CN207430015U - Integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique - Google Patents
Integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique Download PDFInfo
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- CN207430015U CN207430015U CN201721514779.4U CN201721514779U CN207430015U CN 207430015 U CN207430015 U CN 207430015U CN 201721514779 U CN201721514779 U CN 201721514779U CN 207430015 U CN207430015 U CN 207430015U
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- photocatalysis
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Abstract
The utility model provides the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, VOC exhaust gas inlets are provided at the top of primary spraying box, level-one spray tube is installed, the level-one spray tube is connected with spray liquid circulating device inside the primary spraying box；The bottom of the primary spraying box is provided with separator-filter, and biological cleaning sink is equipped in the bottom of primary spraying box；The side of the primary spraying box is simultaneously provided with primary filter at the top of biological cleaning sink, and the primary filter is connected by the first pipeline with two level spray equipment；The two level spray equipment is connected by the second pipeline with membrane separation device；The first outlet of the membrane separation device is connected by the 3rd pipeline with photocatalysis apparatus, and the second outlet of the membrane separation device is connected by circulation line with the first pipeline.The VOC exhaust-gas treatments of high concentration and big flow can be used, and cost is effectively reduced while treatment effect is ensured.
Description
Technical field
The utility model belongs to VOC exhaust-gas treatments field, more particularly to the one based on photocatalysis and membrane separation technique
Change VOC exhaust treatment systems.
Background technology
The method of VOC exhaust-gas treatments mainly has two classes：Absorption method and null method.Absorption method mainly has charcoal absorption, transformation to inhale
Attached, condensation method and membrane separation technique, by physical method, with the side such as temperature, pressure, selective absorbent and permoselective membrane
Method separates VOC；Null method has thermal oxide, catalysis burning, biological oxidation and integrated technology, by chemistry or biochemical reaction, uses
Organic matter is transformed into CO2 and water by heat, catalyst and microorganism.
Wherein UF membrane is suitable for the VOC exhaust-gas treatments of big flow high concentration, however, to ensure that treatment effect is, it is necessary to adopt
It is handled with multistage UF membrane, although and use multilevel hierarchy high treating effect, its construction cost are higher；It is urged using light
Change the VOC exhaust-gas treatments that treatment process is suitable for low concentration and small flow, it is bad for the exhaust-gas treatment of high concentration.
Therefore, it is necessary to design one kind to reduce cost, and it can ensure the VOC exhaust treatment systems for the treatment of effeciency.
Utility model content
For solution more than technical problem, the utility model provides the integrated VOC based on photocatalysis and membrane separation technique and gives up
Gas processing system, this processing system can use the VOC exhaust-gas treatments of high concentration and big flow, and ensure treatment effect
Cost is effectively reduced simultaneously, ensure that treatment effeciency.
In order to realize above-mentioned technical characteristic, what the purpose of this utility model was realized in：Based on photocatalysis and film point
Integrated VOC exhaust treatment systems from technology, it includes primary spraying box, VOC is provided at the top of the primary spraying box
Exhaust gas inlet is equipped with level-one spray tube inside the primary spraying box, the level-one spray tube and spray liquid circulating device phase
Even；The bottom of the primary spraying box is provided with separator-filter, and biological cleaning sink is equipped in the bottom of primary spraying box；
The side of the primary spraying box is simultaneously provided with primary filter at the top of biological cleaning sink, the primary filter dress
It puts and is connected by the first pipeline with two level spray equipment；The two level spray equipment passes through the second pipeline and membrane separation device phase
Even；The first outlet of the membrane separation device is connected by the 3rd pipeline with photocatalysis apparatus, and the second of the membrane separation device
Outlet is connected by circulation line with the first pipeline.
The spray liquid circulating device includes spray liquid circulatory pool, and recirculated water is equipped with inside the spray liquid circulatory pool
Pump, the water outlet of the water circulating pump are connected with water main, the water main simultaneously with level-one spray tube and two level spray equipment
It is connected, and spray liquid is provided；Spray liquid supply pipe is installed at the top of the spray liquid circulatory pool.
The primary filter includes filter box, and the bottom of the filter box is staggeredly equipped with multilayer stainless steel and removes
Mist plate is provided with multilayer by-pass filtration sieve at the top of it.
The two level spray equipment includes sprayed tank, and the air inlet of the sprayed tank is connected with the first pipeline, and described first
Compressor on pipeline is installed, two level spray tube and secondary filtration sieve are installed from top to bottom in the inside of sprayed tank, it is described
Two level spray tube is connected with spray liquid circulating device.
The bottom of the sprayed tank is connected by spray liquid circulation pipe with spray liquid circulating device.
The photocatalysis apparatus includes photocatalysis babinet, is uniformly equipped in the bottom interior wall of the photocatalysis babinet ultraviolet
Lamp is provided with activated carbon adsorption net in the inside top of photocatalysis babinet, purified air discharge port is provided at the top of it.
Vacuum pump is installed on the circulation line.
The utility model has the advantages that：
1st, by using above-mentioned VOC exhaust treatment systems, by the way that spray-absorption technique, membrane separation process and light are urged
Chemical industry skill is effectively combined, and while ensure that clean-up effect, is improved purification efficiency, and is reduced cleaning system
The input of cost can widely be used in practice in engineering.Effectively solves conventionally employed single treatment technique institute
There are the defects of.
2nd, by being used cooperatively between primary spraying box and primary filter, VOC exhaust gas can be pre-processed,
After pretreating process, prepare for subsequent treatment process process.
3rd, by the biological cleaning sink, preliminary biological treatment can be carried out, and then ensure that at entire exhaust gas
Manage effect.
4th, spray process can be carried out again before membrane separation process is carried out, on the one hand by using two level spray equipment
Membrane separation device is protected, on the other hand can ensure the effect of membrane separation process.
5th, the exhaust gas of membrane separation device preliminary treatment can be cycled again by the vacuum pump and is sent to the first pipe
Road, and then circular treatment can be carried out, it treats that it carries out second of membrane separation, and then improves treatment effeciency.
6th, can the low concentration VOC exhaust gas after a membrane separation process be carried out final light by photocatalysis apparatus to urge
Change is handled, and then ensure that clean-up effect, meets emission request.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram.
In figure：VOC exhaust gas inlets 1, level-one spray tube 2, water main 3, primary spraying box 4, spray liquid supply pipe 5, Xun Huan
Water pump 6, spray liquid circulatory pool 7, separator-filter 8, biological cleaning sink 9, stainless steel demisting plate 10, filter box 11, level-one
Filter screen 12, the first pipeline 13, sprayed tank 14, two level spray tube 15, secondary filtration sieve 16, compressor 17, circulation line
18th, the second pipeline 19, membrane separation device 20, vacuum pump 21, the 3rd pipeline 22, photocatalysis babinet 23, ultraviolet lamp 24, activated carbon are inhaled
Attached net 25, purified air discharge port 26, spray liquid circulation pipe 27.
Specific embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1, the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, it includes primary spray
Case 4, the top of the primary spraying box 4 are provided with VOC exhaust gas inlets 1, level-one spray are equipped with inside the primary spraying box 4
Pipe 2, the level-one spray tube 2 are connected with spray liquid circulating device；The bottom of the primary spraying box 4 is provided with separator-filter
8, biological cleaning sink 9 is installed in the bottom of primary spraying box 4；The side of the primary spraying box 4 is simultaneously located at biological cleaning
The top of sink 9 is provided with primary filter, and the primary filter passes through the first pipeline 13 and two level spray equipment phase
Even；The two level spray equipment is connected by the second pipeline 19 with membrane separation device 20；The first of the membrane separation device 20 goes out
Mouthful it is connected by the 3rd pipeline 22 with photocatalysis apparatus, the second outlet of the membrane separation device 20 passes through circulation line 18 and the
One pipeline 13 is connected.The VOC exhaust-gas treatments of high concentration and big flow can be used by this processing system, and are ensureing processing effect
Cost is effectively reduced while fruit, ensure that treatment effeciency.
Further, the spray liquid circulating device includes spray liquid circulatory pool 7, the 7 inside peace of spray liquid circulatory pool
Equipped with water circulating pump 6, the water outlet of the water circulating pump 6 is connected with water main 3, the water main 3 simultaneously with level-one spray tube 2
It is connected with two level spray equipment, and spray liquid is provided；The top of the spray liquid circulatory pool 7 is equipped with spray liquid supply pipe 5.Work
During work, it can ensure the supply spray liquid of Xun Huan by spraying liquid circulating device, save cost, ensure that the effect of spray
Fruit.
Further, the primary filter includes filter box 11, and the bottom of the filter box 11 is staggered
There is multilayer stainless steel demisting plate 10, multilayer by-pass filtration sieve 12 is provided at the top of it.Primary filter can be to level-one
Exhaust gas after spray is filtered.
Further, the two level spray equipment includes sprayed tank 14, the air inlet and the first pipeline of the sprayed tank 14
13 are connected, and compressor 17 is equipped on first pipeline 13, are equipped with two level spray from top to bottom in the inside of sprayed tank 14
Pipe 15 and secondary filtration sieve 16, the two level spray tube 15 are connected with spray liquid circulating device.Two level spray equipment can be
It carries out carrying out spray process again before membrane separation process, on the one hand membrane separation device is protected, on the other hand can be protected
Demonstrate,prove the effect of membrane separation process.
Further, the bottom of the sprayed tank 14 is connected by spray liquid circulation pipe 27 with spray liquid circulating device.
Further, the photocatalysis apparatus includes photocatalysis babinet 23, in the bottom interior wall of the photocatalysis babinet 23
Ultraviolet lamp 24 is uniformly installed, the inside top of photocatalysis babinet 23 is provided with activated carbon adsorption net 25, is set at the top of it
There is purified air discharge port 26.By the photocatalysis apparatus, in the course of work, by the ultraviolet lamp 24 to primary at
Reason, and the VOC exhaust gas of low concentration carries out light-catalyzed reaction, and then carries out photocatalysis treatment to it, by after photocatalysis again
It is adsorbed by activated carbon adsorption net 25, absorption taste removal effectively is carried out to it, achieved the purpose that final purified treatment, and reach
To discharge standard.
Further, vacuum pump 21 is installed on the circulation line 18.It can be by membrane separation device by vacuum pump 21
The exhaust gas of 20 preliminary treatments cycles again is sent to the first pipeline 13, and then can carry out circular treatment, treats that it is carried out second
Membrane separation, and then improve treatment effeciency.
The use process of the utility model is as follows：
First, it would be desirable to which the VOC exhaust gas of processing enters primary spraying box 4 by VOC exhaust gas inlets 1, then is sprayed by level-one
Shower pipe 2 carries out spray process to it, and enters filter box 11, right by stainless steel demisting plate 10 and by-pass filtration sieve 12
It carries out preliminary filtration, purification, enters two level spray equipment by the first pipeline 13 afterwards, passes through two level spray equipment
Two level spray tube 15 and secondary filtration sieve 16 carry out two level spray process to it；
Then, membrane separation device 20 is entered, membrane separation, the gas of processing carry out it by membrane separation device 20
Into photocatalysis apparatus to the end；
Finally, by the ultraviolet lamp 24 in photocatalysis apparatus by the low concentration VOC exhaust gas after a membrane separation process into
The final photocatalysis treatment of row, and peculiar smell is adsorbed and removed ensure that clean-up effect by activated carbon adsorption net 25, and carry out
Discharge.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection domain.Equivalent substitution i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (7)
1. the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, it is characterised in that：It includes primary spray
Case（4）, the primary spraying box（4）Top be provided with VOC exhaust gas inlets（1）, the primary spraying box（4）Inside is equipped with
Level-one spray tube（2）, the level-one spray tube（2）It is connected with spray liquid circulating device；The primary spraying box（4）Bottom set
It is equipped with separator-filter（8）, in primary spraying box（4）Bottom biological cleaning sink is installed（9）；The primary spraying box
（4）Side and positioned at biological cleaning sink（9）Top be provided with primary filter, the primary filter passes through
One pipeline（13）It is connected with two level spray equipment；The two level spray equipment passes through the second pipeline（19）With membrane separation device（20）
It is connected；The membrane separation device（20）First outlet pass through the 3rd pipeline（22）It is connected with photocatalysis apparatus, the UF membrane
Device（20）Second outlet pass through circulation line（18）With the first pipeline（13）It is connected.
2. the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, feature exist according to claim 1
In：The spray liquid circulating device includes spray liquid circulatory pool（7）, the spray liquid circulatory pool（7）Inside is equipped with recirculated water
Pump（6）, the water circulating pump（6）Water outlet be connected with water main（3）, the water main（3）Simultaneously with level-one spray tube（2）
It is connected with two level spray equipment, and spray liquid is provided；The spray liquid circulatory pool（7）Top spray liquid supply pipe is installed
（5）.
3. the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, feature exist according to claim 1
In：The primary filter includes filter box（11）, the filter box（11）To be staggeredly equipped with multilayer stainless for bottom
Steel demisting plate（10）, multilayer by-pass filtration sieve is provided at the top of it（12）.
4. the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, feature exist according to claim 1
In：The two level spray equipment includes sprayed tank（14）, the sprayed tank（14）Air inlet and the first pipeline（13）It is connected, institute
State the first pipeline（13）On compressor is installed（17）, in sprayed tank（14）Inside two level spray tube is installed from top to bottom
（15）With secondary filtration sieve（16）, the two level spray tube（15）It is connected with spray liquid circulating device.
5. the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, feature exist according to claim 4
In：The sprayed tank（14）Bottom pass through spray liquid circulation pipe（27）It is connected with spray liquid circulating device.
6. the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, feature exist according to claim 1
In：The photocatalysis apparatus includes photocatalysis babinet（23）, the photocatalysis babinet（23）Bottom interior wall on be uniformly equipped with
Ultraviolet lamp（24）, in photocatalysis babinet（23）Inside top be provided with activated carbon adsorption net（25）, it is provided at the top of it net
Change air exhaust port（26）.
7. the integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique, feature exist according to claim 1
In：The circulation line（18）On vacuum pump is installed（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514779.4U CN207430015U (en) | 2017-11-14 | 2017-11-14 | Integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514779.4U CN207430015U (en) | 2017-11-14 | 2017-11-14 | Integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique |
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| Publication Number | Publication Date |
|---|---|
| CN207430015U true CN207430015U (en) | 2018-06-01 |
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ID=62289279
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721514779.4U Active CN207430015U (en) | 2017-11-14 | 2017-11-14 | Integrated VOC exhaust treatment systems based on photocatalysis and membrane separation technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052161A (en) * | 2019-04-08 | 2019-07-26 | 湘潭大学 | VOC photocatalysis treatment system |
| CN111145930A (en) * | 2019-12-16 | 2020-05-12 | 中国辐射防护研究院 | Simple and effective radioactive waste disposal cylinder |
-
2017
- 2017-11-14 CN CN201721514779.4U patent/CN207430015U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052161A (en) * | 2019-04-08 | 2019-07-26 | 湘潭大学 | VOC photocatalysis treatment system |
| CN111145930A (en) * | 2019-12-16 | 2020-05-12 | 中国辐射防护研究院 | Simple and effective radioactive waste disposal cylinder |
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