CN202569894U - Painting organic waste gas recovery processing device - Google Patents
Painting organic waste gas recovery processing device Download PDFInfo
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- CN202569894U CN202569894U CN 201220275721 CN201220275721U CN202569894U CN 202569894 U CN202569894 U CN 202569894U CN 201220275721 CN201220275721 CN 201220275721 CN 201220275721 U CN201220275721 U CN 201220275721U CN 202569894 U CN202569894 U CN 202569894U
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- processing device
- filter
- recycling
- exhaust gas
- organic exhaust
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- 238000012545 processing Methods 0.000 title claims abstract description 45
- 239000007789 gas Substances 0.000 title abstract description 60
- 238000011084 recovery Methods 0.000 title abstract description 7
- 238000010422 painting Methods 0.000 title abstract 7
- 239000010815 organic waste Substances 0.000 title abstract 6
- 239000003973 paint Substances 0.000 claims abstract description 54
- 238000004064 recycling Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 46
- 239000006096 absorbing agent Substances 0.000 claims description 38
- 239000002250 absorbent Substances 0.000 claims description 28
- 230000002745 absorbent Effects 0.000 claims description 28
- 238000003795 desorption Methods 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- 239000003610 charcoal Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 17
- 238000005507 spraying Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000003960 organic solvent Substances 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract 2
- 238000007781 pre-processing Methods 0.000 abstract 2
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 10
- 239000003463 adsorbent Substances 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000005416 organic matter Substances 0.000 description 7
- 239000003818 cinder Substances 0.000 description 5
- 239000004922 lacquer Substances 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 238000010926 purge Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to a painting organic waste gas recovery processing device. The painting organic waste gas recovery processing device comprises a preprocessing system, a front filtering device, a high efficiency filtering device and an absorbing device assembly, which are connected based on a gas inlet sequence, wherein the preprocessing system is a water rotating part, a water curtain cabinet or a water spraying part. With the adoption of the painting organic waste gas recovery processing device provided by the utility model, the shortcomings of traditional technology that the painting organic waste gas with large blast volume and high paint mist concentration cannot be recovered and processed can be overcome; over 99% of the paint mist and the dust produced by painting can be removed, and more than 96% of volatility organic compounds can be recovered, and an organic solvent in the painting organic waste gas is recycled successfully, and the consumption of fuel is reduced; and meanwhile, the purpose of clean production and resource recycling can be achieved, the cost of production is reduced, and the requirements on sustainable development are met.
Description
Technical field
The utility model relates to emission-control equipment, relates in particular to the device that a kind of organic exhaust gas that is used to spray paint reclaims and handles.
Background technology
The application of all need spraying paint in the process industry production processes such as container, automobile, furniture needs to use a large amount of organic solvents in spraying lacquer process, these organic solvents are all discharged with the organic exhaust gas form of spraying paint.Current; Large-scale manufacturing industry both domestic and external generally adopts methods such as burning disposal or concentrated catalytic combustion to the processing of the organic exhaust gas that sprays paint; The operating cost of incineration treatment method or concentrated catalytic combustion is very high, wants labor fuel simultaneously and produces a large amount of carbon dioxide, and a lot of enterprises can't be born; And solvent can not reclaim, and resource can not be reused.At present, the organic exhaust gas of domestic other industry has begun to adopt the method for recovery to administer.But to be air quantity big and contain the organic matter of light-concentration volatile and contain the coating cloud dust of high concentration for the characteristics of the organic exhaust gas that sprays paint that spraying lacquer process produces; So can there be following shortcoming in original recycling technical application in this type of sprays paint organic exhaust gas: the high concentration coating cloud in the organic exhaust gas that 1, sprays paint has viscosity; The easy blocking filter; And remove the tamper difficulty, it is high to remove cost; 2, cross the reduction of wind energy power, windage increase after the plugged filter, operating cost is improved; 3, the organic exhaust gas that sprays paint contains a large amount of particle dust particles, and these particle removals difficulties, and get into easily in the hole of adsorbent, cause the adsorbent hole to stop up, adsorbent was lost efficacy very soon.
