CN106178824A - VOCs treatment technique - Google Patents
VOCs treatment technique Download PDFInfo
- Publication number
- CN106178824A CN106178824A CN201610743242.9A CN201610743242A CN106178824A CN 106178824 A CN106178824 A CN 106178824A CN 201610743242 A CN201610743242 A CN 201610743242A CN 106178824 A CN106178824 A CN 106178824A
- Authority
- CN
- China
- Prior art keywords
- exhaust gas
- alkali cleaning
- unit
- organic exhaust
- desorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- 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
- B01D2259/40086—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by using a purge gas
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a kind of VOCs treatment technique, comprise the following steps: (1) carbon fiber adsorption and catalytic combustion pretreatment: organic exhaust gas enters carbon fiber adsorption and catalytic combustion unit by blower fan and adsorbs；(2) desorption process: through the pretreated waste gas of carbon fiber adsorption and catalytic combustion enter air absorbing unit absorption saturated after, utilize compression fan be pressed into desorption unit；(3) alkali cleaning processes: the concentration organic exhaust gas after desorption processes is pressed in alkali cleaning pond；(4) burn processing: the concentration organic exhaust gas that alkali cleaning processes returns to the decomposition combustion of catalytic decomposition room by escape pipe.By the way, the present invention can effectively purify by organic exhaust gas, processes through multiple working procedure, and before burning, energy well filtering poisonous composition, reaches discharging standards.
Description
Technical field
The present invention relates to exhaust-gas treatment field, particularly relate to a kind of VOCs treatment technique.
Background technology
VOCs treatment refers to that the organic exhaust gas produced in industrial processes carries out the place adsorbed, filter, purify
Science and engineering is made.Generally VOCs treatment have the benzene homologues VOCs treatment such as formaldehyde VOCs treatment, benzene toluene dimethylbenzene, third
Ketone butanone VOCs treatment, ethyl acetate exhaust-gas treatment, mist of oil VOCs treatment, furfural VOCs treatment, styrene,
Acrylic acid VOCs treatment, resin VOCs treatment, additive VOCs treatment, coating cloud VOCs treatment, sky that
The organic air cleanings such as the carbon containing hydrogen-oxygens such as water VOCs treatment process.VOCs treatment feature: organic exhaust gas is general
All exist inflammable and explosive, poisonous and harmful, water insoluble, be dissolved in organic solvent, feature that intractability is big.At VOCs treatment
Time commonly used be organic exhaust gas active-carbon adsorption treatment method, Production by Catalytic Combustion Process, catalytic oxidation, acid-base neutralization method, etc. from
The multiple principle such as sub-method.Typically recommending plasma method, because low-temperature plasma method has removal efficiency, height is easy to use
Feature.Reasonable organic waste gas treatment method is catalyzing, oxidizing and purifying system, design of Treatment of Waste Gas carefully, purification filtering layer by layer
Waste gas, effect is preferable.But traditional VOCs treatment is the most all directly to burn after simple process, lacks the desorption of early stage
Process, it is impossible to noxious substance early stage is removed, reduces craftmanship.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of VOCs treatment technique, it is possible to organic exhaust gas has
Imitating and purify, process through multiple working procedure, before burning, energy well filtering poisonous composition, reaches discharging standards.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of VOCs treatment work
Skill, comprises the following steps: (1) carbon fiber adsorption and catalytic combustion pretreatment: organic exhaust gas enters carbon fiber adsorption and catalytic combustion list by blower fan
Unit adsorbs, and activated carbon adsorption unit is a provision for sealing, and activated carbon adsorption unit one end is offered as charging aperture, activated carbon suction
The coupon unit other end is offered as discharging opening, and organic exhaust gas enters from charging aperture, discharges from discharging opening after VOCs treatment；(2)
Desorption process: through the pretreated waste gas of carbon fiber adsorption and catalytic combustion enter air absorbing unit absorption saturated after, utilize compression
Blower fan press-in desorption unit, desorption unit imports the heat of the upper and lower Heat Room in catalysis boundary room simultaneously, and heat passes through high-temperature blower
Send into desorption unit；(3) alkali cleaning processes: the concentration organic exhaust gas after desorption processes is pressed in alkali cleaning pond, and alkali cleaning pond is for closing knot
Structure, one end, upper end, alkali cleaning pond imports air inlet pipe, and upper end, the alkali cleaning pond other end imports escape pipe；(4) burn processing: alkali cleaning processes
Concentrate organic exhaust gas and return to the decomposition combustion of catalytic decomposition room by escape pipe, be provided with the loop of ring wall in the stove of catalytic decomposition room, urge
Changing and also import two air conduits in the closed circuit of decomposition chamber, air conduit imports fresh air outside, the heat that burning produces
Can recycle.
In a preferred embodiment of the present invention, the desorption unit front end in above-mentioned steps (2) is provided with an oxidation catalyst filter
Pipe, oxidation catalyst filter tube wall is coated with catalyst.
The invention has the beneficial effects as follows: the present invention can effectively purify by organic exhaust gas, process through multiple working procedure, special
Jia Ru not alkalize neutralisation treatment technique, and before burning, energy well filtering poisonous composition, reaches discharging standards.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiments that technical staff is obtained under not making creative work premise, broadly fall into the model of present invention protection
Enclose.
Embodiment 1
A kind of VOCs treatment technique, comprises the following steps: (1) carbon fiber adsorption and catalytic combustion pretreatment: organic exhaust gas passes through wind
Machine enters carbon fiber adsorption and catalytic combustion unit and adsorbs, and activated carbon adsorption unit is a provision for sealing, activated carbon adsorption unit one
End is offered as charging aperture, and the activated carbon adsorption unit other end is offered as discharging opening, and organic exhaust gas enters from charging aperture, organic exhaust gas
Discharge from discharging opening after process；(2) desorption processes: enter air absorption through the pretreated waste gas of carbon fiber adsorption and catalytic combustion single
After unit's absorption is saturated, utilizing compression fan to be pressed into desorption unit, desorption unit imports the upper and lower Heat Room in catalysis boundary room simultaneously
Heat, heat is by high-temperature blower feeding desorption unit, and desorption unit front end is provided with an oxidation catalyst filter pipe, oxidation catalyst filter pipe pipe
Catalyst it is coated with on wall；(3) alkali cleaning processes: the concentration organic exhaust gas after desorption processes is pressed in alkali cleaning pond, and alkali cleaning pond is envelope
Closing structure, one end, upper end, alkali cleaning pond imports air inlet pipe, and upper end, the alkali cleaning pond other end imports escape pipe；(4) burn processing: at alkali cleaning
The concentration organic exhaust gas of reason returns to the decomposition combustion of catalytic decomposition room by escape pipe, is provided with returning of ring wall in the stove of catalytic decomposition room
Road, also imports two air conduits in the closed circuit of catalytic decomposition room, air conduit imports fresh air outside, and burning produces
Heat circulation use.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology neck
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (2)
1. a VOCs treatment technique, it is characterised in that comprise the following steps:
(1) carbon fiber adsorption and catalytic combustion pretreatment: organic exhaust gas enters carbon fiber adsorption and catalytic combustion unit by blower fan and adsorbs, and lives
Property charcoal absorbing unit is a provision for sealing, and activated carbon adsorption unit one end is offered as charging aperture, the activated carbon adsorption unit other end
Offering as discharging opening, organic exhaust gas enters from charging aperture, discharges from discharging opening after VOCs treatment；
(2) desorption process: through the pretreated waste gas of carbon fiber adsorption and catalytic combustion enter air absorbing unit absorption saturated after, profit
Being pressed into desorption unit with compression fan, desorption unit imports the heat of the upper and lower Heat Room in catalysis boundary room simultaneously, and heat is by height
Desorption unit sent into by warm air machine；
(3) alkali cleaning processes: the concentration organic exhaust gas after desorption processes is pressed in alkali cleaning pond, and alkali cleaning pond is enclosed construction, alkali cleaning pond
One end, upper end imports air inlet pipe, and upper end, the alkali cleaning pond other end imports escape pipe；
(4) burn processing: the concentration organic exhaust gas that alkali cleaning processes returns to the decomposition combustion of catalytic decomposition room, catalysis point by escape pipe
Being provided with the loop of ring wall in solving room stove, also import two air conduits in the closed circuit of catalytic decomposition room, air conduit imports
Fresh air outside, the heat circulation that burning produces uses.
VOCs treatment technique the most according to claim 1, it is characterised in that the desorption unit in above-mentioned steps (2)
Front end is provided with an oxidation catalyst filter pipe, and oxidation catalyst filter tube wall is coated with catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743242.9A CN106178824A (en) | 2016-08-29 | 2016-08-29 | VOCs treatment technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743242.9A CN106178824A (en) | 2016-08-29 | 2016-08-29 | VOCs treatment technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106178824A true CN106178824A (en) | 2016-12-07 |
Family
ID=57526119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610743242.9A Pending CN106178824A (en) | 2016-08-29 | 2016-08-29 | VOCs treatment technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106178824A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665348A (en) * | 2019-08-12 | 2020-01-10 | 佛山市思特四通化工有限公司 | Pharmaceutical industry waste gas treatment process |
| CN110732221A (en) * | 2019-11-19 | 2020-01-31 | 盐城市迎凯涂装设备有限公司 | coating waste gas treatment system and treatment process |
| CN112275089A (en) * | 2020-10-15 | 2021-01-29 | 河南中烟工业有限责任公司 | Effluent disposal polluted gas purification system |
| CN113262580A (en) * | 2021-06-09 | 2021-08-17 | 江西理工大学 | Acetic acid recovery method for furfural production waste gas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371286A (en) * | 2015-11-10 | 2016-03-02 | 重庆科蓝环保实业有限公司 | Preheat type catalytic combustion system for purifying volatile organic waste gas |
| CN205351347U (en) * | 2015-10-14 | 2016-06-29 | 段志勇 | Novel portable concentrated catalytic combustion device |
-
2016
- 2016-08-29 CN CN201610743242.9A patent/CN106178824A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205351347U (en) * | 2015-10-14 | 2016-06-29 | 段志勇 | Novel portable concentrated catalytic combustion device |
| CN105371286A (en) * | 2015-11-10 | 2016-03-02 | 重庆科蓝环保实业有限公司 | Preheat type catalytic combustion system for purifying volatile organic waste gas |
Non-Patent Citations (1)
| Title |
|---|
| 何春新: "《环境影响评价案例分析基础过关50题》", 28 February 2015 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665348A (en) * | 2019-08-12 | 2020-01-10 | 佛山市思特四通化工有限公司 | Pharmaceutical industry waste gas treatment process |
| CN110732221A (en) * | 2019-11-19 | 2020-01-31 | 盐城市迎凯涂装设备有限公司 | coating waste gas treatment system and treatment process |
| CN110732221B (en) * | 2019-11-19 | 2020-08-07 | 盐城市迎凯涂装设备有限公司 | Coating waste gas treatment system and treatment process |
| CN112275089A (en) * | 2020-10-15 | 2021-01-29 | 河南中烟工业有限责任公司 | Effluent disposal polluted gas purification system |
| CN113262580A (en) * | 2021-06-09 | 2021-08-17 | 江西理工大学 | Acetic acid recovery method for furfural production waste gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106178824A (en) | VOCs treatment technique | |
| CN202109499U (en) | On-line low-radiation coating waste gas treatment device | |
| CN210624545U (en) | Environment-friendly exhaust treatment device | |
| CN205886486U (en) | Spray paint waste gas treatment system | |
| CN205570058U (en) | Organic waste gas treatment device | |
| CN202961941U (en) | Multilevel combined waste gas purification treatment system | |
| CN108283821A (en) | The treatment process and processing system of coking production Zhong Huachan workshop sections exhaust gas containing naphthalene | |
| CN203437005U (en) | Spray paint waste gas purifying and treating system | |
| CN203764077U (en) | Waste gas treatment device of coating equipment | |
| CN202224049U (en) | Acid and hydrocarbon mixed waste gas treatment equipment | |
| CN105771595A (en) | Industrial waste gas in-depth purifying treatment system | |
| CN203408597U (en) | Gas and dust removing device | |
| CN108722119A (en) | A kind of system for process for producing reflectorized material exhaust gas | |
| CN202893168U (en) | High-concentration organic waste gas treatment device | |
| CN202315626U (en) | Waste gas purification device for combustion test box for laboratory | |
| CN204996289U (en) | Waste gas treatment system sprays paint based on plasma purification techniques | |
| CN205717254U (en) | The high-efficiency environment friendly exhaust gas processing device that a kind of chemical plant is special | |
| CN104776437A (en) | System for treating waste liquid containing formaldehyde | |
| CN208959584U (en) | Adsoption catalysis integrated treatment unit | |
| CN210463046U (en) | RCO catalytic combustion device for waste gas treatment | |
| CN205361011U (en) | Organic waste gas purification device to five metals workshop | |
| CN209885520U (en) | Organic waste gas treatment device | |
| CN207734819U (en) | A kind of burning boiler emission-control equipment | |
| CN208229607U (en) | A kind of VOC dust purification system | |
| CN203664098U (en) | Baking finish house with tail gas comprehensive treatment function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |