VOC waste gas treatment device

By using an inverted W-shaped shell and a multi-pipe structure design, the problem of insufficient contact between VOC waste gas and treatment liquid is solved, achieving a more thorough VOC waste gas treatment and gas drying effect.

CN224040518UActive Publication Date: 2026-03-27WUHAN MAIYUAN ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing VOC waste gas treatment methods, the spraying method causes the VOC waste gas to be discharged too quickly, making it difficult to fully contact the treatment liquid, resulting in incomplete treatment.

Method used

It adopts an inverted W-shaped exhaust gas treatment shell and a multi-pipe structure. The treatment liquid is flowed along the bottom surface of the shell by installing a pump, so that VOC exhaust gas passes over the liquid surface. The gas is treated in combination with a fan and a drying box.

Benefits of technology

It achieves full contact between VOC waste gas and treatment liquid, improving the treatment effect, and the gas drying treatment through the drying box enhances the thoroughness and efficiency of the treatment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224040518U_ABST
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Abstract

The utility model discloses a VOC (volatile organic compound) waste gas treatment device which comprises a treatment box body, a middle partition plate is fixedly connected inside the treatment box body, a waste gas treatment shell is fixedly mounted on the upper surface of the middle partition plate, and a treatment liquid box body is fixedly connected to the rear side of the treatment box body. According to the waste gas treatment device, the two mounting pump bodies are started, the mounting pump bodies extract treatment liquid in the treatment liquid box body, the treatment liquid enters the second connecting pipeline through the first connecting pipeline and then enters the waste gas treatment shell through the third connecting pipeline, and the treatment liquid does not fill the waste gas treatment shell; the VOC waste gas only flows along the inner bottom surface of the waste gas treatment shell, so that the VOC waste gas moves from the upper surface of the treatment liquid, and the VOC waste gas is in full contact with the treatment liquid through a zigzag path, so that the treatment is more thorough.
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Description

Technical Field

[0001] This utility model relates to the field of VOC waste gas treatment technology, and in particular to a VOC waste gas treatment device. Background Technology

[0002] VOC stands for volatile organic compounds. In the general sense, VOC refers to volatile organic compounds; however, in an environmental context, it refers to a more reactive type of volatile organic compound, that is, the type of volatile organic compound that can cause harm.

[0003] In the process of VOC waste gas treatment, there is also a treatment method that uses a treatment liquid for spraying, so that the VOC waste gas comes into contact with the treatment liquid and the treatment liquid absorbs the VOC waste gas to achieve the treatment effect. However, in the existing spraying method, the VOC waste gas is discharged too quickly, and it is difficult for the VOC waste gas to come into sufficient contact with the treatment liquid, so that a large amount of VOC waste gas is still in the discharged gas. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a VOC waste gas treatment device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a VOC exhaust gas treatment device, comprising a treatment chamber, a central partition plate fixedly connected inside the treatment chamber, an exhaust gas treatment shell fixedly installed on the upper surface of the central partition plate, a treatment liquid tank fixedly connected to the rear side of the treatment chamber, two sets of liquid extraction components connected to the top of the treatment liquid tank, the liquid extraction components being connected to the top of the exhaust gas treatment shell, an air inlet component connected to one side of the exhaust gas treatment shell, and an exhaust component connected to the other side of the exhaust gas treatment shell.

[0006] As a further description of the above technical solution:

[0007] The liquid extraction assembly includes a pump body fixedly connected to the top of the treatment liquid tank. The inlet of the pump body extends into the interior of the treatment liquid tank. The outlet of the pump body is fixedly connected to a first connecting pipe. A second connecting pipe is fixedly connected to the end of the first connecting pipe away from the pump body. A plurality of third connecting pipes are fixedly connected to the lower surface of the second connecting pipe. The bottom end of the third connecting pipe extends into the interior of the treatment tank and connects to the top of the waste gas treatment housing.

[0008] As a further description of the above technical solution:

[0009] The air intake assembly includes a plurality of first air intake pipes fixedly connected to one side of the exhaust gas treatment housing. The ends of the plurality of first air intake pipes away from the exhaust gas treatment housing are jointly fixedly connected to a second air intake pipe. The ends of the second air intake pipes away from the first air intake pipes are fixedly connected to a third air intake pipe. The other end of the third air intake pipe extends to the outside of the treatment chamber.

[0010] As a further description of the above technical solution:

[0011] The exhaust assembly includes a plurality of first exhaust pipes fixedly connected to the other side of the exhaust gas treatment housing. The ends of the plurality of first exhaust pipes away from the exhaust gas treatment housing are fixedly connected to a second exhaust pipe. The side of the second exhaust pipe away from the first exhaust pipe is fixedly connected to a third exhaust pipe. The other end of the third exhaust pipe is connected to an air extraction assembly.

[0012] As a further description of the above technical solution:

[0013] The exhaust assembly includes an exhaust fan fixedly connected to the side wall of the processing chamber. The inlet of the exhaust fan is fixedly connected to a third exhaust pipe, and the outlet of the exhaust fan is fixedly connected to a first fixed pipe. A second fixed pipe is fixedly connected to the end of the first fixed pipe away from the exhaust fan. A drying chamber is fixedly connected to the end of the second fixed pipe away from the first fixed pipe. The drying chamber is fixedly connected to the side wall of the processing chamber. A heating tube is fixedly connected inside the drying chamber, and a third fixed pipe is fixedly connected to one side of the drying chamber.

[0014] As a further description of the above technical solution:

[0015] The exhaust gas treatment housing is shaped like an inverted "W", and two support frames are fixedly connected to the bottom of the treatment housing.

[0016] As a further description of the above technical solution:

[0017] A first water pipe is fixedly connected to the bottom of the exhaust gas treatment housing, and the first water pipe extends to the bottom of the central partition plate. A second water pipe is fixedly connected to the bottom of the treatment box, and valves are installed on both the first water pipe and the second water pipe.

[0018] This utility model has the following beneficial effects:

[0019] 1. Compared with existing technologies, this VOC exhaust gas treatment device starts two installation pumps to draw treatment liquid from the treatment liquid tank. The treatment liquid enters the second connection pipe through the first connection pipe, and then enters the interior of the exhaust gas treatment shell through the third connection pipe. The treatment liquid does not fill the interior of the exhaust gas treatment shell, but flows along the inner bottom surface of the exhaust gas treatment shell. In this way, the VOC exhaust gas moves from the upper surface of the treatment liquid. Through the tortuous path, the VOC exhaust gas comes into full contact with the treatment liquid, and the treatment is more thorough.

[0020] 2. Compared with the existing technology, this VOC exhaust gas treatment device starts the exhaust fan, which draws the gas inside the exhaust gas treatment shell into the third exhaust pipe, and then into the drying chamber. The gas is heated and dried through the heating pipe inside the drying chamber, and finally discharged through the third fixed pipe, thus performing the drying treatment. Attached Figure Description

[0021] Figure 1 This is a first-view perspective view of a VOC waste gas treatment device proposed in this utility model.

[0022] Figure 2 This is a second-view perspective perspective view of a VOC waste gas treatment device proposed in this utility model.

[0023] Figure 3 This is a structural diagram of the internal structure of the treatment box of a VOC waste gas treatment device proposed in this utility model;

[0024] Figure 4 This is a front sectional view of a VOC waste gas treatment device proposed in this utility model.

[0025] Legend:

[0026] 1. Processing chamber; 2. Central partition plate; 3. Waste gas treatment shell; 4. Processing liquid tank; 5. Pump installation body; 6. First connecting pipe; 7. Second connecting pipe; 8. Third connecting pipe; 9. First air inlet pipe; 10. Second air inlet pipe; 11. Third air inlet pipe; 12. First exhaust pipe; 13. Second exhaust pipe; 14. Third exhaust pipe; 15. Exhaust fan; 16. First fixed pipe; 17. Second fixed pipe; 18. Drying oven; 19. Heating element; 20. Third fixed pipe; 21. First water pipe; 22. Second water pipe; 23. Support frame. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Reference Figures 1 to 4 This utility model provides a VOC exhaust gas treatment device, which includes a treatment box 1. A central partition plate 2 is fixedly connected inside the treatment box 1. An exhaust gas treatment shell 3 is fixedly installed on the upper surface of the central partition plate 2. The exhaust gas treatment shell 3 is in the shape of an inverted "W". Two support frames 23 are fixedly connected to the bottom of the treatment box 1. A first water pipe 21 is fixedly connected to the bottom of the exhaust gas treatment shell 3. The first water pipe 21 extends to the bottom of the central partition plate 2. A second water pipe 22 is fixedly connected to the bottom of the treatment box 1. Valves are provided on both the first water pipe 21 and the second water pipe 22. Opening the valve on the first water pipe 21 allows the treatment liquid inside the exhaust gas treatment shell 3 to flow into the bottom of the central partition plate 2. The valve on the second water pipe 22 is opened periodically to discharge the treatment liquid below the central partition plate 2. The valve on the second water pipe 22 does not need to be kept open.

[0029] A treatment liquid tank 4 is fixedly connected to the rear side of the treatment tank 1. Two sets of liquid extraction components are connected to the top of the treatment liquid tank 4. The liquid extraction components include a pump body 5 fixedly connected to the top of the treatment liquid tank 4. The inlet of the pump body 5 extends into the interior of the treatment liquid tank 4. A first connecting pipe 6 is fixedly connected to the outlet of the pump body 5. A second connecting pipe 7 is fixedly connected to the end of the first connecting pipe 6 away from the pump body 5. A plurality of third connecting pipes 8 are fixedly connected to the lower surface of the second connecting pipe 7. The bottom end of the third connecting pipes 8 extends into the interior of the treatment tank 1 and connects to the top of the exhaust gas treatment housing 3.

[0030] The liquid extraction assembly is connected to the top of the exhaust gas treatment housing 3. An air intake assembly is connected to one side of the exhaust gas treatment housing 3. The air intake assembly includes a plurality of first air intake pipes 9 fixedly connected to one side of the exhaust gas treatment housing 3. The ends of the plurality of first air intake pipes 9 away from the exhaust gas treatment housing 3 are fixedly connected to a second air intake pipe 10. The ends of the second air intake pipe 10 away from the first air intake pipes 9 are fixedly connected to a third air intake pipe 11. The other end of the third air intake pipe 11 extends to the outside of the treatment box 1.

[0031] An exhaust assembly is connected to the other side of the exhaust gas treatment housing 3. The exhaust assembly includes multiple first exhaust pipes 12 fixedly connected to the other side of the exhaust gas treatment housing 3. The ends of the multiple first exhaust pipes 12 away from the exhaust gas treatment housing 3 are jointly fixedly connected to a second exhaust pipe 13. The side of the second exhaust pipe 13 away from the first exhaust pipe 12 is fixedly connected to a third exhaust pipe 14. The other end of the third exhaust pipe 14 is connected to an extraction assembly. The extraction assembly includes an exhaust fan 15 fixedly connected to the side wall of the treatment chamber 1. The inlet of the exhaust fan 15 is fixedly connected to the third exhaust pipe 14. The outlet of the exhaust fan 15 is fixedly connected to a first fixed pipe 16. The end of the first fixed pipe 16 away from the exhaust fan 15 is fixedly connected to a second fixed pipe 17. The end of the second fixed pipe 17 away from the first fixed pipe 16 is fixedly connected to a drying chamber 18. The drying chamber 18 is fixedly connected to the side wall of the treatment chamber 1. A heating tube 19 is fixedly connected inside the drying chamber 18. A third fixed pipe 20 is fixedly connected to one side of the drying chamber 18.

[0032] Working principle: The third air intake pipe 11 is connected to the VOC exhaust pipe. The VOC exhaust gas enters the second air intake pipe 10 through the third air intake pipe 11, and then enters multiple first air intake pipes 9 through the second air intake pipe 10, and then disperses into the exhaust gas treatment housing 3.

[0033] Two installation pumps 5 are started, and the installation pumps 5 draw the treatment liquid from the treatment liquid tank 4. The treatment liquid enters the second connection pipe 7 through the first connection pipe 6, and then enters the interior of the exhaust gas treatment housing 3 through the third connection pipe 8. The treatment liquid does not fill the interior of the exhaust gas treatment housing 3, but flows along the inner bottom surface of the exhaust gas treatment housing 3. In this way, the VOC exhaust gas moves from the upper surface of the treatment liquid, and through a tortuous path, the VOC exhaust gas comes into full contact with the treatment liquid.

