A fumigation device

Abstract

The application discloses a fumigation device and belongs to the field of traditional Chinese medicine nursing. The fumigation device comprises a fumigation bed and a fumigation cover, and further comprises: a fumigation part arranged on the fumigation bed and used for generating and providing fumigation steam; a driving part arranged on the fumigation bed and connected with the fumigation part, and used for providing driving force by using steam energy of the fumigation part; a cleaning part arranged on the fumigation cover and connected with the driving part, wherein the driving part drives the cleaning part to move along the inner wall of the fumigation cover so as to clean the inner wall of the fumigation cover, and the cleaning part can change the transmission direction of the driving part, so that the cleaning part reciprocates along the inner wall of the fumigation cover; and a collecting part arranged on the fumigation bed and used for collecting liquid after the inner wall of the fumigation cover is cleaned, wherein the collecting part is electrically connected with the fumigation part. The fumigation device can overcome the problems of fast steam dissipation speed in the fumigation process, easy scalding of a user and poor fumigation effect.

Description

Technical Field

[0001] This invention relates to the field of traditional Chinese medicine nursing technology, and in particular to a fumigation device. Background Technology

[0002] Fumigation is a traditional Chinese medicine therapy that uses steam to treat the body. The benefits and effects of fumigation typically include promoting blood circulation, dispelling wind and cold, removing dampness, relieving fatigue, and improving sleep quality. It can promote blood circulation, thus promoting blood circulation and removing blood stasis; it can also stimulate the cerebral cortex, effectively improving sleep quality and relieving insomnia symptoms; it opens the pores of the body, facilitating the expulsion of cold air, thus dispelling wind and cold; and it helps expel dampness from the body, thus removing dampness and providing an adjunctive treatment effect for patients with excessive dampness in their bodies.

[0003] Most current fumigation devices directly generate steam by heating Chinese herbal medicine liquid to fumigate users. During the fumigation process, the steam will adhere to the inner wall of the device to form water droplets, which will accelerate the dissipation of the steam and affect the fumigation effect. Moreover, it is difficult to control the amount and temperature of the steam, which can easily lead to burns to users or poor fumigation effect. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of rapid steam dissipation, easy burns to users, and poor fumigation effect in the existing technology, and to propose a fumigation device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A fumigation device includes a fumigation bed and a fumigation hood, and further includes: a fumigation section disposed on the fumigation bed for generating and providing fumigation steam; a drive section disposed on the fumigation bed and connected to the fumigation section for using the steam energy of the fumigation section to provide driving force; a cleaning section disposed on the fumigation hood and connected to the drive section, wherein the drive section drives the cleaning section to move along the inner wall of the fumigation hood to clean the inner wall of the fumigation hood, and the cleaning section is capable of changing the transmission direction of the drive section to reciprocate along the inner wall of the fumigation hood; and a collection section disposed on the fumigation bed for collecting the liquid after cleaning the inner wall of the fumigation hood, wherein the collection section is electrically connected to the fumigation section.

[0006] To facilitate more uniform fumigation and steam distribution during fumigation, preferably, the fumigation unit includes a base plate fixedly connected to the fumigation bed, a material box and a heater fixedly connected to the base plate, the heater being connected to the material box, a distributor fixedly connected to the side of the fumigation bed near the material box, and multiple sets of fumigation holes opened on the side of the fumigation bed near the distributor.

[0007] To improve steam utilization and reduce the probability of users being scalded, the drive unit further includes a steam drive device fixedly connected to the fumigation bed. A steam input pipe is connected between the input end of the steam drive device and the upper part of the side wall of the material box. A steam output pipe is connected between the output end of the steam drive device and the output end of the distributor. A reversing mechanism is connected to the power output end of the steam drive device.

[0008] To facilitate the cleaning of water droplets on the inner wall of the fumigation hood, the reversing mechanism further includes a rotating shaft rotatably connected to the fumigation bed. One end of the rotating shaft is fixedly connected to an installation ring, and a drive gear is slidably connected to the rotating shaft. Two sets of connecting shafts are symmetrically rotatably connected to the fumigation bed. A first reversing gear and a second reversing gear are respectively sleeved on the two sets of connecting shafts. The first reversing gear and the second reversing gear are staggered, and the first reversing gear or the second reversing gear meshes with the drive gear.

