880 results about "Air heater" patented technology

A mobile heater adapted to heat air from the environment and to supply the heated air into a cabin like a recreational vehicle or a tent, the heater comprises a housing, a supply air inlet arranged at a side of the housing, a supply air outlet arranged at another side of the housing, a supply air channel inside the housing extending the between the supply air inlet and the supply outlet, means for generating a supply air flow inside the supply air channel from the supply air inlet to the supply air outlet, and flexible supply air hose that can be removably coupled to the supply air outlet and by means of which the heated air can be led inside the cabin, the heater further comprises a burner chamber inside the housing, wherein the supply air channel passes through the burner chamber, a burner arranged inside the burner chamber, a heat exchanger arranged inside the burner chamber and being designed as a tube section that forms at least a section of the supply air channel, a control unit and a user interface , wherein the burner extends below and along a vertical projection of the heat exchanger, and the heat exchanger has a plurality of firstlamellas and second lamellas, wherein the first lamellas extend from the outer surface of the tube section inside the burner chamber and parallel to a vertical plane, and the second lamellas extend from the inner surface of the tube section inside the supply air channel and along the direction of the supply air flow.

The invention provides a coating device for paper cup production, and belongs to the technical field of paper cup processing, the coating device comprises a transmission frame and a spraying frame, a paperboard is arranged above the transmission frame, the transmission frame is connected with a lifting assembly, the transmission frame is connected with a collecting box, the coating device further comprises a trowelling assembly, the trowelling assembly is connected with a hot-air blower, and the hot-air blower is connected with the spraying frame. The trowelling assembly is used for uniformly scraping a coating on the surface of the paperboard; the device has the beneficial effects that through the lifting assembly and a V-shaped scraper of the trowelling assembly, it can be guaranteed that the thickness of a coating is uniform, redundant paint can be guided to a collecting box and can be recycled after being treated, and the production cost is reduced; meanwhile, the air heater synchronously blows out hot air after the coating is scraped, rapid curing of the coating is promoted, the product quality is improved, the air heater can switch airflow paths to automatically clean the scraping plate, residual coating is stripped through high-speed airflow, it is avoided that subsequent use is affected by drying and caking, the manual cleaning cost is saved, and the long-term scraping precision is guaranteed.

The invention relates to the technical field of fiber fusion, and discloses a textile fiber cotton continuous forming device which comprises a forming machine, a cotton plate forming mechanism is arranged in the forming machine, and the cotton plate forming mechanism comprises a forming die, a pre-forming assembly and a glue solution blowing-floating curing assembly, and the pre-forming assembly and the glue solution blowing-floating curing assembly are matched with each other; a forming discharging port is formed in the forming die, a discharging conveying belt is arranged at the forming discharging port, the pre-forming assembly is composed of a feeding pretreatment channel and a forming continuous cylinder, and the discharging end of the feeding pretreatment channel communicates with the forming continuous cylinder and is flatly laid on the surface of the discharging conveying belt; and the glue solution blowing, floating and curing assembly comprises an air heater and glue blowing strips which are transversely and uniformly arranged along the discharging conveying belt. Through precise cooperation of the hot-air blower and the transverse glue blowing strip, double optimization of glue solution solidification and permeation is achieved, hot air jet from bottom to top forms a reverse airflow field, the falling glue solution generates a suspension permeation effect before solidification, the permeation depth of the glue solution is increased, and the bonding strength of fiber nodes is improved.

The invention discloses an automatic spraying robot system for an anti-oxidation functional ceramic coating of a prebaked anode carbon block. The automatic spraying robot system comprises a dust removal chamber, a bottom spraying chamber, a flash drying chamber, a spraying chamber and a drying chamber which are sequentially connected end to end and communicate with one another through communicating openings. A feeding port is formed in the dust removal chamber, a discharging port is formed in the drying chamber, and the dust removal chamber, the bottom spraying chamber, the flash drying chamber, the spraying chamber and the drying chamber are jointly provided with a feeding assembly. A bottom spraying assembly is arranged in the bottom spraying chamber, a quick-drying spray head is arranged on the flash drying chamber in a penetrating and inlaying mode, an industrial robot is arranged in the spraying chamber, a spray nozzle is fixedly connected to the tail end of the industrial robot, and a plurality of hot air blowers are arranged on the drying chamber in a penetrating and inlaying mode. Full-dimensional dead-corner-free cleaning of the carbon blocks is achieved, stubborn dust is efficiently removed, no extra power exists, different conveying speeds are adapted, and a foundation is built for follow-up spraying.

The invention discloses a critical current nondestructive testing device for a joint-free high-temperature superconducting tape. The critical current nondestructive testing device comprises a testing tape reel, a fixing plate, a testing tape reel motor rotating shaft, an air heater, a tension sensor, a wire guide wheel, a magnetizing device, a double-hole Hall sensor, a liquid nitrogen Dewar and the joint-free high-temperature superconducting tape. The test tape reel is used for placing the joint-free high-temperature superconducting tape; the testing tape reel motor rotating shaft is used for connecting the motor and the testing tape reel, and the air heater is used for blow-drying the tape to prevent the surface of the superconducting tape from freezing. The tension sensor is used for carrying out real-time and on-line monitoring on the tension applied to the superconducting tape. The wire guide wheel is of a bearing supporting structure and comprises a built-in deep groove ball bearing or sliding bearing. And the magnetizing device is used for magnetizing the high-temperature superconducting tape. The double-hole Hall sensor can detect magnetic field distribution on the surface of the magnetized strip. The double-hole Hall sensor is provided with a double-hole structure, and the slit strip is detected through the wire passing double holes.

The utility model belongs to the technical field of threshing devices, in particular to a low-loss threshing device for soybean harvesting, which comprises a threshing box, the top of the threshing box is communicated and fixed with a drying box with an opening on one side, the top of the drying box is fixedly connected with an air heater, and an output pipe of the air heater extends into the drying box and is communicated and fixed with a rectangular pipe. The hot-air blower and the motor are started, the hot-air blower discharges hot air into the air outlet cover through the rectangular pipe to be discharged, soybeans driving a shell are conveyed into the filter box in the threshing box through the conveying frame, the soybeans are dried through the air outlet cover in the conveying process, along with continuous rotation of the circular plate, the process is repeated continuously, and therefore the soybeans can be completely threshed. According to the soybean hulling device, continuous impact is formed, so that soybeans are hulled, after multiple times of impact and hulling, hulls of the soybeans gradually fall off, clean soybeans are left, the soybeans are discharged through a discharging opening, the hulls are retained in a filtering box, and therefore the soybeans are firstly subjected to drying treatment and then subjected to threshing, and loss is reduced.

The invention relates to the field of PCB transfer, in particular to a transfer trolley for PCB production and processing. According to the transfer trolley, a closed space is formed by a sleeve shell and an electric control lifting cabin and used for preventing harmful chemical gas from leaking outwards, hot air flow is conveyed to all layers of PCBs through an air heater so as to accelerate volatilization of residual solvents and the harmful chemical gas, then volatile matter is pumped to an activated carbon layer through an exhaust fan to be adsorbed, and through the process, the residual solvents and the harmful chemical gas can be recycled. According to the PCB stacking device, the PCB residual solvent can be rapidly volatilized and harmful gas can be collected and treated synchronously in the transferring process, and in addition, the stacking operation of all PCBs in the electric control lifting cabin can be rapidly completed by pulling open the side supporting plates between the C-shaped inserting rails; the technical problem that each PCB transfer trolley needs to be parked for a long time to wait for a PCB to wait for volatilization of a residual solvent, and the use efficiency of the PCB transfer trolley is seriously affected is solved.

The invention discloses an emergency power supply cabinet with a temperature and humidity adjusting function, and belongs to the technical field of power supply cabinets, the emergency power supply cabinet comprises a cabinet body, the inner side of the cabinet body is divided into a regulation and control chamber and an electrical chamber through a partition plate, and a temperature and humidity adjusting mechanism is installed on the inner side of the regulation and control chamber and comprises a shell fixedly installed in the middle of the regulation and control chamber; a rotating disc is rotatably installed in the middle of the shell, the inner side of the rotating disc is filled with dehumidification filler, the inner walls of the two sides of the shell are each divided into an air inlet cavity and an air return cavity through two baffles, one side of each air inlet cavity is connected with an air cooler, the other side of each air inlet cavity is connected with an air outlet pipe located at the bottom of the electrical room, and one side of each air return cavity is connected with an air heater through an air pipe. Through the arrangement of the air cooler and the hot-air blower, the air cooler introduces cold air into the electrical room, the cold air flows downwards, so that hot air in the electrical room can be pushed to flow upwards, the hot-air blower pumps the hot air out of the electrical room, and the power supply cabinet can be cooled.

The invention discloses a power self-adaptive adjustment method and system of an air heater, relates to the technical field of self-adaptive adjustment, and aims to solve the problem that the adaptability of a heating load controlled by a fixed PWM duty ratio and a heating channel to multiple temperature zones is insufficient, especially under the conditions of load change and non-uniform temperature, the temperature of the heating load is not uniform. And accurate temperature control adjustment cannot be realized. By calculating and adjusting the temperature deviation and PWM duty ratio deviation of the three temperature zones and the heating channel, the PWM duty ratio of each temperature zone can be adjusted in real time, accurate temperature control, thermal coupling characteristics and a safe amplitude limiting mechanism are achieved, it is ensured that the system can automatically adjust under the condition that the temperature is too high or the power is too large, and the system reliability is improved. A'slope-amplitude limiting-filtering 'three-in-one regulator is adopted, the PWM duty ratio is adjusted in a self-adaptive mode according to the dynamic change of a temperature zone, a rule is set, a double-temperature-zone energy-saving mode is automatically entered, unnecessary energy waste is reduced, the overall energy efficiency is improved, and the energy consumption of the system is reduced.

The invention discloses an agricultural mulching film harmless recovery treatment and high-value utilization method, and relates to the technical field of recovery treatment.The agricultural mulching film harmless recovery treatment and high-value utilization method comprises a winnowing chamber, a solid recovery mechanism, a dust suppression recovery mechanism, a spraying mechanism and an air guide mechanism, dust is subjected to dust suppression recovery through cooperation of the spraying chamber and the spraying mechanism, and a degradation reagent is sprayed to mulching film fragments; meanwhile, a recycling conveying belt is matched with an air guide mechanism to guide airflow and recycle mulching film fragments carried by the recycling conveying belt, so that the mulching film fragments are attached to the surface of the recycling conveying belt, are transferred into a drying chamber and are matched with an air heater to be recycled and dried, and pesticide on the surfaces of the mulching film fragments is degraded by a degradation reagent sprayed in the transferring-in process; the air guide mechanism guides air flow and cooperates with the flat air jet head and the inclined air jet plate to discharge the air flow in a split-flow manner, so that the air flow is utilized to reduce sludge blockage of the discharge port at the bottom of the discharge groove and maintain the bottom temperature of the opening-closing screen, and the situation that the temperature of the opening-closing screen is too high, and consequently mulching film fragments accumulated on the top face of the opening-closing screen are melted and attached is avoided.

