CN216631196U - High-efficiency electric dust collector of coal-fired unit - Google Patents
High-efficiency electric dust collector of coal-fired unit Download PDFInfo
- Publication number
- CN216631196U CN216631196U CN202122925163.9U CN202122925163U CN216631196U CN 216631196 U CN216631196 U CN 216631196U CN 202122925163 U CN202122925163 U CN 202122925163U CN 216631196 U CN216631196 U CN 216631196U
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- China
- Prior art keywords
- polar plate
- dust collector
- polar
- shell
- smoke box
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- Expired - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 60
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 4
- 230000005684 electric field Effects 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 239000012717 electrostatic precipitator Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Electrostatic Separation (AREA)
Abstract
The utility model discloses a high-efficiency electric dust collector of a coal-fired unit, which comprises an air inlet smoke box, an air outlet smoke box, a subarea power supply part, a shell, a shutter polar plate, a change working face polar line, a vibration dust cleaning device and an ash bucket, wherein the original C-shaped shielding polar plate is changed into the shutter polar plate by improving the polar plate, so that the rigidity of the polar plate is increased, the polar plate is not easy to deform, the running stability of an electric field is improved, meanwhile, the polar plate has the function of stabilizing air flow besides dust collection, and the good dust cleaning effect can be ensured when the polar plate is cleaned, and the polar plate is clean and thorough; the convenient partition control is realized by improving the circuit of the electric dust collector; the discharge surface is changed by changing the polar line of the working surface in a bur line mode, and the bur line is matched with the polar plate after changing the discharge surface, so that the electric dust collector operates stably and the electric field intensity is high; the secondary dust emission of the electric dust collector is greatly reduced through the advantages.
Description
Technical Field
The utility model relates to the technical field of coal-fired boiler dust removal, in particular to a high-efficiency electric dust collector of a coal-fired unit.
Background
Conventional electrostatic precipitator has a great deal of problem, and electrostatic precipitator operation is unstable, and flashover is serious, has the utmost point interval unstability, and the ash is not thorough, seriously glues the ash, especially polar plate upper portion, and electrostatic precipitator import flue gas seriously sprays the phenomenon, and wearing and tearing are serious, and the homogeneity is poor, and the secondary raise dust that causes by multiple factor is great and in electrostatic precipitator's the use, and the subregion power supply is comparatively difficult.
Therefore, some domestic industry departments have certain prejudices on the use of the electric dust collector, and the direct expression is to improve the dust removal efficiency of the original electric dust collector and reduce the emission concentration, sometimes only to reduce the emission by about 30mg/m3, and unfortunately, the original good electric dust collector is changed into a bag-type dust collector, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model discloses a high-efficiency electric dust collector of a coal-fired unit, which adopts the technical scheme that the high-efficiency electric dust collector comprises an air inlet smoke box, an air outlet smoke box, a subarea power supply part, a shell, louver polar plates and a change working face polar line, wherein the air inlet smoke box is fixed on the left side of the shell, the air outlet smoke box is fixed on the right side of the shell, the subarea power supply part is arranged at the lower part in the shell to realize subarea power supply to an electric field, a plurality of groups of louver polar plates and the change working face polar line are uniformly arranged between the air inlet smoke box and the air outlet smoke box in the shell in a staggered mode, and a single group of louver polar plates are positioned on the left side of the change working face polar line and adsorb dust under the action of the electric field.
As a preferred technical scheme of the utility model, the louver pole plate is provided with the bulge part with the vertex angle of ninety degrees, the bulge part is arranged to effectively improve the strength of the louver pole plate, and the thickness of the bulge part is 1 mm.
As a preferred technical scheme of the utility model, the polar line of the working face is changed into the barbed wire, the distance between the barbed tips on one side of the barbed wire is 50mm, the height of the barbed wire is 3000mm, and the length of the barbed wire is 106 mm.
As a preferred technical scheme of the utility model, the shell is also internally provided with an ash removal device which comprises a thickness gauge, a vibration ash removal device and an ash bucket, the thickness gauge is arranged on the louver polar plate and used for monitoring the thickness of dust adsorbed on the louver polar plate in real time, the vibration ash removal device is arranged on the right side of the louver polar plate and used for removing ash on the surface of the louver polar plate when the dust is adsorbed to a certain thickness, and the ash bucket is fixed inside the shell below the louver polar plate and used for collecting the dust.
As a preferred technical scheme of the utility model, the ash hopper is communicated with the external ash storage bin through a pneumatic ash conveying system.
The utility model has the beneficial effects that: the polar plate is improved, the original C-shaped shielding polar plate is changed into a shutter type polar plate, the rigidity of the polar plate is increased, the polar plate is not easy to deform, the stability of electric field operation is improved, meanwhile, the polar plate has the effect of stabilizing air flow besides dust collection, and a good dust removal effect can be ensured when the polar plate is subjected to dust removal, so that the polar plate is clean and thorough; the convenient partition control is realized by improving the power supply of the electric dust collector; the electrode line of the working surface is changed by adopting a burred line mode to change the discharge surface, and the burred line is matched with the polar plate after the discharge surface is changed, so that the electric dust collector operates stably and the electric field intensity is high; the secondary dust emission of the electric dust collector is greatly reduced through the advantages.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a working face polar line of the present invention;
FIG. 3 is a schematic view of a louvered plate of the present invention;
FIG. 4 is a power supply diagram for the electric field in different zones according to the present invention.
In the figure: the air inlet smoke box 1, the air outlet smoke box 2, the partition power supply part 3, the shell 4, the shutter pole plate 5 and the change working face polar line 6.
Detailed Description
Example 1
As shown in fig. 1 to 4, the utility model discloses a high-efficiency electric dust collector of a coal-fired unit, which adopts the technical scheme that the high-efficiency electric dust collector comprises an air inlet smoke box 1, an air outlet smoke box 2, a subarea power supply part 3, a shell 4, louver polar plates 5 and a change working face polar line 6, wherein the air inlet smoke box 1 is fixed on the left side of the shell 4, the air outlet smoke box 2 is fixed on the right side of the shell 4, the subarea power supply part 3 is arranged at the lower part in the shell 4 and supplies power to an electric field in subareas, a plurality of groups of louver polar plates 5 and change working face polar line 6 are uniformly arranged in a staggered mode in a region between the air inlet smoke box 1 and the air outlet smoke box 2 in the shell 4, and the louver polar plates 5 are positioned on the left side of the change working face polar line 6 in each group.
As a preferable technical scheme of the utility model, the louver pole plate 5 is provided with a convex part with an apex angle of ninety degrees, the arrangement of the convex part effectively improves the strength of the louver pole plate 5, and the thickness of the convex part is 1 mm.
As a preferred technical scheme of the utility model, the polar line 6 of the working face is changed into a barbed wire, the distance between barbed tips on one side of the barbed wire is 50mm, the height of the barbed wire is 3000mm, and the length of the barbed wire is 106 mm.
As a preferred technical scheme of the utility model, the shell 4 is also provided with a dust cleaning device, which specifically comprises a thickness gauge, a vibration dust cleaning device and a dust hopper, the thickness gauge is arranged on the louver polar plate 5 and can detect the thickness of dust adsorbed on the louver polar plate 5, when the thickness reaches a certain degree, the vibration dust cleaning device arranged on the right side of the louver polar plate 5 is started to clean the adsorbed dust, and the dust hopper fixed in the shell 4 below the louver polar plate 5 is utilized for recovery.
As a preferred technical scheme of the utility model, the ash hopper is communicated with an external ash storage bin through a pneumatic ash conveying system to intensively recycle the dust.
The working principle of the utility model is as follows: when in use, after entering the air inlet smoke box 1, smoke enters the front end of the electric dust collector through the air distribution plate, at the moment, electrons are discharged under the action of high-voltage corona by changing a working face polar line 6, due to the action of negative electric molecules, space charges are generated to enable the electrons to become negative ions, the negative ions charge dust, the process is completed instantly, under the action of a high-voltage electric field, dust particles with negative electricity move to the louver polar plate 5 and are adsorbed on the louver polar plate 5, then the electrons are discharged and are adsorbed on the louver polar plate 5, the process is continuously carried out, fine dust is combined and changed into large dust, when the dust on the louver polar plate 5 reaches a certain thickness set by a thickness gauge, the louver polar plate 5 carries out dust removal by using a dust removal device, large-particle dust and flaky dust fall into a dust hopper, and the fine dust is popped out about 3mm from the polar plate, and adsorbing again, waiting for the next ash removal to fall into an ash hopper, and transporting the dust falling into the ash hopper to a special ash storage bin through a pneumatic ash conveying system to wait for outward transportation or pollution-free treatment. .
The circuit connections involved in the present invention are conventional means employed by those skilled in the art, can be technically inspired by limited trials, and are widely used prior art.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides a coal-fired unit high efficiency electric dust collector which includes its characterized in that: comprises an air inlet smoke box (1), an air outlet smoke box (2), a subarea power supply part (3), a shell (4), a shutter pole plate (5) and a change working face polar line (6); the air inlet smoke box (1) is fixed on the left side of the shell (4); the air outlet smoke box (2) is fixed on the right side of the shell (4); a subarea power supply part (3) is arranged at the lower part in the shell (4); a plurality of groups of louver electrode plates (5) and working face polar lines (6) are uniformly arranged in the shell (4) between the air inlet smoke box (1) and the air outlet smoke box (2) in a staggered manner; and a single group of the shutter pole plates (5) is positioned on the left side of the polar line (6) of the change working face.
2. The high-efficiency electric dust collector of the coal-fired unit as claimed in claim 1, wherein: the louver polar plate (5) is provided with a convex part with an apex angle of ninety degrees; the thickness of the bulge part is 1 mm.
3. The high-efficiency electric dust collector of the coal-fired unit as claimed in claim 1, wherein: the polar line (6) of the working face is changed into a barbed line; the distance between the barbed tips on the single side of the barbed wire is 50 mm; the height of the barbed wire is 3000mm, and the length of the barbed wire is 106 mm.
4. The high-efficiency electric dust collector of the coal-fired unit as claimed in claim 1, wherein: the shell (4) is also internally provided with an ash removal device; the ash removal device comprises a thickness gauge, a vibration ash removal device and an ash bucket; the shutter pole plate (5) is provided with a thickness gauge; a rapping dust removal device is arranged on the right side of the shutter pole plate (5); an ash bucket is fixed inside the shell (4) below the shutter pole plate (5).
5. The high-efficiency electric dust collector of the coal-fired unit as claimed in claim 4, wherein: the ash bucket is communicated with an external ash storage bin through a pneumatic ash conveying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122925163.9U CN216631196U (en) | 2021-11-26 | 2021-11-26 | High-efficiency electric dust collector of coal-fired unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122925163.9U CN216631196U (en) | 2021-11-26 | 2021-11-26 | High-efficiency electric dust collector of coal-fired unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216631196U true CN216631196U (en) | 2022-05-31 |
Family
ID=81738084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122925163.9U Expired - Fee Related CN216631196U (en) | 2021-11-26 | 2021-11-26 | High-efficiency electric dust collector of coal-fired unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216631196U (en) |
-
2021
- 2021-11-26 CN CN202122925163.9U patent/CN216631196U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 638500 No. 1, Guangdian Avenue, Daishi Town, Qianfeng District, Guang'an City, Sichuan Province Patentee after: SICHUAN GUANG'AN POWER GENERATION CO.,LTD. Patentee after: Beijing Green Branch Technology Co.,Ltd. Address before: 638500 No. 1, Guangdian Avenue, Daishi Town, Qianfeng District, Guang'an City, Sichuan Province Patentee before: Sichuan Guang'an Power Generation Co.,Ltd. Patentee before: Beijing Green Branch Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |