47 results about "Drying drum" patented technology

The utility model discloses a drum-type quick dispersing dryer, which relates to the technical field of drying equipment and comprises a bracket, a drying drum, a dispersing component, a first baffle and a second baffle. The drying roller is used for carrying out rolling type drying treatment on materials, the dispersing assembly carries out dispersing treatment on the materials in the drying roller, the first baffle and the second baffle carry out rolling blocking treatment on the materials in the drying roller, and when the materials roll and move downwards in the drying roller to be dried, the materials can be uniformly dispersed. A first baffle and a second baffle are used for carrying out staggered blocking and dispersing treatment on materials, the retention time and the movement path of the materials in the drying roller can be effectively prolonged, the drying treatment effect on the materials can be effectively enhanced, and the materials move downwards along the surfaces of a first cam, a first concave wheel, a second cam and a second concave wheel for dispersing treatment; and the materials can be quickly dispersed, and the drying uniformity of the materials can be effectively improved.

The utility model discloses an asphalt mixing station drying barrel blade structure and drying barrel, including the multiple bending plate blades of installing in the drying barrel main part inner wall, the bending plate blade includes the fixed end, extension end and the bending end of integral type structure, still include the mounting structure of setting between the bending plate blade and the drying barrel main part, the mounting structure includes two mounting seats of the symmetry fixed in the drying barrel main part inner wall, the blade of the asphalt mixing station drying barrel is changed to the bending plate from the straight board through this application, makes the aggregate in the process of being pushed by the blade with the rotating of the rolling drum, can produce more complex motion track, including more tumbling and throwing action, the design not only increases the contact area of aggregate and hot flue gas, prolongs the contact time, thereby improves the heat exchange efficiency, also promotes the uniform distribution of aggregate, ensures that every part aggregate can get sufficient and moderate drying, significantly speeds up the drying energy efficiency of stone, improves the energy utilization rate.

The utility model relates to the technical field of padding regeneration equipment, in particular to a cattle bed padding regeneration device capable of rotating at differential speed, which comprises a fermentation rotary drum, an air drying rotary drum and a differential speed connecting assembly, and the differential speed connecting assembly comprises a flanging outer flange, a smooth surface flange, a first wear-resistant mounting plate and a second wear-resistant mounting plate. The flanged outer flange is arranged on the side, close to the fermentation rotary drum, of the air drying rotary drum and comprises a first flanged edge, a second flanged edge and a third flanged edge, the first wear-resistant mounting plate makes contact with the smooth flange, the second wear-resistant mounting plate is fixedly mounted on the inner side wall of the fermentation rotary drum and makes contact with the inner side wall of the air drying rotary drum, and the third wear-resistant mounting plate is fixedly mounted on the outer side wall of the air drying rotary drum. During operation, when the fermentation rotary drum and the air drying rotary drum rotate asynchronously, the first wear-resistant mounting plate is in sliding friction with the smooth surface flange, the second wear-resistant mounting plate is in sliding friction with the inner side wall of the fermentation rotary drum, and the scheme can meet operation of the fermentation rotary drum and the air drying rotary drum at different rotating speeds.

This application relates to the field of household appliance technology, providing a clothing processing device, a drying control method, an electronic device, a medium, and a product. The clothing processing device includes: a humidity sensor for collecting humidity data corresponding to the drying drum in the clothing processing device while the drying program is running; and sending the humidity data to a processor; a temperature sensor for collecting temperature data corresponding to the drying drum; and sending the temperature data to the processor; and a processor for receiving the humidity data and the temperature data. If the humidity data reaches a first threshold continuously within a first preset time period starting from a first moment, the device determines the load type corresponding to the drying drum based on the change trend of the temperature data within the first preset time period. The load type includes a loaded type or a no-load type. The first threshold represents the humidity detected by the humidity sensor when the drying drum is unloaded. This helps improve the accuracy of the dryer's drying determination.

This invention provides a concrete production system based on microcapsule preparation and quantitative mixing, relating to the field of building material processing technology. The system includes: a base; a feeding trough fixed to the top left side of the base; a left baffle and a right baffle installed inside the drying drum, with a heating lamp fixed between the left and right baffles; four support columns fixed to the top right side of the base, with a discharge tray slidably installed on the outer side of the top of the four support columns; a discharge hopper fixed to the top of the discharge tray, and a quantitative addition plate rotatably installed on the top of the discharge tray; a second motor mounted on the bottom of the discharge tray via a bracket; a discharge guide trough fixed to the bottom right side of the discharge tray, and a vibrator installed on the top left side of the discharge tray. This system can be used on construction sites, eliminating the need for multiple material handling and transfers, improving production efficiency, and enabling accurate control of the microcapsule addition amount, ensuring the stability of project quality.

This utility model discloses a mixing and drying machine, relating to the technical field of polishing powder processing. The machine includes a drying drum with symmetrically distributed spiral ceramic heating rods installed inside. A mixing assembly is located at the top of the drum, and a discharge assembly is located at the bottom. The mixing assembly includes a mixing rod with symmetrically distributed guide rods fixed at its top. A cylinder is mounted on the upper surface of the drum. The mixing rod and spiral ceramic heating rods work together to mix and dry the raw material. The cylinder's drive end raises the mixing rod to adjust its position, preventing insufficient mixing due to a fixed mixing rod and thus improving the mixing effect. A connecting rod moves out, causing a guide plate to flip downwards along the rotating connection point. A push rod pushes the raw material into the discharge port for discharge. A baffle guides the raw material, facilitating rapid discharge.

This invention discloses a control method for a washer-dryer combo and the combo itself. The control method includes: acquiring the dynamic washing time of the washing drum during the current cycle and the set pre-drying time of the drying drum during the current cycle; determining the start time of the drying drum's pre-drying based on the difference between the dynamic washing time and the set pre-drying time; using the time from the start of pre-drying to the drying drum reaching the set pre-drying temperature as the actual pre-drying time; and ending the pre-drying process when the actual pre-drying time is reached. By dynamically adjusting the washing time of the washing drum, the pre-drying time of the drying drum is dynamically adjusted, preventing the drying drum from starting pre-drying prematurely, saving electricity, and effectively improving the user experience. A washer-dryer combo is also provided, comprising a washing machine and a dryer stacked on top of the washing machine. The washing machine has a washing drum, and the dryer has a drying drum, employing the aforementioned control method for the washer-dryer combo.

This utility model discloses a drying chamber for corundum green balls with a stirring device, including a drying drum and a stirring device. The drying drum has a feed inlet at the top and a discharge outlet at the bottom. A vibrating screen is installed below the discharge outlet. An air outlet is located on the wall of the drying drum near the top. The stirring device includes a stirring shaft inside the drying drum and a stirring arm connected to the stirring shaft. Both the stirring shaft and the stirring arm have a hollow structure. Hot air is connected to the outside of the stirring shaft, and the stirring arm and the portion of the stirring shaft below its connection point with the stirring shaft have through holes communicating with the hollow structure. This utility model can effectively avoid drying dead zones, evenly distribute the hot air flow field inside the drying drum, ensure the drying effect of the corundum green balls, and improve drying uniformity.

This utility model relates to the field of heat insulation strip processing and discloses a drying device for producing honeycomb heat insulation strips. The device includes a drying drum, a heating box at the top of the drying drum, a three-way pipe at the bottom of the heating box, a motor on the side wall of the drying drum, a gear shaft fixedly connected to the output end of the motor, a gear ring meshing with the outer wall of the gear shaft, a fixing ring fixedly connected to the inner wall of the drying drum, a rotating ring rotatably connected to the inner wall of the fixing ring, a fixing frame fixedly connected to the right inner wall of the drying drum, and a movable plate slidably connected to the inner wall of the fixing frame. In this utility model, the motor drives the gear shaft to rotate, causing the rotating ring to rotate and achieving multi-angle airflow. Combined with the protrusion of the gear shaft pressing the pressing block, this causes the placement frame to vibrate and flip the heat insulation strips, effectively avoiding uneven heating of the heat insulation strips and ensuring uniform heating of all parts, thus guaranteeing drying quality.

The present invention relates to the field of laundry treatment apparatuses, and specifically provides a laundry treatment apparatus, aiming at solving the problem of cumbersome operations when users use existing laundry treatment apparatuses to simultaneously handle large and small items of laundry. To this end, the laundry treatment apparatus of the present invention comprises a housing, a drying drum and washing drums, wherein the drying drum and the washing drums are both disposed in the housing; there are multiple washing drums, and the volumes of at least two washing drums are different. The described configuration allows users, when handling laundry items, to select an appropriate washing drum on the basis of the size and quantity of the laundry items for washing on the same laundry treatment apparatus. For example, a small-volume washing drum can be selected for small items of laundry, and a large-volume washing drum can be selected for large items of laundry. After washing of the large and small items of laundry is completed, the laundry items can be directly placed into the drying drum for drying, thereby eliminating cumbersome intermediate steps, and greatly improving user experience.

The present application relates to chicken manure production technical field, and disclose a kind of built-in chicken manure air-drying drum device of scattering anti-caking mechanism, including rack, the rack upper end is respectively fixedly connected with feed inlet box and discharge box by support, the feed inlet box inner wall and discharge box inner wall are sealingly rotatably connected with drum, the drum inner wall is fixedly connected with multiple feeding plates, the feed inlet box inner wall is sealingly fixedly connected with air supply box, the air supply box inner wall is sealingly rotatably connected with hollow rod, the hollow rod inner wall is provided with multiple air outlet holes, and the hollow rod side wall is fixedly connected with multiple scattering rods.The drum rotates and the hollow rod rotates, multiple feeding plates and multiple scattering rods rotate, which can scatter chicken manure during air-drying process, avoid chicken manure caking during air-drying process, cause uneven air-drying of chicken manure and carbonization of some materials due to excessive air-drying, affect the smooth progress of subsequent fermentation process, and reduce the quality of organic fertilizer finished product.

This invention relates to the field of organic-inorganic compound fertilizer manufacturing technology, and discloses a drying device for processing raw materials of organic-inorganic compound fertilizer. The device includes a drying drum, a feeding chamber, a discharging chamber, and a drive unit. Multiple lifting plates are installed inside the drying drum, and a rotating shaft is also installed inside. The drying drum includes a screening area and a processing area. Multiple sieve plates are installed on the rotating shaft, and each sieve plate in the screening area has a receiving frame installed at one end. Each receiving frame has multiple kneading parts inside. Screening holes are provided on both the sieve plates and the receiving frames. In this drying device for processing raw materials of organic-inorganic compound fertilizer, when the lifting plates touch the pressure rollers via the sieve plates, the arc-shaped frame, and the kneading rollers, a strong magnet on the sliding plate frame drives the sliding rod frame through magnetic repulsion, causing the arc-shaped frame to move the kneading rollers towards the opening of the receiving frame. The agglomerates falling into the receiving frame are efficiently peeled off and dispersed into individual particles by the force applied.

This invention provides a vacuum drying device for water-soluble inorganic salt carriers, relating to the field of water-soluble inorganic salt carrier drying technology. It includes a drying chamber and a drying drum. A vacuum pump is located at the back of the drying chamber, and a connecting pipe is fixedly installed on the top of the vacuum pump, with the output end of the connecting pipe connected to the interior of the drying chamber. A mounting frame is fixedly installed on the top of the drying drum. In this invention, the air inside the drying chamber is extracted by the vacuum pump and connecting pipe. Then, a controller activates two heating tube assemblies, which, with the assistance of temperature sensors, heat the interior to the required temperature. Next, the controller activates a drive motor, which drives a drive rod and multiple stirring blades to stir the material, ensuring uniform heating and moisture diffusion within the drying drum, thus ensuring thorough drying and improving the vacuum drying effect on water-soluble inorganic salt carriers.

The utility model provides a kind of countercurrent continuous raw regeneration integrated drying drum, including drum body and burner;Drum body is used to bring animal material from its first end to the movement of second end, and drum body includes the wind hot section, fire hot section and mixed hot section sequentially communicated;Burner is fixed in second end and passes through mixed hot section to fire hot section and injects high-temperature flame;The front end of wind hot section is provided with raw aggregate inlet, and the front end peripheral wall of fire hot section is equipped with regenerative coarse material inlet, and the front end peripheral wall of mixed hot section is equipped with regenerative fine material inlet, and the rear end of mixed hot section is provided with mixed material outlet;The inner peripheral wall of mixed hot section is equipped with stirring vane, and stirring vane is used to stir raw aggregate, regenerative coarse material and regenerative fine material entering mixed hot section in the rotating process of drum body.The utility model provides a kind of countercurrent continuous raw regeneration integrated drying drum, can avoid mixed material heating drying process to appear stick wall, to improve regenerative addition proportion in mixed material and heating drying efficiency.

