CN210448469U - Volatile organic waste gas treatment device - Google Patents
Volatile organic waste gas treatment device Download PDFInfo
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- CN210448469U CN210448469U CN201921025107.6U CN201921025107U CN210448469U CN 210448469 U CN210448469 U CN 210448469U CN 201921025107 U CN201921025107 U CN 201921025107U CN 210448469 U CN210448469 U CN 210448469U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model belongs to the technical field of waste gas treatment, in particular to a volatile organic waste gas treatment device, which comprises an induced draft fan, a dust filter chamber, a first spraying treatment chamber, a photochemical treatment chamber, a second spraying treatment chamber and a concentration detection chamber which are sequentially communicated through pipelines; the draught fan is provided with the air inlet, the photochemistry treatment chamber is provided with photodissociation district and photocatalytic oxidation district, the second sprays the filter and the multiaspect ball layer that are provided with the portion of spraying, a plurality of upper and lower setting side by side that are used for spraying ferrous ion solution in the treatment chamber, and is a plurality of the filter is located the below of the delivery port of the portion that sprays, the multiaspect ball layer is located the filter below, the concentration detection room is provided with the gas vent, be provided with control flap on the gas vent. Compared with the prior art, the utility model discloses organic pollutant's efficiency of getting rid of in can effectively improving waste gas to can effectively reduce ozone secondary pollution's production, reduce exhaust emission to atmospheric pollution.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, especially, relate to a volatile organic waste gas treatment device.
Background
Volatile organic compounds, VOCs for short, are a class of organic compounds that exist in the air as vapors at room temperature. Volatile organic compounds are an important pollution source of the atmosphere and have harm to human bodies, and mainly come from industrial waste gas, automobile exhaust and household fuel. In order to meet the requirement of environmental protection, the volatile organic waste gas needs to be treated before being discharged by a factory so as to reach the emission standard.
At present, the treatment methods of VOCs mainly comprise combustion methods, adsorption methods, condensation methods, absorption methods, biological methods, photocatalytic methods, low-temperature plasmas and the like. The combustion method is most widely applied, but is only suitable for combustible or high-temperature decomposable organic waste gas, and has higher equipment investment and operating cost; the adsorbent of the adsorption method is easily saturated and needs to be frequently replaced, or the regeneration treatment cost is high; the simple spray absorption method has poor effect on organic waste gas, only can remove partial organic matters and particulate matters in the waste gas, and is difficult to reach the emission standard; the biological method has the defects of unstable treatment effect, large occupied area, difficult start and the like. From the comparison of various technologies at present, photocatalysis is an organic waste gas treatment technology with a better development prospect; the principle is to use TiO2The photocatalysis process as the catalyst has mild reaction condition, rapid reaction, wide application range and lower investment and operation cost, but the device and the method for treating the organic waste gas by adopting the photocatalysis method in the prior art generally have secondary pollutant O3And the organic pollutants in the exhaust gas are not sufficiently decomposed.
Therefore, in order to solve the disadvantages in the prior art, it is necessary to develop a volatile organic waste gas treatment device with good purification effect, high efficiency and practicability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects of the prior art, the volatile organic waste gas treatment device is provided, the removal efficiency of organic pollutants in waste gas can be effectively improved, the generation of secondary ozone pollution can be effectively reduced, and the pollution of waste gas emission to atmosphere is reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a volatile organic waste gas treatment device comprises an induced draft fan, a dust filter chamber, a first spraying treatment chamber, a photochemical treatment chamber, a second spraying treatment chamber and a concentration detection chamber which are sequentially communicated through pipelines; the draught fan is provided with the air inlet, the photochemistry treatment chamber is provided with photodissociation district and photocatalytic oxidation district, the second sprays the filter and the multiaspect ball layer that are provided with the portion of spraying, a plurality of upper and lower setting side by side that are used for spraying ferrous ion solution in the treatment chamber, and is a plurality of the filter is located the below of the delivery port of the portion that sprays, the multiaspect ball layer is located the filter below, the concentration detection room is provided with the gas vent, be provided with control flap on the gas vent.
As a volatile organic waste gas treatment device's an improvement, textile fiber filter layer and active carbon adsorption layer have set gradually by last under to in the dust filter chamber.
As a volatile organic waste gas processing apparatus's an improvement, be provided with at least two sets of purifier that spray, every group by last under to in the first spray treatment chamber spray purifier and constitute, a plurality of shower head and otter board by spray arm, a plurality of spray head install in spray arm, the otter board is located the shower head below.
As an improvement of the volatile organic waste gas treatment device, the photolysis area and the photocatalytic oxidation area are provided with a flow equalizing plate therebetween.
As a volatile organic waste gas treatment device's an improvement, photodissociation district equipartition has a plurality of ultraviolet source, the inner wall in photocatalytic oxidation district is provided with the photocatalysis layer, the top central authorities in photocatalytic oxidation district also are provided with ultraviolet source.
As a volatile organic waste gas processing apparatus's an improvement, dust filter chamber with on the first pipeline that sprays between the process chamber first spray the process chamber with on the pipeline between the photochemical treatment chamber with the second spray on the pipeline between the process chamber and the second spray the process chamber with all be provided with velocity of flow test probe on the pipeline between the concentration detection room.
The beneficial effects of the utility model reside in that: the utility model provides a volatile organic waste gas treatment device, which comprises an induced draft fan, a dust filter chamber, a first spraying treatment chamber, a photochemical treatment chamber, a second spraying treatment chamber and a concentration detection chamber which are sequentially communicated through pipelines; the draught fan is provided with the air inlet, the photochemistry treatment chamber is provided with photodissociation district and photocatalytic oxidation district, the second sprays the filter and the multiaspect ball layer that are provided with the portion of spraying, a plurality of upper and lower setting side by side that are used for spraying ferrous ion solution in the treatment chamber, and is a plurality of the filter is located the below of the delivery port of the portion that sprays, the multiaspect ball layer is located the filter below, the concentration detection room is provided with the gas vent, be provided with control flap on the gas vent. On one hand, the photochemical treatment chamber of the utility model is divided into a photolysis area and a photooxidation catalysis area, volatile organic waste gas is fully decomposed in the photolysis area and then enters the photooxidation catalysis area to be catalyzed and oxidized, and the problem of incomplete decomposition in the prior art is solved; on the other hand, this practicalThe novel second spraying treatment chamber is used for spraying ferrous ion solution which can oxidize secondary pollutants O generated by photocatalytic oxidation3Reduction to O2Thereby solving the problem of air pollution caused by secondary pollutants. To sum up, the utility model discloses can effectively improve organic pollutant's among the waste gas efficiency of getting rid of to can effectively reduce ozone secondary pollution's production, reduce exhaust emission to atmospheric pollution.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-induced draft fan, 2-dust filter chamber, 3-first spray treatment chamber, 4-photochemical treatment chamber, 5-second spray treatment chamber, 6-concentration detection chamber, 7-control valve, 8-flow rate detection probe, 11-air inlet, 21-textile fiber filter layer, 22-activated carbon adsorption layer, 31-spray purification device, 41-photolysis zone, 42-photocatalytic oxidation zone, 43-flow equalization plate, 51-spray part, 52-filter plate, 53-polyhedral ball layer, 61-exhaust port, 311-spray arm, 312-spray head, 313-screen plate, 411-ultraviolet light source, 421-photocatalytic layer, 422-ultraviolet light source.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.
