5997results about "Heating arrangement" patented technology

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 system (100) for optimizing fuel and energy consumption by an Electro-Deposition (ED) oven (114) of an automobile paint shop (108) is disclosed. The system (100) includes a digital twin (112) of the ED oven (114). The digital twin (112) is based on design parameters and operational data. The system (100) further includes an RL agent (202) that is configured to receive training and learn control strategies through interaction with at least environment models (112c) for generating policies. The RL agent (202) is further configured to output at least one policy including an optimal opening percentage of at least one gas damper and an optimal speed of at least one fan, which when implemented leads to savings in the fuel and energy consumption while maintaining at least effective metal temperature (EMT) of the coated automobile component (716) in a recommended range in the ED oven (114).

The utility model relates to a heating system for dehydrating and sintering a loose body, and the heating system comprises an isolation cylinder which is internally provided with a high-temperature heating area and is provided with a gas inlet, and the gas inlet is used for providing reaction gas for the high-temperature heating area; the rod feeding device is movably arranged in the axis direction of the isolation barrel and is used for moving the loose body to a high-temperature heating area in the isolation barrel; the first heater is arranged on the outer side of the isolation barrel and used for heating the isolation barrel to form a high-temperature heating area; and the second heater is arranged on the rod feeding device and faces one end of the loose body, and the second heater is used for heating the loose body. According to the technical scheme provided by the invention, the difference of geometric dimensions and optical characteristics of each part of the loose body after the dehydration and sintering process of the loose body can be reduced, and the quality of the optical fiber preform is improved.

The present invention belongs to the technical field of material dehydration, and particularly relates to a dehydration device for an urban waste biomass-based composite phase change material, which comprises a bracket. A roll press filter is installed on the bracket. The roll press filter includes two side plates, two pairs of driving rollers, two guide rollers, two filter belts with mesh holes, and a connecting frame. Two hollow brush barrels driven by a gear set are rotatably connected between the two side plates. The hollow brush barrels have bristles that contact the filter belts. A drying box is installed on the bracket, and a rotating spiral frame is arranged in the drying box. The material after being filter-pressed by the roll press filter enters the drying box for drying. The rotating spiral frame and the stirring rods make the material turn over. Under the action of the gear set, the rotating hollow brush barrels brush off the material on the filter belts through the bristles, reducing the adhesion of the material and ensuring the effect of subsequent filter-pressing of the filter belts on the material. The moving inclined plate reciprocates through a moving mechanism to break the material, reducing the stacking of the material and improving the drying effect.

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 discloses film laminating equipment, which comprises an unwinding mechanism, a film laminating mechanism, a film laminating mechanism and a film laminating mechanism, the gluing mechanism is used for uniformly coating glue on the surface of the spread iron plate of the iron roll in a roller coating or spray coating or blade coating mode; the heating box is arranged at an outlet of the gluing mechanism, and the iron plate directly enters the heating box after being glued; and the film covering mechanism is arranged at the outlet end of the heating box and is provided with an unwinding group, a film tearing group, a buffer roller group, a preheating pressing group, a cooling group and a winding group. The film laminating mechanism is tightly arranged at the outlet end of the heating box, rapid bearing of the iron plate is achieved through the buffer roller set, the iron plate conveying distance is greatly shortened, the iron plate enters the film laminating mechanism, the viscosity of an adhesive layer on the iron plate is activated through waste heat, power consumption of a preheating pressing set of the film laminating machine is reduced, and the preheating time is shortened; the gluing force of the iron plate and the colored film is improved, the production cost is greatly reduced, and efficient and energy-saving production is achieved.

A material drying and cooling integrated machine, comprising a heating module, a drying module, a dust removal filter module, a temperature-lowering and dehumidifying module, and a cooling module. Dry hot air generated in the heating module can enter the drying module to dry materials; the temperature-lowering and dehumidifying module can conduct temperature lowering and dehumidification on air entering the interior thereof so as to form dry cold air, and the dry cold air can enter the cooling module to cool materials in the cooling module; the dry hot air enters the drying module to dry the materials in the drying module, then damp hot air is formed, and part of the damp hot air can be heated by the heating module again; the other part of the damp hot air can sequentially pass through the dust removal filter module and the temperature-lowering and dehumidifying module, and dry cold air can be formed.

