Chemical waste gas treatment equipment

Abstract

The invention belongs to the technical field of chemical waste gas treatment, and particularly relates to chemical waste gas treatment equipment which comprises a treatment box, the upper end of the treatment box is fixedly communicated with a filter box, the interior of the filter box is fixedly connected with a partition plate, and activated carbon adsorption nets are fixedly connected between the two side walls of the partition plate and the inner wall of the filter box; the two groups of flow guide assemblies are symmetrically arranged on the two sides of the partition plate and used for uniformly conveying waste gas to the position above the activated carbon adsorption net, and each group of flow guide assembly comprises two rotating rods rotationally connected between the inner walls of the two sides of the filter box. By arranging the flow guide assembly, when waste gas is treated, impact force generated by gas flowing during waste gas conveying drives two flow guide plates to swing in opposite directions in a reciprocating mode, waste gas is evenly conveyed to an activated carbon adsorption net, and it is ensured that the waste gas can be evenly distributed when passing through the activated carbon adsorption net; adsorbents in some areas of the activated carbon adsorption net are prevented from reaching a saturation state too early.

Description

Technical Field

[0001] The invention belongs to the technical field of chemical waste gas treatment, and in particular relates to chemical waste gas treatment equipment. Background Art

[0002] Chemical waste gas treatment equipment is used to purify and treat waste gas generated during chemical production. These waste gases usually contain harmful gases (such as toxic and harmful gases, acidic gases, alkaline gases, particulate matter, etc.). If they are not treated, they may cause serious harm to the environment and human health. The main task of chemical waste gas treatment equipment is to remove harmful substances in waste gas, meet environmental emission standards, and ensure safety and environmental protection.

[0003] During the use of waste gas treatment equipment, waste gas is usually treated by methods such as adsorption, washing or biodegradation. For example, a chemical waste gas treatment equipment disclosed in publication number CN117122997B can treat waste gas through an activated carbon filter plate. At the same time, the gap of the activated carbon filter plate can be cleaned, and the granular objects attached to the surface of the activated carbon filter plate can be cleaned without affecting the flow of waste gas. However, the above waste gas treatment equipment still has the following technical problems when used: When treating the waste gas, it is impossible to ensure that the waste gas passes through the activated carbon adsorption net evenly, which may lead to a larger airflow in some areas and a smaller airflow in other areas. This uneven flow will cause the adsorbent in some areas to reach saturation prematurely, especially in areas with strong airflow. The adsorbent may quickly adsorb pollutants in the waste gas, forming a local "blockage" or "saturation" phenomenon. At the same time, it is also easy to have a channel effect, causing the airflow to flow along a relatively smooth channel or path in the activated carbon adsorption net, and the adsorbent in other areas is not fully utilized, reducing the adsorption efficiency; When treating waste gas, the adsorbent will absorb harmful substances in the air during the working process. Once the surface of the adsorbent is filled with pollutants, the adsorption efficiency will be reduced. Therefore, the activated carbon adsorption net needs to be replaced frequently. Not only is the operation cumbersome and increases the workload of the staff, but the replacement of the activated carbon adsorption net inevitably requires downtime, which greatly reduces the treatment efficiency of the waste gas. Summary of the invention

[0004] The purpose of the present invention is to provide a chemical waste gas treatment equipment that can evenly transport waste gas to an activated carbon adsorption net to ensure that the waste gas is evenly distributed when passing through the activated carbon adsorption net in response to the problems raised in the above background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A chemical waste gas treatment device, comprising: A treatment box, wherein the upper end of the treatment box is fixedly connected to a filter box, a partition plate is fixedly connected inside the filter box, and an activated carbon adsorption net is fixedly connected between the two side walls of the partition plate and the inner wall of the filter box; Two groups of flow guide components symmetrically arranged on both sides of the partition plate are used to uniformly transport the exhaust gas to the top of the activated carbon adsorption net. Each group of the flow guide components includes two rotating rods rotatably connected between the inner walls of the two sides of the filter box. Each of the rotating rods is fixedly connected to a flow guide plate. The portion of each rotating rod extending outside the filter box is fixedly connected to a first gear. A first rack is meshed and connected between the two first gears. A driving component is provided in the filter box, which is used to drive the first rack to move back and forth in the vertical direction by the impact force of the airflow during the exhaust gas transportation process; The backflush assembly is used to perform backflush operation regularly during the exhaust gas treatment process to avoid clogging of the activated carbon adsorption network.

