A waste gas treatment device for a chemical plant

Abstract

The application belongs to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device for a chemical workshop. The following scheme is proposed and comprises a container assembly and a ventilation assembly, and further comprises an auxiliary treatment assembly. The container assembly is provided with a box body and a box cover. The box cover is provided with a gas outlet pipe. The box body is provided with a plurality of partitions. The box body is provided with a plurality of treatment cavities which are distributed at equal distances and are formed by the plurality of partitions. The ventilation assembly is provided with a ventilation pipe which is horizontally rotatably arranged between the two sides of the box body. One end of the ventilation pipe is connected with a motor. The outer wall of the ventilation pipe is in communication with a connecting pipe at a position corresponding to the treatment cavity. One end of the connecting pipe away from the ventilation pipe is connected with a one-way valve. One end of the one-way valve away from the connecting pipe is connected with a gas outlet head. The application can effectively avoid the generation of impurities and the uneven distribution of reaction liquid, so as to improve the actual treatment effect.

Description

Technical Field

[0001] This invention relates to the field of waste gas treatment technology, and more particularly to a waste gas treatment device for a chemical workshop. Background Technology

[0002] In the process of chemical production, various materials react to produce a variety of waste gases, which must be treated before being discharged. Workshop waste gas treatment refers to the pretreatment of waste gases generated during the processing and manufacturing process in production and manufacturing enterprises before they are discharged to meet national waste gas emission standards.

[0003] There are various processes for treating waste gas. One common process is to introduce waste gas into a water tank or reaction liquid tank, so that the waste gas can come into full contact with the liquid and gradually overflow the liquid for collection and discharge. However, in actual long-term waste gas treatment operations, the continuous flow of waste gas from the exhaust port can cause continuous reaction at the exhaust port, which can easily lead to the accumulation of solid impurities produced by solids at the exhaust port, or insufficient concentration of the reaction liquid at the exhaust port, thus affecting the treatment effect of subsequent waste gas. Summary of the Invention

[0004] Based on the technical problems in the background art, the present invention proposes a waste gas treatment device for chemical workshops.

[0005] This invention proposes a waste gas treatment device for a chemical workshop, comprising a container assembly and a ventilation assembly, and further comprising an auxiliary treatment assembly. The container assembly is provided with a box body and a box cover, the box cover being provided with an exhaust pipe, and the box body being provided with multiple partitions, forming equally spaced treatment chambers within the box body. The ventilation assembly is provided with a ventilation pipe horizontally rotatably disposed between the two sides of the box body, one end of the ventilation pipe being connected to a motor, and a connecting pipe being connected to the outer wall of the ventilation pipe at a position corresponding to the treatment chamber. A one-way valve is connected to the end of the connecting pipe away from the ventilation pipe, and an exhaust head is connected to the end of the one-way valve away from the connecting pipe. The auxiliary treatment assembly is provided with two fixing frames, each fixed to the top position of the inner wall on both sides of the treatment chamber. A baffle is slidably disposed between the two fixing frames, the two ends of the baffle slidingly contacting the inner walls at both ends of the box body, and a spring connecting the top of the baffle to the fixing frame.

[0006] Preferably, the baffle is configured as an arc-shaped structure that arches downward in the middle, and the baffle is inclined upward from the middle towards both ends. Both ends of the baffle are fixed with sliding parts, and the sliding parts are configured as an arc-shaped structure that arches upward.

[0007] Preferably, a vertically placed electric push rod is fixed at the top of the box cover corresponding to the processing cavity, and a cover plate is fixed at the bottom of the electric push rod. The outer walls at both ends of the cover plate slide in contact with the inner wall of the box body, and the outer walls on both sides of the cover plate slide in contact with the inner walls on both sides of the processing cavity.

[0008] Preferably, two adjacent connecting pipes are arranged symmetrically as vent pipes, and the two adjacent connecting pipes are on the same plane.

[0009] Preferably, the partition plate has multiple fixing holes, and a horizontally placed connecting cylinder is fixed to the inner wall of the fixing holes. The two ends of the connecting cylinder are open, and pistons are slidably connected to both ends of the inner wall of the connecting cylinder. A spring is connected between two pistons.