The utility model discloses a four-lamp and double-air-heating warmer which comprises a cover plate, a box body, a heat dissipation piece, a heating air outlet device and a plurality of warming lamps. The heat dissipation piece, the heating air outlet device and the multiple heating lamps are all arranged in the box body. The heat dissipation piece is fixedly connected to the bottom of the middle of the box body and fixedly connected with the heating air outlet device. A gap exists between the heat dissipation piece and the heating air outlet device and is used for conducting heat dissipation on the heating air outlet device. The cover plate is fixedly connected to the opening side of the box body; the multiple heating lamps are symmetrically distributed on the two sides of the heating assembly and penetrate out of the cover plate. The heat dissipation piece comprises a plurality of bottom rings with the inner diameters decreased progressively, a plurality of supporting rings with the inner diameters decreased progressively and a plurality of connecting plates. The supporting ring and the bottom ring are coaxial, the supporting ring is located in the bottom ring, and the supporting ring is fixedly connected with the heating air outlet device; the support ring is higher than the bottom ring; the connecting plate is radially and fixedly connected with the bottom ring and the supporting ring; the plurality of connecting plates are annularly distributed along the bottom ring; a heat dissipation area is formed in the supporting ring with the smallest inner diameter.

The drying machine for textile processing comprises a drying box, an industrial air heater is installed on the left side of the top face of the drying box, and an air outlet of the industrial air heater is communicated with a hot air pipe. According to the textile drying device, the industrial hot-air blower and the electric heating devices corresponding to the net-shaped conveying belt are arranged, the industrial hot-air blower at the top of the drying box is started, the industrial hot-air blower is promoted to introduce hot air at the constant temperature into the drying box through the hot-air pipe, and the hot air blown out of the hot-air pipe conducts hot-air drying on the top faces of textiles; in the process, an electric heating wire and a blowing fan in the electric heating device are started to work at the same time, the part, provided with the electric heating wire, of the electric heating device extends to the inner side of the net-shaped conveying belt, and heat generated by the electric heating wire is blown to the surface of the net-shaped conveying belt in a hot air mode under the blowing action of the blowing fan in combination with the hollowed-out structure of the net-shaped conveying belt; hot air drying of the bottom surface of the textile is realized.

The invention discloses spray granulation equipment and a spray granulation method, and relates to the technical field of spray granulation. The device comprises a drying box, the drying box internally comprises a hot air cavity and a processing cavity, an air heater is installed in the hot air cavity, a filter plate is installed between the hot air cavity and the processing cavity, and a discharging opening is formed in the processing cavity; and the storage tank is provided with a discharging pipe communicating with the processing cavity, and a stirring piece is installed in the storage tank. When the device is used, air is blown into the processing cavity through the air heater, raw materials are dried through hot air, particles formed by the raw materials can be discharged through a discharging port, and the blown-out hot air moves in the processing cavity, gradually moves into a transfer pipe and enters an interlayer of a storage tank through the transfer pipe; and the storage tank is preheated through waste heat of tail gas, the utilization rate of the tail gas is increased, and then the practicability of the device is improved.

The utility model discloses an air heater heat preservation connecting structure, include: connecting pipe, and the one end of connecting pipe is connected with the connecting flange, the heat preservation pipe is equipped with the inner tube in the heat preservation pipe, the compensation component is equipped in the heat preservation pipe, and the compensation component includes: fixed plate, first bellow, fixed flange, fixed block and spacing rod, the heat preservation component is equipped between connecting pipe and heat preservation pipe, and the heat preservation component includes: heat preservation cover, side plate, locating block and locating groove. The utility model realizes through the setting of compensation component, can cause the heat compensation of the expansion or shrinkage of metal to temperature variation, and the air sandwich layer between double -deck bellow can reduce the conduction of heat, reduce the loss of heat, and reduce the transmission of mechanical vibration, through heat preservation component, one aspect can full coverage flange and bellow, avoid partial heat dissipation, on the other hand can to heat preservation cover quick dismantlement.

The utility model relates to the technical field of decorative wallboard production, and discloses a printing wallboard texture three-dimensional presentation device which comprises an installation base, a transmission belt is arranged on the top of the inner side of the installation base, a positioning cover is fixedly connected to the top of the installation base, a transmission assembly is arranged on the inner side of the installation base, and an ink jet mechanism is arranged on the outer side of the positioning cover. The ink jet mechanism is used for improving ink jet uniformity, the middle of the inner side of the positioning cover is rotationally connected with a threaded column, the outer side of the threaded column is in threaded connection with a lifting plate, and the front side and the rear side of the interior of the lifting plate are both fixedly connected with air heaters. According to the printing device, the lifting plate moves up and down by rotating the threaded column, so that the telescopic plates on the two sides are driven to rotate, the rotation and stretching actions of the telescopic plates drive the circular block and the printing roller to move, pressure is applied to the printing roller, the force of the printing roller is adjusted, meanwhile, the tooth blocks on the transmission belt are tightly meshed with the tooth grooves, and transmission stability is ensured.

The utility model discloses a chipping cleaning device for metal processing, which comprises a working table, a fixing structure and a polishing structure are arranged on the working table, a cavity is arranged in the working table, an annular groove communicated with the cavity is arranged on the upper surface of the working table, a supporting column is arranged on the lower wall of the cavity, and the supporting column is arranged in the annular groove. The top end of the supporting column is installed on the upper wall of the cavity. The device is reasonable in structure and novel in design, during use, a metal part is fixed through a fixing structure, when an electromagnet penetrates out of the upper end of an annular groove, the effect of adsorbing scraps can be achieved, the electromagnet is powered on, a second motor works to drive a rotating shaft to rotate, then a stirring rod is driven to rotate, the scraps can be scattered through rotation of the stirring rod, and the service life of the metal part is prolonged. And moreover, waste chips on the edge can be close to the auger, the waste chips can be conveniently discharged, hot air can be injected into the cavity through the arranged air heater, the waste chips in the collecting box can be dried, follow-up waste chip treatment is facilitated, and the waste chips can be conveniently discharged.

The utility model provides a drying box for beef processing, and belongs to the technical field of beef processing. The induced draft fan and the air heater are fixed to the top and the bottom of the drying box respectively, the smoke pipe is fixed to an air outlet of the induced draft fan, the air inlet pipe is fixed to an air inlet of the air heater, an air inlet cover with holes is connected between the smoke pipe and the air inlet pipe, and a sealing disc is fixed to the interior of the smoke pipe. Through the arrangement of the sealing disc and the heat conduction smoke pipe, humid and hot airflow flows into the heat conduction smoke pipe through the sealing disc, external air enters from the air inlet cover with the holes and flows through the heat conduction smoke pipe, heat exchange between the air and the humid and hot airflow is achieved through the heat conduction smoke pipe, and recycling of heat in the humid and hot airflow is achieved; the air is heated and then enters the hot-air blower, the power consumption of the hot-air blower is reduced, meanwhile, heat in the drying box can be improved, and therefore the drying efficiency of the beef strips in the drying box is improved.

The utility model relates to the technical field of blended yarn spray cooling, in particular to a spray cooling device for blended yarn production, which comprises a cooling liquid box, the top surface of the cooling liquid box is fixedly connected with the bottom surface of a yarn drying box, a pump body is arranged on the side surface of the cooling liquid box, and an input pipe of the pump body extends into the cooling liquid box; the spray cooling device for blended yarn production has the advantages that hot air enters the air outlet plate by starting the high-pressure air heater, then the air outlet plate plays a role in guiding yarn wound on the surface of the yarn guide roller, meanwhile, the air outlet plate can dry the surface of the yarn wound on the surface of the yarn guide roller, and therefore the surface of the yarn wound on the surface of the yarn guide roller is dried. When the pump body is started, cooling liquid in the cooling liquid box is conveyed into the yarn guide roller through the supporting pipe body, so that the interior of the yarn guide roller is cooled, and the situation that due to the fact that the yarn guide roller is located in the yarn drying box for a long time, the surface temperature of the yarn guide roller is too high, and yarn wound on the surface of the yarn guide roller is scalded is avoided.

The invention relates to the technical field of temperature control. More specifically, the invention relates to a PTC air heater, comprising a heating module, an electric control board, a temperature control module, a temperature control module and a temperature control module, the negative copper bus bar is connected with the electric control board; the positive electrode copper bus bar is connected with the electric control board; the contact pin is connected with the electric control board; the positive electrodes of the two power interfaces are respectively connected with the positive electrode copper bus bar, and the negative electrodes of the two power interfaces are respectively connected with the negative electrode copper bus bar; and the communication interface is connected with the contact pin. The invention provides a PTC heating module and a PTC wind heater having the same, which can realize high power at low voltage.

The utility model discloses an ironing device with a protective structure for sock production, and relates to the technical field of sock production. The ironing device comprises a workbench, a driving motor is fixedly connected to the top of the workbench, an air heater is fixedly connected to the top of the workbench, and a protection assembly and an ironing assembly are fixedly connected to the top of the workbench; the two-way lead screw is used as a core transmission part, the motor drives the movable plates on the two sides to move synchronously in the reverse direction, when the protective sliding boxes on the two sides make contact, the compression characteristic of the spring plays a role, the protective sliding boxes smoothly slide on the outer wall of the air pipe, it is guaranteed that the ironing plate can be precisely attached to conduct ironing work, and after ironing is completed, the ironing plate is not prone to falling off. When the high-temperature ironing board is pressed, the movable board moves reversely, the spring quickly releases elastic force, the protective sliding box is pushed to quickly reset, the high-temperature ironing board is completely wrapped, and a closed-loop safety protection mechanism is formed in the process.

The utility model relates to the technical field of silver mirror production, and discloses a drying device for silver mirror production, which comprises a drying box and a plurality of heat dissipation grooves, a motor is fixed at the top of the drying box, a rotating shaft is fixed at the output shaft end of the motor, a placing plate I and a placing plate II are respectively fixed on the side wall of the rotating shaft, and two limiting grooves are respectively arranged on the placing plate I and the placing plate II. A plurality of through holes are formed in the limiting rods, the two ends of the limiting rods are sleeved with reset springs, limiting plates slide on the limiting rods, through grooves are formed in the first placement plate, a bearing plate is fixed to the side wall of the drying box, an air heater is fixed to the top of the bearing plate, and the air blowing end of the air heater communicates with an air blowing pipe; the other end of the air blowing pipe is communicated with a collecting pipe which is communicated with an air blowing opening. According to the utility model, the silver mirror is clamped through the cooperation of the limiting rod, the reset spring and the limiting plate, and the silver mirror is prevented from deviating due to the influence of wind power, so that the possibility that the silver mirror falls off is reduced, and the practicability of the device is improved.

The invention relates to the technical field of low-temperature liquefied hydrocarbon gasification, in particular to a system and method for normal-temperature storage and low-temperature C1-C4 liquefied hydrocarbon gasification. The system comprises a low-temperature liquefied hydrocarbon storage raw material tank, a low-temperature liquid booster pump, a liquefied hydrocarbon gasifier, a circulating air heater and a circulating fan which are sequentially connected through pipelines and necessary pipe fittings, and the circulating fan is connected with the liquefied hydrocarbon gasifier to form a low-temperature liquefied hydrocarbon gasification flow path and a circulating gas flow path. The low-temperature liquefied hydrocarbon gasification flow path is a flow path for heating and gasifying liquid hydrocarbon by the liquefied hydrocarbon gasifier to form gas hydrocarbon to an external production device; and the circulating gas flow path is a flow path through which circulating gas circulates between the liquefied hydrocarbon gasifier and the circulating air heater under the pressurization of the circulating fan. The system is safe, reliable, feasible in industrialization and stable in operation, the frosting problem of the air temperature type vaporizer can be effectively solved, the process is simple, and a heating medium is safe, environmentally friendly and easy to obtain.

The utility model relates to a mixing device for dyeing granular raw materials, which comprises a mounting base and a mixing bin, a driving motor and an air heater are arranged in the mounting base, and the driving motor is in driving connection with the mixing bin; a material containing cavity is formed in the mixing bin and is of an oblate structure, an air outlet of the air heater is located in the material containing cavity and faces the lower end of the material containing cavity, a material carrying plate is arranged on the side wall of the material containing cavity, and a center shaft of the material containing cavity and a driving shaft of the driving motor are coaxially arranged. An inclined included angle between a driving shaft of the driving motor and the horizontal plane is 30-45 degrees; a feed port is formed in the end, opposite to the end connected with the driving motor, of the mixing bin, a discharge port is formed in the side wall of the mixing bin, a cover plate is arranged on the discharge port, and the cover plate is detachably fixed to the discharge port. Compared with the prior art, the device has the advantages of uniform mixed dyeing, good coloring effect and the like.

The utility model provides a long dragon dish-washing machine controlled by a programmable logic controller (PLC), which belongs to the field of kitchen cleaning equipment and comprises a control system controlled by the PLC, and a pre-washing module, a main washing module, a spraying module and a drying module which are sequentially arranged along the conveying direction, the pre-washing module comprises a pre-washing pump M1, the main washing module comprises a main washing pump M2 and a water heater, and the spraying module comprises a spraying module and a drying module which are sequentially arranged along the conveying direction. The spraying module comprises a spraying pump M6 and an electric heater, the drying module comprises a drying fan M3 and an air heater, the control system controlled by the PLC comprises a PLC, a transformer BK, a relay K1, a relay K2, relays K4-K7 and a relay K11, and when the long dragon dish-washing machine works, dishes to be washed pass through the pre-washing module, the main washing module, the spraying module and the drying module in sequence in the conveying direction. The control system is controlled by a PLC, so that the control system is high in stability, reliability and flexibility and easy to maintain and expand.

The application discloses a linkage control system and method of an air conditioner and vehicle heating, wherein the air conditioner and a water circuit are connected through a heat exchanger; a temperature acquisition module is used to acquire the temperature of a driving area, the temperature of a passenger area and the water temperature in the water circuit after heat exchange through the heat exchanger; and a controller is used to control the driving area radiator fan and the passenger area radiator fan to open at low speed when the air conditioner is heating, the temperature of a certain area is less than or equal to the first set value of the area, and the water temperature in the water circuit is greater than the first temperature value; the controller is used to control the driving area radiator fan and the passenger area radiator fan to open at high speed when the temperature of a certain area is less than or equal to the first set value of the area, and the water temperature in the water circuit is greater than the second temperature value; the controller is used to control the working state of the driving area radiator fan and the passenger area radiator fan to remain unchanged when the temperature of a certain area is greater than the first set value of the area and less than or equal to the second set value of the area; and the controller is used to control the driving area radiator fan and the passenger area radiator fan to be closed when the temperature of a certain area is greater than the second set value of the area. The linkage control of the air conditioner and vehicle heating is realized.

The utility model discloses a freezing dryer for powder coating. The freezing dryer comprises a dryer body, an air conditioner, a vacuum pump, a discharging hopper, a control unit, a distributing device, a tray, a temperature measuring device and an air heater. An air cooler and an air heater are respectively arranged above the top and at the bottom of the machine body, and descending of cold air and ascending of hot air are respectively beneficial to freezing and drying processes; the distributor is arranged to uniformly distribute and spread the raw materials on the tray, so that the raw materials are prevented from being accumulated on the tray; a plurality of air holes are symmetrically and uniformly distributed on the tray at equal intervals to facilitate penetration of cold air and hot air; freezing and drying processes are accelerated, and efficiency is improved. The cold air port, the hot air port and the extraction opening of the vacuum pump are far away from the raw materials without blowing or extracting the raw materials; and a control unit is arranged to realize automatic control of freezing and drying. The utility model solves the problem that the process and time of respectively freezing and drying raw materials at the upper part and the lower part in the machine body are prolonged; meanwhile, blanking, freezing and drying are combined, and the process is optimized.

