Multi-layer purification spray tower for waste gas treatment

Abstract

The utility model discloses a multi-layer purification spray tower for waste gas treatment, which comprises a multi-layer purification spray tower main body, a fixed layer plate is arranged in the multi-layer purification spray tower main body, a filler storage rack is arranged above the fixed layer plate, sealing plates are arranged on two sides of the top end of the filler storage rack, and the top end of the filler storage rack is connected with the fixed layer plate. A filler is arranged in the filler storage rack, a spray head is arranged above the filler, a water tank is arranged at the lower part of the interior of the multi-layer purification spray tower main body, and a precipitation tank is arranged at the bottom of the interior of the water tank. The section of the filler storage rack is of the V-shaped structure, the filler is filled in the V-shaped structure, the structure can store the filler in a centralized mode, the occupied area of the bottom of the filler storage rack is reduced, accordingly, the space needing material changing is reduced, material changing is easier, the upward exhaust path of waste gas is changed, and the waste gas recycling efficiency is improved. The waste gas is discharged upwards in two paths, so that the waste gas treatment rate is increased.

Description

Technical Field

[0001] The utility model relates to the field of waste gas treatment, in particular to a multi-layer purification spray tower for waste gas treatment. Background Technique

[0002] Waste gas treatment, also known as waste gas purification, refers to the pre-treatment of waste gas generated in industrial sites and factory workshops before external discharge to meet the national standards for external discharge of waste gas. Generally, waste gas treatment includes organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, odor waste gas treatment, air sterilization and disinfection purification, etc. It can effectively remove organic waste gases such as benzene, toluene, xylene, ethyl acetate, acetone, butanone, ethanol, acrylic acid, formaldehyde, etc. generated in factory workshops, and acid-base waste gas treatment such as hydrogen sulfide, sulfur dioxide, ammonia, etc.

[0003] In the prior art, there are still certain drawbacks in the use of multi-layer purification spray towers for waste gas treatment. The packing needs to be replaced regularly. Due to the large space inside the tower, the packing is generally laid flat inside, resulting in inconvenient replacement of the packing. Moreover, the dust in the waste gas easily blocks the inside of the packing. If such a blockage occurs, the packing needs to be replaced, reducing the service life of the packing. Content of the Utility Model

[0004] The purpose of the utility model is to provide a multi-layer purification spray tower for waste gas treatment to solve the problems put forward in the above background technique that the packing needs to be replaced regularly. Due to the large space inside the tower, the packing is generally laid flat inside, resulting in inconvenient replacement of the packing. Moreover, the dust in the waste gas easily blocks the inside of the packing. If such a blockage occurs, the packing needs to be replaced, reducing the service life of the packing.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A multi-layer purification spray tower for waste gas treatment, including a multi-layer purification spray tower main body. A fixed layer board is arranged inside the multi-layer purification spray tower main body. A packing storage rack is arranged above the fixed layer board. Sealing plates are arranged on both sides of the top of the packing storage rack. Packing is arranged inside the packing storage rack. A spray head is arranged above the packing. A water tank is arranged below the inside of the multi-layer purification spray tower main body. A sedimentation tank is arranged at the bottom of the water tank. A sewage discharge port is arranged at the front end of the sedimentation tank. A circulation water tank is arranged on one side of the multi-layer purification spray tower main body. A common base is arranged at the bottom of the multi-layer purification spray tower main body. An anti-flushing and cleaning pipe and a waste gas inlet are respectively arranged at the upper and lower positions on the other side of the multi-layer purification spray tower main body. A clean gas outlet is arranged at the top of the multi-layer purification spray tower main body. Observation windows and maintenance and refueling ports are respectively arranged at the front and rear ends of the multi-layer purification spray tower main body.

[0006] In a further embodiment, the spray head is connected to the circulation water tank through a water delivery pipe. The lower end of the water delivery pipe is connected to the water outlet of the water pump, and the water inlet at the lower end of the water pump is connected to the circulation water tank through a fixed pipe.

[0007] In a further embodiment, a water passing port is provided between the water tank and the circulation water tank. A grid plate is provided between the water tank and the sedimentation tank, and the grid plate is connected to the sedimentation tank through inlay connection.

[0008] In a further embodiment, the filler storage rack is connected to the fixed layer board by welding. Reinforcing rods are provided inside the fixed layer board, and the fixed layer board is provided in two layers in total.

[0009] In a further embodiment, filter plates are provided on both sides inside the filler storage rack. Both sides of the filler storage rack are connected to the fixed layer board through support rods, and the cross section of the filler storage rack is set as a V-shaped structure.

[0010] In a further embodiment, a sealing cover is provided inside the maintenance and refueling port, and the sealing cover is fixedly connected to the maintenance and refueling port through bolts.

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

[0012] In this utility model, the cross section of the filler storage rack is set as a V-shaped structure, so that the filler is filled inside in a V-shaped structure. This structure can not only centrally store the filler, reduce the occupied area at the bottom, thereby reducing the space required for refueling and making refueling easier, but also change the upward discharge path of the waste gas, enabling the waste gas to be discharged upward along two paths, increasing the waste gas treatment rate, and making the bottom surface of the filler storage rack in an inclined surface structure. Dust can slide down along the angle of the inclined surface, preventing the dust in the flue gas from clogging the surface and extending the service life.

[0013] In this utility model, backwashing and dirt cleaning pipes are provided on both sides of the filler storage rack. The backwashing and dirt cleaning pipes can play a role in unclogging the filler storage rack, facilitating the discharge of the cleaning liquid inside, and performing high-pressure flushing on the bottom surface of the filler storage rack to unclog the inside. The structural principle is simple and it is easier to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the internal structure of a multi-layer purification spray tower for waste gas treatment of the present utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the fixed layer board of the present utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the filler storage rack of the present utility model;

[0017] Figure 4 Front view of a multi-layer purification spray tower for waste gas treatment of the present utility model;

[0018] Figure 5 Rear view of a multi-layer purification spray tower for waste gas treatment of the present utility model;

[0019] Figure 6 Top view of the filler storage rack of the present utility model.

[0020] In the figure: 1. Multi-layer purification spray tower main body; 2. Clean gas outlet; 3. Spray head; 4. Filler; 5. Water delivery pipe; 6. Filler storage rack; 7. Backwashing and cleaning pipe; 8. Fixed layer board; 9. Water pump; 10. Circulation water tank; 11. Fixed pipe; 12. Water passing port; 13. Waste gas inlet; 14. Water tank; 15. Grid plate; 16. Sedimentation tank; 17. Common base; 18. Reinforcement rod; 19. Support rod; 20. Filter plate; 21. Observation window; 22. Drain port; 23. Sealing cover; 24. Maintenance and refueling port; 25. Sealing plate. Specific implementation manners

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying 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 of the embodiments.

[0022] Please refer to Figure 1-6, an embodiment provided by the present utility model: a multi-layer purification spray tower for waste gas treatment, including a multi-layer purification spray tower main body 1. Inside the multi-layer purification spray tower main body 1, there is a fixed layer plate 8. Above the fixed layer plate 8, there is a filler storage rack 6. On both sides of the top of the filler storage rack 6, there are sealing plates 25. Inside the filler storage rack 6, there is a filler 4. Above the filler 4, there is a spray head 3. Below the inside of the multi-layer purification spray tower main body 1, there is a water tank 14. At the bottom of the water tank 14, there is a sedimentation tank 16. At the front end of the sedimentation tank 16, there is a sewage outlet 22. On one side of the multi-layer purification spray tower main body 1, there is a circulating water tank 10. At the bottom of the multi-layer purification spray tower main body 1, there is a common base 17. At the upper and lower positions on the other side of the multi-layer purification spray tower main body 1, there are an anti-flush cleaning pipe 7 and a waste gas inlet 13 respectively. At the top of the multi-layer purification spray tower main body 1, there is a clean gas outlet 2. At the front and rear ends of the multi-layer purification spray tower main body 1, there are an observation window 21 and a maintenance and refilling opening 24 respectively. Inside the maintenance and refilling opening 24, there is a sealing cover 23, and the sealing cover 23 is fixedly connected to the maintenance and refilling opening 24 by bolts. The sealing cover 23 is used to seal the maintenance and refilling opening 24; the fixed layer plate 8 is used to separate the internal purification layers, the filler storage rack 6 is used to store the filler 4, the filler 4 is used to purify the harmful substances in the waste gas, the spray head 3 is used to evenly spray the purification liquid, the water tank 14 is used to recycle and store the sprayed liquid, the sedimentation tank 16 is used to sediment and store the slag in the liquid, the circulating water tank 10 is used to circulate and transport the purification liquid, the anti-flush cleaning pipe 7 is used to spray the cleaning liquid under high pressure to clean the bottom surface of the filler storage rack 6, the observation window 21 is used to observe the inside, and the maintenance and refilling opening 24 is used to perform maintenance inside or replace the filler 4.

[0023] The spray head 3 is connected to the circulating water tank 10 through a water delivery pipe 5. The lower end of the water delivery pipe 5 is connected to the water outlet of a water pump 9, and the lower end water inlet of the water pump 9 is connected to the circulating water tank 10 through a fixed pipe 11. The water delivery pipe 5 is used to sequentially transport the liquid in the circulating water tank 10 into the spray head 3.

[0024] There is a water connection port 12 between the water tank 14 and the circulating water tank 10. There is a grid plate 15 between the water tank 14 and the sedimentation tank 16, and the grid plate 15 is connected to the sedimentation tank 16 by inlay. Through the water connection port 12, the inside of the water tank 14 and the circulating water tank 10 can communicate with each other, facilitating the recycling and utilization of waste liquid.

[0025] The filler storage rack 6 is connected to the fixed shelf 8 by welding. The inside of the fixed shelf 8 is provided with a reinforcing rod 18, and the fixed shelf 8 is provided in two layers in total. The welding connection is used to increase the firmness of the installation of the filler storage rack 6 and the fixed shelf 8. Filter plates 20 are provided on both sides inside the filler storage rack 6. Both sides of the filler storage rack 6 are connected to the fixed shelf 8 by support rods 19, and the cross section of the filler storage rack 6 is set as a V-shaped structure. The filter plates 20 are used to filter solid particles in the waste gas, reduce the clogging probability of the filler 4, and extend the service life.

[0026] Working principle: When in use, the waste gas enters the multi-layer purification spray tower body 1 from the waste gas inlet 13 and is discharged upward. The harmful substances in the waste gas are adsorbed and purified by the filler 4. The waste gas treatment liquid is sequentially conveyed from the water delivery pipe 5 to the spray heads 3 by the water pump 9. The waste gas treatment liquid is evenly sprayed by the spray heads 3 to carry out a chemical reaction with the waste gas. The purified gas is discharged through the purified gas outlet 2. If internal cleaning is required, the backwashing and sewage cleaning pipe 7 is connected to the water pipe, and the cleaning liquid is sprayed at high pressure inside to clean and dredge the bottom surface of the filler storage rack 6.

[0027] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A multi-layer purification spray tower for waste gas treatment, comprising a multi-layer purification spray tower body (1), characterized in that: The multi-layer purification spray tower body (1) is provided with a fixed layer plate (8) inside, a filler storage rack (6) is provided above the fixed layer plate (8), sealing plates (25) are provided on both sides of the top of the filler storage rack (6), filler (4) is provided inside the filler storage rack (6), a spray head (3) is provided above the filler (4), a water tank (14) is provided at the bottom inside the multi-layer purification spray tower body (1), a sedimentation tank (16) is provided at the bottom of the water tank (14), and a front portion of the sedimentation tank (16) is provided. A sewage outlet (22) is provided at the end of the multi-layer purification spray tower body (1), a circulating water tank (10) is provided on one side of the multi-layer purification spray tower body (1), a common base (17) is provided at the bottom of the multi-layer purification spray tower body (1), a backwashing and cleaning pipe (7) and an exhaust gas inlet (13) are provided at upper and lower positions on the other side of the multi-layer purification spray tower body (1), a clean gas outlet (2) is provided at the top of the multi-layer purification spray tower body (1), and an observation window (21) and a maintenance and refueling port (24) are provided at the front and rear ends of the multi-layer purification spray tower body (1).

2. A multi-layer purification spray tower for waste gas treatment according to claim 1, characterized in that: The spray head (3) is connected to the circulating water tank (10) via a water delivery pipe (5), the lower end of the water delivery pipe (5) is connected to the water outlet of a water pump (9), and the water inlet at the lower end of the water pump (9) is connected to the circulating water tank (10) via a fixed pipe (11).

3. The multi-layer purification spray tower for waste gas treatment according to claim 1, characterized in that: A water inlet (12) is provided between the water tank (14) and the circulating water tank (10), a grid plate (15) is provided between the water tank (14) and the sedimentation tank (16), and the grid plate (15) and the sedimentation tank (16) are connected by inlaying.

4. The multi-layer purification spray tower for waste gas treatment according to claim 1, characterized in that: The filling material storage rack (6) is connected to the fixed layer plate (8) by welding, a reinforcing rod (18) is provided inside the fixed layer plate (8), and the fixed layer plate (8) is provided with two layers in total.

5. The multi-layer purification spray tower for waste gas treatment according to claim 1, characterized in that: Filter plates (20) are provided on both sides of the interior of the filler storage rack (6), the two sides of the filler storage rack (6) are connected to the fixed layer plate (8) via support rods (19), and the cross-section of the filler storage rack (6) is set to a V-shaped structure.

6. The multi-layer purification spray tower for waste gas treatment according to claim 1, characterized in that: A sealing cover (23) is provided inside the maintenance and refueling port (24), and the sealing cover (23) is fixedly connected to the maintenance and refueling port (24) by means of bolts.

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