CN208599484U - Module type UV- nano-TiO for low-concentration organic exhaust gas processing2Photocatalysis apparatus - Google Patents
Module type UV- nano-TiO for low-concentration organic exhaust gas processing2Photocatalysis apparatus Download PDFInfo
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- CN208599484U CN208599484U CN201820115407.2U CN201820115407U CN208599484U CN 208599484 U CN208599484 U CN 208599484U CN 201820115407 U CN201820115407 U CN 201820115407U CN 208599484 U CN208599484 U CN 208599484U
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Abstract
The utility model discloses a kind of module type UV- nano-TiOs for low-concentration organic exhaust gas processing2Photocatalysis apparatus, tank body is interior to be equipped with several TiO2Nano-catalytic module, TiO2Nano-catalytic module is that TiO is adhered on surface2The unordered coiling of the silk thread of nano coating forms, and TiO2Nano-catalytic module is pressed into the cube structure of porous surface gap, TiO2Nano-catalytic module is equipped with a vertical UV lamp through hole, several TiO2Nano-catalytic module, in lateral and vertically aligned stacking, forms TiO in tank body2Nano-catalytic mould group, the TiO vertically stacked2The UV lamp through hole of nano-catalytic module collectively constitutes a UV lamp slot, and tank body is offered perforates correspondingly with UV lamp slot, and each perforation penetrates a UV lamp pipe, and UV lamp pipe penetrates UV lamp slot and is filled up completely UV lamp slot.The utility model has the advantages that structure is simple and convenient to operate, without subsequent contamination.
Description
Technical field
The utility model belongs to the technical field of exhaust-gas treatment, and in particular to the mould group for low-concentration organic exhaust gas processing
Formula UV- nano-TiO2Photocatalysis apparatus.
Background technique
Currently, environmental air pollution situation in China's becomes increasingly conspicuous, and occurs the frequency day of the heavily contaminateds phenomenon such as haze on a large scale
Benefit increases.Ozone and PM2.5 have become " arch-criminal " of urban air pollution, " prime culprit ", and VOCs (volatile organic contaminant)
It is then the common precursor object that the fine particles such as ozone and PM2.5 generate.VOCs has low concentration, highly toxic feature, referred to as " shadow
Sub- killer ".Therefore, the VOCs treatment containing volatile organic matter (VOCs) is studied, and has also gradually obtained increasing pass
Note.
At present mainly there is common technique in VOCs treatment: absorption method, absorption process, combustion method, condensation method, biology
Method and some emerging techniques such as lower temperature plasma technology, photocatalytic oxidation.Because processing depth requirements are higher,
When a kind of technique is not able to satisfy emission control requirement, also two or more common technology combination, such as absorption method+burning
Method, lower temperature plasma technology+activated carbon adsorption etc..When selecting specific treatment process and technical method, to regard in exhaust gas
Depending on the factors such as organic pollutant property, emission request, exhaust gas temperature, humidity and gas flow.Different technique is directed to phase
Same Organic Waste Gas Pollution object, treatment effeciency and cost etc. are different from, or even are had a long way to go.
UV- nano-TiO described in this patent2Treatment by Photocatalysis Oxidation organic exhaust gas, mainly for low-concentration organic exhaust gas
It is handled.Currently used low-concentration organic exhaust gas processing mode mainly active charcoal absorption, spray-absorption etc..But active carbon
The saturated activity charcoal that adsorbent equipment generates belongs to hazardous waste, and the useless absorbing liquid that spray-absorption method generates need to carry out subsequent processing,
It is mishandling to be all easy to produce secondary pollution, and increase enterprise operation cost.
Utility model content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide a kind of structure letter
Single, easy to operate module type UV- nano-TiO for low-concentration organic exhaust gas processing without subsequent contamination2Photocatalysis apparatus.
To realize the above-mentioned technical purpose, the technical solution that the utility model is taken are as follows:
Module type UV- nano-TiO for low-concentration organic exhaust gas processing2Photocatalysis apparatus, in which: including tank body, tank
Air inlet pipe is arranged in body left end, and escape pipe is arranged in right end, and low-concentration organic exhaust gas can enter in tank body from air inlet pipe, then through escape pipe
Outflow, tank body is interior to be equipped with several TiO2Nano-catalytic module, TiO2Nano-catalytic module is that TiO is adhered on surface2Nano coating
The unordered coiling of silk thread forms, and TiO2Nano-catalytic module is pressed into the cube structure of porous surface gap, TiO2Nano-catalytic
Module is equipped with a vertical UV lamp through hole, and UV lamp through hole upper end opening is in TiO2The upper surface middle part of nano-catalytic module,
Lower ending opening is in TiO2In the middle part of the lower surface of nano-catalytic module, several TiO2Nano-catalytic module in tank body laterally and
Vertically aligned stacking forms TiO2Nano-catalytic mould group, the TiO vertically stacked2The UV lamp through hole of nano-catalytic module is common
A UV lamp slot is formed, tank body is offered perforates correspondingly with UV lamp slot, and each perforation penetrates a UV lamp pipe, UV lamp pipe
It penetrates UV lamp slot and is filled up completely UV lamp slot.
To optimize above-mentioned technical proposal, the concrete measure taken further include:
Above-mentioned TiO2Nano-catalytic module is made of silk screen skeleton and wire packing, and silk screen skeleton is born by outer surface surface
Carry nano-TiO2Hard material composition, silk screen skeleton includes outer rack and interior rack, and silk screen skeleton constitutes TiO2Nano-catalytic mould
The outer surface of block, interior planar network architecture is at the wall surface of the hole of UV lamp through hole, and wire packing is by outer surface area load nano-TiO2Can
It is bent flexible material composition, wire packing is kneaded into the space that irregular bulk is filled between outer rack and interior rack.
It is connected by interface between escape pipe between in the middle part of above-mentioned air inlet pipe and tank body, in the middle part of tank body.
Above-mentioned tank body front is provided with dedusting socket, and pluggable dust removal filter can be inserted into tank body from dedusting socket
In, dust removal filter is located at air inlet pipe and TiO2Between nano-catalytic mould group, the low-concentration organic exhaust gas entered from air inlet pipe is passed through
Enter TiO after dust removal filter2In nano-catalytic mould group, dust removal filter fixes one or more layers nothing between double layer of metal net
The combined board structure of woven fabric or filter cotton.
Above-mentioned tank body is stainless steel structure, and inner surface is coated with reflectorized material.
Above-mentioned UV lamp pipe is the quartz burner of wavelength 185-254nm, caliber 15-20mm, length 200-1600mm, function
Rate 10-320W.
Above-mentioned silk screen skeleton is area load nano-TiO2Ceramics or glass material production, wire packing it is negative for surface
Carry nano-TiO2Wire, the side length of outer rack is 100mm, and the diameter of UV lamp pipe is 20mm to 50mm, TiO2Nano-catalytic mould
The light transmittance of block is not less than 75%.
The lower part of above-mentioned tank body is equipped with several supporting legs.
Above-mentioned TiO2The nano coating of nano-catalytic Modular surface attachment is anatase titanium dioxide and rutile type nano TiO2Mixing
Object, and anatase titanium dioxide: rutile-type ratio is 3:1.
One circle sealing ring of setting, sealing ring cooperate the aperture seal of UV lamp pipe and tank body in the perforation of above-mentioned tank body.
The utility model has the following beneficial effects:
(1) nano-TiO is utilized2High activity photohole and light induced electron are generated under ultraviolet light irradiation, forms oxidation-also
Substance system generates a large amount of high mars free radical after a series of possible reactions, to succession contained in organic exhaust gas into
Row oxygenolysis.Compared with the methods of activated carbon adsorption, spray-absorption, oxidizing process has carried out structural break to organic matter composition
It is bad, organic pollutant is decomposed relatively more thoroughly.
