CN206391827U - A kind of VOCs exhaust treatment systems - Google Patents
A kind of VOCs exhaust treatment systems Download PDFInfo
- Publication number
- CN206391827U CN206391827U CN201720012907.9U CN201720012907U CN206391827U CN 206391827 U CN206391827 U CN 206391827U CN 201720012907 U CN201720012907 U CN 201720012907U CN 206391827 U CN206391827 U CN 206391827U
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- China
- Prior art keywords
- treatment systems
- module
- exhaust treatment
- vocs exhaust
- vocs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 54
- 238000011282 treatment Methods 0.000 title claims abstract description 45
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- 238000000889 atomisation Methods 0.000 claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 19
- 238000007146 photocatalysis Methods 0.000 claims abstract description 13
- 230000001699 photocatalysis Effects 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 239000003054 catalyst Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 15
- 238000007254 oxidation reaction Methods 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 9
- 239000007921 spray Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004332 deodorization Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000027455 binding Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006196 drop Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of VOCs exhaust treatment systems, atomization absorption module is connected with turn from inlet end to exhaust end, module, adsorption module and chimney occur for photocatalysis.A kind of VOCs exhaust treatment systems disclosed in the utility model, it is adaptable to exhaust-gas treatment field.The utility model is intended to provide a kind of simple in construction, and easy to operate, energy-conservation is reliable, powerful and can be according to the VOCs exhaust treatment systems that disposal ability is adjusted the need for actual treatment concentration.
Description
【Technical field】
The utility model is related to a kind of VOCs exhaust treatment systems, it is adaptable to exhaust-gas treatment field.
【Background technology】
VOCs is the abbreviation of VOC, mainly including hydro carbons, aromatic hydrocarbons, alcohols, aldehydes, ketone, esters,
Amine, organic acid etc., mostly inflammable, explosive, volatile, highly toxic material, being directly discharged into air can be strong to environment and human body
Kang Zaocheng is seriously endangered.Industrial waste gas contains a large amount of VOCs waste gas, therefore the discharge of VOCs waste gas is carried out respective handling to subtract
Less or to eliminate harm of the VOCs to environmental and human health impacts imperative, however general enterprises are for most normal in the industry of VOCs waste gas
The direct processing mode seen is exactly active carbon adsorption technology because its be advantageous in that it is easy and effective, have the disadvantage to activated carbon consume
Very big, time length changes then its processing equipment not in time often turns into ornaments, it is therefore desirable to be replaced as frequently as activated carbon with
Keep its efficacy of adsorption.Some Enterprises also use photocatalysis oxidation technique and binding activity charcoal adsorption technology, but photocatalytic-oxidation
Change technology is often only applicable to the VOCs exhaust-gas treatments of low concentration, and its cost is not also low.During general high concentration, many enterprises
Will again be burnt treatment technology using waste gas, but when running into concentration of emission change such as enterprise production increase or reducing, waste gas
Processing of burning again just seems somewhat awkward, and processing of burning again often lifts production cost, and the requirement to equipment is also compared
It is stricter.
Therefore a kind of reliable VOCs exhaust treatment systems of energy-conservation arise at the historic moment.
【Utility model content】
The utility model purpose be overcome the deficiencies in the prior art there is provided one kind it is simple in construction, easy to operate, energy-conservation can
Lean on, it is powerful and can be according to the VOCs exhaust treatment systems that disposal ability is adjusted the need for actual treatment concentration.
The utility model is achieved through the following technical solutions：
A kind of VOCs exhaust treatment systems, it is characterised in that：It is connected with atomization absorption mould in turn from inlet end to exhaust end
Module, adsorption module and chimney occur for block, photocatalysis.
VOCs exhaust treatment systems as described above, it is characterised in that the atomization absorption module includes atomization absorption tower,
Atomising device and demister are provided with the atomization absorption tower from bottom to top.
VOCs exhaust treatment systems as described above, it is characterised in that the atomising device is uniformly distributed including at least one set
Nozzle, the demister be a mesh mist eliminator.
VOCs exhaust treatment systems as described above, it is characterised in that the atomising device is externally connected with automatic liquid matching dress
Put, the automatic solution proportioning apparatus is connected with online dosing tank.
VOCs exhaust treatment systems as described above, it is characterised in that module occurs for the photocatalysis including multiple detachable
Catalyst module, the catalyst module is built with nano-TiO catalyst material.
VOCs exhaust treatment systems as described above, it is characterised in that the adsorption module includes multiple dismountable absorption
Module, the absorption module is built with active carbon adsorption material.
VOCs exhaust treatment systems as described above, it is characterised in that also including the blower fan for pressurized exhaust gas.
The assembling position is located at the inlet end of chimney.
Compared with prior art, the utility model has the following advantages：
1. VOCs exhaust treatment systems described in the utility model and its processing method use " decoction absorption+photocatalytic-oxidation
The combination technique of change+charcoal absorption " causes VOCs exhaust treatment efficiencies to greatly promote, and can effectively reduce catalyst and work
The usage amount of property charcoal, reduces processing cost；
2. VOCs exhaust treatment systems described in the utility model can according to actual treatment amount regulating liquid medicine concentration so as to
The VOCs exhaust-gas treatment scopes of whole system are increased, and then optimize ERM configuration, cost is reduced；
3. VOCs exhaust treatment systems described in the utility model, which employ catalyst and the modularized design of activated carbon, to be made
The time for obtaining midway shutdown conversion materials shortens dramatically, and effectively improves the availability and efficiency of the system；
4. VOCs exhaust treatment systems described in the utility model employ online dosing tank, decoction can be continuously added,
Therefore the problem of being not required to consider to shut down because of no decoction；
【Brief description of the drawings】
Fig. 1 is the structural representation of VOCs exhaust treatment systems described in the utility model.
【Embodiment】
Embodiment of the present utility model is elaborated below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of VOCs exhaust treatment systems that the utility model is related to, connect successively from inlet end to exhaust end
Atomization absorption module 1 is connected to, module 2, adsorption module 3 and chimney 4 occur for photocatalysis.
Specifically, the atomization absorption module 1 includes setting from bottom to top in atomization absorption tower 10, the atomization absorption tower 10
There are atomising device 102 and demister 103, the atomising device 102 includes at least one set of equally distributed nozzle, the demisting
Device (103) is a mesh mist eliminator.The equally distributed spray group forms nozzle sets, concretely two groups, is vertically located at atomization
In absorption tower 10.
The atomising device 102 is externally connected with automatic solution proportioning apparatus 11, and the automatic solution proportioning apparatus 11 is connected with online add
Medicine-chest 12, the automatic solution proportioning apparatus 11 is connected to running water, be internally provided with can automatic mixing liquor strength control unit.
The automatic solution proportioning apparatus 11 and online dosing tank 12 are each provided at the outside of atomization absorption tower 10, to facilitate user to set concentration and add
Medicament.The automatic solution proportioning apparatus 11 can adjust the active compound agent of online dosing tank 12 and matching somebody with somebody for running water according to the setting concentration of user
Than and then realizing automatic mixing liquor strength so that user can according to VOCs waste gas actual treatment amount regulating liquid medicine concentration from
And the VOCs exhaust-gas treatment scopes of whole system are increased, and then ERM configuration is optimized, reduce cost.
Module 2, which occurs, for the photocatalysis includes multiple dismountable catalyst modules 20, and the catalyst module 20 is built-in
There is nano-TiO2Catalyst material.The adsorption module 3 is included in multiple dismountable absorption modules 30, the absorption module 30
Equipped with active carbon adsorption material.The nano-TiO2Catalyst material and active carbon adsorption material are set by using modularization
Meter causes the time that conversion materials are shut down in midway to shorten dramatically, and effectively improves the availability and efficiency of the system.
VOCs exhaust treatment systems described in the utility model also include blower fan 5.The blower fan is common air blower, and it sets
The front end of exhaust end such as chimney 4 of the seated position except being arranged on the system, can also be located at the inlet end of the system, or set
In the centre of the system, it acts on mainly by the exhaust gas speed-raising of processing and is finally discharged to air.
A kind of VOCs waste gas processing methods, comprise the following steps：
A. atomization absorption：VOCs waste gas enters atomization absorption module from air inlet pipe, the decoction spray through atomization, dust and big
Part VOCs waste gas is absorbed, then is handled through demisting, and part VOCs waste gas flows to photocatalysis and occurs module；
B. photochemical catalytic oxidation：The untreated part VOCs waste gas of step a occurs in module through photochemical catalytic oxidation in photocatalysis
Hydrolysis process, untreated tail gas flows to adsorption module；
C. adsorb：The untreated tail gas of step b carries out adsorption treatment in adsorption module by activated carbon；
D. it is vented：Up to standard gases of the step c after adsorption treatment is discharged in air through chimney.
Wherein, the decoction of the step a is matched somebody with somebody for user according to its actual treating capacity by the setting of automatic solution proportioning apparatus
The oxidation deodorization solution put, the oxidation deodorization solution takes multigroup vertical spray mode in atomization absorption device.The oxidation
Deodorization solution can also be recycled after spray.The step b and c uses modular catalyst and activated carbon processing side
Formula, the catalyst is nano-TiO2。
Operation principle of the present utility model is as follows：
VOCs waste gas enters atomization absorption tower 10 from air inlet pipe 101, and the VOCs waste gas flows through atomization from bottom of towe from bottom to top
Device 102, herein by decoction atomizing spray absorb, and the decoction of the atomization be then online dosing tank 12 active compound agent and
Running water is formed by the proportioning of automatic solution proportioning apparatus 11, then it is pressurized it is defeated to atomising device 102 and form the decoction of atomization, it is described
VOCs waste gas is rapid to produce polymerization, suction-operated by forming mixture after atomising device 102, and be converted into nontoxic odorless and
Free of contamination material, while some graininess dust are also adhered to the decoction surface of atomization.The mixture is continued flow upwardly through
Demister 103, herein mixture be trapped and gradually form drop-wise liquid, with the accumulation of drop, under gravity
Naturally drip, recycled through bottom of towe.
Untreated complete VOCs waste gas enters photocatalysis generation module 2, VOCs now after being absorbed through atomizing spray
Exhaust gas concentration is relatively low, entirely appropriate Treatment by Photocatalysis Oxidation, therefore the loss to catalyst becomes very low, and VOCs waste gas exists herein
Nano-TiO2CO is oxidized under the catalysis of catalyst and the irradiation of ultraviolet light2And H2O, simultaneous reactions, which generate some, peculiar smell
Byproduct gas.
Tail gas after photochemical catalytic oxidation enters adsorption module 3, herein by charcoal absorption, very small amount residual
VOCs waste gas and some gas with foreign flavor are adsorbed in activated carbon surface.So after being purified by three-level, gas up to standard is again through cigarette
Chimney 4 is discharged.
The catalyst and activated carbon of prior art and processing system described in the utility model are consumptive material, are using one section
It is accomplished by changing after time, when not taking medical liquid atomizing of the present utility model to absorb, the replacement frequency of the consumptive material is：Photocatalysis
Average 1 year/time of agent, activated carbon January/time；And replacement frequency of the present utility model is：Year/time of photochemical catalyst 3~5, activated carbon
0.5~1 year/time, the consumptive material service life is greatly prolonged.And generally require shutdown 2~3 when changing consumptive material in the prior art
My god, and it is small to take the catalyst module of modularized design of the present utility model and the replacing construction of absorption module then to shorten to 2~6
When, the replacement cycle reduces significantly.In addition, the decoction needed for atomizing spray is continuous consumptive material, it can be carried out by online dosing tank
Online filling, thus without stopping production.The conjunction that the utility model passes through " decoction absorption+photochemical catalytic oxidation+charcoal absorption " 3 technologies
Reason combination causes VOCs exhaust treatment efficiencies to greatly promote, and can also effectively reduce the usage amount of catalyst and activated carbon, drops
Low processing cost, is that energy-conservation is reliable.
Claims (8)
1. a kind of VOCs exhaust treatment systems, it is characterised in that：It is connected with atomization absorption module in turn from inlet end to exhaust end
(1), module (2), adsorption module (3) and chimney (4) occur for photocatalysis.
2. VOCs exhaust treatment systems according to claim 1, it is characterised in that the atomization absorption module (1) includes mist
Change absorption tower (10), be provided with atomising device (102) and demister (103) in the atomization absorption tower (10) from bottom to top.
3. VOCs exhaust treatment systems according to claim 2, it is characterised in that the atomising device (102) is included at least
One group of equally distributed nozzle, the demister (103) is a mesh mist eliminator.
4. VOCs exhaust treatment systems according to claim 2, it is characterised in that the atomising device (102) is externally connected with
Automatic solution proportioning apparatus (11), the automatic solution proportioning apparatus (11) is connected with online dosing tank (12).
5. VOCs exhaust treatment systems according to claim 1, it is characterised in that module (2), which occurs, for the photocatalysis includes
Multiple dismountable catalyst modules (20), the catalyst module (20) is built with nano-TiO2Catalyst material.
6. VOCs exhaust treatment systems according to claim 1, it is characterised in that the adsorption module (3) include it is multiple can
The absorption module (30) of dismounting, the absorption module (30) is built with active carbon adsorption material.
7. VOCs exhaust treatment systems according to claim 1, it is characterised in that also including the blower fan for pressurized exhaust gas
(5)。
8. VOCs exhaust treatment systems according to claim 7, it is characterised in that blower fan (5) installation site is located at cigarette
The inlet end of chimney (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012907.9U CN206391827U (en) | 2017-01-05 | 2017-01-05 | A kind of VOCs exhaust treatment systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012907.9U CN206391827U (en) | 2017-01-05 | 2017-01-05 | A kind of VOCs exhaust treatment systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206391827U true CN206391827U (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720012907.9U Expired - Fee Related CN206391827U (en) | 2017-01-05 | 2017-01-05 | A kind of VOCs exhaust treatment systems |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492594A (en) * | 2017-01-05 | 2017-03-15 | 中山市恒雅环保工程有限公司 | A kind of VOCs exhaust treatment systems and its processing method |
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- 2017-01-05 CN CN201720012907.9U patent/CN206391827U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492594A (en) * | 2017-01-05 | 2017-03-15 | 中山市恒雅环保工程有限公司 | A kind of VOCs exhaust treatment systems and its processing method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |