CN211706386U - Volatile organic waste gas treatment system - Google Patents
Volatile organic waste gas treatment system Download PDFInfo
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- CN211706386U CN211706386U CN201922338077.0U CN201922338077U CN211706386U CN 211706386 U CN211706386 U CN 211706386U CN 201922338077 U CN201922338077 U CN 201922338077U CN 211706386 U CN211706386 U CN 211706386U
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Abstract
The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to volatile organic waste gas processing system, including waste gas collection unit, preprocessing unit, absorption processing unit, UV light oxidation unit, centrifugal fan, desorption fan and desorption exhaust-gas treatment unit, the waste gas collection unit the preprocessing unit UV light oxidation unit absorption processing unit with centrifugal fan loops through the pipe connection and forms the exhaust-gas treatment pipeline, the desorption fan the absorption processing unit with desorption exhaust-gas treatment unit loops through the pipe connection and forms desorption processing pipeline, be provided with the motorised valve among the absorption processing unit, the motorised valve controls respectively the exhaust-gas treatment pipeline with the break-make of desorption pipeline. Compared with the prior art, the utility model discloses can improve the treatment effect to volatile organic waste gas effectively, reduce the influence that the waste gas that discharges led to the fact human body and environment, the security and the reliability that reinforcing waste gas was administered.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to volatile organic waste gas treatment system.
Background
Volatile Organic Compounds (VOCs) are organic compounds having a saturated vapor pressure at room temperature of more than 70Pa and a boiling point at atmospheric pressure of 260 ℃ or less, or all organic compounds having a vapor pressure of 10Pa or more at 20 ℃ and having volatility. Generally, they are classified into non-methane hydrocarbons (NMHCs), oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like. VOCs participate in the formation of ozone and secondary aerosols in the atmospheric environment, which have important effects on regional atmospheric ozone pollution and PM2.5 pollution. Most VOCs have unpleasant special odor and have toxic, irritant, teratogenic and carcinogenic effects, and particularly benzene, toluene, formaldehyde and the like cause great harm to human health. VOCs are important precursors causing urban dust haze and photochemical smog and mainly come from the processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing and using and the like, and the work of preventing and controlling volatile organic compounds is always a difficult and complex task.
The volatile organic waste gas is treated by a single treatment technology, such as a combustion method, an activated carbon adsorption method, a UV catalysis method, a biological method and the like. However, ideal remediation requirements are often difficult and uneconomical to achieve using a single treatment.
Therefore, there is a need for a reasonable improvement of the above prior art to meet the actual production needs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects of the prior art, the provided volatile organic waste gas treatment system can effectively improve the treatment effect on volatile organic waste gas, reduce the influence of the discharged waste gas on human bodies and the environment, and enhance the safety and the reliability of waste gas treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a volatile organic waste gas processing system, includes waste gas collection unit, preprocessing unit, adsorbs the processing unit, UV photo-oxidation unit, centrifugal fan, desorption fan and desorption exhaust-gas treatment unit, the waste gas collection unit the preprocessing unit UV photo-oxidation unit adsorb the processing unit with centrifugal fan loops through the pipe connection and forms the exhaust-gas treatment pipeline, the desorption fan adsorb the processing unit with desorption exhaust-gas treatment unit loops through the pipe connection and forms desorption processing pipeline, be provided with the motorised valve in the absorption processing unit, the motorised valve controls respectively the exhaust-gas treatment pipeline with the break-make of desorption processing pipeline.
As right the utility model discloses in the volatile organic waste gas treatment system's improvement, be provided with the adsorbent in the absorption processing unit. The adsorbent is used for reprocessing the waste gas after the UV light oxidation unit treatment, further improves the treatment effect of the waste gas, and reduces the pollution of the waste gas emission to the environment.
As an improvement to the VOC waste gas treatment system of the present invention, the adsorbent is activated carbon fiber.
As an improvement to the VOC waste gas treatment system of the present invention, the pretreatment unit comprises a paint mist treatment device and a filter. The paint mist processor is used for removing mist such as paint mist, water mist and oil mist in the waste gas, and the filter is used for removing dust particles in the waste gas.
As to the utility model discloses in the volatile organic waste gas treatment system's improvement, the filter is for crossing in the arbitrary one in filter pulp, filter cloth and the stainless wire net.
As an improvement to the voc emission treatment system of the present invention, the UV light oxidation unit comprises a plurality of UV high-energy UV lamps. The UV high-energy ultraviolet lamp is used for generating UV light, so that some indissolvable organic components in the waste gas are decomposed, and the purification effect is improved.
As right the utility model discloses in the volatile organic waste gas treatment system's improvement, the wavelength of the UV light that UV high energy ultraviolet lamp adopted is 90 ~ 300 nm. By using UV light of this wavelength range, the insoluble component can be subjected to a synergistic decomposition oxidation reaction by excited ozone, and converted into water and carbon dioxide to purify the exhaust gas.
As right the utility model discloses in volatile organic waste gas processing system's improvement, the desorption fan is provided with the heater, the desorption wind does the absorption processing unit carries hot-blast. The desorption fan is used for producing hot air, and the hot air enters the adsorption treatment unit to heat the adsorbent in the adsorption treatment unit, so that desorption regeneration is carried out, and the service life of the adsorbent is prolonged.
As right the utility model discloses in volatile organic waste gas treatment system's improvement, desorption exhaust-gas treatment unit is the condenser, desorption exhaust-gas treatment unit connection has waste liquid recovery device. The desorbed waste gas is converted into liquid for recycling by using the condenser, so that the utilization of resources is improved.
As right the utility model discloses in the volatile organic waste gas treatment system's improvement, desorption exhaust-gas treatment unit is the combustor. When desorption waste gas does not have the retrieval and utilization value, the mode through the burning is handled desorption waste gas, in addition, for the utilization ratio of further improvement energy, the heat that produces through burning desorption waste gas can carry through the desorption fan circulation and carry the desorption in the absorption processing unit, has further improved the utilization of the energy.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model has the advantages that the pretreatment unit, the UV light oxidation unit and the adsorption treatment unit are arranged to respectively carry out triple purification treatment on the waste gas, thereby effectively improving the purification effect and reducing the influence of the discharged waste gas on the human body and the environment; in addition, but still form the pipeline of exhaust-gas treatment through waste gas collection unit, preprocessing unit, UV photooxidation unit, absorption processing unit and centrifugal fan, simultaneously, form the pipeline of desorption through desorption fan, absorption processing unit and desorption exhaust-gas treatment unit again for absorption processing unit can carry out the absorption of manifold cycles, has improved the life of absorption processing unit widely, has practiced thrift the cost of production.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided to explain the invention and not to constitute an undue limitation on the invention. In the drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
wherein, 1-an exhaust gas collection unit; 2-a pre-treatment unit; 3-a UV photooxidation unit; 4-an adsorption treatment unit; 5-centrifugal fan; 6-desorption fan; 7-desorption waste gas treatment unit; 8-waste liquid recovery device.
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.
Example 1
As shown in fig. 1, a volatile organic waste gas treatment system, including waste gas collection unit 1, preprocessing unit 2, UV photo-oxidation unit 3, adsorb processing unit 4, centrifugal fan 5, desorption fan 6 and desorption exhaust gas treatment unit 7, waste gas collection unit 1, preprocessing unit 2, UV photo-oxidation unit 3, adsorb processing unit 4 and centrifugal fan 5 and loop through the pipe connection and form the waste gas treatment pipeline, desorption fan 6, adsorb processing unit 4 and desorption exhaust gas treatment unit 7 and loop through the pipe connection and form the desorption processing pipeline, be provided with the motorised valve in the adsorption processing unit 4, the motorised valve controls the break-make of waste gas treatment pipeline and desorption processing pipeline respectively. The electric valve can be arranged at the inlet or the outlet of the adsorption treatment unit 4, and when the electric valve is in a waste gas treatment working state, the passages between the desorption fan 6 and the adsorption treatment unit 4 and between the adsorption treatment unit 4 and the desorption waste gas treatment unit 7 are closed, so that waste gas only flows along the waste gas treatment pipeline; and when the desorption device is in a desorption working state, the passages between the UV light oxidation unit 3 and the adsorption treatment unit 4 and between the adsorption treatment unit 4 and the centrifugal fan 5 are closed, so that the passage of a desorption treatment pipeline is ensured.
Preferably, an adsorbent is arranged in the adsorption treatment unit 4, wherein the adsorbent is activated carbon fiber. The adsorbent is used for reprocessing the waste gas after the UV light oxidation unit 3 is processed, so that the waste gas treatment effect is further improved, and the pollution of waste gas emission to the environment is reduced.
Preferably, the pretreatment unit 2 includes a paint mist treater and a filter, wherein the filter is any one of filter cotton, filter cloth and stainless steel wire mesh. The paint mist processor is used for removing mist such as paint mist, water mist, oil mist and the like in the waste gas, and the filter is used for removing dust particles in the waste gas.
Preferably, the UV light oxidation unit 3 includes a plurality of UV high-energy ultraviolet lamps, wherein the wavelength of UV light used by the UV high-energy ultraviolet lamps is 90 to 300 nm. The UV high-energy ultraviolet lamp is used to generate UV light to decompose some of the insoluble organic components in the exhaust gas, and the insoluble components are subjected to a synergistic decomposition oxidation reaction by excited ozone to convert them into water and carbon dioxide to purify the exhaust gas.
Preferably, the desorption fan 6 is provided with a heating wire, and the desorption fan 6 is used for conveying hot air to the adsorption treatment unit 4. The desorption fan 6 is used for producing hot air, and the hot air enters the adsorption treatment unit 4 to heat the adsorbent in the adsorption treatment unit 4, so that desorption regeneration is carried out, and the service life of the adsorbent is prolonged.
Preferably, the desorption waste gas treatment unit 7 is a condenser, and the desorption waste gas treatment unit 7 is connected with a waste liquid recovery device 8. The desorbed waste gas is converted into liquid for recycling through the condenser, and the utilization of resources is improved.
In the embodiment, when waste gas is treated, the waste gas treatment pipeline is opened through the electric valve, the desorption treatment pipeline is closed, the waste gas sequentially passes through the pretreatment unit 2, the UV photo-oxidation unit 3 and the adsorption treatment unit 4, and is finally discharged, wherein the pretreatment unit 2 is used for removing vaporific and granular pollutants in the waste gas, the UV photo-oxidation unit 3 is used for carrying out oxidative decomposition on some insoluble pollutants in the waste gas, and finally the adsorption treatment unit 4 is used for adsorption, so that the purification effect of the waste gas is greatly improved; and then control the motorised valve and cut off the exhaust-gas treatment pipeline when needing the desorption operation, open the desorption treatment pipeline, make the desorption processing unit 4 intensification desorption and retrieve the waste liquid through desorption fan 6, improved the utilization of resource.
Example 2
As shown in fig. 2, unlike embodiment 1, the desorption exhaust gas treatment unit 7 in this embodiment is a burner, and the other structure is the same as that of embodiment 1, and is not described again here.
Mainly used does not have the waste gas desorption of retrieval and utilization in this embodiment, burns through the waste gas after will desorbing and reaches the effect of administering, in addition, for the heat after further effectively utilizing desorption waste gas burning, can give desorption fan 6 with this part heat transport and use, reduces desorption fan 6's the power that generates heat, improves energy utilization.
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 (10)
1. A volatile organic waste gas treatment system, characterized in that: including waste gas collection unit (1), preprocessing unit (2), UV light oxidation unit (3), adsorb processing unit (4), centrifugal fan (5), desorption fan (6) and desorption exhaust-gas treatment unit (7), waste gas collection unit (1) preprocessing unit (2) UV light oxidation unit (3) adsorb processing unit (4) with centrifugal fan (5) loop through the pipe connection and form the exhaust-gas treatment pipeline, desorption fan (6) adsorb processing unit (4) with desorption exhaust-gas treatment unit (7) loop through the pipe connection and form the desorption processing pipeline, be provided with the motorised valve in adsorption processing unit (4), the motorised valve controls respectively the exhaust-gas treatment pipeline with the break-make of desorption processing pipeline.
2. The voc emission treatment system of claim 1, wherein: and an adsorbent is arranged in the adsorption treatment unit (4).
3. The voc emission treatment system of claim 2, wherein: the adsorbent is activated carbon fiber.
4. The voc emission treatment system of claim 1, wherein: the pretreatment unit (2) comprises a paint mist processor and a filter.
5. The voc emission treatment system of claim 4, wherein: the filter is any one of filter cotton, filter cloth and a stainless steel wire net.
6. The voc emission treatment system of claim 1, wherein: the UV light oxidation unit (3) comprises a plurality of UV high-energy ultraviolet lamps.
7. The voc emission treatment system of claim 6, wherein: the wavelength of the UV light adopted by the UV high-energy ultraviolet lamp is 90-300 nm.
8. The voc emission treatment system of claim 1, wherein: the desorption fan (6) is provided with a heating wire, and the desorption fan (6) is used for conveying hot air to the adsorption treatment unit (4).
9. The voc emission treatment system of claim 1, wherein: the desorption waste gas treatment unit (7) is a condenser, and the desorption waste gas treatment unit (7) is connected with a waste liquid recovery device (8).
10. The voc emission treatment system of claim 1, wherein: the desorption waste gas treatment unit (7) is a burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338077.0U CN211706386U (en) | 2019-12-23 | 2019-12-23 | Volatile organic waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338077.0U CN211706386U (en) | 2019-12-23 | 2019-12-23 | Volatile organic waste gas treatment system |
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| Publication Number | Publication Date |
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| CN211706386U true CN211706386U (en) | 2020-10-20 |
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| CN201922338077.0U Active CN211706386U (en) | 2019-12-23 | 2019-12-23 | Volatile organic waste gas treatment system |
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| CN (1) | CN211706386U (en) |
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