3488results about "Heating arrangement" patented technology

The invention belongs to the technical field of Tibetan medicinal material processing, and particularly relates to a Tibetan medicinal material vacuum freeze-drying process which comprises the following steps: feeding a loading tray into a freeze-drying bin, and cooling at a speed of 1-2 DEG C / min; when the center temperature of the material reaches-35 DEG C, maintaining for 2-4 hours; a vacuum system is started, and the pressure in the bin is reduced to 10-30 Pa; the initial temperature of the heating plate is set to be-10 DEG C to 10 DEG C; real-time monitoring is carried out through an array type sensor network; vacuum breaking operation; through accurate perception, intelligent diagnosis, robust decision making and self-adaptive regulation and control, the quality problems of collapse, coking, active ingredient degradation and the like of the medicinal materials in the drying process can be effectively prevented, and high quality and high uniformity of a final product are ensured. Meanwhile, by optimizing a drying path, unnecessary energy consumption and time waste are avoided, the economic benefit of the whole production process is improved, and the method is particularly suitable for modern processing of precious Tibetan medicinal materials with extremely high quality requirements.

The invention relates to the field of uranium concentration, and discloses an energy-saving device and method for drying a first-batch centrifugal unit. According to the device, an inlet of a centrifugal machine is connected with an outlet of an evaporator through a pipeline provided with a fourth cooling valve and an eighth cooling valve and is connected to the secondary side of a cooling plate heat exchanger and the secondary side of a heating plate heat exchanger respectively; an outlet of the centrifugal machine is connected with an inlet of the evaporator through a sixth cold valve, a first cold valve and a second water pump. An inlet of the sixth cold valve is connected with the secondary side of the heat supply plate heat exchanger through a first water pump. The primary side of the cold supply plate heat exchanger is connected with a newly-built cooling tower loop, and the primary side of the heat supply plate heat exchanger, the condenser and the newly-built cooling tower form circulation. By optimizing system connection and a heat energy circulation path, the energy utilization efficiency and the equipment utilization rate are effectively improved, and the investment and operation cost is remarkably reduced.

Methods and apparatuses for drying electronic devices are disclosed. An exemplary method comprises: initiating a drying operation in a drying apparatus comprising: generating a first air flow through a first air channel, routing, a moisture from an electronic device to a moisture-absorbing apparatus, absorbing, using the moisture-absorbing apparatus, the moisture from the electronic device, determining a first humidity and a second humidity, executing, based on the first humidity and the second humidity, a first computing operation, exhausting the first air flow to an exterior of the drying apparatus, determining a third humidity, and executing, based on the third humidity, a second computing operation.

The invention belongs to the field of food drying processing, and particularly relates to a high-quality food drying device and method based on low temperature and negative pressure, a high-temperature heat pump system is used for providing heat in the drying process, supplementing heat taken away by water loss and maintaining the temperature of goods in a proper range. And the water catching system is used for condensing and intensively discharging water vapor generated by drying. And the negative pressure drying system is used for placing dried goods and providing a negative pressure environment to accelerate the drying speed. The pressure in the drying box is reduced to below the saturated vapor pressure corresponding to the moisture contained in the goods through the vacuum pump, heat is generated through the high-temperature heat pump system and conveyed to the flat plate radiation heat exchangers of the negative-pressure drying system to maintain the goods at the set temperature, and finally low-temperature rapid cooling of the goods is achieved. The low pressure is utilized to reduce the gasification temperature of water contained in food, and low-temperature heating is matched to quickly dry the food at low temperature, so that low-loss food nutrition drying is realized.

The invention discloses an automatic processing device for the surface of a large workpiece, comprising: a frame composed of a first cross bar, a second cross bar and two vertical bars, the first cross bar and the second cross bar are arranged in parallel and located between the two vertical bars, and two ends of the first cross bar and the second cross bar are respectively connected with the two vertical bars; the function integration mechanism is arranged on the rack, is connected with the first cross rod and is used for ascending or descending the target spray head to a target position, driving the target spray head to move by a first stroke from the target position in the axis direction of the first cross rod and performing process treatment on the surface of the target workpiece; the target position represents that the distance condition between the target nozzle and the target workpiece is met; the first stroke is related to the length parameter of the target workpiece; and the heating mechanism is arranged on the rack, connected with the second transverse rod and used for heating the surface of the target workpiece, and the heating time is related to the type of technological treatment. Meanwhile, the invention further discloses an automatic treatment system and method for the surface of the large workpiece.

The description herein discloses a heat treatment furnace that performs heat treatment efficiently on a treatment-target object conveyed on a conveying path defined by a plurality of guide rollers. This heat treatment furnace includes a furnace body, a conveyor device configured to convey a treatment-target object from a conveying inlet to a conveying outlet through a treatment chamber, a plurality of guide rollers disposed in the treatment chamber, and a heating device disposed in the treatment chamber and configured to heat the treatment-target object. The heating device includes first heaters, each of which is disposed inside and / or near its corresponding one of the plurality of guide rollers and configured to heat the treatment-target object. The heating device further includes second heaters each disposed on the conveying path of the treatment-target object near an intermediate position between its corresponding guide rollers that are adjacent in a conveying direction and configured to heat the treatment-target object. The second heaters are each a heater configured to emit electromagnetic waves in an infrared region.

The utility model provides a spinneret plate full-automatic integrated cleaning device which comprises a machine frame, the longitudinal section of the side of the machine frame is in an L shape, a station table is arranged on the front side of the machine frame, a machine cavity is arranged on the rear side of the machine frame, and the station table is sequentially provided with a feeding station, a cleaning station, a hot air water cutting station, a baking station and a discharging station from feeding to discharging. A transplanting mechanism is arranged on the position table on the front side face of the rack, an electric control cabinet is arranged on one side of the rack, a water supply tank, a water pump, a filter tank, an air blower, a vacuum pump and an infrared heater are sequentially arranged in the machine cavity from the feeding side to the discharging side, the water pump is communicated with the water supply tank through a water pipe, and the filter tank is communicated with the air blower through an air pipe. The feeding station, the cleaning station, the wind cutting station, the drying station, the discharging station and the like are arranged on the cleaning machine, the jig plate is moved through the transplanting mechanism, automation of material flowing among the stations on the whole equipment is achieved, and the automatic feeding and discharging process can be achieved through the arrangement of the skip car and the feeding and discharging mechanism.

The invention relates to equipment for preparing clobetasol propionate liniment and a preparation method of the clobetasol propionate liniment. The equipment comprises a material mixing mechanism, a barrel, a stirring shaft rotationally arranged on the barrel, stirring blades for stirring substances, a partition plate for separating the interior of the barrel, a crystallization rod for cooling materials and a drying mechanism for drying the substances. Wherein the stirring blades are fixedly arranged around the stirring shaft, and the stirring blades at the bottom are arranged around the stirring shaft in a swinging manner; the partition plate is movably arranged in the barrel around the stirring shaft; the crystallization rod is movably arranged at the bottom of the barrel; the drying mechanism communicates with the bottom of the barrel; the drying mechanism is communicated with the mixing mechanism; the partition plate is arranged between the fixed first ring frame and the rotary second ring frame; the partition plate is connected with the first ring frame and the second ring frame. The second ring frame rotates to drive the partition plate to open or separate the cylinder. The preparation method solves the problem that the preparation efficiency of clobetasol propionate is affected due to more preparation equipment caused by complex process steps in the clobetasol propionate liniment preparation process in the existing scheme.

The application discloses a preparation device for regenerated colored lycra fabric fibers, belongs to the technical field of clothing fiber recycling equipment, and solves the problems of low impurity removal rate, poor cutting effect and low efficiency in the prior art. The device comprises a conveying device, which is used for feeding materials and conveying the materials into a cleaning device. The cleaning device is used for cleaning the materials. A recycling device is used for recycling the materials. The cleaning device is arranged below the output end of the conveying device. The recycling device is arranged at the side of the cleaning device. A transfer device is further arranged above the cleaning device and the recycling device. The application cleans the materials in the basket through the cleaning device, effectively removes dust and other impurities on the materials, improves the quality of material recycling, and increases work efficiency. The material is dried in the drying device first, and then cut and crushed for recycling, so that the cutting effect is ensured and the work efficiency is high.

The utility model relates to the technical field of tungsten filament drawing processing, and discloses a tungsten filament drying and preheating mechanism which comprises a box body with an opening at the upper end, a cover body is arranged at the opening of the box body, and a plurality of heating components distributed in parallel are arranged in the box body; the heating assembly comprises a heat conduction pipe and a plurality of electric heating pipes arranged in the heat conduction pipe, the cross section of the heat conduction pipe is of a C-shaped structure, a wire inlet notch is formed in the upper side of the heat conduction pipe, a C-shaped cavity penetrating through the two ends is formed in the heat conduction pipe, end covers are arranged at the two ends of the C-shaped cavity, the electric heating pipes are arranged in the C-shaped cavity, and the two ends of each electric heating pipe are connected with the end covers respectively; and avoiding gaps are formed in positions, corresponding to the two ends of the heat conduction pipe, on the box body. The heating device has the advantages of being convenient to use and stable and even in heating.

The invention relates to the technical field of heat pump drying control, and discloses a dynamic identification control method of a closed heat pump drying system based on waste heat recovery. The method comprises the following steps: establishing a multi-level parameter monitoring network by arranging a sensor array, and continuously collecting system operation parameters to form time sequence data; constructing a waste heat distribution characteristic spectrum, and mapping the collected parameters to a thermodynamic state space to identify a coupling relationship among the parameters; analyzing a heat transfer path to determine a key control variable, and establishing a dynamic weight adjustment mechanism to generate a parameter priority sequence; and a multi-target coordination control strategy is made based on the sequence and the real-time operation state, and an actuator control instruction is output. According to the method, through global energy state recognition and dynamic priority adjustment, adaptive optimization operation of the system under different working conditions is realized, and the energy utilization efficiency and the control quality are improved.

According to the technical scheme, the kitchen garbage dehydration device is characterized by comprising a shell, the top face of the shell is connected with a feeding box, a treatment groove is formed in the shell, and the interior of the treatment groove is connected with a treatment box; the feeding pipe is connected to the interior of the feeding box, and the other end of the feeding pipe is connected to the interior of the processing box; the dewatering assembly is arranged in the shell and used for dewatering kitchen garbage, the dewatering assembly comprises an air cylinder, the air cylinder is connected to the top face of the shell, a telescopic shaft of the air cylinder extends to the treatment box, one end of the telescopic shaft of the air cylinder is connected with an extrusion block, and a discharging opening is formed in one side of the treatment box. Garbage enters the treatment box through the feeding pipe, the air cylinder is started, the extrusion block is pushed through the telescopic shaft of the air cylinder, the garbage is extruded through the extrusion block, water in the garbage is discharged, and the purpose of garbage dehydration is achieved.

The invention discloses a humidity response type rock-soil body low-temperature internal circulation drying device and a control method, and belongs to the technical field of geotechnical engineering experiment equipment. The problems that traditional rock-soil body drying equipment is extensive in humidity control, high in energy consumption, inconvenient to maintain and obvious in temperature difference are solved, and accurate, energy-saving and efficient drying treatment of water-containing rock-soil samples is achieved. According to the invention, a plurality of groups of regulation and control modules are independently arranged, and differential humidity control of rock and soil samples with different water contents is realized through a high-precision humidity sensor and a speed-adjustable dehumidification fan; a closed-loop internal circulation design is adopted, and a heat recovery device is combined, so that introduction of external air is reduced, and energy consumption is reduced; a modular detachable structure is designed, so that parts such as a dehumidification module can be conveniently and quickly replaced, and the maintenance convenience is improved; a multi-heat-source auxiliary system is additionally arranged to eliminate heat dead angles in the box; the device is mainly used for efficient, accurate and environment-friendly drying treatment of rock and soil samples in geotechnical engineering experiments, the drying uniformity can be remarkably improved, the energy consumption and the maintenance cost are reduced, and the device has high applicability and practical value.

The invention discloses a low-carbon energy-saving superfine grinding system for nut powder processing, which relates to the technical field of nut processing equipment and comprises seven modules: a raw material pretreatment module is used for removing impurities through bubble cleaning and adjusting time through waste heat drying; the multi-stage superfine grinding module adopts three vertical series-connection units and is provided with a flow guide channel and a heat preservation grinding cavity; the low-carbon energy-saving driving module takes a high-efficiency motor as power, and can adjust the rotating speed and recycle kinetic energy to store electricity; the intelligent grading screening module integrates airflow and vibration screening, and substandard particles flow back and are reground; the waste heat recycling module absorbs grinding waste heat for drying; the intelligent control system collects parameters through a sensor and supports operation monitoring; and the dust recovery and purification module is subjected to two-stage dust removal, dust backflow and peculiar smell removal. The low-carbon and energy-saving performance is enhanced, energy consumption is greatly reduced through waste heat and energy recovery, the particle size uniformity of products is improved through multi-stage grinding and precise classification, and the nut powder production requirements of different scales are met.

The utility model belongs to the technical field of glass fiber production equipment, and particularly relates to a tunnel type continuous drying furnace with vacuum cavity microwaves and a drying process of the tunnel type continuous drying furnace. The tunnel type continuous drying furnace with the vacuum cavity microwaves comprises a heating vaporization area. A microwave preheating area and a microwave drying area are technologically connected before and after the heating vaporization area; the heating vaporization area is used for mildly drying the moisture at the superficial part of the yarn roll so that the microwave drying area does not generate the rising of the yarn roll, and the microwave drying area is used for efficiently drying the blocked moisture in the yarn roll through vacuum microwaves. According to the combined drying process of vacuum microwave preheating, hot air circulation heating vaporization, vacuum microwave drying and hot air circulation heat preservation curing film forming, suitable drying modes and circulation modes can be configured in different drying stages according to the physical and chemical change rule of the glass fiber yarn in the drying process; the drying process can be optimized, and the quality of finished yarn balls is improved; the drying time is shortened, and the equipment power consumption is reduced; meanwhile, the space occupancy rate of equipment can be reduced, and the basic investment cost is saved.

The utility model discloses super-strong steel chemical degreasing powder drying equipment, and relates to the technical field of drying equipment. The device comprises a drying assembly, and an inner cavity of the drying assembly is fixedly connected with a mixing assembly. The heating blocks embedded in the inner wall of the drying box are distributed in an annular array mode, oil removing powder in the drying box can be heated in a full-surrounding mode, compared with traditional bottom or single-side heating, the uniformity of a temperature field in the box is remarkably improved, and the problem of component decomposition or low-temperature caking caused by local overheating is solved; when the planetary gear stirring piece drives the auxiliary stirring rod to revolve around the first transmission shaft, rotation is achieved through meshing of the driven gear and the driving gear ring, and a three-dimensional stirring track of revolution and rotation is formed; the up-down reciprocating piece pushes the main stirring rod to do periodic up-down motion through the cam, so that materials are subjected to transverse shearing mixing and longitudinal stirring in the drying process, the material accumulation dead angle is effectively broken, and the heat exchange efficiency is improved.

Methods and apparatuses for drying electronic devices are disclosed. An exemplary method comprises: initiating a drying operation in a drying apparatus comprising: generating a first air flow through a first air channel, routing, a moisture from an electronic device to a moisture-absorbing apparatus, absorbing, using the moisture-absorbing apparatus, the moisture from the electronic device, determining a first humidity and a second humidity, executing, based on the first humidity and the second humidity, a first computing operation, exhausting the first air flow to an exterior of the drying apparatus, determining a third humidity, and executing, based on the third humidity, a second computing operation.

The utility model relates to the technical field of drying and energy saving, and particularly discloses a cobalt nickel hydroxide or cobalt hydroxide drying system based on waste heat steam utilization, which comprises a mixing device, a steam rotary drying device, a dust removal device and a spray washing device which are connected in sequence, steam in the upstream flash evaporation process is subjected to deacidification treatment and then is introduced into a heat exchange tube bundle of the steam rotary drying device to serve as a heat source; the discharging end of the steam rotary drying device is respectively connected with a discharging branch and a material returning loop through a discharging screw; the material returning loop is connected to one feeding hole of the material mixing device, and the other feeding hole of the material mixing device is connected with a nickel cobalt hydroxide or cobalt hydroxide wet material conveying device. An indirect heat exchange mode is adopted, only a small amount of hot air is needed to serve as moisture-carrying gas, the tail gas amount is greatly reduced, meanwhile, damage to materials caused by direct contact with high-temperature hot air in a traditional drying mode is avoided, the physical property of the materials can be kept, and the particle size and quality of products are improved.

A system and method for an intelligent hair drying / styling apparatus with user information transmission and storage capabilities is herein provided. The hair drying / styling apparatus houses a control circuit board and an infrared or temperature sensor (or camera) in order detect an individual's hair condition moisture level to determine a user specific, customizable dryer setting. The information detected by the sensor is stored locally, on a proximal Internet-enabled device, or on a remote or cloud-based server and accessed by the hair drying / styling apparatus through a wireless local area network connectivity function. This innovation will enable any number of hair professionals and or end consumers to improve styling and dry time. According to the present invention, energy usage is reduced to enable a more efficient design.

A flame protection device (41) for a burner (3) is arranged in a drying drum (2) and has a central longitudinal axis (7) and several lamellae (9) which are arranged in a circumferential arrangement (40) in the circumferential direction (10) with respect to the central longitudinal axis (7), wherein an outer surface (42) of the circumferential arrangement (40) facing away from the central longitudinal axis (7) is formed without radial projections.

The invention discloses a drying device for enoxaparin sodium production, and relates to the technical field of biological production drying tools. Comprising a body, three sets of supporting legs are installed on the periphery of the body, and a first motor is installed in the center of the top end of the body; through cooperation of the first motor and the stirring mechanism, the enoxaparin sodium material in the main body can be uniformly stirred by the double-helical-ribbon stirring blade, and meanwhile, the telescopic plate is matched with the spring, so that the scraping plate can be freely adjusted according to the actual condition of the inner wall of the main body, and the scraping plate is prevented from being abraded when enoxaparin sodium enoxaparin sodium enoxaparin sodium enoxaparin sodium enoxaparin sodium enoxaparin sodium enoxaparin sodium is dried; through cooperation of the microbubble assembly and the aeration pipe, the water removal efficiency is improved, and then the deep drying function can be achieved; through cooperation of a drainage ring and a second motor, the operation convenience is improved, and then the function of timely drainage of water in the drying process can be achieved; and through cooperation of an electric push rod, a first limiting block and a second limiting block, the production continuity is improved, and then the function of efficiently collecting the dried materials can be achieved.

The invention provides a burner apparatus comprising:a combustion chamber (8);a fuel dispenser (15, 16) arranged to direct a flow of fuel into the combustion chamber (8), the fuel dispenser (15, 16) being located at an upstream end of the combustion chamber and being connected or connectable to a fuel supply;an airflow modifier device (10), located at an upstream end of the combustion chamber, for controlling a primary air flow into the combustion chamber (8), the airflow modifier device (10) being configured to facilitate mixing of the air with the fuel to give a mixture for combustion; andone or more secondary air channels (24) for directing a cooling secondary air flow onto a stream of combustion products (e.g. flame) as the stream of combustion products emerges from a downstream end of the combustion chamber.Also provided are a dryer apparatus comprising a burner apparatus as described herein and a method of drying aggregates using a burner apparatus as described herein.

According to embodiments, a modified freeze-drying apparatus and methods of use are provided herein for providing variable power heating for precise control of material temperatures during freeze-drying. The apparatus may provide a vacuum pump and variable current heater trays for receiving the material, freezing the material, creating a vacuum, progressively increasing the heater tray temperature without causing temperature cycling, deactivating the tray heater, repressurizing the apparatus, and removing the freeze-dried material.

The invention relates to cleaning equipment for a fuel oil injection pipe, the cleaning equipment comprises a cleaning table, a cleaning cavity is formed in the middle position of the top of the cleaning table, and supporting frames are installed at the tops of the two ends of the cleaning table. A first electric telescopic rod in the cleaning assembly drives a first cleaning brush and a second cleaning brush to synchronously brush the inner wall and the outer wall of the fuel oil injection pipe body, and a movable pipe in the flushing assembly is matched to drive a nozzle to flush the fuel oil injection pipe body, so that oil stains and impurities are effectively removed; and a heating rod, an upper heating cover and a lower heating cover in the drying assembly are combined to efficiently dry the cleaned fuel injection oil pipe body, it is ensured that the interior of the oil pipe is dry and free of residues, and secondary pollution is avoided.

The utility model discloses a fermented bacterial fertilizer preparation device, and belongs to the technical field of bacterial fertilizer preparation. The preparation device comprises a bottom plate, a mounting frame fixedly mounted at the top of the bottom plate, a storage box slidably mounted on the mounting frame and used for storing bacterial manure, a conveying table fixedly mounted at the top of the bottom plate and a conveying belt arranged on the conveying table. The drying chamber is fixedly installed at the top of the conveying table, the electric heating pipe is fixedly installed in the drying chamber and used for drying bacterial manure, a discharging mechanism used for discharging the bacterial manure is arranged in the storage box, and the discharging mechanism comprises a guide plate fixedly installed in the storage box and a moving plate installed in the storage box in a sliding mode; through cooperative use of the devices, the bacterial fertilizer can fall onto the conveying table through the storage box, the conveying belt on the conveying table can drive the bacterial fertilizer to enter the drying chamber to be dried, meanwhile, the bacterial fertilizer can be driven to be separated from the device after drying is completed, and the burden of workers is relieved.

The invention relates to the technical field of weighing devices, and particularly discloses an automatic weighing device for measuring meat rabbit feed consumption, which comprises an equipment base, an electronic scale is fixedly connected to the top of the equipment base, and a feeding device is fixedly connected to the part, located on one side of the electronic scale, of the top of the equipment base. A containing barrel is slidably connected to the top of the feeding device, an air draft device is fixedly connected to the position, located above the containing barrel, of the top of the equipment base through a support, an arc-shaped support is fixedly connected to the top of the feeding support, and an adjusting assembly is fixedly connected to the bottom of the straight guide groove. The end, away from the straight guide groove, of the adjusting assembly is fixedly connected with a driving shaft of a first motor, the feeding support is slidably connected with the side face of the containing barrel through an arc-shaped support, and the automatic weighing device for meat rabbit feed consumption measurement achieves the purposes of easily quantifying and removing excessive water.

The invention relates to the technical field of intelligent glasses, and discloses a demisting method and device, intelligent glasses and a storage medium, the method is applied to the intelligent glasses provided with a humidity acquisition part, a first temperature acquisition part and a heating part, and the heating part is used for heating lenses of the intelligent glasses; the method comprises the steps that real-time environment humidity is collected through a humidity collection part, and real-time environment temperature is collected through a first temperature collection part; determining a target heating temperature according to the real-time environment humidity and the real-time environment temperature; and heating the lens through the heating component according to the target heating temperature. The target heating temperature for keeping the lens not fogging is determined by collecting the environment humidity and the environment temperature in real time, and the lens is heated through the heating component, so that the temperature of the lens is increased to the target heating temperature, the lens is not fogged, and the automatic demisting effect is achieved.

A system and method for an intelligent hair drying / styling apparatus with user information transmission and storage capabilities is herein provided. The hair drying / styling apparatus houses a control circuit board and an infrared or temperature sensor (or camera) in order detect an individual's hair condition moisture level to determine a user specific, customizable dryer setting. The information detected by the sensor is stored locally, on a proximal Internet-enabled device, or on a remote or cloud-based server and accessed by the hair drying / styling apparatus through a wireless local area network connectivity function. This innovation will enable any number of hair professionals and or end consumers to improve styling and dry time. According to the present invention, energy usage is reduced to enable a more efficient design.

The utility model belongs to the technical field of beef processing equipment, and particularly relates to a beef jerky drying device which aims at solving the problems that existing equipment is uneven in drying, high in energy consumption, single in function, low in space utilization rate and the like and comprises a drying tank, a hot air circulating pipeline, an adsorption drying tower and a suspension rotating assembly. The suspension rotating assembly drives the multi-layer mesh suspension disc to revolve and rotate at the same time through a planetary gear transmission structure of a revolution rotating shaft and a rotation rotating rod, and hot air is dehumidified and regenerated through the adsorption drying tower, then is sprayed in a multi-angle mode through a bent ventilation pipe on the inner wall of the tank and forms a composite heating field with an infrared radiation plate at the bottom of the tank. According to the utility model, the beef can receive hot air and infrared radiation at 360 degrees without dead angles through the suspension rotating assembly capable of simultaneously realizing revolution and autorotation; a multi-dimensional heating system is formed by the bent breather pipe and the infrared radiant panel, so that the heating efficiency and uniformity are improved; dehumidification and heat energy recovery of waste gas are achieved through the adsorption drying tower and the drying agent regeneration unit.

The utility model discloses a cloth drying device, which belongs to the technical field of cloth production and processing and comprises a supporting device, a drying and dehumidifying device and an adjusting and flattening device, and the drying and dehumidifying device used for drying and dehumidifying cloth and the adjusting and flattening device used for guaranteeing flattening output of the cloth are mounted on the supporting device. The drying and dehumidifying device comprises a drying assembly used for drying and an air return assembly used for forming a circulating air channel to bring out moisture. The drying assembly is installed on the inner side of the supporting device and connected with the adjusting and flattening device. The air return assembly comprises a mounting frame, an air blowing component, an air blocking frame and a hot air dehumidifier. By means of the mode, the air blowing component and the hot air dehumidifier are matched with the drying assembly to form a hot air loop for circulating dehumidification, cloth can be evenly and rapidly dried, meanwhile, moisture is discharged, the cloth drying effect is good, resources are saved through synchronous recovery of hot air, and resource waste is avoided.