[0010] Preferably, multiple connecting cylinders are horizontally distributed above and below the vent pipe on the partition plate, and multiple vertically placed connecting pipes are embedded in the partition plate. Both ends of the connecting pipes are connected to the middle position of the connecting cylinders, and the connecting pipes are connected to the position between the two pistons inside the connecting cylinders.

[0011] Preferably, the outer wall of the vent pipe is provided with heat exchange elements arranged in a ring array on both sides of the connecting pipe. The heat exchange elements are arranged as liquid flow sections outside the vent pipe. The liquid flow section is configured as two liquid flow vanes. The radial distance between the liquid flow vanes gradually increases towards the connecting pipe. The two liquid flow vanes are configured as an arc-shaped structure that arches away from the middle position.

[0012] Preferably, the heat exchanger further comprises a fixing part and an airflow part. The fixing part is fixed to the outer wall of the vent pipe. The liquid flow part is fixed at the position where the fixing part is outside the vent pipe. The airflow part is fixed at the position where the fixing part is inside the vent pipe. The airflow part is configured as a cylindrical structure. The axis of the airflow part is parallel to the axis of the vent pipe.

[0013] Preferably, a dispersion component is provided at the bottom of the processing chamber, and the dispersion component is provided with multiple limiting slide rods. The two ends of the limiting slide rods are fixedly connected to the two sides of the processing chamber, respectively. Dispersion plates are slidably connected to the outer walls of the limiting slide rods on both sides of the connecting pipe, and a spring is connected between two adjacent dispersion plates.

[0014] Preferably, the dispersing plate is inclined upward in a direction away from the spring three, and both ends of the dispersing plate are rolled up away from the spring three. The top side of the dispersing plate near the spring three has a plurality of horizontally arranged dispersing grooves.

[0015] The beneficial effects of this invention are as follows:

[0016] 1. In this embodiment of the invention, when the rotating exhaust head rotates to the top, it slides into contact with the bottom of the baffle, causing the two sides of the baffle to overlap with the fixed frame and seal the gap. The incoming waste gas accumulates and surges above, and collides with the rising airflow to disperse the airflow and liquid flow. The gas is discharged after the exhaust head moves away from the top and separates from the baffle. This ensures that during the long-term continuous influx of waste gas for treatment, the continuously entering waste gas and liquid have sufficient and effective contact and reaction. By increasing the vertical movement of the liquid flow, it effectively avoids the formation of impurities or uneven distribution of the reaction liquid, which would affect the actual treatment effect.

[0017] 2. In this embodiment of the invention, the baffles at the positions of two adjacent processing chambers will move upward alternately. When the baffle corresponding to the processing chamber moves upward to block it, the air pressure in the corresponding processing chamber increases, so as to squeeze the piston in the connecting cylinder at the side position outward. After the baffle returns to its original position, the piston reacts and moves due to the increase in air pressure on the adjacent side, so as to make the piston in the connecting cylinder reciprocate in the horizontal direction. The two pistons continuously squeeze and open to continuously change the distance, thereby further improving the horizontal movement and cross-movement effect of the liquid flow in the processing chamber between the two sides, so as to further improve the dispersion and contact treatment effect of the continuously surging airflow.

[0018] 3. In this embodiment of the invention, by varying the arc shape and radial distance of the liquid flow plate, the dispersion and contact treatment effect between the waste gas and the reaction liquid is further enhanced when waste gas is continuously introduced for a long time. By utilizing multiple sets of annularly distributed cylindrical airflow sections in the vent pipe, the airflow sent into the exhaust pipe is diverted and buffered, thus avoiding direct and rapid exhaust that would cause the gas to flow out quickly without timely contact treatment, thereby further improving the treatment effect of the waste gas being continuously introduced.

[0019] 4. In this embodiment of the invention, the centrifugal liquid flow generated by the rotation of the gas outlet causes the dispersion plate to move outward. When the concentration difference between the two sides of the treatment chamber is not dispersed in time due to the difference in concentration after the reaction, the airflow gushing out of the gas outlet to the side is different, which pushes the two adjacent dispersion plates to the same side, thereby further increasing the dispersion flow effect of the liquid flow at the bottom of the treatment chamber, so as to further enhance the contact treatment effect of the actual continuous influx of waste gas. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0021] Figure 2 This is a schematic diagram of the internal structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0022] Figure 3This is a schematic diagram of the fixed frame structure of a waste gas treatment device for a chemical workshop proposed in this invention;

[0023] Figure 4 This is a schematic diagram of the baffle structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0024] Figure 5 This is a schematic diagram of the partition structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0025] Figure 6 This is a schematic diagram of the connecting cylinder and connecting pipe structure of a waste gas treatment device for a chemical workshop proposed in this invention;

[0026] Figure 7 This is a cross-sectional view of the connecting cylinder of a waste gas treatment device for a chemical workshop proposed in this invention.

[0027] Figure 8 This is a schematic diagram of the ventilation pipe structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0028] Figure 9 This is a schematic diagram of the heat exchanger distribution structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0029] Figure 10 This is a schematic diagram of the heat exchanger structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0030] Figure 11 This is a schematic diagram of the dispersed component structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0031] Figure 12 This is a schematic diagram of the dispersion plate structure of a waste gas treatment device for a chemical workshop proposed in this invention.

[0032] In the diagram: 1. Box body, 101. Box cover, 2. Vent pipe, 3. Exhaust pipe, 4. Motor, 5. Partition plate, 6. Connecting pipe, 7. One-way valve, 8. Air outlet, 9. Liquid inlet pipe, 10. Liquid outlet pipe, 11. Air outlet pipe, 12. Fixing frame, 1201. Horizontal plate, 1202. Vertical plate, 13. Flow chamber, 14. Baffle plate, 1401. Sliding part, 15. Spring 1, 16. Connecting cylinder, 17. Piston, 18. Spring 2, 19. Connecting pipe, 20. Heat exchanger, 2001. Fixing part, 2002. Airflow part, 2003. Liquid flow part, 21. Dispersion assembly, 22. Limiting slide bar, 23. Dispersion plate, 24. Spring 3, 25. Dispersion groove, 26. Electric push rod, 27. Cover plate. Detailed Implementation

[0033] Example 1

[0034] Reference Figures 1-2A waste gas treatment device for a chemical workshop includes a container assembly and a ventilation assembly, and also includes auxiliary treatment components:

[0035] Reference Figure 2 The container assembly includes a box body 1 and a box cover 101. The box cover 101 is provided with an air outlet pipe 11. Multiple partitions 5 are provided inside the box body 1. The front and rear ends of the partitions 5 are sealed and fixed to the inner walls of the two ends of the box body 1, respectively. The box body 1 is formed by multiple partitions 5 to form processing chambers that are evenly distributed. The end of the box body 1 is connected to the top of the processing chamber with an inlet pipe 9 and the end of the box body 1 is connected to the bottom of the processing chamber with an outlet pipe 10.

[0036] Reference Figure 2 and Figure 8 The ventilation assembly is equipped with a ventilation pipe 2 that is horizontally rotatably positioned between the two sides of the housing 1. One end of the ventilation pipe 2 is connected to an exhaust pipe 3, and the end of the ventilation pipe 2 away from the exhaust pipe 3 is connected to a motor 4. A connecting pipe 6 is connected to the outer wall of the ventilation pipe 2 at a position corresponding to the processing chamber. A one-way valve 7 is connected to the end of the connecting pipe 6 away from the ventilation pipe 2, and an air outlet 8 is connected to the end of the one-way valve 7 away from the connecting pipe 6. The flow direction of the one-way valve 7 is from the connecting pipe 6 toward the air outlet 8.

[0037] Reference Figures 2-4 The auxiliary processing component is equipped with two fixing frames 12, which are respectively fixed to the top positions of the inner walls on both sides of the processing chamber. Each fixing frame 12 is equipped with a horizontal plate 1201 and a vertical plate 1202. A flow chamber 13 is set between the two fixing frames 12 at the position corresponding to the vertical plate 1202. A baffle 14 is slidably arranged between the inner walls on both sides of the flow chamber 13. The two ends of the baffle 14 are in slidable contact with the inner walls on both ends of the housing 1. A spring is connected between the top of the baffle 14 and the horizontal plate 1201 of the fixing frame 12. The end of the air outlet 8 is connected to the baffle. The bottom of the plate 14 slides in contact. In actual use, liquid is filled into each processing chamber through the liquid inlet pipe 9 to the top of the horizontal plate 1201 of the fixed frame 12, and the liquid filling does not exceed the partition 5. When the exhaust gas is introduced into the ventilation pipe 2 from the exhaust pipe 3, the exhaust gas is sent out to the processing chamber through the connecting pipe 6, the one-way valve 7 and the air outlet 8 to contact the liquid. Under normal conditions, the baffle 14 above the processing chamber hangs down naturally. There is a gap between the two sides of the baffle 14 and the fixed frame 12, so that the gas flows upward and is led out from the air outlet pipe 11 for subsequent processing.

[0038] Furthermore, the motor 4 drives the vent pipe 2 and the connecting pipe 6 to rotate. On the one hand, the rotation of the connecting pipe 6 and the vent head 8 disperses the liquid flow to avoid impurity concentration and ensures uniform liquid dispersion to maintain the treatment effect of continuous waste gas intake. On the other hand, when the rotating vent head 8 rotates to the top, it slides into contact with the bottom of the baffle 14. As the vent head 8 rotates, the baffle 14 moves upward between the two fixed frames 12, causing the two sides of the baffle 14 to overlap with the fixed frames 12 and block the gap. At this time, the flow chamber 13 cannot exhaust upward, causing the incoming waste gas to accumulate and surge at the top, and collide with the rising airflow to disperse the airflow and liquid flow. The gas is discharged after the vent head 8 moves away from the top and separates from the baffle 14. This ensures that during the long-term continuous intake of waste gas for treatment, the continuously entering waste gas and liquid have sufficient and effective contact and reaction. By increasing the vertical movement of the liquid flow, it effectively avoids the generation of impurities or uneven distribution of the reaction liquid, which would affect the actual treatment effect.

[0039] In this invention, reference is made to Figure 4 The baffle 14 is configured as an arc-shaped structure that arches downwards in the middle. The baffle 14 tilts upwards from the middle towards both ends. Both ends of the baffle 14 are fixed with sliding parts 1401 that slide in contact with the inner wall of the housing 1. The sliding parts 1401 are configured as an arc-shaped structure that arches upwards. In actual use, the arc-shaped structure in the middle area of ​​the baffle 14 ensures a gradual contact between the air outlet 8 and the bottom of the baffle 14, effectively reducing collision damage and improving the gradual vertical movement of the baffle 14. The gap width on the side of the baffle 14 gradually decreases from the middle to both ends, resulting in a difference in the air outlet velocity between the two ends. Thus, under normal conditions or when the baffle 14 is moving, the airflow and water flow will be in the horizontal direction between the two ends. The flow changes upwards to further improve the contact treatment effect between the actual waste gas and the reaction liquid. The reverse arching of the sliding parts 1401 at both ends of the baffle 14 can form a converging air chamber at the connection position. When the outlet head 8 reaches the converging air chamber, the airflow gathers and pushes the baffle 14 upwards, thereby further reducing collision damage. As the outlet head 8 moves away and approaches the middle area of ​​the baffle 14, the gathered airflow in the converging air chamber disperses and the baffle 14 descends. When the outlet head 8 contacts the baffle 14 again, the baffle 14 rises again, so that the baffle 14 produces a small vertical reciprocating motion, thereby improving the variability of the airflow and liquid flow, and further improving the contact treatment effect between the actual continuously flowing waste gas and the reaction liquid.

[0040] In this invention, reference is made to Figure 2A vertically placed electric push rod 26 is fixed at the top of the cover 101, corresponding to the position of the treatment chamber. A cover plate 27 is fixed at the bottom of the electric push rod 26. The outer walls of both ends of the cover plate 27 slide in contact with the inner wall of the box 1, and the outer walls of both sides of the cover plate 27 slide in contact with the inner walls of both sides of the treatment chamber. An air port is provided between two adjacent cover plates 27, and the air outlet pipe 11 is set at the position corresponding to the air port. Thus, the cover plate 27 can be lowered by the electric push rod 26 to seal the top of the treatment chamber, and then the reaction liquid is discharged for replacement. Thus, through the setting of multiple partitions 5 and cover plates 27, the reaction liquid is replaced during the continuous influx of waste gas for treatment, thereby ensuring the effectiveness of continuous treatment operation.

[0041] In this invention, reference is made to Figure 2 and Figure 5 , Figure 7 Two adjacent connecting pipes 6 are symmetrically arranged with vent pipes 2 and are on the same plane. Multiple fixing holes are provided on the partition plate 5. A horizontally placed connecting cylinder 16 is fixed to the inner wall of the fixing hole. Both ends of the connecting cylinder 16 are open. Pistons 17 are slidably connected to both ends of the inner wall of the connecting cylinder 16. A spring 18 is connected between the two pistons 17. In actual use, the symmetrical arrangement of the two adjacent connecting pipes 6 causes the baffles 14 at the positions of the two adjacent processing chambers to move upward alternately. When the baffle 14 corresponding to the processing chamber moves upward to block, the air pressure in the corresponding processing chamber increases, which squeezes the piston 17 in the connecting cylinder 16 on the side to the outside. After the baffle 14 returns to its original position, the piston 17 reacts and moves due to the increased air pressure on the adjacent side, so that the piston 17 in the connecting cylinder 16 moves back and forth in the horizontal direction. The two pistons 17 continuously squeeze and open to continuously change the distance, thereby further improving the horizontal movement and cross-movement effect of the liquid flow in the processing chamber between the two sides, and further improving the dispersion and contact treatment effect of the continuously flowing airflow.

[0042] In this invention, reference is made to Figures 5-6Multiple connecting cylinders 16 are horizontally distributed above and below the vent pipe 2 on the partition 5. The positions of the connecting cylinders 16 above and below the vent pipe 2 on the partition 5 correspond. Multiple vertically placed connecting pipes 19 are embedded in the partition 5. Both ends of the connecting pipes 19 are connected to the middle position of the connecting cylinders 16. The connecting pipes 19 are connected to the position between the two pistons 17 inside the connecting cylinders 16. In actual use, the end of the connecting pipe 19 extends into the connecting cylinder 16 and limits the piston 17, so that the piston 17 moves back and forth between the end of the connecting cylinder 16 and the connecting pipe 19. The connecting pipes 19 connect the upper and lower connecting cylinders 16. When the air outlet 8 rotates to the upper position, the air pressure above increases rapidly and is conducted to the lower connecting cylinder 16 through the connecting pipe 19. When the air outlet 8 in the adjacent position rotates to the lower position, the air pressure below increases, so that they impact and disperse the liquid flow. Thus, the difference in the rotation position of the adjacent processing chambers further increases the dispersion and contact effect of the liquid flow.

[0043] Example 2

[0044] Based on Example 1, referring to Figures 8-10 A waste gas treatment device for a chemical workshop includes heat exchange elements 20 arranged in a ring array on both sides of the outer wall of the vent pipe 2, located on the connecting pipe 6. The heat exchange elements 20 are configured as a liquid flow section 2003 outside the vent pipe 2, consisting of two liquid flow vanes. The radial distance between the liquid flow vanes gradually increases towards the connecting pipe 6. The two liquid flow vanes are arranged in an arc-shaped structure that arches away from the center. Therefore, in actual use, the heat exchange elements 20 allow some of the heat from the waste gas to be preheated. Near the vent pipe 2, the liquid between the vent pipe 2 and the outlet 8 is dispersed and flows; and through the arc shape and radial distance variation of the liquid flow plate, the liquid flow near the vent pipe 2 in the treatment chamber moves along the liquid flow plate towards the connecting pipe 6, while the liquid flow at the outlet 8, which is away from the vent pipe 2, moves to both sides due to the air outlet. Combined with the rotation operation, the liquid flow is impacted and dispersed, thereby further enhancing the dispersion and contact treatment effect between the waste gas and the reaction liquid when waste gas is continuously injected for a long time.

