83results about How to "Fully heated" patented technology

This invention discloses a solid-phase thickening reactor for PETG chips, belonging to the field of polyester chip processing technology. It includes an outer cylinder with an inlet pipe and an outlet pipe installed at its top and bottom, respectively. Support legs are installed on the side of the outer cylinder. Inside the outer cylinder are a supporting cylinder and four movable inner cylinders. Connecting rings connect the supporting cylinder to the movable inner cylinders and between adjacent movable inner cylinders. This invention ensures that each chip can undergo sufficient and uniform heat exchange with the heat medium, eliminating heating "dead zones" and temperature differences in traditional equipment. Based on the synergistic effect of uniform dispersion, controllable feeding, and a three-dimensional thermal field, the raw material can undergo a thickening reaction in the reactor in an optimal state. This ensures the uniformity and thoroughness of the reaction, effectively avoiding quality problems such as chip viscosity differences and yellowing caused by uneven heating or inconsistent reaction times. Therefore, it significantly improves the final product quality, production efficiency, and batch stability of the PETG chips.

This utility model discloses a roasting and dehydration device for corn flake production, including a box body. Support blocks are fixedly connected to the inner walls of both sides of the box body. A material trough is placed on the top of the support blocks. Several heat-conducting holes are opened at the bottom of the material trough, and a heating mechanism is installed at the bottom of the material trough. A baffle is placed inside the material trough, and a baffle mesh is installed on the baffle. An air vent is opened at the bottom of the box body, and a blower mechanism is installed inside the air vent. Pressure relief ports are opened on the top side walls of both sides of the box body, and sealing plugs are installed inside the pressure relief ports. A box cover is installed on the top of the box body, and a sealing chamber is fixedly connected to the bottom of the box cover. Several air guide holes are opened at the bottom of the sealing chamber, and air outlet holes are opened on both side walls of the sealing chamber. This utility model eliminates the need for additional drive equipment to rotate the corn flakes to prevent them from piling up when using high-temperature hot air to dehydrate them. It is low-cost, energy-efficient, and the relevant components are detachable for regular maintenance and replacement.

The utility model discloses an intelligent sensor's aluminium oxide base processing device related to sensor preparation technical field, and the middle part of sintering furnace inner chamber is equipped with the baffle, and the sintering furnace inner chamber is separated by left and right and is divided into a plurality of sintering cavities by the baffle, and a plurality of silicon molybdenum heating rods that are arranged on the inner wall of sintering cavity are arranged from top to bottom in the sintering cavity, and the sintering cavity is also equipped with the material frame for placing aluminium oxide base, and the material frame includes pivot, material tray, base and drive walking mechanism, and the pivot that is perpendicular to the base is rotatively driven and installed on the upper portion of base, and a plurality of material trays that are arranged along the pivot axial direction are arranged on the pivot axle body, and a plurality of installation grooves that are arranged in order and are used for vertically clamping and placing aluminium oxide base are arranged on the upper surface of material tray, and the bottom of base is equipped with drive walking mechanism, and the utility model not only can fully and evenly sinter and heat aluminium oxide base, but also can effectively reduce the deformation, warping or cracking of aluminium oxide base during the sintering process.

The utility model is suitable for the field of natural gas purification and recovery equipment, and provides a natural gas recovery device which comprises an outer shell and a heating bin in the outer shell, and a gap is formed between the heating bin and the outer shell; wherein a plurality of filtering devices are arranged, and each filtering device comprises two separation blades and molecular sieve filler between the two separation blades; a heating cavity is formed in the heating bin; an air inlet penetrating out of the outer shell and an exhaust port communicated with the interior of the outer shell are formed in the top of the heating bin and are communicated through a plurality of parallel heat conduction pipes in the heating cavity; a liquid inlet and a liquid outlet are formed in the heating bin; a plurality of groups of air outlets are formed in the outer shell. Therefore, the natural gas can be fully heated, and the heating adsorption efficiency of water vapor is improved. Meanwhile, workers can flexibly adjust the number of the passing filtering devices according to the flowing speed and the heating efficiency of the natural gas, quantitative distribution of the adsorbent is achieved, and resource waste caused by insufficient or excessive adsorbent is avoided.

The utility model relates to food processing technical field discloses a kind of beef granule baking machines with turnover function, including heating semicircle bottom, the top of heating semicircle bottom is fixedly connected with baking wall, the top of baking wall is fixedly connected with fixed cover, the top of fixed cover is fixedly connected with torque motor, the driving end of torque motor is fixedly connected with rotary arm, rotary arm is rotatably connected with connecting rod at one end away from torque motor, the outside of heating semicircle bottom is fixedly connected with automatic switch component.The utility model in, through the accurate control of torque motor, the timed quantitative input of beef granule can be realized, this not only can avoid the uneven stirring caused by too much one-time feeding, ensure that each beef is heated fully, but also can reduce the direct contact of artificial and machine, reduce the safety risk caused by machine sudden start, make feeding rhythm and baking process more matched simultaneously, improve the smoothness of overall processing.

This utility model discloses a tea fixing device, including a support frame, a motor rotatably connected to the support frame, and a tea inner liner connected to the output end of the motor. The tea inner liner includes a guide cylinder and a spherical frame, with the guide cylinder communicating with the spherical frame. An outer box is rotatably connected to the outside of the spherical frame, and the outer box is connected to the support frame via a pulling assembly. Heating wires are provided on the inner wall of the outer box, and stirring blades are provided on the outer box. The beneficial effects are: the device uses a motor to drive the tea inner liner to rotate, effectively causing the tea leaves to tumble within the spherical frame; combined with the heating wires in the outer box, uniform heating is achieved; the stirring blades enhance the stirring effect of the tea leaves, preventing localized overheating or scorching; the pulling assembly causes the outer box to rotate around the motor, adjusting the angle of the tea inner liner, optimizing the heating and turning process, and ensuring that the tea leaves are fully heated during the fixing process to achieve the ideal fixing effect.

The utility model relates to the technical field of electronic cigarettes, and discloses a ceramic atomization core heating wire which comprises a heating wire body and a grabbing foot. The two ends of the heating wire are electrically connected with the two electrodes respectively. At least two heating wires are wound on the ceramic atomizing core side by side at a set interval in a snake-shaped or bow-shaped manner, and the two heating wires are densely distributed to form a heating area; and the electrode and the heating wire in the heating area are fixed on the ceramic atomizing core through grabbing feet. The at least two heating wires are arranged on the ceramic atomizing core side by side at the set interval, so that the heating uniformity is ensured, the atomizing efficiency and quality are improved, the fine taste and plumpness are improved, local heat accumulation can be effectively avoided, and carbon deposition generated by insufficient combustion is reduced; the coiled heating wire is fixed through the grabbing feet, the position of the heating wire is stabilized, the risk that the heating wire shifts or is separated from the atomization core is reduced, and therefore heating uniformity is kept.

This invention relates to the field of aero-engine technology, disclosing a combustion assembly and an aero-engine. The invention includes: a flame tube; an evaporator tube comprising a main pipe and several branch pipes, one end of the main pipe forming an evaporator tube inlet, the branch pipes corresponding to the other end of the main pipe, and the ends of the branch pipes away from the main pipe forming several evaporator tube outlets, which are located within the flame tube; and a fuel supply structure connected to the evaporator tube inlet. This invention, by arranging the branched evaporator tubes in a blood vessel-like pattern on the flame tube, increases the probability of fuel breaking up upon impact with the wall under the action of the branched structure, resulting in better fuel atomization. Simultaneously, because the branched evaporator tubes have a larger contact area with the hot wall surface, they absorb more heat, thus allowing the fuel to be heated more fully, thereby evaporating more fuel and ultimately improving combustion efficiency.

The utility model discloses a rotary kiln for lithium battery processing, which belongs to the technical field of lithium battery processing equipment and comprises two assembly plates and a heating kiln mounted between the two assembly plates, the heating kiln comprises a kiln body and a heating plate mounted on the outer wall of the kiln body, a front sealing plate is mounted at one end of the kiln body, and a rear sealing plate is mounted at the other end of the kiln body. A rear sealing plate is installed at the other end of the kiln body, and a second driving motor is arranged on one side of the rear sealing plate. According to the inclined heating kiln, materials in the kiln body can be gathered in one direction when the kiln body rotates through the inclined heating kiln, then the kiln body rotates in the spiral direction during heating through the arrangement of the spiral plate, the materials are conveyed upwards from the lower position, the materials in the kiln body can be continuously turned upwards, and therefore the materials in the kiln body can be continuously heated. And therefore, the materials can move left and right in a small range while reacting, the efficiency of turning over the materials is improved, and the heating effect is improved.

The utility model discloses rapid deicing equipment after nuclear magnetic resonance quenching, and relates to the field of nuclear magnetic resonance structure maintenance equipment, the rapid deicing equipment after nuclear magnetic resonance quenching comprises a heating piece and an accelerating piece, the heating piece is provided with a gas inlet and a gas outlet, gas enters the heating piece through the gas inlet, the heating piece heats the gas, and the accelerating piece accelerates the heating of the gas. The heated gas is discharged through the gas outlet; the heating part is connected with the gas outlet through a pipeline, the accelerating part is connected with the gas outlet through a pipeline, the accelerating part is communicated with the gas outlet through a pipeline, the gas is accelerated through the accelerating part, and'ice blocks' in the nuclear magnetic resonance equipment can be effectively removed through the heating part and the accelerating part.

The utility model relates to the field of rectification and purification, in particular to a rectification device for purifying diphenyl diketone. A rectification device for purifying diphenyl diketone comprises a rectification bin, supports, a feeding pipe, buffer plates, a temperature controller, a heating wire, a heat conducting plate and an air inlet pipe, the four supports are fixedly connected to the bottom of the rectification bin, the feeding pipe is installed on the left side of the upper portion of the rectification bin, the two buffer plates are arranged on the inner side of the rectification bin, and a plurality of through holes are formed in the buffer plates. A heating wire is arranged at the bottom of the rectification bin, a temperature controller is fixedly connected to the front side of the heating wire, located on the front side of the rectification bin and fixedly connected with the rectification bin, a heat conduction plate is fixedly connected to the bottom of the inner side of the rectification bin and located on the top of the heating wire, and an air inlet pipe is arranged on the top of the rectification bin. According to the diphenyl diketone purification device disclosed by the utility model, diphenyl diketone liquid is evaporated into water vapor and then solidified into water through the matching of the rectification bin, the heating wire, the condensation pipe and the condensation box, and circulation is realized through the matching of the liquid storage box and the water pump, so that the effect of purifying diphenyl diketone is achieved.

This application relates to a leachate return spraying device, a discharge port of a waste pit, and a waste pit. The leachate return spraying device is used to return heated leachate to the discharge port of the waste pit. It includes: a sleeve disposed on the side wall of the discharge port, and a main pipe sleeved within the sleeve; a water outlet is provided at the middle of one side of the main pipe, the water outlet being an elongated hole that laterally covers the entire discharge port; a flooding plate is installed at the bottom of the water outlet at a downward slope; a water trap is provided at the bottom of the main pipe; after the heated leachate fills the water trap, it flows outward along the water outlet and then outward along the flooding plate, forming a water curtain that sprays onto the waste rolling down the slope of the discharge port. This allows the heated leachate to be sprayed onto all the domestic waste rolling down the slope of the discharge port, providing comprehensive heating to the fresh domestic waste.

The utility model provides drying equipment for solid bactericide production, which comprises a drying cylinder, the drying cylinder is supported by a support, a conical cylinder is arranged below the drying cylinder, and a discharge port is arranged at the bottom of the conical cylinder; a vertical inner cylinder is arranged in the drying cylinder, a spiral plate is arranged on the outer side of the inner cylinder in a surrounding mode, the spiral plate is of a hollow structure, and the inner space of the spiral plate is communicated with the interior of the inner cylinder. An upper cover plate is arranged above the drying cylinder, an open hole used for containing a heater is formed in the middle of the upper cover plate, and the lower end of the heater is inserted into the inner cylinder. According to the drying device, the bactericide can be heated and dried in the gliding process, continuous drying operation can be carried out, and the production efficiency is improved; meanwhile, as the internal space of the spiral plate is communicated with the inner cylinder, the temperature rise in the drying cylinder is more uniform after the heater is started, and a heat source cannot directly irradiate the bactericide, so that the local overheating phenomenon is avoided, the uniformity and stability of the drying effect are ensured, and the product quality is improved.

The utility model relates to the field of cleaning equipment, concretely is a kind of heating structure and window cleaning machine of window cleaning machine, including heating device, heating device is equipped with heating cavity, water inlet portion and water outlet portion respectively with the intercommunication of heating cavity, water inlet portion and water outlet portion are respectively arranged in the upper end and lower end of heating device, heating device is also equipped with the heat conduction portion of extension into heating cavity, heat conduction portion inside is equipped with the installation cavity of installation heating tube, heating tube is installed in installation cavity and carries out heating to the liquid in heating cavity, by setting heat conduction portion extension into heating cavity, and setting the installation cavity of installation heating tube in heat conduction portion, so that heating tube extension into installation cavity, heat is rapidly transferred to liquid by heat conduction portion, effectively improve heating efficiency, in addition, water inlet portion is arranged in the lower end of heating device, water outlet portion is arranged in the upper end of heating device, water pump injects liquid from water inlet portion located in the lower end of heating device into heating cavity, liquid flows from below to top, prolongs heating time, ensures that liquid is heated sufficiently.

The utility model discloses a kind of drying device, it includes box and gas storage tank, gas diffusion plate and heating element from top to bottom being arranged in the inside of the box, the top of the box is provided with several air inlet holes, bottom is provided with several air outlet holes, the bottom of the gas storage tank is provided with several first diffusion holes, the gas diffusion plate is provided with several second diffusion holes, gas is entered into the gas storage tank from the air inlet hole and sequentially diffused to the heating element on the first diffusion hole, second diffusion hole heating, heated gas is blown out through the air outlet hole. The utility model improves the uniformity of gas distribution, so that gas heating is more sufficient, uniform, can guarantee the uniformity of product drying, can avoid the phenomenon of local overheating, so as to guarantee the drying quality of product.

This invention relates to the field of heating system technology, and in particular to a water bath heating anti-icing system for CNG depressurization skid differential pressure power generation. The system includes a support frame and a gas delivery assembly. An outer cover support assembly is installed on the outside of the gas delivery assembly, and a de-icing assembly is installed inside the gas delivery assembly. A gas control assembly is installed inside the de-icing assembly, and an air supply assembly is installed at the lower end of the gas control assembly. A waste heat recovery assembly is installed at the lower end of the air supply assembly. A heater is fixedly connected to the upper end of the de-icing assembly, and a branch pipe is fixedly connected to the lower end of the de-icing assembly. The de-icing assembly includes an insulation box, an inlet pipe is fixedly connected to the inside of the insulation box, a second spherical shell is fixedly connected to one side of the inlet pipe, and a second stainless steel pipe is fixedly connected to the inside of the second spherical shell. In this invention, the device can reduce heat loss when heating the gas pipeline, ensuring that the natural gas in the gas pipeline is fully heated, guaranteeing the reliable operation of the gas transmission and distribution system, and providing qualified gas to downstream applications.

The utility model relates to the technical field of heaters, in particular to an efficient heater which comprises a barrel body, a heat conduction inner container is arranged in the barrel body, first electric heating wires are embedded in the heat conduction inner container at equal intervals, an arc-shaped groove is formed in the portion, located between the first electric heating wires, of the heat conduction inner container, and a coil pipe is arranged in the arc-shaped groove. A heat conduction column is fixed to the inner bottom, located in the coil pipe, of the heat conduction inner container through bolts, and second electric heating wires are fixed to the interior of the heat conduction column at equal intervals through bolts; the heat conduction inner container heats a medium in the coil pipe from the outer side of the coil pipe, the heat conduction column heats the medium in the coil pipe from the inner side of the coil pipe, and the coil pipe is arranged, so that the flowing time of the medium in the heat conduction inner container can be prolonged, the medium can be fully heated, and the heating efficiency is high.

The utility model relates to the field of textile, concretely relates to a leveling mechanism of cloth inspecting machine, include: body and be located the rear side of body for cloth guide's guide roller, be located the preheating pipe of body and be located guide roller one side, the inside detachable mounting of preheating pipe has immersion type tubular heater. The utility model through atomizing nozzle even spraying hot water mist, avoid the cloth damage caused by ironing board contact, especially adapt sensitive material, spiral flow guide plate and immersion type heater realize water flow even fast heating in cooperation, guarantee temperature stability, make cloth heat sufficient, stress release even, significantly improve leveling quality and stability, and non - contact type spraying mode fundamentally avoided the problem that fiber fluff adheres sintering forms the dirt of scale on the surface of high -temperature ironing board, prevent the cloth hook silk, scratch and so on defects caused by dirt, reduce the equipment cleaning maintenance frequency simultaneously, improved the continuous operation reliability of cloth inspecting machine.

This invention relates to the field of cooking equipment technology, and more particularly to a spherical cooking equipment with distributed steam control. The technical solution includes a central interlayer fixedly installed on the outer wall of the spherical cooker. An air inlet branch pipe connects the air inlet end to the central interlayer. A first and second heat-expanding pipe, connected to the central interlayer, are fixedly installed on the inner wall of the spherical cooker. Both the first and second heat-expanding pipes adopt a conical vortex structure and are attached to the inner wall of the spherical cooker. This invention increases the heating area of ​​the material through the first and second heat-expanding pipes. Furthermore, the inclined arrangement of the first and second heat-expanding pipes generates an oblique force along the spherical surface on the material near the air inlet and outlet ends during rotation. This forcefully pushes the material in the low-speed zone towards the center and upper part of the spherical cooker, allowing material that was not originally turning to enter the high-speed turning zone, thus compensating for the deficiencies of insufficient linear velocity and weak turning near the rotating shaft.

The utility model belongs to beef powder technology field, concretely relates to a drying device for beef powder production, including bottom frame, the top of bottom frame is rotationally connected with top rotary frame, the inside of top rotary frame is assembled with bearing disc, the inside of bottom frame and located bearing disc's bottom installation has fan, the inside of bottom frame and located between fan and bearing disc installation has electric heating wire, the outside of bottom frame is installed with truss, the inner wall rotationally connected with rotary rod and rotary column of truss top, and rotary column is at the top of bearing disc, and is connected through transmission belt between rotary rod and rotary column, the bottom of rotary column is installed with rotary strip. The utility model can increase the stirring area greatly, make beef powder raw materials mix more evenly, heat more fully, improve drying efficiency and product quality uniformity, and can effectively prevent material accumulation, enhance hot air penetration, shorten drying time.

The invention discloses an ultrahigh-pressure plasma heater for distributed heat supply, and relates to the technical field of heat supply equipment.The ultrahigh-pressure plasma heater comprises an equipment bottom plate, an equipment shell is installed at the upper end of the equipment bottom plate, a Tesla coil is installed at the upper end of the equipment bottom plate in the equipment shell, and a heat conduction pipe is installed above the Tesla coil; a filter pipe is installed at one end of the air feeder through a pipeline, a filter assembly is installed in the filter pipe, a second connecting pipe is installed at the other end of the heat conduction pipe, and a temperature control box is installed at one end of the second connecting pipe and located outside the equipment shell. By utilizing the characteristics of the Tesla coil, low-voltage direct current is increased to a high-voltage and high-frequency state, lightning discharge is simulated, so that plasmas are generated, the plasmas can generate violent high temperature in the high-voltage and high-temperature releasing state, the high temperature heats the heat conduction pipe and heats the air to increase the temperature, and clean energy heat supply is achieved.

The utility model discloses a cylindrical fin heater, which comprises a cylindrical flow guide pipe and heat conducting fins, a liquid inlet sealing cover and a liquid outlet sealing cover are respectively screwed and fixed on two sides of the cylindrical flow guide pipe through bolts, and a plurality of groups of heat conducting fins are arranged in the cylindrical flow guide pipe. A plurality of water inlets and water outlets are formed in the liquid inlet sealing cover and the liquid outlet sealing cover respectively, the two ends of the heat conduction fins are communicated with the water inlets and the water outlets respectively, first electric heating pipes are arranged in the heat conduction fins, and second electric heating pipes are arranged at the positions where the heat conduction fins are communicated with the water inlets and the water outlets. A plurality of groups of heat-conducting fins are arranged in a cylindrical flow guide pipe, first electric heating pipes are arranged in the heat-conducting fins, and the heat-conducting fins can increase the heat transfer area, so that heat is more effectively transferred from the electric heating pipes to a flowing liquid medium, accumulation of the heat on the surface of the heater is reduced, and the efficiency of transferring the heat to a target area is improved; and energy waste is reduced.

The application discloses a pressing equipment based on the principle of work hardening, and belongs to the technical field of material processing and forming, which comprises a base, a moving groove is formed in the top of the base, longitudinal sliding rails are arranged on the two sides of the moving groove, two groups of vertical frames are arranged above the base, a horizontal plate is arranged between the two groups of vertical frames, a hydraulic machine is arranged above the horizontal plate, a pressing plate is arranged at the telescopic end of the hydraulic machine and penetrates through the horizontal plate, a bearing frame is slidably connected in the moving groove, the two sides of the bearing frame are slidably connected with the longitudinal sliding rails, a longitudinal moving motor is fixedly connected to one side of the bearing frame, and a mold is arranged in the bearing frame; when the application is used, the laser heating assembly can be matched with the hydraulic machine, the speed of material pressing and forming is effectively improved, the quality of material pressing and forming is improved, the production efficiency is improved, and the practicability of the device is improved.

The utility model relates to an efficient ventilation soil ecology restoration device which comprises a restoration box body, a ventilation assembly is arranged in the restoration box body, the ventilation assembly comprises an inner cylinder, an air blower, a hydraulic rod, an air duct and a filter box, the inner cylinder is fixed in the restoration box body, and a ventilation net is arranged on the outer wall of the bottom of the inner cylinder. The air blower is fixedly arranged on the outer wall of the repairing box body, the inner wall of the inner cylinder is sequentially and fixedly provided with a blocking base and a material distributing cone from top to bottom, and a discharging hole is formed in the center of the blocking base. The baffle can move to shield the discharging hole, intermittent discharging can be achieved, meanwhile, the baffle is used in cooperation with the material distribution cone, a thin layer of heated soil can fall down along the ventilation net and make contact with air blown by an air blower, harmful volatile pollutants in the heated soil can be fully volatilized and separated from the soil, and therefore the soil quality is improved. Efficient ventilation is achieved, and the soil ecological restoration effect can be better.

The utility model provides a kind of toast oven, it is related to bread baking equipment field, including baking oven, including the oven body component for providing space for bread baking, the door plate for closing the oven body component, the support component for carrying bread, the rotating component for rotating support component, and for wet and ventilation exhaust vent and ventilation groove, the support component includes support plate, support rod located in support plate top four around;The utility model can drive support component rotation by rotating component, so that bread is evenly heated when baking, baking tray slides on the surface of supporting plate, conveniently take and place bread, ensure the convenience of baking process and the uniformity of bread heating, avoid appearing local scorching or not ripe through condition, heating assembly forms heating chamber by side plate, top plate, heater heats air, fan improves hot air flow, hot air is recycled and circulated by wind wheel, so that bread can be contacted with hot air in all directions, and baking speed is accelerated.

