Dust removal device for air pollution abatement

Abstract

The invention belongs to the technical field of dust removal, and particularly relates to an atmospheric pollution abatement dust removal device which comprises a dust removal box, a stepping motor is fixedly mounted at the top of the front side of the inner wall of the dust removal box, and the top of the dust removal box communicates with an air inlet pipe. In the dust removal device, when the dust removal box body runs, dust-containing gas enters the dust removal box body through the air inlet pipe, the pressure sensor integrated in the air inlet pipe monitors the pressure in the air inlet pipe in real time, the gas firstly passes through the impurity filter sleeve to intercept large-particle impurities and then is finely filtered through the filter plate, and the mounting ring and the sealing ring are in close contact to guarantee the sealing performance; when a large amount of dust is attached to the surface of the filter plate after the filter plate is used for a long time, the pressure in the air inlet pipe rises to trigger the pressure sensor, the stepping motor is started immediately after the sensor sends a signal, the stepping motor drives the cross plate and the U-shaped positioning plates on the periphery to rotate, position switching of the mounting ring and the filter plate is achieved, the dirty filter plate can be replaced or cleaned conveniently, and the service life of the filter plate is prolonged. Disassembly is not needed, and dust removal continuity is effectively guaranteed.

Description

Technical Field

[0001] This invention relates to the field of dust removal technology, specifically to a dust removal device for air pollution control. Background Technology

[0002] In industrial production, municipal construction, and environmental protection, particulate matter in the atmosphere is one of the main pollutants. It not only harms the health of the human respiratory system, but may also cause environmental problems such as smog and dust pollution. Therefore, dust removal equipment has become the core equipment for air pollution control.

[0003] A search revealed that Chinese patent application CN112755698A discloses an air pollution control dust removal device, comprising a liquid outlet pipe, a support base, a housing, a liquid storage tank, an inclined plate, a vertical plate, a discharge pipe, a baffle plate, an atomizing nozzle, a water pipe, an activated carbon layer, a filter screen, an air inlet pipe, an observation plate, a spring, a stop block, a moving rod, a fixed base, fastening screws, an extension plate, a fixing block, a connecting plate, a retaining ring, and a fixing frame. The device has a simple structure, is easy to use, facilitates the cleaning of the filter screen, thereby improving dust removal efficiency.

[0004] While the above-mentioned technical solutions can filter and remove dust, the installation and replacement of filter elements require shutdown and disassembly, which is cumbersome and affects the continuity of production. Especially under high-concentration dust conditions, filter elements wear out quickly, and frequent shutdowns for maintenance will significantly increase operation and maintenance costs and time costs. In view of the above-mentioned technical defects, a solution is proposed. Summary of the Invention

[0005] To address the above problems, the present invention provides the following technical solution: A dust removal device for air pollution control includes a dust collection chamber. A stepper motor is fixedly installed on the top of the front side of the inner wall of the dust collection chamber. An air inlet pipe is connected to the top of the dust collection chamber. A filter pipe is provided on the front side of the air inlet pipe. A ring plate is installed on the surface of the filter pipe. A bracket is installed on the surface of the air inlet pipe. The bottom of the bracket is installed on the top of the dust collection chamber. The front side of the bottom of the bracket is fixedly installed on the surface of the ring plate. The output end of the stepper motor passes through to the front side of the dust collection chamber and is drivenly connected to a cross plate. U-shaped positioning plates are fixedly installed around the cross plate. Sealing rings are installed on the front side of the air inlet pipe and the rear side of the filter pipe. An installation ring is slidably connected inside the U-shaped positioning plate. A filter plate is installed inside the installation ring. The surface of the installation ring contacts the surface of the sealing ring. A debris filter sleeve is threadedly connected to the front side of the filter pipe. A magnetic filter assembly is installed on the surface of the filter pipe. A follow-up dust removal assembly is installed on the front side of the cross plate.

[0006] Furthermore, the magnetic filtration assembly includes an open magnetic ring fitted onto the surface of the filter tube. An alloy plate is fixedly installed inside the filter tube. A discharge port is provided at the bottom of the filter tube. A baffle is fixedly installed at the bottom of the open magnetic ring. A sealing gasket is fixedly installed at the top of the baffle, with the top of the sealing gasket contacting the surface of the filter tube. A baffle ring is installed inside the filter tube, located behind the discharge port. Sliding rods are slidably connected to both sides inside the baffle. The rear side of the sliding rod is installed on the surface of the filter tube, and the front side of the sliding rod is installed on the rear side of the ring plate. A spring is fitted onto the surface of the sliding rod, with the front side of the spring contacting the rear side of the ring plate and the rear side of the spring contacting the front side of the baffle. A push rod is installed at the bottom of the baffle. Side-sloping push plates are installed at the four corners of the front side of the cross plate, with the front side of the side-sloping push plates contacting the surface of the push rod.

[0007] Furthermore, the follow-up dust removal assembly includes a drive shaft, which is installed on the front side of the cross plate. A rotating plate is installed on the front side of the drive shaft, and a cleaning strip is installed on the rear side of the rotating plate. The cleaning strip is located on the front side of the debris filter sleeve.

[0008] Furthermore, telescopic blocks are slidably connected to both sides inside the U-shaped positioning plate. The surface of the telescopic blocks contacts the surface of the mounting ring. A spring is installed on the surface of the telescopic blocks, and the side of the spring away from the telescopic blocks is installed on the inner wall of the U-shaped positioning plate.

[0009] Furthermore, semi-circular wiping plates are installed on both the front and rear sides of the U-shaped positioning plate, an L-shaped baffle is installed on the front side of the dust removal box, and the mounting ring is located on the rear side of the L-shaped baffle.

[0010] Furthermore, reinforcing square plates are fixedly installed around the perimeter of the cross plate surface, and the reinforcing square plates are fixedly connected to the U-shaped positioning plate. The rear side of the side-sloping push plate is fixedly installed on the front side of the reinforcing square plates.

[0011] Furthermore, an inclined plate is mounted on the surface of the side inclined push plate, and the rear side of the inclined plate is fixedly mounted on the front side of the cross plate.

[0012] Furthermore, connecting plates are installed on both sides of the bottom of the ring plate, and a guide plate is fixedly connected to the rear side of the connecting plate. The guide plate is located at the bottom of the discharge port.

[0013] Furthermore, a positioning frame is fitted onto the surface of the drive shaft, the rear side of the positioning frame is installed on the front side of the dust collector, an auxiliary limiting plate is provided at the bottom of the slide rod, and the bottom of the baffle contacts the surface of the auxiliary limiting plate.

[0014] Furthermore, a protective cover is provided on the outside of the stepper motor, and the front side of the protective cover is installed on the front side of the inner wall of the dust collector.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, when the dust collector is in operation, dust-laden gas enters the dust collector through the inlet pipe. The pressure sensor integrated inside the inlet pipe monitors the pressure inside the inlet pipe in real time. The gas first passes through the debris filter sleeve to intercept large particles of debris, and then passes through the filter plate for fine filtration. The mounting ring and the sealing ring are in close contact to ensure sealing performance. When the filter plate has been used for a long time and a lot of dust has accumulated on its surface, the pressure inside the inlet pipe increases, triggering the pressure sensor. After the sensor sends a signal, the stepper motor starts immediately. The stepper motor drives the cross plate and the surrounding U-shaped positioning plates to rotate, realizing the position switching of the mounting ring and the filter plate. This facilitates the replacement or cleaning of the dirty filter plate without disassembly, effectively ensuring the continuity of dust collection.

[0016] 2. In this invention, dust-laden gas enters the filter tube after preliminary filtration through the impurity filter sleeve. The alloy plate and the open magnetic ring inside the filter tube cooperate to form a magnetic attraction area, which can accurately adsorb the metal particle impurities mixed in the gas onto the surface of the alloy plate and the inner wall of the filter tube. When the stepper motor starts and drives the cross plate to rotate and switch the filter plate, the side push plate rotates synchronously and disengages from the push rod surface. The spring pushes the baffle and the open magnetic ring to slide forward and backward along the slide rod, opening the discharge port. The adsorbed metal particles move backward with the open magnetic ring. After the adsorbed metal particles are blocked by the baffle ring, the open magnetic ring continues to move backward. After the metal particles lose magnetic attraction, they are discharged along the discharge port, realizing accurate adsorption and automatic discharge of metal impurities without the need for an additional drive source.