[0034] Start the exhaust fan 15. The exhaust fan 15 draws the gas inside the exhaust gas treatment housing 3 into the third exhaust pipe 14, and then into the drying chamber 18. The gas is heated and dried through the heating pipe 19 inside the drying chamber 18, and finally discharged through the third fixed pipe 20.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A VOC exhaust gas treatment device comprising a treatment cabinet (1), characterized in that: The inside of the processing box (1) is fixedly connected with a middle partition plate (2), the upper surface of the middle partition plate (2) is fixedly installed with a waste gas treatment shell (3), the rear side of the processing box (1) is fixedly connected with a treatment liquid box (4), the top of the treatment liquid box (4) is connected with two groups of liquid pumping assemblies, the liquid pumping assemblies are connected with the top of the waste gas treatment shell (3), one side of the waste gas treatment shell (3) is connected with an air inlet assembly, and the other side of the waste gas treatment shell (3) is connected with an air outlet assembly.

2. The VOC exhaust treatment device of claim 1, wherein: The liquid pumping assembly comprises a mounting pump body (5) fixedly connected to the top of the treatment liquid box (4), the inlet of the mounting pump body (5) extends to the inside of the treatment liquid box (4), the outlet of the mounting pump body (5) is fixedly connected with a first connecting pipeline (6), one end of the first connecting pipeline (6) away from the mounting pump body (5) is fixedly connected with a second connecting pipeline (7), the lower surface of the second connecting pipeline (7) is fixedly connected with a plurality of third connecting pipelines (8), and the bottom ends of the third connecting pipelines (8) extend to the inside of the processing box (1) and are connected with the top of the waste gas treatment shell (3).

3. The VOC exhaust treatment device of claim 1, wherein: The air inlet assembly comprises a plurality of first air inlet pipelines (9) fixedly connected to one side of the waste gas treatment shell (3), one end of the first air inlet pipelines (9) away from the waste gas treatment shell (3) is fixedly connected with a second air inlet pipeline (10), one end of the second air inlet pipeline (10) away from the first air inlet pipeline (9) is fixedly connected with a third air inlet pipeline (11), and the other end of the third air inlet pipeline (11) extends to the outside of the processing box (1).

4. The VOC exhaust treatment device of claim 1, wherein: The air outlet assembly comprises a plurality of first air outlet pipelines (12) fixedly connected to the other side of the waste gas treatment shell (3), one end of the first air outlet pipelines (12) away from the waste gas treatment shell (3) is fixedly connected with a second air outlet pipeline (13), one side of the second air outlet pipeline (13) away from the first air outlet pipeline (12) is fixedly connected with a third air outlet pipeline (14), and the other end of the third air outlet pipeline (14) is connected with an air pumping assembly.

5. The VOC exhaust treatment device of claim 4, wherein: The air pumping assembly comprises an air pumping fan (15) fixedly connected to the side wall of the processing box (1), the inlet of the air pumping fan (15) is fixedly connected with the third air outlet pipeline (14), the outlet of the air pumping fan (15) is fixedly connected with a first fixed pipeline (16), one end of the first fixed pipeline (16) away from the air pumping fan (15) is fixedly connected with a second fixed pipeline (17), one end of the second fixed pipeline (17) away from the first fixed pipeline (16) is fixedly connected with a drying box (18), the drying box (18) is fixedly connected to the side wall of the processing box (1), the inside of the drying box (18) is fixedly connected with a heating pipe (19), and one side of the drying box (18) is fixedly connected with a third fixed pipeline (20).

6. The VOC exhaust treatment device of claim 1, wherein: The waste gas treatment shell (3) is in the shape of an inverted "W", and the bottom of the processing box (1) is fixedly connected with two support frames (23).

7. The VOC exhaust treatment device of claim 1, wherein: The bottom of the exhaust treatment shell (3) is fixedly connected with a first water pipe (21), the first water pipe (21) extends to below the middle partition plate (2), the bottom of the treatment box (1) is fixedly connected with a second water pipe (22), and valves are arranged on the first water pipe (21) and the second water pipe (22).