Waste gas purification device for industrial chemistry and chemical engineering processing

Abstract

The invention discloses a waste gas purification device for industrial chemistry and chemical engineering processing, and relates to the technical field of waste gas treatment.The waste gas purification device comprises a tank body, a supporting frame is fixedly installed at the bottom of the tank body, a gas inlet pipe is fixedly installed on the circumferential face of the tank body, a gas outlet pipe is fixedly installed at the top of the tank body, and a waste opening is formed in the bottom of the tank body; a filter device is arranged in the tank body and comprises a motor, a rotating shaft, a gear I, a filter plate, a rotating rod, a gear II and a scraping rod, and the scraping rod rotates to clean the filter plate, scrape off particulate matters accumulated on the surface of the filter plate, prevent the filter plate from being blocked and keep the efficient filter capacity of the filter plate, so that the overall filter efficiency is improved, and the shutdown maintenance time of equipment is shortened; meanwhile, in the high-dust-concentration waste gas treatment process, the scraping rods can frequently clean the filter plates, particulate matter is prevented from being rapidly accumulated, and it is ensured that the system normally operates under high loads.

Description

Technical Field

[0001] The present invention relates to the technical field of waste gas treatment, and specifically to an exhaust gas purification device for industrial chemical processing. Background Art

[0002] An exhaust gas purification device for industrial chemical processing is a device specifically used to treat harmful waste gases generated during the production process of chemical industry. Its main function is to remove pollutants in the waste gas so that it meets the emission standards, thereby reducing the harm to the environment and human health.

[0003] The patent with the patent publication number CN212942152U relates to the technical field of waste gas treatment. This patent discloses an exhaust gas purification device for industrial chemical processing, which belongs to the technical field of waste gas treatment. This patent includes an electromagnetic mechanism and a filtering mechanism. The top of the electromagnetic mechanism is fixedly connected with the filtering mechanism. The electromagnetic mechanism includes a sealing plate and an electromagnetic purifier. The sealing plate located above is fixedly connected with the bottom of the filtering mechanism, and the sealing plate located below is fixedly connected with the top surface of the base. An electromagnetic purifier is fixedly connected between the two sealing plates. In this patent, by installing an electromagnetic purifier, the waste gas enters the spiral inner shell and the spiral outer shell, and the metal rod is electrified and charged, so that the electrostatic force of the metal rod acts on the particles in the waste gas to adsorb fine dust. Through the shape of the air outlet and the inclined installation of the filter plate, the small particles in the gas act on the bottom surface of the filter plate and bounce back from the filter plate, which can thoroughly purify the waste gas in the production workshop of the chemical industry and solve the problem that the current purification methods are relatively single.

[0004] In the above patent, through the shape of the air outlet and the inclined installation of the filter plate, the small particles in the gas act on the bottom surface of the filter plate and bounce back from the filter plate, which can thoroughly purify the waste gas in the production workshop of the chemical industry and solve the problem that the current purification methods are relatively single. However, it is difficult to clean the filter plate after the filter plate filters the waste gas, which easily causes the filter plate to be blocked and leads to poor filtration. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides an exhaust gas purification device for industrial chemical processing, which solves the problems raised in the above background art.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: An exhaust gas purification device for industrial chemical processing, including a tank body, a support frame is fixedly installed at the bottom of the tank body, an air inlet pipe is fixedly installed on the circumferential surface of the tank body, an air outlet pipe is fixedly installed at the top of the tank body, a waste outlet is arranged at the bottom of the tank body, and a filtering device is arranged inside the tank body; Among them, the filtering device includes a motor, a rotating shaft, a first gear, a filter plate, a rotating rod, a second gear, and a scraping rod. The motor is fixedly installed on the circumferential surface of the tank body. The rotating shaft is fixedly installed at the output end of the motor. The first gear is fixedly installed at one end of the rotating shaft away from the output end of the motor. The filter plate is fixedly installed on the inner wall of the tank body. The rotating rod rotates through the filter plate. The second gear is fixedly installed at the bottom of the rotating rod. The scraping rod is fixedly installed on the circumferential surface of the rotating rod. The motor drives the rotating shaft to start rotating. The rotation of the rotating shaft drives the first gear to start rotating. The rotation of the first gear drives the second gear to start rotating. The rotation of the second gear drives the rotating rod to start rotating. The rotation of the rotating rod drives the scraping rod to start rotating. The rotation of the scraping rod cleans the filter plate. Among them, a pushing device for promoting gas flow and a rotating device for increasing the contact between gas and liquid are arranged inside the tank body. By arranging the pushing device, the flow rate of the waste gas is increased. By arranging the rotating device, the waste gas is brought into full contact with the filtering liquid.

[0007] According to the above technical solution, the first gear meshes with the second gear, and the scraping rod contacts the filter plate. Through meshing, it is ensured that the first gear can drive the second gear to rotate when rotating. Through contact, it is ensured that the scraping rod can clean the filter plate when rotating.

[0008] According to the above technical solution, the pushing device includes a first convex plate, a fixing frame, a first elastic telescopic rod, a top plate, a connecting rod, a second convex plate, a partition plate, an accumulation block, and a rubber valve. The first convex plate is fixedly installed on the circumferential surface of the rotating rod. The fixing frame is fixedly installed on the inner wall of the tank body. The first elastic telescopic rod is fixedly installed at the top of the fixing frame. The top plate is fixedly installed at the movable end of the first elastic telescopic rod. The connecting rod is fixedly installed at the bottom of the top plate. The second convex plate is fixedly installed at the bottom of the connecting rod. The partition plate is fixedly installed on the inner wall of the tank body. The accumulation block is fixedly installed at the bottom of the partition plate. The rubber valve is fixedly installed inside the partition plate. When the rotating shaft rotates, it drives the first convex plate to start rotating. The rotation of the first convex plate pushes the second convex plate to start moving up and down. The movement of the second convex plate drives the connecting rod to start moving. The movement of the connecting rod drives the top plate to start moving. The movement of the top plate contacts the accumulation block and pressurizes the waste gas inside it under their mutual cooperation.

[0009] According to the above technical solution, the pushing device further includes a second elastic telescopic rod and a contact plate. The second elastic telescopic rod is fixedly installed on the top of the filter plate. The contact plate is fixedly installed at the movable end of the second elastic telescopic rod. When the first convex plate rotates and no longer pushes the second convex plate, at this time, the top plate starts to move downward and reset under the action of the movable end of the first elastic telescopic rod. The movement of the top plate drives the connecting rod to start moving downward. The movement of the connecting rod contacts and pushes the contact plate to start moving downward. The movement of the contact plate squeezes the movable end of the second elastic telescopic rod.

[0010] According to the above technical solution, the first bump plate contacts the second bump plate, and the connecting rod contacts the contact plate. By means of the contact, it is ensured that the first bump plate can drive the second bump plate to move when rotating, and by means of the contact, it is ensured that the contact plate can reduce vibration when the connecting rod moves.

[0011] According to the above technical solution, the rotating device includes a sliding rod, a fixing plate, a third gear, a linkage rod, a fourth gear, a fixing rod and a rotating plate. The sliding rod is fixedly installed on the top of the second bump plate, the fixing plate is fixedly installed on the top of the sliding rod, the third gear is rotatably installed at the bottom of the partition plate, one end of the linkage rod is rotatably installed on the top of the fixing plate, the other end of the linkage rod is rotatably installed at the bottom of the third gear, the fourth gear is rotatably installed at the bottom of the partition plate, the fixing rod is fixedly installed on the top of the fourth gear, and the rotating plate is fixedly installed on the circumferential surface of the fixing rod. When the second bump plate starts to move upward, it drives the sliding rod to start moving upward. The movement of the sliding rod drives the fixing plate to start moving upward. The movement of the fixing plate drives the linkage rod to start moving upward. The upward movement of the linkage rod pushes the third gear to start rotating. The rotation of the third gear drives the fourth gear to start rotating. The rotation of the fourth gear drives the fixing rod to start rotating. The rotation of the fixing rod drives the rotating plate to start rotating.

[0012] According to the above technical solution, the rotating device further includes an elastic telescopic rod III and an arc plate. The elastic telescopic rod III is fixedly installed on the inner wall of the tank, and the arc plate is fixedly installed at the movable end of the elastic telescopic rod III. When the rotating plate rotates, it contacts and pushes the arc plate to start moving. The movement of the arc plate squeezes the movable end of the elastic telescopic rod III. When the rotating plate continues to rotate, the rotating plate is separated from the arc plate. Subsequently, the arc plate starts to move back under the action of the movable end of the elastic telescopic rod III, and the movement of the arc plate contacts the top of the rubber valve.