The invention provides a belt conveyor with a material cleaning function, and belongs to the technical field of belt conveyors. The belt conveyor comprises a conveying belt, a dustproof shell and a material guide plate. The dustproof shell comprises a material cleaning shell and a belt pressing shell; one end of the material cleaning shell is connected with one end of the belt pressing shell through a detachable structure, a mounting groove is formed between the other end of the material cleaning shell and the other end of the belt pressing shell, and the dustproof shell is detachably mounted on the return stroke section of the conveying belt through the mounting groove; the material guiding plate is obliquely arranged at one end of the material cleaning shell, one end of the material guiding plate extends to the position below one end of the conveying belt, and a discharging groove is formed in the end, provided with the material guiding plate, of the material cleaning shell; the belt pressing shell is installed between a feeding section and a return stroke section of the conveying belt, the material clearing shell is installed below the return stroke section of the conveying belt, a belt pressing roller is rotationally arranged in the belt pressing shell, and a material clearing mechanism is arranged in the material clearing shell. According to the belt conveyor with the material cleaning function, a material cleaning mechanism can be conveniently maintained and replaced.

The invention discloses a drying process for glass fiber partition plate processing, and relates to the technical field of glass fiber partition plate production, and the drying process comprises the following specific steps: S1, a raw material pretreatment stage; s2, pre-pressing forming is carried out; s3, primary drying; s4, secondary forming is carried out; s5, a deep drying stage; s6, high-temperature drying; s7, keeping at constant temperature; s8, segmented cooling is carried out; and S9, a post-treatment and detection stage. According to the drying process for processing the glass fiber partition plate, the mode of segmented heating preheating and segmented cooling is adopted, and the problems of heat waste and drying time prolonging caused by sudden temperature rise and sudden temperature drop in the traditional drying process are solved; by reasonably setting the temperature and the retention time of each temperature zone, the glass fiber partition plate can be dried more quickly and uniformly, the overall drying time is shortened by 20%-30%, and the production efficiency is greatly improved.

The invention belongs to the technical field of sludge treatment, and relates to a system for coupling sludge belt drying with a high-temperature water source heat pump. The system comprises a sludge belt-type drying chamber, wherein an air outlet and an air inlet are formed in the sludge belt-type drying chamber; the hot air circulating system at least comprises a first heat regenerator, a cooler and a heater which are connected in sequence, the first heat regenerator is connected with an air outlet of the sludge belt type drying chamber, and the heater is connected with an air inlet of the sludge belt type drying chamber; the high-temperature water source heat pump system is provided with an evaporator and a condenser which are sequentially connected, the evaporator is connected with a cooler of the hot air circulating system through a cooling water circulating pipeline, and the condenser is connected with a heater of the hot air circulating system through a hot water circulating pipeline. The waste heat of the cooling circulating water is utilized, energy conservation and carbon reduction are achieved, and the comprehensive benefits are remarkable.

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 invention discloses a polyamide intermittent deep drying system and method. The polyamide intermittent deep drying system comprises a boiling fluidized bed, a surface air cooler, a dehydrator, a heater and a vacuum rake dryer. The surface air cooler is connected with the top of the boiling fluidized bed, the dehydrator is connected with the surface air cooler, one end of the heater is connected with the dehydrator, and the other end of the heater is connected with the boiling fluidized bed; and the vacuum rake dryer is connected with a discharge hole of the boiling fluidized bed. The intermittent deep drying system for polyamide is more uniform and thorough in drying, avoids the phenomenon of material agglomeration, and has the advantages of simplicity and convenience in operation, high automation degree and the like.