The utility model content
The purpose of the utility model is to solve the problem and shortage that above-mentioned prior art exists; A kind of device that the lacquer organic exhaust gas reclaims and handles that is used to spray is provided, is used for purifying the spraying lacquer big air quantity that operation produced, contains low concentration volatile organic matter and contains the organic exhaust gas that sprays paint of high concentration coating cloud dust.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of organic exhaust gas recycling and processing device that sprays paint; Comprise the pretreatment system, front filter, high efficiency particulate air filter and the absorbent element that connect successively according to the air inlet order, said pretreatment system is that water revolves, cascade cabinet or water drench.
In described recycling and processing device, the said organic exhaust gas recycling and processing device that sprays paint comprises also by the air inlet order and is arranged in the condenser after the said absorbent element that said condenser is water cooler or forced air cooler; The said organic exhaust gas recycling and processing device that sprays paint also comprises and is arranged between said front filter and the said high efficiency particulate air filter or between said high efficiency particulate air filter and the said absorbent element or the blower fan between said absorbent element and the said condenser.
In described recycling and processing device, the filler of said front filter adopts the cellucotton filtering material or adopts ripple packing, is provided with the labyrinth type deflection plate in the said front filter.
In described recycling and processing device, said high efficiency particulate air filter is a kind of in the cotton filter of middle effect cellucotton filter, wadding filter or high-efficiency fiber or their combination.
In described recycling and processing device, the said middle cellucotton filter of imitating is for manually drawing the formula of changing, manual roller shutter type, electric rolling formula or drawer type; Said wadding filter is fixed or drawer type, and the cotton filter of said high-efficiency fiber is drawer type or roller shutter type.
In described recycling and processing device, said absorbent element comprises at least one absorber.
In described recycling and processing device, said absorbent element comprises at least two absorbers, and said absorber is connected in parallel in the said organic exhaust gas recycling and processing device that sprays paint.
In described recycling and processing device, said absorbent element comprises at least three absorbers, and said absorber is connected in the said organic exhaust gas recycling and processing device that sprays paint with the parallelly connected again mode of series connection of dividing into groups earlier.
In described recycling and processing device, said absorber is single-activity charcoal bed adsorber, compound charcoal bed adsorber or carbon fiber adsorption and catalytic combustion device.
In described recycling and processing device, each said absorber is provided with the imported valve of the steam entering that supplies the desorption use and the outlet valve of discharge.
Organic recycling and processing device that sprays paint of the utility model has overcome traditional handicraft and can't be applied to the spray paint shortcoming of recycling of organic exhaust gas of big air quantity, high coating cloud concentration.Organic recycling and processing device that sprays paint of the utility model; Removal efficient to the coating cloud in spraying paint, dust can reach more than 99%; The volatile organic matter rate of recovery is reached more than 96%, and Recovery of Organic Solvent utilization in the organic exhaust gas of successfully having realized spraying paint has reduced the consumption of fuel.Reach the purpose of cleaner production and resource circulation utilization simultaneously, reduced production cost, met the requirement of sustainable development.
Description of drawings
Fig. 1 is the schematic flow sheet of the organic exhaust gas recycling and processing device that sprays paint of the utility model.
Fig. 2 is that the utility model sprays paint that pretreatment system is the structural representation that water revolves in the organic exhaust gas recycling and processing device.
Fig. 3 is that the utility model sprays paint that pretreatment system is the structural representation of cascade cabinet in the organic exhaust gas recycling and processing device.
Fig. 4 is that the utility model sprays paint that pretreatment system is the structural representation that water drenches in the organic exhaust gas recycling and processing device.
Fig. 5 is the spray paint structural representation of high efficiency particulate air filter in the organic exhaust gas recycling and processing device of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is given elaboration further.
Shown in Fig. 1～4, the organic exhaust gas recycling and processing device that sprays paint of the utility model mainly comprises pretreatment system 1, front filter 2, blower fan 3, high efficiency particulate air filter 4, absorbent element 5 and the condenser 6 that connects successively according to the air inlet order.Wherein, pretreatment system is that water revolves 11 (shown in Figure 2), cascade cabinet 12 (shown in Figure 3) or water pouring 13 (shown in Figure 4).In addition, according to the actual installation situation, blower fan 3 also can be installed between high efficiency particulate air filter 4 and the absorbent element 5, also can be installed between absorbent element 5 and the condenser 6.
Fig. 1 is the flow chart of organic exhaust gas recycling and processing device to the organic waste-gas purification recycling of spraying paint that spray paint of the utility model.Combine referring to Fig. 2,3, shown in 4 like Fig. 1, the concrete organic waste-gas purification recycling step of spraying paint is following.
(1) contain the organic exhaust gas that sprays paint of high concentration coating cloud and dust, through the water of pretreatment system 1 revolve 11, cascade cabinet 12 or water drenches 13 and handles, and removes the most of bulky grain viscosity coating cloud in the organic exhaust gas that sprays paint.
(2) organic exhaust gas of handling through step (1) that sprays paint gets into front filter 2, and the filler of front filter 2 adopted cellucotton filtering material or the ripple packing that wind resistance is little, dust containing capacity is big, with the demand of the organic exhaust gas that sprays paint that adapts to big air quantity.And front filter 2 also can be provided with labyrinth flap (not shown), goes the bigger particle of a part of particle diameter to alleviate the filter dust quantity of front filter 2 filtering materials with retaining.Can remove medium particle diameter and viscosity coating cloud in the organic exhaust gas that sprays paint through this step.
(3) organic exhaust gas of handling through step (2) that sprays paint is pumped in the high efficiency particulate air filter 4 by blower fan 3.The organic exhaust gas that sprays paint through after front filter 2 processing still contains more micron-sized dust, and these dust are very big to follow-up adsorbent effect on service life, for this reason, adopted high efficiency particulate air filter 4 to remove.The characteristics of high efficiency particulate air filter 4 are that windage is low, filtering accuracy is high, dust containing capacity is big, cleaning is convenient, can reduce the maintenance workload and the operating cost of device.Through the processing of this step, can remove harmful substances such as most of dust in the organic exhaust gas that sprays paint, coating cloud.
Fig. 5 is the structural representation of high efficiency particulate air filter 4.Imitate a kind of in the cotton filter of cellucotton filter, wadding filter or high-efficiency fiber during high efficiency particulate air filter 4 can be selected for use, also can be their combination, adopt compound mode in the present embodiment.41 is middle effect cellucotton filter among the figure, and its filtering material can adopt cellucotton, cloth or fibrofelt, and its structure can adopt manually to draw changes cotton, also can adopt manual roller shutter type, electric rolling formula or drawer type to draw and change the cotton knot structure; 42 is wadding filter among the figure, can adopt wavy metal filler, plastic ripple filler or fiberfill, and structure can adopt fixed, or adopts the drawer type of being convenient to the scarfing cinder maintenance.The scarfing cinder mode can adopt the outer scarfing cinder of filter, also can in filter, adopt the water under high pressure scarfing cinder.43 is the cotton filter of high-efficiency fiber among the figure, and its structure can adopt drawer type or roller shutter type.
(4) organic exhaust gas of handling through step (3) that sprays paint, its coating cloud, dust have been removed clean basically, only contain volatile organic matter (organic solvent), and the organic exhaust gas that sprays paint this moment is pumped in the absorbent element 5 by blower fan 3.Absorbent element 5 can adopt single-activity charcoal bed adsorber, also can adopt compound charcoal bed adsorber or carbon fiber adsorption and catalytic combustion device.The concrete number of absorber and connected mode are to decide according to actual needs and design, when absorber number when being a plurality of, in the auto levelizer that can directly be connected in parallel, to the absorber more than three, also can with divide into groups earlier series connection again the mode of parallel connection be connected in the device.The absorber 51,52,53 that all contains three parallel connections in the absorbent element 5 shown in Fig. 2～4.
Adsorbing medium active carbon in the absorbent element 5 (or NACF or molecular sieve) carries out adsorption cleaning to organic organic exhaust gas that sprays paint; With the absorption volatile organic matter in the organic exhaust gas that sprays paint; The organic exhaust gas that sprays paint after the processing is purified, and can be discharged in the atmosphere.