(2) compared with active carbon adsorption, it is not necessary to do dangerous waste disposition after regularly replacing the active carbon of adsorption saturation.Not only transport
Cost is relatively low for row, also avoids secondary pollution.
(3) compared with spray-absorption method, absorption liquid circulating device is not set, it is not necessary to consider the problems of liquid waste processing, replacement.
(4) with traditional UV- nano-TiO2Catalytic unit is compared, and tank inner surface is additionally arranged light reflecting material, is improved
Photocatalysis efficiency；By nano-TiO2Photocatalysis silk is made into screen net structure, further, can also be soft using hard silk screen as shell
Matter silk screen is filler, forms a rectangular module, there are one wear for UV lamp pipe (i.e. ultraviolet radiator) for this module centre
The hole crossed considerably increases the nano-TiO in module2The total length of photocatalysis silk improves the efficiency of module cleaning organic waste gas.
Module is also made into the square of 100mm side length by the utility model, and module can be stacked with intermodule, mutual by linking up with
It is fixed, a bigger mould group is formed, the length of this mould group, width can according to need to be changed by swap modules quantity
Become, applies mould group in various sizes of catalyzing tank, improve UV- nano-TiO2Photocatalysis screen net structure applies model
It encloses；Compared with traditional catalysis mould group, the nano-TiO of load2More, porosity is high, unit catalyst specific surface area is larger, urges
It is more preferable to change performance.
(5) the utility model flow arrangement is compact, and for entire processing system in a tank body, operational management is opposite
Simply.
Detailed description of the invention
Fig. 1 is the longitudinal sectional view of first embodiment；
Fig. 2 is the TiO of first embodiment2The structural schematic diagram of nano-catalytic module；
Fig. 3 is the top view of second embodiment；
Fig. 4 is the longitudinal sectional view of second embodiment；
Fig. 5 is the TiO of second embodiment2The structural schematic diagram of nano-catalytic module；
Fig. 6 is the top view of Fig. 5.
Appended drawing reference therein are as follows: tank body 1, air inlet pipe 11, escape pipe 12, interface 13, dedusting socket 14, supporting leg 15, close
Seal 16, TiO2Nano-catalytic module 2, UV lamp through hole 21, silk screen skeleton 22, outer rack 22a, interior rack 22b, wire packing
23, UV lamp pipe 3, dust removal filter 4.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
The UV photocatalytic semiconductor material of most study is metal oxide and chalkogenide such as TiO at present2、ZnO、CdS、
WO3、SnO2Deng wherein with TiO2It is the most commonly used.Research shows that: in anatase titanium dioxide TiO2And rutile TiO2Mixed proportion about 75:
When 25, nano-TiO2Photochemical catalytic oxidation ability it is most strong.
After ultraviolet excitation, nano-TiO2High activity photohole and light induced electron are generated, oxidationreduction body is formed
System, generates a large amount of high mars free radical after a series of possible reactions, in numerous free radicals, OH is main freedom
Base；Nano-TiO when photocatalysis2The hydroxylating on surface is the necessary condition of light-catalyzed reaction.The OH that photocatalysis generates is free
Base, is that reactivity is strongest in oxidant in the presence of having water, and to agent almost without selectivity.Photocatalytic mechanism can
It is expressed as follows:
TiO2+hv → h++e-
h++H2O→H++·OH
h++ OH-→·OH
2HO2˙→O2+H2O2
H2O2+O2 -→OH-+·OH+O2
The utility model is further described below combined with specific embodiments below.
First embodiment: as depicted in figs. 1 and 2,
The module type UV- nano-TiO for low-concentration organic exhaust gas processing of the utility model2Photocatalysis apparatus, in which:
Including tank body 1,1 left end of tank body is arranged air inlet pipe 11, and right end is arranged escape pipe 12, low-concentration organic exhaust gas can from air inlet pipe 11 into
Enter in tank body 1, then flowed out through escape pipe 12, several TiO are equipped in tank body 12Nano-catalytic module 2, TiO2Nano-catalytic module
2 adhere to TiO for surface2The unordered coiling of the silk thread of nano coating forms, and TiO2Nano-catalytic module 2 is pressed into porous surface
The cube structure of gap, TiO2Nano-catalytic module 2 is equipped with a vertical UV lamp through hole 21,21 upper end opening of UV lamp through hole
In TiO2The upper surface middle part of nano-catalytic module 2, lower ending opening is in TiO2In the middle part of the lower surface of nano-catalytic module 2, several
TiO2Nano-catalytic module 2, in lateral and vertically aligned stacking, forms TiO in tank body 12Nano-catalytic mould group, it is vertical to stack
TiO2The UV lamp through hole 21 of nano-catalytic module 2 collectively constitutes a UV lamp slot, and tank body 1 offers a pair of with UV lamp slot one
The perforation answered, each perforation penetrate a UV lamp pipe 3, and UV lamp pipe 3 penetrates UV lamp slot and is filled up completely UV lamp slot.
In embodiment, pass through interface 13 between 1 middle part of air inlet pipe 11 and tank body, between 1 middle part of tank body and escape pipe 12
Connection.
In embodiment, 1 front of tank body is provided with dedusting socket 14, and pluggable dust removal filter 4 can be from dedusting socket 14
It is inserted into tank body 1, dust removal filter 4 is located at air inlet pipe 11 and TiO2Between nano-catalytic mould group, enter from air inlet pipe 11 low
Concentration organic exhaust gas enters TiO after dust removal filter 42In nano-catalytic mould group, dust removal filter 4 is between double layer of metal net
The combined board structure of one or more layers non-woven fabrics or filter cotton is fixed, non-woven fabrics or filter cotton are used for organic exhaust gas dedusting, metal
Net is for fixing non-woven fabrics or filter cotton.Filter collector 4 is board plug type structure, from the intercalation reaction tank body of tank body outside, is used
In organic exhaust gas dedusting, can regularly replace.
In embodiment, tank body 1 is stainless steel structure, and inner surface is coated with reflectorized material.
In embodiment, UV lamp pipe 3 is the quartz burner of wavelength 185-254nm, caliber 15-20mm, length 200-
1600mm, power 10-320W.
In embodiment, silk screen skeleton 22 is area load nano-TiO2Ceramics or glass material production, wire packing 23
For area load nano-TiO2Wire, the side length of outer rack 22a is 100mm, and the diameter of UV lamp pipe 3 is 20mm to 50mm,
TiO2The light transmittance of nano-catalytic module 2 is not less than 75%, it is ensured that has enough surface area load nano-TiOs2Catalysis reaction is participated in,
Pass through simultaneously convenient for exhaust gas.Multiple catalytic modules are covered on 1 UV lamp pipe and fixed when use, final height and fluorescent tube one
It causes；It is all around successively filled up with other catalysis mould groups after all packaging.
In embodiment, the lower part of tank body 1 is equipped with several supporting legs 15.
In embodiment, TiO2The nano coating of 2 surface of nano-catalytic module attachment is anatase titanium dioxide and rutile type nano TiO2
Mixture, and anatase titanium dioxide: rutile-type ratio is 3:1.
One circle sealing ring 16 is set in embodiment, in the perforation of tank body 1, and sealing ring 16 makes the perforation of UV lamp pipe 3 Yu tank body 1
Sealing cooperation.
Second embodiment: as shown in Figures 3 to 6,
In embodiment, TiO2Nano-catalytic module 2 is made of silk screen skeleton 22 and wire packing 23, and silk screen skeleton 22 is by outer
Surface loads nano-TiO2Hard material composition, silk screen skeleton 22 include outer rack 22a and interior rack 22b, silk screen bone
Frame 22 constitutes TiO2The outer surface of nano-catalytic module 2, interior rack 22b constitute the wall surface of the hole of UV lamp through hole 21, wire packing
23 by outer surface area load nano-TiO2Flexible flexible material composition, wire packing 23 is kneaded into irregular bulk and is filled in
In space between outer rack 22a and interior rack 22b.