This invention discloses a correction and alignment device for flange connection on a spin-drying drum, relating to the field of washing machine repair technology. It includes a flange one and a flange two, and a main body. A correction plate is fixedly connected to the surface of the main body, and a snap-fit ​​base is slidably connected to the bottom surface of the main body. A correction component for driving the main body to move is provided on the snap-fit ​​base. Two clamping rods are provided inside the main body, and openings for displacement of the two clamping rods are respectively provided on the surface of the main body. A mating rod is provided below each of the two clamping rods. It also includes two auxiliary components, both located within the main body. Through the arrangement of the two auxiliary components, the two clamping rods first undergo relative displacement and then move vertically upwards synchronously. Furthermore, it includes two mating components, which are respectively connected to the two auxiliary components. Through the mutual cooperation of the above structures, this invention improves the actual user experience after flange correction and ensures the flatness of the flange connection surface.

This utility model relates to the field of tea processing technology and discloses a tea drying device, including a box body. A heating base is fixedly connected to the bottom of the box body, and an air inlet is provided at the bottom of the box body. A drying drum is rotatably connected to the inner wall of the box body, and a filter hole is provided on the surface of the drying drum. A connecting frame is fixedly connected to the side wall of the box body, and a servo motor is fixedly connected to the side wall of the connecting frame. A rotating shaft is fixedly connected to the output end of the servo motor, and the rotating shaft extends into the inner cavity of the drying drum. Multiple sets of rotating plates are fixedly connected to the side wall of the rotating shaft, and scrapers are fixedly connected to the ends of the rotating plates, with the scrapers adhering to the inner wall of the drying drum. This tea drying device drives the servo motor to rotate the rotating plates and scrapers through the rotating shaft, which can fully stir and disperse the tea leaves. The rotating drying drum can prevent the tea leaves from sticking to the surface of the drying drum for a long time, thus avoiding the tea leaves from sticking to the inner wall of the drying drum. In summary, it facilitates the full dispersion and drying of the tea leaves.

This utility model relates to the technical field of asphalt fume treatment equipment, specifically to a hot recycling additive device for asphalt fume treatment, including a recycling drying drum and a flue gas treatment component. One end of the recycling drying drum is equipped with a combustion chamber, and the other end is equipped with a discharge smoke box for connecting to the flue gas treatment component. The flue gas treatment component includes a gas-solid separation box, with an air inlet at the top and two conveying pipes at the bottom. After the asphalt fume is subjected to two settling operations using the discharge smoke box and the gas-solid separation box, solid particles in the asphalt fume are removed before combustion treatment. Compared with the use of dust collector bags, the settling-type solid removal equipment has a longer service life and lower maintenance costs. The gas-solid separation before combustion also reduces wear and tear on the combustion equipment and extends its service life.

This utility model belongs to the field of cigarette manufacturing technology and discloses a testing auxiliary fixture and a packaging machine. The testing auxiliary fixture includes a base, a spring, and a pressing component. The spring is connected to the base and has a splicing edge area and a contact area. The contact area can be raised relative to the base under its own elastic force and is used to abut against the object to be tested. The pressing component is connected to the base and presses against the edge area of ​​the spring on the side away from the base. The packaging machine includes the above-mentioned testing auxiliary fixture. Because the pressing component on the testing auxiliary fixture presses against the spring, it can prevent the edge area of ​​the spring from rubbing against the drying drum after being raised due to its own elastic force, avoiding damage to the spring due to poor contact between the spring and the drying drum. This reduces the number of downtimes caused by testing auxiliary fixture malfunctions and improves the overall working efficiency of the packaging machine.

This invention discloses a knitted fabric dyeing apparatus, comprising a fabric feeding frame, a scouring tank, a washing tank, a dyeing tank, and a drying drum unit connected in sequence. The drying drum unit includes a column, multiple drying drums, a steam inlet system, and a drainage system. The steam inlet system introduces high-temperature steam into the drying drums, and the drainage system discharges condensate from the drying drums. The drying drum unit includes several pre-drying drums located in front of the multiple drying drums. The knitted fabric is heated sequentially through the pre-drying drums from front to back before being dried by the drying drums. Each pre-drying drum includes an outer drum and an inner drum, forming a jacketed cavity between them. The jacketed cavities of the front and rear pre-drying drums are connected sequentially by pipelines. The jacketed cavity of the rearmost pre-drying drum is connected to the drainage system, and the condensate is discharged sequentially through the pre-drying drums from back to front. This invention provides a knitted fabric dyeing apparatus that steadily heats and dries knitted fabric, facilitating the maintenance of stable conveying tension.

This utility model belongs to the technical field of drying equipment, and particularly relates to a fluidized bed dryer that is easy to clean. The device includes: a drying drum, the interior of which is suitable for drying materials; at least one stirring column disposed inside the drying drum, and the stirring column having a plurality of vents along its circumference; wherein, an adjusting column is rotatably disposed inside the stirring column, and the adjusting column has a plurality of blocking blocks along its circumference; and, when cleaning the inner wall of the drying drum, the adjusting column rotates so that the blocking blocks block the vents along the circumference of the stirring column, thereby allowing air to blow through the vents towards the inner wall of the drying drum to clean the material adhering to the inner wall of the drying drum. By setting an adjusting column inside the stirring column and controlling the rotation of the adjusting column, during material drying, the vents of the stirring column are fully open; during cleaning the drying drum, most of the vents are blocked, and the vents towards the inner wall of the drying drum are reduced in size, forming an air knife, which rotates with the stirring column to clean the inner wall of the drying drum.

This application discloses a garment processing device and an automatic drying drum control method, comprising: a housing, the housing including: a front panel with a drain pump inspection port; a back panel with an air inlet; an air inlet duct disposed within the housing, one end of which is connected to the air inlet and the other end to the outer drum; a heating element disposed within the air inlet duct to heat the drying air flowing through it; an inspection cover covering the drain pump inspection port, the cover having an air outlet; an air outlet duct disposed within the housing, one end of which is connectable to the outer drum and the other end to the air outlet; and a fan assembly connected to the air inlet duct and / or the air outlet duct to drive the drying air to flow sequentially through the air inlet duct, the outer drum, and the air outlet duct. This allows for the drying of moisture from both the outer and inner drums, and the humid drying air can be discharged from the air outlet on the front inspection cover, facilitating user perception of the drying effect and increasing the structural strength of the housing.

This invention discloses a waste heat recovery device for exhaust air in glass fiber drying, relating to the field of drying equipment technology. The device includes a frame, a rotary drying drum, an air guide hood, and a return air duct. This invention achieves waste heat recovery from the exhaust air in the rotary drying drum by combining indirect heat conduction through condensation dehumidification with direct circulation of the exhaust air. When the humidity in the exhaust air is high, low-temperature outside air is introduced through the air guide duct to condense and remove moisture from the exhaust air. The air heated during dehumidification is then guided to an insulation hood outside the rotary drying drum to maintain its temperature. When the humidity in the exhaust air is low, the exhaust air is directly introduced into a hot air circulation system, utilizing the high-heat exhaust air for further drying. This combination of two waste heat recovery methods maximizes the utilization of the waste heat from the exhaust air in the rotary drying oven.

This utility model discloses a heating and drying drum with an anti-scalding basket, including a base, a drum body fixedly installed on the top of the base, an air outlet hood fixedly installed on the upper surface of the base, an air outlet tower fixedly installed at the center of the upper surface of the air outlet hood, basket tracks fixedly installed on both outer walls of the air outlet tower, a basket slidably fitted on the outside of the air outlet tower, the basket and the basket tracks being slidably connected, a basket bottom fixedly installed at the bottom of the basket, positioning beads installed on both outer walls above the air outlet tower, a positioning groove adapted to the positioning beads provided on the inner wall of the bottom of the basket, and a heating element fixedly installed inside the base. This utility model indirectly moves the towel fabric upward by pulling the basket, so that the dried towel fabric is removed from the drying drum and placed in the air for conventional cooling treatment, thereby increasing the cooling speed. By driving the towel fabric upward and removing it through the basket, direct manual contact with the dried towel fabric can be effectively avoided.

This invention discloses a honey concentration and drying machine with a reduced size and automatic tilting mechanism, and its operating method. The structure includes a honey dispensing valve, a sealing cap, an infrared sensor, a tilting drying drum, a connecting rod, a humidity sensor, a hollow rotating shaft, a motor, a controller, a support frame, a second honey placement trough, an exhaust fan, a guide rod, a first honey placement trough, and a control board. The top of the second honey placement trough and the bottom of the first honey placement trough are each provided with several perforations. Compared with existing technologies, this invention has the following advantages: the spiral guide rod design further reduces the length of the drying drum and increases the contact area between the honey and air, maximizing the utilization of the limited volume; it also allows for automatic vertical tilting via a timer, enabling automatic drying while simultaneously considering harvesting time and quality.

This utility model provides a protective slag drying device, belonging to the field of protective slag drying technology. It includes a barrel body, with a feed pipe on one side of the upper part of the barrel body and a discharge pipe at the center of the lower part. An efficient drying mechanism is installed inside the barrel body, comprising a drying drum and a dehumidification component located at the center of the barrel body. The drying drum is used to hold the protective slag, and its bottom is connected to the discharge pipe. The dehumidification component is used to dehumidify and dry the protective slag inside the drying drum. This utility model can improve the drying and dehumidification effect of the protective slag, reduce the labor intensity of workers, and achieve high drying efficiency.

This utility model relates to the technical field of recycled material drying equipment, specifically to a heating structure for a recycled material drying cylinder, including a cylinder body and a combustion chamber. Inside the cylinder body, along the material conveying direction, a guiding section, a combing section, and a heating section are arranged sequentially. A cavity cleaning module is provided on the side wall of the heating section. The cavity cleaning module includes a cleaning chain, with mounting plates at both ends of the cleaning chain. The mounting plates are equipped with adjustment devices for adjusting the tension of the cleaning chain. The design of the cleaning chain enables secondary material dispersal during cylinder rotation. Simultaneously, the cleaning chain achieves rapid heat conduction and cleaning of the inner wall, improving material heating efficiency while ensuring the cleanliness of the cylinder sidewalls, reducing subsequent equipment maintenance and cleaning costs. Furthermore, the adjustment device allows for adjusting the tension of the cleaning chain according to the material specifications, enhancing the equipment's applicability.

This invention discloses a plastic dryer, comprising a drying mechanism and a frequency conversion mechanism. The drying mechanism includes a drying drum, a frequency conversion drying fan, and a drying heater. The drying heater is connected to the air outlet of the frequency conversion drying fan. The drying drum is connected to the air outlet of the drying heater. The top of the drying drum has a feed inlet and an exhaust outlet. The bottom of the drying drum has a discharge outlet. The frequency conversion mechanism includes a controller, a temperature control sensor, and a temperature measuring sensor. The temperature control sensor is located on one side of the ventilation pipe between the drying heater and the drying drum. The temperature measuring sensor is located on one side of the drying drum. The temperature control sensor and the temperature measuring sensor are electrically connected to the controller. The controller is electrically connected to the frequency conversion drying fan. This application can achieve energy-saving and environmentally friendly effects and reduce production costs.

This utility model belongs to the field of drying equipment for asphalt mixing plants, specifically a recycled and virgin dual-material drying drum for a fully mobile asphalt mixing plant. It includes a recycled and virgin dual-material drying drum, a base plate, a drying mechanism, and a feeding mechanism. The recycled and virgin dual-material drying drum is fixedly installed on the base plate. The drying mechanism is located inside the recycled and virgin dual-material drying drum, and a feeding mechanism is located on one side of the drum. The drying mechanism includes a burner, a guide pipe, a spiral plate, a temperature sensor, and a motor. A support is fixedly installed on the top of the recycled and virgin dual-material drying drum, and the burner and control panel are mounted on the support. The burner is connected to the control panel. This utility model, through the cooperation of its various components, can increase the drying time of the raw materials and can also achieve cyclic drying efficiency according to user needs, thus improving flexibility.

The present application discloses a kind of heavy oil burner clean combustion system and combustion control method and burner, system includes: oil gun, ignition gun, photoelectric sensor and controller;The air inlet pipe of the oil gun is connected with gas tee valve, and oil inlet pipe is connected with fuel oil tee valve;The inlet of gas tee valve is connected with compressed air branch and fuel gas source branch respectively, and the outlet is connected with oil gas branch pipe branch;The inlet of fuel oil tee valve is connected with fuel oil branch and oil gas branch pipe branch respectively, and the outlet is connected with oil inlet pipe;The inlet of fuel gas source branch is connected with fuel gas branch, and the outlet of fuel gas branch is also connected with ignition branch;Switch valve is arranged in each branch described above;Photoelectric sensor is used to detect whether flame exists;The signal input end of the controller is connected with photoelectric sensor, and signal output end is connected with each switch valve.The present application has high ignition success rate, oil mist is fully combusted, avoids fuel coking, clogs nozzle drying drum and dust cloth bag, and prevents temperature from being too high to damage cloth bag.