Spray tower for acid mist waste gas treatment

Abstract

The utility model discloses a spray tower for acid mist waste gas treatment, which comprises a spray tower body, one side of the spray tower body is communicated with a gas delivery pipe for delivering acid mist waste gas, the top of the spray tower body is communicated with an exhaust pipe, and an inner cavity of the spray tower body is sequentially and movably provided with two groups of movable discs from top to bottom. The rotating shaft is driven to rotate through the driving motor, then the transmission rod is driven to rotate through driving of the first bevel gear and the second bevel gear, the movable disc is driven to rotate through the driving bevel gear and the driven bevel gear, then the movable disc carries the spraying heads to rotate, and due to the fact that the spraying heads are distributed in a staggered mode, the spraying efficiency is improved. The problem that the local position cannot be sprayed in place due to the fact that the position of the spraying head is fixed can be avoided, meanwhile, the acid mist waste gas can be dispersed to all positions in the tower body of the spraying tower through cooperation of the dispersing net and the corrosion-resistant sponge body, it is guaranteed that the spraying head evenly sprays alkaline absorption liquid, and the acid mist waste gas is purified through acid-base neutralization.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a spray tower for acid mist waste gas treatment. Background Art

[0002] Spray tower exists as a treatment equipment for environmental waste gas treatment. According to the working principle, it is divided into circulating water spray tower, alkali spray tower, and acid spray tower. According to the tower material, it is divided into FRP spray tower, PP spray tower, and stainless steel spray tower. Choose reasonable spray material and spray process according to the different properties of waste gas.

[0003] In the prior art, the Chinese utility model with announcement number: CN213132572U discloses an acid mist waste gas treatment device with a spray tower, which belongs to the technical field of acid mist waste gas treatment, and includes a base, a foot, a tower body and a packing layer. The foot is located at the four corners of the lower end of the base, and the base and the foot are welded and fixedly connected. The upper end of the base is provided with a tower body, and the tower body is fixedly connected to the base. The upper end of the tower body is provided with a packing layer, and the packing layer is connected to the tower body. This acid mist waste gas treatment device with a spray tower solves the problem that the spray range is not uniform enough, so that the acid mist and slurry cannot be effectively mixed, and the waste gas treatment effect is not ideal, through structural improvement, and reduces the use cost of the enterprise, has strong practicality, and solves the problem that impurities left after waste gas purification will remain in the circulating water after repeated use, and the process of replacing the circulating water is too cumbersome, thereby saving a lot of labor and facilitating practical use.

[0004] The spray plate in the above technical solution is fixedly installed inside the spray layer. When the atomizing nozzle sprays the neutralizing liquid, due to the fixed position of the atomizing nozzle, it is inevitable that some parts cannot be sprayed, resulting in incomplete treatment of the acid mist waste gas. Utility Model Content

[0005] The utility model aims to provide a spray tower for acid mist waste gas treatment, wherein a rotating movable disk is arranged inside the spray tower body, and the spray heads are evenly distributed by means of rotation to ensure the effect of acid mist waste gas treatment, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spray tower for acid mist waste gas treatment, comprising a spray tower body, one side of the spray tower body is connected to an air pipe for conveying acid mist waste gas, the top of the spray tower body is connected to an exhaust pipe, the inner cavity of the spray tower body is movably provided with two groups of movable disks from top to bottom, the bottom of the movable disk is connected to a spray head, a driven bevel gear is fixed to the surface of the movable disk, one side of the spray tower body is provided with a conveying component for conveying alkaline liquid into the movable disk, the other side of the spray tower body is rotatably connected with a transmission rod through bearings from top to bottom, one end of the transmission rod penetrates into the inner cavity of the spray tower body and is fixed with an active bevel gear meshing with the driven bevel gear, a fixed box is fixed to the outer side of the spray tower body, and a driving component for driving the transmission rod is provided in the inner cavity of the fixed box.

[0007] Preferably, the conveying assembly includes a storage box fixed to the bottom of the side surface of the spray tower body, a water pump is fixed to the top of the storage box, the water inlet pipe of the water pump is connected to a water inlet pipe, the end of the water inlet pipe away from the water pump passes through the bottom of the inner cavity of the storage box, the water outlet of the water pump is connected to a water outlet pipe, the end of the water outlet pipe away from the water pump passes through the inner cavity of the spray tower body and is rotatably connected to the top of the movable disk through a bearing.

[0008] Preferably, the driving assembly includes a driving motor fixed to the bottom of the fixed box, the output shaft of the driving motor passes through the inner cavity of the fixed box and is fixed with a rotating shaft, the end of the rotating shaft away from the driving motor rotates in the inner cavity of the fixed box through a bearing, the surface of the rotating shaft is fixed with first bevel gears in sequence from top to bottom, and one end of the transmission rod passes through the inner cavity of the fixed box and is fixed with a second bevel gear meshing with the first bevel gear.

[0009] Preferably, a fixing ring is fixed to the inner cavity of the spray tower body, and the top of the fixing ring is attached to the bottom of the movable disk.

[0010] Preferably, a slide groove is provided on the top of the fixed ring, a sliding block is slidably connected to the inner cavity of the slide groove, and the top of the sliding block passes through the slide groove and is fixed to the bottom of the movable disk.

[0011] Preferably, a corrosion-resistant sponge body is fixed to the inner cavity of the spray tower body, and the corrosion-resistant sponge body is located below the movable disk.

[0012] Preferably, a support plate is fixed on the outer side of the water outlet pipe, the support plate is fixed to the inner cavity of the spray tower body, and the outer side of the transmission rod is rotatably connected to a support block fixed to the bottom of the support plate through a bearing.

[0013] Preferably, a dispersion net is fixed to the inner cavity of the spray tower body, and the dispersion net is funnel-shaped and located between the corrosion-resistant sponge body and the gas transmission pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model drives the rotating shaft to rotate by a driving motor, then drives the transmission rod to rotate by the driving of the first bevel gear and the second bevel gear, drives the movable disk to rotate by the driving bevel gear and the driven bevel gear, and then the movable disk carries the spray head to rotate. Due to the staggered distribution of the spray head, the problem that the local position cannot be sprayed in place due to the fixed position of the spray head can be avoided. At the same time, the acid mist waste gas can be dispersed to various places inside the tower body of the spray tower in combination with the dispersion net and the corrosion-resistant sponge body, so as to ensure that the spray head evenly sprays the alkaline absorption liquid, and the acid mist waste gas is purified by acid-base neutralization. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0018] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the drive assembly of the utility model.

[0020] Numbers in the figure: 1. Spray tower body; 2. Air supply pipe; 3. Exhaust pipe; 4. Movable disk; 5. Spray head; 6. Driven bevel gear; 7. Conveying assembly; 71. Storage box; 72. Water pump; 73. Water inlet pipe; 74. Water outlet pipe; 8. Transmission rod; 9. Active bevel gear; 10. Fixed box; 11. Driving assembly; 111. Driving motor; 112. Rotating shaft; 113. First bevel gear; 114. Second bevel gear; 12. Fixed ring; 13. Slide; 14. Sliding block; 15. Corrosion-resistant sponge; 16. Support plate; 17. Support block; 18. Dispersion net. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figures 1 to 4A spray tower for acid mist waste gas treatment shown in the figure comprises a spray tower body 1, one side of the spray tower body 1 is connected with an air delivery pipe 2 for conveying acid mist waste gas, the top of the spray tower body 1 is connected with an exhaust pipe 3, the inner cavity of the spray tower body 1 is movably provided with two groups of movable disks 4 from top to bottom, the bottom of the movable disk 4 is connected with a spray head 5, the surface of the movable disk 4 is fixed with a driven bevel gear 6, one side of the spray tower body 1 is provided with a conveying assembly 7 for conveying alkaline liquid into the movable disk 4, the other side of the spray tower body 1 is rotatably connected with a transmission rod 8 through a bearing from top to bottom, one end of the transmission rod 8 penetrates into the inner cavity of the spray tower body 1 and is fixed with a driving bevel gear 9 meshing with the driven bevel gear 6, a fixed box 10 is fixed on the outer side of the spray tower body 1, and a driving assembly 11 for driving the transmission rod 8 is provided in the inner cavity of the fixed box 10;

[0023] The rotating shaft 112 is driven to rotate by the driving motor 111, and then the transmission rod 8 is driven to rotate by the driving of the first bevel gear 113 and the second bevel gear 114, and the movable disk 4 is driven to rotate by the driving bevel gear 9 and the driven bevel gear 6, and then the movable disk 4 carries the spray head 5 to rotate. Since the spray head 5 is staggered, the problem that the local position of the spray head 5 cannot be sprayed in place due to the fixed position of the spray head 5 can be avoided. At the same time, the dispersion net 18 and the corrosion-resistant sponge 15 can be used to disperse the acid mist exhaust gas to various places inside the spray tower body 1 to ensure that the spray head 5 evenly sprays the alkaline absorption liquid, and the acid mist exhaust gas is purified by acid-base neutralization.

[0024] The conveying assembly 7 includes a storage box 71 fixed to the bottom of the side of the spray tower body 1, a water pump 72 is fixed to the top of the storage box 71, a water inlet pipe 73 of the water pump 72 is connected to the water inlet pipe 73, and the end of the water inlet pipe 73 away from the water pump 72 passes through the bottom of the inner cavity of the storage box 71, and the water outlet of the water pump 72 is connected to the water outlet pipe 74, and the end of the water outlet pipe 74 away from the water pump 72 passes through the inner cavity of the spray tower body 1 and is rotatably connected to the top of the movable disk 4 through a bearing. The alkaline solution stored in the storage box 71 is introduced into the movable disk 4 through the water pump 72, and sprayed outward from the spray head 5, thereby increasing the contact area between the acid mist exhaust gas and the alkaline solution and accelerating the neutralization treatment speed.

[0025] The driving assembly 11 includes a driving motor 111 fixed to the bottom of the fixed box 10, the output shaft of the driving motor 111 passes through the inner cavity of the fixed box 10 and is fixed with a rotating shaft 112, the end of the rotating shaft 112 away from the driving motor 111 rotates in the inner cavity of the fixed box 10 through a bearing, and the surface of the rotating shaft 112 is fixed with a first bevel gear 113 from top to bottom, one end of the transmission rod 8 passes through the inner cavity of the fixed box 10 and is fixed with a second bevel gear 114 meshing with the first bevel gear 113, the rotating shaft 112 is driven to rotate by the driving motor 111, and then the rotating shaft 112 drives the transmission rod 8 to rotate by the first bevel gear 113 and the second bevel gear 114, and then the transmission rod 8 drives the movable disk 4 to rotate by the driving bevel gear 9 and the driven bevel gear 6, so that the position of the spray head 5 changes at all times, and the spray head 5 is staggered, which is convenient for uniform spraying of the space inside the spray tower body 1.

[0026] A fixing ring 12 is fixed to the inner cavity of the spray tower body 1, and the top of the fixing ring 12 fits against the bottom of the movable disk 4. The setting of the fixing ring 12 facilitates the support and positioning of the movable disk 4 to ensure the stability of the movable disk 4 to prevent the movable disk 4 from shaking during rotation.

[0027] A slide groove 13 is provided at the top of the fixed ring 12, and a slider 14 is slidably connected to the inner cavity of the slide groove 13. The top of the slider 14 passes through the slide groove 13 and is fixed to the bottom of the movable disk 4. The slider 14 slides in the inner cavity of the slide groove 13 to ensure that the movable disk 4 is always in contact with the fixed ring 12, thereby ensuring the stability of the movable disk 4.

[0028] A corrosion-resistant sponge 15 is fixed to the inner cavity of the spray tower body 1. The corrosion-resistant sponge 15 is located below the movable plate 4. The corrosion-resistant sponge 15 can absorb the alkaline solution sprayed from above, increasing the probability of the acid mist exhaust gas contacting the alkaline solution during the rising process of the acid mist exhaust gas.

[0029] A support plate 16 is fixed to the outside of the water outlet pipe 74, and the support plate 16 is fixed to the inner cavity of the spray tower body 1. The outside of the transmission rod 8 is rotatably connected to a support block 17 fixed to the bottom of the support plate 16 through a bearing. The water outlet pipe 74 is supported by the setting of the support plate 16, and the transmission rod 8 can be supported by the support block 17 to prevent the transmission rod 8 from shaking and affecting the meshing of the active bevel gear 9 and the driven bevel gear 6.

[0030] A dispersion net 18 is fixed to the inner cavity of the spray tower body 1. The dispersion net 18 is funnel-shaped and located between the corrosion-resistant sponge 15 and the gas pipe 2. The dispersion net 18 is arranged to facilitate dispersion of the rising acid mist waste gas, ensuring that the waste gas is evenly dispersed during the rising process.

[0031] During specific use, the acid mist waste gas is introduced into the interior of the spray tower body 1 through the air pipe 2, and the water pump 72 is started at the same time. Then the water pump 72 introduces the alkaline solution stored in the storage box 71 into the movable disk 4 through the water outlet pipe 74, and then sprays downward from the spray head 5. At the same time, the driving motor 111 is started, and then the driving motor 111 drives the rotating shaft 112 to rotate, and the rotating shaft 112 drives the first bevel gear 113 to drive the second bevel gear 114, driving the transmission rod 8 to rotate, and then the active bevel gear 9 and the driven bevel gear 6 are used to drive the movable disk 4 to rotate, so that the movable disk 4 drives the spray head 5 to rotate at a uniform speed, and the acid mist waste gas diffuses to the surroundings and rises under the action of the dispersion net 18, and the sprayed alkaline solution is absorbed by the corrosion-resistant sponge 15 and contacts the acid mist waste gas, and is neutralized in advance. Then the sprayed alkaline solution is sprayed on the acid mist waste gas to reduce the acidic substances in the waste gas.

[0032] Although 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 spray tower for acid mist waste gas treatment, comprising a spray tower body (1), characterized in that: One side of the spray tower body (1) is connected to a gas delivery pipe (2) for delivering acid mist waste gas, the top of the spray tower body (1) is connected to an exhaust pipe (3), the inner cavity of the spray tower body (1) is provided with two groups of movable disks (4) movably arranged from top to bottom, the bottom of the movable disk (4) is connected to a spray head (5), a driven bevel gear (6) is fixed on the surface of the movable disk (4), and one side of the spray tower body (1) is provided with a gear for delivering acid mist waste gas to the movable disk (4). An alkaline liquid conveying component (7), the other side of the spray tower body (1) is rotatably connected to a transmission rod (8) through bearings in sequence from top to bottom, one end of the transmission rod (8) penetrates the inner cavity of the spray tower body (1) and is fixed with a driving bevel gear (9) meshing with a driven bevel gear (6), a fixed box (10) is fixed on the outer side of the spray tower body (1), and a driving component (11) for driving the transmission rod (8) is arranged in the inner cavity of the fixed box (10).

2. The spray tower for acid mist waste gas treatment according to claim 1, characterized in that: The conveying assembly (7) comprises a storage box (71) fixed to the bottom of the side of the spray tower body (1); a water pump (72) is fixed to the top of the storage box (71); a water inlet pipe (73) of the water pump (72) is connected to a water inlet pipe (73); one end of the water inlet pipe (73) away from the water pump (72) penetrates to the bottom of the inner cavity of the storage box (71); a water outlet of the water pump (72) is connected to a water outlet pipe (74); one end of the water outlet pipe (74) away from the water pump (72) penetrates to the inner cavity of the spray tower body (1) and is rotatably connected to the top of the movable disk (4) through a bearing.

3. The spray tower for acid mist waste gas treatment according to claim 1, characterized in that: The driving assembly (11) comprises a driving motor (111) fixed to the bottom of a fixed box (10); an output shaft of the driving motor (111) penetrates the inner cavity of the fixed box (10) and is fixed with a rotating shaft (112); one end of the rotating shaft (112) away from the driving motor (111) rotates in the inner cavity of the fixed box (10) through a bearing; first bevel gears (113) are fixed in sequence on the surface of the rotating shaft (112) from top to bottom; and one end of the transmission rod (8) penetrates the inner cavity of the fixed box (10) and is fixed with a second bevel gear (114) meshing with the first bevel gear (113).

4. The spray tower for acid mist waste gas treatment according to claim 1, characterized in that: A fixing ring (12) is fixed to the inner cavity of the spray tower body (1), and the top of the fixing ring (12) is attached to the bottom of the movable plate (4).

5. The spray tower for acid mist waste gas treatment according to claim 4, characterized in that: A sliding groove (13) is provided at the top of the fixed ring (12), and a sliding block (14) is slidably connected to the inner cavity of the sliding groove (13). The top of the sliding block (14) passes through the sliding groove (13) and is fixed to the bottom of the movable disk (4).

6. The spray tower for acid mist waste gas treatment according to claim 1, characterized in that: A corrosion-resistant sponge body (15) is fixed in the inner cavity of the spray tower body (1), and the corrosion-resistant sponge body (15) is located below the movable plate (4).

7. The spray tower for acid mist waste gas treatment according to claim 2, characterized in that: A support plate (16) is fixed on the outside of the water outlet pipe (74), and the support plate (16) is fixed to the inner cavity of the spray tower body (1). The outside of the transmission rod (8) is rotatably connected to a support block (17) fixed to the bottom of the support plate (16) via a bearing.

8. The spray tower for acid mist waste gas treatment according to claim 1, characterized in that: A dispersion net (18) is fixed to the inner cavity of the spray tower body (1), and the dispersion net (18) is funnel-shaped and located between the corrosion-resistant sponge body (15) and the gas transmission pipe (2).

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