[0017] 3. In this invention, while the stepper motor drives the cross plate to rotate, it synchronously drives the transmission shaft to rotate. The transmission shaft drives the rotating plate to rotate together. The cleaning rubber strip on the rear side of the rotating plate moves with the rotating plate, cleaning large particles of debris attached to the front surface of the debris filter sleeve in real time. This prevents large particles of debris from accumulating and clogging the debris filter sleeve, ensuring smooth flow of dust-laden gas, thereby maintaining the overall dust removal efficiency of the device, while reducing the frequency of manual cleaning and lowering maintenance costs. Attached Figure Description

[0018] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings; Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the cross plate of the present invention; Figure 3 This is a schematic diagram of the magnetic filtration assembly of the present invention; Figure 4 This is a schematic diagram of the follow-up dust removal component of the present invention; Figure 5 This is a schematic diagram of the open magnetic ring of the present invention; Figure 6 This is a schematic diagram of the sealing ring of the present invention; Figure 7 This is a schematic diagram of the telescopic card block of the present invention; Figure 8 For the present invention Figure 1 Enlarged structural diagram at point A in the middle.

[0019] Attached reference numerals: 1. Dust collector housing; 2. Stepper motor; 3. Air inlet duct; 4. Filter tube; 5. Ring plate; 6. Bracket; 7. Cross plate; 8. U-shaped positioning plate; 9. Sealing ring; 10. Mounting ring; 11. Filter plate; 12. Debris filter sleeve; 13. Magnetic filter assembly; 131. Open magnetic ring; 132. Alloy plate; 133. Discharge port; 134. Baffle; 135. Sealing gasket; 136. Material retaining ring; 137. 138. Slide rod; 139. Spring; 1310. Push rod; 1311. Side inclined push plate; 14. Follow-up dust removal assembly; 141. Drive shaft; 142. Rotating plate; 143. Cleaning strip; 15. Telescopic block; 16. Spring; 17. Semi-arc wiping plate; 18. L-shaped baffle; 19. Reinforced square plate; 20. Inclined plate; 21. Connecting plate; 22. Guide plate; 23. Positioning frame; 24. Auxiliary limit plate; 25. Protective cover. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] like Figures 1 to 6 As shown, the present invention provides an air pollution control dust removal device, including a dust removal box 1. A stepper motor 2 is fixedly installed on the top of the front side of the inner wall of the dust removal box 1. An air inlet pipe 3 is connected to the top of the dust removal box 1. A filter pipe 4 is provided on the front side of the air inlet pipe 3. A ring plate 5 is installed on the surface of the filter pipe 4. A bracket 6 is installed on the surface of the air inlet pipe 3. The bottom of the bracket 6 is installed on the top of the dust removal box 1. The front side of the bottom of the bracket 6 is fixedly installed on the surface of the ring plate 5. The output end of the stepper motor 2 passes through to the front side of the dust removal box 1 and is connected to a cross plate 7. U-shaped positioning plates 8 are fixedly installed around the cross plate 7. Sealing rings 9 are installed on the front side of the air inlet pipe 3 and the rear side of the filter pipe 4. An installation ring 10 is slidably connected inside the U-shaped positioning plate 8. A filter plate 11 is installed inside the installation ring 10. The surface of the installation ring 10 is in contact with the surface of the sealing ring 9. A debris filter sleeve 12 is threadedly connected to the front side of the filter pipe 4.

[0022] Specifically, the dust collection chamber 1 is a common industrial vacuum cleaner, mainly used to provide a mounting carrier for parts and facilitate air circulation; the stepper motor 2, as the core driving component, features precise start / stop and controllable speed, and can stably drive the cross plate 7 to rotate to achieve the switching of the filter plate 11; the air inlet pipe 3 and the filter pipe 4 are made of 304 stainless steel, which is corrosion-resistant and has high strength. The pressure sensor integrated inside the air inlet pipe 3 is made of diffused silicon material, which has high measurement accuracy and sensitive response, and can accurately capture changes in the pressure inside the pipe and trigger the stepper motor 2 to start; the bracket 6 is fixed to the top of the dust collection chamber 1 by welding. The cross plate 7 and the ring plate 5 provide stable support for the air inlet pipe 3 and the filter pipe 4; the cross plate 7 is made of high-strength aluminum alloy, which is lightweight and has a strong load-bearing capacity; the U-shaped positioning plate 8 is made of stainless steel and is used to limit the sliding installation ring 10; the installation ring 10 is made of carbon steel, and the filter plate 11 inside it is made of high-polymer membrane filter material, which has high filtration accuracy and wear resistance; the sealing ring 9 is made of fluororubber, which has excellent sealing performance and is resistant to aging and high temperature; the debris filter sleeve 12 is made of stainless steel and is assembled on the front side of the filter pipe 4 by threaded connection, which is convenient for disassembly and cleaning of intercepted large particles of debris.

[0023] like Figures 2 to 6 As shown, a magnetic filter assembly 13 is installed on the surface of the filter tube 4. The magnetic filter assembly 13 includes an open magnetic ring 131, which is sleeved on the surface of the filter tube 4. An alloy plate 132 is fixedly installed inside the filter tube 4. A discharge port 133 is opened at the bottom of the filter tube 4. A baffle 134 is fixedly installed at the bottom of the open magnetic ring 131. A sealing gasket 135 is fixedly installed at the top of the baffle 134. The top of the sealing gasket 135 contacts the surface of the filter tube 4. A baffle ring 136 is installed inside the filter tube 4 and is located at the discharge port. On the rear side of 133, slide rods 137 are slidably connected to both sides inside the baffle 134. The rear side of slide rods 137 is installed on the surface of filter tube 4, and the front side of slide rods 137 is installed on the rear side of ring plate 5. A spring 138 is sleeved on the surface of slide rods 137. The front side of spring 138 contacts the rear side of ring plate 5, and the rear side of spring 138 contacts the front side of baffle 134. A push rod 139 is installed at the bottom of baffle 134. Side-sloping push plates 1310 are installed at the four corners of the front side of cross plate 7. The front side of side-sloping push plates 1310 contacts the surface of push rod 139.

[0024] Specifically, the open magnetic ring 131, as the core magnetic attraction component, is made of neodymium iron boron permanent magnet material, which has strong magnetic force and slow magnetic decay, and can stably attract fine metal particles; the alloy plate 132 is made of Q235 carbon steel, which has good magnetic permeability, and when fixed inside the filter tube 4, it can enhance the magnetic field strength of the magnetic attraction area and improve the adsorption efficiency of metal impurities; the baffle 134 is made of 304 stainless steel, which is corrosion-resistant and high-strength, and can effectively block impurities and withstand the elastic force of the spring 138; the sealing gasket 135 is made of fluororubber, which has excellent sealing performance, aging resistance and high temperature resistance, and can tightly fit the surface of the filter tube 4 to prevent... Gas leaks from discharge port 133; baffle ring 136 is made of wear-resistant cast iron with anti-corrosion treatment, which can block the diffusion of metal particles and resist the wear of impurities; spring 138 is made of 65Mn spring steel, which has good elasticity and toughness and long service life, and can stably provide elastic potential energy for baffle 134 to reset; push rod 139 is made of stainless steel, which has a robust structure and can accurately transmit the thrust of side-sloping push plate 1310; side-sloping push plate 1310 is made of high-strength aluminum alloy, which is lightweight and wear-resistant, and its inclined structure design can smoothly squeeze push rod 139 to drive baffle 134 to move, which is compatible with the rotation trajectory of cross plate 7.

[0025] like Figures 1 to 4 As shown, a follow-up dust removal assembly 14 is installed on the front side of the cross plate 7. The follow-up dust removal assembly 14 includes a drive shaft 141, which is installed on the front side of the cross plate 7. A rotating plate 142 is installed on the front side of the drive shaft 141, and a cleaning strip 143 is installed on the rear side of the rotating plate 142. The cleaning strip 143 is located on the front side of the debris filter sleeve 12.

[0026] Specifically, the drive shaft 141 is the core power transmission component, made of 45# steel and heat-treated, possessing high strength, high wear resistance, and excellent torque transmission capability. It is keyed to the cross plate 7 to ensure precise transmission without slippage, suitable for long-term high-frequency rotation conditions. The rotating plate 142 is made of high-strength aluminum alloy, balancing structural stability and lightweight requirements. It can effectively support the cleaning strip 143 without affecting transmission efficiency due to excessive weight. Its size is compatible with the front end face of the debris filter sleeve 12, ensuring cleaning coverage. The cleaning strip 143 is made of polyurethane, with good flexibility and excellent wear resistance, and will not scratch the surface of the debris filter sleeve 12. It is detachably fixed to the rear side of the rotating plate 142 with bolts, facilitating quick replacement after wear.

