VOC waste gas treatment structure

By combining the outer layer of the modified air duct, the catalyst particle layer, and the UVLED light source, hydroxyl radicals are generated, solving the problems of complexity and high cost of existing devices and achieving efficient VOC exhaust gas purification.

CN224100364UActive Publication Date: 2026-04-10SHENZHEN XIANGZHILIN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN XIANGZHILIN ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-04-21
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing waste gas treatment devices are complex in structure and expensive, making it difficult to efficiently purify VOC waste gas generated during the coating process.

Method used

By modifying the air duct, a combined structure of outer layer, catalyst particle layer, inner layer, UVLED linear light source and sealing sheet is adopted. The titanium coating and catalyst particle layer generate hydroxyl radicals, which are then combined with the UVLED light source to purify VOCs.

Benefits of technology

It achieves simple, low-cost, and efficient VOC exhaust gas purification, converting VOCs into harmless small molecules and reducing exhaust gas treatment costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a structure for treating VOC (volatile organic compound) waste gas. The structure for treating the VOC waste gas comprises an outer layer, a catalyst particle layer, an inner layer, a UVLED (ultraviolet light-emitting diode) line light source and a sealing sheet, the catalyst particle layer is located between the outer layer and the inner layer, and transparent pipes are arranged in the middle of the catalyst particle layer at intervals; a first titanium coating is arranged on the surface, close to the catalyst particle layer, of the outer layer; a second titanium coating is arranged on the surface, close to the catalyst particle layer, of the inner layer, and a plurality of through holes are formed in the surface of the inner layer; the UVLED line light source is arranged in the transparent tube in a penetrating manner; the sealing sheets are arranged at the two ends of the transparent tube and are fixedly connected and communicated with the transparent tube; the side edge of the sealing piece is connected with the outer layer and the inner layer in a sealed mode. According to the VOC waste gas treatment structure, purification treatment of VOC in waste gas can be achieved only by modifying the air pipe, the treatment structure is simple, the cost is low, and the treatment efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely relates to a structure for VOC waste gas treatment. BACKGROUND

[0002] Waste gas emission refers to the pollutant in the waste gas discharged by the chimney or the exhaust pipe hole. It is a serious source of atmospheric environment pollution. Various waste gases discharged in the combustion and production process of industrial enterprises. The organic volatile matter in the coating is the main reason causing atmospheric pollution, and the pollution in the coating process is much more serious than that in the coating factory. In the coating production, the amount of solvent put into the atmosphere is not more than 2% of the solvent amount in the coating manufacturing, and the solvent volatilization in the ball milling method production process is less than 0.25%. However, in the coating process, with the difference of coating types and coating methods, the loss is from 20% to 80%.

[0003] At present, waste gas is generally purified by waste gas treatment, but the existing waste gas treatment device is complex in structure and high in device price, which leads to high cost.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] In view of the defects in the prior art, the utility model provides a structure for VOC waste gas treatment, which can realize the purification treatment of VOC in waste gas by only reforming the air pipe, and has simple treatment structure, low cost and high treatment efficiency; the structure for VOC waste gas treatment comprises an outer layer, a catalyst particle layer, an inner layer, a UVLED linear light source and a sealing sheet.

[0006] The catalyst particle layer is located between the outer layer and the inner layer, and transparent pipes are arranged at the middle positions of the catalyst particle layer.

[0007] A first titanium coating layer is arranged on the surface of the outer layer close to the catalyst particle layer.

[0008] A second titanium coating layer is arranged on the surface of the inner layer close to the catalyst particle layer, and a plurality of through holes are arranged on the surface of the inner layer.

[0009] The UVLED linear light source is arranged in the transparent pipe.

[0010] The sealing sheet is arranged at both ends of the transparent pipe and is fixedly connected and communicated with the transparent pipe; the side edges of the sealing sheet are sealingly connected with the outer layer and the inner layer respectively.

[0011] Preferably, the structure for VOC waste gas treatment is in the form of a sheet.

[0012] Preferably, the material of the catalyst particle layer is ferrous sulfate.

[0013] Preferably, the material of the outer layer and the inner layer is flexible material.

[0014] Preferably, the material of the first titanium coating and the second titanium coating is titanium element.

[0015] Preferably, the thickness of the catalyst particle layer is 0.5-2cm.

[0016] Preferably, the interval distance between two adjacent transparent tubes is 5-10cm.

[0017] The beneficial effects of the utility model lie in:

[0018] The utility model discloses a structure for VOC waste gas treatment can generate hydroxyl radical under the irradiation of ultraviolet light source, and the generated hydroxyl radical can enter the air pipe through the through hole on the inner layer surface and the opening on the air pipe and react with VOC in waste gas, convert VOC into carbon dioxide and other harmless small molecules, and achieve the purpose of waste gas purification. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0020] Figure 1 The structure schematic view of the structure for VOC waste gas treatment provided by an embodiment of the utility model is shown in the figure.

[0021] Figure 2 The sectional structure schematic view of the structure for VOC waste gas treatment provided by an embodiment of the utility model is shown in the figure.

[0022] In the drawings, 1 is the outer layer, 2 is the catalyst particle layer, 3 is the inner layer, 4 is the UVLED linear light source, 5 is the sealing sheet, 6 is the transparent tube, 7 is the first titanium coating, 8 is the second titanium coating, and 9 is the through hole. SPECIFIC EMBODIMENT

[0023] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, therefore only as an example, and cannot limit the protection scope of the utility model.

[0024] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be the usual meaning understood by the skilled person in the field to which the present application belongs.

[0025] The utility model provides a kind of for VOC waste gas treatment structure, as shown in Figure 1 、 Figure 2 The VOC waste gas treatment structure includes outer layer 1, catalyst particle layer 2, inner layer 3, UVLED linear light source 4 and sealing sheet 5.

[0026] Catalyst particle layer 2 is located between outer layer 1 and inner layer 3, and transparent tube 6 is arranged at the middle position of catalyst particle layer 2.

[0027] The surface of outer layer 1 close to catalyst particle layer 2 is provided with first titanium coating 7.

[0028] The surface of inner layer 3 close to catalyst particle layer 2 is provided with second titanium coating 8, and the surface of inner layer is provided with a plurality of through holes 9.

[0029] UVLED linear light source 4 is arranged in transparent tube 6.

[0030] Sealing sheet 5 is arranged at both ends of transparent tube 6, and is fixedly connected with transparent tube 6 and communicates. The side edges of sealing sheet 5 are sealingly connected with outer layer 1 and inner layer 2 respectively.

[0031] In an embodiment, the VOC waste gas treatment structure is sheet-shaped.

[0032] In an embodiment, the material of catalyst particle layer can be ferrous sulfate.

[0033] In an embodiment, the materials of outer layer 1 and inner layer 2 are flexible materials, which can be used to wrap air pipe.

[0034] In an embodiment, the materials of first titanium coating 7 and second titanium coating 8 can be titanium element.

[0035] In an embodiment, the thickness of catalyst particle layer can be 0.5-2cm.

[0036] In an embodiment, the interval distance of adjacent two transparent tubes 6 can be 5-10cm.

[0037] The use method of the VOC waste gas treatment structure of the utility model is as follows:

[0038] The utility model is used for VOC waste gas treatment structure (sheet shape) is wrapped on the air pipe, and is fixed, then the utility model is used for VOC waste gas treatment structure (sheet shape) seals the gap between the connecting place and the air pipe, then, the UVLED line light source is electrified, and the VOC in the waste gas in the air pipe can be purified.

[0039] The utility model is used for VOC waste gas treatment structure through the limitation of first titanium coating 7, second titanium coating 8, catalyst particle layer 2 and UVLED line light source 4, can generate hydroxyl radical under ultraviolet light source irradiation, the generated hydroxyl radical can enter the air pipe through the through -hole 9 of inner layer 3 surface and the opening set up on the air pipe and react with the VOC in the waste gas, and VOC is converted into carbon dioxide water and other harmless small molecules, reaches the purpose of waste gas purification.

[0040] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.

Claims

1. A structure for VOC exhaust gas treatment, characterized by, The structure for VOC waste gas treatment comprises an outer layer, a catalyst particle layer, an inner layer, a UVLED linear light source and a sealing sheet; The catalyst particle layer is located between the outer layer and the inner layer, and transparent tubes are arranged at the middle position of the catalyst particle layer; The outer layer is provided with a first titanium coating on the surface close to the catalyst particle layer; The inner layer is provided with a second titanium coating on the surface close to the catalyst particle layer, and the inner layer surface is provided with a plurality of through holes; The UVLED linear light source is arranged in the transparent tube; The sealing sheet is arranged at both ends of the transparent tube, and is fixedly connected and communicated with the transparent tube; the side edges of the sealing sheet are sealingly connected with the outer layer and the inner layer respectively.

2. The VOC off-gas treatment structure according to claim 1, wherein The structure for VOC waste gas treatment is sheet-shaped.

3. The VOC off-gas treatment structure according to claim 1, wherein The material of the catalyst particle layer is ferrous sulfate.

4. The VOC exhaust treatment structure according to claim 1, wherein The materials of the outer layer and the inner layer are flexible materials.

5. The VOC exhaust treatment structure according to claim 1, wherein The materials of the first titanium coating and the second titanium coating are titanium elements.

6. The VOC exhaust treatment structure according to claim 1, wherein The thickness of the catalyst particle layer is 0.5-2 cm.

7. The VOC exhaust treatment structure according to claim 1, wherein The interval distance between two adjacent transparent tubes is 5-10 cm.