[0009] To facilitate adjustment of the rotation direction of the drive gear, the reversing mechanism further includes a first cylinder symmetrically fixedly connected to the fumigation bed, a second cylinder symmetrically fixedly connected to the mounting ring, pulleys sleeved on both sets of connecting shafts, and a belt sleeved between the two sets of pulleys. A transmission shaft is rotatably connected between the first reversing gear and the steam drive device. The output ends of the first and second cylinders are in contact with the drive gear, and the two ends of the transmission shaft are rotatably connected to the power output end of the steam drive device and the side wall of the first reversing gear, respectively. The end of the transmission shaft is eccentrically set with respect to the side wall of the first reversing gear.

[0010] To ensure a more thorough cleaning of water droplets on the inner wall of the fumigation hood, the cleaning unit further includes a linkage shaft rotatably connected to the fumigation hood. One end of the fumigation hood is rotatably connected to the fumigation bed. A bracket is fixedly connected to the linkage shaft. A scraper is fixedly connected to one end of the bracket. A collection box is rotatably connected to one end of the bracket. A counterweight is fixedly connected to the bottom of the collection box. A limit ring is fixedly connected to the fumigation hood. The scraper is in contact with the inner wall of the fumigation hood. The collection box is located below the scraper. One end of the collection box is open. The inner diameter of the limit ring matches the size of the bracket.

[0011] To achieve continuous cleaning of the inner wall of the fumigation hood, the system further includes fixed plates symmetrically fixed to the inner wall of the fumigation hood. Adjusting cylinders are fixedly connected to the fixed plates, and one side of the adjusting cylinder is connected to the input end of the first cylinder via a pipe.

[0012] To prevent water droplets inside the fumigation hood from affecting the user's fumigation, the collection unit further includes a drainage trough and a drainage hole on the fumigation bed. A recycling box is fixedly connected to the base plate, and a drainage pipe is connected between the upper part of the side wall of the recycling box and the drainage hole. The drainage trough is located below the inner side wall of the fumigation hood.

[0013] To facilitate automatic control of steam discharge rate and temperature, the system further includes a baffle rotatably connected inside the drain pipe. An elastic rheostat is fixedly connected to the inner wall of the drain pipe, with one end of the elastic rheostat fitting against the bottom of the baffle. The elastic rheostat is electrically connected to the heater.

[0014] To ensure the stable operation of the steering mechanism, an intake pipe is further included, which is rotatably connected to one side of the mounting ring. The intake pipe is located at the center of the mounting ring and is connected to the input end of the second cylinder. The intake pipe is also connected to the output end of the adjustment cylinder on one side via a pipe.

[0015] Compared with the prior art, the present invention provides a fumigation device with the following beneficial effects: 1. This fumigation device generates steam through the fumigation section and introduces the generated steam into the drive section, so that the drive section provides power to the reversing mechanism. This not only improves the utilization rate of steam, but also avoids scalding the user with the generated steam, thus improving the practicality of the device.

[0016] 2. This fumigation device uses a drive unit to drive a reversing mechanism to rotate, which in turn drives a cleaning unit to rotate, cleaning water droplets on the inner wall of the fumigation hood. Under the action of an adjusting cylinder, when the reversing mechanism rotates to a certain position, it causes the cleaning unit to rotate in the opposite direction, thereby continuously cleaning the inner wall of the fumigation hood. This greatly reduces the rate at which steam dissipates during fumigation, improving the fumigation effect for the user. At the same time, it also prevents water droplets adhering to the inner wall of the fumigation hood from dripping onto the user, improving user comfort.

[0017] 3. This fumigation device can collect the cleaned water through the collection section, and can also detect the fumigation speed and adjust the fumigation speed according to the water flow speed, thereby ensuring the stability of the user during fumigation, ensuring the fumigation effect, and reducing the waste of Chinese medicine liquid.

