CN208320371U - A kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device - Google Patents
A kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device Download PDFInfo
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- CN208320371U CN208320371U CN201820493706.XU CN201820493706U CN208320371U CN 208320371 U CN208320371 U CN 208320371U CN 201820493706 U CN201820493706 U CN 201820493706U CN 208320371 U CN208320371 U CN 208320371U
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- carbon fiber
- activated carbon
- desorption
- heat exchanger
- exhaust gas
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Abstract
The utility model discloses a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas devices, its device includes shell, activated carbon fiber core and the exhaust pipe being attached thereto, gas exhaust piping, steam pipework, desorption property management road and condensate liquid pipeline, the activated carbon fiber core includes caged bracket and the activated carbon fiber for being wrapped in periphery, and activated carbon fiber interlayer is provided with heat exchanger.The technical program can synchronize temperature drop and the absorption for realizing organic exhaust gas in adsorption process, it is attached to can be carried out fast desorption in desorption process, it is able to achieve the rapid draing of activated carbon fiber after desorption, reduces the usage amount of hot wind or without using hot wind, it is energy saving.
Description
Technical field
The utility model relates to a kind of emission-control equipments containing organic solvent, more particularly, to a kind of enhanced activity
Carbon fiber adsorption-desorption organic exhaust gas device.
Background technique
A large amount of organic exhaust gas, direct emission meeting can be generated in coating, petrochemical industry, medicine and other fields, production process
Serious pollution is caused to environment.
In the prior art to the processing method of organic exhaust gas specifically include that photocatalytic oxidation, low-temperature plasma facture,
Exhaust gas washing tower facture, heating power incineration method, adsorption recovery method and condensing recovery method etc..Wherein adsorption recovery method has because using
Large specific surface area, micro content are big, surface functional group activated carbon fiber abundant is as adsorbing medium, and it is big to be particularly suitable for air quantity
Organic exhaust gas, opposite processing cost is relatively low.
Domestic numerous scholars have also carried out relevant research to the organic exhaust gas adsorption performance of activated carbon fiber, study
The result shows that: the adsorption efficiency of activated carbon fiber is affected by adsorption temp, absorption property with the raising of adsorption temp and
Gradually decrease, and when adsorption temp is greater than 40 DEG C, activated carbon fiber to the equilibrium adsorption capacities of certain organic exhaust gas reduce compared with
It is obvious.Therefore it in existing adsorption recovery law technology, needs in advance to the height containing organic solvent come out from equipment exhausting
Warm exhaust gas carries out heat exchange cooling processing, can be only achieved preparatory adsorption effect.
In carrying out heat exchange cooling treatment process to the high-temp waste gas containing organic solvent, inevitably having part has
Solvent is condensate in inside heat exchange equipment, causes its recycling difficult；In addition heat exchange equipment can also occupy certain occupied area.
It is to be desorbed by high-temperature steam to activated carbon fiber in the prior art, in order to realize maximum solution
It inhales, need to consume a large amount of high-temperature steam and generates excessive condensation waste water, energy consumption is high, wastewater treatment expense is also high.
Further, since the specific heat of air is lower, a large amount of heat is needed when the activated carbon fiber after desorption is dried
Wind is purged, and drying efficiency is relatively low.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas dress
It sets and processing method.
Technical solution disclosed by the utility model are as follows: a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device,
Including shell, activated carbon fiber core and the exhaust pipe being attached thereto by valve, gas exhaust piping, steam pipework, clean gas
Pipeline, desorption property management road and condensate liquid pipeline, it is characterised in that: the activated carbon fiber core includes caged bracket and package
Two layers or two layers or more the activated carbon fiber in periphery, and activated carbon fiber interlayer is provided with heat exchanger.
Further, as the preferred embodiment of the technical program, caged bracket be at least there is plane opening, and with
Corresponding seal cover board, which does not wrap up activated carbon fiber.
When seal cover board covers, an opposing seal is formed with the activated carbon fiber for being wrapped in caged bracket periphery
Space, steam pipework are passed through this space.
Further, as the preferred embodiment of the technical program, the heat exchanger includes 1 group or multiple groups, multiple groups heat exchange
Device collaboration uses, and can enhance heat transfer effect.
It further, is to be interconnected or mutually as the preferred embodiment of the technical program, between the multi-group heat exchanger
It is independent.
Further, as the preferred embodiment of the technical program, the heat exchanger is tubular type or plate through preservative treatment
Formula heat exchanger.
Further, as the preferred embodiment of the technical program, the heat exchanger is preferably the fin through preservative treatment
Pipe heat exchanger, pipe number of rows are 1 row or multiple rows of, and continuous U-shaped or spiral shape are distributed in activated carbon fiber interlayer.Further,
When the temperature of organic exhaust gas is higher, multiple rows of fin-tube heat exchanger is preferably used.
Further, as the preferred embodiment of the technical program, the heat exchanger is that continuous U-shaped or spiral shape are distributed in
Activated carbon fiber interlayer.
Further, as the preferred embodiment of the technical program, the activated carbon fiber specific surface area is not less than
800m2/g。
Further, as the preferred embodiment of the technical program, the heat exchanger windage is lower than the wind of activated carbon fiber
Resistance.
A kind of side of enhanced activated carbon fiber absorption-desorption organic exhaust gas device processing exhaust gas disclosed by the utility model
Method, specifically: (1) adsorb: steam off pipeline/cleaning air pipe three-way valve and condensate liquid pipe valve open sealing cover
Plate and gas exhaust piping valve, exhaust pipe/desorption property management road three-way valve switch to exhaust pipe channel status.In heat exchanger
It is passed through cryogenic media, high temperature organic exhaust gas is passed through from exhaust pipe, ecto-entad purges activated carbon fiber core, same to stepping
Row temperature drop and absorption, the gas after absorption are discharged through gas exhaust piping；(2) desorb: exhaust pipe/desorption property management road three-way valve is cut
Desorption property management road channel status is shifted to, steam pipework/cleaning air pipe three-way valve switches to steam pipework channel status, covers
Seal cover board closes gas exhaust piping valve, opens condensate liquid pipe valve.It is passed through high-temperature medium in heat exchanger, high temperature is steamed
Vapour is passed through from steam pipework, purges activated carbon fiber core from inside to outside, the condensate liquid and fixed gas of generation are respectively from condensation
Liquid pipeline and desorption property management road are discharged into lower step processing；(3) dry: steam pipework/cleaning air pipe three-way valve switches to
Clean air pipe channel status, exhaust pipe/desorption property management road three-way valve switch to desorption property management road channel status, cover
Seal cover board closes gas exhaust piping valve and condensate liquid pipe valve.Continuation is passed through high-temperature medium in heat exchanger, by cleaning
Air or hot wind are passed through from clean air pipe, are discharged from desorption property management road；(4) next absorption-desorption-drying cycles.
In adsorption process, organic exhaust gas passes through activated carbon fiber-heat exchanger-(activated carbon fiber-heat exchanger)nActivity
Carbon fiber (n is natural number), synchronizes the promotion of the reduction for realizing exhaust gas temperature and activated carbon fiber saturated extent of adsorption.
In resolving, high-temperature medium transfers heat to activated carbon fiber by heat exchanger and heats to it, drop
The low saturated extent of adsorption of activated carbon fiber, then it is aided with the purging of high-temperature steam, it can be realized the fast desorption of organic matter, save
High-temperature steam dosage；It, also can be by high-temperature medium to it even if there is partial organic substances to be condensate in heat exchanger surface in absorption phase
Heating is smoothly recycled, and secondary pollution is avoided.
In the drying process, high-temperature medium transfers heat to activated carbon fiber by heat exchanger and heats to it, auxiliary
With clean air or hot wind, rapid draing is realized.
Further, a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas disclosed by the utility model is being used
Device, mutually independent heat exchanger group are passed through the medium of different temperatures, the formation temperature ladder between the different layers of activated carbon fiber
Degree realizes its absorption of enhancing or desorption performance.
The advantages of the technical program: 1, synchronizing the temperature drop for realizing organic exhaust gas and absorption in adsorption process, is not necessarily to volume
Outer increase heat exchange equipment reduces occupation area of equipment；2, the equilibrium adsorption capacity of activated carbon fiber is effectively improved, extends and inhales
Attached-desorption alternate cycle；3, it can be carried out that fast desorption is attached in desorption process, reduce the usage amount of high-temperature steam, save
The energy；4, it is able to achieve the rapid draing of activated carbon fiber after desorption, reduces the usage amount of hot wind or without using hot wind,
It is energy saving；Even if organic solvent is in its surface sweating when 5, organic exhaust gas passes through heat exchanger in adsorption process, subsequent
It also can smoothly be recycled in desorption process, avoid secondary pollution.
Detailed description of the invention
Fig. 1 be in technical solutions of the utility model have 2 groups of one-row heat exchangers and between be interconnected enhanced work
Property carbon fiber adsorption-desorption organic exhaust gas device vertical cut-away schematic view.
Fig. 2 be in technical solutions of the utility model have 2 groups of one-row heat exchangers and between be mutually independent enhanced work
Property carbon fiber adsorption-desorption organic exhaust gas device vertical cut-away schematic view.
Fig. 3 be in technical solutions of the utility model have 2 groups of single, double row's heat exchangers and between be mutually independent enhanced
Activated carbon fiber absorption-desorption organic exhaust gas device vertical cut-away schematic view.
Fig. 4 is the enhanced activated carbon fiber absorption-desorption in technical solutions of the utility model with 1 group of one-row heat exchanger
Organic exhaust gas device vertical cut-away schematic view.
Fig. 5 is that heat exchanger is that continuous U-shaped or spiral shape are distributed in activated carbon fiber interlayer in technical solutions of the utility model
Enhanced activated carbon fiber absorption-desorption organic exhaust gas device horizontal profile schematic diagram.
Appended drawing reference: 1- shell, 2- activated carbon fiber core, 3- activated carbon fiber, 4- heat exchanger, 41- heat exchanger media
Entrance, 5- exhaust pipe, 6- desorb property management road, 7- exhaust pipe/desorption property management road three-way valve, 8- gas exhaust piping, 9- row
Air pipe valve, 10- steam pipework, 11- cleaning air pipe, 12- steam pipework/cleaning air pipe three-way valve, 13- condensate liquid
Pipeline, 14- condensate liquid pipe valve, 15- seal cover board, the plane opening of 16- caged bracket, 17- caged bracket.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with specific embodiment, it is clear that institute
The embodiment of description is only a part of the embodiment of the utility model, instead of all the embodiments.
Embodiment 1.
As shown in Figure 1, a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device disclosed by the utility model,
Including shell, activated carbon fiber core and the exhaust pipe being attached thereto by valve, gas exhaust piping, steam pipework, clean gas
Pipeline, desorption property management road and condensate liquid pipeline.
Activated carbon fiber core is cylindricality caged bracket and is wrapped in peripheral 9 layers of activated carbon fiber, the ratio of activated carbon fiber
Surface area is 800m2/g.Every being provided with 2 groups of medial and lateral single row type heat exchanger between 3 layers of activated carbon fiber, this 2 groups of heat exchangers
Between be mutual connection, heat exchanger is the arrangement of vertical direction continuous U-shaped.The optional tubular type through preservative treatment of heat exchanger, plate
The heat exchanger of the forms such as face formula, it is preferable that select fin-tube heat exchanger.
The method of device processing exhaust gas: (1) it adsorbs: steam off pipeline/cleaning air pipe three-way valve and condensate liquid
Pipe valve, opens seal cover board and gas exhaust piping valve, exhaust pipe/desorption property management road three-way valve switch to exhaust pipe
Channel status.It is passed through the cryogenic media lower than 40 DEG C in heat exchanger, high temperature organic exhaust gas is passed through from exhaust pipe, by outer
Inwardly purging activated carbon fiber core, synchronous progress temperature drop and absorption, the gas after absorption are discharged through gas exhaust piping；(2) it desorbs:
Exhaust pipe/desorption property management road three-way valve switches to desorption property management road channel status, steam pipework/cleaning air pipe triple valve
Door switches to steam pipework channel status, covers seal cover board, closes gas exhaust piping valve, opens condensate liquid pipe valve.?
It is passed through the high-temperature medium higher than 100 DEG C in heat exchanger, high-temperature steam is passed through from steam pipework, purges activated carbon from inside to outside
Fiber core, the condensate liquid and fixed gas of generation are discharged into lower step processing from condensate liquid pipeline and desorption property management road respectively；(3)
Dry: steam pipework/cleaning air pipe three-way valve switches to clean air pipe channel status, exhaust pipe/desorption property management road
Three-way valve switches to desorption property management road channel status, covers seal cover board, closes gas exhaust piping valve and condensate liquid pipeline valve
Door.Continue to be passed through the high-temperature medium higher than 100 DEG C in heat exchanger, clean air or hot wind are led to from clean air pipe
Enter, is discharged from desorption property management road.
Embodiment 2.
As shown in Fig. 2, a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device disclosed by the utility model,
Including shell, activated carbon fiber core and the exhaust pipe being attached thereto by valve, gas exhaust piping, steam pipework, clean gas
Pipeline, desorption property management road and condensate liquid pipeline.
Activated carbon fiber core is cylindricality caged bracket and is wrapped in peripheral 9 layers of activated carbon fiber, the ratio of activated carbon fiber
Surface area is 1000m2/g.Every being provided with 2 groups of medial and lateral single row type heat exchanger between 3 layers of activated carbon fiber, this 2 groups of heat exchange
Be between device it is mutually independent, heat exchanger be vertical direction continuous U-shaped arrangement.The optional tubular type through preservative treatment of heat exchanger,
The heat exchanger of the forms such as plate face formula, it is preferable that select fin-tube heat exchanger.
The method of device processing exhaust gas: (1) it adsorbs: steam off pipeline/cleaning air pipe three-way valve and condensate liquid
Pipe valve, opens seal cover board and gas exhaust piping valve, exhaust pipe/desorption property management road three-way valve switch to exhaust pipe
Channel status.60-80 DEG C of cryogenic media is passed through in heat exchanger on the outside, the low temperature lower than 40 DEG C is passed through in the heat exchanger of inside
High temperature organic exhaust gas is passed through by medium from exhaust pipe, and ecto-entad purges activated carbon fiber core, it is synchronous carry out temperature drop and
Absorption, the gas after absorption are discharged through gas exhaust piping；(2) desorb: exhaust pipe/desorption property management road three-way valve switches to desorption
Property management road channel status, steam pipework/cleaning air pipe three-way valve switch to steam pipework channel status, cover sealing cover
Plate closes gas exhaust piping valve, opens condensate liquid pipe valve.The high temperature higher than 100 DEG C is passed through in the heat exchanger of medial and lateral
High-temperature steam is passed through by medium from steam pipework, is purged activated carbon fiber core from inside to outside, the condensate liquid of generation and is not coagulated
Gas is discharged into lower step processing from condensate liquid pipeline and desorption property management road respectively；(3) dry: steam pipework/cleaning air pipe three
Port valve door switches to clean air pipe channel status, and it is logical that exhaust pipe/desorption property management road three-way valve switches to desorption property management road
Line state covers seal cover board, closes gas exhaust piping valve and condensate liquid pipe valve.Continue in the heat exchanger of medial and lateral
It is passed through the high-temperature medium higher than 100 DEG C, clean air or hot wind are passed through from clean air pipe, from desorption object tubes rows
Out.
Embodiment 3.
As shown in figure 3, a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device disclosed by the utility model,
Including shell, activated carbon fiber core and the exhaust pipe being attached thereto by valve, gas exhaust piping, steam pipework, clean gas
Pipeline, desorption property management road and condensate liquid pipeline.
Activated carbon fiber core is cylindricality caged bracket and is wrapped in peripheral 9 layers of activated carbon fiber, the ratio of activated carbon fiber
Surface area is 1300m2/g.Every be provided between 3 layers of activated carbon fiber inside single, the double 2 groups of heat exchangers in outside, this 2 groups
Be between heat exchanger it is mutually independent, heat exchanger be vertical direction continuous U-shaped arrangement.The pipe through preservative treatment can be selected in heat exchanger
The heat exchanger of the forms such as formula, plate face formula, it is preferable that select fin-tube heat exchanger.
The method of device processing exhaust gas: (1) it adsorbs: steam off pipeline/cleaning air pipe three-way valve and condensate liquid
Pipe valve, opens seal cover board and gas exhaust piping valve, exhaust pipe/desorption property management road three-way valve switch to exhaust pipe
Channel status.40-80 DEG C of cryogenic media is passed through in dual-row heat exchanger on the outside, is passed through in the one-row heat exchanger of inside lower than 40
DEG C cryogenic media, high temperature organic exhaust gas is passed through from exhaust pipe, ecto-entad purge activated carbon fiber core, same to stepping
Row temperature drop and absorption, the gas after absorption are discharged through gas exhaust piping；(2) desorb: exhaust pipe/desorption property management road three-way valve is cut
Desorption property management road channel status is shifted to, steam pipework/cleaning air pipe three-way valve switches to steam pipework channel status, covers
Seal cover board closes gas exhaust piping valve, opens condensate liquid pipe valve.It is passed through in the heat exchanger of medial and lateral higher than 100 DEG C
High-temperature medium, high-temperature steam is passed through from steam pipework, from inside to outside purge activated carbon fiber core, the condensate liquid of generation
Lower step processing is discharged into from condensate liquid pipeline and desorption property management road respectively with fixed gas；(3) dry: steam pipework/cleaning gas
Pipeline three-way valve switches to clean air pipe channel status, and exhaust pipe/desorption property management road three-way valve switches to desorption object
Pipeline channel status covers seal cover board, closes gas exhaust piping valve and condensate liquid pipe valve.Continue to exchange heat in medial and lateral
It is passed through the high-temperature medium higher than 100 DEG C in device, clean air or hot wind are passed through from clean air pipe, from desorption property management
Road discharge.
Embodiment 4.
As shown in figure 4, a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device disclosed by the utility model,
Including shell, activated carbon fiber core and the exhaust pipe being attached thereto by valve, gas exhaust piping, steam pipework, clean gas
Pipeline, desorption property management road and condensate liquid pipeline.
Activated carbon fiber core is cylindricality caged bracket and is wrapped in peripheral 5 layers of activated carbon fiber, the ratio of activated carbon fiber
Surface area is 1500m2/g.Single, single-set heat exchange is arranged between 3 layers and 2 layers of activated carbon fiber, and heat exchanger is vertical direction
Continuous U-shaped arrangement.The heat exchanger of the forms such as tubular type, the plate face formula through preservative treatment can be selected in heat exchanger, it is preferable that selects fin
Pipe heat exchanger.
The method of device processing exhaust gas: (1) it adsorbs: steam off pipeline/cleaning air pipe three-way valve and condensate liquid
Pipe valve, opens seal cover board and gas exhaust piping valve, exhaust pipe/desorption property management road three-way valve switch to exhaust pipe
Channel status.It is passed through the cryogenic media lower than 40 DEG C in heat exchanger, high temperature organic exhaust gas is passed through from exhaust pipe, by outer
Inwardly purging activated carbon fiber core, synchronous progress temperature drop and absorption, the gas after absorption are discharged through gas exhaust piping；(2) it desorbs:
Exhaust pipe/desorption property management road three-way valve switches to desorption property management road channel status, steam pipework/cleaning air pipe triple valve
Door switches to steam pipework channel status, covers seal cover board, closes gas exhaust piping valve, opens condensate liquid pipe valve.?
It is passed through the high-temperature medium higher than 100 DEG C in heat exchanger, high-temperature steam is passed through from steam pipework, purges activated carbon from inside to outside
Fiber core, the condensate liquid and fixed gas of generation are discharged into lower step processing from condensate liquid pipeline and desorption property management road respectively；(3)
Dry: steam pipework/cleaning air pipe three-way valve switches to clean air pipe channel status, exhaust pipe/desorption property management road
Three-way valve switches to desorption property management road channel status, covers seal cover board, closes gas exhaust piping valve and condensate liquid pipeline valve
Door.Continue to be passed through the high-temperature medium higher than 100 DEG C in heat exchanger, clean air or hot wind are led to from clean air pipe
Enter, is discharged from desorption property management road.
The foregoing is merely the utility model preferably embodiments, are not intended to limit the protection scope of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device, including shell, activated carbon fiber core and pass through
Exhaust pipe, gas exhaust piping, steam pipework, clean air pipe, desorption property management road and the condensate liquid pipeline that valve is attached thereto,
Be characterized in that: the activated carbon fiber core includes caged bracket and two layers or two layers or more active carbon fiber for being wrapped in periphery
Dimension, and activated carbon fiber interlayer is provided with heat exchanger.
2. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device according to claim 1, feature exist
In: the caged bracket is at least not wrap up work in the presence of a plane opening and corresponding seal cover board, the opening
Property carbon fiber.
3. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device according to claim 1, feature exist
In: the heat exchanger includes 1 group or multiple groups.
4. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device according to claim 3, feature exist
In: it is interconnected or mutually indepedent between the multi-group heat exchanger.
5. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device according to claim 1, feature exist
In: the heat exchanger is tubular type or plate heat exchanger through preservative treatment.
6. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device according to claim 1 or 5, feature
Be: the heat exchanger is the fin-tube heat exchanger through preservative treatment, and pipe number of rows is 1 row or multiple rows of, continuous U-shaped or spiral
Shape is distributed in activated carbon fiber interlayer.
7. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device according to claim 1, feature exist
In: the activated carbon fiber specific surface area is not less than 800m2/g。
8. a kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device according to claim 1, feature exist
In: the heat exchanger windage is lower than the windage of activated carbon fiber.
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| CN201820493706.XU CN208320371U (en) | 2018-04-09 | 2018-04-09 | A kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device |
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| CN201820493706.XU CN208320371U (en) | 2018-04-09 | 2018-04-09 | A kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465342A (en) * | 2018-04-09 | 2018-08-31 | 苏州世华新材料科技股份有限公司 | A kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device and processing method |
| CN111530226A (en) * | 2020-05-08 | 2020-08-14 | 黄龙标 | Unitized self-cleaning type filtering device for organic waste gas treatment |
-
2018
- 2018-04-09 CN CN201820493706.XU patent/CN208320371U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465342A (en) * | 2018-04-09 | 2018-08-31 | 苏州世华新材料科技股份有限公司 | A kind of enhanced activated carbon fiber absorption-desorption organic exhaust gas device and processing method |
| CN111530226A (en) * | 2020-05-08 | 2020-08-14 | 黄龙标 | Unitized self-cleaning type filtering device for organic waste gas treatment |
| CN111530226B (en) * | 2020-05-08 | 2021-01-01 | 黄龙标 | Unitized self-cleaning type filtering device for organic waste gas treatment |
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