[0006] Preferably, the driving component includes a suction chamber opened in the partition plate, the suction chamber is rotatably connected to a reciprocating screw rod, the top of the reciprocating screw rod extends to above the partition plate and is fixedly connected to a plurality of driving blades, the inner wall of the suction chamber is slidably connected to a lifting plate, the lifting plate is threadedly connected to the reciprocating screw rod, a piston plate is fixedly connected to the upper position of the lifting plate, and the piston plate and the reciprocating screw rod are sealed, the piston plate is sealingly and slidably connected to the inner wall of the suction chamber, the outer wall of the filter box is fixedly connected to a driving box, the inner wall of the driving box is sealingly and slidably connected to the driving plate, a connecting channel is connected between the driving box and the suction chamber, the space in the driving box below the driving plate, the space in the suction chamber above the piston plate and the connecting channel are all filled with hydraulic oil, and a connecting rod is fixedly connected between the driving plate and the first rack.

[0007] Preferably, the back-blowing assembly includes an air intake channel opened on the outer wall of the filter box, the air intake channel connecting the space below the piston plate in the suction chamber with the outside world, an air storage box is fixedly connected to the outer wall of the filter box, an exhaust channel is connected between the air storage box and the space below the piston plate in the suction chamber, a three-way pipe is fixedly connected to the lower end of the air storage box, two first exhaust pipes and one second exhaust pipe are arranged on the three-way pipe, an automatic pressure relief valve is arranged at the connection between the air storage box and the three-way pipe, transmission rods are rotatably connected to the two side walls of the partition plate located below the activated carbon adsorption net, a hollow exhaust plate is fixedly connected to each of the transmission rods, and the sides of the two exhaust plates away from the transmission rods are respectively connected to the first exhaust pipes at the corresponding positions.

[0008] Preferably, each exhaust plate is connected to the first exhaust pipe at the corresponding position in a sealed rotatable connection.

[0009] Preferably, one-way valves are provided in both the air intake passage and the exhaust passage.

[0010] Preferably, a swing assembly is also provided on the outer wall of the filter box on a side away from the air storage box, including an extension rod fixedly connected to the lower end of the lifting plate, the part of the extension rod extending outside the filter box is provided with a first spring, the bottom end of the first spring is provided with a guide plate, both sides of the guide plate are fixedly connected with symmetrically arranged corrugated rails, each part of the transmission rod extending outside the filter box is fixedly connected with a second gear, a second rack is slidably connected to the outer wall of the filter box in a horizontal direction, a second spring is provided between the two second racks, each of the second racks is fixedly connected to a mounting rod, and each of the mounting rods is rotatably connected to a guide wheel at one end close to the corrugated rail, and each of the guide wheels rolls in contact with the corrugated rail at a corresponding position.

[0011] Preferably, a limiting groove is provided on the outer wall of the filter box, the extension rod extends to the outside of the filter box through the limiting groove, and the extension rod is slidably connected to the inner wall of the limiting groove.

[0012] Preferably, a limit assembly is provided on the side wall of the filter box below the guide plate to prevent the exhaust plate from continuously swinging and affecting the exhaust gas filtration efficiency. The limit assembly includes a locking plate fixedly connected to the lower end of the guide plate, and locking grooves are provided on both side walls of the locking plate. Two locking boxes are fixedly connected to the outer wall of the filter box, and the two locking boxes are symmetrically distributed on both sides of the locking plate. A piston block is sealingly and slidably connected in each locking box, and a third spring is provided between the piston block and the inner wall of the locking box. A push rod is fixedly connected to the side of the piston block close to the locking plate, and the part of the push rod extending outside the locking box is fixedly connected to a wedge-shaped locking block that cooperates with the locking groove, and the second exhaust pipe is connected to the interior of the two locking boxes.

[0013] Compared with the existing technology, the advantages of this chemical waste gas treatment equipment are: The present invention sets a guide component. When treating the waste gas, the impact force generated by the gas flow during the waste gas transportation drives the driving blades to rotate, and then drives the reciprocating screw to rotate, so that the lifting plate can drive the piston plate to perform reciprocating vertical displacement, and drive the driving plate to perform reciprocating vertical displacement. The two guide plates are made to swing back and forth in opposite directions through the first rack and the first gear, and the waste gas is evenly transported to the activated carbon adsorption net, ensuring that the waste gas can be evenly distributed when passing through the activated carbon adsorption net, avoiding the adsorbent in certain areas of the activated carbon adsorption net from reaching a saturated state too early, forming a local "blockage" or "saturation" phenomenon, and preventing the occurrence of a channel effect, thereby ensuring full utilization of the adsorbent and improving the adsorption efficiency of the waste gas.

[0014] The present invention arranges a backflush assembly. When treating the waste gas, the piston plate performs reciprocating vertical displacement, continuously pumps outside air into the space below the piston plate in the suction chamber, and further transports the outside air to the air storage box for storage. When the air pressure in the air storage box exceeds the critical value of the automatic pressure relief valve, the compressed gas impacts the bottom of the activated carbon adsorption net from bottom to top. In the process of treating the waste gas, the activated carbon adsorption net is regularly backflush (countercurrent) operated to clean up the blockage or pressure drop of the adsorbent in the activated carbon adsorption net, thereby reducing the replacement frequency of the activated carbon adsorption net, reducing the workload of the staff and improving the treatment efficiency of the waste gas.

[0015] The present invention arranges a swing component. When treating exhaust gas, the lifting plate performs reciprocating vertical displacement, and the two guide wheels are pushed intermittently away from each other through the abutment of the corrugated track. The elastic force of the second spring causes the two second racks to perform reciprocating horizontal displacement, driving the exhaust plate to perform reciprocating swing, so that the gas can evenly and comprehensively impact the bottom of the activated carbon adsorption net, completely clearing the blockage or pressure drop of the adsorbent in the activated carbon adsorption net, thereby improving the cleaning effect of the activated carbon adsorption net.

[0016] The present invention sets a limit assembly, when the high-pressure gas is discharged and the backblowing operation of the activated carbon adsorption net is completed, the air pressure in the locking box is restored to the normal atmospheric pressure, and the two wedge-shaped locking blocks approach each other. When the guide plate drives the locking plate to move down to the bottom, the two wedge-shaped locking blocks automatically enter the locking groove to lock the guide plate, so that the exhaust plate no longer swings after swinging to a vertical state and is automatically locked, thereby preventing the exhaust plate from continuously swinging and interfering with the circulation of the exhaust gas, thereby affecting the exhaust gas treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a cross-sectional view of the filter box of the present invention; Figure 3 yes Figure 2 The enlarged view of point A in the middle; Figure 4 is a cross-sectional view of the filter box of the present invention from another angle; Figure 5 yes Figure 4 The enlarged view of point B in the middle; Figure 6 It is a partial structural schematic diagram of the backflush assembly, the swing assembly, and the limit assembly in the present invention; Figure 7 yes Figure 6 Enlarged view of point C in the middle.

[0018] In the figure: 1, treatment box; 11, filter box; 12, partition plate; 13, activated carbon adsorption net; 2, guide assembly; 21, rotating rod; 22, guide plate; 23, first gear; 24, first rack; 25, driving component; 251, suction chamber; 252, reciprocating screw rod; 253, driving fan blade; 254, lifting plate; 255, piston plate; 256, driving box; 257, driving plate; 258, connecting channel; 3, backflush assembly; 31, air inlet channel; 32, air storage box; 33, exhaust channel; 34 , three-way pipe; 35, first exhaust pipe; 36, second exhaust pipe; 37, transmission rod; 38, exhaust plate; 4, swing assembly; 41, extension rod; 42, first spring; 43, guide plate; 44, corrugated track; 45, second gear; 46, second rack; 47, second spring; 48, mounting rod; 49, guide wheel; 5, limit groove; 6, limit assembly; 61, locking plate; 62, locking groove; 63, locking box; 64, piston block; 65, third spring; 66, push rod; 67, wedge-shaped locking block. DETAILED DESCRIPTION

[0019] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0020] Example 1: Reference Figures 1 to 7 , a chemical waste gas treatment equipment, used in the waste gas treatment process when the waste gas flow rate is large, at this time the impact force of the airflow during the waste gas transportation process is sufficient to overcome the resistance of each component, driving the driving blade 253 to rotate, including: A treatment box 1, the upper end of which is fixedly connected to a filter box 11, a partition plate 12 is fixedly connected inside the filter box 11, and an activated carbon adsorption net 13 is fixedly connected between the two side walls of the partition plate 12 and the inner wall of the filter box 11; Two groups of guide components 2 symmetrically arranged on both sides of the partition plate 12 are used to uniformly transport the exhaust gas to the top of the activated carbon adsorption net 13. Each group of guide components 2 includes two rotating rods 21 rotatably connected between the inner walls of the two sides of the filter box 11. A guide plate 22 is fixedly connected to each rotating rod 21. The part of each rotating rod 21 extending outside the filter box 11 is fixedly connected to a first gear 23. A first rack 24 is meshed and connected between the two first gears 23. A driving component 25 is provided in the filter box 11, which is used to drive the first rack 24 to move back and forth in the vertical direction by the impact force of the airflow during the exhaust gas transportation process; The driving component 25 includes a suction chamber 251 opened inside the partition plate 12, and a reciprocating screw rod 252 is rotatably connected inside the suction chamber 251. The top of the reciprocating screw rod 252 extends above the partition plate 12 and is fixedly connected to a plurality of driving blades 253. The inner wall of the suction chamber 251 is slidably connected to a lifting plate 254 in a vertical direction. The lifting plate 254 is threadedly connected to the reciprocating screw rod 252. A piston plate 255 is fixedly connected to the upper position of the lifting plate 254, and the piston plate 255 and the reciprocating screw rod 252 are sealed and movable. The plug plate 255 is sealingly and slidably connected to the inner wall of the suction chamber 251, and a driving box 256 is fixedly connected to the outer wall of the filter box 11. The inner wall of the driving box 256 is sealingly and slidably connected to a driving plate 257. A connecting channel 258 is connected between the driving box 256 and the suction chamber 251. The space below the driving plate 257 in the driving box 256, the space above the piston plate 255 in the suction chamber 251, and the connecting channel 258 are all filled with hydraulic oil. A connecting rod is fixedly connected between the driving plate 257 and the first rack 24.

[0021] In view of the fact that the prior art cannot ensure that the exhaust gas passes through the activated carbon adsorption net 13 uniformly, which causes the activated carbon adsorption net 13 to easily form a local "blockage" or "saturation" phenomenon, the present invention sets a guide component 2. When treating the exhaust gas, the impact force generated by the gas flow during the exhaust gas transportation drives the driving blade 253 to rotate, and then drives the reciprocating screw rod 252 to rotate, so that the lifting plate 254 can drive the piston plate 255 to reciprocate vertical displacement, so that the hydraulic oil above the piston plate 255 in the suction chamber 251 continuously enters the drive box 256 and continuously flows back to the suction chamber 251, so that the liquid level of the hydraulic oil in the drive box 256 changes continuously, thereby driving the drive plate 257 to reciprocate vertical displacement, driving the first rack 24 to reciprocate vertical displacement, and under the action of the first gear 23, the two guide plates 22 reciprocates and swings in opposite directions. When the upper sides of the two guide plates 22 swing closer to each other, the airflow above the guide plates 22 is more transported to the middle position of the activated carbon adsorption net 13. When the upper sides of the two guide plates 22 swing away from each other, the airflow above the guide plates 22 is more transported to the two sides of the activated carbon adsorption net 13, thereby uniformly transporting the exhaust gas to the activated carbon adsorption net 13, ensuring that the exhaust gas can be evenly distributed when passing through the activated carbon adsorption net 13, avoiding the adsorbent in certain areas of the activated carbon adsorption net 13 from reaching a saturated state too early, forming a local "blockage" or "saturation" phenomenon, and preventing the occurrence of a channel effect, ensuring full utilization of the adsorbent, and improving the adsorption efficiency of the exhaust gas. In addition, the method of driving by the impact force of the airflow during exhaust gas transportation saves the use of a driving source and reduces processing costs.

[0022] The back-flushing component 3 is used to perform back-flushing operation regularly during the waste gas treatment process to avoid clogging of the activated carbon adsorption network 13 .

[0023] The back-blowing assembly 3 is driven by the driving component 25, and the back-blowing assembly 3 includes an air intake channel 31 opened on the outer wall of the filter box 11, and the air intake channel 31 connects the space below the piston plate 255 in the suction chamber 251 with the outside world. An air storage box 32 is fixedly connected to the outer wall of the filter box 11, and an exhaust channel 33 is connected between the air storage box 32 and the space below the piston plate 255 in the suction chamber 251. A three-way pipe 34 is fixedly connected to the lower end of the air storage box 32, and two first exhaust pipes 35 and a second exhaust pipe 36 are provided on the three-way pipe 34. An automatic pressure relief valve is provided at the connection between the air storage box 32 and the three-way pipe 34. Transmission rods 37 are rotatably connected to the two side walls of the partition plate 12 located below the activated carbon adsorption net 13, and each transmission rod 37 is fixedly connected to an exhaust plate 38. The sides of the two exhaust plates 38 away from the transmission rod 37 are respectively connected to the first exhaust pipes 35 at the corresponding positions.

[0024] Specifically, the exhaust plate 38 is hollow, and its interior is connected to the first exhaust pipe 35 and is also connected to the space above the exhaust plate 38 .

[0025] Specifically, each exhaust plate 38 is connected to the first exhaust pipe 35 at the corresponding position in a sealed rotational connection, and the rotational connection between the exhaust plate 38 and the first exhaust pipe 35 is coaxially arranged with the transmission rod 37, so that the exhaust plate 38 will not cause twisting to the first exhaust pipe 35 during the subsequent rotation process, thereby ensuring the normal gas delivery and backblowing operations.

[0026] Specifically, both the intake channel 31 and the exhaust channel 33 are provided with a one-way valve. Through the setting of the one-way valve, when the piston plate 255 performs reciprocating vertical displacement, the air can only enter the space below the piston plate 255 in the suction chamber 251 through the intake channel 31, and the air in the space below the piston plate 255 in the suction chamber 251 can only enter the interior of the air storage box 32 through the exhaust channel 33, thereby preventing the gas from flowing back and affecting the increase of the air pressure in the air storage box 32.

[0027] In view of the problem that the activated carbon adsorption net 13 needs to be frequently replaced in the prior art, which is not only cumbersome to operate and increases the workload of the staff, but also the process of replacing the activated carbon adsorption net 13 inevitably requires downtime for processing, resulting in a significant reduction in the treatment efficiency of the exhaust gas, the present invention sets a backflush assembly 3. When treating the exhaust gas, the piston plate 255 performs a reciprocating vertical displacement, continuously pumping the outside air into the space below the piston plate 255 in the suction chamber 251, and further transporting it to the air storage box 32 for storage. When the air pressure in the air storage box 32 exceeds the critical value of the automatic pressure relief valve, the automatic pressure relief valve 256 is automatically The pressure relief valve opens automatically, and the compressed gas is delivered to the exhaust plate 38 through the three-way pipe 34 and the first exhaust pipe 35, and the air is further impacted from bottom to top on the bottom of the activated carbon adsorption net 13. In the process of treating the exhaust gas, the activated carbon adsorption net 13 is regularly backblown (countercurrent) to clean up the blockage or pressure drop of the adsorbent in the activated carbon adsorption net 13, thereby reducing the replacement frequency of the activated carbon adsorption net 13, reducing the workload of the staff and improving the treatment efficiency of the exhaust gas. At the same time, during the exhaust gas treatment, a good airflow state and a longer residence time can be maintained, thereby improving the treatment effect of the exhaust gas.

[0028] A swing assembly 4 is also provided on the outer wall of the filter box 11 on the side away from the air storage box 32, which is used to drive the exhaust plate 38 to swing back and forth during the backblowing operation to achieve comprehensive cleaning of the activated carbon adsorption net 13. The swing assembly 4 includes an extension rod 41 fixedly connected to the lower end of the lifting plate 254, and the part of the extension rod 41 extending outside the filter box 11 is provided with a first spring 42, and the bottom end of the first spring 42 is provided with a guide plate 43, and both sides of the guide plate 43 are fixedly connected with symmetrically arranged corrugated rails 44, and each transmission rod 37 extending outside the filter box 11 is fixedly connected with a second gear 45, and a second rack 46 is slidably connected to the outer wall of the filter box 11 in the horizontal direction, and a second spring 47 is provided between the two second racks 46, and each second rack 46 is fixedly connected with a mounting rod 48, and each mounting rod 48 is rotatably connected to a guide wheel 49 at one end close to the corrugated rail 44, and each guide wheel 49 rolls in contact with the corrugated rail 44 at the corresponding position.

[0029] Specifically, a limiting groove 5 is opened on the outer wall of the filter box 11, and the extension rod 41 extends to the outside of the filter box 11 through the limiting groove 5, and the extension rod 41 is slidably connected to the inner wall of the limiting groove 5 to avoid motion interference when the lifting plate 254 drives the guide plate 43 to move vertically through the extension rod 41.

[0030] In order to improve the cleaning effect of the activated carbon adsorption net 13, the present invention sets a swing component 4. When treating the exhaust gas, the lifting plate 254 performs reciprocating vertical displacement, and the guide plate 43 is pulled to perform reciprocating vertical displacement through the extension rod 41 and the first spring 42, and then the two guide wheels 49 are pushed to intermittently move away from each other through the corrugated track 44, so that the two second racks 46 intermittently move away from each other, and intermittently approach each other under the elastic force of the second spring 47, so that the two second racks 46 perform reciprocating horizontal displacement, driving the transmission rod 37 and the exhaust plate 38 to swing back and forth, so that the gas can be evenly and comprehensively impacted on the bottom of the activated carbon adsorption net 13, and the blockage or pressure drop of the adsorbent in the activated carbon adsorption net 13 is completely cleared, thereby improving the cleaning effect of the activated carbon adsorption net 13.

[0031] A limit assembly 6 is also provided on the side wall of the filter box 11 below the guide plate 43, which is used to automatically lock the guide plate 43 after the backblowing operation is completed, so as to prevent the exhaust plate 38 from continuously swinging and affecting the exhaust gas filtration efficiency. The limit assembly 6 includes a locking plate 61 fixedly connected to the lower end of the guide plate 43, and locking grooves 62 are provided on both side walls of the locking plate 61. Two locking boxes 63 are fixedly connected to the outer wall of the filter box 11, and the two locking boxes 63 are symmetrically distributed on both sides of the locking plate 61. A piston block 64 is sealed and slidably connected in each locking box 63, and a third spring 65 is provided between the piston block 64 and the inner wall of the locking box 63. A push rod 66 is fixedly connected to the side of the piston block 64 close to the locking plate 61, and a wedge-shaped locking block 67 that cooperates with the locking groove 62 is fixedly connected to the push rod 66 extending outside the locking box 63. The second exhaust pipe 36 is connected to the interior of the two locking boxes 63.

[0032] In addition, the present invention provides a limit assembly 6. When the high-pressure gas is discharged, part of the high-pressure gas will enter the two locking boxes 63 through the second exhaust pipe 36, so that the piston block 64 is pushed to overcome the elastic force of the third spring 65 through the increase of the gas pressure in the locking box 63, so that the piston block 64 can be away from the locking plate 61, the wedge-shaped locking block 67 can be withdrawn from the locking groove 62, and the guide plate 43 can be vertically displaced following the lifting plate 254 through the extension rod 41, so that when the high-pressure gas is discharged and the back-blowing operation is performed, the exhaust plate 38 can swing back and forth without movement interference. The swing assembly 4 is involved, so that the swing assembly 4 can work synchronously with the guide assembly 2, saving the driving source and reducing the energy consumption. When the high-pressure gas is discharged, the air pressure in the locking box 63 is restored to the normal atmospheric pressure, and the two wedge-shaped locking blocks 67 are close to each other. When the guide plate 43 drives the locking plate 61 to move down to the bottom, the two wedge-shaped locking blocks 67 automatically enter the locking groove 62 to lock the guide plate 43, so that the exhaust plate 38 no longer swings after swinging to the vertical state, and is automatically locked, so as to avoid the continuous swing of the exhaust plate 38 interfering with the circulation of the exhaust gas, and further affecting the exhaust gas treatment efficiency.

[0033] Embodiment 2: A chemical waste gas treatment equipment is used in the case where the flow rate of waste gas is small during the waste gas treatment process. At this time, the impact force of the airflow during the transportation of the waste gas is not sufficient to overcome the resistance of each component. A driving motor is installed inside the partition plate 12 to drive the reciprocating screw to rotate, thereby realizing operations such as diversion and backblowing of the waste gas.