The utility model relates to the production field of brine, relate to a brine sterilization device, the utility model discloses: heating tank body, heat exchange coil, double -way feeding system and control unit, heating tank body is double -deck heat preservation structure and is equipped with electric heater in bottom, the inside of heating tank body is filled with water medium, heat exchange coil is placed in heating tank body inside and is both ends and is extended to outside through heating tank body side end, double -way feeding system includes brine feed pipe, boiling water feed pipe and switch valve group, brine feed pipe is connected to heat exchange coil input end through feed pump, boiling water feed pipe is connected to the input end of heat exchange coil through the flush pump, and the medium delivery switching is realized through switch valve group, be equipped with the liquid pump on heat exchange coil output end, control unit is the PLC controller, and electric heating ware, feed pump, flush pump and switch valve group electric connection respectively.

This utility model relates to the field of vacuum hood technology, and proposes a vacuum hood for applying adhesive to wind turbine blades. The hood includes a vacuum hood, columns, a mounting bracket, racks, slide rails, sliding seats, an adjusting mechanism, a hot air chamber, a transmission component, a fan, a heating assembly, and a suction hood. Three columns are mounted on the upper side of the vacuum hood in a ring shape. The mounting bracket is fitted onto the upper part of the outer side of the columns and can rotate on the three columns. Multiple racks are mounted on the lower side of the mounting bracket, and multiple slide rails are mounted on the mounting bracket. Sliding seats are horizontally slidably connected to the slide rails. This technical solution addresses the problem in existing vacuum hoods for applying adhesive to wind turbine blades that, after use, leave a large amount of residual adhesive on the inner wall of the vacuum hood, making it difficult for workers to thoroughly clean this residue, which affects the subsequent performance of the vacuum hood.

The utility model discloses a box-type resistance furnace, which belongs to the technical field of heat treatment equipment, and comprises a box-type resistance furnace main body, a heating element and a hot air circulating mechanism, the device is novel in design and ingenious, the heating elements adopt resistance wires with special layout and are distributed at all corners of the furnace body so as to achieve uniform heating, the hot air circulation mechanism comprises a fan and an air channel and is used for circulating heated air to all parts of the furnace body, the uniformity of temperature distribution is further ensured, and through the layout of the heating elements, the heating efficiency is improved. A multi-layer staggered mode is adopted, namely, heating elements on different layers are staggered in position so as to increase the coverage area of heat radiation and improve the heating efficiency, a hot air circulation mechanism is further optimized, a flow guide groove is formed in an air channel, hot air can flow according to a preset path, it is ensured that each corner in the furnace can be fully heated, and the heating efficiency is improved. And the practicability of the device is greatly improved.

The utility model discloses a methanol recovery and waste water cyclic utilization device in MTBE production, and relates to the technical field of MTBE production, the methanol recovery and waste water cyclic utilization device comprises a distillation box, a box cover is detachably mounted on the top surface of the distillation box, a plurality of movable rods are slidably mounted in the box cover, the lower ends of the movable rods are connected with an annular heating plate, and the annular heating plate is connected with the distillation box. A lifting plate is connected to the upper ends of the multiple movable rods, a stirring assembly penetrating through an inner cavity of the distillation box is arranged on the top face of the lifting plate, a connecting column is fixedly installed at the upper end of the lifting plate, a lifting frame is fixedly installed at the upper end of the connecting column, and a driving assembly used for driving the lifting frame to ascend and descend is installed on one side of the box cover. According to the utility model, the lifting plate can be driven to lift through the driving assembly, so that the stirring assembly and the annular heating plate can change the acted water layer, and different water layers of wastewater in the distillation box are uniformly heated, thereby ensuring the methanol distillation effect.

The utility model discloses a silver powder drying device, include: drying jar body, and the upper and lower both ends are provided with feed inlet and discharge gate respectively, support frame, and with the outside detachable connection of drying jar body, its characterized in that still include: the drying jar body is by the structure of upper half circular cylinder and lower half circular platform composition, and the inner wall fixed connection of upper half circular cylinder has heating net, shake material subassembly, and the movable connection in drying jar body, the splay component, and it is installed on the central shaft of drying jar body.