47 results about "Dry heating" patented technology

The invention provides an anti-dry-burning control method of an evaporator and cooking equipment, and relates to the technical field of smart home, the method comprises the following steps: monitoring a temperature parameter of the evaporator through a temperature sensor in response to a starting operation for the evaporator; calculating a slope parameter corresponding to the temperature parameter; the working state of the evaporator is determined according to the temperature parameter and the slope parameter; and determining a water supplementing strategy of the evaporator based on the working state. According to the anti-dry-burning control method for the evaporator and the cooking equipment, the starting operation for the evaporator can be responded, and the temperature parameter of the evaporator is monitored through the temperature sensor; calculating a slope parameter corresponding to the temperature parameter; the working state of the evaporator is determined according to the temperature number and the slope parameter; the water supplementing strategy of the evaporator is determined on the basis of the working state, so that water can be supplemented to the evaporator in time in the corresponding working state, the phenomenon of dry burning of the evaporator is avoided, and the reliability requirement of cooking equipment such as a steaming oven for dry burning prevention is met.

This invention discloses a device for preventing dry burning and overflow, comprising a base in contact with a pot lid, a measuring and control device disposed on the base for detecting the internal temperature of the pot, and a pair of conductive rings disposed on the edge of the pot lid for contacting the conductive medium inside the pot when overflow occurs. The conductive rings are electrically connected to the measuring and control device. This invention's device for preventing dry burning and overflow has high accuracy in preventing dry burning and overflow, and can issue an alarm signal to cut off the heat source when dry burning or overflow is about to occur or at the initial stage of dry burning or overflow. It has a simple structure and reliable technology.

The invention discloses an electronic atomization device and a control method thereof.The electronic atomization device comprises a shell assembly and at least two atomization assemblies, the shell assembly comprises an inner shell with an airflow channel and a base, and the airflow channel comprises an airflow outlet section and at least two atomization channel sections; the at least two atomization channel sections are in one-to-one correspondence with the at least two atomization assemblies, one ends of all the atomization channel sections are converged and communicated at the airflow outlet section, and one end, far away from the airflow outlet section, of each atomization channel section is correspondingly provided with one atomization assembly; the base is arranged at the end, away from the airflow outlet section, of the inner shell. The inner wall of the inner shell, the base and the outer walls of all the atomization channel sections define a liquid storage cavity. All the atomization assemblies are further in liquid communication with the liquid storage cavity so as to heat and atomize the liquid in the liquid storage cavity to form aerosol. According to the technical scheme, the problems of waste of liquid in the liquid storage cavity or burnt smell caused by dry heating of the heating body can be avoided as much as possible, and the use experience of a user is improved.

The utility model belongs to the technical field of asphalt mixture stirring equipment, and relates to a counter-flow asphalt reclaimed material heating hot air circulating system which comprises a hot blast stove, a burner is connected to the outer end of the hot blast stove, a discharging box is connected to the front end of the hot blast stove, a drying heating roller is connected to the front end of the discharging box, and the drying heating roller is connected to one side of the bottom of a feeding smoke box. A tail gas air pipe is arranged at the top of the feeding smoke box and connected to a dust remover, and a pure air pipe is arranged on one section of the dust remover and connected to the bottom of the hot blast stove through a circulating fan. According to the utility model, flame is prevented from being in direct contact with the reworked material, asphalt aging is avoided, hot air and material flow are prevented from flowing reversely, the reworked material is flexibly heated, the heat exchange efficiency is high, hot air is recycled, the waste of energy is reduced, and the production cost is saved.