Device for drying material for an asphalt mixing plant, the device (2, 3) comprising a rotary kiln (9) which can be driven to rotate about a rotational axis (19) and in which the material is dried, the rotary kiln (9) having a material inlet (10) and a material outlet (11), b. a heating unit coupled to the rotary kiln (9) for supplying heat to the rotary kiln (9), the heating unit being designed with a burner (12) having i. a burner housing (27) having a longitudinal axis (26), ii. an air line (16) arranged on the burner housing (27) for supplying air, wherein the air line (16) is arranged axially to the longitudinal axis (26) on the burner housing (27), iii. an air blower (29) arranged in the air line (16, 28), iv. a burner head (41) arranged on the burner housing (27) for generating a burner flame (13), v. a hydrogen gas line (14) connected to the burner (12) for supplying hydrogen gas into the burner (12), wherein a hydrogen gas nozzle (31) for discharging the hydrogen gas is connected to the hydrogen gas line (14), characterized in that c. the burner (12) is designed to be operated either exclusively by means of hydrogen gas or by means of hydrogen gas and secondary fuel, d. the burner (12) has a swirling element (35) for swirling the air in the burner (12) relative to the longitudinal axis (26), e. the swirling element (35) comprises a flow guide element in the burner housing (27), wherein the flow guide element is arranged immovably in the burner housing (27), f. the flow guide element is arranged concentrically to the longitudinal axis (26) and is designed as a baffle plate having a plurality of blades (53, 54) arranged in a circle with respect to the longitudinal axis (26) and oriented at an inclination, g. the heating unit comprises a hot gas generator (24) connected to the burner (12) which is connected to the rotary kiln (9) by means of a hot gas line (25).

The utility model relates to the technical field of electromagnetic heating, in particular to a graphite boat electromagnetic induction drying device. A graphite boat electromagnetic induction drying device comprises a drying container which is provided with an upper cover plate and a containing space; the lower heating assembly is arranged in the containing space, a graphite boat to be dried is suitable for being placed on the lower heating assembly, the lower heating assembly comprises an electromagnetic heating coil, and the electromagnetic heating coil is used for generating a high-frequency electromagnetic field to enable the graphite boat to be dried to generate heat energy. The graphite boat drying device solves the problems that an electric heating coil, an electric heating piece and the like can only heat in a certain area, so that a graphite boat outside the area needs to be dried through heat in air flow, and the drying efficiency is low.

The invention relates to a drying installation (1) for the continuous drying of a material in a moving belt (2). The installation comprises: - radiant or heating elements (6) burning gas, - a gas flow circulation system (8) configured to draw in combustion products generated by the radiant or heating elements (6). The gas flow circulation system (8) also includes an extraction duct (16) configured for venting at least a portion of the combustion products drawn in by the gas flow circulation system (8) from the installation (1).The installation (1) also includes a carbon monoxide and possibly nitrogen oxide treatment device (18), the treatment device (18) comprising an oxidation and possibly reduction catalyst (20) and being mounted on or downstream of said extraction line (16) in order to treat the carbon monoxide and possibly the nitrogen oxides contained in the combustion products. The installation (1) includes, in particular, a control means (22) configured to regulate the temperature of the catalyst (20) to a temperature greater than or equal to 130°C.

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.

A plant (1) for drying material for the production of asphalt comprises a drying unit (2) for drying mineral and / or recycled asphalt, b. a heating unit connected to the drying unit (2), which comprises a hydrogen burner (4), a hydrogen source (13, 20, 21, 22) for providing hydrogen gas and a pressure control line (14) connecting the hydrogen source (13, 20, 21, 22) and the hydrogen burner (4), wherein the pressure control line (14) has a processing pressure reducer (34) which is connected to the hydrogen burner (4) and for providing the hydrogen gas at processing pressure (p V ) and for multi-stage pressure relief of the hydrogen gas, a low-pressure reducer (28) and / or a high-pressure reducer (26).

