Sulfonamide production tail gas recovery treatment device

By designing a exhaust gas recovery and treatment device, the problem of ammonia and chlorine in sulfonamide production is solved, effective recycling and safe treatment of gases are achieved, and resource utilization and operator safety are ensured.

CN223196708UActive Publication Date: 2025-08-08HEBI RUIDA CHEM TECH CO LTD
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Patent Information

Application Number
CN202421961534.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-08-08
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

Ammonia and chlorine produced during sulfonamide production are not recycled, resulting in waste of resources and potential health risks.

Method used

A exhaust gas recovery and treatment device including a collection block, a double-cavity housing, a exhaust fan, a filter mechanism and a filter cotton plate are designed. The gas is transported to the double-cavity housing through the exhaust fan, and impurities are filtered by the filter cotton plate and then fused with water, collected into the collection tank and exported liquid, ensuring the recovery and safe treatment of gas.

Benefits of technology

The recycling of valuable gases is realized, the waste of resources and the impact on the health of operators is avoided, and the safety of the production process is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tail gas recovery treatment device for sulfenamide production, and relates to the technical field of sulfenamide production. The device comprises a collecting block, three collecting grooves are formed in the top face of the collecting block, a double-cavity shell is fixedly connected to the upper side of the left face of the collecting block, an exhaust fan is fixedly connected to the left side of the inner wall of the left side of the double-cavity shell, and a connecting pipe is fixedly connected to the lower portion of the right side of the inner wall of the right side of the double-cavity shell. And the right end of the connecting pipe penetrates through the inner wall of the collecting block and extends to the lower portion of the inner wall of the left collecting groove, L-shaped connecting pipes are fixedly connected to the upper portions of the left sides of the inner walls of the middle collecting groove and the right collecting groove correspondingly, and a filtering mechanism is arranged on the lower side of the inner wall of the right side of the double-cavity shell. According to the device disclosed by the utility model, the generated gas can be recycled, so that the problem that the generated gas with utilization value is wasted in vain is avoided, the influence of the gas on the body health of surrounding operators is avoided, and the safety in the sulfonamide production process is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of sulfenamide production, in particular to a sulfenamide production tail gas recovery and treatment device. Background Art

[0002] Sulfenamide is a compound that is easily soluble in alcohol, soluble in hot water, but insoluble in cold water, ether, and benzene. During the production process of sulfenamide, ammonia and chlorine are produced, which have certain practical value.

[0003] Traditional equipment does not have the function of recycling and reusing the gas produced during the processing of sulfonamide. This will cause the gas with utilization value to be wasted, and may even have an impact on the health of the surrounding operators, reducing the safety of the sulfonamide production process. In order to ensure the utilization effect of resources and the safety of the sulfonamide production process, a sulfonamide production tail gas recovery and treatment device is needed. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0005] A sulfonamide production tail gas recovery and treatment device includes a collecting block, wherein three collecting troughs are provided on the top surface of the collecting block, a double-cavity shell is fixedly connected to the upper side of the left side of the collecting block, an exhaust fan is fixedly connected to the left side of the left inner wall of the double-cavity shell, a connecting pipe is fixedly connected to the lower right side of the right inner wall of the double-cavity shell, the right end of the connecting pipe passes through the inner wall of the collecting block and extends to the lower part of the inner wall of the left collecting trough, an L-shaped connecting pipe is fixedly connected to the upper left side of the inner wall of the middle collecting trough and the right collecting trough, and a filtering mechanism is provided on the lower side of the right inner wall of the double-cavity shell.

[0006] Furthermore, the filtering mechanism includes a filter frame clamped on the lower side of the right inner wall of the double-chamber shell, the top surface of the filter frame passes through the upper side of the right inner wall of the double-chamber shell and extends to the top surface of the double-chamber shell, the inner wall of the filter frame is fixedly connected with a filter cotton plate, the top surface of the filter frame is fixedly connected with a first replacement plate, an air outlet is opened above the right side of the inner wall of the collection tank on the right side, the upper sides of the three inner walls of the collection tanks are clamped with tank covers, the top surfaces of the three tank covers are fixedly connected with vertical pipes, the upper sides of the three vertical pipe rod walls are provided with a first valve body, and a centralizing mechanism is provided inside the collection block at the lower side of the three collection tanks.

[0007] Furthermore, the centralizing mechanism includes a collection chamber opened on the lower side of the collection block, the lower sides of the inner walls of the three collection troughs are provided with drop openings, the inner walls of the three drop openings are provided with solenoid valves, and an outlet pipe is fixedly connected to the right side of the inner wall of the collection chamber, and a second valve body is provided on the right side of the outlet pipe wall.

[0008] Furthermore, sealing rings are fixedly connected to the lower sides of the inner walls of the three slot covers.

[0009] Furthermore, a triangular support block is fixedly connected to the bottom surface of the double-cavity shell, and the right side of the triangular support block is fixedly connected to the left side of the collecting block.

[0010] Furthermore, rubber pads are fixedly connected to the left and right sides of the bottom surface of the collecting block.

[0011] Furthermore, a water-absorbing cotton board is clamped on the lower side of the inner wall of the air outlet, and the top surface of the water-absorbing cotton board passes through the upper side of the inner wall of the air outlet and extends to the top surface of the collection block. The top surface of the water-absorbing cotton board is fixedly connected to a second replacement plate, and the bottom surface of the second replacement plate and the top surface of the collection block are clamped with each other.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model can transport gas to the right inner wall of the double-chamber shell through the exhaust fan, filter impurities through the filter cotton plate, and then introduce it into the collection tank. Through the water added in advance, the gas is merged with the water to dissolve the available gas in the gas. The L-shaped connecting pipe can ensure the mutual connectivity of the three collection tanks, and the three collection tanks can be used to fully collect the gas in the gas. The collected liquid falls into the collection chamber and is uniformly discharged, which is convenient for later extraction. Through the above structure, it is guaranteed that the device can recycle and process the generated gas, avoid the problem of wasting valuable gas, avoid the impact of gas on the health of surrounding operators, and ensure the safety of the sulfonamide production process.

[0014] 2. The utility model can ensure the circulation of gas in the collection tank by setting the sealing ring, and will not cause gas leakage problems, thereby ensuring the safety of the device during use. The use of triangular support blocks can ensure the firmness of the double-cavity shell during use.

[0015] 3. The utility model utilizes the setting of rubber pads to ensure the stability of the device during use and prevents slippage. The setting of absorbent cotton plates can adsorb and filter moist gas to ensure the quality of the device's drying treatment of the gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall front cross-sectional view of the utility model;

[0017] Figure 2 This utility model Figure 1 Enlarged view of part A in the middle;

[0018] Figure 3 This utility model Figure 1Enlarged view of middle part B;

[0019] Figure 4 It is an overall three-dimensional diagram of the utility model;

[0020] Figure 5 This utility model Figure 4 Enlarged view of middle C part;

[0021] Figure numerals: 1. collecting block; 2. collecting tank; 3. double-chamber shell; 4. exhaust fan; 5. connecting pipe; 6. L-shaped connecting pipe; 7. filter frame; 8. filter cotton plate; 9. first replacement plate; 10. air outlet; 11. tank cover; 12. vertical pipe; 13. first valve body; 14. collecting chamber; 15. drop outlet; 16. solenoid valve; 17. outlet pipe; 18. second valve body; 19. sealing ring; 20. triangular support block; 21. rubber pad; 22. absorbent cotton plate; 23. second replacement plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0023] The "front, back, left, and right" viewing angles of this device are Figure 1 The directions in the attached drawings are for reference only.