[0027] like Figures 1 to 7 As shown, telescopic blocks 15 are slidably connected to both sides inside the U-shaped positioning plate 8. The surface of the telescopic blocks 15 is in contact with the surface of the mounting ring 10. A spring piece 16 is installed on the surface of the telescopic blocks 15. The side of the spring piece 16 away from the telescopic blocks 15 is installed on the inner wall of the U-shaped positioning plate 8.

[0028] Specifically, the inner side of the U-shaped positioning plate 8 has a reserved sliding groove for the telescopic block 15 to move, ensuring smooth sliding; the end of the telescopic block 15 adopts an arc transition design to avoid jamming when installing the mounting ring 10, and at the same time can closely fit the surface of the mounting ring 10 to achieve reliable positioning; the spring 16 is made of 65Mn spring steel, which has excellent elasticity and toughness and long fatigue life, and can stably provide elastic force for the telescopic block 15 to reset. One end of it is fixed to the inner wall of the U-shaped positioning plate 8 by welding, and the other end is connected to the telescopic block 15 by a snap-fit, which is convenient for later maintenance and replacement.

[0029] like Figures 2 to 8 As shown, semi-circular wiping plates 17 are installed on both the front and rear sides of the U-shaped positioning plate 8, an L-shaped baffle 18 is installed on the front side of the dust collection box 1, the mounting ring 10 is located on the rear side of the L-shaped baffle 18, connecting plates 21 are installed on both sides of the bottom of the ring plate 5, and a guide plate 22 is fixedly connected to the rear side of the connecting plate 21. The guide plate 22 is located at the bottom of the discharge port 133.

[0030] Specifically, the semi-circular wiping plate 17 is made of polyurethane, which is flexible, wear-resistant, and will not damage the surface of the sealing ring 9. Its curvature is adapted to the sealing ring 9 to ensure that there are no dead corners in wiping. It is fixed to the front and rear sides of the U-shaped positioning plate 8 by bolts and moves synchronously with the rotation of the U-shaped positioning plate 8. The L-shaped baffle 18 is made of 304 stainless steel, which is strong and corrosion-resistant. It is installed on the front side of the dust collector 1 and protects the mounting ring 10. The connecting plate 21 is fixed to the bottom of the ring plate 5 and the guide plate 22 by welding, which is structurally stable and ensures the load-bearing stability of the guide plate 22. The inclined angle of the guide plate 22 is designed to adapt to the discharge requirements, ensuring that impurities slide down smoothly. It is located directly below the discharge port 133 to accurately receive and discharge impurities.

[0031] like Figures 1 to 2 As shown, reinforcing square plates 19 are fixedly installed around the perimeter of the surface of the cross plate 7. The reinforcing square plates 19 are fixedly connected to the U-shaped positioning plate 8. The rear side of the side inclined push plate 1310 is fixedly installed on the front side of the reinforcing square plate 19. An inclined plate 20 is installed on the surface of the side inclined push plate 1310. The rear side of the inclined plate 20 is fixedly installed on the front side of the cross plate 7.

[0032] Specifically, the reinforced square plate 19, as the core reinforcing component, is made of high-strength aluminum alloy, balancing structural strength and lightweight requirements. It is fixed to the cross plate 7 and the U-shaped positioning plate 8 by welding, improving the connection firmness and uniform force distribution. The side-sloping push plate 1310 is made of No. 45 steel, which has excellent wear resistance and deformation resistance after heat treatment. Its tilt angle is matched with the push rod 139 to ensure that the push rod 139 can be smoothly squeezed during rotation. The inclined plate 20 is fixed between the side-sloping push plate 1310 and the cross plate 7 in a triangular support structure, further dispersing the force on the side-sloping push plate 1310 and preventing it from deforming due to excessive force at a single point. It is fixed to the components on both sides by bolts, which facilitates later maintenance and replacement.

