CN207307612U - A kind of photodissociation photocatalysis equipment for treating industrial waste gas - Google Patents
A kind of photodissociation photocatalysis equipment for treating industrial waste gas Download PDFInfo
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- CN207307612U CN207307612U CN201721330633.4U CN201721330633U CN207307612U CN 207307612 U CN207307612 U CN 207307612U CN 201721330633 U CN201721330633 U CN 201721330633U CN 207307612 U CN207307612 U CN 207307612U
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- photocatalysis
- photodissociation
- module
- industrial waste
- waste gas
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Abstract
The utility model discloses a kind of photodissociation photocatalysis equipment for treating industrial waste gas, the equipment for treating industrial waste gas includes housing (1), and housing (1) both ends are respectively equipped with air inlet and gas outlet；Air inlet and gas outlet with housing taper connection；In housing (1) filtering module (7), photodissociation module (2), buffer module (3), photocatalysis module (4) are set gradually along airflow direction；Gas flow equalization plate (6) is set between air inlet and filtering module (7).The apparatus structure is compact, and floor space is small, and configuration utilization rate is high, and degradation efficiency is good, and economy is good.
Description
Technical field
The utility model belongs to atmosphere pollution processing technology field, specifically, the utility model is related to a kind of photodissociation light and urges
Chemical industry emission-control equipment.
Background technology
In recent years, China's environmental problem protrude, atmosphere pollution situation is increasingly serious, industrial organic exhaust gas (VOCs) discharge into
One of pollution sources for atmosphere pollution most serious.VOCs is the general designation of volatile organic matter, mainly including non-methane total hydrocarbons, contain
The organic compounds such as oxygen organic compound.The VOCs and NO in air under ultraviolet irradiationxReaction, produces the secondary dirts such as ozone
Thing is contaminated, causes photochemical pollution.Wherein, n-hexane, heptane and octane can influence the central nervous system of people, polycyclic aromatic hydrocarbon and contain
Chlorine organic has carcinogenic, teratogenesis and mutagenicity.Benzo pollutants have the characteristics that discharge capacity is big, pollutes wide, difficult degradation,
Health and environment are caused to seriously endanger, therefore, control VOCs discharges imperative from source.
The treatment technology of industrial organic exhaust gas mainly includes heat damage method, activated carbon adsorption, photooxidation, plasma, life
Thing degraded etc..Due to the VOCs components of different enterprises discharge, concentration, temperature etc. there are larger difference and fluctuation range it is larger, lead
Cause prior art treatment effect bad, it is difficult to reach the minimum requirements of discharging standards.Photocatalysis technology is because having occupation of land face
Product is small, have a wide range of application, operating cost is low, small investment, do not produce the advantages such as secondary pollution and as the work with application potential
Industry VOCs treatment technology.
Photodissociation photocatalysis treatment device uses the monoblock type combining structure of " primarily efficient filter+photochemical catalytic oxidation " to industry at present
Organic exhaust gas is handled, and interception filtering is carried out to the particulate matter in the exhaust gas of collection, dust etc. by primarily efficient filter layer；Photocatalysis
Oxidation module handles the exhaust gas being separated, and pollutant is carried out using " high energy ultraviolet+catalysis material " combination
Decompose, eventually become small molecule, carbon dioxide and water and discharged.Industry photocatalytic oxidation device processing pollutant exists at present
The problem of be：1) off-gas flows for collection, which enter in photocatalytic oxidation device, cannot form effective diffusion area, greatly
Part directly can not effectively be played a role by intermediate catalyst layer, peripheral Catalytic Layer, cause configuration to waste, and efficiency is low；2) photodissociation
Photocatalysis combination is assembled in same device, and photodissociation can produce high-concentrated ozone using high energy ultraviolet, can disturb below light urge
Change decomposition efficiency, cause catalytic efficiency to reduce；3) catalysis material that photocatalysis module uses is most of for aluminium honeycomb base, metal
The titanium dioxide optical catalyst of net base, ceramic base even load, is prepared, Kong great, specific surface area are small, active using coating or gel method
The defects of position is few is low to the degradation efficiency of exhaust gas.Therefore, design and manufacture a kind of industrial volatility organic waste of efficient degradation processing
The photodissociation photocatalysis apparatus of gas is imperative.
Utility model content
The purpose of this utility model is that, there is provided a kind of photodissociation photocatalysis equipment for treating industrial waste gas, the apparatus structure are tight
Gather, floor space is small, and configuration utilization rate is high, and degradation efficiency is good, and economy is good.
To reach above-mentioned purpose, the utility model employs following technical solution：
A kind of photodissociation photocatalysis equipment for treating industrial waste gas, the equipment for treating industrial waste gas include housing 1,1 liang of housing
End is respectively equipped with air inlet and gas outlet；Air inlet and gas outlet with housing taper connection；Within the case 1 along airflow direction according to
Secondary setting filtering module 7, photodissociation module 2, buffer module 3, photocatalysis module 4；Gas is set between air inlet and filtering module 7
Body homogenizing plate 6.
Preferably, the housing 1 is straight-through structure, and shape is square column or cylinder.
Preferably, the gas flow equalization plate 6 is made of some pieces of fenestral fabrics, each fenestral fabric and gas stream
Dynamic direction is into different angles.
Specifically, the gas flow equalization plate 6 is by the identical or different rectangle of four block sizes, square or rhombus net trellis
Structure composition.Each fenestral fabric by two mutual cuttages of metallic plate together, wherein the fenestral fabric of four parts
Metallic plate, into different angles, and then makes each fenestral fabric and gas flow direction into not from gas flow direction
Same angle.Such fenestral fabric with different angle spreads the gas of process uniformly in the housing.
Preferably, the photodissociation module 2 is high energy ultraviolet lamp 8.
Preferably, the buffer module 3 is duct type structure or empty body structure.
Preferably, the photocatalysis module 4 includes photocatalysis net and ultraviolet source；Photocatalysis net includes support frame and height
Imitate nano-photocatalyst material.
It is further preferred that the distance between photocatalysis net and ultraviolet source are 3-10cm.
It is further preferred that efficient nano catalysis material is using nickel foam as carrier, uniform load nanometer titanium dioxide thereon
Titanium photochemical catalyst.
In the utility model, 1 side of housing is movable cabinet door, filtering module 7, photodissociation module 2, buffer module 3
It is drawing and pulling type structure with photocatalysis module 4.
In the utility model, the equipment for treating industrial waste gas further includes electric control system, for controlling photodissociation module 2
Shown with the switch and online data of photocatalysis module 4.
The photodissociation photocatalysis equipment for treating industrial waste gas of the utility model, including housing, gas flow equalization plate, filtering module
(primary efficient filter screen), photodissociation module, buffer module, photocatalysis module, electric control system.
The utility model uses through type cuboid shell mechanism, square gas flow equalization plate, filter layer, high energy ultraviolet lamp and
Catalysis material, base support feet 5 are fixed.Photodissociation photocatalysis apparatus appearance assumption diagram is shown in Fig. 1.It can be seen that in Fig. 1
Crust of the device is rectangle, and housing both ends are respectively equipped with air inlet and gas outlet, shape can be it is square or circular, air inlet and
Gas outlet with housing taper connection, to ensure that air-flow more uniformly passes through；Gas flow equalization is followed successively by from air inlet to gas outlet
Plate 6, filtering module 7, photodissociation module 2, buffer module 3, photocatalysis module 4.Crust of the device side is designed as movable cabinet door, interior
Portion's module is drawing and pulling type structure, in order to overhaul and safeguard；Electric control system is set on the outside of intermediate buffer, containing ultraviolet
Lamp ballast, digital display panel.
The gases used homogenizing plate of the utility model (Fig. 3) is located at exhaust gas entrance end, using unique design structure, from four
There is certain inclination angle in direction diffusion gas, each direction, different according to different device configuration size inclinations angle；Gas is equal
The setting of flowing plate can make exhaust gas uniformly diffuse to cavity whole cross section, not form vortex, so as to efficiently handle exhaust gas and cause
Configure the waste of resource.
The utility model uses buffer module as duct type or empty van body structure design, because photodissociation part uses high energy ultraviolet
Lamp waste gas decomposition can produce substantial amounts of ozone, have interference effect to photocatalysis Decomposition exhaust gas section, degradation efficiency is lower, and leads to
Subsequent treatment effect can not be influenced from consuming by crossing buffering area ozone.
The utility model is using photocatalysis module catalysis material containing efficient nano and ultraviolet source 9 (high energy ultraviolet fluorescent tube)
(Fig. 4), is designed using frame-type, while fluorescent tube and photocatalysis net both sides are fixed, and efficient nano catalysis material is according to difference
Size requirement have that the support frame (photocatalysis stainless steel frame 10 and photocatalysis net fixed plate 11) of different size is fixed, fluorescent tube
Distance with photocatalysis net is 3-10cm.
The utility model photodissociation photocatalysis apparatus purification exhaust process is as shown in Figure 2：The exhaust gas collected by collection conduit
Enter processing unit from air inlet, first pass through gas flow equalization plate, exhaust gas is uniformly diffused to the whole cavity cross-section of device；Secondly
By filtering module (primary efficient filter screen), the particle in exhaust gas, dust etc. are intercepted, effectively divided with organic exhaust gas
From；Exhaust gas by pretreatment, using high energy ultraviolet light irradiation, makes exhaust gas chain rupture resolve into small molecule by photodissociation module
Organic matter and partial CO 2 and water, finally enter photocatalysis module, by the light of high energy ultraviolet light irradiation by buffer module
Catalyst plays catalytic action, decomposition reaction is carried out to organic matter, thoroughly purification is carbon dioxide and water, is discharged with gas outlet.
The utility model photodissociation part uses high energy ultraviolet light irradiation exhaust gas, and using vacuum ultraviolet (185nm), destruction has
The chemical bond of machine emission molecule, is allowed to be cracked into the atom or group (C*, H*, O* etc.) of free state；It is mixed by cracking at the same time
The oxygen in air is closed, is allowed to form free oxygen atom and combine oxygen to form ozone.Ozone has strong oxidizing property, Neng Gouyu
Oxidation reaction occurs for the atom that organic exhaust gas is cleaved generation, ultimately generates water and carbon dioxide.
The catalysis material that the utility model uses using nano titanium dioxide photocatalyst as raw material, nickel foam for carrier into
Prepared by row, obtain efficient nano photochemical catalyst.This catalyst can uniform load, there is maximum specific surface area.Photocatalysis uses
254nm ultraviolet lamps are excitation source, excite the electronics (e in valence band-) conduction band is transitted to, corresponding hole (h is produced in valence band+), superoxide anion and hydroxyl radical free radical of the generation with extremely strong oxidation, benzene class, non-methane total hydrocarbons, stench etc. are aoxidized
Resolve into harmless CO2And H2O, achievees the purpose that to purify air, decomposes harmful organic substance；Also have the function of to eliminate the unusual smell at the same time, light
Catalyst can make an initiative sally, and discharge free radical always under light illumination, thus have the function of it is impayable make an initiative sally, reach complete
Orientation eliminates the unusual smell；And efficient nano photocatalysis can be to oxygenolysis such as exhaust gas, oneself does not change, and has long period of activity.