[0034] The present invention can be explained by the following operation mode: When treating the waste gas, the waste gas is transported to the treatment box 1 through the filter box 11. The impact force generated by the gas flow during the waste gas transportation drives the driving blade 253 to rotate, and then drives the reciprocating screw rod 252 to rotate, so that the lifting plate 254 can drive the piston plate 255 to reciprocate vertically, drive the driving plate 257 to reciprocate vertically, drive the first rack 24 to reciprocate vertically, and under the action of the first gear 23, the two guide plates 22 reciprocate and swing in opposite directions, so that the waste gas is evenly transported to the activated carbon adsorption net 13, ensuring that the waste gas can be evenly distributed when passing through the activated carbon adsorption net 13; The piston plate 255 performs reciprocating vertical displacement, continuously pumping outside air into the space below the piston plate 255 in the suction chamber 251, and further transporting it to the air storage box 32 for storage. When the air pressure in the air storage box 32 exceeds the critical value of the automatic pressure relief valve, the compressed gas is transported to the exhaust plate 38 through the three-way pipe 34 and the first exhaust pipe 35, and further allows the air to impact the bottom of the activated carbon adsorption net 13 from bottom to top, and the activated carbon adsorption net 13 is regularly backwashed (countercurrent) in the process of treating the exhaust gas; The lifting plate 254 performs reciprocating vertical displacement, which pulls the guide plate 43 to perform reciprocating vertical displacement, and then drives the two second racks 46 to perform reciprocating horizontal displacement through the corrugated track 44 and the guide wheel 49, and drives the transmission rod 37 and the exhaust plate 38 to perform reciprocating swing, so that the gas can evenly and comprehensively impact the bottom of the activated carbon adsorption net 13; When the high-pressure gas is discharged, the air pressure in the locking box 63 returns to normal atmospheric pressure, and the two wedge-shaped locking blocks 67 approach each other. When the guide plate 43 drives the locking plate 61 to move down to the bottom, the two wedge-shaped locking blocks 67 automatically enter the locking groove 62 to lock the guide plate 43, so that the exhaust plate 38 no longer swings after swinging to a vertical state and is automatically locked to prevent the exhaust plate 38 from continuously swinging and interfering with the flow of exhaust gas.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chemical waste gas treatment equipment, characterized in that: include: A treatment box (1), wherein the upper end of the treatment box (1) is fixedly connected to a filter box (11), a partition plate (12) is fixedly connected inside the filter box (11), and an activated carbon adsorption net (13) is fixedly connected between the two side walls of the partition plate (12) and the inner wall of the filter box (11); Two groups of flow guide components (2) symmetrically arranged on both sides of the partition plate (12) are used to uniformly transport the exhaust gas to the top of the activated carbon adsorption net (13), each group of the flow guide components (2) comprises two rotating rods (21) rotatably connected between the inner walls of the filter box (11) on both sides, each of the rotating rods (21) is fixedly connected to a flow guide plate (22), and each of the rotating rods (21) The portion extending outside the filter box (11) is fixedly connected to a first gear (23), and a first rack (24) is meshedly connected between the two first gears (23), and a driving component (25) is provided in the filter box (11) for driving the first rack (24) to move back and forth in a vertical direction by the impact force of the airflow during the exhaust gas transportation process; The backflush assembly (3) is used to periodically perform backflush operations during the waste gas treatment process to avoid clogging of the activated carbon adsorption net (13).

2. The chemical waste gas treatment equipment according to claim 1, characterized in that: The driving component (25) comprises a suction chamber (251) opened inside the partition plate (12); a reciprocating screw rod (252) is rotatably connected inside the suction chamber (251); the top end of the reciprocating screw rod (252) extends above the partition plate (12) and is fixedly connected to a plurality of driving blades (253); a lifting plate (254) is slidably connected to the inner wall of the suction chamber (251); the lifting plate (254) is threadedly connected to the reciprocating screw rod (252); a piston plate (255) is fixedly connected above the lifting plate (254); and the piston plate (255) and the reciprocating screw rod (252) are sealed. The piston plate (255) is sealingly and slidably connected to the inner wall of the suction chamber (251); a driving box (256) is fixedly connected to the outer wall of the filter box (11); a driving plate (257) is sealingly and slidably connected to the inner wall of the driving box (256); a connecting channel (258) is connected between the driving box (256) and the suction chamber (251); a space below the driving plate (257) in the driving box (256), a space above the piston plate (255) in the suction chamber (251), and the connecting channel (258) are all filled with hydraulic oil; and a connecting rod is fixedly connected between the driving plate (257) and the first rack (24).

