CN109012013A - A kind of method and device of exhaust gas desorption condensing recovery - Google Patents
A kind of method and device of exhaust gas desorption condensing recovery Download PDFInfo
- Publication number
- CN109012013A CN109012013A CN201810649063.8A CN201810649063A CN109012013A CN 109012013 A CN109012013 A CN 109012013A CN 201810649063 A CN201810649063 A CN 201810649063A CN 109012013 A CN109012013 A CN 109012013A
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- Prior art keywords
- desorption
- exhaust gas
- condenser
- heat exchanger
- gas
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Classifications
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- 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
- B01D53/04—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 stationary adsorbents
-
- 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
- B01D53/002—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 condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of method and devices of exhaust gas desorption condensing recovery, the described method includes: by air after heat exchanger heats, it is delivered in active carbon desorption apparatus by blower, further the volatile organic waste gas adsorbed in charcoal canister is desorbed out after heating, the mixed gas delivery generated after desorption is cooling into condenser, it is flowed into devil liquor recovery slot after volatile organic waste gas is cooling, air is discharged after gas-liquid separator separates；For this method using hot-air as medium, abundance, operating cost is low, will not generate secondary pollution；Described device includes heat exchanger, the active carbon desorption apparatus connecting respectively with heat exchanger and condenser, the gas-liquid separator and devil liquor recovery slot being connected on condenser, flow control valve and blower are also successively arranged on the pipeline connected between heat exchanger and active carbon desorption cabinet, structure is simple, it is stable, high-efficiency environment friendly.
Description
Technical field
The present invention relates to waste gas recovery technical field, in particular to a kind of method and device of exhaust gas desorption condensing recovery.
Background technique
Exhaust gas is one of environmental improvement " three wastes ", and the discharge for controlling exhaust gas is one of vital task of environmental improvement.It is existing
The present generally uses the harmful substance in activated carbon adsorption exhaust gas to the processing of exhaust gas, but there are certain replacement weeks for activated carbon adsorption
Phase needs replacing after adsorption saturation, and therefore, the regeneration of active carbon has important economy and society meaning；Current active carbon
Adsorbent equipment generally requires halt production when replacing active carbon, causes biggish economic loss to manufacturing enterprise.
The desorption mode after active carbon saturation is mostly that steam desorption gives up with what heated nitrogen made to adsorb on active carbon at present
The attached mode of qi exhaustion, mixed liquor of the mode of vapor desorption after the condensing recovery stage can generate condensate liquid and waste gas condensation,
It could be discharged after the processing of this mixed liquor needs, belong to secondary pollution；The exhaust gas adsorbed on active carbon is desorbed by heated nitrogen
Mode higher cost, preparing nitrogen, energy consumption is high, does not meet the economic interests of enterprise.
As it can be seen that the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of exhaust gas desorption condensing recoveries
Method and device, it is intended to solve the at high cost of the exhaust gas adsorbed in Detachment Activity charcoal in the prior art, be easy to cause secondary pollution
The technical issues of.
In order to achieve the above object, this invention takes following technical schemes:
A kind of method of exhaust gas desorption condensing recovery, comprising the following steps:
S001. it by air after heat exchanger heats, is delivered in active carbon desorption apparatus by blower, will further be lived after heating
The volatile organic waste gas adsorbed in property charcoal cylinder is desorbed out；
S002. the mixed gas delivery generated after step S001 desorption is cooling into condenser, after volatile organic waste gas is cooling
It flows into devil liquor recovery slot, air is discharged after gas-liquid separator separates.
The exhaust gas is desorbed in the method for condensing recovery, the sky being delivered in active carbon desorption apparatus in the step S001
The flow of gas is controlled by flow control valve.
In the method for the exhaust gas desorption condensing recovery, mixed gas delivery is carried out into heat exchanger in the step S002
Heat exchange enters back into condenser after tentatively cooling down.
A kind of exhaust gas desorption condensate recycling device, described device are applied to the method for the exhaust gas desorption condensing recovery
In.
The activity that in exhaust gas desorption condensate recycling device, described device includes heat exchanger, is connect respectively with heat exchanger
Charcoal desorption apparatus and condenser, the gas-liquid separator and devil liquor recovery slot being connected on condenser, heat exchanger and active carbon are desorbed
Flow control valve and blower, the inlet end and outlet of the active carbon desorption apparatus are also successively arranged on the pipeline connected between cabinet
End is connect with the first gas outlet of heat exchanger and the second gas outlet by pipeline respectively, the second gas outlet of condenser and heat exchanger
It is connected by pipeline, the lower section of condenser is arranged in devil liquor recovery slot, is connect by waste discharge pipeline with condenser.
In the exhaust gas desorption condensate recycling device, the active carbon desorption apparatus includes desorption cabinet, is set to desorption
Several mounting holes on wall box and the air heater being fixed on mounting hole, the air heater and mounting hole phase
Adaptation.
In exhaust gas desorption condensate recycling device, the air heater includes wire connecting portion and heating part, wire connecting portion and
Heating part is fixedly connected, and wire connecting portion is set to outside desorption cabinet, and desorption is protruded by the mounting hole on desorption cabinet in heating part
Box house.
In the exhaust gas desorption condensate recycling device, the blower and pipeline and air heater are connected to desorption cabinet
Outside.
In the exhaust gas desorption condensate recycling device, the devil liquor recovery slot is connected to the end of condenser by waste discharge pipeline
The bottom at end.
In the exhaust gas desorption condensate recycling device, the body fluid separator is fixedly connected on the top of the end of condenser
Portion.
The utility model has the advantages that
The present invention provides a kind of method and device of exhaust gas desorption condensing recovery, the method uses air as medium, leads to
It crosses heating air to be desorbed out by volatile organic exhaust gas in active carbon, then passes through condenser for the organic waste after desorption
Gas is converted into liquid, with air separation, does not generate secondary pollution, environment-friendly high-efficiency in the process；Air source as desorption medium
It is abundant, specially treated is needed not move through, Expenses Cost is low, and the mixed gas after desorption carries out heat by heat exchanger and fresh air
Exchange, reasonable energy utilization reduce energy consumption；Described device structure is simple, stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that condensate recycling device is desorbed in the exhaust gas provided by the invention.
Fig. 2 is the structural schematic diagram of the air heater.
Wherein, the direction of Fig. 1 and 2 arrow meaning is the direction of gas flowing.
Specific embodiment
The present invention provides a kind of method and device of exhaust gas desorption condensing recovery, to make the purpose of the present invention, technical solution
And effect is clearer, clear, the present invention is described in more detail as follows in conjunction with drawings and embodiments.It should be appreciated that this
Place is described, and specific examples are only used to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of method of exhaust gas desorption condensing recovery, comprising the following steps:
S001. it by air after heat exchanger heats, is delivered in active carbon desorption apparatus by blower, will further be lived after heating
The volatile organic waste gas adsorbed in property charcoal cylinder is desorbed out；
S002. the mixed gas delivery generated after step S001 desorption is cooling into condenser, after volatile organic waste gas is cooling
It flows into devil liquor recovery slot, air is discharged after gas-liquid separator separates.
The volatile organic waste gas adsorbed in charcoal canister is desorbed out by the above method by hot-air as medium, empty
Gas first by heat exchanger heat up, into active carbon desorption apparatus after be further heated to operating temperature, be desorbed out is organic
Exhaust gas by condenser it is cooling after with air separation, respectively in eductor condenser, secondary pollution will not be generated in the process, operation at
This is low, and the liquefied substance concentration for the organic exhaust gas being collected into is high, can further recycle, meet the economic benefit of enterprise.
Further, the flow for the air being delivered in active carbon desorption apparatus in the step S001 passes through flow control
Valve control；In real work, the quantity that can according to need the charcoal canister of desorption adjusts the flow of air, improves the benefit of the energy
With rate, the consumption of the energy is reduced.
Preferably, mixed gas delivery carries out entering back into after heat exchange tentatively cools down into heat exchanger in the step S002
In condenser；After mixed gas leaves active carbon desorption apparatus, heat exchange is carried out with fresh air into heat exchanger, is made fresh
The temperature of air rises, and own temperature reduces, and enters back into cooling in condenser, improves the utilization rate of the energy, reduces condenser
In the energy consumption, save cost.
A kind of exhaust gas desorption condensate recycling device, described device are applied to the method for the exhaust gas desorption condensing recovery
In.
Referring to Fig. 1, specifically, described device includes heat exchanger 1, the active carbon connecting respectively with heat exchanger 1 desorption dress
2 and condenser 3, the gas-liquid separator 4 and devil liquor recovery slot 5 that are connected on condenser 3 are set, heat exchanger 1 and active carbon desorption fill
Also be successively arranged flow control valve 7 and blower 6 on the pipeline connected between setting 2, the inlet end of the active carbon desorption apparatus 2 with go out
Gas end is connect with the first gas outlet 12 of heat exchanger 1 and the second gas outlet 13 by pipeline respectively, condenser 3 and heat exchanger 1
Second gas outlet 14 is connected by pipeline, and devil liquor recovery slot 5 is arranged in the lower section of condenser 3, passes through waste discharge pipeline 8 and condenser
3 connections.In above-mentioned apparatus, outside air enters in heat exchanger from the first air inlet 11 of heat exchanger, tentatively adds in heat exchanger
It is discharged after heat from the first gas outlet of heat exchanger, is transmitted in active carbon desorption apparatus after the pressurization of blower by pipeline,
It is further heated to operating temperature, then to the activity for reaching saturation state after absorption organic exhaust gas in active carbon desorption cabinet
Charcoal cylinder is desorbed, and in real work, the type of organic exhaust gas of the specific heating temperature of air depending on adsorbing in charcoal canister is true
Fixed, cabinet is desorbed with air discharge active carbon in the organic exhaust gas for being desorbed out, enters heat exchanger from the second air inlet for changing hot device
In, it is discharged after preliminary cooling from the second exhaust port of heat exchanger, subsequently into the organic waste air cooling in condenser, in mixed gas
It is discharged into devil liquor recovery slot, recycles after lime set, the air after removing organic exhaust gas is through gas-liquid separator gas-liquid separation
After be discharged into atmospheric environment；The apparatus structure is simple, stable, and work efficiency is high, will not generate secondary pollution, operation at
This is low, is suitble to the use demand of medium-sized and small enterprises.
