Tail gas treatment device for carbon black production

Abstract

The utility model belongs to the technical field of tail gas treatment devices, and particularly relates to a tail gas treatment device for carbon black production, which comprises a treatment box, a hollow pipe is mounted at the top of the treatment box through a sealing bearing, a liquid collecting box is fixedly connected to the bottom of the hollow pipe, and a one-way valve nozzle is arranged at the bottom of the liquid collecting box. The middle section of a pipe body of the hollow pipe is fixedly connected with a driven gear. According to the utility model, the liquid collecting box which is conducted through the motor and the gear is arranged, and the one-way valve nozzle is arranged at the bottom of the liquid collecting box, so that tail gas entering the treatment box can be treated in a spraying manner, then the rotating shaft with the stirring rod is arranged at the edge of the lower end of the liquid collecting box, and the planetary gear is arranged on the rotating shaft; the rotating shaft rotates along with the liquid collecting box, and meanwhile, rotation of the rotating shaft is achieved through cooperation of the planetary gear and the gear ring, so that tail gas and spraying liquid can be better mixed, and the tail gas treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment devices, in particular to a tail gas treatment device used for carbon black production. Background Art

[0002] Carbon black tail gas is waste gas generated during the production of carbon black, and contains certain combustible gases and sulfur oxides, which need to be treated before being discharged. The utility model patent with announcement number CN216136996U discloses a carbon black tail gas boiler waste gas treatment system and circulation system, including an absorption tank, wherein an air inlet is provided in the middle of the absorption tank body, and the air inlet is connected to the carbon black tail gas boiler waste gas outlet; an exhaust gas outlet is provided at the top of the absorption tank, and the exhaust gas outlet is used to discharge exhaust gas; an acid outlet is provided at the bottom of the absorption tank, and the acid outlet is used to discharge dilute sulfuric acid; a spray layer and an aeration pipeline are arranged from top to bottom inside the absorption tank; the spray layer is located above the air inlet, and the aeration pipeline is located below the air inlet.

[0003] The existing tail gas treatment device for black production mostly adopts the spraying method when in use, but the mixing efficiency between tail gas and spray liquid is not high, which affects the effect of tail gas treatment, and the spray liquid after use will produce particulate matter and debris due to the reaction with tail gas, which is easy to block the pipeline. Therefore, improvement is needed. Utility Model Content

[0004] The utility model aims to provide an exhaust gas treatment device for carbon black production, which solves the problem that the existing exhaust gas treatment devices for carbon black production mostly adopt a spraying method when in use, but the mixing efficiency between the exhaust gas and the spraying liquid is not high, which affects the effect of exhaust gas treatment. At the same time, it solves the problem that the spraying liquid after use will produce particulate matter and debris due to the reaction with the exhaust gas, which is easy to clog the pipeline.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust gas treatment device for carbon black production, comprising a treatment box, a hollow tube is installed on the top of the treatment box through a sealed bearing, a liquid collecting box is fixedly connected to the bottom of the hollow tube, a one-way valve nozzle is provided at the bottom of the liquid collecting box, a driven gear is fixedly connected to the middle section of the tube body of the hollow tube, an electric motor is fixedly installed on the inner top of the treatment box, a driving gear is fixedly connected to the end of the output shaft of the electric motor, and a meshing transmission connection is formed between the driving gear and the driven gear, a shaft tail fixing seat is fixedly connected to the bottom of the liquid collecting box, a rotating shaft is installed on the inner side of the shaft tail fixing seat through a bearing, a stirring rod is fixedly connected to the outer side of the shaft body of the rotating shaft, a planetary gear is fixedly connected to the upper section of the shaft body of the rotating shaft, a gear ring is fixedly connected to the inner wall of the treatment box, and a meshing transmission connection is formed between the gear ring and the planetary gear.

[0006] Preferably, a liquid delivery pipe is installed on the top of the hollow tube through a sealed bearing, a fixing rod is fixedly connected to the top of the treatment box, and the fixing rod is fixedly connected to the liquid delivery pipe. The arrangement of the liquid delivery pipe facilitates the delivery of spray liquid to the rotating liquid collection box.

[0007] Preferably, an air intake pipe is fixedly connected to the lower left side of the treatment box, an exhaust pipe is fixedly connected to the middle right side of the treatment box, and a sewage pipe is fixedly connected to the bottom of the treatment box. The arrangement of the air intake pipe and the exhaust pipe facilitates the intake and exhaust of the inside of the treatment box.

[0008] Preferably, a filter screen is slidably connected to the inner side of the treatment box, a center block is fixedly connected to the middle of the filter screen, a convex ball is fixedly connected to the upper end of the filter screen, and a special-shaped rod is fixedly connected to the lower section of the shaft of the rotating shaft. The center block and the filter screen can be subjected to downward extrusion force through the mutual extrusion and cooperation between the convex ball and the special-shaped rod.

