Exhaust gas treatment device

By introducing a combination of spray tower and filter element into the exhaust gas treatment device, the problem of difficulty in filtering the spray liquid in the gas after exhaust gas treatment is solved, and the safety and environmental protection of gas emissions are achieved.

CN222694407UActive Publication Date: 2025-04-01HUBEI UNIVERSAL TECH CO LTD
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Patent Information

Application Number
CN202421336934.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-04-01
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

After treatment, the existing exhaust gas treatment device is often accompanied by spray liquid in the gas, which is difficult to filter, resulting in easy contamination of air during emissions.

Method used

A exhaust gas treatment device is designed, using a combination of a spray tower and a filter element. The spray tower is used to treat waste gas and the filter element is used to filter the spray liquid so that the gas does not contain moisture and is safer after discharge.

Benefits of technology

Through the use of this device, the spray liquid can be effectively filtered, ensuring that the gas is discharged without moisture, avoiding air pollution, and the filter element replacement operation is simple.

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Abstract

The utility model relates to the technical field of exhaust gas treatment, and discloses an exhaust gas treatment device, including a spray tower, the top of the spray tower is fixedly connected with an exhaust pipe, the top of the exhaust pipe is threadedly connected with a fixed cover, the bottom of the fixed cover is fixedly connected with a support rod, and the bottom of the support rod is fixedly connected with a fixed pipe. The utility model has the following advantages and effects: when the exhaust gas enters the spray tower and is treated by the spray liquid, the gas enters the exhaust pipe, the gas flows upward and is adsorbed and filtered by the filter element, and the spray liquid is filtered so that the gas does not carry moisture, which is safer after discharge and avoids pollution. When the filter element needs to be replaced, the fixed cover can be twisted and removed, and the support rod drives the fixed pipe to be pulled out from the inner wall of the exhaust pipe. By removing the bolts, the connecting ring and the fixed pipe are separated, and the filter element is pulled, and the block is pulled out and separated from the bottom of the limit ring, so that the filter element can be removed for replacement, ensuring the water absorption effect of the filter element, and the operation is simple.
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Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device. Background Art

[0002] Existing tail gas treatment equipment usually uses spray liquid to neutralize and absorb acidic or alkaline gases. The gas is fed in from the bottom and flows out upward, and the spray liquid flows in the reverse direction, so that the gas and liquid are in close contact before reaction treatment.

[0003] In the prior art, Chinese Patent Publication No. CN219764975U discloses an exhaust gas treatment device; it includes a shell, a spray device, a liquid collecting device, a partition and a circulating water tank are arranged inside the shell from top to bottom, the top of the shell is an exhaust port, the middle and lower parts of the outer edge of the shell are also provided with a pipe connected to the inside of the shell, the bottom is provided with an air inlet, the upper part of the shell is also provided with a liquid pipeline connected to the spray device, the spray device is fixed to the upper part of the inner wall of the shell by a bracket, the lower end of the spray device is equidistantly provided with partitions, a liquid collecting device fixed to the shell is provided between the partitions, and the circulating water tank is provided on the bottom surface of the shell. The exhaust gas treatment device of the utility model collects the spray liquid dropped from the upper layer again through the liquid collecting device, and then evenly disperses it downward again, so that the spray liquid of the lower layer also maintains an even distribution, which can effectively avoid the occurrence of spray liquid wall flow phenomenon and improve the exhaust gas treatment effect.

[0004] However, when the utility model is actually used, after the exhaust gas is treated by the spray liquid, the gas is discharged upward. As the gas flows upward, the gas is often accompanied by some spray liquid, which is not convenient for filtering. The spray liquid is also brought out, which can easily cause air pollution, so improvement is needed. Utility Model Content

[0005] The utility model aims to provide a tail gas treatment device, which can filter the spray liquid to make the gas free of moisture, make it safer after discharge, and avoid pollution.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: an exhaust gas treatment device, including a spray tower, the top of the spray tower is fixedly connected to an exhaust pipe, the top of the exhaust pipe is threadedly connected to a fixed cover, the bottom of the fixed cover is fixedly connected to a support rod, the bottom of the support rod is fixedly connected to a fixed pipe, the top of the fixed pipe is fixedly connected to a limiting ring, the bottom of the limiting ring is clamped with a clamping block, the bottom of the clamping block is fixedly connected to a filter element, the bottom of the filter element is fixedly connected to a connecting ring, and the internal thread of the connecting ring is connected with bolts.

[0007] By adopting the above technical solution, the fixed pipe is inserted into the exhaust pipe during use, and the fixed cover and the exhaust pipe are installed and connected. When the exhaust gas enters the spray tower and is treated by the spray liquid, the gas enters the exhaust pipe, and the gas flows upward and is adsorbed and filtered by the filter element. The spray liquid is filtered so that the gas does not carry moisture, which is safer after discharge and avoids pollution. When the filter element needs to be replaced, the fixed cover can be twisted and removed, and the support rod drives the fixed pipe to be pulled out from the inner wall of the exhaust pipe. By removing the bolts, the connecting ring and the fixed pipe are separated, and the filter element is pulled, and the block is pulled out and separated from the bottom of the limit ring, so that the filter element can be removed for replacement, thereby ensuring the water absorption effect of the filter element and simple operation.

[0008] The utility model is further configured as follows: an air outlet is provided on the top of the fixed cover, and a frame net is fixedly connected to the inner wall of the air outlet.

[0009] By adopting the above technical solution, the filtered gas is discharged from the air outlet, and the net is set up to prevent external debris from entering the air outlet.

[0010] The utility model is further configured as follows: a clamping groove is provided at the bottom of the connecting ring, and an anti-slip ring is clamped on the inner wall of the clamping groove.

[0011] By adopting the above technical solution, the anti-skid ring has an anti-skid effect and is relatively firm with the slot.

[0012] The utility model is further configured as follows: a relief ring is fixedly connected to the bottom of the anti-slip ring, and a filter cotton pad is fixedly connected to the bottom of the relief ring.

[0013] By adopting the above technical solution, the avoidance ring is used to install the filter cotton pad, so that the filter cotton pad is installed at the bottom of the connecting ring, thereby improving the filtering effect and facilitating disassembly and replacement.

[0014] The utility model is further configured as follows: a sealing ring is fixedly connected to the top of the spray tower, and a liquid inlet pipe is fixedly connected to the outer surface of the spray tower.

[0015] By adopting the above technical solution, the sealing ring improves the airtightness, and the spray liquid enters the spray tower from the liquid inlet pipe and is sprayed through the internal spray assembly.

[0016] The utility model is further configured as follows: a water outlet pipe is fixedly connected to the bottom of the spray tower, and an air inlet pipe is fixedly connected to the bottom of the spray tower.

[0017] By adopting the above technical solution, the exhaust gas is introduced into the air intake pipe, and the exhaust gas flows upward to be sprayed and purified.

[0018] The utility model is further configured as follows: a first water-absorbing cotton is fixedly connected to the inner wall of the filter element, and a water-absorbing net is fixedly connected to the top of the first water-absorbing cotton.

[0019] By adopting the above technical solution, the first absorbent cotton filters the gas and absorbs moisture in the gas.

[0020] The utility model is further configured as follows: water-absorbing resin particles are arranged inside the water-absorbing net, and a second water-absorbing cotton is fixedly connected to the top of the water-absorbing net.

[0021] By adopting the above technical solution, the water-absorbing resin particles further improve their water absorption capacity, have a stronger water absorption effect, and are enhancedly filtered by the second water-absorbing cotton.

[0022] The utility model is further configured as follows: the number of the water-absorbing resin particles is several, and an exhaust port is provided on the top of the spray tower.

[0023] By adopting the above technical solution, the water-absorbing resin particles are evenly distributed, and the gas enters the exhaust pipe from the exhaust port.

[0024] The utility model is further configured as follows: the number of the support rods is four, and the four support rods are arranged in a ring array.

[0025] By adopting the above technical solution, the supporting effect of the support rod is stronger, thereby improving the stability of the fixed pipe.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model, through the coordinated arrangement among the spray tower, the exhaust pipe, the fixed cover, the support rod, the fixed pipe, the limiting ring, the clamping block, the filter element, the connecting ring and the bolts, can enable the device to be used by inserting the fixed pipe into the exhaust pipe, installing and connecting the fixed cover and the exhaust pipe. When the exhaust gas enters the spray tower and is treated by the spray liquid, the gas enters the exhaust pipe, and the gas flows upward and is adsorbed and filtered by the filter element, and the spray liquid is filtered so that the gas does not carry moisture, which is safer after discharge and avoids pollution. When the filter element needs to be replaced, the fixed cover can be twisted and removed, and the support rod drives the fixed pipe to be pulled out from the inner wall of the exhaust pipe. By removing the bolts, the connecting ring and the fixed pipe are separated, the filter element is pulled, and the clamping block is pulled out and separated from the bottom of the limiting ring, so that the filter element can be removed for replacement, thereby ensuring the water absorption effect of the filter element and simple operation.

[0028] 2. The utility model, through the coordination of the air outlet, the frame net, the card slot, the anti-skid ring, the avoidance ring, the filter cotton pad, the sealing ring, the liquid inlet pipe, the water outlet pipe, the air inlet pipe, the first water-absorbing cotton, the water-absorbing net, the water-absorbing resin particles, the second water-absorbing cotton and the air outlet, can make the device, when in use, discharge the filtered gas from the air outlet; the frame net prevents external debris from entering the air outlet; the anti-skid ring has an anti-skid effect and is relatively firm with the card slot; the avoidance ring is used to install the filter cotton pad so that the filter cotton pad is installed at the bottom of the connecting ring, thereby improving the filtering effect and facilitating disassembly and replacement; the first water-absorbing cotton filters the gas and absorbs moisture in the gas; the water-absorbing resin particles further enhance the water absorption capacity and make the water absorption effect stronger, which is enhanced by the second water-absorbing cotton. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the exhaust pipe structure of the utility model;

[0032] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0033] Figure 4 This is a schematic diagram of the filter element structure of the utility model.

[0034] In the figure, 1. spray tower; 2. exhaust pipe; 3. fixing cover; 4. support rod; 5. fixing pipe; 6. limit ring; 7. block; 8. filter element; 9. connecting ring; 10. bolt; 11. air outlet; 12. frame net; 13. slot; 14. anti-slip ring; 15. avoidance ring; 16. filter cotton pad; 17. sealing ring; 18. liquid inlet pipe; 19. water outlet pipe; 20. air inlet pipe; 21. first water-absorbing cotton; 22. water-absorbing net; 23. water-absorbing resin particles; 24. second water-absorbing cotton; 25. exhaust port. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0036] Reference Figure 1-4A tail gas treatment device includes a spray tower 1, the top of the spray tower 1 is fixedly connected to an exhaust pipe 2, the top of the exhaust pipe 2 is threadedly connected to a fixed cover 3, the bottom of the fixed cover 3 is fixedly connected to a support rod 4, the bottom of the support rod 4 is fixedly connected to a fixed pipe 5, the top of the fixed pipe 5 is fixedly connected to a limit ring 6, the bottom of the limit ring 6 is clamped with a clamping block 7, the bottom of the clamping block 7 is fixedly connected to a filter element 8, the bottom of the filter element 8 is fixedly connected to a connecting ring 9, the internal thread of the connecting ring 9 is connected with a bolt 10, when in use, the fixed pipe 5 is inserted into the exhaust pipe 2, the fixed cover 3 and the exhaust pipe 2 are installed and connected, when the exhaust gas enters the spray tower 1 and is treated by the spray liquid, the gas enters the exhaust pipe 2, the gas flows upward and is adsorbed and filtered by the filter element 8, and the spray liquid is filtered. The gas does not contain moisture and is safer after discharge to avoid pollution. When the filter element 8 needs to be replaced, the fixing cover 3 can be twisted and removed, and the support rod 4 drives the fixing pipe 5 to be pulled out from the inner wall of the exhaust pipe 2. By removing the bolt 10, the connecting ring 9 and the fixing pipe 5 are separated, the filter element 8 is pulled, and the block 7 is pulled out and separated from the bottom of the limiting ring 6, so that the filter element 8 can be removed for replacement to ensure the water absorption effect of the filter element 8. The operation is simple. An air outlet 11 is provided on the top of the fixing cover 3, and a frame net 12 is fixedly connected to the inner wall of the air outlet 11. The filtered gas is discharged from the air outlet 11, and the frame net 12 prevents external debris from entering the air outlet 11. A card groove 13 is provided at the bottom of the connecting ring 9, and an anti-slip ring 14 is clamped on the inner wall of the card groove 13. The anti-slip ring 14 has It has an anti-slip effect and is relatively firm with the card slot 13. The bottom of the anti-slip ring 14 is fixedly connected with an avoidance ring 15, and the bottom of the avoidance ring 15 is fixedly connected with a filter cotton pad 16. The avoidance ring 15 installs the filter cotton pad 16 so that the filter cotton pad 16 is installed at the bottom of the connecting ring 9 to improve the filtering effect and facilitate disassembly and replacement. The top of the spray tower 1 is fixedly connected with a sealing ring 17, and the outer surface of the spray tower 1 is fixedly connected with a liquid inlet pipe 18. The sealing ring 17 improves the airtightness. The spray liquid enters the spray tower 1 from the liquid inlet pipe 18 and sprays the spray liquid through the internal spray assembly. The bottom of the spray tower 1 is fixedly connected with a water outlet pipe 19, and the bottom of the spray tower 1 is fixedly connected with an air inlet pipe 20. The air inlet pipe 20 passes the exhaust gas, and the exhaust gas flows upward and is sprayed and purified. The inner wall of the filter element 8 A first absorbent cotton 21 is fixedly connected, and a water absorbent net 22 is fixedly connected to the top of the first absorbent cotton 21. The first absorbent cotton 21 filters the gas and absorbs moisture in the gas. Water absorbent resin particles 23 are arranged inside the water absorbent net 22. A second absorbent cotton 24 is fixedly connected to the top of the water absorbent net 22. The water absorbent resin particles 23 further enhance the water absorption capacity, and the water absorption effect is stronger. The water is further filtered by the second absorbent cotton 24. The number of water absorbent resin particles 23 is several, and an exhaust port 25 is opened on the top of the spray tower 1. The water absorbent resin particles 23 are evenly distributed. The gas enters the exhaust pipe 2 from the exhaust port 25. The number of support rods 4 is four, and the four support rods 4 are in a ring array. The support effect of the support rods 4 is strong, which improves the stability of the fixed pipe 5.

[0037] In the utility model, through the coordination arrangement between the spray tower 1, the exhaust pipe 2, the fixed cover 3, the support rod 4, the fixed pipe 5, the limit ring 6, the block 7, the filter element 8, the connecting ring 9 and the bolt 10, the device can be used. When in use, the fixed pipe 5 is inserted into the exhaust pipe 2, and the fixed cover 3 and the exhaust pipe 2 are installed and connected. When the exhaust gas enters the spray tower 1 and is treated by the spray liquid, the gas enters the exhaust pipe 2, and the gas flows upward and is adsorbed and filtered by the filter element 8, and the spray liquid is filtered, so that the gas does not carry moisture, and it is safer after discharge to avoid To avoid pollution, when the filter element 8 needs to be replaced, the fixing cover 3 can be twisted and removed, and the support rod 4 drives the fixing pipe 5 to be pulled out from the inner wall of the exhaust pipe 2. By removing the bolt 10, the connecting ring 9 and the fixing pipe 5 are separated, the filter element 8 is pulled, and the block 7 is pulled out and separated from the bottom of the limit ring 6, so that the filter element 8 can be removed and replaced, ensuring the water absorption effect of the filter element 8. The operation is simple, through the air outlet 11, the frame net 12, the card slot 13, the anti-slip ring 14, the avoidance ring 15, the filter cotton pad 16, the sealing ring 17, the liquid inlet pipe 18, the water outlet pipe 1 9. The coordinated arrangement of the air inlet pipe 20, the first absorbent cotton 21, the absorbent net 22, the absorbent resin particles 23, the second absorbent cotton 24 and the exhaust port 25 enables the device to be used, and the filtered gas is discharged from the air outlet 11. The frame net 12 prevents external debris from entering the air outlet 11. The anti-slip ring 14 has an anti-slip effect and is relatively firm with the card slot 13. The avoidance ring 15 is used to install the filter cotton pad 16, so that the filter cotton pad 16 is installed at the bottom of the connecting ring 9, which improves the filtering effect and is easy to disassemble and replace. The sealing ring 17 To improve the airtightness, the spray liquid enters the spray tower 1 from the liquid inlet pipe 18, and is sprayed through the internal spray assembly. The exhaust gas is introduced into the air inlet pipe 20, and the exhaust gas flows upward and is sprayed and purified. The first absorbent cotton 21 filters the gas and absorbs moisture in the gas. The absorbent resin particles 23 further enhance the water absorption capacity and have a stronger water absorption effect. The second absorbent cotton 24 further enhances the filtration, and the absorbent resin particles 23 are evenly distributed. The gas enters the exhaust pipe 2 from the exhaust port 25. The support effect of the support rod 4 is relatively strong, thereby improving the stability of the fixed pipe 5.

[0038] 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 tail gas treatment device, comprising a spray tower (1), characterized in that: The top of the spray tower (1) is fixedly connected to an exhaust pipe (2), the top of the exhaust pipe (2) is threadedly connected to a fixing cover (3), the bottom of the fixing cover (3) is fixedly connected to a support rod (4), the bottom of the support rod (4) is fixedly connected to a fixing pipe (5), the top of the fixing pipe (5) is fixedly connected to a limiting ring (6), the bottom of the limiting ring (6) is clamped with a clamping block (7), the bottom of the clamping block (7) is fixedly connected to a filter element (8), the bottom of the filter element (8) is fixedly connected to a connecting ring (9), and the internal thread of the connecting ring (9) is connected to a bolt (10).

2. The exhaust gas treatment device according to claim 1, characterized in that: An air outlet (11) is provided on the top of the fixed cover (3), and a frame net (12) is fixedly connected to the inner wall of the air outlet (11).

3. The exhaust gas treatment device according to claim 1, characterized in that: A clamping groove (13) is provided at the bottom of the connecting ring (9), and an anti-slip ring (14) is clamped on the inner wall of the clamping groove (13).

4. The exhaust gas treatment device according to claim 3, characterized in that: The bottom of the anti-slip ring (14) is fixedly connected to a relief ring (15), and the bottom of the relief ring (15) is fixedly connected to a filter cotton pad (16).

5. The exhaust gas treatment device according to claim 1, characterized in that: A sealing ring (17) is fixedly connected to the top of the spray tower (1), and a liquid inlet pipe (18) is fixedly connected to the outer surface of the spray tower (1).

6. The exhaust gas treatment device according to claim 1, characterized in that: The bottom of the spray tower (1) is fixedly connected to a water outlet pipe (19), and the bottom of the spray tower (1) is fixedly connected to an air inlet pipe (20).

7. The exhaust gas treatment device according to claim 1, characterized in that: The inner wall of the filter element (8) is fixedly connected to a first water-absorbing cotton (21), and the top of the first water-absorbing cotton (21) is fixedly connected to a water-absorbing net (22).

8. The exhaust gas treatment device according to claim 7, characterized in that: Water-absorbing resin particles (23) are arranged inside the water-absorbing net (22), and a second water-absorbing cotton (24) is fixedly connected to the top of the water-absorbing net (22).

9. The exhaust gas treatment device according to claim 8, characterized in that: The number of the water-absorbing resin particles (23) is several, and an exhaust port (25) is provided at the top of the spray tower (1).

10. The exhaust gas treatment device according to claim 1, characterized in that: The number of the support rods (4) is four, and the four support rods (4) are arranged in a ring array.

Citation Information

Patent Citations

  • Tail gas treatment device

    CN219764975U