[0018] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This invention can overcome the problems of rapid steam dissipation during fumigation, easy burns to users, and poor fumigation effect. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the structure of a fumigation device proposed in this invention. Figure 1 .

[0020] Figure 2 This is a schematic diagram of the structure of a fumigation device proposed in this invention. Figure 2 .

[0021] Figure 3 This is a cross-sectional structural diagram of a fumigation device proposed in this invention.

[0022] Figure 4 This is a schematic diagram of the structure of the fumigation bed in a fumigation device proposed in this invention.

[0023] Figure 5 This is a schematic diagram of the structure of the fumigation hood in a fumigation device proposed in this invention.

[0024] Figure 6 This is a cross-sectional structural diagram of the fumigation hood in a fumigation device proposed in this invention.

[0025] Figure 7 This is a partial structural diagram of a fumigation device proposed in this invention. Figure 1 .

[0026] Figure 8 This is a partial structural diagram of a fumigation device proposed in this invention. Figure 2 .

[0027] Figure 9 This is a partial cross-sectional structural diagram of the drain pipe in a fumigation device proposed in this invention.

[0028] In the diagram: 1. Fumigation bed; 2. Fumigation hood; 3. Base plate; 4. Material bin; 5. Heater; 6. Recovery bin; 7. Steam drive equipment; 8. Steam input pipe; 9. Distributor; 10. Steam output pipe; 11. Fumigation hole; 12. Directional change mechanism; 121. Rotating shaft; 122. Mounting ring; 123. Drive gear; 124. First cylinder; 125. Second cylinder; 126. Connecting shaft; 127. First directional change gear; 28. Second reversing gear; 129. Pulley; 1210. Belt; 1211. Drive shaft; 1212. Air inlet pipe; 13. Linkage shaft; 14. Bracket; 15. Scraper; 16. Collection box; 17. Counterweight; 18. Fixing plate; 19. Adjusting cylinder; 20. Drainage trough; 21. Drainage hole; 22. Drainage pipe; 23. Baffle; 24. Flexible rheostat; 25. Limiting ring; 26. Extension hole; 27. Handle. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0030] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0031] Reference Figures 1-9 A fumigation device includes a fumigation bed 1 and a fumigation hood 2. The end of the fumigation hood 2 is provided with an extension hole 26 for the user to extend their head during fumigation. A handle 27 is fixedly connected to the outer wall of the fumigation hood 2 so that the user can open and close the fumigation hood 2 to ensure the fumigation effect and stability.

[0032] Reference Figures 1-3 The fumigation section is set on the fumigation bed 1 and is used to generate and provide fumigation steam. The fumigation section includes a base plate 3 fixedly connected to the fumigation bed 1. A material box 4 and a heater 5 are fixedly connected to the base plate 3. The heater 5 is connected to the material box 4. A distributor 9 is fixedly connected to the side of the fumigation bed 1 near the material box 4. Multiple sets of fumigation holes 11 are opened on the side of the fumigation bed 1 near the distributor 9.

[0033] Specifically, the specific structures of the heater 5 and the distributor 9 can be referred to in the existing technical solutions, which are known to those skilled in the art and will not be elaborated here. The top of the material box 4 is provided with a cover plate, which is a conventional means in the prior art. The material box 4 is used to hold the Chinese medicine liquid. The heater 5 can heat the Chinese medicine liquid. When the Chinese medicine liquid is heated to a certain temperature, it can generate steam. In addition, the side of the fumigation bed 1 near the fumigation hole 11 is slightly convex to ensure the water flows by gravity. In use, first add the Chinese medicine liquid required for fumigation into the material box 4, then turn on the heater 5 to heat the Chinese medicine liquid in the material box 4. As the temperature of the Chinese medicine liquid continues to rise, the Chinese medicine liquid will generate steam. When the steam enters the distributor 9, the distributor 9 can make the steam evenly distributed under the fumigation bed 1. Finally, it enters the fumigation hood 2 through the fumigation hole 11 to fumigate the user.

[0034] Reference Figure 1 and Figure 7The drive unit is installed on the fumigation bed 1 and connected to the fumigation section. It is used to provide driving force by utilizing the steam energy of the fumigation section. The drive unit includes a steam drive device 7 fixedly connected to the fumigation bed 1. A steam input pipe 8 is connected between the input end of the steam drive device 7 and the upper side wall of the material box 4. A steam output pipe 10 is connected between the output end of the steam drive device 7 and the output end of the distributor 9. A reversing mechanism 12 is connected to the power output end of the steam drive device 7.

[0035] Specifically, the specific structure of the steam-driven device 7 can be referred to in the existing technical solutions, which are known to those skilled in the art and will not be elaborated here. For example, the structure of a steam engine. In addition, the number of input and output ends on the steam-driven device 7 is not limited, as long as it can drive the power output end of the steam-driven device 7 to move back and forth when steam is introduced into the steam-driven device 7. The steam generated by the Chinese medicine liquid first enters the steam-driven device 7 through the steam input pipe 8, and then enters the distributor 9 through the steam output pipe 10. During this process, the steam can drive the power output end of the steam-driven device 7 to move back and forth. After passing through the steam-driven device 7, the temperature of the steam will decrease. It should be explained that the temperature of the steam will decrease, but the decrease is limited and will not affect the user's fumigation. This not only improves the utilization rate of steam, but also avoids the high temperature of the newly generated steam, which may cause burns to the user, making it more suitable for the rehabilitation and care of elderly patients.

[0036] Reference Figure 1 , Figure 7 and Figure 8The reversing mechanism 12 includes a rotating shaft 121 rotatably connected to the side of the fumigation bed 1 near the steam driving device 7. A mounting ring 122 is fixedly connected to the end of the rotating shaft 121 away from the fumigation bed 1. A drive gear 123 is slidably connected to the rotating shaft 121. Two sets of connecting shafts 126 are symmetrically rotatably connected to the side of the fumigation bed 1 near the rotating shaft 121. A first reversing gear 127 and a second reversing gear 128 are respectively sleeved on the two sets of connecting shafts 126. The first reversing gear 127 and the second reversing gear 128 are staggered, and either the first reversing gear 127 or the second reversing gear 128 meshes with the drive gear 123. The reversing mechanism 12 also includes components symmetrically fixedly connected to the side of the fumigation bed 1 near the drive gear 123. The first cylinder 124 is symmetrically fixed to the second cylinder 125 on the side of the mounting ring 122 near the drive gear 123. Both sets of connecting shafts 126 are fitted with pulleys 129, and a belt 1210 is fitted between the two sets of pulleys 129. The first reversing gear 127 is rotatably connected to the steam drive device 7 by a drive shaft 1211. The output ends of the first cylinder 124 and the second cylinder 125 are in contact with the drive gear 123. The rotating shaft 121 is located inside the belt 1210. The two ends of the drive shaft 1211 are rotatably connected to the power output end of the steam drive device 7 and the side wall of the first reversing gear 127, respectively. The end of the drive shaft 1211 is eccentrically set with respect to the side wall of the first reversing gear 127.

[0037] Specifically, when the steam output end reciprocates, due to the eccentric setting of the drive shaft 1211 on the first reversing gear 127, the first reversing gear 127 can be driven to rotate continuously in the same direction. When the first reversing gear 127 meshes with the drive gear 123, the drive gear 123 can rotate forward. When the first reversing gear 127 meshes with the drive gear 123, the drive gear 123 can rotate in the opposite direction. It should be explained that the distance between the first reversing gear 127 and the second reversing gear 128 along the connecting shaft 126 matches the size of the drive gear 123. Furthermore, the surface of the rotating shaft 121 is provided with protrusions, allowing the drive gear 123 to move on the rotating shaft 121 without relative rotation. First, the power output of the steam-driven device 7 drives the first reversing gear 127 to rotate. Under the action of the pulley 129 and the belt 1210, the second reversing gear 128 rotates synchronously and in the same direction as the first reversing gear 127. Initially, the drive gear 123 meshes with the first reversing gear 127. When the scraper 15 rotates to a certain position, it can drive the first cylinder 124 to extend outward, causing the drive gear 123 to move towards the side of the second reversing gear 128. When the drive gear 123 disengages from the first reversing gear 127, it meshes with the second reversing gear 128, thereby driving the drive gear 123 to rotate in the opposite direction, causing the scraper 15 to move in the opposite direction inside the fumigation hood 2, thereby continuously cleaning the inner wall of the fumigation hood 2, reducing the condensation of water droplets inside the fumigation hood 2, reducing the steam dissipation rate, and improving the fumigation effect for the user. It can be used for rehabilitation and nursing care of elderly patients.

[0038] Reference Figure 3 , Figure 5 and Figure 6 The cleaning part is installed on the fumigation hood 2 and connected to the drive part. The drive part drives the cleaning part to move along the inner wall of the fumigation hood 2 to clean the inner wall of the fumigation hood 2. The cleaning part can change the transmission direction of the drive part so that the cleaning part reciprocates on the inner wall of the fumigation hood 2.

[0039] The cleaning unit includes a linkage shaft 13 rotatably connected to the side of the fumigation hood 2 near the rotating shaft 121. One end of the fumigation hood 2 is rotatably connected to the fumigation bed 1. A bracket 14 is fixedly connected to the linkage shaft 13. A scraper 15 is fixedly connected to the end of the bracket 14 near the inner wall of the fumigation hood 2. A collection box 16 is rotatably connected to the end of the bracket 14 near the scraper 15. A counterweight 17 is fixedly connected to the bottom of the collection box 16. A limit ring 25 is fixedly connected to the side of the fumigation hood 2 near the bracket 14 away from the linkage shaft 13. The end of the linkage shaft 13 extends at least partially to the outside of the fumigation hood 2. The linkage shaft 13 and the rotating shaft 121 are detachably connected. The two sides of the scraper 15 away from the bracket 14 are inclined and fit against the inner wall of the fumigation hood 2. The collection box 16 is located below the scraper 15. The size of the collection box 16 is larger than the size of the scraper 15. One end of the collection box 16 is open. The inner diameter of the limit ring 25 matches the size of the bracket 14. It also includes a fixing plate 18 symmetrically fixedly connected to the inner wall of the fumigation hood 2. An adjusting cylinder 19 is fixedly connected to the fixing plate 18. The adjusting cylinder 19 on one side is connected to the input end of the first cylinder 124 through a pipe. It also includes an air inlet pipe 1212 rotatably connected to the side of the mounting ring 122 away from the rotating shaft 121. The air inlet pipe 1212 is located at the center of the mounting ring 122. The air inlet pipe 1212 is connected to the input end of the second cylinder 125. The air inlet pipe 1212 is connected to the output end of the adjusting cylinder 19 on one side through a pipe.

[0040] Specifically, it needs to be explained that the linkage shaft 13 and the rotating shaft 121 can be fixed by bolts or other means to facilitate the opening and closing of the fumigation hood 2. The opening end of the collection box 16 is far away from the protrusion hole 26, which can prevent water from flowing directly onto the user's body. When water droplets flow downward with the inner wall of the fumigation hood 2, the fixing plate 18 can guide the water droplets so that they drip into the drain trough 20. When the rotating shaft 121 is rotating, the air inlet pipe 1212 ensures that the gas passes through without affecting the rotation of the rotating shaft 121, and the pipe will not become entangled. During operation, the rotating shaft 121 drives the linkage shaft 13 to rotate, which in turn drives the bracket 14 and scraper 15 to rotate. During this process, the scraper 15 is in contact with the inner wall of the fumigation hood 2, which can clean the water droplets attached to the inner wall of the fumigation hood 2. At the same time, the collection box 16 rotates synchronously with the scraper 15. Under the action of the counterweight 17, the collection box 16 is always located below the scraper 15 during the rotation. If the water droplets scraped by the scraper 15 flow downward along the scraper 15, they can fall into the collection box 16. The water droplets in the collection box 16 will flow towards the opening end and eventually flow into the drain trough 20. The water droplets flowing along the inner wall of the fumigation hood 2 will flow directly into the drain trough 20 under the guidance of the fixed plate 18, which avoids excessive water droplets and accelerates the dissipation of steam. When the scraper 15 rotates to the adjusting cylinder 19 on one side, it presses down the adjusting cylinder 19, causing the gas inside the adjusting cylinder 19 to enter the first cylinder 124, causing the drive gear 123 to mesh with the second reversing gear 128, thereby causing the scraper 15 to rotate in the opposite direction. When the scraper 15 contacts the adjusting cylinder 19 on the other side, it compresses the corresponding adjusting cylinder 19, causing the gas inside it to enter the second cylinder 125, causing the drive gear 123 to mesh with the first reversing gear 127 again, thereby continuously cleaning the inner wall of the fumigation hood 2 and reducing the water droplets adhering to the inner wall of the fumigation hood 2.

[0041] Reference Figure 1 , Figure 3 and Figure 4 A collection section, installed on the fumigation bed 1, is used to collect the liquid after cleaning the inner wall of the fumigation hood 2. The collection section is electrically connected to the fumigation section. The collection section includes a drainage trough 20 opened on the side of the fumigation bed 1 near the fumigation hood 2. A drainage hole 21 is opened on the side of the fumigation bed 1 near the drainage trough 20. A recovery box 6 is fixedly connected to the bottom plate 3. A drainage pipe 22 is connected between the upper part of the side wall of the recovery box 6 and the drainage hole 21. The drainage trough 20 is located below the inner wall of the fumigation hood 2. The side of the drainage trough 20 near the fumigation hood 2 is inclined. It also includes a baffle 23 rotatably connected inside the drainage pipe 22. An elastic rheostat 24 is fixedly connected to the inner wall of the drainage pipe 22. The end of the elastic rheostat 24 away from the inner wall of the drainage pipe 22 is in contact with the bottom of the baffle 23. The elastic rheostat 24 is electrically connected to the heater 5.

[0042] Specifically, when water flows past baffle 23, it generates an impact force on baffle 23. The greater the water flow, the greater the impact force, meaning the larger the contraction size of the elastic rheostat 24. It should be explained that the larger the contraction size of the elastic rheostat 24, the greater its resistance; this is a conventional method in existing technology and will not be elaborated upon. Furthermore, the drainage trough 20 can not only recover water droplets from the inner wall of the fumigation hood 2, but also collect water droplets from the fumigation bed 1. The cleaned water droplets, after flowing into the drainage trough 20, will eventually pass through… The steam is discharged through the drain hole 21. During discharge, the water flow presses down on the baffle 23, which drives the elastic rheostat 24. If the water flow is large, it means that the amount of steam generated is too large. At this time, the resistance of the elastic rheostat 24 increases, and the power of the heater 5 decreases. When the water flow is small, it means that the amount of steam generated is too small. At this time, the resistance of the elastic rheostat 24 decreases, and the power of the heater 5 increases, thereby ensuring the stability of the amount of steam generated. This ensures the fumigation effect for the user while reducing the waste of Chinese medicine liquid.

[0043] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A fumigation apparatus, comprising a fumigation bed (1) and a fumigation hood (2), characterized in that, Also includes: A fumigation section is provided on the fumigation bed (1) for generating and providing fumigation steam; A drive unit is provided on the fumigation bed (1) and connected to the fumigation unit, and is used to provide driving force by utilizing the steam energy of the fumigation unit; The cleaning part is provided on the fumigation hood (2) and connected to the driving part. The driving part drives the cleaning part to move along the inner wall of the fumigation hood (2) to clean the inner wall of the fumigation hood (2). The cleaning part can change the transmission direction of the driving part so that the cleaning part moves back and forth on the inner wall of the fumigation hood (2). A collection unit is provided on the fumigation bed (1) for collecting the liquid after cleaning the inner wall of the fumigation hood (2). The collection unit is electrically connected to the fumigation unit.

2. The fumigation device according to claim 1, characterized in that, The fumigation section includes a base plate (3) fixedly connected to the fumigation bed (1), a material box (4) and a heater (5) fixedly connected to the base plate (3), the heater (5) being connected to the material box (4), a distributor (9) being fixedly connected to the side of the fumigation bed (1) near the material box (4), and multiple sets of fumigation holes (11) being opened on the side of the fumigation bed (1) near the distributor (9).

3. The fumigation device according to claim 2, characterized in that, The drive unit includes a steam drive device (7) fixedly connected to the fumigation bed (1). A steam input pipe (8) is connected between the input end of the steam drive device (7) and the upper part of the side wall of the material box (4). A steam output pipe (10) is connected between the output end of the steam drive device (7) and the output end of the distributor (9). A reversing mechanism (12) is connected to the power output end of the steam drive device (7).

4. The fumigation device according to claim 3, characterized in that, The reversing mechanism (12) includes a rotating shaft (121) rotatably connected to the fumigation bed (1). One end of the rotating shaft (121) is fixedly connected to an installation ring (122). A drive gear (123) is slidably connected to the rotating shaft (121). Two sets of connecting shafts (126) are symmetrically rotatably connected to the fumigation bed (1). A first reversing gear (127) and a second reversing gear (128) are respectively sleeved on the two sets of connecting shafts (126). The first reversing gear (127) and the second reversing gear (128) are staggered, and the first reversing gear (127) or the second reversing gear (128) meshes with the drive gear (123).

5. A fumigation apparatus according to claim 4, characterized in that, The reversing mechanism (12) further includes a first cylinder (124) symmetrically fixedly connected to the fumigation bed (1), a second cylinder (125) symmetrically fixedly connected to the mounting ring (122), pulleys (129) sleeved on both sets of connecting shafts (126), and a belt (1210) sleeved between the two sets of pulleys (129), and a transmission shaft (1211) rotatably connected between the first reversing gear (127) and the steam drive device (7). The output ends of the first cylinder (124) and the second cylinder (125) are in contact with the drive gear (123). The two ends of the transmission shaft (1211) are rotatably connected to the power output end of the steam drive device (7) and the side wall of the first reversing gear (127), respectively. The end of the transmission shaft (1211) is eccentrically set with the side wall of the first reversing gear (127).

6. A fumigation apparatus according to claim 5, characterized in that, The cleaning unit includes a linkage shaft (13) rotatably connected to the fumigation hood (2). One end of the fumigation hood (2) is rotatably connected to the fumigation bed (1). A bracket (14) is fixedly connected to the linkage shaft (13). A scraper (15) is fixedly connected to one end of the bracket (14). A collection box (16) is rotatably connected to one end of the bracket (14). A counterweight (17) is fixedly connected to the bottom of the collection box (16). A limit ring (25) is fixedly connected to the fumigation hood (2). The scraper (15) is attached to the inner wall of the fumigation hood (2), the collection box (16) is located below the scraper (15), one end of the collection box (16) is open, and the inner diameter of the limiting ring (25) matches the size of the bracket (14).

7. A fumigation apparatus according to claim 6, characterized in that, It also includes a fixing plate (18) that is symmetrically fixed to the inner wall of the fumigation hood (2). An adjusting cylinder (19) is fixedly connected to the fixing plate (18). The adjusting cylinder (19) on one side is connected to the input end of the first cylinder (124) through a pipe.

8. A fumigation apparatus according to claim 2, characterized in that, The collection section includes a drainage trough (20) and a drainage hole (21) on the fumigation bed (1). A recycling box (6) is fixedly connected to the bottom plate (3). A drainage pipe (22) is connected between the upper side wall of the recycling box (6) and the drainage hole (21). The drainage trough (20) is located below the inner side wall of the fumigation hood (2).

9. A fumigation apparatus according to claim 8, characterized in that, It also includes a baffle (23) rotatably connected inside the drain pipe (22), an elastic rheostat (24) is fixedly connected to the inner wall of the drain pipe (22), one end of the elastic rheostat (24) is in contact with the bottom of the baffle (23), and the elastic rheostat (24) is electrically connected to the heater (5).

10. A fumigation apparatus according to claim 7, characterized in that, It also includes an intake pipe (1212) rotatably connected to one side of the mounting ring (122), the intake pipe (1212) being located at the center of the mounting ring (122), the intake pipe (1212) being connected to the input end of the second cylinder (125), and the intake pipe (1212) being connected to the output end of the side regulating cylinder (19) via a pipe.

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