CN106000643A

CN106000643A - High-voltage electrostatic absorber for dust removal

Info

Publication number: CN106000643A
Application number: CN201610542497.9A
Authority: CN
Inventors: 张梅生; 王烨
Original assignee: Tianjin Hua Pai Production Container Co Ltd
Current assignee: Tianjin Hua Pai Production Container Co Ltd
Priority date: 2016-07-11
Filing date: 2016-07-11
Publication date: 2016-10-12

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

A kind of high-pressure electrostatic adsorber for dedusting

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

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.