Further, if the active carbon desorption apparatus 2 includes desorption cabinet 22, is set on desorption 22 side wall of cabinet
Dry mounting hole (not shown) and the air heater 21 being fixed on mounting hole, the air heater 21 and mounting hole
It is adapted.Air heater is set on active carbon desorption cabinet, is further heated to work temperature for the air to entrance
Degree；When the device operates normally, charcoal canister is put into desorption cabinet from the merging hole of desorption cabinet, and makes charcoal canister set
It connects on the heaters, covers merging port lid, the inner cavity of charcoal canister is made to be isolated from the outside, admit air into the inner cavity of charcoal canister
It is escaped afterwards across the barrel of charcoal canister, is in this process desorbed the exhaust gas adsorbed in charcoal canister, with air-flow through case is desorbed
Gas vent discharge at the top of body.
Please refer to Fig. 1 and 2, it is preferable that the air heating 21 includes wire connecting portion 211 and heating part 212, wire connecting portion 211
It is fixedly connected with heating part 212, wire connecting portion 211 is set to outside desorption cabinet 22, and heating part 212 passes through on desorption cabinet 22
Mounting hole protrudes into inside desorption cabinet 22.
The wire connecting portion is connected to power supply by electric wire；Preferably, gas service pipes, gas point are also socketed on heating part
Evenly distributed gas vent is provided in piping, for the air after heating to be evenly discharged in the inner cavity of charcoal canister,
Guarantee that the desorption effect of charcoal canister is balanced, improves the utilization rate of the energy；The wire connecting portion is set to the outside of desorption cabinet, keeps away
Exempt from wire connecting portion to be chronically in the environment of high temperature, generate heat fruit degree, influences its normal work.
Preferably, the blower 6 is connected to the outside of desorption cabinet 22 by pipeline and air heater 21；Make to enter sky
Air in hot-air heater is just assigned in the inner cavity of charcoal canister after being sufficiently heated, and guarantees desorption effect.
Preferably, the devil liquor recovery slot 5 is connected to the bottom of the end of condenser 3 by waste discharge pipeline 8；Pass through exhaust gas
Entire condenser is crossed, is fully cooled, gas-liquid separation rate is improved, reduction is discharged into volatile organic waste gas in the gas of atmospheric environment
Content, guarantee except useless effect.
Preferably, the gas-liquid separator 4 is fixedly connected on the top of the end of condenser 3；To being taken in the gas of discharge
The waste liquid of band is additionally separated, and reduces waste discharge amount.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (10)
1. a kind of method of exhaust gas desorption condensing recovery, which comprises the following steps:
S001. it by air after heat exchanger heats, is delivered in active carbon desorption apparatus by blower, will further be lived after heating
The volatile organic waste gas adsorbed in property charcoal cylinder is desorbed out；
S002. the mixed gas delivery generated after step S001 desorption is cooling into condenser, after volatile organic waste gas is cooling
It flows into devil liquor recovery slot, air is discharged after gas-liquid separator separates.
2. the method for exhaust gas desorption condensing recovery according to claim 1, which is characterized in that conveyed in the step S001
The flow of air into active carbon desorption apparatus is controlled by flow control valve.
3. the method for exhaust gas desorption condensing recovery according to claim 1, which is characterized in that mixed in the step S002
Gas, which is delivered in heat exchanger, enter back into condenser after heat exchange tentatively cools down.
4. condensate recycling device is desorbed in a kind of exhaust gas, which is characterized in that described device is applied to any one of claim 1-3 institute
In the method for the exhaust gas desorption condensing recovery stated.
5. condensate recycling device is desorbed in exhaust gas according to claim 4, which is characterized in that described device include heat exchanger,
The active carbon desorption apparatus and condenser that are connect respectively with heat exchanger, the gas-liquid separator and devil liquor recovery that are connected on condenser
Slot, heat exchanger and active carbon are desorbed on the pipeline connected between cabinet and are also successively arranged flow control valve and blower, the active carbon
The inlet end of desorption apparatus is connect with the first gas outlet of heat exchanger and the second gas outlet by pipeline respectively with outlet side, condensation
Second gas outlet of device and heat exchanger is connected by pipeline, and devil liquor recovery slot is arranged in the lower section of condenser, passes through waste discharge pipeline
It is connect with condenser.
6. condensate recycling device is desorbed in exhaust gas according to claim 5, which is characterized in that the active carbon desorption apparatus packet
Include desorption cabinet, several mounting holes being set on desorption wall box and the air heater being fixed on mounting hole, institute
Air heater is stated to be adapted with mounting hole.
7. condensate recycling device is desorbed in exhaust gas according to claim 6, which is characterized in that the air heater includes connecing
Line portion and heating part, wire connecting portion are fixedly connected with heating part, and wire connecting portion is set to outside desorption cabinet, and heating part passes through desorption case
Mounting hole on body protrudes into desorption box house.
8. condensate recycling device is desorbed in exhaust gas according to claim 6, which is characterized in that the blower and pipeline and sky
Hot-air heater is connected to the outside of desorption cabinet.
9. condensate recycling device is desorbed in exhaust gas according to claim 5, which is characterized in that the devil liquor recovery slot passes through row
Useless pipeline is connected to the bottom of the end of condenser.
10. condensate recycling device is desorbed in exhaust gas according to claim 5, which is characterized in that the body fluid separator is fixed
It is connected to the top of the end of condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649063.8A CN109012013A (en) | 2018-06-22 | 2018-06-22 | A kind of method and device of exhaust gas desorption condensing recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649063.8A CN109012013A (en) | 2018-06-22 | 2018-06-22 | A kind of method and device of exhaust gas desorption condensing recovery |
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| CN109012013A true CN109012013A (en) | 2018-12-18 |
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| CN201810649063.8A Pending CN109012013A (en) | 2018-06-22 | 2018-06-22 | A kind of method and device of exhaust gas desorption condensing recovery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624526A (en) * | 2019-09-24 | 2019-12-31 | 常州大学 | Adsorbent regenerating unit based on hot gas desorption method |
| CN111760419A (en) * | 2020-07-20 | 2020-10-13 | 广州鹏灏节能环保科技有限公司 | System and method for recycling organic waste gas by fluidized bed |
| CN114405222A (en) * | 2021-11-26 | 2022-04-29 | 南通众益鑫化工有限公司 | Novel compound tail gas absorption is handled and is used recovery device |
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| DE3935094A1 (en) * | 1989-10-21 | 1991-04-25 | Daimler Benz Ag | Solvent recovery - by activated carbon bed adsorption and desorption by membrane sepn. and condensation |
| JPH0537318U (en) * | 1991-10-24 | 1993-05-21 | 大阪瓦斯株式会社 | Adsorption tower |
| CN106474867A (en) * | 2016-09-22 | 2017-03-08 | 浙江诚信包装材料有限公司 | A kind of retracting device of organic exhaust gas and recovery method |
| CN106823682A (en) * | 2017-02-24 | 2017-06-13 | 吴燕华 | Decentralised adsorption, the waste gas cleaning system and purification method of concentrating desorption |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH226925A (en) * | 1942-07-08 | 1943-05-15 | Schuele Albert | Device for the thermal regeneration of solid absorbents. |
| JPS6158212B2 (en) * | 1978-10-11 | 1986-12-10 | Toho Reeyon Kk | |
| JPH0155888B2 (en) * | 1981-11-27 | 1989-11-28 | Taikisha Kk | |
| JPS61167430A (en) * | 1985-11-25 | 1986-07-29 | Toyobo Co Ltd | Method for recovering solvent from gas containing low-concentration solvent |
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| JPH0537318U (en) * | 1991-10-24 | 1993-05-21 | 大阪瓦斯株式会社 | Adsorption tower |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624526A (en) * | 2019-09-24 | 2019-12-31 | 常州大学 | Adsorbent regenerating unit based on hot gas desorption method |
| CN110624526B (en) * | 2019-09-24 | 2022-04-26 | 常州大学 | Adsorbent regenerating unit based on hot gas desorption method |
| CN111760419A (en) * | 2020-07-20 | 2020-10-13 | 广州鹏灏节能环保科技有限公司 | System and method for recycling organic waste gas by fluidized bed |
| CN114405222A (en) * | 2021-11-26 | 2022-04-29 | 南通众益鑫化工有限公司 | Novel compound tail gas absorption is handled and is used recovery device |
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Application publication date: 20181218 |