The performance of photochemical catalyst is related with light-receiving area, so the developing direction of photochemical catalyst is porous type, and needs
By on the carrier of the photocatalyst of porous type to bigger serface, and the photochemical catalyst of most of commercial uses light at present
Catalytically-active materials are loaded on the carriers such as aluminium honeycomb, metal mesh, porous ceramics, since the specific surface area of carrier is small, load capacity
Fewer, photocatalysis effect is poor；And the utility model is then to load to foam using the titanium dioxide technology of exclusive patented technology
On nickel, the nickel foam catalysis material, has larger specific surface area and less windage, so as to effectively reduce the power of device
With Energy in use, industrial waste gas processing is suitably applied.
Compared with prior art, the utility model has the following advantages：
Firstth, the photodissociation photocatalysis apparatus includes gas flow equalization plate, can by gas from import to reaction cavity because reducing produce
The problems such as raw air flow method is uneven, vortex phenomenon solves, and gas is uniformly diffused to cavity cross-section, improves treatment effeciency, keeps away
Exempt to configure the wasting of resources；
Secondth, the photodissociation photocatalysis apparatus employs the catalysis material of exclusive patented technology, has larger ratio surface
Product, purification efficiency is high, and exhaust-gas treatment is thorough, and itself does not change, service life length；
3rd, the photodissociation photocatalysis apparatus sets buffering area between photodissociation and photocatalysis module, can effectively handle photodissociation production
Interference of the raw ozone to light-catalyzed reaction, avoids the reduction of photocatalytic degradation efficiency；
4th, the photodissociation photocatalysis apparatus side uses movable cabinet door, easy to the cleaning and maintenance of the materials such as each module；
5th, the photodissociation photocatalysis apparatus is compact-sized, and floor space is small, adaptable, stable, easy maintenance,
Economy is strong.
The utility model photocatalysis uses efficient nano catalysis material, the wind containing larger specific surface area and very little
Resistance, it is high to volatile organic waste gas (VOCs) purification efficiency；Exhaust gas is uniformly spread using gas flow equalization plate in inlet, ensures gas
Body avoids the wasting of resources full of in cavity；Buffering area is set among photodissociation and photocatalysis, effectively solves the ozone pair that photodissociation section produces
The interference that photocatalysis section is decomposed；Compact-sized, floor space is small, and configuration utilization rate is high, and degradation efficiency is high, and economy is good.
Brief description of the drawings
Fig. 1 is the external structure of the utility model photodissociation photocatalysis equipment for treating industrial waste gas；
Fig. 2 is the cut-away view of the utility model photodissociation photocatalysis equipment for treating industrial waste gas；
Fig. 3 is the structure diagram of gas flow equalization plate；
Fig. 4 is the structure diagram of photocatalysis module；
Reference numeral：1- housings；2- photodissociation modules；3- buffer modules；4- photocatalysis modules；5- support feets；6- gases are equal
Flowing plate；7- filtering modules；8- high energy ultraviolet lamps；9- ultraviolet sources；10- photocatalysis stainless steel frames；11- photocatalysis nets are fixed
Plate.
Embodiment
The utility model is described in further detail with the drawings and specific embodiments below.
Embodiment 1
As shown in Figs 1-4, a kind of photodissociation photocatalysis equipment for treating industrial waste gas, the equipment for treating industrial waste gas include shell
Body 1,1 both ends of housing are respectively equipped with air inlet and gas outlet；Air inlet and gas outlet with housing taper connection；Within the case 1
Filtering module 7, photodissociation module 2, buffer module 3, photocatalysis module 4 are set gradually along airflow direction；In air inlet and filter module
Gas flow equalization plate 6 is set between block 7.
The housing 1 is straight-through structure, and shape is square column or cylinder.
The gas flow equalization plate 6 is by the identical or different rectangle of four block sizes, square or rhombus net grating texture group
Into.Each fenestral fabric by two mutual cuttages of metallic plate together, wherein make the grid-shaped metal plates of four parts with
Gas flow direction is into different angles.
The photodissociation module 2 is high energy ultraviolet lamp 8.
The buffer module 3 is duct type structure or empty body structure.
