CN108744912A - Combined type organic exhaust gas integration processing method and equipment - Google Patents
Combined type organic exhaust gas integration processing method and equipment Download PDFInfo
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- CN108744912A CN108744912A CN201810539186.6A CN201810539186A CN108744912A CN 108744912 A CN108744912 A CN 108744912A CN 201810539186 A CN201810539186 A CN 201810539186A CN 108744912 A CN108744912 A CN 108744912A
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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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
- B01D53/007—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 irradiation
-
- 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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
- B01D53/323—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 electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
-
- 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
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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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)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of combined type organic exhaust gas integration processing method and equipment, belong to waste gas purification technical field.The step of processing method, is as follows：（a）, VOCs exhaust gas through gas gathering system, into waste gas purification apparatus；（b）, in spray washing device successively pass through fair current circulated sprinkling step, cross-flow circulated sprinkling step, gravity sink step drop, collision dust removal step, airflow uniform distribution step, to remove minute dusts and solubility VOCs compositions；（c）, after spray washing, exhaust gas enters the core processing region of equipment：Plasma purifier, it is plasma cleaning to use injection type plasma generating means；（d）, be mingled with part plasma exhaust gas reach high energy ultraviolet photodissociation device；（e）, gas before discharging, after demisting, the gas of discharge is discharged into air by air-introduced machine.The present invention has treatment effeciency height, and low energy consumption, the high advantageous effect of purifying rate.
Description
Technical field
The present invention relates to a kind of combined type organic exhaust gas integration processing method and equipment, belong to waste gas purification technology neck
Domain.
Background technology
Traditional organic waste gas treatment equipment is a kind of dry type catalytic converter handling organic exhaust gas with active carbon purifying,
It is made of babinet and absorption unit, cooperation pipeline fan is combined into purification system use, is mainly inhaled using high performance active carbon
With machine emission molecule, it is made to be separated with harmless other, achievees the purpose that purify air.It is widely used in administering and contains benzene
The large-wind-volume low-concentration organic exhaust gas of class, phenols, esters, alcohols, aldehydes, ketone, ethers etc., be widely used in electronics, chemical industry,
The spray painting of the industries such as light industry, rubber, machinery, ship, automobile, oil, the organic waste-gas purification for brushing workshop, also can be viscous with shoemaking
The flow production lines such as glue, chemical plastic, ink printing, cable, enameled wire use, but efficiency is relatively low, and energy consumption is relatively high.
Invention content
The purpose of the present invention is to provide a kind of combined type organic exhaust gas integration processing method and equipment, using plasma
Body is core processing technique with high energy ultraviolet photodissociation technology, and configures the ancillary techniques such as spray washing.Technical solution of the present invention is adopted
It is with modular organization, equipment is integrated.Compared to traditional scheme, treatment effeciency higher, and energy consumption is lower, and purifying rate is also more
It is high.
The present invention to achieve the goals above, adopts the following technical scheme that：
A kind of the step of combined type organic exhaust gas integration processing method, the processing method, is as follows：
（a）, VOCs exhaust gas through gas gathering system, into waste gas purification apparatus；Pretreatment unit is used first, removes large particulate matter
With a small amount of oil smoke；
（b）, in spray washing device successively pass through fair current circulated sprinkling step, cross-flow circulated sprinkling step, gravity sink step
Drop, collision dust removal step, airflow uniform distribution step, to remove minute dusts and solubility VOCs compositions；
（c）, after spray washing, exhaust gas enters the core processing region of equipment：Plasma purifier, it is plasma cleaning to adopt
With injection type plasma generating means；
Extraneous fresh air obtains plasma and is sent into plasma purifier, plasma cleaning through plasma generator
Area, VOCs molecules are become nontoxic, colourless, tasteless gas after plasma bombardment, oxidation；
（d）, be mingled with part plasma exhaust gas reach high energy ultraviolet photodissociation device；
High-strength irradiation field has destruction to VOCs and generates active secondary oxidant；VOCs makees in the collaboration of oxidant and light
Oxygenolysis persistently occurs with lower, ultimately generates carbon dioxide and water；
（e）, gas before discharging, after demisting, the gas of discharge is discharged into air by air-introduced machine.
