the heat energy diffused in the waste gas treated by the waste heat recovery water tank, so that the recycling of the heat energy in the waste gas is realized to a greater extent.

The utility model relates to the technical field of ultrapure water machines, and discloses a water temperature adjusting device of an ultrapure water machine, which comprises a shell, a normal-temperature water tank is mounted on the inner side of the shell, a water inlet pipe is mounted at the upper end of the normal-temperature water tank, and the water inlet pipe is communicated with an ultrapure water outlet of the ultrapure water machine; a heating unit and a cooling unit are installed below the normal-temperature water tank, and a distribution assembly is installed between the bottoms of the normal-temperature water tank. Through cooperative use of the heating unit, the cooling unit, the distribution assembly and the flow mixing assembly, heating and cooling of ultrapure water are achieved, precise mixing of high-temperature ultrapure water, low-temperature ultrapure water and normal-temperature ultrapure water is controlled, ultrapure water at the required temperature is obtained, the temperature adjusting precision is improved, the temperature and liquid level are monitored in real time, and the temperature adjusting precision is improved. The temperature of the ultrapure water is automatically controlled, the energy consumption required by temperature regulation is reduced, and the ultrapure water temperature regulation device has the effects of high temperature regulation precision and low working energy consumption.

The utility model relates to a desoldering and repairing table, which belongs to the field of desoldering and repairing and comprises a table frame, a desoldering mechanism for desoldering a circuit board at a fixed point and cleaning soldering tin in time is arranged on the upper surface of the table frame, and a conveying mechanism for automatically feeding and discharging is arranged on the upper surface of the table frame. The desoldering mechanism comprises a supporting frame, a linear module, an air cylinder, a connecting plate, a collecting nozzle, a tin sucking pump, a material sucking pipe, a feeding pipe and a collecting box. According to the desoldering repair table, the desoldering mechanism and the linear module are arranged and used for accurately moving the air cylinder and the connecting plate so that accurate positioning of circuit board welding spots can be achieved, heating of the circuit board welding spots is achieved through the heating piece, and generated hot air is directly blown to a specific area of a circuit board through the air supply pipe and the air outlet nozzle; the tin sucking pump is matched with the material sucking pipe and the collecting nozzle to suck molten soldering tin and convey the sucked soldering tin to the collecting box, and the visual positioning sensor is installed on the lower surface of the connecting plate and used for accurately recognizing the position of a welding spot on the circuit board so as to improve the accuracy of desoldering.

The invention discloses an underground continuous oil pipe heating assembly for oil extraction, and relates to the technical field of oil pipe steam heating. An inseparable first hose body is connected to the outer side of a continuous oil pipe body side by side, and a separable second hose body is connected to the tail end of the first hose body; the tail end of the second hose body floats upwards through the columnar air bag, so that after the device is lowered to an underground oil layer, the tail end of the first channel can float upwards to the position above the crude oil level in the underground oil layer, and high-temperature steam can be conveyed from bottom to top through the first channel in cooperation with the operation that a large amount of high-pressure and high-temperature steam is injected into the underground oil layer during SAGD oil extraction; the continuous oil pipe body is heated from bottom to top by means of high-temperature steam, a large number of evenly-distributed electric heating assemblies do not need to be used, installation and use are convenient and fast, and the heating cost during continuous oil pipe oil extraction can be effectively reduced.

The utility model is applied to the field of vehicle-mounted cup stand devices, in particular to a vehicle-mounted cup stand device with a heating function, which comprises a bracket and a heating cup stand group, the bracket is provided with a first accommodating groove, the heating cup stand group is arranged in the first accommodating groove, and the heating cup stand group comprises a cup stand table, a touch screen and an electromagnetic heating group, a second containing groove is formed in the top of the cup holder table, the touch screen is fixedly arranged in the second containing groove, a cup body containing cavity used for containing a cup body is formed in one side of the cup holder table, the electromagnetic heating set is fixedly arranged at the bottom of the cup body containing cavity, and the electromagnetic heating set is electrically connected with the touch screen. Through electromagnetic induction heating work of the electromagnetic heating set, liquid contained in the cup body contained in the cup body containing cavity is heated, a driver and passengers can heat cold water in the driving process, and the requirement of a user for heating the cold water in a vehicle is met.

The invention provides a microwave low-noise amplifier, and relates to the technical field of amplifiers. The microwave low-noise amplifier comprises an amplifier body, wherein the amplifier body is provided with a shell and a circuit board arranged in the shell; the cold and heat conduction mechanism comprises a cooling fin and a circuitous pipe, the cooling fin is arranged between the inner bottom surface of the shell and the lower surface of the circuit board, and the circuitous pipe is connected to the cooling fin; and the semiconductor chilling plate is arranged in the shell, the hot end of the semiconductor chilling plate is used for feeding hot air into the circuitous pipe, and the cold end of the semiconductor chilling plate is used for feeding cold air into the circuitous pipe. According to the low-temperature amplifier, hot air is fed into the concentric-square-shaped pipe through the semiconductor chilling plate, so that heating of the cooling fins is achieved, when the amplifier body is used in a low-temperature environment, heat can be transferred to the circuit board through the cooling fins before the amplifier body works, preheating of the circuit board is achieved, and the stability of the amplifier body during follow-up work is improved.

The invention relates to a urinary catheterization instrument with split feeding and heating functions, and belongs to the technical field of medical instruments. The urethral catheterization instrument with the split feeding and heating functions comprises a three-cavity urethral catheter and an air bag. The air bag is fixed to the outer wall, close to the closed end, of the three-cavity catheter and used for positioning and fixing the three-cavity catheter during expansion. One end of the bladder floating instrument is clamped in the groove, the balloon expands and extrudes the bladder floating instrument out, the bladder floating instrument is separated from the groove of the three-cavity catheter, enters the bladder and floats in bladder liquid, and the bladder floating instrument receives alternating magnetic field heating to achieve bladder liquid heating. When the three-cavity catheter is pulled out, the bladder floating instrument can be taken out through the soft wire, compared with an existing mode, the bladder floating instrument does not need to be taken out through a tool independently, damage to the bladder urethra caused by multiple times of operation is avoided, safety is improved, and operation is convenient. The technical problem that a heating mode of an existing device is prone to causing damage to the bladder and the urethra is solved.

The utility model discloses movable temperature control incremental forming equipment which comprises a machine tool table and a heating gun, a thermal imager, a clamping device and a supporting support are arranged on the machine tool table, a tool head is arranged above the clamping device, the front end of the heating gun is connected with a telescopic pipe, an air inlet is formed in the heating gun, and an air spraying opening is formed in the front end of the telescopic pipe. The air inlet communicates with the air spraying opening, an air baffle is arranged at the air spraying opening, and the heating gun is electrically connected with temperature and air volume adjusting integrated equipment. The device solves the problem that local heating is limited in incremental forming machining of plates.

The invention relates to the technical field of gas chromatographic analyzers, in particular to a sample pretreatment structure for a gas chromatographic analyzer, which comprises a preheating box on an analyzer main body, a partition plate for dividing the preheating box into a left cavity and a right cavity is integrally connected to the preheating box, and a conveying plate for conveying samples is arranged on the partition plate; a conveying assembly for quantitatively conveying samples is mounted in the left cavity, and a heating assembly for uniformly heating the samples is mounted in the right cavity. Falling samples are weighed through the weighing table, the supporting table extends to the fixed table through downward movement of the movable rod, the quantitative samples are conveyed into the barrel through the conveying table, and then the sample analysis accuracy is improved; a sample is supported through the four barrels, the second annular plate can drive the barrels to rotate when rotating, the first rotating shaft and the second rotating shaft drive the stirring rods to stir the sample in the barrels when rotating, and the sample preheating efficiency is effectively improved.

The invention relates to a test method for simulating thermal aging of a metal sealing ring, the test method is carried out through a test device, and the test device comprises a test container, double sealing rings, a helium leak detector and a heating device; the test method comprises the following steps: measuring initial size parameters of the double sealing rings, wherein the size parameters comprise an inner diameter, an outer diameter and a wire diameter; installing the double sealing rings on the test container, and connecting a helium leak detector to a gap between the sealing rings of the double sealing rings; filling helium into the test container, and then placing the test container in a heating device for heating; when the temperature of the double sealing rings rises to the test temperature T DEG C, the temperature is maintained, the leakage rate is recorded through the helium leak detector, and the recording time is t; the test temperature T and the recording duration t are obtained through the Marson Muller formula LMP = T (C + log t), C is a constant, T is the test temperature, K and t are the recording duration, and H and LMP are acceleration characteristic parameters; and when the recording duration reaches t, ending the test.

The utility model relates to heat pump system equipment which comprises a rack and a refrigerant circulation module. The rack comprises a rack body and a partition plate arranged in the rack body, and the partition plate defines two cavities which are adjacent left and right in the rack body; the refrigerant circulation module comprises a compressor, an indoor side heat exchanger and a domestic hot water heat exchanger which are communicated to form a refrigerant loop, and the compressor, the indoor side heat exchanger and the domestic hot water heat exchanger are all arranged in one of the two cavities; the indoor side heat exchanger and / or the domestic hot water heat exchanger are / is installed on the partition plate, and the compressor is installed on a bottom plate of the cavity. According to the utility model, the integration level of heat pump system equipment can be improved, the gravity center of the equipment is lowered, the vibration of the heat pump system equipment in the operation process is reduced, and the stability of the equipment is improved.

The utility model discloses a lift type medium-frequency electric furnace for casting production and processing, which belongs to the technical field of medium-frequency electric furnaces, and comprises a furnace body, a top cover, an exhaust cover and an exhaust pipe, the bottom of the furnace body is fixedly connected with a lift mechanism, and the lift mechanism comprises a base, a movable seat, a top seat, a motor, a plurality of one-way screw rods and a plurality of guide rods. And a fixing mechanism is detachably mounted on the lower surface of the base. According to the utility model, the transmission belt and the plurality of transmission shafts are arranged to realize synchronous transmission among the plurality of one-way screw rods, so that the transmission precision can be improved, the rotation consistency of the one-way screw rods is guaranteed, and the stability and smoothness of the furnace body in the lifting process are improved; the furnace body can be conveniently fixed to a designated frame for use, the fixing mechanism is detachable, the requirement for multi-environment use is met, and practicability is improved.

The utility model relates to the field of beauty auxiliary beds, and discloses a special auxiliary instrument for a beauty instrument, which comprises a beauty auxiliary bed, the beauty auxiliary bed comprises a bed frame, a fixed mattress and an adjustable mattress are arranged on the inner side of the top of the bed frame, and electric push rods are rotatably connected to two sides of the middle of the bottom end of the adjustable mattress. The other ends of the electric push rods are rotationally connected to the top of the mounting seat, inner cavities are formed in the fixed mattress and the adjustable mattress, electric heating tubes are mounted in the inner cavities through mounting plates, an opening is formed in the middle of the top end of the rear side of the bed frame, and a threaded lead screw is mounted in the opening. According to the special auxiliary instrument for the beauty instrument, certain heat can be generated in the inner cavity through the work of the electric heating tube, so that the fixed mattress and the adjustable mattress can be heated, a person to be beautified can lie more comfortably in cold weather, discomfort of the user is avoided, and the special auxiliary instrument is suitable for popularization and application. And the user experience is improved.

The utility model relates to an air heating cooking fireplace which comprises a fireplace body, a fuel conveying mechanism, a heat exchange mechanism and a combustion chamber are installed in the fireplace body, the combustion chamber comprises a combustion box, a water boiling cooking opening is formed in the position, over the combustion chamber, of the top end of the fireplace body, and a heat conduction plate is placed at the top end of the water boiling cooking opening. And a pipeline is communicated with the water boiling cooking opening in the furnace body. Fuel is conveyed into the combustion box from the fuel conveying mechanism, flames of combustion particles of the combustion box are more concentrated on the top of the hearth, and oxygen is conveyed into the combustion box from the oxygen conveying pipe, so that the fuel is combustible. The flame can transfer heat to the heat conducting plate through the pipeline, so that a pot and a kettle which are placed on the heat conducting plate can be heated, the effects of cooking and boiling water are achieved, meanwhile, heat energy generated by combustibles is fully utilized, and the heat efficiency is improved.

The utility model relates to the technical field of waste gas treatment, and discloses a waste gas treatment and heat recovery device of a synthetic ammonia device, which comprises a working box and a filter box positioned on the left side of the working box; wherein a connecting groove is formed in the outer side wall of the filter box, a heat exchange pipe is fixedly connected to the outer side wall of the connecting groove, a water pump is inserted into the input end of the heat exchange pipe, an annular groove is formed in the bottom of the filter box, a first threaded groove is formed in the inner side wall of the annular groove, and a supporting plate is arranged at the bottom of the filter box; an annular plate is fixedly connected to the top of the supporting plate, a second threaded groove is formed in the inner side wall of the annular plate, and the annular plate is in threaded connection with an inner cavity of the annular groove; according to the scheme, heat for heating the filter box can be fully utilized, energy consumption is reduced, a filter screen and adsorption cotton are convenient to disassemble, and the labor intensity of a user is reduced.

The utility model discloses a compound fertilizer coating oil heating and spraying device which comprises a heating cylinder, a plurality of groups of heating plates are uniformly arranged in the heating cylinder, heat exchange pipes are wound among the plurality of groups of heating plates in a snakelike mode, one end of each heating pipe extends outwards to be provided with an oil inlet pipe, the other end of each heating pipe is provided with an oil outlet pipe, and the tail end of each oil outlet pipe is connected with a filter box. An intercepting filter screen is arranged in the filter box, a scraping plate is arranged at the oil inlet end of the intercepting filter screen, a lifting driving structure is arranged in cooperation with the scraping plate, a deslagging structure is arranged at the bottom end of the filter box in cooperation with the intercepting filter screen, an oil conveying pipe is arranged at the output end of the filter box, an oil spraying box is arranged at the tail end of the oil conveying pipe, and an impeller is rotationally installed in the oil spraying box; according to the oil liquid heating device, the uniformity of oil liquid heating can be improved, meanwhile, oil liquid filtering can be achieved, and the uniformity and fineness of oil liquid spraying can be improved.

The present invention provides a battery thermal management system, a control method and a vehicle, wherein the battery thermal management system includes a battery refrigerant circuit, an air conditioning refrigerant circuit and a coolant circuit; the battery refrigerant circuit is used to cool or heat the battery; a first heat exchanger is provided between the battery refrigerant circuit and the air conditioning refrigerant circuit; the first heat exchanger is used for heat exchange between the battery refrigerant circuit and the air conditioning refrigerant circuit; a second heat exchanger is provided between the battery refrigerant circuit and the coolant circuit, and the second heat exchanger is used for heat exchange between the battery refrigerant circuit and the coolant circuit. The present invention uses an independent battery refrigerant circuit, whose temperature and flow are independently adjusted, to avoid the temperature uniformity and temperature fluctuation problems of the existing battery direct cooling system, and can exchange heat with the coolant circuit, using waste heat to heat the battery, effectively reducing the energy consumption of low-temperature vehicle driving.

The present invention provides a premixed metal powder heater, which comprises: a shell, a metal powder feed port arranged on the shell, a metal powder discharge port arranged on the shell, a heat transfer oil inlet of a heating plate group arranged on the shell, a heat transfer oil outlet of the heating plate group arranged on the shell, and a heating plate group arranged in the shell; the heating plate group comprises at least one heating plate; at least one heating plate is provided with an oil channel; the oil channel of the heating plate is connected to the heat transfer oil inlet of the heating plate group; the oil channel of the heating plate is connected to the heat transfer oil outlet of the heating plate group. The premixed metal powder heater of the present invention is heated by heat transfer oil, which can avoid the leakage risk of high-power electric heating technology.