Desulfurization device for treating waste gas in coal chemical industry

By using a drive motor to drive the transmission gears and a waterproof and breathable membrane filter, the problem of dead spots in the desulfurization agent spraying in the desulfurization unit is solved, realizing comprehensive desulfurization and environmental filtration of exhaust gas, and providing convenient maintenance conditions.

CN224024674UActive Publication Date: 2026-03-24CHENGDU SENLE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing desulfurization devices are prone to dead zones when spraying desulfurizing agents through spray pipes, resulting in incomplete desulfurization of flue gas and affecting the desulfurization effect.

Method used

The drive motor drives the transmission gear to rotate the connecting pipe, and the spray nozzle sprays the desulfurizing agent to spread to all parts of the desulfurization box. Combined with the waterproof and breathable membrane and filter cartridge, it ensures that the desulfurizing agent is in full contact with the exhaust gas and filters out moisture, thus avoiding pollution.

Benefits of technology

It achieves complete diffusion of the desulfurizing agent in the desulfurization box, ensuring full desulfurization of the exhaust gas, preventing water vapor discharge, reducing environmental pollution, and the filter cartridge is easy to disassemble and install, making maintenance convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a desulfurization device for waste gas treatment in coal chemical industry, which comprises a support table, support legs are fixedly connected to four corners of the bottom of the support table, a desulfurization box is fixedly connected to the top end face of the support table, and a filter box is fixedly connected to the top end face of the support table. The top end face of the desulfurization box is fixedly connected with a liquid passing pipe in a penetrating mode, one side of the desulfurization box is communicated with an air inlet pipe, the inner side of the desulfurization box is fixedly connected with a liquid collecting hopper, the bottom end face of the supporting table is fixedly connected with a collecting box, and the liquid collecting hopper is communicated with the collecting box. A connecting pipe rotates by utilizing transmission of a transmission gear, so that when a spraying head sprays a desulfurizing agent, the desulfurizing agent can be effectively diffused to each position in the desulfurizing box, the phenomenon of dead angles is avoided, the desulfurizing agent can be in full contact with waste gas to complete desulfurizing work, moisture in desulfurized gas is filtered out through a waterproof breathable film, and water vapor is prevented from being discharged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of coal chemical industry waste gas treatment's desulfurization device, belong to waste gas treatment technical field. BACKGROUND

[0002] Desulfurization, refers to the sulfur in fuel before combustion and the desulfurization process before flue gas emission. It is one of the important technical measures to prevent and control air pollution. At present, the desulfurization method generally has three kinds of before combustion, during combustion and after combustion. With the development of industry, SO2 in coal-fired flue gas has become the main cause of air pollution.

[0003] Some desulfurization devices are used, which is to use the spray pipe to continuously spray desulfurizer to contact with flue gas for desulfurization. However, dead angles are easy to occur during desulfurization, which leads to incomplete desulfurization of flue gas and poor desulfurization effect. Therefore, a desulfurization device for coal chemical industry waste gas treatment is needed to provide convenience for people. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of coal chemical industry waste gas treatment's desulfurization device, by the work of driving motor, the transmission of transmission gear makes the connecting pipe rotate, so that the spray head can effectively diffuse desulfurizer to each position inside the desulfurization tank, avoid the occurrence of dead angle phenomenon, can fully contact with waste gas to complete desulfurization work, and the gas after desulfurization is filtered by waterproof air-permeable membrane to avoid water vapor discharge, then discharged by two filter cartridges, to avoid environmental pollution, and the sealing plate on the filter cartridge is helically connected to the filter box, so that disassembly and assembly are very convenient, which provides convenience for maintenance work, to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of coal chemical industry waste gas treatment's desulfurization device, including support table, the bottom four corner positions of the support table are all fixedly connected with support leg, the top end surface of the support table is fixedly connected with desulfurization tank, the top end surface of the support table is fixedly connected with filter box, the top end surface of the desulfurization tank is fixedly connected with liquid passage pipe, one side of the desulfurization tank is communicated with inlet pipe, the inside of the desulfurization tank is fixedly connected with liquid collecting hopper, the bottom end surface of the support table is fixedly connected with collection tank, and the liquid collecting hopper is communicated with collection tank, one side of the collection tank is communicated with liquid discharge pipe with control valve, one end of the liquid passage pipe is rotatably connected with connecting pipe, the outside of the connecting pipe is communicated with spray head.

[0007] Further, the spray head is an atomizing spray head, and the number of spray heads is multiple and evenly distributed at equal intervals.

[0008] Furthermore, a drive motor is fixedly connected to the top surface of the desulfurization box, and transmission gears are fixedly connected to the main shaft of the drive motor and the outer side of one end of the connecting pipe.

[0009] Furthermore, the two transmission gears are sized and structured to match each other, and the transmission gears are meshed with each other.

[0010] Furthermore, an exhaust hood is fixedly connected to the inner side of the desulfurization box, a waterproof and breathable membrane is fixedly connected to one side of the exhaust hood, and a connecting pipe is connected to the exhaust end of the exhaust hood.

[0011] Furthermore, a fixing frame is fixedly connected to the inner side of the filter box, and a filter cylinder one is provided on the top of the fixing frame, and a filter cylinder two is provided on the top of the fixing frame. The other end of the connecting pipe is connected to the fixing frame.

[0012] Furthermore, a sealing plate is fixedly connected to one end of both filter cylinder one and filter cylinder two, and the sealing plate is spirally connected to the filter box. An exhaust pipe is connected to one side of the filter box.

[0013] The beneficial effects of this utility model are:

[0014] By incorporating a collection box, nozzles, a waterproof and breathable membrane, and filter cartridges, this invention, in use, utilizes a drive motor and transmission gears to rotate the connecting pipe. This allows the desulfurizing agent sprayed from the nozzles to effectively diffuse to all areas inside the desulfurization box, avoiding dead zones and ensuring full contact with the exhaust gas to complete the desulfurization process. The desulfurized gas is then filtered through the waterproof and breathable membrane to remove moisture, preventing water vapor from escaping. After further filtration by the two filter cartridges, it is discharged externally, preventing environmental pollution. The sealing plates on the filter cartridges are spirally connected to the filter box, making disassembly and assembly extremely convenient and facilitating maintenance. Attached Figure Description

[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the specific embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof.

[0016] Figure 1 This is a schematic diagram of the overall structure of a desulfurization device for treating coal chemical waste gas according to this utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the transmission gear of a desulfurization device for treating coal chemical waste gas according to this utility model.

[0018] Figure 3 This is a schematic diagram of the installation structure of a waterproof and breathable membrane for a desulfurization device for treating coal chemical waste gas according to this utility model.

[0019] Figure 4 This is a schematic diagram of the installation structure of the filter cylinder of a desulfurization device for treating coal chemical waste gas according to this utility model;

[0020] The following are labeled in the diagram: 1. Support platform; 2. Support leg; 3. Desulfurization box; 4. Filter box; 5. Liquid inlet pipe; 6. Air inlet pipe; 7. Liquid collection hopper; 8. Collection box; 9. Drain pipe; 10. Connecting pipe; 11. Nozzle; 12. Drive motor; 13. Transmission gear; 14. Exhaust hood; 15. Waterproof and breathable membrane; 16. Connecting pipe; 17. Fixing frame; 18. Filter cartridge one; 19. Filter cartridge two; 20. Sealing plate; 21. Exhaust pipe. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1, please refer to Figures 1-4 This utility model provides a technical solution:

[0023] A desulfurization device for treating coal chemical waste gas includes a support platform 1. Support legs 2 are fixedly connected to the four corners of the bottom of the support platform 1. A desulfurization box 3 is fixedly connected to the top surface of the support platform 1. A filter box 4 is fixedly connected to the top surface of the support platform 1. A liquid passage pipe 5 is fixedly connected through the top surface of the desulfurization box 3. An air inlet pipe 6 is connected to one side of the desulfurization box 3. A liquid collection hopper 7 is fixedly connected to the inner side of the desulfurization box 3. A collection box 8 is fixedly connected to the bottom surface of the support platform 1, and the liquid collection hopper 7 is connected to the collection box 8. A drain pipe 9 with a control valve is connected to one side of the collection box 8. A connecting pipe 10 is rotatably connected to one end of the liquid passage pipe 5. A nozzle 11 is connected to the outer side of the connecting pipe 10.

[0024] As a preferred technical solution of this utility model, the nozzle 11 is an atomizing nozzle, and there are multiple nozzles 11 distributed evenly at equal intervals; it can atomize the desulfurizing agent and effectively increase the contact area with the flue gas.

[0025] As a preferred technical solution of this utility model, a drive motor 12 is fixedly connected to the top surface of the desulfurization box 3. The main shaft of the drive motor 12 and the outer side of one end of the connecting pipe 10 are both fixedly connected to a transmission gear 13. The two transmission gears 13 are matched in size and structure, and the transmission gears 13 are meshed with each other. Under the operation of the drive motor 12, the connecting pipe 10 can rotate, so that when the nozzle 11 sprays, the desulfurizing agent can be quickly diffused to various positions inside the desulfurization box 3 to facilitate desulfurization.

[0026] As a preferred technical solution of this utility model, an exhaust hood 14 is fixedly connected to the inner side of the desulfurization box 3, and a waterproof and breathable membrane 15 is fixedly connected to one side of the exhaust hood 14. The exhaust end of the exhaust hood 14 is connected to a connecting pipe 16; this facilitates the filtration of moisture and prevents water vapor from being discharged.

[0027] Please refer to Example 2 Figure 2 The difference between this embodiment and Embodiment 1 is that:

[0028] As a preferred technical solution of this utility model, a fixing frame 17 is fixedly connected to the inner side of the filter box 4. A filter cylinder 18 is provided on the top of the fixing frame 17, and a filter cylinder 19 is provided on the top of the fixing frame 17. The other end of the connecting pipe 16 is connected to the fixing frame 17. A sealing plate 20 is fixedly connected to one end of both the filter cylinder 18 and the filter cylinder 19. The sealing plate 20 is spirally connected to the filter box 4. An exhaust pipe 21 is connected to one side of the filter box 4. The flue gas can be further filtered before being discharged.

[0029] Working principle of this utility model:

[0030] In use, flue gas is introduced into the desulfurization box 3 through the inlet pipe 6, and desulfurizing agent is introduced through the liquid inlet pipe 5. Simultaneously, the drive motor 12 works, and through the transmission gear 13, the connecting pipe 10 rotates. When the desulfurizing agent is atomized and sprayed out by the nozzle 11 on the connecting pipe 10, the desulfurizing agent can be quickly diffused, increasing the contact area with the flue gas. After desulfurization, the gas is filtered through the waterproof and breathable membrane 15 and then introduced into the filter box 4 through the exhaust hood 14 and the connecting pipe 16. After being filtered through the first filter cartridge 18 and the second filter cartridge 19, it is discharged. The sprayed desulfurizing agent can be collected by the liquid collection hopper 7 and discharged into the collection box 8 for collection, so as to facilitate subsequent treatment and use.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A desulfurization device for treating coal chemical waste gas, comprising a support platform (1), characterized in that: Support legs (2) are fixedly connected to the four corners of the bottom of the support platform (1). A desulfurization box (3) is fixedly connected to the top surface of the support platform (1). A filter box (4) is fixedly connected to the top surface of the support platform (1). A liquid pipe (5) is fixedly connected through the top surface of the desulfurization box (3). An air inlet pipe (6) is connected to one side of the desulfurization box (3). A liquid collection hopper (7) is fixedly connected to the inner side of the desulfurization box (3). A collection box (8) is fixedly connected to the bottom surface of the support platform (1), and the liquid collection hopper (7) is connected to the collection box (8). A drain pipe (9) with a control valve is connected to one side of the collection box (8). A connecting pipe (10) is rotatably connected to one end of the liquid pipe (5). A nozzle (11) is connected to the outer side of the connecting pipe (10).

2. The desulfurization device for treating coal chemical waste gas according to claim 1, characterized in that: The nozzle (11) is an atomizing nozzle, and there are multiple nozzles (11) that are evenly and equally spaced.

3. The desulfurization device for treating coal chemical waste gas according to claim 1, characterized in that: The top surface of the desulfurization box (3) is fixedly connected to a drive motor (12), and the main shaft of the drive motor (12) and the outer side of one end of the connecting pipe (10) are both fixedly connected to a transmission gear (13).

4. The desulfurization device for treating coal chemical waste gas according to claim 3, characterized in that: The two transmission gears (13) are matched in size and structure, and the transmission gears (13) are meshed with each other.

5. The desulfurization device for treating coal chemical waste gas according to claim 1, characterized in that: An exhaust hood (14) is fixedly connected to the inside of the desulfurization box (3), and a waterproof and breathable membrane (15) is fixedly connected to one side of the exhaust hood (14). The exhaust end of the exhaust hood (14) is connected to a connecting pipe (16).

6. The desulfurization device for treating coal chemical waste gas according to claim 5, characterized in that: The filter box (4) is fixedly connected to a fixing frame (17). The top of the fixing frame (17) is provided with a filter cylinder one (18) and a filter cylinder two (19). The other end of the connecting pipe (16) is connected to the fixing frame (17).

7. The desulfurization device for treating coal chemical waste gas according to claim 6, characterized in that: A sealing plate (20) is fixedly connected to one end of both filter cylinder one (18) and filter cylinder two (19). The sealing plate (20) is spirally connected to the filter box (4). An exhaust pipe (21) is connected to one side of the filter box (4).