CN109966854A - A kind of method of anodized aluminium industry volatile organic compounds recovery - Google Patents
A kind of method of anodized aluminium industry volatile organic compounds recovery Download PDFInfo
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- CN109966854A CN109966854A CN201910408128.4A CN201910408128A CN109966854A CN 109966854 A CN109966854 A CN 109966854A CN 201910408128 A CN201910408128 A CN 201910408128A CN 109966854 A CN109966854 A CN 109966854A
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- exhaust gas
- gas
- activated carbon
- carbon fiber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- 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
- B01D53/04—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
- B01D53/0407—Constructional details of adsorbing systems
-
- 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
- B01D53/0454—Controlling adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- 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
- 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
-
- 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
-
- 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
- B01D2259/403—Further details for adsorption processes and devices using three beds
Abstract
The invention discloses a kind of methods of anodized aluminium industry volatile organic compounds recovery, include the following steps: to extract exhaust gas by air exhauster, complete waste gas collecting, through transmission channel by exhaust gas transmission to process chamber, the exhaust gas of acquisition is cooled down into processing, exhaust gas after cooling is pre-processed, efficiently remove the macromolecule organic and mechanical admixture in removing exhaust gas, particle dust, air filtration body and lysate is obtained, it will be sent into absorber by pretreated exhaust gas, using bed of activated carbon fiber cooling and remove remaining steam in removing exhaust gas, start automatic control system, to the concentration of exhaust gas, convey air quantity, gas flow rate is automatically detected, obtained lysate and gas, which imports, carries out rectifying recycling in rectifying column, realize the separation of organic solvent and water.
Description
Technical field
The present invention relates to organic matter recovery technology field more particularly to a kind of anodized aluminium industry volatile organic compounds recoveries
Method.
Background technique
Anodized aluminium, adhesive sticker enterprise production base, discharge a large amount of volatile organic matter every year.Volatile organic matter is
The principal element that one of the reason of causing haze weather to be formed and ozone are formed, therefore be that weight is needed in prevention and control of air pollution
The part of point prevention and control, country have also put into effect a variety of laws and regulations strictly to limit Volatile organic emissions.
Such organic exhaust gas is toxic inflammable and explosive, not only pollutes atmospheric environment, also causes seriously to the safety in production of enterprise
Threat, while causing the significant wastage of resource.It studies according to investigations, the external same industry has the experiment recycled using cryogenic freezing
Scheme introduction, but the program haves the shortcomings that energy consumption is high, disposable investment is big, treating capacity is small, industrialization is not implemented, the country is directed to
It is of the same trade less using improvement.It is investigated, is had using active carbon adsorption biggish according to the industry to anodized aluminium, adhesive sticker industry
Actuality and operability.
Summary of the invention
The invention proposes a kind of methods of anodized aluminium industry volatile organic compounds recovery, to solve in above-mentioned background technique
The problem of proposition.
The invention proposes a kind of methods of anodized aluminium industry volatile organic compounds recovery, include the following steps:
S1: extracting exhaust gas by air exhauster, completes waste gas collecting, through transmission channel by exhaust gas transmission to process chamber；
S2: the exhaust gas of acquisition is cooled down into processing；
S3: pre-processing the exhaust gas after cooling, efficiently removes macromolecule organic and mechanical admixture, particle in removing exhaust gas
Air filtration body and lysate, preprocessing process is obtained in dust are as follows:
A, by analysis exhaust gas organic gas type, the factors such as concentration, molecular size determine adsorbent material activated carbon fiber
Carbon gap, specific surface area；
B, exhaust gas is imported on the activated carbon fiber for adsorbing a certain amount of organic solvent, exhaust gas is when passing through activated carbon fiber, removal
Macromolecule organic and mechanical admixture, particle dust in exhaust gas；
C, start saturated vapor flusher, saturated vapor flusher is mounted on above activated carbon fiber, from top to bottom
Saturated vapor is sprayed on activated carbon fiber to be parsed, and after being parsed, will be sent into absorption by the outside air of filtering
Device is dried activated carbon fiber by blower, and activated carbon fiber is made to keep the adsorption efficiency of height, realizes and is effectively desorbed again
It can prevent destruction of the exhaust gas to activated carbon fiber；
S4: will be sent into absorber by pretreated exhaust gas, using bed of activated carbon fiber cooling and go in removing exhaust gas to remain
Steam；
S5: starting automatic control system automatically detects the concentration of exhaust gas, conveying air quantity, gas flow rate；
S6: obtained lysate and gas are imported and carry out rectifying recycling in rectifying column, realizes the separation of organic solvent and water.
Preferably, in the S1, during exhaust extraction, using formula part gas gathering mask is arranged in negative pressure, for every pumping
One individually local gas gathering mask is all set on machine, when acquire exhaust gas, by local gas gathering mask alignment exhaust gas region, air exhauster at
Row puts, and the use of local gas gathering mask greatly improves the efficiency of waste gas collecting, reduces the cost of work, when exhaust, will give up
Conductance enters in closed container, to prevent the diffusion of exhaust gas, is then pooled on exhaust main pipe, be ensure that organic by branch wind pipe
The collection rate of exhaust gas, exhaust gas will not be spread.
Preferably, in the S1, transmission channel junction uses the gasket and pneumatic two logical flapper valve of special construction,
Make to be not in gas leakage in entire exhaust gas transmit process, ensure that the safety of operational site.
Preferably, in the S2, for exhaust gas is imported cooling chamber, starting is mounted on cooling indoor cooling for cooling processing
Device adds contact chip on the surface of cooler, increases the contact area of cooler and exhaust gas, quickly reduces the temperature of exhaust gas, complete
The cooling of pairs of exhaust gas.
Preferably, in the S3, activated carbon fiber is high-performance composite adsorption activated carbon fibre, and high-performance composite adsorption is living
Property Carbon fibe have that effective adsorption capacity is big, adsorption plant is small, adsorption efficiency is high, adsorption/desorption is fast, organic exhaust gas recycling is sharp
The advantages that high with rate, so that whole improve the purifying rate and the rate of recovery of project.
Preferably, in the S4, there are three the absorber is set, three absorbers are controlled by PLC automatic control system,
Three absorber switch operatings improve adsorption capacity and recycling dose rate.
Preferably, in the S4, it is provided with bed temperature warning device in bed of activated carbon fiber cooling, once temperature is super
Design value is crossed, system just automatic alarm and automatically switches home, while starting cooling device, and guarantee system is normally transported
Row.
Preferably, in the S5, automatic control system uses PLC automatic control system, once accident occurs can be automatic
It handles and automatically switches, to realize the left unguarded of entire processing system operational process, PLC automatic control system is controlled automatically
System ensure that the safety of organic matter recycling.
Preferably, in the S6, rectifying recycling designs rectifying column using Plate-to-plate calculation and material balance method, and use is cold
But water tower replaces the cooling water circulation tank of tradition, forces the gas and liquid two phases of lysate to do reverse flow in tower body, utilizes lysate
Middle each component has different volatility, realizes the separation of organic solvent and water.
A kind of method of anodized aluminium industry volatile organic compounds recovery proposed by the present invention, beneficial effect are:
1, the present invention select high-performance composite adsorption activated carbon fibre replace conventional granular active carbon, powdered activated carbon, be allowed to
Traditional active carbon be adsorbent carbonaceous absorption method compare, activated carbon fibre have effective adsorption capacity is big, adsorption efficiency is high,
Adsorption/desorption is fast, so that whole improve the purifying rate and the rate of recovery of project.
2, the present invention eliminates traditional handicraft on the basis of determining pretreatment, cooling, adsorption/desorption various process parameters
In to the cooling procedure of absorbent after adsorption/desorption, efficiently remove the macromolecule organic and mechanical admixture, particle dirt in removing exhaust gas
Angstrom etc., to guarantee that the safety of adsorption and desorption process carries out and improve the service life of adsorbent material.
3, the present invention replaces the cooling water circulation tank of tradition using cooling tower, forces the gas and liquid two phases of mixture in tower body
In do reverse flow, using each component in mixed liquor have different volatility, to realize the separation of organic solvent and water.