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 invention relates to the technical field of plate surface heating, in particular to a heat exchange roller with high heat exchange efficiency, which comprises a contact cylinder, a sealing plate, an oil inlet and an oil outlet, and further comprises a buffer structure and an oil way dispersion structure, the oil way dispersing structure is arranged between the contact cylinder and the buffering structure and used for evenly distributing heating oil on the inner wall of the contact cylinder. The problems that when an existing oil heat exchange roller is used, the heating efficiency is low, and the temperature difference of the outer side wall of the heat exchange roller is large and unstable are effectively solved. The heat exchange roller adopts the dispersion flow channel composed of the inner cylinder, the boundary plate, the flow guide plate and the through holes, heating oil in the heat exchange roller can be dispersed, the dynamic balance error is smaller when the roller is started or stopped, through the design of the flow channel on the inner side of the contact cylinder, inlet oil and outlet oil are tightly attached to the inner wall of the contact cylinder to exchange heat in a countercurrent mode, and the heat exchange efficiency is improved. The heat transfer efficiency of oil and the contact cylinder is improved, and meanwhile the temperature of the roller wall is more uniform.

Apparatus (1) for the heat treatment of articles, comprising a longitudinal casing (2), a convection tunnel furnace (3) positioned longitudinally within the casing (2) comprising a circuit for the production and forced circulation of hot air through said furnace (3), a plurality of stackable trays (4) where the articles can be housed, a conveyor (50) configured to transport at least one row of stacks of the stackable trays (4) through the furnace (3), a first thermal stabilization chamber (51) for the stacks of trays (4) with the articles to be treated communicating with an entrance door (31) of the furnace (3) and a second thermal stabilization chamber (52) for the stacks of trays (4) with the treated articles communicating with an exit door (32) of the furnace (3), comprising means for forced air suction (200) at least from the second thermal stabilization chamber (52) and means for recovery and introduction (210) of the suctioned air inside the furnace (3).

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 invention relates to the technical field of spreading devices, and discloses a medicament spreading device for conditioning heavy metals in coal gangue, which comprises a base frame, moving wheels mounted at the front and rear ends of the base frame, a drying cylinder connected to the left side of the top of the base frame, a support frame connected to the center of the top of the base frame, and a treatment box connected to the upper end of the support frame, a material guide pipe is communicated between the treatment box and the drying cylinder, the right end of the treatment box is connected with a liquid medicine box, a mixing box is arranged below the liquid medicine box, the right end of the liquid medicine box is connected with a first bearing seat, a stirring shaft is rotationally connected into the first bearing seat, and the end, extending into the mixing box, of the stirring shaft is connected with an impeller; the device is reasonable in structural design, pretreatment of the coal gangue can be effectively completed, harmful heavy metal in the coal gangue is converted into a fixed state from a free state through a passivation agent, the path of the heavy metal entering a food chain is cut off, discharged coal gangue materials can be flattened through a pressing plate, and secondary utilization of the coal gangue is facilitated.

The utility model discloses polyethylene product processing equipment and a drying device, and the drying device comprises at least two stages of drying boxes; the drying hot roller set comprises a first drying hot roller set arranged at the front end of the first-stage drying box and a second drying hot roller set arranged at the rear end of the first-stage drying box; the traction roller sets are arranged between every two adjacent stages of drying boxes; the heating device is mounted in the drying box; an object to be dried bypasses the first drying hot roller set, then enters the first-stage drying box, is led out of the first-stage drying box through the second drying hot roller set, then enters the next-stage drying box through the traction roller set, passes through the last-stage drying box and then is led out through a guide roller. By means of the multi-stage drying boxes arranged in a hierarchical mode, multi-stage drying is achieved, and the drying efficiency and the drying effect of tows or films to be dried are improved.

The utility model discloses a kaolin fine grinding and drying device. A grinding mechanism is used for finely grinding kaolin; the grinding device comprises a grinding box, and supporting legs are fixedly arranged on the bottom face of the grinding box; the scattering mechanism is arranged above the grinding mechanism; the feeding mechanism is arranged on the top surface of the scattering mechanism; the first drying mechanism is arranged in the scattering mechanism; the discharging mechanism is arranged between the scattering mechanism and the grinding mechanism; and the second drying mechanism is arranged in the grinding mechanism. According to the kaolin fine grinding and drying device disclosed by the utility model, kaolin is firstly scattered, cut up and dried, then is finely ground and then is dried for the second time, so that the grinding effect is good, and the drying effect is good.

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.