Equipment used in a kind of combined type organic exhaust gas integration processing method：
The equipment includes pretreatment unit, spray washing device, plasma purifier and high energy ultraviolet photodissociation device, is set from this
Exhaust gas entrance direction in standby main body is set as pretreatment unit, and the middle part of the equipment body is spray washing device, is set from this
Waste gas outlet direction in standby main body is high energy ultraviolet photodissociation device, spray washing device and high energy ultraviolet photodissociation device it
Between, and be plasma purifier in the upper end of equipment body.
1, the pretreatment unit utilizes waste gas purification apparatus, removes large particulate matter and a small amount of oil smoke.
2, the spray washing device passes through fair current circulated sprinkling, cross-flow circulated sprinkling, gravitational settling, collision dedusting, gas
Stream is uniformly distributed, can remove minute dusts and solubility VOCs compositions.
3, the plasma purifier utilizes the electromagnetic field of high-frequency and high-voltage, when applied voltage reaches the electric discharge electricity of gas
When pressure, gas is breakdown, and the electronics of generation, the mixture of cation, free radical and neutral particle are referred to as plasma.
The common plasma of environmental protection industry generates method：Corona discharge and dielectric barrier discharge.
4. the high energy ultraviolet photodissociation device utilizes the ultraviolet light that ultraviolet lamp tube is generated in UV-C wave bands, activation exhaust gas point
Minor structure；Simultaneously by photolysis, oxygen and a small amount of moisture in gas produce active secondary oxidant-active oxygen and hydroxyl
Base free radical（OH-）；Hydroxyl radical free radical oxidisability is extremely strong, can almost be reacted with all VOCs compositions, and reacts speed
Degree is fast；Hydroxyl radical free radical can cause chain reaction, and the most of harmful substance polluted in air is directly oxidized to carbon dioxide
Equal innocuous substances.
Beneficial effects of the present invention：
The present invention is suitable for the VOCs of low concentration, Wind Volume.The present invention is applied widely, and photodissociation is aoxidized to the kind from hydrocarbon to carboxylic acid
The numerous organic matters of class are effective.The present invention is efficient：Reaction is thoroughly effective, does not stay any secondary pollution.Modular organization of the present invention,
Equipment is taken up an area less, is arranged and is installed convenient for equipment.Photolysis of the present invention is almost without resistance, and the power consumption of system is very
It is low.The present invention does not need preheating time, can open and close immediately.
Description of the drawings
Fig. 1 is the structural schematic diagram of equipment used in the present invention.
Specific implementation mode
Present invention will now be described in detail with reference to the accompanying drawings.：
A kind of the step of combined type organic exhaust gas integration processing method, the processing method, is as follows：
（a）, VOCs exhaust gas through gas gathering system, into waste gas purification apparatus；Pretreatment unit 1 is used first, removes large particle
Matter and a small amount of oil smoke；
（b）, in spray washing device 2 successively pass through fair current circulated sprinkling step, cross-flow circulated sprinkling step, gravity sink step
Drop, collision dust removal step, airflow uniform distribution step, to remove minute dusts and solubility VOCs compositions；
（c）, after spray washing, exhaust gas enters the core processing region of equipment：Plasma purifier 3, it is plasma cleaning
Using injection type plasma generating means；
Extraneous fresh air obtains plasma and is sent into plasma purifier 3, plasma cleaning through plasma generator
Area, VOCs molecules are become nontoxic, colourless, tasteless gas after plasma bombardment, oxidation；
（d）, the exhaust gas that is mingled with part plasma reach high energy ultraviolet photodissociation device 4；
High-strength irradiation field has destruction to VOCs and generates active secondary oxidant；VOCs makees in the collaboration of oxidant and light
Oxygenolysis persistently occurs with lower, ultimately generates carbon dioxide and water；
（e）, gas before discharging, after demisting, the gas of discharge is discharged into air by air-introduced machine.
Equipment used in a kind of combined type organic exhaust gas integration processing method：
The equipment includes pretreatment unit 1, spray washing device 2, plasma purifier 3 and high energy ultraviolet photodissociation device 4, from
Exhaust gas entrance direction in the equipment body is set as pretreatment unit 1, and the middle part of the equipment body is spray washing device 2,
It is high energy ultraviolet photodissociation device 4 from the waste gas outlet direction in the equipment body, in spray washing device 2 and high energy ultraviolet photodissociation
Between device 4, and it is plasma purifier 3 in the upper end of equipment body.
1, the pretreatment unit utilizes waste gas purification apparatus, removes large particulate matter and a small amount of oil smoke.
The spray washing device passes through fair current circulated sprinkling, cross-flow circulated sprinkling, gravitational settling, collision dedusting, air-flow
It is uniformly distributed, minute dusts and solubility VOCs compositions can be removed.
The plasma purifier utilizes the electromagnetic field of high-frequency and high-voltage, when applied voltage reaches the discharge voltage of gas
When, gas is breakdown, and the electronics of generation, the mixture of cation, free radical and neutral particle are referred to as plasma.
Common plasma generates method：Corona discharge and dielectric barrier discharge.
The high energy ultraviolet photodissociation device utilizes the ultraviolet light that ultraviolet lamp tube is generated in UV-C wave bands, activates emission molecule knot
Structure；Simultaneously by photolysis, oxygen and a small amount of moisture in gas produce active secondary oxidant-active oxygen and hydroxyl from
By base（OH-）；Hydroxyl radical free radical oxidisability is extremely strong, can almost be reacted with all VOCs compositions, and reaction speed is fast；
Hydroxyl radical free radical can cause chain reaction, and it is harmless that the most of harmful substance polluted in air is directly oxidized to carbon dioxide etc.
Substance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. the step feature of a kind of combined type organic exhaust gas integration processing method, the processing method is as follows：
（a）, VOCs exhaust gas through gas gathering system, into waste gas purification apparatus；Pretreatment unit is used first（1）, remove bulky grain
Substance and a small amount of oil smoke；
（b）, in spray washing device（2）In pass through the heavy step of fair current circulated sprinkling step, cross-flow circulated sprinkling step, gravity successively
Rapid drawdown, collision dust removal step, airflow uniform distribution step, to remove minute dusts and solubility VOCs compositions；
（c）, after spray washing, exhaust gas enters the core processing region of equipment：Plasma purifier（3）, plasma is net
Change and uses injection type plasma generating means；
Extraneous fresh air obtains plasma and is sent into plasma purifier through plasma generator（3）, net in plasma
Change area, VOCs molecules are become nontoxic, colourless, tasteless gas after plasma bombardment, oxidation；
（d）, be mingled with part plasma exhaust gas reach high energy ultraviolet photodissociation device（4）；
High-strength irradiation field has destruction to VOCs and generates active secondary oxidant；VOCs makees in the collaboration of oxidant and light
Oxygenolysis persistently occurs with lower, ultimately generates carbon dioxide and water；
（e）, gas before discharging, after demisting, the gas of discharge is discharged into air by air-introduced machine.
2. equipment used in a kind of as described in claim a kind of combined type organic exhaust gas integration processing method, feature
It is：
The equipment includes pretreatment unit（1）, spray washing device（2）, plasma purifier（3）It is filled with high energy ultraviolet photodissociation
It sets（4）, pretreatment unit is set as from the exhaust gas entrance direction in the equipment body（1）, the middle part of the equipment body is spray
Wash mill（2）, it is high energy ultraviolet photodissociation device from the waste gas outlet direction in the equipment body（4）, in spray washing device
（2）With high energy ultraviolet photodissociation device（4）Between, and be plasma purifier in the upper end of equipment body（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539186.6A CN108744912A (en) | 2018-05-30 | 2018-05-30 | Combined type organic exhaust gas integration processing method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539186.6A CN108744912A (en) | 2018-05-30 | 2018-05-30 | Combined type organic exhaust gas integration processing method and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108744912A true CN108744912A (en) | 2018-11-06 |
Family
ID=64004139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810539186.6A Withdrawn CN108744912A (en) | 2018-05-30 | 2018-05-30 | Combined type organic exhaust gas integration processing method and equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108744912A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482064A (en) * | 2020-03-31 | 2020-08-04 | 常州机电职业技术学院 | Plasma purification device and purification method for waste gas of heat treatment workshop |
| CN113713588A (en) * | 2020-05-26 | 2021-11-30 | 台州国聪环保设备有限公司 | Injection type plasma waste gas treatment device |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482064A (en) * | 2020-03-31 | 2020-08-04 | 常州机电职业技术学院 | Plasma purification device and purification method for waste gas of heat treatment workshop |
| CN113713588A (en) * | 2020-05-26 | 2021-11-30 | 台州国聪环保设备有限公司 | Injection type plasma waste gas treatment device |
| CN113713588B (en) * | 2020-05-26 | 2024-02-09 | 台州国聪环保设备有限公司 | Injection type plasma waste gas treatment device |
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Application publication date: 20181106 |
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