Multistage deacidification device for tail gas generated after solid waste incineration

By designing a multi-stage acid removal device after incineration of solid waste, including a filtration mechanism, a treatment box and a centrifugal acid removal mechanism, the problem that existing devices cannot quickly replace solid acid removal and lack of efficient solid-liquid combination acid removal, achieving the effect of efficient acid removal.

CN222605914UActive Publication Date: 2025-03-14YICHANG QIDUOYUN ENVIRONMENTAL GOVERNANCE CO LTD
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Patent Information

Application Number
CN202421319350.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-14
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing multi-stage exhaust gas acid removal device cannot quickly replace solid acid removal products after incineration, and lacks an efficient solid-liquid bidirectional combination acid removal method, resulting in limited acid removal efficiency.

Method used

A multi-stage acid removal device for exhaust gas after solid waste incineration is designed, adopting a box structure, a built-in filter mechanism, a treatment box, a centrifugal acid removal mechanism, etc., and the calcium hydroxide mesh plate is replaced by manual operation and a servo motor drives the centrifuge cylinder for acid removal.

Benefits of technology

The rapid replacement of solid acid removal substances and efficient acid removal with solid-liquid combination are achieved, which improves the acid removal efficiency and solves the problem of limited acid removal efficiency in existing devices.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222605914U_ABST
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Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a multistage deacidification device for tail gas generated after solid waste incineration, which comprises a box body, a filtering mechanism is arranged at the center of the bottom of an inner cavity of the box body, and the filtering mechanism comprises a second partition plate and a first partition plate. The sides, close to the inner wall of the box body, of the second partition plate and the first partition plate are welded to the inner wall of the box body, a treatment box is arranged on the left side of an inner cavity of the box body, and a clamping mechanism is arranged at the top of the left side of the box body. Through cooperative use of the air inlet cylinder, the connecting baffle, the servo motor, the filtering mechanism, the flow guide cover and the through hole, in the using process, a connecting pulling plate is manually pulled to drive an inserting plate to move, so that the inserting plate is removed from an inner cavity of the fixing shell and is not limited any more, and the practicability is high. And then a user pulls the treatment box forwards to detach and separate the whole treatment box, and then the calcium hydroxide mesh plate in the treatment box is detached and replaced.
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Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a multi-stage acid removal device for tail gas after solid waste incineration. Background Art

[0002] In the process of treating the waste gas generated in the solid waste treatment process, it is often necessary to use a multi-stage acid removal device for the tail gas after solid waste incineration.

[0003] After searching, the announcement number is CN206631418U, and the name is a domestic waste incineration flue gas purification device. In the purification device box, the interior is divided into seven spaces by six vertical partitions. Through research and analysis, it is found that although there are advantages of multi-stage treatment of exhaust gas, there are still the following disadvantages to a certain extent.

[0004] During the use of the domestic waste incineration flue gas purification device, the solid deacidification contact materials cannot be quickly replaced, and high-efficiency liquid deacidification cannot be performed after multi-stage solid deacidification, which may affect the deacidification efficiency of the main body. In order to solve the above technical problems, we have designed a multi-stage deacidification device for tail gas after solid waste incineration. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-stage acid removal device for tail gas after solid waste incineration, which has the advantages of convenient replacement of solid acid removal materials and efficient acid removal by solid-liquid combination, solving the problems of inability to quickly replace solid acid removal materials and lack of solid-liquid two-way acid removal method.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage acid removal device for tail gas after solid waste incineration, comprising a box body, a filtering mechanism is arranged at the center of the bottom of the inner cavity of the box body, the filtering mechanism comprises a second partition and a first partition, the second partition and the first partition are welded to the inner wall of the box body on one side close to the inner wall of the box body, a treatment box is arranged on the left side of the inner cavity of the box body, a clamping mechanism is arranged on the top of the left side of the box body, the clamping mechanism comprises a connecting pull plate, a plug-in plate is welded to the right side of the connecting pull plate, a fixed shell is welded to the left side of the top of the treatment box, the right side of the plug-in plate passes through the box body and extends to the inner cavity of the fixed shell, a centrifugal acid removal mechanism is arranged on the right side of the inner cavity of the box body, the centrifugal acid removal mechanism comprises a centrifugal cylinder and a servo motor, the bottom of the servo motor is connected to the top of the box body by bolts, the output end of the servo motor passes through the inner cavity of the box body and is welded to a transmission rod, and the bottom of the transmission rod is welded to the bottom of the inner cavity of the centrifugal cylinder.

[0007] Preferably, the left side of the top of the box body is connected to an air inlet cylinder, the right side of the top of the box body is connected to a liquid inlet pipe, and a dust cover is provided on the surface threaded sleeve of the liquid inlet pipe.

[0008] Preferably, the front side of the processing box is connected with a sealing plate through a sealing bolt, an observation mirror is installed through the front side of the sealing plate, calcium hydroxide mesh plates are laterally arranged on both sides of the inner cavity of the processing box, and through holes are opened on the upper and lower sides of the processing box.

[0009] Preferably, a fixing rod is provided through both the front and rear sides of the left side of the connecting pull plate, a limiting block is welded on the left side of the fixing rod, the right side of the fixing rod is welded to the box body, and a buffer spring is provided on the right movable sleeve on the surface of the fixing rod.

[0010] Preferably, a placement plate is provided on the left side of the inner cavity of the box and on the left side of the second partition, and the surface of the processing box is slidably connected to the surface of the placement plate.

[0011] Preferably, guide frames are welded to the left side of the first partition and the right side of the second partition, a filter element is arranged between the opposite sides of the two guide frames, and the front side of the filter element penetrates to the outside of the box body and is welded to a connecting baffle.

[0012] Preferably, an air inlet pipe is provided through the top of the right side of the first partition, an exhaust pipe is provided through the top of the right side of the box body, and a flow guide cover is connected to the top of the centrifugal cylinder.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with an air inlet cylinder, a connecting baffle, a servo motor, a filtering mechanism, a processing box, a guide cover and a through hole. During use, the connecting pull plate can be manually pulled to drive the plug-in board to move so that it is removed from the inner cavity of the fixed shell without limiting the position. Then, the user can pull the processing box forward to disassemble and separate the entire processing box, and then disassemble and replace the calcium hydroxide mesh plate inside it.

[0015] 2. The utility model is provided with a sealing plate, a centrifugal cylinder, an air inlet pipe, a guide frame, a transmission rod, an exhaust pipe, a first partition, a connecting shell, a second partition and a filter element for coordinated use. During use, the impurities can be delivered to the right side of the second partition through the connecting shell, and then intercepted by the filter element, and in the sodium hydroxide solution delivered to the inner cavity of the centrifugal cylinder through the air inlet pipe, the user then starts the servo motor through the external controller, and the output end of the servo motor drives the centrifugal cylinder to rotate through the transmission rod, thereby accelerating the reaction rate therebetween by centrifugation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2It is a three-dimensional cross-sectional schematic diagram of the local structure of the utility model;

[0018] Figure 3 It is a three-dimensional top view schematic diagram of the local structure of the utility model.

[0019] In the figure: 1. box body; 2. air inlet cylinder; 3. connecting baffle; 4. servo motor; 5. filtering mechanism; 6. processing box; 7. deflector; 8. through hole; 9. sealing plate; 10. centrifugal cylinder; 11. air inlet pipe; 12. guide frame; 13. transmission rod; 14. exhaust pipe; 15. first partition; 16. connecting shell; 17. second partition; 18. filter element; 19. fixed shell; 20. plug-in board; 21. fixing rod; 22. connecting pull plate; 23. buffer spring; 24. clamping mechanism; 25. calcium hydroxide mesh plate; 26. centrifugal acid removal mechanism. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 3 A multi-stage acid removal device for tail gas after solid waste incineration, comprising a box body 1, a filtering mechanism 5 is arranged at the center of the bottom of the inner cavity of the box body 1, the filtering mechanism 5 comprises a second partition 17 and a first partition 15, the second partition 17 and the first partition 15 are welded to the inner wall of the box body 1 on one side close to the inner wall of the box body 1, a processing box 6 is arranged on the left side of the inner cavity of the box body 1, a clamping mechanism 24 is arranged on the top of the left side of the box body 1, the clamping mechanism 24 comprises a connecting pull plate 22, and a plug-in connector is welded on the right side of the connecting pull plate 22 Plate 20, a fixed shell 19 is welded to the left side of the top of the processing box 6, the right side of the plug-in plate 20 penetrates the box body 1 and extends to the inner cavity of the fixed shell 19, and a centrifugal acid removal mechanism 26 is arranged on the right side of the inner cavity of the box body 1. The centrifugal acid removal mechanism 26 includes a centrifugal cylinder 10 and a servo motor 4. The bottom of the servo motor 4 is connected to the top of the box body 1 by bolts, and the output end of the servo motor 4 penetrates to the inner cavity of the box body 1 and is welded with a transmission rod 13, and the bottom of the transmission rod 13 is welded to the bottom of the inner cavity of the centrifugal cylinder 10.

[0021] Lightly read Figure 2 The left side of the top of the box body 1 is connected to the air inlet cylinder 2, and the right side of the top of the box body 1 is connected to the liquid inlet pipe. The surface threaded sleeve of the liquid inlet pipe is provided with a dust cover. By setting the dust cover, external dust and impurities can be intercepted to prevent them from entering the inner cavity of the box body 1.

[0022] Lightly read Figure 2 The front side of the processing box 6 is connected with a sealing plate 9 through a sealing bolt, and an observation mirror is installed on the front side of the sealing plate 9. By setting the observation mirror, the inner cavity of the processing box 6 can be displayed so that the user can observe it. Calcium hydroxide mesh plates 25 are horizontally arranged on both sides of the inner cavity of the processing box 6, and through holes 8 are opened on the upper and lower sides of the processing box 6.

[0023] Lightly read Figure 2A fixing rod 21 is provided on both the front and rear sides of the left side of the connecting pull plate 22, a limiting block is welded on the left side of the fixing rod 21, and the right side of the fixing rod 21 is welded to the box body 1, and a buffer spring 23 is provided on the right side movable sleeve of the surface of the fixing rod 21.

[0024] Lightly read Figure 2 A placement plate is provided on the left side of the inner cavity of the box body 1 and on the left side of the second partition plate 17, and the surface of the processing box 6 is slidably connected to the surface of the placement plate.

[0025] Lightly read Figure 2 A guide frame 12 is welded to the left side of the first partition 15 and the right side of the second partition 17. By setting the guide frame 12, the filter element 18 can be balanced and supported, and can also be guided during its installation. A filter element 18 is arranged between the opposite sides of the two guide frames 12, and the front side of the filter element 18 passes through the outside of the box body 1 and is welded with a connecting baffle 3.

[0026] Lightly read Figure 2 An air inlet pipe 11 is provided through the top of the right side of the first partition plate 15, an exhaust pipe 14 is provided through the top of the right side of the box body 1, and a flow guide cover 7 is connected to the top of the centrifugal cylinder 10. By providing the flow guide cover 7, the sodium hydroxide solution used for deacidification can be guided, thereby achieving a better guiding effect.

[0027] During use, the user passes the exhaust gas that needs to be deacidified into the inner cavity of the box body 1 through the air intake pipe 2, undergoes multi-stage reaction treatment through multiple calcium hydroxide mesh plates 25, and then is sent to the right side of the second partition plate 17 through the connecting shell 16. Then, impurities are intercepted by the filter element 18 and sent to the sodium hydroxide solution in the inner cavity of the centrifugal cylinder 10 through the air intake pipe 11. Then, the user starts the servo motor 4 through the external controller, and the output end of the servo motor 4 drives the centrifugal cylinder 10 to rotate through the transmission rod 13, and accelerates the reaction rate therebetween by centrifugation. Finally, the excess gas is discharged to the outside through the exhaust pipe 14. When the calcium hydroxide mesh plate 25 needs to be replaced, the user can manually pull the connecting pull plate 22 to drive the plug-in plate 20 to move it, so that it is removed from the inner cavity of the fixed shell 19 and no longer limited. Then, the user pulls the processing box 6 forward to disassemble and separate the entire processing box 6, and then disassembles and replaces the calcium hydroxide mesh plate 25 inside it.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A multi-stage deacidification device for tail gas after solid waste incineration, comprising a housing (1), characterized in that: A filtering mechanism (5) is arranged at the center of the bottom of the inner cavity of the box body (1), and the filtering mechanism (5) comprises a second partition plate (17) and a first partition plate (15), and the second partition plate (17) and the first partition plate (15) are welded to the inner wall of the box body (1) on one side close to the inner wall of the box body (1). A processing box (6) is arranged on the left side of the inner cavity of the box body (1), and a clamping mechanism (24) is arranged on the top of the left side of the box body (1), and the clamping mechanism (24) comprises a connecting plate (22), and a plug-in plate (20) is welded to the right side of the connecting plate (22). The processing box (6) A fixed shell (19) is welded to the left side of the top, the right side of the plug board (20) penetrates the box body (1) and extends to the inner cavity of the fixed shell (19), a centrifugal acid removal mechanism (26) is arranged on the right side of the inner cavity of the box body (1), the centrifugal acid removal mechanism (26) comprises a centrifugal cylinder (10) and a servo motor (4), the bottom of the servo motor (4) is connected to the top of the box body (1) by bolts, the output end of the servo motor (4) penetrates the inner cavity of the box body (1) and is welded to a transmission rod (13), and the bottom of the transmission rod (13) is welded to the bottom of the inner cavity of the centrifugal cylinder (10).

2. The multi-stage acid removal device for tail gas after solid waste incineration according to claim 1 is characterized in that: The left side of the top of the box body (1) is connected to an air inlet cylinder (2), and the right side of the top of the box body (1) is connected to a liquid inlet pipe, and a dust cover is provided on the surface of the liquid inlet pipe through a threaded sleeve.

3. The multi-stage acid removal device for tail gas after solid waste incineration according to claim 1 is characterized in that: The front side of the treatment box (6) is connected to a sealing plate (9) via sealing bolts, an observation mirror is installed through the front side of the sealing plate (9), calcium hydroxide mesh plates (25) are transversely arranged on both sides of the inner cavity of the treatment box (6), and through holes (8) are opened on both upper and lower sides of the treatment box (6).

4. The multi-stage acid removal device for tail gas after solid waste incineration according to claim 1 is characterized in that: A fixing rod (21) is provided through both the front and rear sides of the left side of the connecting pull plate (22); a limiting block is welded to the left side of the fixing rod (21); the right side of the fixing rod (21) is welded to the box body (1); and a buffer spring (23) is provided on the right side movable sleeve of the surface of the fixing rod (21).

5. The multi-stage acid removal device for tail gas after solid waste incineration according to claim 1 is characterized in that: A placement plate is provided on the left side of the inner cavity of the box body (1) and on the left side of the second partition plate (17), and the surface of the processing box (6) is slidably connected to the surface of the placement plate.

6. The multi-stage acid removal device for tail gas after solid waste incineration according to claim 1 is characterized in that: A guide frame (12) is welded to the left side of the first partition plate (15) and the right side of the second partition plate (17); a filter element (18) is arranged between the two opposite sides of the guide frames (12); the front side of the filter element (18) penetrates to the outside of the box body (1) and is welded to a connecting baffle (3).

7. The multi-stage acid removal device for tail gas after solid waste incineration according to claim 1 is characterized in that: An air inlet pipe (11) is provided through the top of the right side of the first partition plate (15), an exhaust pipe (14) is provided through the top of the right side of the box body (1), and a flow guide cover (7) is connected to the top of the centrifugal cylinder (10).

Citation Information

Patent Citations

  • Domestic waste burns gas cleaning device

    CN206631418U