Two-stage hydrodesulfurization device

By designing a two-stage hydrodesulfurization device, using diversion strips and rotary strips to collect coal tar and filters to clean up dust, the problem of coal tar and dust residue in existing devices is solved, and the reaction efficiency of waste gas is improved.

CN223134410UActive Publication Date: 2025-07-22YIWU JIANGNA NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202421981950.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-07-22
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

During the waste gas processing of existing equipment, coal tar and dust residues affect the reaction efficiency, resulting in poor use.

Method used

A two-stage hydrodesulfurization device is designed, including a reaction box, a conveying pipe, a desulfurization box, a diversion strip, a collection ring, a rotating strip, a filter box and a filter net. The coal tar is collected through the diversion strip and a rotating strip, and the filter net cleans up dust and improves the reaction efficiency.

Benefits of technology

Effectively clean up coal tar and dust, improving the reaction efficiency and use effect of waste coal gas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of raw coke oven gas processing, in particular to a two-stage hydrodesulfurization device which comprises a reaction box, a conveying pipe and a desulfurization box, a flow guide strip is fixedly connected in the desulfurization box, a collecting ring is fixedly connected in the desulfurization box, a rotating strip is movably connected above the collecting ring, and the rotating strip is fixedly connected with the conveying pipe. The outer side of the rotating strip is movably connected with a connecting groove, the outer side of the desulfurization box is fixedly connected with a filtering box, the interior of the filtering box is movably connected with a filtering net, and coal tar on the outer side of the box wall of the desulfurization box flows to a storage box through a flow guide strip in the reaction process, so that the coal tar is collected; in the reaction process, coal tar on the outer side of a reaction net flows to a storage box through a rotating strip, the coal tar on the outer side of the reaction net is collected and cleaned, dust on the outer side of a filter net is cleaned by starting a connecting hydraulic barrel, and dust in a filter box is cleaned by pulling a pull ring and loosening a connecting door.
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Description

Technical Field

[0001] The utility model relates to the technical field of raw coke oven gas processing, in particular to a two-stage hydrodesulfurization device. Background Technique

[0002] Most of the inorganic sulfur and a very small part of the organic sulfur contained in the raw coke oven gas can be removed during the wet desulfurization in the coking plant, while most of the organic sulfur can only be removed by dry method, resulting in a long fine desulfurization process, high load and great difficulty. The four methods for dry removal of organic sulfur are absorption method, pyrolysis method, hydrolysis method and hydroconversion method. At present, hydrolysis method and hydroconversion method are mainly used at home and abroad.

[0003] However, the existing devices have the following problems:

[0004] The existing devices mainly transport the raw coke oven gas to the reaction net for reaction, so that the coal tar remaining in the raw coke oven gas during the reaction is wiped in the desulfurization box, affecting the use effect of the reaction box.

[0005] At the same time, some devices cannot clean the dust in the raw coke oven gas during the desulfurization process, so that the dust inside the raw coke oven gas cannot fully react with hydrogen during the desulfurization reaction, affecting the reaction efficiency of the raw coke oven gas.

[0006] Therefore, in order to solve the above problems, a two-stage hydrodesulfurization device is proposed. Summary of the Invention

[0007] The purpose of the utility model is to provide a two-stage hydrodesulfurization device to solve the problems of raw coke oven gas processing in the prior art mentioned in the above background technique.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a two-stage hydrodesulfurization device, including a reaction box, a conveying pipe and a desulfurization box. A conveying pipe is arranged below the reaction box, a desulfurization box is arranged on the left side of the conveying pipe. A guiding strip is fixedly connected inside the desulfurization box, a collecting ring is fixedly connected inside the desulfurization box, a rotating strip is movably connected above the collecting ring, a connecting groove is movably connected to the outside of the rotating strip, a filtering box is fixedly connected to the outside of the desulfurization box, a filter screen is movably connected inside the filtering box, a connecting hydraulic cylinder is fixedly connected below the filtering box, and a connecting door is fixedly connected below the filtering box.

[0009] Preferably, a connecting blade is fixedly connected inside the reaction box, and a support leg is fixedly connected below the reaction box.

[0010] Preferably, a diverting nozzle is fixedly connected above the conveying pipe, and a connecting nozzle is fixedly connected above the conveying pipe.

[0011] Preferably, a connecting ring is fixedly connected inside the desulfurization box. A connecting ball is movably connected inside the connecting ring. A reaction mesh is movably connected below the connecting ball. A connecting motor is fixedly connected below the reaction mesh.

[0012] Preferably, a collecting ring is fixedly connected below the guiding strip. A flow pipe is fixedly connected below the collecting ring. A storage tank is fixedly connected below the flow pipe. A discharge port is fixedly connected below the storage tank.

[0013] Preferably, a reaction mesh is fixedly connected inside the rotating strip. A rotating shaft is movably connected to the outside of the rotating strip. A connecting groove is movably connected to the outside of the rotating shaft. A connecting pipe is fixedly connected below the connecting groove.

[0014] Preferably, a connecting port is fixedly connected to the outside of the filter box. A movable shaft is movably connected inside the filter box. A filter screen is fixedly connected below the movable shaft. A connecting strip is movably connected below the filter screen. A connecting hydraulic cylinder is movably connected to the outside of the connecting strip. A connecting spring is movably connected inside the connecting door. A pulling ring is movably connected to the outside of the connecting spring.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: During the reaction process, the coal tar on the outer side of the desulfurization box wall flows through the guiding strip to the collecting ring, then through the collecting ring to the flow pipe, and then through the flow pipe to the storage tank to collect the coal tar on the outer side of the desulfurization box wall. During the reaction process, the coal tar on the outer side of the reaction mesh is guided by the rotating strip, flows through the rotating strip to the connecting groove, then through the connecting groove to the connecting pipe, then through the connecting pipe to the collecting ring, then through the collecting ring to the flow pipe, and then through the flow pipe to the storage tank to collect the coal tar on the outer side of the reaction mesh, thereby cleaning the coal tar. By starting the connecting hydraulic cylinder, the connecting hydraulic cylinder drives the connecting strip, and the connecting strip drives the filter screen to clean the dust on the outer side of the filter screen. By pulling the pulling ring, the connecting door is loosened to clean the dust inside the filter box.

[0016] In the present utility model, a collecting ring is fixedly connected below the guiding strip, a flow pipe is fixedly connected below the collecting ring, a storage tank is fixedly connected below the flow pipe, a discharge port is fixedly connected below the storage tank, a reaction mesh is fixedly connected inside the rotating strip, a rotating shaft is movably connected to the outside of the rotating strip, a connecting groove is movably connected to the outside of the rotating shaft, and a connecting pipe is fixedly connected below the connecting groove, which can clean the residual coal tar during the reaction of raw coal gas and reduce the use effect of the reaction box.

[0017] The outer side of the filter box of the present utility model is fixedly connected with a connection port. An activity shaft is movably connected inside the filter box. A filter net is fixedly connected below the activity shaft. A connection strip is movably connected below the filter net. A connection hydraulic barrel is movably connected to the outer side of the connection strip. A connection spring is movably connected inside the connection door. A pulling ring is movably connected to the outer side of the connection spring, which can clean the dust in the raw coal gas during the desulfurization process and improve the reaction efficiency of the raw coal gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front sectional view of the structure of the present utility model;

[0019] Figure 2 It is a top sectional view of the connection ring of the structure of the present utility model;

[0020] Figure 3 It is a front view of the reaction net of the structure of the present utility model;

[0021] Figure 4 It is a sectional view of the connection groove of the structure of the present utility model;

[0022] Figure 5 It is a front view of structure A of the present utility model.

[0023] In the figure: 1, reaction tank; 101, connection blade; 102, support leg; 2, delivery pipe; 201, diverging nozzle; 202, connection nozzle; 3, desulfurization tank; 301, reaction net; 302, connection ring; 303, connection ball; 304, connection motor; 4, guide strip; 401, collection ring; 402, flow pipe; 403, storage tank; 404, discharge port; 5, rotating strip; 501, connection groove; 502, rotating shaft; 503, connection pipe; 6, filter box; 601, connection port; 602, activity shaft; 603, filter net; 604, connection strip; 605, connection hydraulic barrel; 606, connection door; 607, pulling ring; 608, connection spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-5 , an embodiment provided by the present utility model:

[0026] A two-stage hydrodesulfurization device, comprising a reaction tank 1, a delivery pipe 2 and a desulfurization tank 3. A delivery pipe 2 is arranged below the reaction tank 1, and a desulfurization tank 3 is arranged on the left side of the delivery pipe 2. A guiding strip 4 is fixedly connected inside the desulfurization tank 3, and a collecting ring 401 is fixedly connected inside the desulfurization tank 3. A rotating strip 5 is movably connected above the collecting ring 401, and a connecting groove 501 is movably connected to the outside of the rotating strip 5. A filtering tank 6 is fixedly connected to the outside of the desulfurization tank 3. A filter screen 603 is movably connected inside the filtering tank 6. A connecting hydraulic cylinder 605 is fixedly connected below the filtering tank 6, and a connecting door 606 is fixedly connected below the filtering tank 6.

[0027] Further, a collecting ring 401 is fixedly connected below the guiding strip 4, a flow pipe 402 is fixedly connected below the collecting ring 401, a storage tank 403 is fixedly connected below the flow pipe 402, and a discharge port 404 is fixedly connected below the storage tank 403. Through the guiding of the guiding strip 4, the coal tar on the wall of the desulfurization tank 3 can be collected.

[0028] Further, a reaction net 301 is fixedly connected inside the rotating strip 5, a rotating shaft 502 is movably connected to the outside of the rotating strip 5, a connecting groove 501 is movably connected to the outside of the rotating shaft 502, and a connecting pipe 503 is fixedly connected below the connecting groove 501. Through the guiding of the rotating strip 5, the coal tar outside the reaction net 301 can be collected.

[0029] Further, a connection port 601 is fixedly connected to the outside of the filtering tank 6, a movable shaft 602 is movably connected inside the filtering tank 6, a filter screen 603 is fixedly connected below the movable shaft 602, a connecting strip 604 is movably connected below the filter screen 603, a connecting hydraulic cylinder 605 is movably connected to the outside of the connecting strip 604, a connecting spring 608 is movably connected inside the connecting door 606, and a pulling ring 607 is movably connected to the outside of the connecting spring 608. Through the filtering of the filter screen 603, the dust in the raw coal gas can be cleaned.

[0030] Working principle: During the use of this device, first connect the raw coke oven gas to the connection port 601. The raw coke oven gas passes through the filter screen 603 to filter the dust inside the raw coke oven gas. By starting the connecting hydraulic cylinder 605, the connecting hydraulic cylinder 605 drives the connecting bar 604 to move left and right, and the connecting bar 604 drives the filter screen 603 to move left and right to clean the dust outside the filter screen 603. By pulling the pulling ring 607, the connecting door 606 is loosened to clean the dust in the filter box 6. The filtered raw coke oven gas is injected into the desulfurization box 3. By starting the connecting motor 304, the connecting motor 304 drives the reaction mesh 301 to rotate, and the raw coke oven gas reacts with the reactants inside the reaction mesh 301. During the reaction, the coal tar on the outer side of the wall of the desulfurization box 3 flows through the guide strip 4 to the collection ring 401, flows through the collection ring 401 to the flow pipe 402, and flows through the flow pipe 402 to the storage tank 403 to collect the coal tar on the outer side of the wall of the desulfurization box 3. During the reaction, the coal tar outside the reaction mesh 301 is guided by the rotating strip 5, flows through the rotating strip 5 to the connecting groove 501, flows through the connecting groove 501 to the connecting pipe 503, flows through the connecting pipe 503 to the collection ring 401, flows through the collection ring 401 to the flow pipe 402, and flows through the flow pipe 402 to the storage tank 403 to collect the coal tar outside the reaction mesh 301. After cleaning the coal tar, the raw coke oven gas is transported to the reaction box 1 through the delivery pipe 2, hydrogen is injected into the reaction box 1 for reaction, and the raw coke oven gas is desulfurized.

[0031] The above are only the preferred embodiments of the present utility model and do not impose any form of limitation on the present utility model. Any person skilled in the art of this industry can smoothly implement the present utility model according to the illustrations in the specification and the above description. However, any minor changes, modifications, and equivalent variations made by those skilled in this professional field within the scope of the technical solution of the present utility model by using the technical content disclosed above are all equivalent embodiments of the present utility model. At the same time, any equivalent changes, modifications, and variations made to the above embodiments based on the essential technology of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A two-stage hydrodesulfurization unit, comprising: A reaction chamber (1), a delivery pipe (2) and a desulfurization chamber (3), wherein the delivery pipe (2) is arranged below the reaction chamber (1), and the desulfurization chamber (3) is arranged on the left side of the delivery pipe (2). It is characterized in that: a guiding strip (4) is fixedly connected inside the desulfurization chamber (3), a collecting ring (401) is fixedly connected inside the desulfurization chamber (3), a rotating strip (5) is movably connected above the collecting ring (401), a connecting groove (501) is movably connected to the outside of the rotating strip (5), a filtering chamber (6) is fixedly connected to the outside of the desulfurization chamber (3), a filter screen (603) is movably connected inside the filtering chamber (6), a connecting hydraulic cylinder (605) is fixedly connected below the filtering chamber (6), and a connecting door (606) is fixedly connected below the filtering chamber (6).

2. The two-stage hydrodesulfurization device according to claim 1, wherein: A connecting blade (101) is fixedly connected inside the reaction chamber (1), and a support leg (102) is fixedly connected below the reaction chamber (1).

3. The two-stage hydrodesulfurization device according to claim 1, characterized in that: A diverting nozzle (201) is fixedly connected above the delivery pipe (2), and a connecting nozzle (202) is fixedly connected above the delivery pipe (2).

4. A two-stage hydrodesulfurization device according to claim 1, characterized in that: A connecting ring (302) is fixedly connected inside the desulfurization chamber (3), a connecting ball (303) is movably connected inside the connecting ring (302), a reaction mesh (301) is movably connected below the connecting ball (303), and a connecting motor (304) is fixedly connected below the reaction mesh (301).

5. A two-stage hydrodesulfurization device according to claim 1, characterized in that: A collecting ring (401) is fixedly connected below the guiding strip (4), a flow pipe (402) is fixedly connected below the collecting ring (401), a storage tank (403) is fixedly connected below the flow pipe (402), and a discharge port (404) is fixedly connected below the storage tank (403).

6. The two-stage hydrodesulfurization device according to claim 1, characterized in that: A reaction mesh (301) is fixedly connected inside the rotating strip (5), a rotating shaft (502) is movably connected to the outside of the rotating strip (5), the rotating shaft (502) is movably connected to the outside of the connecting groove (501), and a connecting pipe (503) is fixedly connected below the connecting groove (501).

7. A two-stage hydrodesulfurization device according to claim 1, characterized in that: A connection port (601) is fixedly connected to the outside of the filtering chamber (6), a movable shaft (602) is movably connected inside the filtering chamber (6), a filter screen (603) is fixedly connected below the movable shaft (602), a connecting strip (604) is movably connected below the filter screen (603), the connecting strip (604) is movably connected to the outside of the connecting hydraulic cylinder (605), a connecting spring (608) is movably connected inside the connecting door (606), and a pulling ring (607) is movably connected to the outside of the connecting spring (608).