30 results about "Microwave tube" patented technology

1. Name of the Design Product: Microwave Tube Reactor Monomer. 2. Use of the Design Product: Provide a microwave tube reaction vessel for heating materials or chemical reactions. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo Most Indicating the Design Key Points: Perspective View.

A method for efficiently improving the microwave sterilization efficiency of packaged food adopts a conveyor belt tunnel type microwave treatment box to treat the packaged food, the conveyor belt tunnel type microwave treatment box comprises a heating section and a constant-temperature sterilization section, the two sections are respectively provided with magnetrons (microwave tubes) with different numbers according to actual requirements, and a plurality of microwave feed inlets and a plurality of temperature measurement control points are reasonably arranged; the temperature rise section is controlled to gradually rise from the original temperature to the set sterilization temperature of 50-95 DEG C, and the constant-temperature sterilization section is subjected to temperature measurement and temperature control, so that microwave heating and cooling are in a dynamic balance state, the microwave power is automatically reduced when the temperature rises, and the microwave power is automatically increased when the temperature drops; the product in the constant-temperature sterilization section is always in a set temperature range of + / -2 DEG C, and the temperature control aims to measure the product temperature at the temperature measuring point and control the product temperature in the set temperature range; and each temperature measuring point is provided with an infrared temperature measuring probe and a microcomputer control system.

The present invention discloses a magnetic manganese dioxide tunable electromagnetic wave absorption material and a preparation method thereof, and relates to the technical field of new material synthesis and preparation. KMnO4, a reducing agent and a potassium salt are weighed in sequence and added to a beaker filled with deionized water, and stirred thoroughly until mixed; a carbon material is weighed and added, and stirred thoroughly to mix evenly; manganese oxide nanowires are grown in situ using microwave-assisted hydrothermal method, and after the reaction is completed, washing and filtering are performed, and a composite material precursor is obtained by drying; the material is flash-heated and oxidized using a microwave tube furnace, and the material whose surface is not completely converted into manganese oxide is deeply oxidized to obtain a cage-shaped manganese dioxide nanowire / multilayer expanded graphite carbon-based composite material. By microwave hydrothermal irradiation oxidation method, the expanded graphite is morphologically modified during the preparation process to simultaneously tune the phase of magnetic manganese dioxide, so as to realize in-situ synthesis of magnetic manganese dioxide nanowires and efficient electromagnetic wave absorption and shielding, and the preparation process is simple and efficient.

The application discloses a nickel-coupled hybrid nanometer carbon core-shell structure cocatalyst, a preparation method and application thereof, and comprises the following steps: preparing a nickel salt N,N-dimethylformamide (DMF) solution (one); fully mixing ethylenediaminetetraacetic acid (EDTA), hybrid nanometer carbon (HC), trimethylamine and DMF to obtain a solution (two); fully mixing the solution (one) and the solution (two) to obtain a precursor of nickel (Ni) coupled with HC, and then centrifuging, washing, drying and heat treating by using a microwave tube furnace to obtain the Ni coupled with HC core-shell structure cocatalyst; the preparation method is simple, the non-noble metal Ni is compounded with the HC, and the cost is low; the prepared cocatalyst has a compact core-shell heterojunction interface, a high photo-generated carrier separation efficiency and a large number of hydrogen evolution active sites; after being compounded with graphite phase carbon nitride, the photocatalytic hydrogen production activity of the nickel cocatalyst coupled with the HC is significantly improved as compared with the nickel cocatalyst not coupled with the HC.

To suppress the amount of time required for starting the microwave tube when the voltage of the fed power decreases, while avoiding an increase in the size of the power storage unit, the power supply device includes: a power supply unit that supplies power fed from a power source to the microwave tube, the microwave tube being provided with a cathode, a heater for heating the cathode, an anode, and a collector; a power storage unit that stores the fed power, and supplies stored power to the microwave tube if the voltage of the fed power decreases, the stored power being power obtained by power storage; and a power supply switching unit that stops supplying the stored power to the anode, without stopping supplying the stored power to the heater, if the voltage of the fed power decreases.

The invention provides a defluorination preparation method of niobium pentoxide, which comprises the following steps: (1) mixing a niobium hydroxide raw material with deionized water, and stirring until the niobium hydroxide raw material and the deionized water are uniformly mixed to obtain a slurry material; (2) uniformly smearing the slurry-like material on the inner surface of a hollow cylindrical crucible, and putting the hollow cylindrical crucible into the middle section of a glass tube of a microwave tube furnace; (3) inserting a thermocouple from one side of the glass tube, enabling the end part of the thermocouple to be in contact with the slurry-like material in the hollow cylindrical crucible, placing a water vapor generating device on the other side of the glass tube, and enabling a water vapor tube of the water vapor generating device to extend into the glass tube; and (4) starting the water vapor generating device and the microwave tube furnace, raising the temperature of the slurry-like material in the hollow cylindrical crucible to a target temperature, preserving heat for 20-40 minutes, naturally cooling to room temperature, and taking out to obtain niobium pentoxide. According to the method, residual fluorine can be efficiently removed while the purity of niobium pentoxide is guaranteed, the water consumption for washing is reduced, and the process period is shortened.

The application discloses a preparation method and application of a microwave-regulated MXene-based in-situ oxidation composite gas-sensitive material, and belongs to the technical field of gas sensing materials and functional nanomaterials. The method comprises the following steps: placing MXene in a microwave tube furnace device, and performing sintering treatment under the action of microwaves to obtain the MXene-based in-situ oxidation composite gas-sensitive material; wherein the microwave action conditions are as follows: the microwave frequency is 2.45 GHz, the microwave power is 1000-1800 W, and the treatment time is 10-40 minutes; and the sintering treatment temperature is 300-600 DEG C. The method has the advantages of simple process, short cycle and strong controllability, and is suitable for controllable preparation and performance optimization of the MXene-based gas-sensitive material.

The utility model discloses a microwave unfreezing device for a food processing factory, and relates to the technical field of food processing. The device comprises an unfreezing box, an unfreezing groove is formed in the inner side of the unfreezing box, a plurality of microwave tubes are symmetrically installed on the inner side of the unfreezing groove, a conveying belt is installed on the inner side of the unfreezing groove, a cleaning water tank is fixedly connected to the bottom of the unfreezing box, and two sets of fixing blocks are symmetrically and fixedly connected to the outer side of the cleaning water tank; a guide roller is rotationally connected between the two fixing blocks, through holes are symmetrically formed in the outer side of the cleaning water tank, cleaning mechanisms are symmetrically arranged on the outer side of the cleaning water tank, and scraping blocks abut against the conveying belt, so that food scraps, stains and other impurities on the conveying belt are scraped off, and normal use of a drainage pipeline or a cleaning spray head is guaranteed.

The present invention discloses an efficient energy-saving die shell microwave dewaxing device and its usage method, which includes a cabinet body, a motor, a microwave tube, a microwave power supply, a water tank, a heat dissipation box, a water pump and a controller. The cabinet body is provided with two cavities, and a sliding door is arranged on the front side. The upper part of the two cavities is provided with a motor, the power shaft of the motor extends downward and is connected to a rotating shaft, and a tray is arranged on the rotating shaft; the side wall of the cavity is provided with a microwave tube and a microwave power supply; the lower side of the rear part of the cabinet body is provided with a water tank, a heat dissipation box and a water pump connected in series, and a controller is arranged on one side of the cabinet body. The motor, the microwave power supply, the heat dissipation box and the water pump are respectively electrically connected to the controller and controlled by it. The present invention adopts the microwave heating method for dewaxing and the double-space alternating working method and structure, which has reasonable design, simple structure and is easy to manufacture. The dewaxing of the present invention is clean and there is no need for manual dewaxing again, with small energy consumption, simple process, short dewaxing time and high safety factor. Moreover, during dewaxing, the reduced wax material is directly collected, reducing the waste of raw materials and saving costs.

The invention discloses a microwave composite attenuation ceramic material as well as a preparation method and application thereof. The material comprises the following components in percentage by mass: a matrix phase which is selected from beta-phase silicon nitride; an attenuation phase selected from silicon carbide; and a sintering aid phase, which is selected from the group consisting of Y2O3-MgO-Al2O3; wherein the mass ratio of the beta-phase silicon nitride to the silicon carbide to the Y2O3-MgO-Al2O3 is (60 to 90): (10 to 40): (3 to 10). The microwave body composite attenuation ceramic material has the characteristics of high strength, high toughness, high thermal conductivity, good thermal stability and the like, and the overall performance level and reliability of a high-frequency high-power microwave tube can be effectively improved.

The utility model discloses a stack type microwave tube storage box which comprises a box body, a partition plate is fixedly connected in the box body, split cavities are symmetrically arranged on the two sides of the partition plate, a plurality of protection frames are fixedly connected in the two split cavities, microwave tube bodies are connected in the protection frames in a clamped mode, and the microwave tube bodies are connected with the partition plate in a clamped mode. And connecting assemblies are symmetrically and fixedly connected to the middle positions of the side walls of the box body. According to the utility model, the box bodies are arranged in a stacked manner, and the side parts of the box bodies are provided with the portable connecting assemblies, so that the two stacked box bodies can be quickly and stably connected, the firmness in use is improved, and the exclusive microwave tube frame bodies are arranged in the box bodies, so that the use is more convenient. And the microwave tubes after being stored can be protectively stored, and the microwave tubes are prevented from being damaged in the carrying process.

The invention provides a low-loading noble metal as well as a preparation method and application thereof, and belongs to the technical field of catalyst preparation. The preparation method comprises the following steps: mixing a carrier metal source, a noble metal source and water, stirring into paste, drying, and performing first roasting in a muffle furnace to obtain a catalyst intermediate; and transferring into a microwave tube furnace, introducing a reaction gas under a microwave heating condition, and carrying out second roasting to obtain the low-loading noble metal catalyst. According to the invention, the catalyst is calcined by using different gases through microwaves, so that the catalytic performance of the catalyst is improved, and the prepared catalyst has good stability and has good catalytic performance in H2-SCR reaction or CO oxidation reaction.

The application discloses a preparation method of a silicic ether catalyst and application of the silicic ether catalyst in synthesis of silicic ether, and the preparation method comprises the following steps: a) preparation of a tungsten sulfide precursor; and b) preparation of the silicic ether catalyst. The application also provides application of the silicic ether catalyst prepared by any one of the preparation methods in synthesis of silicic ether. The application uses tungsten compounds as a tungsten source and sulfides as a sulfur source, uniformly disperses the tungsten compounds and the sulfides in deionized water, and obtains a tungsten sulfide solution by drying; the tungsten sulfide solution is dried and calcined in a microwave tube furnace to obtain the silicic ether catalyst; and the catalyst can be used in a silane and alcohol dehydrogenation coupling reaction to catalyze preparation of different types of silicic ethers. The application provides a fast and efficient preparation method of the silicic ether catalyst, the synthesized catalyst can catalyze a plurality of silane and alcohol dehydrogenation coupling reactions, the experimental operation is simple, the reaction condition is mild, and the catalyst has potential application value in the catalytic synthesis of silicic ethers.

1. Name of the Design Product: Microwave Continuous Pipeline Reactor (Vertical). 2. Use of the Design Product: Provide a microwave tube reaction vessel for heating materials or chemical reactions. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph Most Indicating the Design Key Points: Stereogram.

The invention relates to the field of treadmill production, in particular to treadmill running board production equipment and a production process thereof. Running board production equipment of a running machine comprises a rack, a protective cover fixed to the rack and the like, a rolling unit is connected into the protective cover and used for rolling and rolling the surface of a running board body, and two anti-warping units are connected into the protective cover. The running board body is subjected to reciprocating hot rolling, vacuumizing is conducted in the protective cover in cooperation with heating of the running board body through the microwave tube, continuous releasing of internal stress of the running board body is achieved, water can be fully discharged, and therefore the situation that after rolling is conducted on the running board body, heat treatment is not conducted in time, and the running board body is damaged is avoided. The condition that the running board body warps due to the fact that stress concentration occurs in the running board body is avoided, microwave on-line stress release and the rolling technology are seamlessly integrated, efficient anti-warping treatment of the running board body is achieved, and the product percent of pass is increased.

The invention discloses a microwave pipeline defect quantitative detection method fused with multi-dimensional compensation, which comprises the following steps: performing circular scanning on a polyethylene pipeline by using a step frequency continuous wave radar, transmitting a linear frequency modulation signal in a preset frequency range, and synchronously collecting the surface temperature of the pipeline; performing time-frequency transformation and frequency domain integration on the reflection echo signal, and constructing an energy indication sequence; automatically screening a defect-free reference by utilizing a self-adaptive double-threshold judgment method, determining a defect region boundary and calculating the physical width of a defect; the dielectric constant and the electromagnetic wave propagation speed of the polyethylene material are corrected based on the real-time temperature, and the high-precision defect depth is inverted by combining phase information; and constructing a multi-parameter nonlinear coupling model containing a width item and a two-dimensional standing wave interference correction item, substituting the normalized energy difference value, the physical width and the defect depth into the model, and calculating to obtain the quantitative area of the defect. According to the invention, the influence of ambient temperature drift, system gain fluctuation and microwave multipath standing wave effect on detection precision is effectively eliminated, and full-chain and high-precision quantitative characterization of pipeline defect full-size parameters is realized.

This invention relates to the field of materials technology, specifically disclosing a polyacrylonitrile-based activated carbon fiber, its preparation method, and its application. The preparation method involves: crushing polyacrylonitrile to 140-200 mesh, immersing it in a 5-15 mM phosphoric acid solution, and then ultrasonically treating it for 10-20 minutes to obtain polyacrylonitrile flocculents; under an inert atmosphere, placing the polyacrylonitrile flocculents in a microwave tube furnace and activating them at 400-600°C for 10-30 minutes; after high-temperature activation, subjecting them to multiple gas bath washings and finally vacuum drying to obtain the polyacrylonitrile-based activated carbon fiber. The preparation process of this invention is simple, has a short production cycle, and low cost. The resulting polyacrylonitrile-based activated carbon fiber has a relatively uniform aspect ratio and a surface distribution of microporous structures. When used in conjunction with MXene materials, it can effectively improve the stability of the layered structure of MXene materials, thereby enhancing the rate performance and cycle stability of sodium-ion batteries.

The utility model relates to the technical field of high-power microwave tube testing, and discloses a high-power microwave tube high-temperature dynamic aging testing device which comprises a temperature control chamber, a heating cavity is arranged on one side in the temperature control chamber, a cooling cavity is arranged on the other side in the temperature control chamber, a first through groove is arranged on one side close to the heating cavity, and a second through groove is arranged on one side close to the cooling cavity. The heating cavity is communicated with the first through groove through a first exhaust hole, a second through groove is formed in the side close to the cooling cavity, the cooling cavity is communicated with the second through groove through a second exhaust hole, a heating assembly is installed on the upper surface of the temperature control chamber, and a cooling assembly is installed on one side of the temperature control chamber. The cooling assembly comprises a condensation box. According to the utility model, the microwave tube is subjected to high-intensity heating by the heating assembly through the through groove I and the exhaust hole I, the condensate water is conveyed to the transmission shell by the circulating pump to transmit cold air, and the condensation plate is matched with the radiating fins to further cool, so that the cooling water is recycled, and the practicability of the testing machine is improved.

The utility model relates to the technical field of electric appliances, in particular to a double-layer baking and steaming all-in-one machine. According to the technical scheme, the machine comprises a machine body, a water tank, a steaming cavity and a baking cavity, a supporting seat is arranged on the lower surface of the machine body, the steaming cavity and the baking cavity are formed in the machine body, a microwave tube is installed at the top end of the inner wall of the baking cavity, the water tank is fixed to the bottom end of the outer wall of the machine body, and an electric heating rod is fixed to the bottom end of the inner wall of the water tank. A main pipe is fixed to the top end of the water tank, the other end of the main pipe is communicated with the steaming cavity, a cleaning pipe is arranged on the main pipe, the cleaning pipe is embedded and fixed in the machine body, and an opening in the other end of the cleaning pipe is located in the baking cavity. Through the cooperation of the structures, working steam required by the steaming cavity is effectively utilized to clean the interior of the baking cavity, and the cleaning difficulty of operators is greatly reduced.

This invention discloses a varicose vein ablation catheter, including a catheter body, a radiation component, a temperature measuring component, a connecting component, and a control unit. The radiation component is disposed on the catheter body and connected to a semi-rigid coaxial cable inside the catheter body. The temperature measuring component is disposed inside the catheter body, close to the radiation component, and measures the temperature inside and outside the radiation area of ​​the radiation component to assist in determining the length of a single ablation session. Advantages: By utilizing three spaced microwave tubes disposed on the catheter body to form three overlapping ablation radiation zones, all three radiation zones can be ablated simultaneously during a single ablation session, enhancing the length of a single ablation session and improving ablation efficiency. The ablation temperature is measured during the ablation process using temperature measuring couplers disposed within and outside the radiation zones, ensuring the ablation effect while the control unit automatically generates a temperature rise curve based on the temperature at different locations, thereby automatically calculating the length of a single ablation session.

This utility model discloses a high-power microwave generator for MPCVD, including a microwave pipeline. A mounting base is fixedly installed on the upper surface of the microwave pipeline, and a connecting base is fixedly installed on the upper surface of the mounting base. A pin is provided inside the connecting base, and a retaining ring is provided on the outside of the pin. An inlet pipe is fixedly installed on one side of the retaining ring, and an accelerated cooling component is provided at one end of the inlet pipe. This utility model, by setting up an accelerated cooling component, introduces a cooling medium into the connecting pipe. The cooling medium flows from the connecting pipe into the accelerating head, and is sprayed through multiple nozzles to form a vortex. The cooling medium in the vortex state is accelerated and then flows into the flow tank. The conical flow tank further accelerates the cooling medium. The cooling medium, subjected to secondary acceleration, flows from the inlet pipe to the retaining ring, and then from one of the sealed cavities of the retaining ring to the cooling channel, cooling the pin and preventing uneven temperature distribution inside the pin.

The invention relates to the technical field of catalyst preparation, in particular to a method for preparing a bimetallic element loaded carbon catalyst through microwave-assisted hydrogen reduction. The method includes the steps of: preparing a raw material for forming a carbon substrate; fully mixing the first metal salt, the second metal salt and a raw material for forming a carbon substrate, performing spray drying, and collecting a solid; and putting the obtained solid into a microwave tube furnace, turning on a microwave generator, sequentially introducing inert gas, hydrogen-argon mixed gas and inert gas, and carrying out heat treatment to obtain the bimetallic element loaded carbon catalyst. In the present disclosure, the raw material for forming the carbon substrate includes modified activated carbon. According to the preparation method provided by the invention, the bimetallic element loaded carbon catalyst with high catalytic activity and high catalytic selectivity is obtained.

This invention provides a rectangular input waveguide and its design method. The rectangular input waveguide includes an input waveguide, an output waveguide, N tapered segments arranged along a first direction, and intermediate segments located between adjacent tapered segments. The first direction is the direction from the input waveguide to the output waveguide, where N > 1. The short side dimensions of each tapered segment gradually decrease, while the short side dimensions of each intermediate segment remain unchanged. The method includes changing the height of each tapered segment and the height of each intermediate segment to ensure that the standing wave ratio (SWR) of the rectangular input waveguide is less than a first preset threshold and the return loss is greater than a second preset threshold. This design method enables the miniaturization of the rectangular input waveguide while meeting the requirements for microwave SWR and return loss, thereby allowing nearly 100% of the output power of an external microwave source to be transmitted into the microwave tube to establish an electromagnetic field of appropriate intensity.

The invention relates to the technical field of industrial reactors, in particular to a microwave reaction pipeline and a microwave tubular continuous flow reactor. The microwave reaction pipeline comprises a reaction pipeline body and a microwave reaction cavity wrapping the reaction pipeline body, a microwave generator is arranged on the microwave reaction cavity, the reaction pipeline body is a ceramic pipeline, a wave-transparent heat preservation layer is laid on the outer surface of the reaction pipeline body, and connecting components independent of the reaction pipeline body are arranged at the input end and the output end of the reaction pipeline body. The connecting members are located at the two ends of the microwave reaction cavity, the microwave reaction cavity and the connecting members are arranged in two halves, and the microwave reaction cavity is of a regular polyhedron structure. The microwave reaction pipeline is wear-resistant and corrosion-resistant, the structural matching of the connecting component and the microwave reaction cavity is convenient to assemble, the reaction pipeline is not easy to crack, the arrangement form of the microwave generator enables the efficiency of converting microwave energy into heat energy to be higher, and solid or corrosive materials in the ceramic pipeline can be uniformly heated.

The utility model relates to juice quick thawing technical field discloses a kind of juice quick thawing microwave tank, including thawing tank, the thawing tank top end is fixedly connected with feed hopper, the thawing tank top end inner wall both sides are rotatably connected with rotating rod, the rotating rod outer wall is fixedly connected with crushing roller, the rotating rod outer wall right side is fixedly connected with transmission gear, the transmission gear between both sides is engaged, the thawing tank left end is fixedly connected with support frame.In the utility model, by second rotating rod when rotating will drive driving bevel gear, driving bevel gear and driven bevel gear meshing, so that driven bevel gear also starts to rotate, and then drive first rotating rod rotation.First rotating rod when rotating will drive connecting plate, and connecting plate will drive microwave tube rotation.Microwave tube in the process of rotation, the juice ice block in thawing tank is uniformly thawed, can improve thawing efficiency, while avoid local overheating caused juice metamorphic.

A microwave tube and a method for controlling the microwave tube are provided. The microwave tube can suppress complex structures and adjustments, and helps maintain the microwave tube's high-frequency output constant over the long term. The microwave tube includes: an electron gun that emits an electron beam; a magnetic circuit that focuses the electron beam emitted from the electron gun; a collector that captures the electron beam that passes through the magnetic circuit; a high-frequency circuit that is spirally arranged around the electron beam focused in the magnetic circuit and utilizes the circuit to propagate high frequencies; and a magnetic assembly that is arranged so as to be movable around the electron gun in the direction of electron beam emission. The microwave tube is configured so that the magnetic assembly is moved in the direction of electron beam emission, thereby controlling the high-frequency output from the high-frequency circuit to be constant.

1. Name of the Design Product: Microwave Continuous Pipe Reactor (Horizontal). 2. Use of the Design Product: Provide a microwave tube reaction vessel for heating materials or chemical reactions. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Stereogram.

The utility model relates to the technical field of industrial reactors, in particular to a microwave reaction pipeline and a microwave tubular continuous flow reactor. The microwave reaction pipeline comprises a reaction pipeline body and a microwave reaction cavity wrapping the reaction pipeline body, a microwave generator is arranged on the microwave reaction cavity, the reaction pipeline body is a ceramic pipeline, a wave-transparent heat preservation layer is laid on the outer surface of the reaction pipeline body, and connecting components independent of the reaction pipeline body are arranged at the input end and the output end of the reaction pipeline body. The connecting members are located at the two ends of the microwave reaction cavity, the microwave reaction cavity and the connecting members are arranged in two halves, and the microwave reaction cavity is of a regular polyhedron structure. The microwave reaction pipeline is wear-resistant and corrosion-resistant, the structural matching of the connecting component and the microwave reaction cavity is convenient to assemble, the reaction pipeline is not easy to crack, the arrangement form of the microwave generator enables the efficiency of converting microwave energy into heat energy to be higher, and solid or corrosive materials in the ceramic pipeline can be uniformly heated.

The utility model discloses a microwave water heater with an automatic temperature adjusting function, which comprises a microwave water heater box body, a water storage tank body, a water storage cavity B, a water storage cavity A and a fastening pipe, fixing lugs are arranged on the outer surface of the microwave water heater box body, a constant-temperature shell is arranged in the microwave water heater box body, the water storage tank body is arranged in the constant-temperature shell, and the fastening pipe is arranged in the constant-temperature shell. Rectangular observation windows are correspondingly installed on the side end face of the water storage box body and the side end face of the microwave water heater box body, a microwave pipe A is installed in the water storage cavity A. A water adding pipeline penetrating through the microwave water heater box body and the constant-temperature shell is installed on the side end face of the water storage cavity A. A drainage pipeline A penetrating through the microwave water heater box body and the constant-temperature shell is arranged at the lower end of the water storage cavity A. A microwave pipe B is fixedly installed in the water storage cavity B. The lower end of the water storage cavity B is provided with a drainage pipeline B penetrating through the microwave water heater box body and the constant-temperature shell. The water purifier has the advantages of saving power consumption and energy consumption and filtering impurities and bacteria in water.

The utility model relates to the field of drying devices, and discloses a catalyst production drying device which comprises a supporting table, a shell and an exhaust frame, one end of the supporting table is fixedly connected with a motor, one end of the motor on the inner side of the supporting table is fixedly connected with a conveying mechanism, the top end of the interior of the shell is fixedly connected with a microwave pipe, and the top of the exhaust frame is fixedly connected with an exhaust pipe. Protective frames are movably installed on the two sides of the shell, the top of one protective frame is fixedly connected with a feeding frame, the bottom of the other protective frame is fixedly connected with a discharging frame, the outer sides of the protective frames are fixedly connected with rubber frames, and a sealing door is movably installed at one end of the shell. Through cooperative use of the shell, the sealing door, the exhaust pipe and the protective frame, the protective sealing effect of the device can be improved, gas cannot be directly exhausted to a processing workshop, harmful gas is prevented from affecting the health of workers, the environment protection effect of the device is improved, and the workers can conveniently clean and maintain the device.