[0045] In this invention, reference is made to Figures 9-10The heat exchanger 20 is also provided with a fixing part 2001 and an airflow part 2002. The fixing part 2001 is fixed to the outer wall of the vent pipe 2. The liquid flow part 2003 is fixed to the fixing part 2001 at a position outside the vent pipe 2. The airflow part 2002 is fixed to the fixing part 2001 at a position inside the vent pipe 2. The airflow part 2002 is configured as a cylindrical structure. The axis of the airflow part 2002 is arranged parallel to the axis of the vent pipe 2. In this way, multiple sets of annularly distributed cylindrical airflow parts 2002 inside the vent pipe 2 are used to divert and buffer the airflow sent into the exhaust pipe 3, thereby avoiding direct and rapid exhaust and causing the gas to flow out quickly without timely contact and treatment, so as to further improve the actual continuous exhaust gas treatment effect.

[0046] Example 3

[0047] Based on Example 1 or Example 2, refer to Figure 11 A waste gas treatment device for a chemical workshop includes a dispersion component 21 at the bottom of the treatment chamber. The dispersion component 21 has multiple equidistant limiting slide rods 22 distributed horizontally between its two ends. The two ends of each limiting slide rod 22 are fixedly connected to the sides of the treatment chamber. Dispersion plates 23 are slidably connected to the outer walls of the limiting slide rods 22 on both sides of the connecting pipe 6. A spring 34 connects adjacent dispersion plates 23. A limiting block is fixed to the outer walls of the limiting slide rods 22 at a position away from the spring 34 on the dispersion plates 23. In actual use, the connecting pipe 6 and the outlet head 8 move between the dispersion plates 23 distributed on both sides of the bottom of the treatment chamber. The centrifugal liquid flow generated by the rotation of the outlet head 8 causes the dispersion plates 23 to move outwards. Furthermore, if the concentration difference after the reaction on both sides of the treatment chamber prevents timely dispersion, the airflow gushing out from the outlet head to the side differs, causing adjacent dispersion plates 23 to be pushed to the same side, thereby further increasing the dispersion flow effect of the liquid flow at the bottom of the treatment chamber and further enhancing the contact treatment effect of the continuously flowing waste gas.

[0048] In this invention, reference is made to Figure 12 The dispersing plate 23 is inclined upward in the direction away from the spring 3 24, and both ends of the dispersing plate 23 are rolled up away from the spring 3 24. Multiple horizontally arranged dispersing grooves 25 are opened on the top side of the dispersing plate 23 near the spring 3 24. By utilizing the arched structure of the dispersing plate 23 and the arrangement of the dispersing grooves 25, the dispersing plate 23 further improves the dispersing effect on the liquid flow during horizontal reciprocating motion.

