CN104525372B - A kind of fine particle coagulation device - Google Patents
A kind of fine particle coagulation device Download PDFInfo
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- CN104525372B CN104525372B CN201410722615.5A CN201410722615A CN104525372B CN 104525372 B CN104525372 B CN 104525372B CN 201410722615 A CN201410722615 A CN 201410722615A CN 104525372 B CN104525372 B CN 104525372B
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Abstract
A kind of fine particle coagulation device, fine particle coagulation device are positioned at electric cleaner or sack cleaner is anterior, fine particle coagulation device are assembled by the combination of more than one basic module, and each basic module is connected by charge unit and polymerized unit and forms；Polymerized unit is divided into flow-disturbing polymerization and alternating electric field to be polymerized two kinds of forms, and the polymerized unit of the one-level basic module that flue gas passes through uses flow-disturbing paradigmatic structure, and the polymerized unit for two grades or three grades basic modules uses alternating electric field structure；Each charge unit is made up of housing, corona discharge electrode, earthing pole, positive direct-current high voltage power supply and negative dc high voltage power supply, use heteropolarity coalescence electric field, the tip designs of earthing pole is Y-shaped swallowtail shape, two adjacent pole plates form Venturi tube structure, flue gas generation flow-disturbing under its venturi action, lotus difference charge particle collides, is polymerized, and the present invention improves electric cleaner or sack cleaner efficiency of dust collection.
Description
Technical field
The invention belongs to field of environment engineering technology, be specifically related to a kind of fine particle coagulation also
Device.
Background technology
Metallurgy, electric power and other industrial furnace produce substantial amounts of flue gas powder during production run
Dirt.At present, the removal of industrial dust mainly utilizes the dedusting such as electric cleaner, sack cleaner to set
Standby realization.Although the arresting efficiency of dust be may be up to by existing electric cleaner and sack cleaner
99.9%.But for fine particle, particularly particle diameter at the submicron particles of 0.1-1 μm,
Efficiency of dust collection is less than 85%.These fine particle serious environment pollutions, and cause haze weather.
Coalescence is that subparticle the most mutually collides or adheres to, and forms larger particles
Process.Common mainly has: aerosol temperature-raising method, sound wave coalescence method, pulsation blind enema and electricity
Coalescence method etc..Wherein coagulation method are first to make granule charged through heteropolarity, in motion subsequently
The middle charges of different polarity attract each other so that particle mutually collides, is polymerized.It is a kind of for industry cigarette
The technical method that gas governance efficiency is higher and feasible.Coagulation method mainly include following four at present
Kind: the coalescence of same polarity Charged in DC electric field；Heteropolarity Charged in DC electric field
Coalescence；The coalescence of same polarity Charged in alternating electric field；In alternating electric field, heteropolarity is charged
The coalescence of dust.Wherein, in DC electric field and alternating electric field, the coalescence of heteropolarity Charged is
The method that efficiency is higher.But existing coagulation device design are simple, and subparticle is on charged rank
Duan Buneng is the most charged, can not fully collide again at polymerization stage lotus difference charged particles subsequently,
Polymerization, causes coalescence inefficient.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of fine
Grain thing coagulation device, improve electric cleaner or sack cleaner efficiency of dust collection.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of fine particle coagulation device, fine particle coagulation device 1 are positioned at electricity and remove
Dirt device or sack cleaner 2 are anterior, and fine particle coagulation device 1 are by more than one base
This module 16 combination is assembled, and each basic module 16 is connected by charge unit and polymerized unit
Connect composition；
Described polymerized unit is divided into flow-disturbing polymerized unit 4 and alternating electric field polymerized unit 6 two kinds
Form, the polymerization of the one-level basic module 16 that flue gas passes through uses flow-disturbing polymerized unit 4, right
Polymerization in two grades or three grades basic modules 16 uses alternating electric field unit 6；
Described flow-disturbing polymerized unit 4 is constituted body structure by housing, carries out the turbulent cigarette of casing
Charged particle in gas mutually collides, thus produces polymerization.
Described alternation polymerized unit 6 is made up of housing, alternation plate electrode 11, alternation plate
Shape electrode 11 connects ac high voltage source 14, and wherein alternation plate electrode 11 is positioned in housing
Portion and both sides housing sidewall are coordinated alternating electric field, and alternating electric field can make charged particle produce back and forth to shake
Dynamic；
Described each charge unit is by housing 7, corona discharge electrode 8, earthing pole 9, positive direct-current height
Voltage source 12 and negative dc high voltage power supply 13 form, and use heteropolarity coalescence electric field, the finest
The charged region of particulate matter is to form with positive and negative equidistant spaced apart electric field channel, each
Arranging in passage that number row's corona wire forms corona discharge electrode 8, adjacent two row's corona discharge electrodes 8 are just connecting respectively
DC high-voltage power supply 12, negative dc high voltage power supply 13, the centre of adjacent two row's corona discharge electrodes 8 is
Earthing pole 9 plate shared, forms corona field, each charge unit between itself and corona discharge electrode 8
In port number should be even number, minimum is 2.
The fine particle coagulation that more than two basic modules 16 are connected into device 1,
In two grades of basic modules 16 charge unit arrange positive and negative corona wire passage time should with each substantially
In module 16, the dislocation of charge unit positive and negative corona wire passage is arranged, i.e. two grades basic modules 16
Positive corona passage answers negative corona passage in corresponding one-level basic module 16.
The tip designs of described earthing pole 9 is Y-shaped swallowtail shape 10, adjacent two
Pole plate forms Venturi tube structure.
Described basic module 16 is by the adpting flange spiral shell at each basic module 16 two ends
Bolt, nut and pad assembly connection.
Advantages of the present invention is: tradition coagulation device use turbulence columns structure to increase electrically charged particle
The mutually probability of collision, but charged particle can cause particle institute charged while colliding with turbulence columns
The loss of lotus, thus cause coalescence efficiency to decline, the flow-disturbing polymerized unit 4 of the present invention is by shell
The passage of body structure composition, particle charged in the charge unit of front end passes through earthing pole postlaminar part
The Venturi tube structure that Y-shaped dovetail is formed, flue gas generation flow-disturbing, lotus under its venturi action
Different charge particle collide, are polymerized.The one-level increased for coalescence efficiency need to be improved with
Alternation polymerized unit 6 in upper elementary cell, is made up of housing, alternation plate electrode 11,
Alternation plate electrode 11 connects ac high voltage source 14, and wherein alternation plate electrode 11 is positioned at
Housing central section and both sides housing sidewall are coordinated alternating electric field, and alternating electric field can make charged particle produce
Of reciprocating vibration so that particle mutually collides, the probability be polymerized greatly increases.The present invention improves electricity
Cleaner unit or sack cleaner efficiency of dust collection.
Accompanying drawing explanation
Fig. 1 is a kind of fine particle coagulation the device position schematic diagram of the present invention.
Fig. 2 is a kind of fine particle coagulation the device overall structure schematic diagram of the present invention.
Fig. 3 is the charge unit electric field lines distribution schematic diagram of the present invention.
Fig. 4 is the charge unit charged schematic diagram of electric field subparticle of the present invention.
Fig. 5 is the basic module 16 flow field schematic diagram of the present invention.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is described in detail.
With reference to Fig. 1, a kind of fine particle coagulation device, fine particle coagulation device
1 is positioned at electric cleaner or sack cleaner 2 front portion, and fine particle in flue gas is carried out coagulation
And process, after process, the particle diameter of fine particle significantly strengthens, it is possible to is effectively improved follow-up electricity and removes
Dirt device or sack cleaner 2 efficiency of dust collection.
With reference to Fig. 2, fine particle coagulation device 1 are by more than one basic module 16
Combination is assembled.Basic module 16 is connected by charge unit and polymerized unit and forms.Adjacent
In two basic modules 16, charge unit should be respectively the first charge unit 3 and stagger with prime
Arrange the second charge unit 5 of positive and negative corona discharge electrode.
Described polymerized unit is divided into flow-disturbing polymerized unit 4 and alternating electric field polymerized unit 6 two kinds
Form, the polymerization of the one-level basic module 16 that flue gas passes through uses flow-disturbing polymerized unit 4, right
Polymerization in two grades or three grades basic modules 16 uses alternating electric field unit 6.
Described flow-disturbing polymerized unit 4 is constituted body structure by housing, carries out the turbulent cigarette of casing
Charged particle in gas mutually collides, thus produces polymerization.
With reference to Fig. 2, described alternation polymerized unit 6, by housing, alternation plate electrode 11 groups
Becoming, alternation plate electrode 11 connects ac high voltage source 14, frame ground 15, wherein alternation
Plate electrode 11 is positioned at housing central section and both sides housing sidewall and coordinates alternating electric field, alternating electric field
Charged particle can be made to produce of reciprocating vibration so that particle mutually collides, the probability be polymerized greatly increases
Add.
With reference to Fig. 3, Fig. 4, described each charge unit is by housing 7, corona discharge electrode 8, ground connection
Pole 9, positive direct-current high voltage power supply 12 and negative dc high voltage power supply 13 form, and use heteropolarity to coagulate
And the charged region of electric field, i.e. fine particle is with positive and negative equidistant spaced apart electric field
Passage forms, and arranges that number row's corona wire forms corona discharge electrode 8, adjacent two row's coronas in each passage
Pole 8 connects positive direct-current high voltage power supply 12, negative dc high voltage power supply 13, adjacent two row's electricity respectively
The centre of dizzy pole 8 is shared earthing pole 9 plate, forms corona field between itself and corona discharge electrode 8,
Port number in each charge unit should be even number, and minimum is 2, wherein half corona discharge electrode 8
Connecting positive direct-current high voltage power supply 12, remaining half corona discharge electrode 8 connects negative dc high voltage power supply 13,
Interval is arranged.
The fine particle coagulation that more than two basic modules 16 are connected into device 1,
In two grades of basic modules 16 charge unit arrange positive and negative corona wire passage time should with each substantially
In module 16, the dislocation of charge unit positive and negative corona wire passage is arranged, i.e. two grades basic modules 16
Positive corona passage answers negative corona passage in corresponding one-level basic module 16, and this kind of layout is easy to one
Level basic module 16 in charge positive charge granule follow-up be directly entered two grades of basic modules 16 after
Colliding with bear charged particles, be polymerized, vice versa.
The tip designs of described earthing pole 9 is Y-shaped swallowtail shape 10, adjacent two
Pole plate forms Venturi tube structure.
Described basic module 16 is by the adpting flange spiral shell at each basic module 16 two ends
Bolt, nut and pad assembly connection.
The present invention's and operation principle is:
With reference to Fig. 5, flue gas initially enters the charge unit of one-level basic module 16, just,
Negative high voltage electric field is distinguished positive charge and negative charge on lotus, by earthing pole 9 plate end " Y "
Entering polymerized unit after shape swallowtail shape 10, under its venturi action, lotus difference charged particles is sent out
Raw collision, polymerization.
As two grades of basic modules 16 can be arranged for raising coalescence efficiency.It is basic that flue gas flows out one-level
After module 16, enter two grades of basic modules 16 charge unit, with one-level basic module
The positive and negative high voltage electric field that 16 charge unit dislocation are arranged distinguishes positive charge and negative charge on lotus,
After by earthing pole 9 plate end Y-shaped swallowtail shape 10, enter and be disposed with alternation electricity
The alternation polymerized unit 6 of field, under action of alternative electric field, electrically charged particle produces of reciprocating vibration, grain
Son mutually collision, polymerization.
Fine particle coagulation device 1 can utilize number according to the requirement of required coalescence efficiency
Individual basic module 16 forms two grades or more than two grades coagulations device.
Claims (3)
1. a fine particle coagulation device, it is characterised in that: fine particle coagulation
And device (1) is positioned at electric cleaner or sack cleaner (2) is anterior, fine particle coagulation
And device (1) by more than one basic module (16) combination be assembled, each substantially
Module (16) is connected by charge unit and polymerized unit and forms；
Described polymerized unit is divided into flow-disturbing polymerized unit (4) and alternating electric field polymerized unit (6)
Two kinds of forms, the polymerization of the one-level basic module (16) that flue gas passes through uses flow-disturbing polymerized unit
(4), the polymerization for two grades or three grades basic modules (16) uses alternating electric field unit (6)；
Described flow-disturbing polymerized unit (4) is constituted body structure by housing, carries out the disorderly of casing
Charged particle in stream flue gas mutually collides, thus produces polymerization；
Described alternation polymerized unit (6) is made up of housing, alternation plate electrode (11),
Alternation plate electrode (11) connects ac high voltage source (14), wherein alternation plate electrode (11)
Being positioned at housing central section and both sides housing sidewall to coordinate alternating electric field, alternating electric field can make charged particle
Produce of reciprocating vibration；
Described each charge unit by housing (7), corona discharge electrode (8), earthing pole (9),
Positive direct-current high voltage power supply (12) and negative dc high voltage power supply (13) composition, use heteropolarity to coagulate
And the charged region of electric field, i.e. fine particle is with positive and negative equidistant spaced apart electric field
Passage forms, and arranges that number row's corona wire forms corona discharge electrode (8), adjacent two rows in each passage
Corona discharge electrode (8) connects positive direct-current high voltage power supply (12), negative dc high voltage power supply (13) respectively,
The centre of adjacent two row's corona discharge electrodes (8) is shared earthing pole (9) plate, itself and corona discharge electrode (8)
Between formed corona field, the port number in each charge unit should be even number, and minimum is 2；
The fine particle coagulation that more than two basic modules (16) are connected into device
(1), in two grades of basic modules (16), charge unit is answered when arranging positive and negative corona wire passage
Arrange with charge unit positive and negative corona wire passage dislocation in each basic module (16), i.e. two
Level basic module (16) positive corona passage answers negative corona in corresponding one-level basic module (16) to lead to
Road.
A kind of fine particle coagulation the most according to claim 1 device, its feature
It is: the tip designs of described earthing pole (9) is Y-shaped swallowtail shape (10),
Two adjacent pole plates form Venturi tube structure.
A kind of fine particle coagulation the most according to claim 1 device, its feature
It is: the described basic module (16) connection method by each basic module (16) two ends
Blue bolt, nut and pad assembly connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410722615.5A CN104525372B (en) | 2014-12-02 | 2014-12-02 | A kind of fine particle coagulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410722615.5A CN104525372B (en) | 2014-12-02 | 2014-12-02 | A kind of fine particle coagulation device |
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| CN104525372A CN104525372A (en) | 2015-04-22 |
| CN104525372B true CN104525372B (en) | 2016-08-24 |
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| CN106607188B (en) * | 2017-01-05 | 2018-02-09 | 宁波工程学院 | A kind of bipolar charge coalescence device for dust granules |
| CN107138016A (en) * | 2017-05-08 | 2017-09-08 | 浙江大学 | Based on many particulate matter coalescence reunion intensifying devices promoted and method |
| CN108837945A (en) * | 2018-07-27 | 2018-11-20 | 成都新能互联科技有限公司 | A kind of haze coalescence purification device and its implementation |
| CN111715010A (en) * | 2019-03-21 | 2020-09-29 | 北京康孚科技股份有限公司 | Axial flow cyclone coagulation type air filtering method and device |
| CN109870392B (en) * | 2019-03-25 | 2023-12-19 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Natural radioactive aerosol electrocoagulation and elimination experiment system |
| CN111250263A (en) * | 2020-01-17 | 2020-06-09 | 浙江安防职业技术学院 | Charged magnetoelectric composite field coagulation device |
| CN111250264A (en) * | 2020-03-24 | 2020-06-09 | 双良节能系统股份有限公司 | Method and device for electrostatic condensation of wet air |
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| CN112285004B (en) * | 2020-09-25 | 2023-10-10 | 台州市中心医院（台州学院附属医院） | Biosafety device for flow cytometry |
| CN112718244A (en) * | 2020-12-09 | 2021-04-30 | 浙江安防职业技术学院 | Charged magnetic-electric coagulation device |
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| CN114832944B (en) * | 2022-04-29 | 2024-09-06 | 中国计量大学 | High-wind-speed two-stage type electrostatic aerosol particle removing device using guide plate |
| CN115518463A (en) * | 2022-10-21 | 2022-12-27 | 大连理工大学盘锦产业技术研究院 | Device and process for reciprocating oscillation coalescence removal of fine particles in flue gas |
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| JPS63221823A (en) * | 1987-03-10 | 1988-09-14 | Toyota Motor Corp | Dust capturing method and its device |
| CN1121908C (en) * | 1999-03-24 | 2003-09-24 | 王连泽 | Dust-removing device with particles coagulator |
| CN101045220A (en) * | 2007-01-28 | 2007-10-03 | 大连海事大学 | Electrical charging coagulation method for dust in flue gas transfering pipeline |
| CN201329311Y (en) * | 2008-12-23 | 2009-10-21 | 兰州电力修造厂 | Bipolar high-voltage electrostatic coagulator |
| CN101530712A (en) * | 2009-03-06 | 2009-09-16 | 浙江菲达环保科技股份有限公司 | Bipolar unequal electrofluid particle polymerizer |
| CN201643931U (en) * | 2010-05-07 | 2010-11-24 | 牛世洲 | Fine particulate coalescence device |
| CN202366790U (en) * | 2011-12-14 | 2012-08-08 | 宝山钢铁股份有限公司 | Coagulation device of electric precipitator |
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| CN103623669A (en) * | 2013-12-10 | 2014-03-12 | 福建龙净环保股份有限公司 | Electric-bag composite dust collector |
| CN204353005U (en) * | 2014-12-02 | 2015-05-27 | 中国重型机械研究院股份公司 | A kind of fine particle coagulation structure |
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