4, the present invention is provided with bed temperature warning device, once temperature has been more than design value, just automatic alarm is simultaneously for system
Automatically switch home, while starting cooling device, guarantees that system operates normally.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
The invention proposes a kind of methods of anodized aluminium industry volatile organic compounds recovery, include the following steps:
S1: extracting exhaust gas by air exhauster, completes waste gas collecting, through transmission channel by exhaust gas transmission to process chamber,
During exhaust extraction, using formula part gas gathering mask is arranged in negative pressure, for an individually part collection is all arranged on every air exhauster
Local gas gathering mask is directed at exhaust gas region when acquiring exhaust gas by gas hood, and air exhauster is in a row put, and local gas gathering mask uses pole
The efficiency of big raising waste gas collecting, reduces the cost of work, when exhaust, exhaust gas is imported in closed container, to prevent
Then the diffusion of exhaust gas is pooled on exhaust main pipe by branch wind pipe, ensure that the collection rate of organic exhaust gas, exhaust gas will not expand
It dissipates, transmission channel junction uses the gasket and pneumatic two logical flapper valve of special construction, makes in entire exhaust gas transmit process
Be not in gas leakage, ensure that the safety of operational site；
S2: cooling down processing for the exhaust gas of acquisition, and for exhaust gas is imported cooling chamber, starting is mounted on cold for cooling processing
Indoor cooler adds contact chip on the surface of cooler, increases the contact area of cooler and exhaust gas, quickly reduces useless
The temperature of gas, completes the cooling to exhaust gas, and cooling chamber is settable multiple, it is ensured that the temperature of exhaust gas reduces；
S3: pre-processing the exhaust gas after cooling, efficiently removes macromolecule organic and mechanical admixture, particle in removing exhaust gas
Air filtration body and lysate, preprocessing process is obtained in dust are as follows:
A, by analysis exhaust gas organic gas type, the factors such as concentration, molecular size determine adsorbent material activated carbon fiber
Carbon gap, specific surface area, accurate carbon gap and specific surface area effectively improve the adsorption capacity of activated carbon fiber；
B, exhaust gas is imported on the activated carbon fiber for adsorbing a certain amount of organic solvent, exhaust gas is when passing through activated carbon fiber, removal
Macromolecule organic and mechanical admixture, particle dust in exhaust gas, activated carbon fiber are high-performance composite adsorption activated carbon fibre,
High-performance composite adsorption activated carbon fibre have effective adsorption capacity is big, adsorption plant is small, adsorption efficiency is high, adsorption/desorption is fast,
The advantages that organic exhaust gas resource utilization rate is high, so that whole improve the purifying rate and the rate of recovery of project；
C, start saturated vapor flusher, saturated vapor flusher is mounted on above activated carbon fiber, from top to bottom
Saturated vapor is sprayed on activated carbon fiber to be parsed, and after being parsed, will be sent into absorption by the outside air of filtering
Device is dried activated carbon fiber by blower, and activated carbon fiber is made to keep the adsorption efficiency of height, realizes and is effectively desorbed again
It can prevent destruction of the exhaust gas to activated carbon fiber；
S4: will be sent into absorber by pretreated exhaust gas, using bed of activated carbon fiber cooling and go in removing exhaust gas to remain
Steam, there are three absorber is set, three absorbers are controlled by PLC automatic control system, and three absorber switch operatings mention
High adsorption capacity and recycling dose rate are provided with bed temperature warning device on bed of activated carbon fiber is cooling, once temperature is super
Design value is crossed, system just automatic alarm and automatically switches home, while starting cooling device, and guarantee system is normally transported
Row；
S5: starting automatic control system automatically detects the concentration of exhaust gas, conveying air quantity, gas flow rate, is automatically controlled
System uses PLC automatic control system, can automatically process and automatically switch once accident occurs, to realize entire processing
The left unguarded of system operation, PLC automatic control system automatically control the safety that ensure that organic matter recycling；
S6: obtained lysate and gas being imported and carry out rectifying recycling in rectifying column, realizes the separation of organic solvent and water,
Rectifying recycling designs rectifying column using Plate-to-plate calculation and material balance method, and rectifying column carries out rectifying using column plate type, uses
Cooling tower replaces the cooling water circulation tank of tradition, forces the gas and liquid two phases of lysate to do reverse flow in tower body, utilizes dissolution
Each component has different volatility in liquid, realizes the separation of organic solvent and water.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of method of anodized aluminium industry volatile organic compounds recovery, which comprises the following steps:
S1: extracting exhaust gas by air exhauster, completes waste gas collecting, through transmission channel by exhaust gas transmission to process chamber；
S2: the exhaust gas of acquisition is cooled down into processing；
S3: pre-processing the exhaust gas after cooling, efficiently removes macromolecule organic and mechanical admixture, particle in removing exhaust gas
Air filtration body and lysate, preprocessing process is obtained in dust are as follows:
A, by analysis exhaust gas organic gas type, the factors such as concentration, molecular size determine adsorbent material activated carbon fiber
Carbon gap, specific surface area；
B, exhaust gas is imported on the activated carbon fiber for adsorbing a certain amount of organic solvent, exhaust gas is when passing through activated carbon fiber, removal
Macromolecule organic and mechanical admixture, particle dust in exhaust gas；
C, start saturated vapor flusher, saturated vapor flusher is mounted on above activated carbon fiber, from top to bottom
Saturated vapor is sprayed on activated carbon fiber to be parsed, and after being parsed, will be sent into absorption by the outside air of filtering
Device is dried activated carbon fiber by blower, and activated carbon fiber is made to keep the adsorption efficiency of height, realizes and is effectively desorbed again
It can prevent destruction of the exhaust gas to activated carbon fiber；
S4: will be sent into absorber by pretreated exhaust gas, using bed of activated carbon fiber cooling and go in removing exhaust gas to remain
Steam；
S5: starting automatic control system automatically detects the concentration of exhaust gas, conveying air quantity, gas flow rate；
S6: obtained lysate and gas are imported and carry out rectifying recycling in rectifying column, realizes the separation of organic solvent and water.
2. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
In S1, during exhaust extraction, using formula part gas gathering mask is arranged in negative pressure, for one is all arranged on every air exhauster individually
Local gas gathering mask is directed at exhaust gas region, air exhauster is in a row put, local gas gathering mask when acquiring exhaust gas by local gas gathering mask
Using the great efficiency for improving waste gas collecting, the cost of work is reduced, when exhaust, exhaust gas is imported in closed container,
To prevent the diffusion of exhaust gas, then it is pooled on exhaust main pipe by branch wind pipe, ensure that the collection rate of organic exhaust gas, exhaust gas is not
It can spread.
3. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
In S1, transmission channel junction uses the gasket and pneumatic two logical flapper valve of special construction, makes entire exhaust gas transmit process
In be not in gas leakage, ensure that the safety of operational site.
4. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
In S2, for exhaust gas is imported cooling chamber, starting is mounted on cooling indoor cooler, adds on the surface of cooler for cooling processing
Contact chip increases the contact area of cooler and exhaust gas, quickly reduces the temperature of exhaust gas, completes the cooling to exhaust gas.
5. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
In S3, activated carbon fiber is high-performance composite adsorption activated carbon fibre, and high-performance composite adsorption activated carbon fibre, which has, effectively inhales
The advantages that attached capacity is big, adsorption plant is small, adsorption efficiency is high, adsorption/desorption is fast, organic exhaust gas resource utilization rate is high, thus whole
Body improves the purifying rate and the rate of recovery of project.
6. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
In S4, there are three the absorber is set, three absorbers are controlled by PLC automatic control system, three absorber switch operatings,
Improve adsorption capacity and recycling dose rate.
7. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
Be provided with bed temperature warning device in S4, on bed of activated carbon fiber is cooling, once temperature has been more than design value, system just from
It is dynamic to alarm and automatically switch home, while starting cooling device, guarantee that system operates normally.
8. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
In S5, automatic control system uses PLC automatic control system, can automatically process and automatically switch once accident occurs, thus
The left unguarded of entire processing system operational process is realized, PLC automatic control system automatic control ensure that organic matter recycles
Safety.
9. a kind of method of anodized aluminium industry volatile organic compounds recovery according to claim 1, which is characterized in that described
In S6, rectifying recycling designs rectifying column using Plate-to-plate calculation and material balance method, replaces tradition cooling using cooling tower
Water circulation tank forces the gas and liquid two phases of lysate to do reverse flow in tower body, has using each component in lysate different
Volatility realizes the separation of organic solvent and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408128.4A CN109966854A (en) | 2019-05-17 | 2019-05-17 | A kind of method of anodized aluminium industry volatile organic compounds recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408128.4A CN109966854A (en) | 2019-05-17 | 2019-05-17 | A kind of method of anodized aluminium industry volatile organic compounds recovery |
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| Publication Number | Publication Date |
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| CN109966854A true CN109966854A (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910408128.4A Withdrawn CN109966854A (en) | 2019-05-17 | 2019-05-17 | A kind of method of anodized aluminium industry volatile organic compounds recovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112958574A (en) * | 2021-03-12 | 2021-06-15 | 濉溪县宗诺塑业有限公司 | Harmful gas filter equipment is used in plastics production and processing |
| CN113521963A (en) * | 2021-08-12 | 2021-10-22 | 伯乐氛(北京)环境技术有限公司 | Industrial organic waste gas treatment method |
-
2019
- 2019-05-17 CN CN201910408128.4A patent/CN109966854A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112958574A (en) * | 2021-03-12 | 2021-06-15 | 濉溪县宗诺塑业有限公司 | Harmful gas filter equipment is used in plastics production and processing |
| CN113521963A (en) * | 2021-08-12 | 2021-10-22 | 伯乐氛(北京)环境技术有限公司 | Industrial organic waste gas treatment method |
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