An aerosol-forming device configured to removably receive an aerosol-forming article (20) including an aerosol-forming substrate (23), the aerosol-forming article having a substantially rectangular parallelepiped shape defining two opposing main faces, the device comprising a heating chamber for removably and at least partially receiving the aerosol-forming article, the heating chamber defining an insertion direction and a convective air heater assembly arranged upstream of the heating chamber, the convective air heater including a resistive heater element (71) extending therein, the convective air heater being in fluidic connection with the heating chamber, wherein the convective air heater assembly includes two air heating channels (73) leading from each side of the aerosol-forming device to a central air channel, the central air channel leading fluidically to an air inlet of the aerosol-forming article, wherein the resistive heater element extends through the two air heating channels.

The utility model discloses a steam condensate cooling and recycling energy-saving system of an air heater in tobacco processing, and belongs to the technical field of tobacco processing. The steam condensate cooling and recycling energy-saving system of the air heater in tobacco processing comprises the air heater, a preheating unit and a recycling unit, a steam heat exchange cavity and an air conveying channel are arranged in the air heater, and the preheating unit comprises an air preheater and a first liquid discharging pipeline; one end of the first liquid discharge pipeline is communicated with an outlet of a steam heat exchange cavity of the air heater, the other end of the first liquid discharge pipeline is communicated with an inlet of a condensate water heat exchange cavity of the air preheater, and a drain valve is arranged on the first liquid discharge pipeline; the recycling unit comprises a condensate water recycling pipe and a water collecting tank, one end of the condensate water recycling pipe is communicated with an outlet of the condensate water heat exchange cavity of the air preheater, and the other end of the condensate water recycling pipe is communicated with the water collecting tank. According to the utility model, steam condensate water from the air heater can be reutilized, so that the energy-saving efficiency of the cigarette production line is improved.

The utility model belongs to the technical field of lunch box processing, and discloses a lunch box raw material drying and dehumidifying device which comprises a drying box and a drying and dehumidifying mechanism installed on the inner side of the drying box and used for lunch box raw materials, and the drying and dehumidifying mechanism comprises a motor installed in the center of the bottom of the inner side of the drying box and a supporting disc installed on the top of the output end of the motor. A transparent storage barrel is supported on the top of the supporting disc, a plurality of air holes are evenly formed in the side wall of the storage barrel, four drying lamps are installed on the inner wall of the drying box in a rectangular distribution mode, a top cover is hinged to one side of the top of the drying box, and an air heater is installed in the center of the bottom of the top cover. The output end of the air heater penetrates through the bottom of the top cover and extends to the position above the top cover. By means of the scheme, the problems that although an existing device can effectively dry and dehumidify meal box raw materials, the meal box raw material drying and dehumidifying effect is not uniform enough, and the efficiency is not high enough are solved.

The utility model discloses a low-temperature coal economizer system capable of being flexibly switched. The low-temperature coal economizer system capable of being flexibly switched comprises a condensation water pipeline, a low-temperature coal economizer high-temperature section, a low-temperature coal economizer low-temperature section and an air heater. The water inlet end and the water outlet end of the condensed water pipeline are connected with a water inlet main pipe and a water return main pipe correspondingly, and inlets of the low-temperature economizer high-temperature section and the low-temperature economizer low-temperature section are connected with inlet branch pipes which are arranged in parallel and provided with the inlet ends connected with the water inlet main pipe. Outlets of the low-temperature economizer high-temperature section and the low-temperature economizer low-temperature section are connected with outlet branch pipes which are arranged in parallel, and the outlet ends of the outlet branch pipes are connected with the water return main pipe. A series pipeline is connected between the outlet end of the low-temperature section of the low-temperature economizer and the inlet end of the high-temperature section of the low-temperature economizer; outlets of the low-temperature economizer high-temperature section and the low-temperature economizer low-temperature section are connected with air heater water inlet branch pipes which are connected with a water inlet pipeline of the air heater after being connected in parallel, and an air heater water outlet pipe is connected between the water outlet end of the air heater and the water return main pipe.