CN202212089U - Device for processing high-concentration large-volume organic gas - Google Patents
Device for processing high-concentration large-volume organic gas Download PDFInfo
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- CN202212089U CN202212089U CN2011203328679U CN201120332867U CN202212089U CN 202212089 U CN202212089 U CN 202212089U CN 2011203328679 U CN2011203328679 U CN 2011203328679U CN 201120332867 U CN201120332867 U CN 201120332867U CN 202212089 U CN202212089 U CN 202212089U
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Abstract
The utility model discloses a device for processing high-concentration large-volume organic gas. The device comprises an adsorption device and an desorption regeneration device, wherein the adsorption device comprises an automatic back-flushing filter for filtering tail gas; the automatic back-flushing filter is communicated with an adsorption fan through a pipeline; the adsorption fan is communicated with a surface cooler; the surface cooler is communicated with a granular active carbon adsorber for primary adsorption of tail gas; the granular active carbon adsorber is communicated with an active carbon fiber adsorber for secondary adsorption of the tail gas subject to primary adsorption; and the granular active carbon adsorber and the active carbon fiber adsorber are respectively communicated with a drying fan for extracting fresh air. The device provided by the utility model effectively combines the advantages of both the granular active carbon adsorber and the active carbon fiber adsorber, achieves global standard emission for treatment of the high-concentration large-volume organic waste gas, and has a favorable application prospect and the benefits of environment-friendliness and economy.
Description
Technical field
The utility model relates to the device of a kind of treatment of high concentration, big air quantity organic gas.
Background technology
In industries such as chemical industry, petrochemical industry, medicine, printing, electronics; Extensively adopt the organic exhaust gas that is produced in the adsorption technology processing production process at present; And have good treatment effect, but then need just can reach the discharge standard of country through multistage absorption for the organic exhaust gas of high concentration, big air quantity.Granular activated carbon and NACF are the most widely used sorbing materials.
Grain active carbon (GAC) is a kind of granule activated carbon, and its particle diameter is 500～5000 μ m, and the pore structure of GAC is the pore size distribution with three disperseds.Specific area 800～1000m
2/ g, the duct is long, and the VOCs transmission speed is slower, and desorption temperature is high.Price is lower, and maintenance cost is low.It is mainly used in the adsorption treatment of the organic exhaust gas that component is many, concentration is high, air quantity is big.
Activated carbon fiber (ACF) is a kind of fibrous active carbon, and its micropore is etched in a root than on the thin a lot of filament of hairline by steam in its manufacture process, specific area 1200m
2/ g, microcellular structure is flourishing and be present in fiber surface, and the duct is short, inhales, desorption rate is fast, and it is high to reclaim solvent quality.But price is more expensive, and it is mainly used in the environmental requirement strictness, the recovery quality is high, composition is single, the adsorption treatment of the organic exhaust gas of middle low concentration.
Chinese patent ZL200720041443.0 discloses a kind of Activated Carbon Fiber And Granular Carbon Mixed Solvent Recovery Unit; This patent is positioned over NACF and particle charcoal in the same bed, because NACF is different with the adsorption rate of particle charcoal, the optimal adsorption speed of particle charcoal is at 0.2～0.6m/s; And the optimal adsorption speed of NACF is at 0.01～0.1m/s; Therefore, two kinds of different adsorption materials in same bed, be difficult to make both to reach best adsorption effect.
If adopt GAC+GAC secondary absorption apparatus processes high concentration, big air quantity organic gas, then be difficult to reach discharging standards.If adopt ACF+ACF secondary absorption apparatus processes high concentration, big air quantity organic gas; Because the ACF loading density is little, so the adsorption plant design is huge, and the designing requirement of bearing the pressure and temperature aspect is higher relatively; Occupation area of equipment is big, and equipment investment cost is very high.
The utility model content
The purpose of the utility model is to provide the device of a kind of treatment of high concentration, big air quantity organic gas, and it adopts grain active carbon and activated carbon fiber to carry out the organic waste gas treatment device of double stage tandem absorption.
Its technical solution is:
The device of a kind of treatment of high concentration, big air quantity organic gas; It comprises adsorbent equipment and desorption and regeneration device; Adsorbent equipment comprises and is used for automatic back blow filter that tail gas is filtered; The automatic back blow filter is connected with the absorption blower fan through pipeline; The absorption blower fan through pipeline be used for being connected to adsorbing the surface cooler that tail gas is lowered the temperature after the filtration that blower fan introduces; Surface cooler is connected with the grain active carbon absorber that is used for the back tail gas of lowering the temperature is carried out one-level absorption, the grain active carbon absorber be used for one-level adsorbed after the tail gas activated carbon fiber absorber that carries out secondary absorption be connected, grain active carbon absorber, activated carbon fiber absorber are connected with the drying air fan that is used to take out fresh air respectively.
Above-mentioned desorption and regeneration device comprises steam feeding mechanism, soft water heat exchanger, condenser, spiral-plate heat exchanger and layering groove; The grain active carbon absorber is connected with the steam feeding mechanism through pipeline respectively with the upper end of activated carbon fiber absorber; The lower end of grain active carbon absorber and activated carbon fiber absorber discharge through the steam of pipeline after respectively desorption and compile after be connected with soft water heat exchanger, condenser, spiral-plate heat exchanger successively again, spiral-plate heat exchanger is connected with the layering groove through pipeline.
Above-mentioned grain active carbon absorber is vertical absorber or horizontal absorber, and said activated carbon fiber absorber is the ring type absorber.
The useful technique effect of the utility model is:
The utility model has avoided adopting GAC+GAC secondary absorption apparatus processes high concentration, big air quantity organic gas phenomenon not up to standard; Also avoided simultaneously the investment of employing ACF+ACF secondary absorption apparatus processes high concentration organic gas apparatus big; The shortcoming that designing requirement is high; Effectively combined the advantage of two kinds of adsorbent equipments, can satisfy discharging standards, equipment investment simultaneously is reasonable; Realized the omnidistance qualified discharge of high concentration, big air quantity organic exhaust gas processing is had a good application prospect and environmental protection, economic benefit.
Description of drawings
Fig. 1 is the structural principle sketch map of the utility model.
Among the figure: 1-adsorbs blower fan; 2-automatic back blow filter; The 3-surface cooler; 4-grain active carbon absorber; 5-activated carbon fiber absorber; 6-soft water heat exchanger; The 7-condenser; The 8-spiral-plate heat exchanger; 9-layering groove; The 10-reservoir; The 11-drying air fan.
The specific embodiment
In conjunction with accompanying drawing; The device of a kind of treatment of high concentration, big air quantity organic gas; It comprises adsorbent equipment and desorption and regeneration device; Adsorbent equipment comprises and is used for automatic back blow filter 2 that tail gas is filtered; Automatic back blow filter 2 is connected with absorption blower fan 1 through pipeline, and absorption blower fan 1 is connected with the surface cooler 3 that is used for tail gas after the filtration introduced of absorption blower fan 1 is lowered the temperature through pipeline, surface cooler 3 be used for that tail gas after lowering the temperature is carried out the grain active carbon absorber 4 that one-level adsorbs and be connected; Grain active carbon absorber 4 is connected with the activated carbon fiber absorber 5 that is used for the tail gas after the one-level absorption is carried out secondary absorption, and grain active carbon absorber 4, activated carbon fiber absorber 5 are connected with the drying air fan 11 that is used to take out fresh air respectively.The desorption and regeneration device comprises steam feeding mechanism, soft water heat exchanger 6, condenser 7, spiral-plate heat exchanger 8 and layering groove 9; Grain active carbon absorber 4 is connected with the steam feeding mechanism through pipeline respectively with the upper end of activated carbon fiber absorber 5; The lower end of grain active carbon absorber 4 and activated carbon fiber absorber 5 discharge through the steam of pipeline after respectively desorption and compile after be connected with soft water heat exchanger 6, condenser 7, spiral-plate heat exchanger 8 successively again; Spiral-plate heat exchanger 8 is connected with layering groove 9 through pipeline; Liquid in the layering groove 9 reclaims the solvent on upper strata and is transferred to reservoir 10 after gravitational separation.
Above-mentioned grain active carbon absorber 4 is set to two with the individual number average of activated carbon fiber absorber 5, and certainly, according to the size of air quantity, the number of grain active carbon absorber and activated carbon fiber absorber can be carried out corresponding increase and decrease.
Above-mentioned grain active carbon absorber 4 is designed to vertical absorber, and inside is filled with the seed activity carbon adsorbing material, and filling thickness is 300～1500mm; Above-mentioned activated carbon fiber absorber is designed to the ring type absorber.
But said apparatus concentration of treatment scope is 10-100g/m
3, the air quantity scope is 10000-100000Nm
3The organic gas of the high concentration of/h, big air quantity.
Concrete processing procedure below in conjunction with waste gas is described further the utility model.
From the tail gas that contains heptane solvent of chemical industry workshop, heptane concentration is 10g/m
3, air quantity is 60000m
3/ h, this tail gas at first filter through automatic back blow filter 2, are introduced by absorption blower fan 1 again; Getting into surface cooler 3 lowers the temperature; Get into grain active carbon absorber 4 then and carry out one-level absorption, the one-level adsorption efficiency is more than 80%, through the about 2g/m of one-level absorption back heptane concentration
3Get into activated carbon fiber absorber 5 through the tail gas after the one-level absorption and carry out secondary absorption, the concentration＜120mg/m of heptane in the tail gas after the secondary absorption
3, reach the emission request of GB16297-1996 " discharge standard of air pollutants ".When grain active carbon absorber 4 or activated carbon fiber absorber 5 reach breakthrough point, carry out desorption and regeneration to the saturated vapor of feeding＜0.1MPa wherein respectively, the heptane water vapour that contains of desorption passes through soft water heat exchanger 6 after the pooling; With the heat exchange of boiler soft water, reclaim a part of heat, be cooled to about 20 ℃ through condenser 7, spiral-plate heat exchanger 8 successively then; Get into 9 layerings of layering groove again; After gravitational separation, reclaim the heptane solvent on upper strata, be placed in the reservoir 10.After desorb finished, the dry air after drying air fan 11 will filter feeds the one-level adsorption tower respectively and the secondary absorption tower cools to active carbon adsorption device and activated carbon fiber absorber respectively; Absorber behind the regeneration ending changes adsorbed state once more over to, and repetitive cycling is used.Above system adopts automation control (PLC) module able to programme efficiently to move automatically.
Above-mentioned explanation is not to be the restriction to the utility model; The utility model also not only is confined to above-mentioned giving an example; Variation, remodeling, interpolation or replacement that the technical staff in present technique field is made in the essential scope of the utility model also should belong to the protection domain of the utility model.
Claims (3)
1. the device of a treatment of high concentration, big air quantity organic gas; Be characterised in that: it comprises adsorbent equipment and desorption and regeneration device; Adsorbent equipment comprises and is used for automatic back blow filter that tail gas is filtered; The automatic back blow filter is connected with the absorption blower fan through pipeline; The absorption blower fan through pipeline be used for being connected to adsorbing the surface cooler that tail gas is lowered the temperature after the filtration that blower fan introduces; Surface cooler is connected with the grain active carbon absorber that is used for the back tail gas of lowering the temperature is carried out one-level absorption, the grain active carbon absorber be used for one-level adsorbed after the tail gas activated carbon fiber absorber that carries out secondary absorption be connected, grain active carbon absorber, activated carbon fiber absorber are connected with the drying air fan that is used to take out fresh air respectively.
2. the device of a kind of treatment of high concentration according to claim 1, big air quantity organic gas; It is characterized in that: said desorption and regeneration device comprises steam feeding mechanism, soft water heat exchanger, condenser, spiral-plate heat exchanger and layering groove; The grain active carbon absorber is connected with the steam feeding mechanism through pipeline respectively with the upper end of activated carbon fiber absorber; The lower end of grain active carbon absorber and activated carbon fiber absorber discharge through the steam of pipeline after respectively desorption and compile after be connected with soft water heat exchanger, condenser, spiral-plate heat exchanger successively again, spiral-plate heat exchanger is connected with the layering groove through pipeline.
