CN110227310A - One kind VOCs containing styrene waste gas treatment device and method - Google Patents
One kind VOCs containing styrene waste gas treatment device and method Download PDFInfo
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- CN110227310A CN110227310A CN201910533771.XA CN201910533771A CN110227310A CN 110227310 A CN110227310 A CN 110227310A CN 201910533771 A CN201910533771 A CN 201910533771A CN 110227310 A CN110227310 A CN 110227310A
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- exhaust gas
- styrene
- exhaust
- blower
- concentration
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 239000002912 waste gas Substances 0.000 title claims abstract description 28
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 110
- 238000001179 sorption measurement Methods 0.000 claims abstract description 33
- 238000003795 desorption Methods 0.000 claims abstract description 26
- 238000000746 purification Methods 0.000 claims abstract description 25
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 239000006096 absorbing agent Substances 0.000 claims abstract description 12
- 239000008188 pellet Substances 0.000 claims abstract description 11
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 18
- 229910021536 Zeolite Inorganic materials 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 17
- 239000010457 zeolite Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000013618 particulate matter Substances 0.000 claims description 6
- 239000003463 adsorbent Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000010815 organic waste Substances 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 238000002336 sorption--desorption measurement Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- SYWDWCWQXBUCOP-UHFFFAOYSA-N benzene;ethene Chemical group C=C.C1=CC=CC=C1 SYWDWCWQXBUCOP-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 dimethyl propylenes Olefin Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to one kind waste gas treatment devices of VOCs containing styrene comprising: by the sequentially connected preprocessor of exhaust piping, styrene pellets absorber, exhaust gas enrichment facility, adsorption treatment blower and exhaust tube；And heat exchanger, concentration blower and the combustion chamber successively connected with pipeline for concentrated gas desorption.The invention further relates to a kind of exhaust gas treatment methods of VOCs containing styrene using above-mentioned apparatus.Exhaust gas of the present invention enters system from collection, it is discharged to eventually by exhaust tube to atmosphere, pass through preprocessor, styrene application specific processor (granular adsorber), exhaust gas enrichment facility, burner, altogether 4 purification processes (conveying and auxiliary device without fire arrester, blower, heat exchanger etc. without clean-up effect) respectively；The present invention can effectively be rejected the styrene in organic exhaust gas by styrene application specific processor (granular adsorber), so that the organic exhaust gas without styrene be enabled to enter remaining equipment, greatly improve lifetime of system, and improve purification efficiency.
Description
Technical field
The present invention relates to technical field of waste gas treatment, more particularly to one kind VOCs containing styrene waste gas treatment device and side
Method.
Background technique
The organic exhaust gas (VOCs) of big volume low-concentration can be generated in composite material process of manufacture, waste gas components are mainly
Toluene, dimethylbenzene, styrene, non-methane total hydrocarbons etc., for the organic exhaust gas of such large-wind-volume low-concentration, most effective processing side
Method is the exhaust gas that the exhaust gas of large-wind-volume low-concentration is condensed into small air quantity high concentration, then carries out catalysis burning (RCO) or accumulation of heat combustion
It burns (RTO), finally makes gas qualified discharge.But due to the characteristic that gaseous state styrene easily polymerize, in exhaust gas concentration process, benzene
Ethylene meeting rapid polymerization causes adsorbent material to block, reduces the enrichment facility service life even on the adsorbent material of enrichment facility
The effect of failing, then influencing entire processing system.
Styrene is a kind of easy polymeric material, -30.6 DEG C of fusing point, 146 DEG C of boiling point, not soluble in water, be exposed in air by
Polymerization and oxidation gradually occurs.Under the exhaust-gas treatment operating condition containing styrene, there is no setting benzene second for traditional exhaust gas treatment method
Alkene application specific processor.Its treatment process is as follows: when not needing the high concentration of concentration, exhaust gas is directly entered at burner
Reason；And in the low concentration for needing enrichment facility, then styrene can be in enrichment facility surface aggregate, and in 200 DEG C of solution
During suction, polystyrene easy to form causes corresponding processing equipment to damage, and to the purification efficiency of system entirety lose compared with
Greatly, to seriously reduce the purification efficiency of system.Thus, styrene is always the skill for being difficult to capture in waste gas pollution control and treatment field
Art problem.
Summary of the invention
In order to overcome the defect of styrene influence exhaust gas enrichment facility in the prior art, the present invention provides a kind of suitable for containing
There are the waste gas treatment device of VOCs containing styrene and method of the large-wind-volume low-concentration organic exhaust gas of styrene, it can effective removing waste
Styrene in gas improves equipment life and improves purification efficiency.
To achieve the above object, the present invention adopts the following technical scheme:
The first purpose of the invention is to provide one kind waste gas treatment devices of VOCs containing styrene comprising: by flue gas leading
The sequentially connected preprocessor in road, styrene pellets absorber, exhaust gas enrichment facility, adsorption treatment blower and exhaust tube；And
Heat exchanger, concentration blower and the combustion chamber successively connected with pipeline for concentrated gas desorption.
In order to advanced optimize above-mentioned waste gas treatment device, the technical measures that the present invention takes further include:
Further, the exhaust gas enrichment facility is zeolite runner absorption/desorption apparatus or activated carbon adsorption/desorption dress
It sets, the cocnentration factor of exhaust gas is 10~30:1；Further, the cocnentration factor of the exhaust gas is 20~30:1；More preferably 25~
30:1.
Further, the exhaust gas enrichment facility is zeolite runner absorption/desorption apparatus comprising adsorption zone, cooling zone
With desorption area.
Further, exhaust piping is connected to adsorption zone, and adsorption zone outlet is connected to adsorption treatment blower, and air is via sky
Air filter is connected to cooling zone by pipeline, and the air of cooling zone outlet is connected to heat exchanger by pipeline and carries out heat exchange heating
After be connected to desorption area, desorption area outlet high concentration concentrated gas concentration blower is connected to by pipeline.
Further, the part high temperature purification exhaust gas of burner outlet enters heat exchanger as heat source, heat exchange by pipeline
Part high-temp waste gas afterwards is mixed with remainder high-temp waste gas by heat exchange blower fan and is connected directly to exhaust tube.
Further, the heat exchanger is dividing wall type heat exchanger or heat regenerator, and the dividing wall type heat exchanger includes
Plate heat exchanger and shell-and-tube heat exchanger.
Further, the burner is RCO- catalytic combustion burner or RTO- heat-accumulation combustion furnace.
Further, filling adsorption material in the styrene pellets absorber, the adsorbent material, which is selected, has super large
The molecular sieve or mesopore activated carbon of microcellular structure.
Further, the molecular sieve with super large microcellular structure refers to greater than the molecular sieve of 12 yuan of annular distances mainly have:
Cloverite、ECR-34、VPI-5、AlPO-8、CIT-5、UTD-1F、OSB-1、SSZ-53、SSZ-59、IM-12。
Further, the mesopore activated carbon refers to the active carbon with aperture based on 2~50nm.
Further, exhaust piping is connected to fire arrester, and fire arrester outlet is connected to preprocessor.
Further, the preprocessor is the dry filter for filtering the particulate matter in exhaust gas.
Further, primary filter, medium effeciency filter, high efficiency particulate air filter are sequentially filled in the dry filter.
A second object of the present invention is to provide one kind exhaust gas treatment methods of VOCs containing styrene, use any above-mentioned
Device comprising following steps: the large-wind-volume low-concentration organic exhaust gas containing styrene is accessed by exhaust gas entrance pipeline, is first located in advance
Manage the particulate matter in device filtering exhaust gas；Using styrene pellets absorber, the styrene in exhaust gas is adsorbed；After removing styrene
Exhaust gas enter back into exhaust gas enrichment facility, be sent into through most of clean gas that exhaust gas enrichment facility is discharged by adsorption treatment blower
Exhaust tube high altitude discharge；Small air quantity high-concentration organic waste gas after concentrated is sent into burner through high-temp combustion by concentration blower
Reason falls remaining organic exhaust gas, and last gas up to standard is by exhaust tube high altitude discharge.
Further, the exhaust gas enrichment facility is zeolite runner absorption/desorption apparatus comprising adsorption zone, cold
But area and desorption area；The zeolite runner absorption/desorption apparatus can be completed at the same time gas by the rotation of runner on runner
The regeneration of concentration and zeolite, concrete operations are as follows: the exhaust gas into exhaust gas enrichment facility is adsorbed area's adsorption cleaning at normal temperature
Exhaust tube is directly emitted by adsorption treatment blower afterwards；Air introduces cooling zone via air filter and carries out to zeolite overheated zone
It is cooling, then enter desorption area to adsorption saturation part with after the part high temperature purification exhaust gas heat exchange heating of burner discharge
It is parsed, the high concentration concentrated gas after parsing, which is oxidized to carbon dioxide and water via concentration blower introducing combustion chamber high temperature, to be become
High temperature purification exhaust gas, part high temperature purification exhaust gas enter heat exchanger as heat source, high temperature purification exhaust gas in part after cooling via
Heat exchange blower fan is directly discharged to exhaust tube after mixing with remainder high temperature purification exhaust gas.
The present invention by adopting the above technical scheme, has the following technical effect that
Exhaust gas of the present invention from collect enter system, to eventually by exhaust tube to atmosphere discharge, respectively by preprocessor,
Styrene application specific processor (granular adsorber), exhaust gas enrichment facility, burner, altogether 4 purification processes (without fire arrester,
The conveying and auxiliary device without clean-up effect such as blower, heat exchanger)；The present invention passes through styrene application specific processor (granular absorption
Device), the styrene in organic exhaust gas can effectively be rejected, so that the organic exhaust gas without styrene be enabled to set into remaining
It is standby, lifetime of system is greatly improved, and improve purification efficiency.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the waste gas treatment device of VOCs containing styrene in one embodiment of the invention；
Wherein, appended drawing reference are as follows:
Fire arrester -1；Preprocessor -2；Styrene pellets absorber -3；Exhaust gas enrichment facility -4；Adsorption treatment blower -5；
Exhaust tube -6；Heat exchanger -7；Blower -8 is concentrated；Burner -9；Heat exchange blower fan -10；Air filter -11.
Specific embodiment
The present invention relates to one kind waste gas treatment devices of VOCs containing styrene comprising: it is sequentially connected pre- by exhaust piping
Processor, styrene pellets absorber, exhaust gas enrichment facility, adsorption treatment blower and exhaust tube；And it is desorbed for concentrated gas
Heat exchanger, the concentration blower and combustion chamber successively connected with pipeline.Benzene is contained using above-mentioned apparatus the invention further relates to a kind of
Ethylene VOCs exhaust gas treatment method.
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1
The present embodiment provides one kind waste gas treatment devices of VOCs containing styrene comprising by the sequentially connected resistance of exhaust piping
Firearm 1, preprocessor 2, styrene pellets absorber 3, exhaust gas enrichment facility 4, adsorption treatment blower 5 and exhaust tube 6；And it uses
In heat exchanger 7, concentration blower 8 and the combustion chamber 9 of concentrated gas desorption successively connected with pipeline.
The exhaust gas enrichment facility 4 is zeolite runner absorption/desorption apparatus, and exhaust gas concentration is mainly realized by zeolite runner,
Runner is circular configuration, and internal uniformly filling zeolite, the main component of zeolite is porous matrix type alumino-silicate, inner part
Cloth hole, there is the characteristic that selective absorption is carried out to molecule not of uniform size, which includes
Adsorption zone, cooling zone and desorption area, exhaust piping are connected to adsorption zone, and adsorption zone outlet is connected to adsorption treatment blower 5, air
Cooling zone is connected to by pipeline via air filter 11, the air of cooling zone outlet by pipeline be connected to heat exchanger 7 into
Desorption area is connected to after row heat exchange heating, the high concentration concentrated gas of desorption area outlet is connected to concentration blower 8 by pipeline；Burning
The part high temperature purification exhaust gas that device 9 exports enters heat exchanger 7 as heat source by pipeline, and the part high-temp waste gas after heat exchange passes through
Heat exchange blower fan 10 mixes with remainder high-temp waste gas and is connected directly to exhaust tube 6；The burner 9 is RTO- heat-accumulation combustion
Furnace；Filling adsorption material in the styrene pellets absorber 3, the adsorbent material are UTD-1F；The preprocessor 2 is to use
The dry filter of particulate matter in filtering exhaust gas, the heat exchanger 7 are shell-and-tube heat exchanger.
The operating procedure of above-mentioned apparatus is as follows:
Large-wind-volume low-concentration organic exhaust gas (various material proportions: styrene 59.4% containing styrene；1,4 dimethyl propylenes
Olefin(e) acid glycol 39.6%；A- methyl styrene 0.79%；Benzene 0.16%) by exhaust gas entrance pipeline access fire arrester 1, first located in advance
Manage the particulate matter in the filtering exhaust gas of device 2；Using styrene pellets absorber 3, the styrene in exhaust gas is adsorbed；Remove styrene
Exhaust gas afterwards enters back into exhaust gas enrichment facility 4, and the most of clean gas being discharged through exhaust gas enrichment facility 4 is by adsorption treatment blower
5 are sent into exhaust tube (6) high altitude discharge；Air introduces cooling zone via air filter 11 and cools down to zeolite overheated zone, so
Enter desorption area after the part high temperature purification exhaust gas heat exchange heating being discharged with burner 9 afterwards to solve adsorption saturation part
Analysis, the high concentration concentrated gas after parsing, which introduces 9 high-temperature oxydation of combustion chamber via concentration blower 8, becomes high temperature at carbon dioxide and water
Exhaust gas is purified, part high temperature purification exhaust gas enters heat exchanger 7 as heat source, and high temperature purification exhaust gas in part after cooling is via heat exchange
Blower 10 is directly discharged to exhaust tube 6 after mixing with remainder high temperature purification exhaust gas.Concentration of emission can reach 30mg/m3, far
Far below national standard, national emission standard are as follows: refer to " GB16297-1996 discharge standard of air pollutants " non-methane
Total hydrocarbon highest allows concentration of emission 120mg/m3。
The emission-control equipment and conventional method of styrene application specific processor (granular adsorber) will be contained in the present embodiment
In the emission-control equipment without styrene application specific processor carry out operation comparison, above-mentioned apparatus acquires phase after operation 1 year
The technological parameter of pass.
Each technological parameter is as shown in the table:
Each stage purification efficiency comparison is as follows:
| Treatment effeciency | Application specific processor containing styrene | Conventional method |
| Burner outlet/system entry | 99.43% | 99.52% |
| Enrichment facility discharge outlet/system entry | 97.33% | 63.41% |
| System outlet/system entry | 97.54% | 67.02% |
As can be seen from the above embodiments, the present invention is effectively mentioned by setting styrene application specific processor (granular adsorber)
The high purification efficiency in each stage.
Specific embodiments of the present invention are described in detail above, but it is only used as example, the present invention is not intended to limit
In particular embodiments described above.To those skilled in the art, the equivalent modifications and replace that any couple of present invention carries out
In generation, is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and repair
Change, all should be contained within the scope of the invention.
Claims (11)
1. one kind waste gas treatment device of VOCs containing styrene characterized by comprising by the sequentially connected pretreatment of exhaust piping
Device (2), styrene pellets absorber (3), exhaust gas enrichment facility (4), adsorption treatment blower (5) and exhaust tube (6)；And it is used for
Blower (8) and combustion chamber (9) are concentrated in the heat exchanger (7) of concentrated gas desorption successively connected with pipeline.
2. one kind waste gas treatment device of VOCs containing styrene according to claim 1, which is characterized in that the exhaust gas concentration
Device (4) is zeolite runner absorption/desorption apparatus or activated carbon adsorption/desorption apparatus, and the cocnentration factor of exhaust gas is 10~30:1.
3. one kind waste gas treatment device of VOCs containing styrene according to claim 1, which is characterized in that the exhaust gas concentration
Device (4) is zeolite runner absorption/desorption apparatus comprising adsorption zone, cooling zone and desorption area.
4. one kind waste gas treatment device of VOCs containing styrene according to claim 3, which is characterized in that exhaust piping connects
It is connected to adsorption zone, adsorption zone outlet is connected to adsorption treatment blower (5), and air is connected via air filter (11) by pipeline
To cooling zone, the air of cooling zone outlet is connected to after heat exchanger (7) carries out heat exchange heating by pipeline is connected to desorption area, takes off
The high concentration concentrated gas of attached area outlet is connected to concentration blower (8) by pipeline.
5. one kind waste gas treatment device of VOCs containing styrene according to claim 1, which is characterized in that burner (9) goes out
The part high temperature purification exhaust gas of mouth enters heat exchanger (7) as heat source by pipeline, and the part high-temp waste gas after heat exchange is by changing
Air-heater (10) is mixed with remainder high-temp waste gas is connected directly to exhaust tube (6).
6. one kind waste gas treatment device of VOCs containing styrene according to claim 1, which is characterized in that the burner
It (9) is RCO- catalytic combustion burner or RTO- heat-accumulation combustion furnace.
7. one kind waste gas treatment device of VOCs containing styrene according to claim 1, which is characterized in that the styrene
Filling adsorption material in grain absorber (3), the adsorbent material have the molecular sieve or mesopore activated carbon of super large microcellular structure.
8. one kind waste gas treatment device of VOCs containing styrene according to claim 1, which is characterized in that exhaust piping connection
To fire arrester (1), fire arrester (1) outlet is connected to preprocessor (2).
9. one kind waste gas treatment device of VOCs containing styrene according to claim 1, which is characterized in that the preprocessor
It (2) is the dry filter for filtering the particulate matter in exhaust gas.
10. one kind exhaust gas treatment method of VOCs containing styrene, uses device according to any one of claims 1 to 9, special
Sign is, includes the following steps:
Large-wind-volume low-concentration organic exhaust gas containing styrene is accessed by exhaust gas entrance pipeline, and first preprocessed device (2) filters exhaust gas
In particulate matter；Using styrene pellets absorber (3), the styrene in exhaust gas is adsorbed；Exhaust gas after removing styrene is again
Into exhaust gas enrichment facility (4), the most of clean gas being discharged through exhaust gas enrichment facility (4) is sent by adsorption treatment blower (5)
Enter exhaust tube (6) high altitude discharge；Small air quantity high-concentration organic waste gas after concentrated is sent into burner (9) by concentration blower (8)
Fall remaining organic exhaust gas through high temperature burning handling, last gas up to standard is by exhaust tube (6) high altitude discharge.
11. styrene VOCs exhaust gas treatment method according to claim 10, which is characterized in that the exhaust gas concentration
Device (4) is zeolite runner absorption/desorption apparatus comprising adsorption zone, cooling zone and desorption area；The zeolite runner absorption/
Desorption apparatus can be completed at the same time the concentration of gas and the regeneration of zeolite by the rotation of runner on runner, and concrete operations are as follows:
Exhaust gas into exhaust gas enrichment facility (4) is adsorbed after area's adsorption cleaning directly at normal temperature by adsorption treatment blower (5) discharge
To exhaust tube (6)；Air via air filter (11) introduce cooling zone zeolite overheated zone is cooled down, then with burner
(9) enter desorption area after the part high temperature purification exhaust gas heat exchange heating being discharged to parse adsorption saturation part, parse
High concentration concentrated gas afterwards is net as high temperature at carbon dioxide and water via concentration blower (8) introducing combustion chamber (9) high-temperature oxydation
Change exhaust gas, part high temperature purification exhaust gas enters heat exchanger (7) as heat source, and high temperature purification exhaust gas in part after cooling is via heat exchange
Blower (10) is directly discharged to exhaust tube (6) after mixing with remainder high temperature purification exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533771.XA CN110227310A (en) | 2019-06-19 | 2019-06-19 | One kind VOCs containing styrene waste gas treatment device and method |
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| CN110898555A (en) * | 2019-12-05 | 2020-03-24 | 航天凯天环保科技股份有限公司 | Waste gas treatment device |
| CN111591610A (en) * | 2020-05-25 | 2020-08-28 | 河南平煤神马首山化工科技有限公司 | VOCs zero-emission storage system and method for organic material storage tank |
| CN112169537A (en) * | 2020-09-27 | 2021-01-05 | 上海交通大学 | Rapid temperature swing adsorption rotary wheel type direct air carbon dioxide capture system and method |
| CN112619368A (en) * | 2020-12-07 | 2021-04-09 | 南京瑞宜恒环境科技有限公司 | VOC waste gas treatment method |
| CN112624244A (en) * | 2021-01-08 | 2021-04-09 | 中国成达工程有限公司 | Method for efficiently removing volatile organic compounds in petrochemical wastewater |
| CN113440981A (en) * | 2021-07-08 | 2021-09-28 | 厦门宇春环保科技有限公司 | Organic waste gas treatment system, treatment process and production workshop |
| CN113975938A (en) * | 2021-11-19 | 2022-01-28 | 北京科技大学 | Rotary device and method for adsorbing and capturing carbon dioxide in flue gas at low temperature |
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| CN111591610A (en) * | 2020-05-25 | 2020-08-28 | 河南平煤神马首山化工科技有限公司 | VOCs zero-emission storage system and method for organic material storage tank |
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| CN112624244A (en) * | 2021-01-08 | 2021-04-09 | 中国成达工程有限公司 | Method for efficiently removing volatile organic compounds in petrochemical wastewater |
| CN113440981A (en) * | 2021-07-08 | 2021-09-28 | 厦门宇春环保科技有限公司 | Organic waste gas treatment system, treatment process and production workshop |
| CN113975938A (en) * | 2021-11-19 | 2022-01-28 | 北京科技大学 | Rotary device and method for adsorbing and capturing carbon dioxide in flue gas at low temperature |
| CN113975938B (en) * | 2021-11-19 | 2022-11-04 | 北京科技大学 | Rotary device and method for adsorbing and capturing carbon dioxide in flue gas at low temperature |
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