As shown in the figure, the volatile organic waste gas treatment device comprises an induced draft fan 1, a dust filter chamber 2, a first spraying treatment chamber 3, a photochemical treatment chamber 4, a second spraying treatment chamber 5 and a concentration detection chamber 6 which are sequentially communicated through pipelines; draught fan 1 is provided with air inlet 11, photochemical treatment room 4 is provided with photodissociation district 41 and photocatalytic oxidation district 42, the second sprays and is provided with the portion 51 that sprays that is used for spraying ferrous ion solution in the treatment chamber 5, a plurality of filter 52 and the multiaspect ball layer 53 that set up side by side from top to bottom, a plurality of filters 52 are located the below of the delivery port of the portion 51 that sprays, multiaspect ball layer 53 is located filter 52 below, concentration detection room 6 is provided with gas vent 61, be provided with control flap 7 on the gas vent 61. The multi-surface ball has the characteristics of small resistance and large surface area, and can increase the gas-liquid exchange area to ensure that O in the waste gas3The gas is fully reduced, dust is effectively removed, and the service life of subsequent equipment is prolonged.
Further, a textile fiber filter layer 21 and an activated carbon adsorption layer 22 are sequentially arranged in the dust filter chamber 2 from top to bottom. The textile fiber filter layer 21 and the activated carbon adsorption layer 22 filter the exhaust gas for a plurality of times, so that the exhaust gas is sufficiently purified, and most of dust substances are removed.
Furthermore, at least two groups of spraying purification devices 31 are arranged in the first spraying treatment chamber 3 from top to bottom, each group of spraying purification devices 31 consists of a spraying arm 311, a plurality of spraying heads 312 and a screen plate 313, the plurality of spraying heads 312 are arranged on the spraying arm 311, and the screen plate 313 is positioned below the spraying heads 312. The organic waste gas treated by the dust filtering chamber 2 is sent to the bottom of the first spraying treatment chamber 3, the waste gas contacts with the spraying liquid sprayed in the spraying arm 311 in the ascending process in the treatment chamber, on one hand, the spraying liquid performs neutralization reaction with alkaline or acidic gas in the waste gas to form salt which is easily soluble in water or insoluble in water, and the salt is taken out by the descending spraying liquid; on the other hand, the dust in the exhaust gas is collected, and after the dust is moistened with water, the dust stops ascending and is collected in the descending spray liquid, and the dust is discharged from the bottom of the first spray treatment chamber 3.
Further, a flow equalizing plate 43 is disposed between the photolysis zone 41 and the photocatalytic oxidation zone 42. The flow equalizing plate 43 is arranged to make the rate of the organic waste gas entering the photocatalytic oxidation area 42 uniform, so as to ensure that the organic waste gas can be sufficiently catalytically oxidized in the photocatalytic oxidation area 42.
Further, the photolysis region 41 is uniformly distributed with a plurality of ultraviolet light sources 411, the inner wall of the photocatalytic oxidation region 42 is provided with a photocatalytic layer 421, and the top center of the photocatalytic oxidation region 42 is also provided with an ultraviolet light source 422. The ultraviolet light source 411/422 is used to emit ultraviolet light to photolyze contaminants in the organic waste gas. The uniformly distributed ultraviolet light sources 411 can fully and thoroughly decompose the organic waste gas and then carry out catalytic oxidation, thereby improving the removal rate of pollutants.
Further, flow rate detection probes 8 are arranged on a pipeline between the dust filtering chamber 2 and the first spraying treatment chamber 3, a pipeline between the first spraying treatment chamber 3 and the photochemical treatment chamber 4, a pipeline between the photochemical treatment chamber 4 and the second spraying treatment chamber 5, and a pipeline between the second spraying treatment chamber 5 and the concentration detection chamber 6.
The utility model discloses a working process is: firstly, volatile organic waste gas enters an induced draft fan 1 from an air inlet 11; secondly, the volatile organic waste gas enters a dust filter chamber 2 from an induced draft fan 1, and the dust in the organic waste gasThe particles are filtered out; then, the volatile organic waste gas enters a first spraying treatment chamber 3, and is subjected to neutralization reaction under the action of a spraying liquid to remove acidic or alkaline gas in the volatile organic waste gas; then, the volatile organic waste gas enters the photochemical treatment chamber 4, is decomposed in the photolysis region 41 under the action of the ultraviolet light source 411, then enters the photocatalytic oxidation region 42 from the flow equalizing plate 43, and is oxidized under the action of the ultraviolet light source 422 and the photocatalytic layer 421; then, the volatile organic waste gas enters a second spraying processing chamber 5, wherein O is3Reduction reaction with ferrous ion, O3Is reduced to oxygen; finally, the volatile organic waste gas purified by the above multiple treatments enters the concentration detection chamber 6, when the detected concentration reaches the emission standard, the control valve 7 is opened, and the treated and purified volatile organic waste gas is discharged from the exhaust port 61. In the whole working process, the flow velocity of the volatile organic waste gas is monitored and controlled by the flow velocity detection probe 8, so that the concentration of the organic waste gas subjected to multiple treatment and purification can reach the emission standard, and if the concentration detection chamber 6 detects that the concentration of the organic waste gas exceeds the standard, the flow velocity of the volatile organic waste gas is slowed down in time.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides a volatile organic waste gas processing apparatus which characterized in that: the device comprises an induced draft fan, a dust filter chamber, a first spraying treatment chamber, a photochemical treatment chamber, a second spraying treatment chamber and a concentration detection chamber which are sequentially communicated through pipelines; the draught fan is provided with the air inlet, the photochemistry treatment chamber is provided with photodissociation district and photocatalytic oxidation district, the second sprays the filter and the multiaspect ball layer that are provided with the portion of spraying, a plurality of upper and lower setting side by side that are used for spraying ferrous ion solution in the treatment chamber, and is a plurality of the filter is located the below of the delivery port of the portion that sprays, the multiaspect ball layer is located the filter below, the concentration detection room is provided with the gas vent, be provided with control flap on the gas vent.
2. The voc emission treatment apparatus of claim 1, wherein: and a textile fiber filtering layer and an active carbon adsorption layer are sequentially arranged in the dust filtering chamber from top to bottom.
3. The voc emission treatment apparatus of claim 1, wherein: at least two groups of spraying purification devices are arranged in the first spraying treatment chamber from top to bottom, each group of spraying purification device comprises a spraying arm, a plurality of spraying heads and a screen plate, the plurality of spraying heads are arranged on the spraying arm, and the screen plate is positioned below the spraying heads.
4. The voc emission treatment apparatus of claim 1, wherein: a flow equalizing plate is arranged between the photolysis area and the photocatalytic oxidation area.
5. The voc emission treatment apparatus of claim 1, wherein: the photolysis zone is uniformly distributed with a plurality of ultraviolet light sources, the inner wall of the photocatalytic oxidation zone is provided with a photocatalytic layer, and the top center of the photocatalytic oxidation zone is also provided with the ultraviolet light sources.
6. The voc emission treatment apparatus of claim 1, wherein: flow speed detection probes are arranged on a pipeline between the dust filtering chamber and the first spraying treatment chamber, a pipeline between the first spraying treatment chamber and the photochemical treatment chamber, a pipeline between the photochemical treatment chamber and the second spraying treatment chamber and a pipeline between the second spraying treatment chamber and the concentration detection chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025107.6U CN210448469U (en) | 2019-07-03 | 2019-07-03 | Volatile organic waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025107.6U CN210448469U (en) | 2019-07-03 | 2019-07-03 | Volatile organic waste gas treatment device |
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| Publication Number | Publication Date |
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| CN210448469U true CN210448469U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921025107.6U Active CN210448469U (en) | 2019-07-03 | 2019-07-03 | Volatile organic waste gas treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618294A (en) * | 2020-12-11 | 2022-06-14 | 陕西青朗万城环保科技有限公司 | Ozone treatment method and control system thereof |
| WO2023193285A1 (en) * | 2022-04-06 | 2023-10-12 | 金发科技股份有限公司 | Waste gas treatment method and apparatus using same |
-
2019
- 2019-07-03 CN CN201921025107.6U patent/CN210448469U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618294A (en) * | 2020-12-11 | 2022-06-14 | 陕西青朗万城环保科技有限公司 | Ozone treatment method and control system thereof |
| WO2023193285A1 (en) * | 2022-04-06 | 2023-10-12 | 金发科技股份有限公司 | Waste gas treatment method and apparatus using same |
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