The photocatalysis module 4 includes photocatalysis net and ultraviolet source；Photocatalysis net includes support frame and efficient nano
Catalysis material.
The distance between photocatalysis net and ultraviolet source are 3-10cm.
Efficient nano catalysis material is using nickel foam as carrier, uniform load nano titanium dioxide photocatalyst thereon.
In the utility model, 1 side of housing is movable cabinet door, filtering module 7, photodissociation module 2, buffer module 3
It is drawing and pulling type structure with photocatalysis module 4.
In the utility model, the equipment for treating industrial waste gas further includes electric control system, for controlling photodissociation module 2
Shown with the switch and online data of photocatalysis module 4.
The photodissociation photocatalysis equipment for treating industrial waste gas of the utility model, including housing, gas flow equalization plate, filtering module
(primary efficient filter screen), photodissociation module, buffer module, photocatalysis module, electric control system.
The utility model uses through type cuboid shell mechanism, square gas flow equalization plate, filter layer, high energy ultraviolet lamp and
Catalysis material, base support feet 5 are fixed.Photodissociation photocatalysis apparatus appearance assumption diagram is shown in Fig. 1.It can be seen that in Fig. 1
Crust of the device is rectangle, and housing both ends are respectively equipped with air inlet and gas outlet, shape can be it is square or circular, air inlet and
Gas outlet with housing taper connection, to ensure that air-flow more uniformly passes through；Gas flow equalization is followed successively by from air inlet to gas outlet
Plate 6, filtering module 7, photodissociation module 2, buffer module 3, photocatalysis module 4.Crust of the device side is designed as movable cabinet door, interior
Portion's module is drawing and pulling type structure, in order to overhaul and safeguard；Electric control system is set on the outside of intermediate buffer, containing ultraviolet
Lamp ballast, digital display panel.
The gases used homogenizing plate of the utility model (Fig. 3) is located at exhaust gas entrance end, using unique design structure, from four
There is certain inclination angle in direction diffusion gas, each direction, different according to different device configuration size inclinations angle；Gas is equal
The setting of flowing plate can make exhaust gas uniformly diffuse to cavity whole cross section, not form vortex, so as to efficiently handle exhaust gas and cause
Configure the waste of resource.
The utility model uses buffer module as duct type or empty van body structure design, because photodissociation part uses high energy ultraviolet
Lamp waste gas decomposition can produce substantial amounts of ozone, have interference effect to photocatalysis Decomposition exhaust gas section, degradation efficiency is lower, and leads to
Subsequent treatment effect can not be influenced from consuming by crossing buffering area ozone.
The utility model is using photocatalysis module catalysis material containing efficient nano and ultraviolet source 9 (high energy ultraviolet fluorescent tube)
(Fig. 4), is designed using frame-type, while fluorescent tube and photocatalysis net both sides are fixed, and efficient nano catalysis material is according to difference
Size requirement have that the support frame (photocatalysis stainless steel frame 10 and photocatalysis net fixed plate 11) of different size is fixed, fluorescent tube
Distance with photocatalysis net is 3-10cm.
The utility model photodissociation photocatalysis apparatus purification exhaust process is as shown in Figure 2：The exhaust gas collected by collection conduit
Enter processing unit from air inlet, first pass through gas flow equalization plate, exhaust gas is uniformly diffused to the whole cavity cross-section of device；Secondly
By filtering module (primary efficient filter screen), the particle in exhaust gas, dust, coating cloud etc. are intercepted, had with organic exhaust gas
Effect separation；Exhaust gas by pretreatment, using high energy ultraviolet light irradiation, resolves into exhaust gas chain rupture small by photodissociation module
Molecular organic and partial CO 2 and water, finally enter photocatalysis module, by high energy ultraviolet light irradiation by buffer module
Photocatalysis play catalytic action, to organic matter carry out decomposition reaction, thoroughly purification be carbon dioxide and water, arranged with gas outlet
Go out.
It should be noted last that above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application.To the greatest extent
Pipe is described in detail the utility model with reference to embodiment, it will be apparent to an ordinarily skilled person in the art that to this practicality
New technical solution technical scheme is modified or replaced equivalently, without departure from the spirit and scope of technical solutions of the utility model, its
It should all cover among the right of the utility model.
Claims (10)
1. a kind of photodissociation photocatalysis equipment for treating industrial waste gas, it is characterised in that the equipment for treating industrial waste gas includes housing
(1), housing (1) both ends are respectively equipped with air inlet and gas outlet；Air inlet and gas outlet with housing taper connection；In housing
(1) filtering module (7), photodissociation module (2), buffer module (3), photocatalysis module (4) are set gradually along airflow direction in；Into
Gas flow equalization plate (6) is set between gas port and filtering module (7).
2. photodissociation photocatalysis equipment for treating industrial waste gas according to claim 1, it is characterised in that the housing (1) is
Straight-through structure, shape are square column or cylinder.
3. photodissociation photocatalysis equipment for treating industrial waste gas according to claim 1, it is characterised in that the gas flow equalization plate
(6) it is made of some pieces of fenestral fabrics, each fenestral fabric is from gas flow direction into different angles.
4. photodissociation photocatalysis equipment for treating industrial waste gas according to claim 1, it is characterised in that the photodissociation module
(2) it is high energy ultraviolet lamp.
5. photodissociation photocatalysis equipment for treating industrial waste gas according to claim 1, it is characterised in that the buffer module
(3) it is duct type structure or empty body structure.
6. photodissociation photocatalysis equipment for treating industrial waste gas according to claim 1, it is characterised in that the photocatalysis module
(4) photocatalysis net and ultraviolet source are included；Photocatalysis net includes support frame and efficient nano catalysis material.
7. photodissociation photocatalysis equipment for treating industrial waste gas according to claim 6, it is characterised in that photocatalysis net with it is ultraviolet
The distance between light source is 3-10cm.
8. photodissociation photocatalysis equipment for treating industrial waste gas according to claim 6, it is characterised in that efficient nano photocatalysis
Material is using nickel foam as carrier, uniform load nano titanium dioxide photocatalyst thereon.
9. according to claim 1-8 any one of them photodissociation photocatalysis equipment for treating industrial waste gas, it is characterised in that the shell
Body (1) side is movable cabinet door, and filtering module (7), photodissociation module (2), buffer module (3) and photocatalysis module (4) are
Drawing and pulling type structure.
10. according to claim 1-8 any one of them photodissociation photocatalysis equipment for treating industrial waste gas, it is characterised in that described
Equipment for treating industrial waste gas further includes electric control system, for control the switch of photodissociation module (2) and photocatalysis module (4) with
And data are shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330633.4U CN207307612U (en) | 2017-10-16 | 2017-10-16 | A kind of photodissociation photocatalysis equipment for treating industrial waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330633.4U CN207307612U (en) | 2017-10-16 | 2017-10-16 | A kind of photodissociation photocatalysis equipment for treating industrial waste gas |
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| CN207307612U true CN207307612U (en) | 2018-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686502A (en) * | 2018-07-20 | 2018-10-23 | 苏州方舟环保科技有限公司 | A kind of mating medical emission-control equipment |
| CN108854398A (en) * | 2018-07-24 | 2018-11-23 | 苏州水木康桥环境工程技术有限公司 | A kind of photolytic activity carbon purifying device |
-
2017
- 2017-10-16 CN CN201721330633.4U patent/CN207307612U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686502A (en) * | 2018-07-20 | 2018-10-23 | 苏州方舟环保科技有限公司 | A kind of mating medical emission-control equipment |
| CN108854398A (en) * | 2018-07-24 | 2018-11-23 | 苏州水木康桥环境工程技术有限公司 | A kind of photolytic activity carbon purifying device |
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