The application discloses a clothes treatment device, a drying heating fault detection method and device and a storage medium, and the method comprises the following steps: determining a fault determination condition according to the air temperature in the current washing tub; and determining the drying heating tube fault according to the air temperature change condition of the drying heating tube under continuous heating, which meets the fault determination condition. In the drying process, the fault determination condition of the drying heating tube is related to the air temperature in the current washing tub, instead of the air temperature change condition after heating in the traditional scheme, which is not used to determine the drying heating tube fault condition, so that the fault determination condition is determined according to the air temperature, the drying heating tube fault misjudgment problem caused by the water in the washing tub due to abnormal conditions in the drying process can be avoided, and then whether the air temperature change condition of the drying heating tube under continuous heating meets the fault determination condition is determined, so that the drying heating tube fault detection accuracy is improved.

The present invention relates to the technical field of household electric appliances. Provided are a method and apparatus for preventing dry heating of a heater on the basis of non-contact sensing, and an electronic device. The method comprises: acquiring, by means of a non-contact temperature sensor, a startup ambient temperature of a heater and an operating ambient temperature of a heated object; on the basis of the operating ambient temperature, predicting whether the heated object is in a dry heating state; when it is predicted, on the basis of the operating ambient temperature, that the heated object has been in a dry heating state, determining, on the basis of the startup ambient temperature and the operating ambient temperature, whether the heated object is in a dry heating state; and when it is determined, on the basis of the startup ambient temperature and the operating ambient temperature, that the heated object has been in a dry heating state, controlling the heater to immediately stop operating. In the present invention, by means of using a non-contact infrared temperature measurement technique, there is no need to be in direct contact with a liquid, thereby avoiding the problem of liquid contamination caused by contact sensors, and also reducing maintenance costs.

The utility model belongs to the technical field of ceramic material production, and particularly relates to raw material crushing equipment for ceramic material production, which comprises a conveying platform, a conveying belt arranged on the inner side of the conveying platform, a crushing box arranged at the output tail end of the conveying platform, a feeding box communicated with the bottom end of the crushing box, and a drying mechanism arranged on the conveying platform. Ceramic production raw materials are dried and heated through the hot air blowers distributed at intervals, redundant water in the raw materials is effectively removed, the raw materials are easier to crush, efficiency is higher, hot air blown out by the hot air blowers is divided through the metal net fixedly connected with the inner wall of the drying box, and the drying effect is better. According to the ceramic material drying device, the situation that wind power is too large and directly blows on ceramic production raw materials is avoided, so that dissipation of dust is reduced, the drying efficiency, the dustproof effect, the conveying stability, the integrated design, the adaptability and the like are excellent, and a powerful guarantee is provided for efficient and high-quality production of ceramic materials.

The utility model relates to battery pole piece production technical field, concretely is a kind of double-face surface coating roll pressing all-in-one machine for solid-state battery pole piece, including unwinding mechanism, surface coating mechanism and roll pressing mechanism by the series connection of several roller, the surface coating mechanism includes primary surface coating mechanism and secondary surface coating mechanism, the side of surface coating of primary surface coating mechanism and secondary surface coating mechanism is equipped with several infrared heating elements to the side after surface coating and carries out drying heating, and the surface coating face of primary surface coating mechanism and secondary surface coating mechanism is respectively on the upper and lower surface of pole piece.The utility model realizes the process of double-face surface coating+roll pressing integration, improves coating quality, efficiency while reducing energy consumption, simplifies equipment.

The invention provides a coal mining screening mechanism which is characterized in that a heating unit is arranged on the surface of the side, attached to a joint, of a bearing cover, a mounting shell is fixed to the surface of the other side of the bearing cover, a driving assembly for forming one-way airflow at the joint hot compress position is arranged in the mounting shell, and the driving assembly absorbs moisture of air passing through the interior of the driving assembly; the two driving exercise assemblies are symmetrically arranged, and the two driving exercise assemblies are arranged on the two sides of the bearing cover and connected to the upper mounting cover and the lower mounting cover; the knee joint bends and stretches to drive the upper mounting cover and the lower mounting cover to rotate relatively, the driving exercise assembly provides resistance, and therefore the weight-bearing exercise effect is achieved. By constructing the constant-temperature drying and heating cavity and combining resistance-resistant exercise, hot compress and exercise collaboration is achieved, and the comfort, functionality and chronic pain relieving effect of knee joints are improved.

The utility model discloses an anti-rust treatment device for alloy anti-skid nails, which belongs to the technical field of alloy anti-skid nails and comprises a base plate, two first supports and two second supports are fixedly mounted on the upper surface of the base plate, a treatment box and a drying box are fixedly mounted between the two first supports, and openings are formed in the upper surfaces of the treatment box and the drying box. A backflow pipe is installed between the treatment box body and the drying box body in a communicating mode, a discharge pipe is installed on the side face of the treatment box body in a penetrating mode, and a drying heating plate is fixedly installed on the inner wall of the drying box body. A cover plate is arranged to be matched with the treatment box body for use, a material frame is detachably mounted below a mounting plate, a rotating plate is driven by a motor to rotate, and a rotating roller is matched with a sliding frame to drive the mounting plate to drive the material frame to move up and down, so that the material frame can continuously oscillate up and down, and anti-skid nails can continuously roll over; and the anti-skid nail can make comprehensive contact with anti-rust oil, and the anti-rust treatment effect on the anti-skid nail is greatly improved.

The utility model discloses a drying and heating roller for cord fabric processing, which comprises a base plate, two vertical frame plates are arranged at the top of the base plate, a motor is arranged on the outer wall of the vertical frame plate on one side, the output end of the motor is connected with a hot roller structure, a heat treatment structure is arranged on the outer side of the hot roller structure, and the heat treatment structure is arranged on the outer side of the heat treatment structure. The heat treatment structure comprises a plurality of supporting rods, the tops of the supporting rods are connected with a bottom protection plate, the top of the bottom protection plate is provided with a top protection plate capable of being opened, the bottom protection plate and the top protection plate are both semi-cylinders and integrally form a hollow cylinder, a plurality of heating rods are arranged on the inner wall of the top protection plate at equal intervals, and the heating rods are arranged on the inner wall of the top protection plate. And long-strip-shaped material guide notches are formed in the front side and the rear side of the bottom protection plate correspondingly. The heating device can be used for rapidly and uniformly heating the processed cord fabric, and is relatively energy-saving and high in practicability.

The utility model discloses a drying device is used to I -shaped steel paint spraying, solved the uneven drying effect in the paint spraying room, the problem of poor drying effect, it includes paint spraying room, both ends of paint spraying room all are provided with the access port, and the access port top of paint spraying room all is installed with the roll -up door, and the inner wall on paint spraying room is installed with drying heating assembly, and drying heating assembly includes the air heating unit of installation in the inner wall on both sides of paint spraying room, and both sides of air heating unit all are provided with internal heating unit, and internal heating unit includes the n -type pipe of respectively equidistance setting in the both sides of air heating unit, and n -type pipe is composed of two longitudinal pipes and a transverse pipe, the utility model discloses, in the work, through the heating coil of setting and electrifying heating air, under the drive of fan, and the hot air is pushed into the n -type pipe and the inside of communicating pipe, improves drying uniformity, and increases the heating area on the inner wall in paint spraying room, improves the heating drying effect.

The invention relates to the technical field of air cylinder maintenance, in particular to an aluminum thin-wall air cylinder barrel maintenance method which comprises the steps that a cylinder barrel is fixed, and a damaged area on the inner wall of the cylinder barrel is cleaned; the damaged area of the cylinder barrel is polished; multiple rounds of flame scanning are conducted on the grinding area, and the single-time scanning time is decreased progressively along with increase of the scanning frequency; cleaning and drying the heating area; the damaged area is coated with a filling agent and cured; and after first-time curing, grinding is carried out through raw abrasive paper till the piston is not blocked in push-pull, after second-time curing, grinding is carried out through fine abrasive paper till the piston is flush with an undamaged area, and after third-time curing, grinding is carried out through water wet polishing abrasive paper till the set roughness range is achieved. The limitation that the thin-wall cylinder barrel cannot be repaired after being damaged and deformed due to the thin cylinder wall is broken through, the maintenance working efficiency can be effectively improved, the maintenance time is shortened, and the maintenance cost is saved.

The utility model belongs to the technical field of polyester woven fabric, and particularly relates to polyester woven fabric preprocessing equipment which comprises a processing cabin, a sizing box is arranged in the processing cabin, two mounting plates are symmetrically arranged in the sizing box, two driving parts are rotationally arranged in each mounting plate, and the driving parts are symmetrically arranged in pairs. A plurality of driving pieces are arranged on the mounting plate, a plurality of stirring rollers are arranged between every two driving pieces, a supporting roller is arranged on the end face of the mounting plate, a second supporting frame is arranged on the end face of the sizing box, and a pressing roller is arranged in the second supporting frame in a sliding mode. The fixed cloth is continuously stirred through a plurality of stirring rollers, so that the cloth is continuously tensioned, and the sizing efficiency is improved; and by arranging a recovery cabin and a scraper, liquid can be circularly discharged into a liquid inlet hole through a one-way valve, so that resources are saved, and the production quality is improved.

The present disclosure discloses a heating film, an atomization assembly, an atomizer, and an electronic atomization device. The heating film is made of a ferrous alloy heating film material. The ferrous alloy heating film material includes a substrate element Fe in a mass percentage of 65% to 89% in the material, and a balance of an auxiliary element; the auxiliary element is at least one of Cr, Ni, and Mo; and the grain size of the ferrous alloy heating film material is greater than 0.2 µm. The atomization assembly includes a heating element and a liquid absorbing body. The heating element includes a heating film, and the liquid absorbing body includes a porous substrate. The porous substrate cooperates with the heating film. The atomizer includes a base, an atomization assembly mounted on the base, and a housing combined with the base. The electronic atomization device includes an atomizer and a power supply device that is mechanically and electrically connected to the atomizer. In the present disclosure, the heating film is made of a ferrous alloy material, and the grain size of the heating film is limited, thereby reducing production costs of the heating film, and improving dry heating performance and wet heating performance of the heating film.

The utility model discloses corrugated paper continuous production drying tunnel furnace, including operation platform, the upper surface fixedly connected with the protective cover of operation platform, the inner wall rotationally connected with first friction roller and second friction roller of operation platform. The utility model discloses second friction roller is driven to rotate by motor, and the rotation of second stable axle is driven through the conveyer belt, and the conveyer belt is continuously transported to the corrugated paper main part placed on its top, and the cooperation of fourth spur gear and third spur gear drives the rotation of driving wheel, and the rotation of driven wheel is driven through the belt of driving wheel, and the rotation of driving shaft is driven by driven wheel, and the rotation of first bevel gear is driven by driving shaft, and the rotation of second bevel gear and first spur gear is driven by first bevel gear, and the rotation of second spur gear and fan blade is driven by first spur gear, and the cooling and setting of the corrugated paper main part after drying are carried out by the rotation of fan blade, when the corrugated paper main part moves to the top of a plurality of first heating wire and second heating wire, carries out drying heating operation.

The utility model relates to the technical field of corrugated paper processing, and discloses a corrugated paper heating device which comprises a device main body, the device main body further comprises a suspension heating module, and the suspension heating module comprises a mounting frame fixedly mounted in a heating chamber; the placing plates are fixedly mounted on the two sides of the interior of the heating chamber; the number of the lower draught fans is four, and the lower draught fans are all fixedly installed on the installation frame; the number of the air jet holes is four, the air jet holes are communicated and connected with the lower fan, and the air jet holes are fixedly installed on the installation frame; and the infrared heating lamp is fixedly mounted at the geometric center of the top surface of the mounting frame. And through the arrangement of the suspension heating module, the heated corrugated board suspends in the heating chamber under the action of jet airflow and then is subjected to infrared radiation heating by an infrared heating lamp, and the drying and heating efficiency is improved while the corrugated board is protected.

The utility model relates to the technical field of heating equipment, and discloses an internal heating energy-saving high-pressure-resistant dry-burning-resistant heating device which comprises a barrel body, a water inlet pipe, a spring, a front end cover, a water outlet pipe, a rear end cover, a heating rod, a wire, a detection hole, a fixing piece and a fixing hole, the water inlet pipe is welded to the position, close to the edge, of the outer wall of the barrel body, and the water inlet pipe is communicated with the interior of the barrel body; a spring is arranged in the barrel, one end of the spring abuts against the extension section of the water inlet pipe, a front end cover is welded to one end of the barrel, a water outlet pipe is welded to one end of the front end cover, and the water outlet pipe is communicated with the interior of the barrel; according to the utility model, the water outlet pipe which is eccentrically arranged is matched with the spring for use, so that a water source is always kept in the barrel body, and a dry burning phenomenon caused by interruption of the water source is effectively avoided; through the structural design of the spring, the heating area is increased, water pressure can be effectively absorbed and dispersed, and the high pressure resistance of the whole device is improved.

The application discloses a modular heat-conducting medium electric heating steam boiler system and an intelligent control method thereof, and belongs to the technical fields of electric heating steam boilers and high-voltage electric heating conversion. The system comprises a high-voltage electric control unit, a high-voltage water supply unit and a preheating module, an evaporation module and a superheating module which are sequentially and fluidly connected along the flow direction of a working medium. The high-voltage electric control unit comprises a rectifier device, a filter and protection circuit, a direct-current bus capacitor and multiple groups of power controllers which are sequentially connected. The output ends of the multiple groups of power controllers are respectively connected to the preheating module, the evaporation module and the superheating module. The preheating module, the evaporation module and the superheating module all adopt a pressure-bearing cylinder as an outer shell, and a plurality of dry heating jacket pipes are suspendedly arranged in the pressure-bearing cylinder along an axial direction. The dry heating jacket pipes are used for heating the working medium. The system adopts a hierarchical modular design and an efficient heat-conducting medium heat transfer technology, and a step-down transformer is omitted. The system is directly driven by high voltage without a transformer, has high heat exchange efficiency, prevents dry burning and has a compact structure.

The utility model relates to textile production and processing technical field, and the purpose is to provide a kind of air drying device for textile production and processing, including bottom plate, the bottom plate upper surface is equipped with shell, the shell is equipped with guiding component, the guiding component upper surface is equipped with tensioning component one and tensioning component two, the shell upper surface is equipped with drying heating component, the drying heating component one side is equipped with conveying component, the setting of guiding roller in guiding component, ensure that textile stable delivery, avoid wrinkle deviation;Tensioning component can be flexibly adjusted textile tension, guarantee air dry flatness.Drying heating and conveying component cooperate, make hot air even spray, realize even air dry.At the same time, temperature sensor can monitor and control temperature in real time, effectively solve the problem such as traditional device air dry uneven, improve textile air dry quality and production efficiency.

The utility model discloses a gradient utilization system for tail gas of coal gas. The gradient utilization system comprises a hot blast stove heating system, a rotary kiln drying and heating system, a pulverized coal crushing and drying system, a power generation system and a coal gas diffusion system, branches of the hot blast stove heating system, the rotary kiln drying and heating system, the pulverized coal crushing and drying system, the power generation system and the gas diffusion system are arranged in parallel. And branches of the hot-blast stove heating system, the rotary kiln drying and heating system, the pulverized coal crushing and drying system, the power generation system and the gas diffusion system are all communicated with a clean gas main pipeline so as to receive gas tail gas conveyed at the upstream of the process. The system provided by the utility model is used for solving the problems in the prior art and solving the problems that in the prior art, tail gas of coal gas cannot be efficiently utilized, the tail gas is severely dispersed, so that energy is wasted, and the requirements of the existing process cannot be met.

The utility model discloses a metal coating drying furnace which comprises a furnace body, one side of the furnace body is open, the open side of the furnace body is rotationally connected with two furnace doors through hinges, and a plurality of supporting assemblies used for containing metal pieces are arranged in the furnace body from bottom to top at equal intervals. The two sides of the furnace body are fixedly connected with an air inlet pipe and an air outlet pipe respectively, and the ends, located in the furnace body, of the air inlet pipe and the air outlet pipe are fixedly connected with an air inlet cover and an air outlet cover respectively. According to the drying device, the furnace body, the supporting assembly, the air inlet pipe, the air outlet pipe, the drying heating assembly and the fan are arranged, air in the furnace body is driven by the fan to circulate and pass through the drying heating assembly to be heated, heat is prevented from flowing out, and when the temperature in the furnace body reaches the upper limit temperature, an electric heating wire of the drying heating assembly stops working; and when the temperature in the furnace body is lower than the lower limit, the electric heating wire works again, so that the purpose of saving energy consumption is achieved.

The utility model belongs to the field of water drinkers, and particularly relates to an anti-dry heating module assembly of a water drinker, which is assembled on a water drinker shell, a water pump is fixedly assembled on the inner wall of the water drinker shell, a heating pipe is fixedly assembled on the inner wall of the water drinker shell, the water pump is fixedly assembled at one end of the heating pipe, and a water supply pipe is fixedly assembled on the water pump. A water pumping pipe is fixedly assembled on the water pump, one end of a water supply pipe is fixedly assembled with a communicating joint, a water inlet pipe is fixedly assembled on the communicating joint and communicated with the water supply pipe, a water tank is fixedly assembled at one end of the water inlet pipe, a circulating pipe is fixedly assembled on the water tank, and one end of the circulating pipe is fixedly assembled with the communicating joint. According to the dry-burning-resistant heating module assembly of the water fountain, through cooperation of the communicating connector and the water tank, the problems that an existing filter affects the water flowing rate, is poor in water outlet performance and inconvenient to use, liquid in the heating assembly is insufficient, and dry burning occurs are solved.

The utility model provides spraying and drying equipment for an I-shaped steel structure, which comprises a spraying chamber and a drying chamber, the spraying chamber and the drying chamber are arranged in parallel, drying mechanisms are symmetrically arranged on the two sides in the drying chamber, each drying mechanism comprises a vertically arranged drying heating pipe, a fan is arranged at the rear end of each drying heating pipe, and the fan is arranged in the drying chamber. A hot air guide plate is arranged at the front end of the drying heating pipe, a rear end opening of the hot air guide plate faces the drying heating pipe, a front end opening of the hot air guide plate faces the center of the drying chamber, and the front end opening of the hot air guide plate is smaller than the rear end opening, so that heat of the drying heating pipe is gathered towards the center under blowing of the fan.

The utility model discloses uniform drying equipment for capacitor production in the technical field of capacitor drying, which comprises a ventilation heat dissipation box, a drying heating assembly is arranged in the ventilation heat dissipation box, the drying heating assembly comprises a support frame, and a plurality of groups of placing trays are arranged in the support frame. A plurality of groups of flow guide through holes are formed in the inner part of the placing tray in a penetrating manner, and an auxiliary discharger is mounted in the placing tray, the drying and heating assembly is additionally mounted in the ventilation and heat dissipation box, and the drying and heating assembly is mainly composed of a supporting frame and the placing tray; the supporting frame is in sliding fit with a guide plate matched with a second guide groove, a placing tray for placing a capacitor can be stably installed in the frame, and the upper side and the lower side of the capacitor in the placing tray can be evenly heated through an electric heater and an electric heating pipe which are additionally installed on the two sides of the supporting frame respectively. And the condition of insufficient drying or excessive baking caused by non-uniform heat distribution of the capacitor is effectively avoided.

The utility model relates to the technical field of composite board drying, in particular to a composite board drying machine which comprises a drying machine base, a supporting table is fixedly arranged above the drying machine base, a drying frame moving along the supporting table is arranged above the supporting table, and a plurality of layers of composite boards are placed in the drying frame. A drying cover arranged outside the drying frame in a covering mode is arranged above the drying frame, a drying heating wire is fixedly arranged on the inner wall of the drying cover, a connecting block fixedly welded to the drying cover is arranged on the side wall of the drying cover, a connecting column is fixedly arranged on one side of the connecting block, and a lifting block is fixedly arranged on one side of the connecting column. Positioning columns vertically penetrating through the lifting block are arranged on the two sides of the lifting block, the lower ends of the positioning columns are fixed to the upper end of the supporting table, a lifting control air cylinder fixed to the dryer base is arranged between the positioning columns, and the control end of a piston rod of the lifting control air cylinder is fixed to the bottom end of the lifting block and used for controlling lifting motion of the drying cover.

The utility model discloses a multi-air-duct cord drying oven which comprises a drying oven body, and one side of the drying oven body is communicated with a drying heating assembly. According to the drying device, the drying heating assembly is arranged for heating, drying and blowing, the backflow circulating pipe plays a role in waste heat backflow and recycling, the drying cost is reduced, hot air is guided up and down in the gaps of the flow guide air duct plates and then flows back and is guided out through the backflow circulating pipe, the hot air drying length is increased, and the drying efficiency is high; the thread rope rolling disc and the thread rope conduction frame can conduct flow guide and conduction on the thread rope, drying operation is convenient, the flow guide thread of the thread rope is matched with the flow guide air channel plate, the thread rope drying length is large, the drying quality is improved, the waste heat recycling effect of the device is good, constant temperature can be kept while energy is saved, the thread rope drying efficiency is improved, and the drying thread prolonging effect is good. The cord drying length is increased, and the drying efficiency and the drying quality are high.

The application relates to the technical field of equipment temperature control, in particular to a jacketed vessel. The jacketed vessel comprises an inner sleeve, a jacket, a dry heating unit and a thermoelectric cooler. The jacket is sleeved on the outer side of the inner sleeve. The inside of the jacket is formed with a heating area and a refrigeration area. The dry heating unit is arranged in the heating area and is laid on the outer side wall of the inner sleeve in the area, so that heat is provided by the dry heating unit to heat the inner sleeve. The thermoelectric cooler is arranged in the refrigeration area and is laid on the outer side wall of the inner sleeve in the area, so that cold is provided by the thermoelectric cooler to cool the inner sleeve. Therefore, the jacketed vessel has heating and refrigeration functions through the dry heating unit and the thermoelectric cooler, does not need to rely on the access of external utility medium, does not need to be equipped with a temperature control device, thereby avoiding occupying a large space and reducing cost, and meanwhile, the risk of liquid leakage is eliminated.

This utility model discloses a heat treatment device for post-coating in the field of coating heat treatment technology. It includes a workpiece conveyor belt with a heat treatment mechanism mounted on top. The heat treatment mechanism includes a hydrophobic spraying assembly, with drying heating hoods on both sides of the hydrophobic spraying assembly. A heat insulation hood connects the two drying heating hoods, and blowers are installed at both ends of the drying heating hoods. This coating heat treatment device can perform preliminary drying treatment on the coated substrate workpiece, preheat the hydrophobic protective agent used to improve coating adhesion, and perform secondary heat drying treatment on the hydrophobic protective agent sprayed on the surface of the coated workpiece. This process avoids thermal stress concentration caused by excessive temperature difference between the substrate workpiece, the film layer, and the hydrophobic protective agent, enhances the structural stability of the film layer, reduces the probability of quality problems such as cracking and peeling, and improves the overall quality and yield of the coated workpiece.