[0049] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A waste gas treatment device for a chemical workshop, comprising a container assembly and a ventilation assembly, characterized in that, It also includes auxiliary processing components; The container assembly is provided with a box body (1) and a box cover (101). An air outlet pipe (11) is provided on the box cover (101). Multiple partitions (5) are provided inside the box body (1). The box body (1) is formed by multiple partitions (5) to form processing chambers that are evenly distributed. The ventilation assembly is provided with a ventilation pipe (2) that is horizontally rotatably disposed between the two sides of the box (1). One end of the ventilation pipe (2) is connected to a motor (4). A connecting pipe (6) is connected to the outer wall of the ventilation pipe (2) at the position corresponding to the processing chamber. A one-way valve (7) is connected to the end of the connecting pipe (6) away from the ventilation pipe (2). An air outlet (8) is connected to the end of the one-way valve (7) away from the connecting pipe (6). The auxiliary processing component is provided with two fixed frames (12), which are respectively fixed to the top positions of the inner walls on both sides of the processing chamber. A baffle (14) is slidably arranged between the two fixed frames (12). The two ends of the baffle (14) are in sliding contact with the inner walls of the two ends of the box (1). A spring is connected between the top of the baffle (14) and the fixed frame (12). The end of the air outlet (8) is in sliding contact with the bottom of the baffle (14). Two adjacent connecting pipes (6) are symmetrically arranged with vent pipe (2), and the two adjacent connecting pipes (6) are on the same plane. Multiple fixing holes are provided on the partition (5). A horizontally placed connecting cylinder (16) is fixed on the inner wall of the fixing hole. Both ends of the connecting cylinder (16) are open. Both ends of the inner wall of the connecting cylinder (16) are slidably connected with pistons (17). A spring (18) is connected between the two pistons (17). Multiple connecting cylinders (16) are horizontally distributed on the partition (5) above and below the vent pipe (2). Multiple vertically placed connecting pipes (19) are embedded in the partition (5). Both ends of the connecting pipes (19) are connected to the middle position of the connecting cylinder (16). The position between the connecting pipes (19) and the two pistons (17) inside the connecting cylinder (16) is connected.

2. The waste gas treatment device for a chemical workshop according to claim 1, characterized in that, The baffle (14) is configured as an arc-shaped structure that arches downward in the middle position. The baffle (14) is inclined upward from the middle position towards both ends. Both ends of the baffle (14) are fixed with sliding parts (1401). The sliding parts (1401) are configured as an arc-shaped structure that arches upward.

3. The waste gas treatment device for a chemical workshop according to claim 1, characterized in that, A vertically placed electric push rod (26) is fixed at the top of the box cover (101) at the position corresponding to the processing cavity. A cover plate (27) is fixed at the bottom of the electric push rod (26). The outer walls at both ends of the cover plate (27) slide in contact with the inner wall of the box body (1), and the outer walls on both sides of the cover plate (27) slide in contact with the inner walls on both sides of the processing cavity.

4. A waste gas treatment device for a chemical workshop according to any one of claims 1 to 3, characterized in that, The outer wall of the vent pipe (2) is provided with heat exchanger elements (20) arranged in a ring array on both sides of the connecting pipe (6). The heat exchanger elements (20) are arranged as liquid flow section (2003) outside the vent pipe (2). The liquid flow section (2003) is arranged as two liquid flow plates. The radial distance between the liquid flow plates gradually increases towards the connecting pipe (6). The two liquid flow plates are arranged as an arc-shaped structure that arches away from the middle position.

5. The waste gas treatment device for a chemical workshop according to claim 4, characterized in that, The heat exchanger (20) is also provided with a fixing part (2001) and an airflow part (2002). The fixing part (2001) is fixed to the outer wall of the vent pipe (2). The liquid flow part (2003) is fixed to the fixing part (2001) at a position outside the vent pipe (2). The airflow part (2002) is fixed to the fixing part (2001) at a position inside the vent pipe (2). The airflow part (2002) is configured as a cylindrical structure. The axis of the airflow part (2002) is parallel to the axis of the vent pipe (2).

6. A waste gas treatment device for a chemical workshop according to any one of claims 1 to 3, characterized in that, A dispersion component (21) is provided at the bottom of the processing chamber. The dispersion component (21) is provided with multiple limiting slide rods (22). The two ends of the limiting slide rods (22) are fixedly connected to the two sides of the processing chamber. The outer wall of the limiting slide rods (22) is slidably connected to the two sides of the connecting pipe (6). A spring (24) is connected between two adjacent dispersion plates (23).

7. The waste gas treatment device for a chemical workshop according to claim 6, characterized in that, The dispersing plate (23) is inclined upward in the direction away from the spring three (24), and both ends of the dispersing plate (23) are rolled up away from the spring three (24). The top side of the dispersing plate (23) near the spring three (24) has a plurality of horizontally arranged dispersing grooves (25).

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