CN108816514A - A kind of waste gas purification apparatus - Google Patents
A kind of waste gas purification apparatus Download PDFInfo
- Publication number
- CN108816514A CN108816514A CN201810524065.4A CN201810524065A CN108816514A CN 108816514 A CN108816514 A CN 108816514A CN 201810524065 A CN201810524065 A CN 201810524065A CN 108816514 A CN108816514 A CN 108816514A
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- waste gas
- gas purification
- purification apparatus
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- 238000000746 purification Methods 0.000 title claims abstract description 23
- 239000002912 waste gas Substances 0.000 title claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 59
- 238000001556 precipitation Methods 0.000 claims abstract description 32
- 238000005345 coagulation Methods 0.000 claims abstract description 24
- 230000015271 coagulation Effects 0.000 claims abstract description 24
- 238000004581 coalescence Methods 0.000 claims abstract description 24
- 239000013618 particulate matter Substances 0.000 claims abstract description 23
- 230000005684 electric field Effects 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 13
- 241000406668 Loxodonta cyclotis Species 0.000 claims abstract description 5
- 238000009792 diffusion process Methods 0.000 claims abstract description 5
- 230000005686 electrostatic field Effects 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004887 air purification Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 241001627955 Tetraodon lineatus Species 0.000 description 1
- UELITFHSCLAHKR-UHFFFAOYSA-N acibenzolar-S-methyl Chemical compound CSC(=O)C1=CC=CC2=C1SN=N2 UELITFHSCLAHKR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002158 endotoxin Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- -1 formaldehyde, benzene series Chemical class 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003845 household chemical Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
Landscapes
- Electrostatic Separation (AREA)
Abstract
The present invention provides a kind of waste gas purification apparatuses, are related to waste gas purification field.Waste gas purification apparatus of the invention, including particulate matter charge unit, coagulation and unit and electric precipitation unit.Particulate matter charge unit is for keeping particle charged when flowing through the high voltage corona electric field between electrode；Simultaneously unit is set to particulate matter charge unit downstream to coagulation, for by small particle coalescence, at large particle, large particle attracted by the particle after charged by intergranular inertial collision, particles diffusion, space-charge force, intergranular heteropolarity, between particle or the elephant power of particle and wall surface makes minuteness particle coalescence；Electric precipitation unit is set to coagulation and unit downstream, by making gas ionization using electrostatic field to make large particle be adsorbed on electrode.Indoor exhaust air purification device of the invention improves its treatment effect to indoor exhaust air using coagulation and unit.
Description
Technical field
The present invention relates to waste gas purification fields, more particularly to a kind of waste gas purification apparatus.
Background technique
Common indoor exhaust air pollutant can be sorted out as follows：Pellet, representative is fine particle PM2.5
(ParticulateMatter2.5)；Bion pollutant, representative are that other bacterial gas such as bacterium, virus and fungi are molten
Glue；VOCs (VolatileOrganicCompounds), representing is house decoration and formaldehyde, benzene series that household chemical product discharges
Other gaseous pollutants [1] such as object.In addition, cooking indoors, all kinds of combined pollutants can then be discharged by smoking.Indoor volatility has
Machine object (VOCs) occurs mainly with artificial board, various paint, coating, adhesive, furniture and combustion product etc., indoor exhaust air
In there are 500 multiclass volatile organic matters, and with up to more than 20 kinds of carcinogenesis；Indoor ozone pollution is mainly by existing
Caused by for office automation and modern life habit, printer, ultraviolet lamp, electrostatic equipment and refrigerating & heating apparatus etc. can be straight
Connect or discharge indirectly ozone；Pellet is mainly derived from vehicle exhaust, burns coal heating exhaust gas, industrial waste gas, building work
Ground and road traffic dust and fugitive dust, house decoration by-product etc.；Virus, poison, bacterium, fungi and its by-product such as virus
The microbial aerosols such as grain, endotoxin, secretion are also widely present in indoor environment, be indoor important exhaust emission it
One.
In the prior art, coagulation and unit are seldom set on indoor exhaust air purification device.
Summary of the invention
It is an object of the present invention to provide a kind of waste gas purification apparatus, purified with solving indoor exhaust air in the prior art
Device does not use the problem of coagulation and unit.
Particularly, the present invention provides a kind of waste gas purification apparatuses, including：
Particulate matter charge unit, for keeping particle charged when flowing through the high voltage corona electric field between electrode；
Coagulation and unit, are set to particulate matter charge unit downstream, for by small particle coalescence at large particle,
The large particle passes through intergranular inertial collision, particles diffusion, space-charge force, intergranular different by the particle after charged
Between polar attraction, particle or the elephant power of particle and wall surface makes minuteness particle coalescence；
Electric precipitation unit is set to the coagulation and unit downstream, by making gas ionization using electrostatic field to make institute
Large particle is stated to be adsorbed on electrode.
Optionally, the coagulation and unit are used for partial size in 3 μm of particulate matter coalescences below into 3 μm or more of bulky grain
Object.
Optionally, the coagulation and unit are collided solidifying using the carrying capacity for improving anisotropic charged particle thing and using Coulomb force
And made every effort to promote by the reversed electric field of alternating electric field into the collision coalescence of same sex charged particle thing and by the electricity by alternating electric field
Field force and Coulomb force promote any one in anisotropic charged particle thing collision three kinds of coalescence modes of coalescence.
Optionally, the electric precipitation unit is single board-like electric precipitation unit of area's line, in gas flow rate be 0.1m/s, place
The reason time is 4S.
Optionally, single board-like electric precipitation unit of area's line uses DC voltage or pulse voltage.
Optionally, single board-like electric precipitation unit of area's line include the import being arranged successively, three floor homogenizing plate, line electrode,
Dust collection plate and outlet.
Optionally, single board-like electric precipitation unit of area's line is single-pass configuration.
Optionally, the electric precipitation unit is the board-like electric precipitation unit of two-region plate.
Optionally, the board-like electric precipitation unit of the two-region plate include the import once arranged, buffering mixed zone, Jun Liuqu,
Plate plate reactor and outlet.
Waste gas purification apparatus of the invention, including particulate matter charge unit, coagulation and unit and electric precipitation unit.Particulate matter
Charge unit is for keeping particle charged when flowing through the high voltage corona electric field between electrode；It is charged that coagulation and unit are set to particulate matter
Unit downstream, at large particle, large particle to pass through intergranular inertia by the particle after charged by small particle coalescence
Collision, particles diffusion, space-charge force, intergranular heteropolarity attract, between particle or the elephant power of particle and wall surface makes microfine
Sub- coalescence；Electric precipitation unit is set to coagulation and unit downstream, by making gas ionization using electrostatic field to make large particle
It is adsorbed on electrode.Indoor exhaust air purification device of the invention is improved it and is imitated to the processing of indoor exhaust air using coagulation and unit
Fruit.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram of waste gas purification apparatus according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the schematic diagram of waste gas purification apparatus according to an embodiment of the invention.As shown in Figure 1, this hair
Bright waste gas purification apparatus, including particulate matter charge unit 1, coagulation and unit 2 and electric precipitation unit 3.Particulate matter charge unit 1
For keeping particle charged when flowing through the high voltage corona electric field between electrode；Simultaneously unit 2 is set under particulate matter charge unit 1 coagulation
Trip, for by small particle coalescence at large particle, large particle by the particle after charged by intergranular inertial collision,
Grain diffusion, space-charge force, the attraction of intergranular heteropolarity, between particle or the elephant power of particle and wall surface makes minuteness particle coalescence；
Electric precipitation unit 3 is set to coagulation and 2 downstream of unit, by making gas ionization using electrostatic field to make large particle be adsorbed onto
On electrode.Indoor exhaust air purification device of the invention improves its treatment effect to indoor exhaust air using coagulation and unit 2.
In one embodiment of the invention, simultaneously unit 2 is used for partial size in 3 μm of particulate matter coalescences below into 3 μ coagulation
The large particle of m or more.
In one embodiment of the invention, coagulation and unit 2 use the carrying capacity and benefit for improving anisotropic charged particle thing
Make every effort to promote with Coulomb force collision coalescence, by the reversed electric field of alternating electric field into the collision coalescence of same sex charged particle thing and by logical
The electric field force and Coulomb force for crossing alternating electric field promote any one in anisotropic charged particle thing collision three kinds of coalescence modes of coalescence.
In one embodiment of the invention, electric precipitation unit 3 is single board-like electric precipitation unit 3 of area's line, in gas
Flow velocity is 0.1m/s, and the processing time is 4S.
In one embodiment of the invention, the board-like electric precipitation unit 3 of single area's line uses DC voltage or pulse voltage.
In one embodiment of the invention, the board-like electric precipitation unit 3 of single area's line includes that the import being arranged successively, three floor are equal
Flowing plate, line electrode, dust collection plate and outlet.
The charged and dedusting of particulate matter is synchronous in single area's electric precipitator carries out.The charged polarity of particulate matter in line plate reactor
It is identical as the polarity of voltage of microsecond pulse, DC power supply.Particle size is bigger, and particulate matter carrying capacity is bigger.Certain pulse electricity
Pressure, frequency can be improved the carrying capacity of particulate matter, but frequency enhances the negative effect of ion wind, reduces instead
Dust removing effects.Efficiency of dust collection is not in the case where different direct currents and globefish rush stacking pattern, when particulate matter carrying capacity reaches maximum value
It is optimum value, that is because voltage also strengthens the negative effect of Secondary Flow while improving particulate matter carrying capacity.In single area's electricity
In deduster, grit charged and trapping separation carry out in same power plant, and also both corona electrode and dust electrode arrangement is same
In one electric field region.This list area's electric precipitator is commonly used in industrial dedusting and gas cleaning.
In the board-like single area electric precipitator of line, under identical voltage, direct current generates stronger electric current physical strength and vortex than pulse.
Line electrode upstream and downstream region is formed about symmetrical vortex pair close to dust collection plate.When different primary streams, with the increase of voltage, rotation
For volute at EHD/Re2 value when initial stage between 1-20, the electric field strength near line electrode is most strong, is vortexed most violent.Two kinds of power supplys
When superposition, total one timing of superimposed voltage, direct current base voltage is bigger, and turbulent phenomenon is more obvious, and is more likely formed vortex.Optionally, single
Line board-like electric precipitation unit 3 in area's is single-pass configuration.
In one embodiment of the invention, electric precipitation unit 3 is the board-like electric precipitation unit 3 of two-region plate.In two-region, electricity is removed
In dirt device, the charged of grit carries out in two different regions respectively with trapping separation.It is equipped with the first of corona discharge
Area is mainly the charged process completed to grit, and the secondth area equipped with collecting electrode is mainly to trap charged grit.It is double
Area's deduster can be effectively prevented back corona phenomenon, and this deduster is generally used for the purification system of air-conditioning exhaust gas
In.
In one embodiment of the invention, plate board-like electric precipitation unit 3 in two-region includes the import once arranged, buffers and mix
He Qu, Jun Liuqu, plate plate reactor and outlet.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (9)
1. a kind of waste gas purification apparatus, which is characterized in that including：
Particulate matter charge unit, for keeping particle charged when flowing through the high voltage corona electric field between electrode；
Coagulation and unit, are set to particulate matter charge unit downstream, are used for small particle coalescence into large particle, described
Large particle passes through intergranular inertial collision, particles diffusion, space-charge force, intergranular heteropolarity by the particle after charged
Attract, between particle or the elephant power of particle and wall surface makes minuteness particle coalescence；
Electric precipitation unit is set to the coagulation and unit downstream, is made by making gas ionization using electrostatic field described big
Particulate matter is adsorbed on electrode.
2. waste gas purification apparatus according to claim 1, which is characterized in that including：
The coagulation and unit are used for partial size in 3 μm of particulate matter coalescences below into 3 μm or more of large particle.
3. waste gas purification apparatus according to claim 1, which is characterized in that including：
The coagulation and unit use the carrying capacity for improving anisotropic charged particle thing and collide coalescence using Coulomb force, pass through alternation
The reversed electric field of electric field makes every effort to promote the collision coalescence into same sex charged particle thing and electric field force and coulomb by passing through alternating electric field
Make every effort to promote into any one in anisotropic charged particle thing collision three kinds of coalescence modes of coalescence.