3. The chemical waste gas treatment equipment according to claim 2, characterized in that: The backflush assembly (3) comprises an air intake passage (31) formed on the outer wall of the filter box (11), the air intake passage (31) connecting the space of the suction chamber (251) below the piston plate (255) and the outside world; an air storage box (32) is fixedly connected to the outer wall of the filter box (11); an exhaust passage (33) is connected between the air storage box (32) and the space of the suction chamber (251) below the piston plate (255); a three-way pipe (34) is fixedly connected to the lower end of the air storage box (32); the three-way pipe (34) is connected to the suction chamber (251) and ... ) are provided with two first exhaust pipes (35) and a second exhaust pipe (36); an automatic pressure relief valve is provided at the connection point between the air storage box (32) and the three-way pipe (34); both side walls of the partition plate (12) located below the activated carbon adsorption net (13) are rotatably connected to transmission rods (37); each of the transmission rods (37) is fixedly connected to a hollow exhaust plate (38); and the sides of the two exhaust plates (38) away from the transmission rods (37) are respectively connected to the first exhaust pipes (35) at corresponding positions.

4. The chemical waste gas treatment equipment according to claim 3, characterized in that: The connection between each exhaust plate (38) and the first exhaust pipe (35) at the corresponding position is sealed and rotatably connected.

5. The chemical waste gas treatment equipment according to claim 3, characterized in that: Both the air intake channel (31) and the air exhaust channel (33) are provided with one-way valves.

6. The chemical waste gas treatment equipment according to claim 3, characterized in that: A swing assembly (4) is further provided on the outer wall of the filter box (11) on a side away from the air storage box (32), comprising an extension rod (41) fixedly connected to the lower end of the lifting plate (254), a first spring (42) being provided on the portion of the extension rod (41) extending outside the filter box (11), a guide plate (43) being provided at the bottom end of the first spring (42), symmetrically arranged corrugated rails (44) being fixedly connected on both sides of the guide plate (43), and each of the transmission rods (37) extending outside the filter box (11) The second gear (45) is fixedly connected to the outer wall of the filter box (11), and a second rack (46) is slidably connected in the horizontal direction. A second spring (47) is provided between the two second racks (46). Each of the second racks (46) is fixedly connected to a mounting rod (48). One end of each mounting rod (48) close to the corrugated track (44) is rotatably connected to a guide wheel (49). Each guide wheel (49) rolls in contact with the corrugated track (44) at a corresponding position.

7. The chemical waste gas treatment equipment according to claim 6, characterized in that: A limiting groove (5) is provided on the outer wall of the filter box (11), the extension rod (41) extends to the outside of the filter box (11) through the limiting groove (5), and the extension rod (41) is slidably connected to the inner wall of the limiting groove (5).

8. The chemical waste gas treatment equipment according to claim 6, characterized in that: A position limiting assembly (6) is further provided on the side wall of the filter box (11) below the guide plate (43) to prevent the exhaust plate (38) from continuously swinging and affecting the exhaust gas filtering efficiency. The position limiting assembly (6) comprises a locking plate (61) fixedly connected to the lower end of the guide plate (43). Locking grooves (62) are provided on both side walls of the locking plate (61). Two locking boxes (63) are fixedly connected to the outer wall of the filter box (11). The two locking boxes (63) are symmetrically distributed on the locking plate (61). ) on both sides, each of the locking boxes (63) is sealed and slidably connected with a piston block (64), a third spring (65) is provided between the piston block (64) and the inner wall of the locking box (63), a push rod (66) is fixedly connected to the side of the piston block (64) close to the locking plate (61), and the part of the push rod (66) extending outside the locking box (63) is fixedly connected to a wedge-shaped locking block (67) that cooperates with the locking groove (62), and the second exhaust pipe (36) is connected to the interior of the two locking boxes (63).

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