CN106000643A - High-voltage electrostatic absorber for dust removal - Google Patents
High-voltage electrostatic absorber for dust removal Download PDFInfo
- Publication number
- CN106000643A CN106000643A CN201610542497.9A CN201610542497A CN106000643A CN 106000643 A CN106000643 A CN 106000643A CN 201610542497 A CN201610542497 A CN 201610542497A CN 106000643 A CN106000643 A CN 106000643A
- Authority
- CN
- China
- Prior art keywords
- collecting plate
- anode
- closed cavity
- cathode electrode
- dust
- 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
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Classifications
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- 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
- B03C3/02—Plant or installations having external electricity supply
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- 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
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- 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
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
- B04C2009/001—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with means for electrostatic separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
- B04C2009/002—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with external filters
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention relates to a high-voltage electrostatic absorber. The high-voltage electrostatic absorber comprises a closed cavity, cathode electrodes (8), anode dust collecting plates (7) and a dust unloading valve (11) positioned below the closed cavity, and is characterized in multiple cathode electrodes (8) are connected with each other; multiple anode dust collecting plates (7) are connected with each other; the closed cavity is divided into multiple small cavities with opened upper and lower parts by the anode dust collecting plates (7); the cathode electrodes (8) are arranged in the small cavities like goads; multiple needle-shaped barbs are inlaid on the peripheries of the goad lengths; and the anode dust collecting plates (7) are metal corrugated boards. The high-voltage electrostatic absorber has the advantages of good dust removing effect and energy conservation.
Description
Technical field
The present invention relates to a kind of dust arrester.
Background technology
At present, with ore extraction powder processing industry in iron and steel metallurgical industry, also exist each in the enterprise containing powder, powder ash or broken material
A dirt pits of formula various kinds, exists for the airborne dusts such as rickyard, handling facilities, blowpit, transfer station, melt pit, ash unloading bin and plays dirt pits such as iron and steel enterprise,
These rise, and dirt pits is random is scattered in each place of on-site, and dust pollution situation is the most serious in these air of workplace.For understanding
Certainly iron and steel industrial and mining establishment on-site has disperseed the airborne dust problem of dirt pits, and producer of industrial and mining establishment utilizes color steel enclosing airborne dust scene to utilize watering mostly simultaneously
Stop airborne dust to escape etc. mode, but owing to the enclosing built of unreasonable and interim color steel of enclosing structure design is the simplest and the crudest, airborne dust still can be from
Various gaps escape, has caused the dust pollution of dirt pits to can not get basic improvement;Also have inside industrial and mining establishment and utilize large-scale bag-type dust removal system
Carry out each imagination filtered of collecting having disperseed dirt pits, but on the one hand because investment is unfavorable for greatly implementing, on the other hand gather dust due to cloth bag system
The concentration dirt the most finally collected processes and cannot effectively process, and this imagination is the most uneconomical and reliable.
Summary of the invention
It is an object of the invention to provide a kind of airborne dust purified treatment effective, easy to maintenance, high-pressure electrostatic adsorber that energy consumption is little.The technology of the present invention
Scheme is as follows:
A kind of high-pressure electrostatic adsorber (6), including closed cavity, cathode electrode (8), anode collecting plate (7) be positioned at below closed cavity
Unloading valve (11), it is characterised in that cathode electrode (8) is interconnective multiple, anode collecting plate (7) is also for multiple interconnective many
Individual, closed cavity is divided into the areola of the equal opening in multiple upper and lower by anode collecting plate (7), and cathode electrode (8) is arranged in each
In areola, shape such as goad, the periphery long along rod inlays multiple needle-like prickle;Anode collecting plate (7) is metal corrugated plate.
The high-pressure electrostatic adsorber that invention uses also has following beneficial effect: (1) considers point discharge, it should use spiny negative electrode pair
Anode discharge;(2) whole cathode bar use conductive material, interface is square, along square square column four sides every a segment distance Bu Mangci, this
Sample prickle can realize point discharge according to four direction, adds dust-collecting area;(3) anode collecting plate uses structure rather than the flat board of corrugated plating,
Also the dust-collecting area of anode is accordingly increased;(4) whole cavity is divided into multiple areola, so can increase dust-collecting area.Various from scene
Experimentation is seen, the static electric field between prickle shape cathode electrode rod and corrugated plating anode collecting plate is very uniform, and dust removing effects effect is fine.
Accompanying drawing explanation
Fig. 1 pinpoints the front view of dust arrester
Fig. 2 pinpoints the A-A profile of dust arrester
The top view of Fig. 3 high-pressure electrostatic adsorber
Fig. 4 anode collecting plate detail drawing
Fig. 5 cathode electrode detail drawing
1. dust arrester maintenance door;2. container shell;3. outlet blast cap;4. cyclone dust extractor;5. centrifugal blower;6. high-pressure electrostatic adsorber;
7. anode collecting plate;8. cathode electrode;9. in, imitate air filter;10. cyclone dust extractor unloading valve;11. electrostatic precipitator unloading valves;12.
Prickle
Detailed description of the invention
Below in conjunction with the application scenarios of the present invention, the present invention will be described.
Seeing Fig. 1 and Fig. 2, whole dust arrester main body is mainly by container shell 2, cyclone dust extractor 4, centrifugal blower 5, and high-pressure electrostatic adsorbs
Device 6 (being mainly made up of cathode electrode 8 and anode collecting plate 7), middle effect air filter 9 and some other accessory are constituted.Container shell
Miscellaneous part organic assembling is constructed whole fixed point dust arrester by 2.
The effect of centrifugal blower 5 is to provide power to the dust-contained airflow playing dirt pits, is drawn in fixed point dust arrester and purifies;
The action principle of cyclone dust extractor 4 is: dusty gas produces centrifugal force in rotary course, and the dust granules making severe be more than gas overcomes gas
Flow resistance shifts to limit wall.Granule once contacts with wall, just loses inertia force and the adherent landing that faces down under the drive of gravity and rotating fluid,
After from cone end ash releasing tube discharge cyclone cylinder.Rotate the air-flow declined and arrive near cone end behind a certain position, with same direction of rotation at cleaner unit
In turned back upwards by down, inside descending air-flow, spiral is up, and the fine particle not separated eventually together with some together discharges exhaustor.
The effect of high-pressure electrostatic adsorber 6 is Electrostatic Absorption: containing the gas of dust granules, be connected to the cathode electrode of high-voltage DC power supply (also known as electricity
Dizzy pole) high voltage electric field that formed between 8 and the anode collecting plate 7 of ground connection is when passing through, owing to cathode electrode 8 occurs corona discharge, gas to be ionized,
Now, electronegative gas ion, under the effect of electric field force, moves to anode collecting plate 7, collides with dust granules at the volley, then make dirt
Grain lotus with negative electricity, charged after grit under the effect of electric field force, also move to anode collecting plate 7, after arriving anode collecting plate 7, release and carried
Electronics, grit is then deposited on anode collecting plate 7, and the gas that is purified is discharged outside dust-arrest device.
Seeing Fig. 3-5, whole electrostatic precipitator is divided into four chambeies, and each chamber is respectively by a cathode electrode rod and the anode collecting plate (ripple of four direction
Card) constitute, the consideration following points of electrostatic precipitator design:
1, in view of point discharge, it should use spiny negative electrode to anode discharge;
2, using conductive material at whole cathode bar, interface is square, and the four sides of edge square square column is every a segment distance Bu Mangci, such prickle
Point discharge can be realized according to four direction, add dust-collecting area.
3, other anode collecting plate uses structure rather than the flat board of corrugated plating, also accordingly increases the dust-collecting area of anode.
4, in terms of on-the-spot various experimentations, the static electric field between prickle shape cathode electrode rod and corrugated plating anode collecting plate is very uniform, removes
Dirt effects is fine.
The effect of middle effect air filter 9 is: be mainly used in catching that minimal amount of granule is less can not be processed by cyclone dust extractor and to Electrostatic Absorption not
The sensitive dust that can not be adsorbed by high-pressure electrostatic.
Claims (2)
1. a high-pressure electrostatic adsorber, including closed cavity, cathode electrode (8), anode collecting plate (7) be positioned at unloading below closed cavity
Ash valve (11), it is characterised in that cathode electrode (8) is interconnective multiple, and anode collecting plate (7) is also multiple interconnective multiple,
Closed cavity is divided into the areola of the equal opening in multiple upper and lower by anode collecting plate (7), and cathode electrode (8) is arranged in each little sky
Intracavity, shape such as goad, the periphery long along rod inlays multiple needle-like prickle;Anode collecting plate (7) is metal corrugated plate.
High-pressure electrostatic adsorber the most according to claim 1, it is characterised in that cathode electrode (8), shape such as cuboid goad, cross section is
Square.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610542497.9A CN106000643A (en) | 2016-07-11 | 2016-07-11 | High-voltage electrostatic absorber for dust removal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610542497.9A CN106000643A (en) | 2016-07-11 | 2016-07-11 | High-voltage electrostatic absorber for dust removal |
Publications (1)
Publication Number | Publication Date |
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CN106000643A true CN106000643A (en) | 2016-10-12 |
Family
ID=57109166
Family Applications (1)
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CN201610542497.9A Pending CN106000643A (en) | 2016-07-11 | 2016-07-11 | High-voltage electrostatic absorber for dust removal |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07313901A (en) * | 1994-05-27 | 1995-12-05 | Omi Kogyo Co Ltd | Electrostatic dust collector |
CN2458076Y (en) * | 2000-10-16 | 2001-11-07 | 杨振坤 | Wide specific resistance high-voltage electrostatic dust collector |
CN2749575Y (en) * | 2004-05-19 | 2006-01-04 | 福建卫东环保科技股份有限公司 | Narrow pitched electric dust collector |
CN1791468A (en) * | 2003-08-29 | 2006-06-21 | 三菱重工业株式会社 | Dust collector |
CN201120318Y (en) * | 2007-11-01 | 2008-09-24 | 翁少杰 | Electrostatic dust remover |
CN204685291U (en) * | 2015-05-21 | 2015-10-07 | 河北省电力勘测设计研究院 | A kind of positive plate of wet cottrell |
CN205797488U (en) * | 2016-07-11 | 2016-12-14 | 天津华派集装箱制造有限公司 | A kind of high-pressure electrostatic adsorber for dedusting |
-
2016
- 2016-07-11 CN CN201610542497.9A patent/CN106000643A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07313901A (en) * | 1994-05-27 | 1995-12-05 | Omi Kogyo Co Ltd | Electrostatic dust collector |
CN2458076Y (en) * | 2000-10-16 | 2001-11-07 | 杨振坤 | Wide specific resistance high-voltage electrostatic dust collector |
CN1791468A (en) * | 2003-08-29 | 2006-06-21 | 三菱重工业株式会社 | Dust collector |
CN2749575Y (en) * | 2004-05-19 | 2006-01-04 | 福建卫东环保科技股份有限公司 | Narrow pitched electric dust collector |
CN201120318Y (en) * | 2007-11-01 | 2008-09-24 | 翁少杰 | Electrostatic dust remover |
CN204685291U (en) * | 2015-05-21 | 2015-10-07 | 河北省电力勘测设计研究院 | A kind of positive plate of wet cottrell |
CN205797488U (en) * | 2016-07-11 | 2016-12-14 | 天津华派集装箱制造有限公司 | A kind of high-pressure electrostatic adsorber for dedusting |
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Application publication date: 20161012 |