[0013] According to the above technical solution, the third gear meshes with the fourth gear, and the arc plate contacts the rubber valve. By means of the meshing, it is ensured that the third gear drives the fourth gear to rotate while rotating, and by means of the contact, it is ensured that the arc plate can clean the rubber valve when moving.

[0014] The present invention provides an exhaust gas purification device for industrial chemical processing. It has the following beneficial effects: (1) In this invention, the filter plate can effectively capture particulate matters such as dust and soot in the exhaust gas, preventing them from entering the subsequent treatment unit or being directly discharged into the atmosphere. At the same time, by removing particulate matters in advance through the filter plate, the pollution and wear of the subsequent purification equipment can be reduced, and the service life of the equipment can be prolonged. The filter plate is cleaned by the rotation of the scraping rod, scraping the particulate matters accumulated on the surface of the filter plate to prevent the filter plate from being blocked and maintaining its high filtration capacity, thereby improving the overall filtration efficiency, reducing the time of equipment shutdown for maintenance, and improving the continuous operation ability of the system. At the same time, in the treatment of exhaust gas with high dust concentration, the scraping rod can clean the filter plate frequently to prevent the rapid accumulation of particulate matters and ensure the normal operation of the system under high load.

[0015] (2) In this invention, by the movement of the top plate to contact the accumulation block and under their mutual cooperation, the waste gas inside is pressurized, so that it accelerates through the rubber valve. By squeezing the waste gas, the flow rate of the waste gas can be increased, enabling it to pass through the rubber valve and enter the next purification unit faster, thereby improving the treatment efficiency of the entire purification device. At the same time, accelerating the waste gas flow can reduce the residence time of the waste gas in the purification unit, avoiding the accumulation of pollutants caused by retention, and thus improving the purification effect.

[0016] (3) In this invention, through the mutual cooperation of the contact plate and the second elastic telescopic rod, the vibration during the operation of the equipment can be effectively absorbed and buffered, preventing the equipment from shaking or tilting due to vibration, ensuring the stable operation of the equipment. At the same time, it can reduce the fluctuation of the waste gas flow caused by vibration, ensuring the uniform distribution of the waste gas in the purification unit, and thus improving the purification efficiency.

[0017] (4) In this invention, by the rotation of the rotating plate to fully contact the waste gas with the filtering liquid, the contact area and time between the waste gas and the filtering liquid are increased, enabling the pollutants in the waste gas to be more fully absorbed or reacted by the filtering liquid, thereby improving the purification efficiency. At the same time, the rotation of the rotating plate can promote the mass transfer process between the waste gas and the filtering liquid, enabling the pollutants to transfer from the gas phase to the liquid phase faster, improving the purification speed. By the movement of the arc-shaped plate to contact the top of the rubber valve, the impurities that may accumulate on the top of the rubber valve are scraped off, preventing the blockage of the rubber valve by impurities and resulting in poor exhaust of the waste gas. At the same time, it can prevent the weakening of the filtering effect of the device due to excessive accumulation of impurities. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the tank body and the waste outlet of the present invention; Figure 3 It is a schematic cross-sectional view of the filtering device of the present invention; Figure 4 It is a schematic cross-sectional view of the first gear and the second gear of the present invention; Figure 5 It is a schematic cross-sectional view of the pushing device of the present invention; Figure 6 It is a schematic cross-sectional view of the rubber valve of the present invention; Figure 7 It is a schematic cross-sectional view of the rotating device of the present invention; Figure 8 It is a schematic cross-sectional view of the third elastic telescopic rod and the arc-shaped plate of the present invention.

[0019] In the figure: 1, tank body; 2, support frame; 3, intake pipe; 4, outlet pipe; 5, waste outlet; 6, motor; 7, rotating shaft; 8, first gear; 9, filter plate; 10, rotating rod; 11, second gear; 12, scraping rod; 131, first bump plate; 132, fixing frame; 133, first elastic telescopic rod; 134, top plate; 135, connecting rod; 136, second bump plate; 137, partition plate; 138, accumulation block; 139, rubber valve; 1310, second elastic telescopic rod; 1311, contact plate; 141, sliding rod; 142, fixing plate; 143, third gear; 144, linkage rod; 145, fourth gear; 146, fixing rod; 147, rotating plate; 148, third elastic telescopic rod; 149, arc plate. Detailed implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0021] Please refer to Figures 1 - 8 , an embodiment of the present invention is: an exhaust gas purification device for industrial chemical processing, including a tank body 1, a support frame 2 is fixedly installed at the bottom of the tank body 1, an intake pipe 3 is fixedly installed on the circumferential surface of the tank body 1, an outlet pipe 4 is fixedly installed at the top of the tank body 1, a waste outlet 5 is arranged at the bottom of the tank body 1, and a filtering device is arranged inside the tank body 1; Among them, the filtering device includes a motor 6, a rotating shaft 7, a first gear 8, a filter plate 9, a rotating rod 10, a second gear 11 and a scraping rod 12. The motor 6 is fixedly installed on the circumferential surface of the tank body 1, the rotating shaft 7 is fixedly installed at the output end of the motor 6, the first gear 8 is fixedly installed at one end of the rotating shaft 7 away from the output end of the motor 6, the filter plate 9 is fixedly installed on the inner wall of the tank body 1, the rotating rod 10 rotates through the filter plate 9, the second gear 11 is fixedly installed at the bottom of the rotating rod 10, and the scraping rod 12 is fixedly installed on the circumferential surface of the rotating rod 10. The filter plate 9 is cleaned by the rotation of the scraping rod 12, and the particulate matter accumulated on the surface of the filter plate 9 is scraped off to prevent the filter plate 9 from being blocked, maintain its high-efficiency filtering ability, thereby improving the overall filtering efficiency, reducing the time for equipment shutdown and maintenance, and improving the continuous operation ability of the system. At the same time, in the treatment of exhaust gas with high dust concentration, the scraping rod 12 can frequently clean the filter plate 9 to prevent the rapid accumulation of particulate matter and ensure the normal operation of the system under high load.

[0022] The first gear 8 meshes with the second gear 11, and the scraping rod 12 contacts the filter plate 9. By meshing, it is ensured that the first gear 8 can drive the second gear 11 to rotate when rotating, and by contacting, it is ensured that the scraping rod 12 can clean the filter plate 9 when rotating.

[0023] During the operation of this embodiment: First, before work, the staff checks the working state of the purification device. After the staff confirms that the working state of the device is correct and there are no other problems, the intake pipe 3 is opened to start introducing chemical waste gas into the tank body 1. After the waste gas enters the tank body 1, all the harmful substances contained therein are removed by various purification devices and then leave the tank body 1 through the outlet pipe 4. When the waste gas enters the interior of the tank body 1, it first contacts the filter plate 9. The filter plate 9 can effectively capture particulate matters in the waste gas such as dust and soot, preventing them from entering the subsequent treatment unit or being directly discharged into the atmosphere. At the same time, by pre-removing particulate matters through the filter plate 9, the pollution and wear of the subsequent purification equipment can be reduced, and the service life of the equipment can be extended. After the waste gas is introduced into the tank body 1, the staff starts the motor 6, causing the motor 6 to drive the rotating shaft 7 to start rotating. The rotation of the rotating shaft 7 drives the first gear 8 to start rotating. The rotation of the first gear 8 drives the second gear 11 to start rotating. The rotation of the second gear 11 drives the rotating rod 10 to start rotating. The rotation of the rotating rod 10 drives the scraping rod 12 to start rotating. The rotation of the scraping rod 12 cleans the filter plate 9, scraping off the particulate matters accumulated on the surface of the filter plate 9, preventing the filter plate 9 from being blocked, maintaining its high filtration capacity, thereby improving the overall filtration efficiency, reducing the time for equipment shutdown and maintenance, and improving the continuous operation ability of the system. At the same time, in the treatment of waste gas with a high dust concentration, the scraping rod 12 can clean the filter plate 9 frequently to prevent the rapid accumulation of particulate matters and ensure the normal operation of the system under high load.

[0024] Please refer to Figures 1 - 8 , on the basis of the above embodiment, in another embodiment of the present invention, a pushing device for promoting gas flow and a rotating device for increasing the contact between gas and liquid are provided inside the tank body 1. By setting the pushing device, the flow rate of the waste gas is increased, and by setting the rotating device, the waste gas is brought into full contact with the filtering liquid.

[0025] The driving device includes a first bump plate 131, a fixing frame 132, a first elastic telescopic rod 133, a top plate 134, a connecting rod 135, a second bump plate 136, a partition plate 137, an accumulation block 138 and a rubber valve 139. The first bump plate 131 is fixedly installed on the circumferential surface of the rotating rod 10. The fixing frame 132 is fixedly installed on the inner wall of the tank body 1. The first elastic telescopic rod 133 is fixedly installed on the top of the fixing frame 132. The top plate 134 is fixedly installed at the movable end of the first elastic telescopic rod 133. The connecting rod 135 is fixedly installed at the bottom of the top plate 134. The second bump plate 136 is fixedly installed at the bottom of the connecting rod 135. The partition plate 137 is fixedly installed on the inner wall of the tank body 1. The accumulation block 138 is fixedly installed at the bottom of the partition plate 137. The rubber valve 139 is fixedly installed inside the partition plate 137. By moving the top plate 134 to contact the accumulation block 138, the exhaust gas inside is pressurized under their mutual cooperation, so that it accelerates to pass through the rubber valve 139. By squeezing the exhaust gas, the flow rate of the exhaust gas can be increased, so that it can pass through the rubber valve 139 faster and enter the next purification unit, thereby improving the treatment efficiency of the entire purification device. At the same time, accelerating the flow of the exhaust gas can reduce the residence time of the exhaust gas in the purification unit and avoid the accumulation of pollutants caused by retention, thereby improving the purification effect.

[0026] The driving device further includes a second elastic telescopic rod 1310 and a contact plate 1311. The second elastic telescopic rod 1310 is fixedly installed on the top of the filter plate 9. The contact plate 1311 is fixedly installed at the movable end of the second elastic telescopic rod 1310. Through the mutual cooperation of the contact plate 1311 and the second elastic telescopic rod 1310, the vibration during the operation of the equipment can be effectively absorbed and buffered, preventing the equipment from shaking or tilting due to vibration, ensuring the stable operation of the equipment. At the same time, the fluctuation of the exhaust gas flow caused by vibration can be reduced, ensuring the uniform distribution of the exhaust gas in the purification unit, thereby improving the purification efficiency.

[0027] The first bump plate 131 contacts the second bump plate 136, and the connecting rod 135 contacts the contact plate 1311. Through the contact, it is ensured that the first bump plate 131 can drive the second bump plate 136 to move when rotating, and through the contact, it is ensured that the contact plate 1311 can reduce vibration when the connecting rod 135 moves.

[0028] The rotating device includes a sliding rod 141, a fixed plate 142, a third gear 143, a linkage rod 144, a fourth gear 145, a fixed rod 146, and a rotating plate 147. The sliding rod 141 is fixedly installed at the top of the second bump plate 136. The fixed plate 142 is fixedly installed at the top of the sliding rod 141. The third gear 143 is rotatably installed at the bottom of the partition plate 137. One end of the linkage rod 144 is rotatably installed at the top of the fixed plate 142, and the other end of the linkage rod 144 is rotatably installed at the bottom of the third gear 143. The fourth gear 145 is rotatably installed at the bottom of the partition plate 137. The fixed rod 146 is fixedly installed at the top of the fourth gear 145. The rotating plate 147 is fixedly installed on the circumferential surface of the fixed rod 146. By rotating the rotating plate 147, the waste gas can be fully contacted with the filtering liquid, increasing the contact area and time between the waste gas and the filtering liquid, enabling the pollutants in the waste gas to be more fully absorbed or reacted by the filtering liquid, thereby improving the purification efficiency. At the same time, the rotation of the rotating plate 147 can promote the mass transfer process between the waste gas and the filtering liquid, enabling the pollutants to transfer from the gas phase to the liquid phase faster and improving the purification speed.

[0029] The rotating device further includes a third elastic telescopic rod 148 and an arc-shaped plate 149. The third elastic telescopic rod 148 is fixedly installed on the inner wall of the tank body 1, and the arc-shaped plate 149 is fixedly installed at the movable end of the third elastic telescopic rod 148. By moving the arc-shaped plate 149 to contact the top of the rubber valve 139, the impurities that may accumulate on the top of the rubber valve 139 can be scraped off, preventing the impurities from blocking the rubber valve 139 and causing poor exhaust of the waste gas. At the same time, it can prevent the device from weakening the filtering effect due to excessive accumulation of impurities.

[0030] The third gear 143 meshes with the fourth gear 145, and the arc-shaped plate 149 contacts the rubber valve 139. Through meshing, it is ensured that the third gear 143 drives the fourth gear 145 to rotate while rotating, and through contact, it is ensured that the arc-shaped plate 149 can clean the rubber valve 139 when moving.

[0031] During the operation of this embodiment: while the rotating shaft 7 is rotating, it drives the first bump plate 131 to start rotating. The rotation of the first bump plate 131 pushes the second bump plate 136 to start moving up and down. The movement of the second bump plate 136 drives the connecting rod 135 to start moving. The movement of the connecting rod 135 drives the top plate 134 to start moving. The movement of the top plate 134 contacts the accumulation block 138 and pressurizes the waste gas inside it under their mutual cooperation, accelerating it to pass through the rubber valve 139. By squeezing the waste gas, the flow rate of the waste gas can be increased, enabling it to pass through the rubber valve 139 and enter the next purification unit faster, thereby improving the processing efficiency of the entire purification device. At the same time, accelerating the waste gas flow can reduce the residence time of the waste gas in the purification unit, avoiding the accumulation of pollutants caused by retention, and thus improving the purification effect. When the first bump plate 131 stops pushing the second bump plate 136 during its rotation, at this time, the top plate 134 starts to move downward and reset under the action of the movable end of the first elastic telescopic rod 133. The movement of the top plate 134 drives the connecting rod 135 to start moving downward. The movement of the connecting rod 135 contacts and pushes the contact plate 1311 to start moving downward. The movement of the contact plate 1311 squeezes the movable end of the second elastic telescopic rod 1310. Under the mutual cooperation of the contact plate 1311 and the second elastic telescopic rod 1310, the vibration during the operation of the equipment can be effectively absorbed and buffered, preventing the equipment from shaking or tilting due to vibration, ensuring the stable operation of the equipment. At the same time, the fluctuation of the waste gas flow caused by vibration can be reduced, ensuring the uniform distribution of the waste gas in the purification unit, and thus improving the purification efficiency.

[0032] While the second bump plate 136 starts to move upward, it drives the slide bar 141 to start moving upward. The movement of the slide bar 141 drives the fixed plate 142 to start moving upward. The movement of the fixed plate 142 drives the linkage rod 144 to start moving upward. The upward movement of the linkage rod 144 pushes the third gear 143 to start rotating. The rotation of the third gear 143 drives the fourth gear 145 to start rotating. The rotation of the fourth gear 145 drives the fixed rod 146 to start rotating. The rotation of the fixed rod 146 drives the rotating plate 147 to start rotating. The rotation of the rotating plate 147 enables the waste gas to come into full contact with the filtrate, increasing the contact area and time between the waste gas and the filtrate, and enabling the pollutants in the waste gas to be more fully absorbed or reacted by the filtrate, thereby improving the purification efficiency. At the same time, the rotation of the rotating plate 147 can promote the mass transfer process between the waste gas and the filtrate, enabling the pollutants to transfer from the gas phase to the liquid phase faster and improving the purification speed. While the rotating plate 147 is rotating, it contacts and pushes the arc plate 149 to start moving. The movement of the arc plate 149 squeezes the movable end of the third elastic telescopic rod 148. When the rotating plate 147 continues to rotate, the rotating plate 147 disengages from the arc plate 149. Subsequently, the arc plate 149 starts to move and reset under the action of the movable end of the third elastic telescopic rod 148. The movement of the arc plate 149 contacts the top of the rubber valve 139 and scrapes off the impurities that may accumulate on the top of the rubber valve 139, preventing the impurities from blocking the rubber valve 139 and causing poor exhaust of the waste gas. At the same time, it can prevent the weakening of the filtration effect of the device due to excessive accumulation of impurities.

[0033] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An industrial chemical processing waste gas purification device, comprising a tank body (1), characterized in that: A support frame (2) is fixedly mounted on the bottom of the tank body (1), an air inlet pipe (3) is fixedly mounted on the circumferential surface of the tank body (1), an air outlet pipe (4) is fixedly mounted on the top of the tank body (1), a waste material outlet (5) is arranged at the bottom of the tank body (1), and a filtering device is arranged inside the tank body (1); The filtering device comprises a motor (6), a rotating shaft (7), a gear 1 (8), a filter plate (9), a rotating rod (10), a gear 2 (11) and a scraper rod (12); the motor (6) is fixedly mounted on the circumferential surface of the tank body (1); the rotating shaft (7) is fixedly mounted on the output end of the motor (6); the gear 1 (8) is fixedly mounted on an end of the rotating shaft (7) away from the output end of the motor (6); the filter plate (9) is fixedly mounted on the inner wall of the tank body (1); the rotating rod (10) rotates and penetrates the filter plate (9); the gear 2 (11) is fixedly mounted on the bottom of the rotating rod (10); and the scraper rod (12) is fixedly mounted on the circumferential surface of the rotating rod (10); Wherein, a pushing device for promoting gas circulation and a rotating device for increasing the contact between gas and liquid are arranged inside the tank body (1).

2. The industrial chemical processing waste gas purification device according to claim 1, characterized in that: The gear one (8) is meshed with the gear two (11), and the scraper rod (12) is in contact with the filter plate (9).

3. The industrial chemical processing waste gas purification device according to claim 2, characterized in that: The pushing device comprises a convex plate 1 (131), a fixing frame (132), an elastic telescopic rod 1 (133), a top plate (134), a connecting rod (135), a convex plate 2 (136), a partition plate (137), an accumulation block (138) and a rubber valve (139), wherein the convex plate 1 (131) is fixedly mounted on the circumferential surface of the rotating rod (10), the fixing frame (132) is fixedly mounted on the inner wall of the tank body (1), and the elastic telescopic rod 1 (133) is fixedly mounted on the fixing frame (132) at the top, the top plate (134) is fixedly mounted on the movable end of the elastic telescopic rod (133), the connecting rod (135) is fixedly mounted on the bottom of the top plate (134), the protrusion plate (136) is fixedly mounted on the bottom of the connecting rod (135), the partition plate (137) is fixedly mounted on the inner wall of the tank body (1), the accumulation block (138) is fixedly mounted on the bottom of the partition plate (137), and the rubber valve (139) is fixedly mounted inside the partition plate (137).

4. The industrial chemical processing waste gas purification device according to claim 3, characterized in that: The pushing device further comprises a second elastic telescopic rod (1310) and a contact plate (1311), wherein the second elastic telescopic rod (1310) is fixedly mounted on the top of the filter plate (9), and the contact plate (1311) is fixedly mounted on the movable end of the second elastic telescopic rod (1310).

5. The industrial chemical processing waste gas purification device according to claim 4, characterized in that: The first protrusion plate (131) contacts the second protrusion plate (136), and the connecting rod (135) contacts the contact plate (1311).

6. The industrial chemical processing waste gas purification device according to claim 5, characterized in that: The rotating device comprises a sliding rod (141), a fixed plate (142), a gear three (143), a linkage rod (144), a gear four (145), a fixed rod (146) and a rotating plate (147), wherein the sliding rod (141) is fixedly mounted on the top of the second protruding plate (136), the fixed plate (142) is fixedly mounted on the top of the sliding rod (141), the gear three (143) is rotatably mounted on the bottom of the partition plate (137), one end of the linkage rod (144) is rotatably mounted on the top of the fixed plate (142), the other end of the linkage rod (144) is rotatably mounted on the bottom of the gear three (143), the gear four (145) is rotatably mounted on the bottom of the partition plate (137), the fixed rod (146) is fixedly mounted on the top of the gear four (145), and the rotating plate (147) is fixedly mounted on the circumferential surface of the fixed rod (146).

7. The industrial chemical processing waste gas purification device according to claim 6, characterized in that: The rotating device further comprises an elastic telescopic rod three (148) and an arc plate (149), wherein the elastic telescopic rod three (148) is fixedly mounted on the inner wall of the tank body (1), and the arc plate (149) is fixedly mounted on the movable end of the elastic telescopic rod three (148).

8. The industrial chemical processing waste gas purification device according to claim 7, characterized in that: The gear three (143) meshes with the gear four (145), and the arc plate (149) contacts the rubber valve (139).

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