[0024] like Figure 1-5As shown, a sulfonamide production tail gas recovery and treatment device includes a collecting block 1, three collecting tanks 2 are opened on the top surface of the collecting block 1, a double-chamber shell 3 is fixedly connected to the upper side of the left side of the collecting block 1, an exhaust fan 4 is fixedly connected to the left side of the left inner wall of the double-chamber shell 3, a connecting pipe 5 is fixedly connected to the lower right side of the right inner wall of the double-chamber shell 3, the right end of the connecting pipe 5 passes through the inner wall of the collecting block 1 and extends to the lower part of the inner wall of the left collecting tank 2, the middle collecting tank 2 and the upper left side of the inner wall of the right collecting tank 2 are fixedly connected with an L-shaped connecting pipe 6, and a filtering mechanism is provided on the lower side of the right inner wall of the double-chamber shell 3, and the filtering mechanism includes a card The filter frame 7 is connected to the lower side of the right inner wall of the double-chamber shell 3, and the top surface of the filter frame 7 passes through the upper side of the right inner wall of the double-chamber shell 3 and extends to the top surface of the double-chamber shell 3. The inner wall of the filter frame 7 is fixedly connected with a filter cotton plate 8, and the top surface of the filter frame 7 is fixedly connected with a first replacement plate 9. An air outlet 10 is provided above the right side of the inner wall of the right collection tank 2. The upper sides of the inner walls of the three collection tanks 2 are all snapped with slot covers 11, and the slot covers 11 and the first replacement plate 9 are all connected by bolts. This can ensure stability and sealing effect during use. The device highlights the innovative structure and does not repeat too much about the existing technology. The three slot covers 11 The top surfaces are all fixedly connected with vertical pipes 12, and the upper sides of the rod walls of the three vertical pipes 12 are all provided with first valve bodies 13. A centralizing mechanism is provided inside the collecting block 1 at the lower side of the three collecting tanks 2. The centralizing mechanism includes a collecting chamber 14 opened at the lower side of the collecting block 1. The gas can be transported to the right inner wall of the double-chamber shell 3 through the exhaust fan 4, and the impurities are filtered through the filter cotton plate 8. Then, the gas is introduced into the collecting tank 2, and the water added in advance is fused with the water to dissolve the available gas in the gas. The L-shaped connecting pipe 6 can ensure the mutual communication effect of the three collecting tanks 2, and the three collecting tanks 2 can be used to collect the gas in the gas. The gas is fully collected, and the collected liquid falls into the collection chamber 14 and is uniformly discharged to facilitate subsequent extraction. Through the above structure, it is ensured that the device can recycle and process the generated gas, avoid the problem of wasting valuable gas, avoid the impact of gas on the health of surrounding operators, and ensure the safety of the sulfonamide production process. The lower side of the inner wall of the three collection tanks 2 is provided with a drop port 15, and the inner wall of the three drop ports 15 is provided with an electromagnetic valve 16. The right side of the inner wall of the collection chamber 14 is fixedly connected to a derivation pipe 17, and the right side of the wall of the derivation pipe 17 is provided with a second valve body 18.

[0025] like Figure 1-3As shown, in some embodiments, the lower sides of the inner walls of the three slot covers 11 are fixedly connected with sealing rings 19. Through the provision of the sealing rings 19, the circulation of gas in the collecting tank 2 can be guaranteed, and the problem of gas leakage will not occur, thereby ensuring the safety of the device during use. The bottom surface of the double-chamber shell 3 is fixedly connected with a triangular support block 20, and the right side of the triangular support block 20 is fixedly connected to the left side of the collecting block 1. The use of the triangular support block 20 can ensure the firmness of the double-chamber shell 3 during use.

[0026] like Figure 2-4 As shown, in some embodiments, rubber pads 21 are fixedly connected to the left and right sides of the bottom surface of the collecting block 1. The setting of the rubber pads 21 can ensure the stability of the device during use and will not cause slippage. The lower side of the inner wall of the air outlet 10 is clamped with a water-absorbing cotton board 22. The setting of the water-absorbing cotton board 22 can adsorb and filter humid gas to ensure the quality of the device's drying treatment of the gas. The top surface of the water-absorbing cotton board 22 passes through the upper side of the inner wall of the air outlet 10 and extends to the top surface of the collecting block 1. The top surface of the water-absorbing cotton board 22 is fixedly connected to a second replacement plate 23. The bottom surface of the second replacement plate 23 is clamped with the top surface of the collecting block 1.

[0027] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sulfenamide production tail gas recovery and treatment device, comprising a collecting block (1), characterized in that: The top surface of the collecting block (1) is provided with three collecting troughs (2), the upper side of the left side of the collecting block (1) is fixedly connected to a double-chamber shell (3), the left side of the left inner wall of the double-chamber shell (3) is fixedly connected to an exhaust fan (4), the lower right side of the right inner wall of the double-chamber shell (3) is fixedly connected to a connecting pipe (5), the right end of the connecting pipe (5) passes through the inner wall of the collecting block (1) and extends to the lower side of the inner wall of the left collecting trough (2), the upper left side of the inner wall of the middle collecting trough (2) and the right collecting trough (2) are both fixedly connected to an L-shaped connecting pipe (6), and the lower side of the right inner wall of the double-chamber shell (3) is provided with a filtering mechanism.

2. A sulfenamide production tail gas recovery and treatment device according to claim 1, characterized in that: The filtering mechanism comprises a filter frame (7) clamped on the lower side of the right inner wall of the double-chamber shell (3); the top surface of the filter frame (7) passes through the upper side of the right inner wall of the double-chamber shell (3) and extends to the top surface of the double-chamber shell (3); the inner wall of the filter frame (7) is fixedly connected with a filter cotton plate (8); the top surface of the filter frame (7) is fixedly connected with a first replacement plate (9); an air outlet (10) is provided above the right side of the inner wall of the right collection tank (2); the upper sides of the inner walls of the three collection tanks (2) are clamped with tank covers (11); the top surfaces of the three tank covers (11) are fixedly connected with vertical pipes (12); the upper sides of the rod walls of the three vertical pipes (12) are provided with first valve bodies (13); and a centralizing mechanism is provided inside the collection block (1) at the lower sides of the three collection tanks (2).

3. A sulfenamide production tail gas recovery and treatment device according to claim 2, characterized in that: The centralizing mechanism comprises a collecting chamber (14) opened on the lower side of the inner wall of the collecting block (1), a drop opening (15) is opened on the lower side of the inner wall of the three collecting tanks (2), and the inner walls of the three drop openings (15) are each provided with a solenoid valve (16), and a guide pipe (17) is fixedly connected to the right side of the inner wall of the collecting chamber (14), and a second valve body (18) is provided on the right side of the pipe wall of the guide pipe (17).

4. A sulfenamide production tail gas recovery and treatment device according to claim 2, characterized in that: The lower sides of the inner walls of the three slot covers (11) are all fixedly connected with sealing rings (19).

5. The sulfenamide production tail gas recovery and treatment device according to claim 1, characterized in that: A triangular support block (20) is fixedly connected to the bottom surface of the double-chamber housing (3), and the right side of the triangular support block (20) is fixedly connected to the left side of the collecting block (1).

6. The sulfenamide production tail gas recovery and treatment device according to claim 1, characterized in that: The left and right sides of the bottom surface of the collecting block (1) are both fixedly connected with rubber pads (21).

7. The sulfenamide production tail gas recovery and treatment device according to claim 2, characterized in that: The lower side of the inner wall of the air outlet (10) is clamped with a water-absorbing cotton plate (22), the top surface of the water-absorbing cotton plate (22) passes through the upper side of the inner wall of the air outlet (10) and extends to the top surface of the collection block (1), the top surface of the water-absorbing cotton plate (22) is fixedly connected to a second replacement plate (23), and the bottom surface of the second replacement plate (23) and the top surface of the collection block (1) are clamped with each other.