Need to prove; Absorber in the absorbent element 5 is after carrying out the absorption of a period of time to the organic exhaust gas in the lacquer spraying waste gas; Adsorbing medium active carbon in the absorber (or NACF or molecular sieve) state that can reach capacity can't continue the organic gas in the organic exhaust gas is adsorbed.In this case, the control system (not shown) of absorbent element can be cut off automatically, continues to get in the absorbent element 5 to stop organic exhaust gas.At this moment; Need carry out desorption and regeneration through feeding steam (or passing through the steam that steam heater is heated) to the adsorbing medium active carbon (also claiming adsorbent) of each absorber; Existing with shown in Fig. 2～4, the absorber 51,52,53 that contains three parallel connections in the absorbent element 5 describes as follows concrete desorption and regeneration step for example:
Absorber 51,52,53 is provided with imported valve and the waste gas air intake valve and the Purge gas drain tap of outlet valve and open mode of the steam of closed condition.When absorber 51 is carried out desorption, close the waste gas air intake valve and the Purge gas drain tap of absorber 51, open the steam imported valve 511 and outlet valve 512 of absorber 51 simultaneously.The steam inlet valve 511 of this absorber 51 is connected with the steam pipeline, and the water supply steam gets into, and adsorbed organic matter is carried out desorption reaction on steam and the adsorbing medium active carbon.After reaction finished, volatile organic matter that desorption comes out and steam were passed in the condenser 6 through steam (vapor) outlet valve 512 and are condensed into mixing material, sent into separator or storage tank again and waited to separate the back reuse of purifying, and the absorber 51 after the regeneration can drop into absorption again.At this moment; Can open the waste gas air intake valve of absorber 51 and the steam imported valve 521 and outlet valve 522 of Purge gas drain tap and absorber 52; Close steam import 511 valves of absorber 51 and the waste gas air intake valve and the Purge gas drain tap of outlet valve 512 and absorber 52 simultaneously; So that absorber 52 is carried out desorption and regeneration, method is with identical to absorber 51 desorption modes.After the desorption end to absorber 52, the steam-gas inlet valve 531 of fetching boiling water again carries out desorption with 532 pairs of absorbers of outlet valve 53.Like this, the absorber in the absorbent element 5 can carry out desorption one by one, and desorption manipulation is capable of circulation to carry out, and does not ring device in the time of desorption to treatment of waste gas.Certainly, the desorption and regeneration of adsorbing medium active carbon (also claiming adsorbent) is not limited only in three absorbers, carry out, is less than three or all can more than three.
In addition, the on-condensible gas that condenser 6 comes out can also be sent back in the absorbent element 5 through blower fan 3 once more and adsorbed (not shown), to reduce pollutant emission, improves organic efficiency.Condenser 6 is optional with water cooler or forced air cooler, and the cooling water among Fig. 1 is from water cooler.
High to the coating cloud dust content, the big air quantity of the utility model, the organic exhaust gas that sprays paint that the organic volatile substrate concentration is low; On the basis of existing technology; To spray paint organic exhaust gas earlier through water revolve, water drenches or the cascade cabinet after again through front filter; Remove most of big dust particle and viscosity coating cloud (more than particle diameter 150 μ), and then pass through high efficiency particulate air filter, this filter windage is little, big, the good filtration effect (particle diameter is more than 100 μ) of mistake wind energy power; It is convenient more fully to remove the particle dust scarfing cinder, guarantee adsorbing medium active carbon (adsorbent) thus not contaminatedly prolong its service life.
Like this; Sprayed paint organic exhaust gas before getting into absorbent element 5, handle, increased the high efficiency filter device one through front filter 2 and high efficiency particulate air filter 4; Fully removed the small dust in the organic exhaust gas that sprays paint; Thereby reach the purpose that improves adsorbing medium active carbon (adsorbent) service life, reduces operating cost, overcome traditional handicraft and can't be applied to big air quantity, the high coating cloud concentration organic exhaust gas that sprays paint and handle the shortcoming that reclaims, realized the purpose that cleaner production, resource circulation are utilized.The utility model adopts the Automatic Control technology, and the man-machine interface operation can show the working condition with monitoring system in real time.Also can be directed against the different production operating mode, necessary automatically controlled security protection and reliable interlock protection are set, guarantee the safe and reliable operation of retracting device.
Foregoing; Be merely the preferred embodiment of the utility model; It is not the embodiment that is used to limit the utility model; Those of ordinary skills can carry out corresponding flexible or modification, so the protection domain of the utility model should be as the criterion with the desired protection domain of claims very easily according to the main design and the spirit of the utility model.
Claims (10)
1. the organic exhaust gas recycling and processing device that sprays paint is characterized in that, comprises the pretreatment system, front filter, high efficiency particulate air filter and the absorbent element that connect successively according to the air inlet order, and said pretreatment system is that water revolves, cascade cabinet or water drench.
2. recycling and processing device according to claim 1 is characterized in that, the said organic exhaust gas recycling and processing device that sprays paint comprises also by the air inlet order and be arranged in the condenser after the said absorbent element that said condenser is water cooler or forced air cooler; The said organic exhaust gas recycling and processing device that sprays paint also further comprises and is arranged between said front filter and the said high efficiency particulate air filter or between said high efficiency particulate air filter and the said absorbent element or the blower fan between said absorbent element and the said condenser.
3. recycling and processing device according to claim 2 is characterized in that, the filler of said front filter adopts the cellucotton filtering material or adopts ripple packing, is provided with the labyrinth type deflection plate in the said front filter.
4. retracting device according to claim 2 is characterized in that, said high efficiency particulate air filter is a kind of in the cotton filter of middle effect cellucotton filter, wadding filter or high-efficiency fiber or their combination.
5. recycling and processing device according to claim 4 is characterized in that, the said middle cellucotton filter of imitating is for manually drawing the formula of changing, manual roller shutter type, electric rolling formula or drawer type; Said wadding filter is fixed or drawer type, and the cotton filter of said high-efficiency fiber is drawer type or roller shutter type.
6. recycling and processing device according to claim 2 is characterized in that said absorbent element comprises at least one absorber.
7. recycling and processing device according to claim 6 is characterized in that said absorbent element comprises at least two absorbers, and said absorber is connected in parallel in the said organic exhaust gas recycling and processing device that sprays paint.
8. recycling and processing device according to claim 6 is characterized in that said absorbent element comprises at least three absorbers, and said absorber is connected in the said organic exhaust gas recycling and processing device that sprays paint with the parallelly connected again mode of series connection of dividing into groups earlier.
9. according to each described recycling and processing device of claim 6 to 8, it is characterized in that said absorber is single-activity charcoal bed adsorber, compound charcoal bed adsorber or carbon fiber adsorption and catalytic combustion device.
10. recycling and processing device according to claim 9 is characterized in that, each said absorber is provided with the imported valve of the steam entering that supplies the desorption use and the outlet valve of discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275721 CN202569894U (en) | 2012-06-12 | 2012-06-12 | Painting organic waste gas recovery processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275721 CN202569894U (en) | 2012-06-12 | 2012-06-12 | Painting organic waste gas recovery processing device |
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| Publication Number | Publication Date |
|---|---|
| CN202569894U true CN202569894U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220275721 Expired - Lifetime CN202569894U (en) | 2012-06-12 | 2012-06-12 | Painting organic waste gas recovery processing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202569894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524966A (en) * | 2014-12-02 | 2015-04-22 | 天津大学 | Spray coating waste gas biological purification composite treatment method |
| CN107281889A (en) * | 2017-08-08 | 2017-10-24 | 湖南云平环保科技有限公司 | The purifier and method of the waste gas containing coating cloud |
| CN107694224A (en) * | 2017-11-02 | 2018-02-16 | 四川帕沃可矿物纤维制品有限公司 | A kind of mineral fibres waste gas processing method |
-
2012
- 2012-06-12 CN CN 201220275721 patent/CN202569894U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524966A (en) * | 2014-12-02 | 2015-04-22 | 天津大学 | Spray coating waste gas biological purification composite treatment method |
| CN104524966B (en) * | 2014-12-02 | 2016-08-24 | 天津大学 | A kind of spraying exhaust gas biological purifying combination treatment method |
| CN107281889A (en) * | 2017-08-08 | 2017-10-24 | 湖南云平环保科技有限公司 | The purifier and method of the waste gas containing coating cloud |
| CN107694224A (en) * | 2017-11-02 | 2018-02-16 | 四川帕沃可矿物纤维制品有限公司 | A kind of mineral fibres waste gas processing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |