CN205392180U - Organic waste gas's photodissociation free radical equipment - Google Patents
Organic waste gas's photodissociation free radical equipment Download PDFInfo
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- CN205392180U CN205392180U CN201620163778.9U CN201620163778U CN205392180U CN 205392180 U CN205392180 U CN 205392180U CN 201620163778 U CN201620163778 U CN 201620163778U CN 205392180 U CN205392180 U CN 205392180U
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- photodestruciton
- exhaust gas
- catalysis mechanism
- equipment
- catalysis
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Abstract
The utility model discloses an organic waste gas's photodissociation free radical equipment, including processing apparatus, waste gas inlet pipe and make up gas export pipeline are installed respectively to both ends about processing apparatus, fixed mounting has photodestruciton catalysis mechanism group in the processing apparatus, photodestruciton catalysis mechanism group's air inlet with waste gas inlet pipe intercommunication, photodestruciton catalysis mechanism group's gas outlet with make up gas export pipeline intercommunication, photodestruciton catalysis mechanism group with be provided with impurity filtering device in the pipeline between the waste gas inlet pipe. Compared with the prior art, the utility model discloses having avoided existing the problem of the waste gas that is untreated in exhaust duct, having reached the abundant effect of degradation, organic waste gas's treatment effeciency is higher.
Description
Technical field
This utility model relates to VOCs treatment field, particularly relates to the photolized radicals equipment of a kind of organic exhaust gas.
Background technology
VOCs treatment refers to the process work that the organic exhaust gas produced in industrial processes is adsorbed, filters, purifies, and usual VOCs treatment has benzene homologues VOCs treatment, acetone butanone VOCs treatment, ethyl acetate exhaust-gas treatment and the mist of oil VOCs treatment such as formaldehyde VOCs treatment, benzene toluene dimethylbenzene.
The feature of VOCs treatment is: organic exhaust gas is usually present inflammable and explosive, poisonous and harmful, water insoluble, to be dissolved in organic solvent, intractability big.Commonly used when VOCs treatment is organic exhaust gas condensation absorption method, absorption method, direct combustion method, absorption process and biological degradation method etc..
At present, the processing method of organic exhaust gas exist granule density greatly cause process device blocking, degradation time deficiency cause can only Partial digestion, to the not treatable problem of long strand Organic substance and benzene homologues, therefore in prior art, the processing method of organic exhaust gas can not dispose organic exhaust gas completely, and treatment effeciency is low.
Utility model content
The purpose of this utility model is that the photolized radicals equipment providing a kind of organic exhaust gas in order to solve the problems referred to above.
This utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of photolized radicals equipment of organic exhaust gas, including processing device, the two ends, left and right of described process device are separately installed with exhaust gas entrance pipeline and new gas outlet conduit, photodestruciton catalysis mechanism group it is installed with in described process device, the air inlet of described photodestruciton catalysis mechanism group and described exhaust gas entrance pipeline communication, the gas outlet of described photodestruciton catalysis mechanism group connects with described new gas outlet conduit, is provided with device for filtering impurities in the pipeline between described photodestruciton catalysis mechanism's group and described exhaust gas entrance pipeline.
Preferably, described exhaust gas entrance pipeline and described new gas outlet conduit are pyramidal structure, the big footpath mouth of described exhaust gas entrance pipeline and described new gas outlet conduit docks with the air inlet of described photodestruciton catalysis mechanism group and gas outlet respectively, and described device for filtering impurities is fixedly mounted on the big footpath mouth of described exhaust gas entrance pipeline.
Preferably, described photodestruciton catalysis mechanism group includes the photodestruciton catalysis mechanism of plural serial stage, it is provided with dividing plate between photodestruciton catalysis mechanism described in often adjacent two-stage, define for by the passage of photodestruciton catalysis mechanism connection described in adjacent two-stage between described dividing plate with described process device, each described photodestruciton catalysis mechanism all includes two-layer catalyst gauze and two ultraviolet lamp tubes, catalyst gauze described in two-layer and two described ultraviolet lamp tubes and is staggered.
Preferably, each described ultraviolet lamp tube is fixed in described process device each through described dividing plate.
Preferably, each described ultraviolet lamp tube is the fluorescent tube of the ultraviolet light that can send 170nm-254nm wavelength period.
Preferably, the surface of each described catalyst gauze is all covered with Nano titanium dioxide.
Preferably, described photodestruciton catalysis mechanism group at least includes two-stage photodestruciton catalysis mechanism, and described in adjacent two-stage, the spacing between photodestruciton catalysis mechanism is identical, and the spacing between every grade of described in-house ultraviolet lamp tube of photodestruciton catalysis and catalyst gauze is identical.
The beneficial effects of the utility model are in that:
Compared with prior art, this utility model avoids the problem that there is untreated exhaust gas in discharge duct, reaches sufficient effect of degrading, and the treatment effeciency of organic exhaust gas is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the photolized radicals equipment of organic exhaust gas described in the utility model；
In figure: 1-processes device, 2-exhaust gas entrance pipeline, the new gas outlet conduit of 3-, 4-photodestruciton catalysis mechanism, 41-catalyst gauze, 42-ultraviolet lamp tube, 5-dividing plate, 6-device for filtering impurities.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, this utility model includes processing device 1, the two ends, left and right processing device 1 are separately installed with exhaust gas entrance pipeline 2 and new gas outlet conduit 3, process in device 1 and be installed with 4 groups of photodestruciton catalysis mechanism, the air inlet of 4 groups of photodestruciton catalysis mechanism connects with exhaust gas entrance pipeline 2, the gas outlet of 4 groups of photodestruciton catalysis mechanism connects with new gas outlet conduit 3, is provided with device for filtering impurities 6 in the pipeline between 4 groups of photodestruciton catalysis mechanism and exhaust gas entrance pipeline 2.
Exhaust gas entrance pipeline 2 and new gas outlet conduit 3 are pyramidal structure, the big footpath mouth of exhaust gas entrance pipeline 2 and new gas outlet conduit 3 docks with the air inlet of 4 groups of photodestruciton catalysis mechanism and gas outlet respectively, and device for filtering impurities 6 is fixedly mounted on the big footpath mouth of exhaust gas entrance pipeline 2.
4 groups of photodestruciton catalysis mechanism includes the photodestruciton catalysis mechanism 4 of plural serial stage, it is provided with dividing plate 5 between often adjacent two-stage photodestruciton catalysis mechanism 4, dividing plate 5 with process the passage defined between device 1 for adjacent two-stage photodestruciton catalysis mechanism 4 being connected, each photodestruciton catalysis mechanism 4 all includes two-layer catalyst gauze 41 and two ultraviolet lamp tubes 42, two-layer catalyst gauze 41 and two ultraviolet lamp tubes 42 and is staggered.
Each ultraviolet lamp tube 42 is fixed in process device 1 each through dividing plate 5.This case is not limited to ultraviolet lamp tube 42 at the mounting means processed in device 1; other mounting means such as can also be by clamping, be spirally connected; as long as the embodiment that ultraviolet lamp tube 42 is fixing in process device 1 can be realized; belong to the simple deformation to this case or conversion, fall in the protection domain of this case.
Each ultraviolet lamp tube 42 is the fluorescent tube of the ultraviolet light that can send 170nm-254nm wavelength period.The surface of each catalyst gauze 41 is all covered with Nano titanium dioxide.
In the present embodiment, 4 groups of photodestruciton catalysis mechanism at least includes two-stage photodestruciton catalysis mechanism 4, and the spacing between adjacent two-stage photodestruciton catalysis mechanism 4 is identical, and the spacing between ultraviolet lamp tube 42 and catalyst gauze 41 in every grade of photodestruciton catalysis mechanism 4 is identical.Adopt multi-stage light cracking and catalyzing mechanism 4, if the waste gas that previous stage has not processed in processing procedure, it is possible to the photodestruciton catalysis mechanism 4 flowed to rear stage processes, and which is prevented effectively from insufficient degraded of waste gas, reaches exhaust-gas treatment effect thoroughly.
In present case, organic exhaust gas is one or more in Ammonia, hydrogen sulfide, alcohol, triphen, hydrocarbon, aldehyde, trimethylamine.Certainly, waste gas can also is that some need organic exhaust gas to be processed such as other ethers, propylene and ethylenes etc..
Operation principle of the present utility model includes Four processes (in Fig. 1, arrow is waste water flow direction signal in processing device 1):
1, pretreatment: the source waste gas device for filtering impurities 6 by equipment, the bulky grain thing in waste gas can be intercepted by device for filtering impurities 6, thus ensureing that the technique processing device follow-up can stablize normal operation.
2, photodissociation: utilize ultraviolet lamp tube 42 to send high energy ultraviolet (containing 170nm-184.9nm wavelength period ultraviolet light), the energy that this fluorescent tube ultraviolet light has can directly destroy the chemical bond of organic gas molecule, so as to cracking forms the living radical group of free state, thus increasing the reactivity of organic gas molecule；Simultaneously by the oxygen in ultraviolet light cracking mixing air, so as to form free oxygen atom and in conjunction with generation ozone, this reaction equation is UV+O2 → O-+O* (active oxygen) and O+O2 → O3 (ozone).
3, photocatalysis: containing Nano titanium dioxide particle on catalyst gauze 41, when Nano titanium dioxide particle accepts the ultraviolet radiation that wavelength is below 388nm, generation hole-electron pair is excited owing to absorbing luminous energy inside it, i.e. photo-generated carrier, then move to rapidly its surface and activate adsorbed oxygen and free state living radical group, producing hydroxyl radical free radical (OH) and the superoxide anion free radical (O2-) of strong oxidizing property.
4, oxidoreduction: the hydroxyl radical free radical (OH) of strong oxidizing property, superoxide anion free radical (O2-), ozone are rolled into a ball with the living radical of organic gas when contacting, utilize its Strong oxdiative reproducibility, the directly C-C key in bombardment cracking organic exhaust gas, c h bond, C-N key and C-O key etc., complete a series of redox reaction, ultimately generate the innocuous gas such as CO2, H2O.
Advantage of the present utility model is in that:
1) device for filtering impurities 6 and photodestruciton catalysis mechanism 4 are set up, and photodestruciton catalysis mechanism 4 includes ultraviolet lamp tube 42 and catalyst gauze 41, in this design, the bulky grain thing in waste gas can be intercepted by device for filtering impurities 6, thus ensureing that the follow-up technique of equipment can stablize normal operation；
2) energy that ultraviolet lamp tube 41 has can directly destroy the chemical bond of organic gas molecule, so as to cracking forms the living radical group of free state, thus increasing the reactivity of organic gas molecule；Simultaneously by the oxygen in ultraviolet photolysis mixing air, so as to form free oxygen atom and in conjunction with generation ozone, to reach the effect of photodissociation；
3) catalyst gauze 41 can move to rapidly its surface and activate adsorbed oxygen and living radical group, to reach the effect of photolized radicals；
4) owing to photodestruciton catalysis mechanism is multipolarity design so that the waste gas in the non-photodestruciton catalysis of previous stage can process in next stage, to avoid there is untreated waste gas in processing device, to reach sufficient effect of degrading；
5) this utility model has use safety, VOCs treatment is complete, degraded is thoroughly abundant and treatment effeciency high；
6) this utility model is to internal unique layout, makes there is the more response time by organic exhaust gas of the present utility model, contacts widely with catalyst, to improve treatment effeciency.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included in protection domain of the present utility model.
Claims (7)
1. the photolized radicals equipment of an organic exhaust gas, it is characterized in that: include processing device, the two ends, left and right of described process device are separately installed with exhaust gas entrance pipeline and new gas outlet conduit, photodestruciton catalysis mechanism group it is installed with in described process device, the air inlet of described photodestruciton catalysis mechanism group and described exhaust gas entrance pipeline communication, the gas outlet of described photodestruciton catalysis mechanism group connects with described new gas outlet conduit, is provided with device for filtering impurities in the pipeline between described photodestruciton catalysis mechanism's group and described exhaust gas entrance pipeline.
2. the photolized radicals equipment of organic exhaust gas according to claim 1, it is characterized in that: described exhaust gas entrance pipeline and described new gas outlet conduit are pyramidal structure, the big footpath mouth of described exhaust gas entrance pipeline and described new gas outlet conduit docks with the air inlet of described photodestruciton catalysis mechanism group and gas outlet respectively, and described device for filtering impurities is fixedly mounted on the big footpath mouth of described exhaust gas entrance pipeline.
3. the photolized radicals equipment of organic exhaust gas according to claim 2, it is characterized in that: described photodestruciton catalysis mechanism group includes the photodestruciton catalysis mechanism of plural serial stage, it is provided with dividing plate between photodestruciton catalysis mechanism described in often adjacent two-stage, define for by the passage of photodestruciton catalysis mechanism connection described in adjacent two-stage between described dividing plate with described process device, each described photodestruciton catalysis mechanism all includes two-layer catalyst gauze and two ultraviolet lamp tubes, catalyst gauze described in two-layer and two described ultraviolet lamp tubes and is staggered.
4. the photolized radicals equipment of organic exhaust gas according to claim 3, it is characterised in that: each described ultraviolet lamp tube is fixed in described process device each through described dividing plate.
5. the photolized radicals equipment of organic exhaust gas according to claim 3, it is characterised in that: each described ultraviolet lamp tube is the fluorescent tube of the ultraviolet light that can send 170nm-254nm wavelength period.
6. the photolized radicals equipment of organic exhaust gas according to claim 3, it is characterised in that: the surface of each described catalyst gauze is all covered with Nano titanium dioxide.
7. the photolized radicals equipment of organic exhaust gas according to claim 3, it is characterized in that: described photodestruciton catalysis mechanism group at least includes two-stage photodestruciton catalysis mechanism, described in adjacent two-stage, the spacing between photodestruciton catalysis mechanism is identical, and the spacing between every grade of described in-house ultraviolet lamp tube of photodestruciton catalysis and catalyst gauze is identical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620163778.9U CN205392180U (en) | 2016-03-03 | 2016-03-03 | Organic waste gas's photodissociation free radical equipment |
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| CN201620163778.9U CN205392180U (en) | 2016-03-03 | 2016-03-03 | Organic waste gas's photodissociation free radical equipment |
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| CN205392180U true CN205392180U (en) | 2016-07-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861423A (en) * | 2017-02-20 | 2017-06-20 | 车继鲁 | A kind of organic gas catalyst oxidative system |
| CN107224857A (en) * | 2017-07-12 | 2017-10-03 | 红安方达环保工程有限公司 | A kind of waste gas photodissociation processing unit |
| CN109395525A (en) * | 2018-11-14 | 2019-03-01 | 谢响玲 | A kind of organic exhaust gas photocatalytic decomposition device |
| CN109925837A (en) * | 2018-11-14 | 2019-06-25 | 谢响玲 | A kind of organic exhaust gas photocatalysis Decomposition technique |
-
2016
- 2016-03-03 CN CN201620163778.9U patent/CN205392180U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861423A (en) * | 2017-02-20 | 2017-06-20 | 车继鲁 | A kind of organic gas catalyst oxidative system |
| CN107224857A (en) * | 2017-07-12 | 2017-10-03 | 红安方达环保工程有限公司 | A kind of waste gas photodissociation processing unit |
| CN109395525A (en) * | 2018-11-14 | 2019-03-01 | 谢响玲 | A kind of organic exhaust gas photocatalytic decomposition device |
| CN109925837A (en) * | 2018-11-14 | 2019-06-25 | 谢响玲 | A kind of organic exhaust gas photocatalysis Decomposition technique |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20200303 |
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| CF01 | Termination of patent right due to non-payment of annual fee |