4. waste gas purification apparatus according to claim 1, which is characterized in that including：
The electric precipitation unit is single board-like electric precipitation unit of area's line, in gas flow rate be 0.1m/s, the processing time is 4S.
5. waste gas purification apparatus according to claim 4, which is characterized in that including：
The list board-like electric precipitation unit of area's line uses DC voltage or pulse voltage.
6. waste gas purification apparatus according to claim 4, which is characterized in that including：
The list board-like electric precipitation unit of area's line includes the import being arranged successively, three floor homogenizing plate, line electrode, dust collection plate and goes out
Mouthful.
7. waste gas purification apparatus according to claim 4, which is characterized in that including：
The list board-like electric precipitation unit of area's line is single-pass configuration.
8. waste gas purification apparatus according to claim 1, which is characterized in that including：
The electric precipitation unit is the board-like electric precipitation unit of two-region plate.
9. waste gas purification apparatus according to claim 8, which is characterized in that including：
The board-like electric precipitation unit of two-region plate include the import once arranged, buffering mixed zone, Jun Liuqu, plate plate reactor and
Outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524065.4A CN108816514A (en) | 2018-05-28 | 2018-05-28 | A kind of waste gas purification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524065.4A CN108816514A (en) | 2018-05-28 | 2018-05-28 | A kind of waste gas purification apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108816514A true CN108816514A (en) | 2018-11-16 |
Family
ID=64146371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810524065.4A Pending CN108816514A (en) | 2018-05-28 | 2018-05-28 | A kind of waste gas purification apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108816514A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821654A (en) * | 2019-01-25 | 2019-05-31 | 东南大学 | It is a kind of for fine particle in wet-method desulfurized fume/soluble salt/sulfur trioxide system and method to be removed in depth |
| CN111467927A (en) * | 2020-04-15 | 2020-07-31 | 陆宬宸 | Harmful gas remover based on zeolite |
| CN112121570A (en) * | 2020-08-26 | 2020-12-25 | 宁波威霖住宅设施有限公司 | A kind of air purifier with auxiliary dust collection for particulate matter treatment before filtering |
| CN112791584A (en) * | 2021-01-26 | 2021-05-14 | 安徽宾肯电气股份有限公司 | Air purification device for ship cabin ventilation system |
| CN114797398A (en) * | 2021-01-29 | 2022-07-29 | 陕西青朗万城环保科技有限公司 | Enhanced plasma waste gas treatment method and control system thereof |
| CN116251677A (en) * | 2022-09-05 | 2023-06-13 | 苏州科技大学 | Atomizing corona rotating parts of atomizing corona oil fume exhaust gas purification device |
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| CN109821654A (en) * | 2019-01-25 | 2019-05-31 | 东南大学 | It is a kind of for fine particle in wet-method desulfurized fume/soluble salt/sulfur trioxide system and method to be removed in depth |
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| CN111467927A (en) * | 2020-04-15 | 2020-07-31 | 陆宬宸 | Harmful gas remover based on zeolite |
| CN112121570A (en) * | 2020-08-26 | 2020-12-25 | 宁波威霖住宅设施有限公司 | A kind of air purifier with auxiliary dust collection for particulate matter treatment before filtering |
| CN112791584A (en) * | 2021-01-26 | 2021-05-14 | 安徽宾肯电气股份有限公司 | Air purification device for ship cabin ventilation system |
| CN114797398A (en) * | 2021-01-29 | 2022-07-29 | 陕西青朗万城环保科技有限公司 | Enhanced plasma waste gas treatment method and control system thereof |
| CN116251677A (en) * | 2022-09-05 | 2023-06-13 | 苏州科技大学 | Atomizing corona rotating parts of atomizing corona oil fume exhaust gas purification device |
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| CN116251677B (en) * | 2022-09-05 | 2023-09-15 | 苏州科技大学 | Atomizing corona rotating part of atomizing corona oil fume exhaust gas purification device |
| CN116273466B (en) * | 2022-09-05 | 2024-01-16 | 苏州科技大学 | Atomized corona oil fume exhaust gas purification device including dynamic adsorption plate and purification method |
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Application publication date: 20181116 |
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| RJ01 | Rejection of invention patent application after publication |