[0033] like Figures 2 to 5 As shown, a positioning frame 23 is fitted on the surface of the drive shaft 141. The rear side of the positioning frame 23 is installed on the front side of the dust collector 1. An auxiliary limiting plate 24 is provided at the bottom of the slide rod 137. The bottom of the baffle 134 is in contact with the surface of the auxiliary limiting plate 24. A protective cover 25 is provided on the outside of the stepper motor 2. The front side of the protective cover 25 is installed on the front side of the inner wall of the dust collector 1.

[0034] Specifically, the positioning frame 23 is made of 304 stainless steel, which is high in strength and corrosion resistant. It is equipped with a copper wear-resistant bearing on the inside, which works with the drive shaft 141 to achieve low-friction rotational support. It is fixed to the front of the dust collector 1 with bolts, and the positioning is accurate and firm. The top surface of the auxiliary limiting plate 24 fits against the bottom of the baffle 134, which can assist in limiting the position of the baffle 134. The protective cover 25 is made of cold-rolled steel plate with an anti-corrosion coating on the surface. It has excellent sealing performance and is fixed to the front of the inner wall of the dust collector 1 with bolts, completely enclosing the stepper motor 2 and effectively preventing dust from entering.

[0035] The working principle of this invention: After the dust collector 1 is started, the gas first passes through the debris filter sleeve 12 to intercept large particles of debris. After the dust-laden gas enters the filter tube 4, the open magnetic ring 131 and the alloy plate 132 form a magnetic attraction area, which accurately adsorbs metal particle impurities. Then the gas is finely filtered through the filter plate 11. The mounting ring 10 is stably positioned in the U-shaped positioning plate 8 through the cooperation of the telescopic block 15 and the spring piece 16, and is tightly fitted with the fluororubber sealing ring 9 to ensure a seal and prevent gas leakage. When the filter plate 11 is covered with too much dust, causing the pressure in the air inlet pipe 3 to rise, the pressure sensor triggers the stepper motor 2 to start. The stepper motor 2 drives the cross plate 7 to rotate. The cross plate 7 drives the side inclined push plate 1310 to move synchronously through the reinforcing square plate 19 and the inclined plate 20. After the side inclined push plate 1310 is disengaged from the surface of the push rod 139, the spring 138 pushes it. Baffle 134 and sealing gasket 135 slide backward along slide rod 137. At this time, discharge port 133 opens. After the metal particles lose magnetic attraction, they fall along discharge port 133 to guide plate 22 and are guided to a designated position for collection. While cross plate 7 rotates to switch to new filter plate 11, it drives drive shaft 141, rotating plate 142 and side inclined push plate 1310 to rotate. Rotating plate 142 drives cleaning strip 143 to clean the debris filter sleeve 12 in real time. Side inclined push plate 1310, which cooperates with new filter plate 11, pushes push rod 139 forward through inclined surface. After the new filter plate 11 is switched, side inclined push plate 1310 pushes push rod 139, baffle 134 and open magnetic ring 131 back to their original position. The semi-arc wiping plates 17 on the front and rear sides of U-shaped positioning plate 8 wipe the dust on the surface of sealing ring 9 to ensure sealing performance.

[0036] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An air pollution control dust removal device, comprising a dust removal chamber (1), characterized in that, A stepper motor (2) is fixedly installed on the top of the front side of the inner wall of the dust collector (1). The output end of the stepper motor (2) extends through to the front side of the dust collector (1) and is connected to a cross plate (7). Reinforcing square plates (19) are fixedly installed around the surface of the cross plate (7). An air inlet pipe (3) is connected to the top of the dust collector (1). A filter pipe (4) is provided on the front side of the air inlet pipe (3). A magnetic filter assembly (13) is installed on the surface of the filter pipe (4). A follow-up dust removal assembly (14) is installed on the front side of the cross plate (7). The magnetic filter assembly (13) includes an open magnetic ring (131), a push rod (139) and four side-sloping push plates (1310). An alloy plate (132) is fixedly installed inside the filter tube (4). A baffle (134) is fixedly installed at the bottom of the open magnetic ring (131). A sealing gasket (135) is fixedly installed at the top of the baffle (134). A baffle ring (136) is installed inside the filter tube (4). The four side-sloping push plates (1310) are respectively installed at the four corners of the front side of the cross plate (7). The front side of the side-sloping push plate (1310) is in contact with the surface of the push rod (139). The follow-up dust removal assembly (14) includes a drive shaft (141), a rotating plate (142) is installed on the front side of the drive shaft (141), and a cleaning strip (143) is installed on the rear side of the rotating plate (142). The cleaning strip (143) is located on the front side of the debris filter sleeve (12).

2. The air pollution control and dust removal device according to claim 1, characterized in that, A ring plate (5) is installed on the surface of the filter tube (4), a bracket (6) is installed on the surface of the air inlet pipe (3), the bottom of the bracket (6) is installed on the top of the dust collector (1), the front side of the bottom of the bracket (6) is fixedly installed on the surface of the ring plate (5), the output end of the stepper motor (2) passes through to the front side of the dust collector (1) and is connected to a cross plate (7), a U-shaped positioning plate (8) is fixedly installed around the cross plate (7), a sealing ring (9) is installed on the front side of the air inlet pipe (3) and the rear side of the filter tube (4), an installation ring (10) is slidably connected inside the U-shaped positioning plate (8), a filter plate (11) is installed inside the installation ring (10), the surface of the installation ring (10) is in contact with the surface of the sealing ring (9), and a debris filter sleeve (12) is threadedly connected to the front side of the filter tube (4).

3. The air pollution control and dust removal device according to claim 1, characterized in that, The open magnetic ring (131) is sleeved on the surface of the filter tube (4), the top of the sealing gasket (135) is in contact with the surface of the filter tube (4), the bottom of the filter tube (4) is provided with a discharge port (133), the baffle ring (136) is located on the rear side of the discharge port (133), the two sides inside the baffle (134) are slidably connected with slide rods (137), the rear side of the slide rod (137) is installed on the surface of the filter tube (4), the front side of the slide rod (137) is installed on the rear side of the ring plate (5), the surface of the slide rod (137) is sleeved with a spring (138), the front side of the spring (138) is in contact with the rear side of the ring plate (5), the rear side of the spring (138) is in contact with the front side of the baffle (134), and the push rod (139) is installed at the bottom of the baffle (134).

4. The air pollution control and dust removal device according to claim 2, characterized in that, Both sides of the U-shaped positioning plate (8) are slidably connected to telescopic blocks (15). The surface of the telescopic blocks (15) is in contact with the surface of the mounting ring (10). A spring piece (16) is installed on the surface of the telescopic blocks (15). The side of the spring piece (16) away from the telescopic blocks (15) is installed on the inner wall of the U-shaped positioning plate (8).

5. The air pollution control and dust removal device according to claim 2, characterized in that, The front and rear sides of the U-shaped positioning plate (8) are both equipped with semi-circular wiping plates (17), the front side of the dust removal box (1) is equipped with an L-shaped baffle (18), and the mounting ring (10) is located on the rear side of the L-shaped baffle (18).

6. The air pollution control and dust removal device according to claim 2, characterized in that, The reinforcing square plate (19) is fixedly connected to the U-shaped positioning plate (8), and the rear side of the side inclined push plate (1310) is fixedly installed on the front side of the reinforcing square plate (19).

7. The air pollution control and dust removal device according to claim 1, characterized in that, The surface of the side inclined push plate (1310) is fitted with an inclined plate (20), and the rear side of the inclined plate (20) is fixedly installed on the front side of the cross plate (7).

8. The air pollution control and dust removal device according to claim 3, characterized in that, Connecting plates (21) are installed on both sides of the bottom of the ring plate (5). A guide plate (22) is fixedly connected to the rear side of the connecting plate (21). The guide plate (22) is located at the bottom of the discharge port (133).

9. The air pollution control and dust removal device according to claim 3, characterized in that, The drive shaft (141) is fitted with a positioning frame (23), the rear side of the positioning frame (23) is installed on the front side of the dust collector (1), and the bottom of the slide rod (137) is provided with an auxiliary limiting plate (24), and the bottom of the baffle (134) is in contact with the surface of the auxiliary limiting plate (24).

10. The air pollution control and dust removal device according to claim 1, characterized in that, The stepper motor (2) is provided with a protective cover (25) on its outer side, and the front side of the protective cover (25) is installed on the front side of the inner wall of the dust collector (1).

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