3. the device of a kind of treatment of high concentration according to claim 1 and 2, big air quantity organic gas, it is characterized in that: said grain active carbon absorber is vertical absorber or horizontal absorber, and said activated carbon fiber absorber is the ring type absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203328679U CN202212089U (en) | 2011-09-06 | 2011-09-06 | Device for processing high-concentration large-volume organic gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203328679U CN202212089U (en) | 2011-09-06 | 2011-09-06 | Device for processing high-concentration large-volume organic gas |
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| CN202212089U true CN202212089U (en) | 2012-05-09 |
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| CN2011203328679U Expired - Lifetime CN202212089U (en) | 2011-09-06 | 2011-09-06 | Device for processing high-concentration large-volume organic gas |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203135A (en) * | 2013-01-31 | 2013-07-17 | 上海博恩世通光电股份有限公司 | Filtration system and filtration method for tail gas particle of MOCVD equipment |
| CN103212249A (en) * | 2013-04-18 | 2013-07-24 | 同济大学 | Air treating system with in-situ recycling function |
| CN103990351A (en) * | 2014-05-31 | 2014-08-20 | 蔡博 | Purification recovery device and technology for volatility organic waste gas |
| CN104028075A (en) * | 2014-05-31 | 2014-09-10 | 蔡博 | Device and process for recycling organic gas through low-pressure dry-type indirect heating desorption |
| CN104329934A (en) * | 2014-11-21 | 2015-02-04 | 柳州市永和彩印包装有限公司 | Environment-friendly and energy-saving dryer |
| CN104958994A (en) * | 2015-07-06 | 2015-10-07 | 陶器 | System and method for treating waste gas containing VOCs (volatile organic compounds) |
| CN104958992A (en) * | 2015-07-06 | 2015-10-07 | 陶器 | Device for prolonging service life of activated carbon, using method thereof and application |
| CN109432812A (en) * | 2018-10-08 | 2019-03-08 | 佑华制药（乐山）有限公司 | A kind of pharmacy subliming furnace and its application method with tail gas recycle function |
| CN109806715A (en) * | 2019-03-06 | 2019-05-28 | 苏州弘维环境科技有限公司 | A kind of exhaust-gas treatment special-purpose activated charcoal Adsorption Concentration nitrogen desorption condensing unit |
| CN109806713A (en) * | 2019-01-22 | 2019-05-28 | 河北泰帆环保工程有限公司 | A kind of toluene waste gas processing method |
-
2011
- 2011-09-06 CN CN2011203328679U patent/CN202212089U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203135B (en) * | 2013-01-31 | 2015-08-19 | 上海博恩世通光电股份有限公司 | The exhaust particulate filtration system of MOCVD device and method |
| CN103203135A (en) * | 2013-01-31 | 2013-07-17 | 上海博恩世通光电股份有限公司 | Filtration system and filtration method for tail gas particle of MOCVD equipment |
| CN103212249A (en) * | 2013-04-18 | 2013-07-24 | 同济大学 | Air treating system with in-situ recycling function |
| CN103990351B (en) * | 2014-05-31 | 2016-05-25 | 蔡博 | A kind of purification recovery device of volatile organic waste gas |
| CN103990351A (en) * | 2014-05-31 | 2014-08-20 | 蔡博 | Purification recovery device and technology for volatility organic waste gas |
| CN104028075A (en) * | 2014-05-31 | 2014-09-10 | 蔡博 | Device and process for recycling organic gas through low-pressure dry-type indirect heating desorption |
| CN104329934A (en) * | 2014-11-21 | 2015-02-04 | 柳州市永和彩印包装有限公司 | Environment-friendly and energy-saving dryer |
| CN104958994A (en) * | 2015-07-06 | 2015-10-07 | 陶器 | System and method for treating waste gas containing VOCs (volatile organic compounds) |
| CN104958992A (en) * | 2015-07-06 | 2015-10-07 | 陶器 | Device for prolonging service life of activated carbon, using method thereof and application |
| CN104958992B (en) * | 2015-07-06 | 2017-12-29 | 陶器 | Extend device, its application method and the application of activated carbon service life |
| CN104958994B (en) * | 2015-07-06 | 2018-05-01 | 陶器 | The processing system and processing method of the exhaust gas containing VOCs |
| CN109432812A (en) * | 2018-10-08 | 2019-03-08 | 佑华制药（乐山）有限公司 | A kind of pharmacy subliming furnace and its application method with tail gas recycle function |
| CN109806713A (en) * | 2019-01-22 | 2019-05-28 | 河北泰帆环保工程有限公司 | A kind of toluene waste gas processing method |
| CN109806715A (en) * | 2019-03-06 | 2019-05-28 | 苏州弘维环境科技有限公司 | A kind of exhaust-gas treatment special-purpose activated charcoal Adsorption Concentration nitrogen desorption condensing unit |
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Granted publication date: 20120509 |
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