[0009] Preferably, the lower end of the central block is fixedly connected with a slide rod, the outer side of the slide rod body is slidably sleeved with a sleeve, and the sleeve is fixedly connected to the inner bottom of the processing box, and a spring is arranged inside the sleeve, one end of the spring is fixedly connected to the slide rod, and the other end of the spring is fixedly connected to the inner surface of the sleeve. The arrangement of the sleeve, the slide rod and the spring provides an elastic support for the central block and the filter screen.

[0010] Preferably, a corrugated sleeve is fixedly connected between the sleeve and the central block, and the corrugated sleeve is made of rubber material. The arrangement of the corrugated sleeve has a protective effect on the spring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model sets a liquid collecting box which is transmitted through an electric motor and gears, and a one-way valve nozzle is set at the bottom of the liquid collecting box, so that the exhaust gas entering the treatment box can be sprayed, and then a rotating shaft with a stirring rod is installed at the lower edge of the liquid collecting box, and a planetary gear is set on the rotating shaft. In this way, the rotating shaft rotates with the liquid collecting box, and the planetary gear cooperates with the gear ring to realize the self-rotation of the rotating shaft, so that the exhaust gas and the spray liquid can be better mixed, thereby improving the efficiency of exhaust gas treatment.

[0013] 2. The utility model sets a center block elastically supported by a sleeve, a sliding rod and a spring at the inner bottom of the processing box, and then sets a filter screen on the outer side of the center block, through which the used spray liquid can be filtered, and a special-shaped rod is set on one of the rotating shafts, and a convex ball is set on the filter screen. When the special-shaped rod collides with the convex ball, the filter screen will vibrate, thereby preventing the filter screen from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A front cross-sectional view of

[0016] Figure 3 For the utility model Figure 2 A three-dimensional diagram of the filter structure;

[0017] Figure 4 For the utility model Figure 2 Bottom view of the collecting tank.

[0018] In the figure: 1. treatment box; 2. hollow pipe; 3. liquid collecting box; 4. one-way valve nozzle; 5. driven gear; 6. motor; 7. driving gear; 8. liquid delivery pipe; 9. fixing rod; 10. shaft tail fixing seat; 11. rotating shaft; 12. stirring rod; 13. planetary gear; 14. gear ring; 15. special-shaped rod; 16. filter screen; 17. convex ball; 18. center block; 19. sleeve; 20. sliding rod; 21. spring; 22. corrugated sleeve; 23. sewage pipe; 24. intake pipe; 25. exhaust pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4A tail gas treatment device for carbon black production includes a treatment box 1, a hollow tube 2 is installed on the top of the treatment box 1 through a sealed bearing, a liquid collecting box 3 is fixedly connected to the bottom of the hollow tube 2, a one-way valve nozzle 4 is provided at the bottom of the liquid collecting box 3, a driven gear 5 is fixedly connected to the middle section of the tube body of the hollow tube 2, an electric motor 6 is fixedly installed on the inner top of the treatment box 1, a driving gear 7 is fixedly connected to the end of the output shaft of the electric motor 6, and a meshing transmission connection is formed between the driving gear 7 and the driven gear 5, a liquid delivery pipe 8 is installed on the top of the hollow tube 2 through a sealed bearing, a fixing rod 9 is fixedly connected to the top of the treatment box 1, and the fixing rod 9 is fixedly connected to the liquid delivery pipe 8. By setting the liquid delivery pipe 8, it is convenient to transport the spray liquid to the rotating liquid collecting box 3. The bottom of the liquid collecting box 3 is fixedly connected with the shaft tail fixing seat 10, and the inner side of the shaft tail fixing seat 10 is installed with a rotating shaft 11 through a bearing. The outer side of the shaft body of the rotating shaft 11 is fixedly connected with a stirring rod 12, the upper section of the shaft body of the rotating shaft 11 is fixedly connected with a planetary gear 13, and the inner wall of the processing box 1 is fixedly connected with a gear ring 14, and a meshing transmission connection is formed between the gear ring 14 and the planetary gear 13.

[0021] See also Figure 1-2 The lower left part of the processing box 1 is fixedly connected with an air inlet pipe 24, the middle right part of the processing box 1 is fixedly connected with an exhaust pipe 25, and the bottom of the processing box 1 is fixedly connected with a sewage pipe 23. The setting of the air inlet pipe 24 and the exhaust pipe 25 facilitates the air intake and exhaust inside the processing box 1. The inner side of the processing box 1 is slidably connected with a filter screen 16, the middle part of the filter screen 16 is fixedly connected with a center block 18, the upper end of the filter screen 16 is fixedly connected with a convex ball 17, and the lower section of the shaft body of the rotating shaft 11 is fixedly connected with a special-shaped rod 15. Through the mutual extrusion and cooperation between the convex ball 17 and the special-shaped rod 15, the center block 18 and the filter screen 16 can be subjected to downward extrusion force.

[0022] See also Figure 2 The lower end of the center block 18 is fixedly connected with a slide bar 20, and a sleeve 19 is slidably sleeved on the outer side of the rod body of the slide bar 20, and the sleeve 19 is fixedly connected to the inner bottom of the processing box 1. A spring 21 is arranged on the inner side of the sleeve 19, and one end of the spring 21 is fixedly connected to the slide bar 20, and the other end of the spring 21 is fixedly connected to the inner surface of the sleeve 19. The arrangement of the sleeve 19, the slide bar 20 and the spring 21 provides elastic support for the center block 18 and the filter screen 16. A corrugated sleeve 22 is fixedly connected between the sleeve 19 and the center block 18, and the corrugated sleeve 22 is made of rubber. The arrangement of the corrugated sleeve 22 provides a protective effect for the spring 21.

[0023] The specific implementation process of the utility model is as follows: when in use, first connect the liquid delivery pipe 8 to the pressurized spray liquid, and the spray liquid can then be delivered to the liquid collection box 3 through the liquid delivery pipe 8, and finally sprayed out by the one-way valve nozzle 4, and then the tail gas generated by the carbon black production can enter the treatment box 1 through the air intake pipe 24, and then be treated in combination with the spray liquid. At the same time, the motor 6 drives the driving gear 7 to rotate, the driving gear 7 drives the driven gear 5 to rotate, and the driven gear 5 drives the hollow tube 2 and the liquid collection box 3 to rotate synchronously, so that the spray liquid rotates and sprays out, and at the same time the liquid collection box 3 will The rotating shaft 11 and the stirring rod 12 on the rotating shaft 11 are driven to revolve, thereby accelerating the mixing efficiency of the spray liquid and the exhaust gas. At the same time, when the rotating shaft 11 rotates, the planetary gear 13 on its shaft body cooperates with the gear ring 14 to realize the self-rotation of the rotating shaft 11, thereby further accelerating the mixing efficiency of the spray liquid and the exhaust gas. The used spray liquid can be filtered through the filter 16 for use. Moreover, when the rotating shaft 11 rotates, the special-shaped rod 15 on the rotating shaft 11 cooperates with the convex ball 17 on the filter 16, which can make the filter 16 vibrate, thereby preventing the filter 16 from being blocked.

[0024] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tail gas treatment device for carbon black production, comprising a treatment box (1), characterized in that: A hollow tube (2) is installed on the top of the processing box (1) via a sealing bearing, the bottom of the hollow tube (2) is fixedly connected to a liquid collecting box (3), the bottom of the liquid collecting box (3) is provided with a one-way valve nozzle (4), the middle section of the hollow tube (2) is fixedly connected to a driven gear (5), an electric motor (6) is fixedly installed on the top of the inner side of the processing box (1), the end of the output shaft of the electric motor (6) is fixedly connected to a driving gear (7), and the driving gear (7) and the driven gear (5) are fixedly connected. A meshing transmission connection is formed between the two sides of the processing box (1), the bottom of the liquid collecting box (3) is fixedly connected to a shaft tail fixing seat (10), the inner side of the shaft tail fixing seat (10) is equipped with a rotating shaft (11) through a bearing, the outer side of the shaft body of the rotating shaft (11) is fixedly connected to a stirring rod (12), the upper section of the shaft body of the rotating shaft (11) is fixedly connected to a planetary gear (13), and the inner wall of the processing box (1) is fixedly connected to a gear ring (14), and a meshing transmission connection is formed between the gear ring (14) and the planetary gear (13).

2. The tail gas treatment device for carbon black production according to claim 1, characterized in that: A liquid delivery pipe (8) is installed on the top of the hollow tube (2) via a sealed bearing, and a fixing rod (9) is fixedly connected to the top of the processing box (1), and the fixing rod (9) is fixedly connected to the liquid delivery pipe (8).

3. The tail gas treatment device for carbon black production according to claim 1, characterized in that: An air intake pipe (24) is fixedly connected to the lower left side of the processing box (1), an exhaust pipe (25) is fixedly connected to the middle right side of the processing box (1), and a sewage discharge pipe (23) is fixedly connected to the bottom of the processing box (1).

4. The tail gas treatment device for carbon black production according to claim 1, characterized in that: A filter screen (16) is slidably connected to the inner side of the processing box (1), a center block (18) is fixedly connected to the middle of the filter screen (16), a convex ball (17) is fixedly connected to the upper end of the filter screen (16), and a special-shaped rod (15) is fixedly connected to the lower section of the shaft body of the rotating shaft (11).

5. The tail gas treatment device for carbon black production according to claim 4, characterized in that: The lower end of the center block (18) is fixedly connected to a slide rod (20), the outer side of the rod body of the slide rod (20) is slidably sleeved with a sleeve (19), and the sleeve (19) is fixedly connected to the inner bottom of the processing box (1), and a spring (21) is arranged on the inner side of the sleeve (19), one end of the spring (21) is fixedly connected to the slide rod (20), and the other end of the spring (21) is fixedly connected to the inner surface of the sleeve (19).

6. The tail gas treatment device for carbon black production according to claim 5, characterized in that: A corrugated sleeve (22) is fixedly connected between the sleeve (19) and the central block (18), and the corrugated sleeve (22) is made of rubber.

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