First embodiment and second embodiment the difference lies in that second embodiment uses the material of two kinds of different hardness
Make TiO2Nano-catalytic module 2 does skeleton with hard material, and soft material makees filler, the TiO produced2Nano-catalytic mould
2 structure of block is more stable, is unlikely to deform in transport, use, replacement process, the service life is longer.
The device processing organic exhaust gas containing ethyl alcohol and organic exhaust gas containing isooctane for being below the utility model as shown in Figure 1
When processing data:
Organic exhaust gas containing ethyl alcohol enters processing unit, air inlet concentration of alcohol 300mg/m under room temperature3, waste gas humidity is about
30%.In UV-- nano-TiO2Advance gas velocity 500m in Treatment by Photocatalysis Oxidation device3/ h, residence time 60s.Exhaust outlet ethyl alcohol is dense
Degree is reduced to 112mg/m3, removal efficiency reaches 62.67%.
Organic exhaust gas containing isooctane enters processing unit, air inlet isooctane concentration 50mg/m3, waste gas humidity about 40%.?
UV-- nano-TiO2Advance gas velocity 1000m in Treatment by Photocatalysis Oxidation device3/ h, residence time 45s.Exhaust outlet isooctane concentration
It is reduced to 11.6mg/m3, removal efficiency reaches 76.80%.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the protection scope of the utility model.
Claims (10)
1. the module type UV- nano-TiO for low-concentration organic exhaust gas processing2Photocatalysis apparatus, it is characterized in that: including tank body
(1), escape pipe (12) are arranged in the tank body (1) left end setting air inlet pipe (11), right end, and low-concentration organic exhaust gas can be from air inlet
It manages (11) to enter in tank body (1), then is flowed out through escape pipe (12), several TiO are equipped in the tank body (1)2Nano-catalytic
Module (2), the TiO2Nano-catalytic module (2) is that TiO is adhered on surface2The unordered coiling of the silk thread of nano coating forms, and
TiO2Nano-catalytic module (2) is pressed into the cube structure of porous surface gap, TiO2It is perpendicular that nano-catalytic module (2) is equipped with one
Straight UV lamp through hole (21), described UV lamp through hole (21) upper end opening is in TiO2The upper surface of nano-catalytic module (2)
Middle part, lower ending opening is in TiO2In the middle part of the lower surface of nano-catalytic module (2), several TiO2Nano-catalytic module (2) is in tank body
(1) in lateral and vertically aligned stacking in, TiO is formed2Nano-catalytic mould group, the TiO vertically stacked2Nano-catalytic module (2)
UV lamp through hole (21) collectively constitute a UV lamp slot, the tank body (1) is offered perforates correspondingly with UV lamp slot,
Each perforation penetrates a UV lamp pipe (3), and the UV lamp pipe (3) penetrates UV lamp slot and is filled up completely UV lamp slot.
2. the module type UV- nano-TiO according to claim 1 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: the TiO2Nano-catalytic module (2) is made of silk screen skeleton (22) and wire packing (23), the silk screen
Skeleton (22) is by outer surface area load nano-TiO2Hard material composition, the silk screen skeleton (22) includes outer rack
(22a) and interior rack (22b), the silk screen skeleton (22) constitute TiO2The outer surface of nano-catalytic module (2), interior rack
(22b) constitutes the wall surface of the hole of UV lamp through hole (21), and the wire packing (23) is by outer surface area load nano-TiO2's
Flexible flexible material composition, the wire packing (23) are kneaded into irregular bulk and are filled in outer rack (22a) and interior rack
In space between (22b).
3. the module type UV- nano-TiO according to claim 2 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: passing through between escape pipe (12) between in the middle part of the air inlet pipe (11) and tank body (1), in the middle part of tank body (1)
Interface (13) connection.
4. the module type UV- nano-TiO according to claim 3 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: described tank body (1) front is provided with dedusting socket (14), pluggable dust removal filter (4) can insert from dedusting
In mouth (14) insertion tank body (1), the dust removal filter (4) is located at air inlet pipe (11) and TiO2Between nano-catalytic mould group,
The low-concentration organic exhaust gas entered from air inlet pipe (11) enters TiO after dust removal filter (4)2It is described in nano-catalytic mould group
Dust removal filter (4) combined board structure of one or more layers non-woven fabrics or filter cotton is fixed between double layer of metal net.
5. the module type UV- nano-TiO according to claim 4 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: the tank body (1) is stainless steel structure, inner surface is coated with reflectorized material.
6. the module type UV- nano-TiO according to claim 1 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: the UV lamp pipe (3) is the quartz burner of wavelength 185-254nm, caliber 15-20mm, length 200-
1600mm, power 10-320W.
7. the module type UV- nano-TiO according to claim 5 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: the silk screen skeleton (22) is area load nano-TiO2Ceramics or glass material production, the silk screen
Filler (23) is area load nano-TiO2Wire, the side length of the outer rack (22a) is 100mm, UV lamp pipe (3)
Diameter is 20mm to 50mm, TiO2The light transmittance of nano-catalytic module (2) is not less than 75%.
8. the module type UV- nano-TiO according to claim 1 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: the lower part of the tank body (1) is equipped with several supporting legs (15).
9. the module type UV- nano-TiO according to claim 1 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: the TiO2The nano coating of nano-catalytic module (2) surface attachment is anatase titanium dioxide and rutile type nano TiO2
Mixture, and anatase titanium dioxide: rutile-type ratio is 3:1.
10. the module type UV- nano-TiO according to claim 1 for low-concentration organic exhaust gas processing2Photocatalysis apparatus,
It is characterized in that: one circle sealing ring (16) of setting, the sealing ring (16) make UV lamp pipe (3) in the perforation of the tank body (1)
Cooperate with the aperture seal of tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820115407.2U CN208599484U (en) | 2018-01-24 | 2018-01-24 | Module type UV- nano-TiO for low-concentration organic exhaust gas processing2Photocatalysis apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820115407.2U CN208599484U (en) | 2018-01-24 | 2018-01-24 | Module type UV- nano-TiO for low-concentration organic exhaust gas processing2Photocatalysis apparatus |
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| CN208599484U true CN208599484U (en) | 2019-03-15 |
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ID=65659342
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998881A (en) * | 2018-01-24 | 2018-05-08 | 环境保护部南京环境科学研究所 | A kind of module type UV- nano-TiOs for low-concentration organic exhaust gas processing2Photocatalysis apparatus |
| CN109772096A (en) * | 2019-03-21 | 2019-05-21 | 武汉科技大学 | A kind of bitumen fume purifying device |
| CN111826803A (en) * | 2020-07-01 | 2020-10-27 | 湖北环福塑料制品有限公司 | Production process of non-woven fabric with low material loss |
| CN113620486A (en) * | 2021-08-23 | 2021-11-09 | 塔里木大学 | Organic chemistry experiment sewage treatment plant |
-
2018
- 2018-01-24 CN CN201820115407.2U patent/CN208599484U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998881A (en) * | 2018-01-24 | 2018-05-08 | 环境保护部南京环境科学研究所 | A kind of module type UV- nano-TiOs for low-concentration organic exhaust gas processing2Photocatalysis apparatus |
| CN109772096A (en) * | 2019-03-21 | 2019-05-21 | 武汉科技大学 | A kind of bitumen fume purifying device |
| CN111826803A (en) * | 2020-07-01 | 2020-10-27 | 湖北环福塑料制品有限公司 | Production process of non-woven fabric with low material loss |
| CN113620486A (en) * | 2021-08-23 | 2021-11-09 | 塔里木大学 | Organic chemistry experiment sewage treatment plant |
| CN113620486B (en) * | 2021-08-23 | 2023-05-09 | 塔里木大学 | Sewage treatment device for organic chemistry experiment |
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