CN202410839U - Electrostatic dust collector - Google Patents
Electrostatic dust collector Download PDFInfo
- Publication number
- CN202410839U CN202410839U CN2012200298093U CN201220029809U CN202410839U CN 202410839 U CN202410839 U CN 202410839U CN 2012200298093 U CN2012200298093 U CN 2012200298093U CN 201220029809 U CN201220029809 U CN 201220029809U CN 202410839 U CN202410839 U CN 202410839U
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- Prior art keywords
- electric field
- cleaning
- tapping
- flapping
- ash removal
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Abstract
The utility model discloses an electrostatic dust collector which comprises a housing, wherein the two ends of the housing are respectively provided with an air inlet and an air outlet, the housing is internally provided with at least one electric field formed in the way that cathode rays and anode plates are matched, and each electric field is internally provided with at least two cathode ray tapping and cleaning devices and at least two anode plate tapping and cleaning devices. According to the electrostatic dust collector, each tapping and cleaning device is only responsible for the tapping and cleaning work of part of the anode plates or the cathode rays of one electric field, and the tapping and cleaning devices complete the tapping and cleaning work of all the anode plates or the cathode rays of one electric field in steps, so that the total amount of secondary dust generated in the electric field can be effectively reduced; and simultaneously, a stepped tapping and cleaning method is adopted, tapping and cleaning is carried out by the electrostatic dust collector in zones, at time intervals and by steps, and the tapping and cleaning is not simultaneously carried out in each one electric field and among the electric fields, so that the total amount of the secondary dust generated during the tapping and cleaning can be reduced, and the density of the dust at the outlet of the electric dust collector is reduced.
Description
Technical field
The utility model belongs to the electrostatic precipitator technology field, is specifically related to a kind of electrostatic precipitator.
Background technology
Existing electrostatic precipitator comprises casing, and the casing two ends are respectively equipped with air inlet and exhaust outlet, is provided with several in the casing and cooperates the electric field of forming by cathode line and positive plate, and ash removal equipment for flapping is set in the electric field; Gas parallel cathode lines and positive plate pass through; On cathode line, apply the negative high voltage direct current; Make its ionized gas produce anion; Flue dust is charged and be adsorbed on the positive plate in flowing through the way, through ash removal equipment for flapping smoke particle is come off from the surface of electrode, thereby reaches the purpose of deduster deashing.
But because the interior cathode line ash removal equipment for flapping of operated by rotary motion of each electric field of existing electrostatic precipitator and a positive plate ash removal equipment for flapping, an ash removal equipment for flapping is accomplished the vibration dust-cleaning work of all positive plates of electric field or cathode line; Cause the reentrainment of dust total amount of generation in the electric field bigger; Simultaneously, in actual moving process, electrostatic precipitator dust-collecting and vibrating scheme is provided with inaccurate; The positive plate of each electric field, cathode line be vibration dust-cleaning simultaneously; And while deashing between the different electric fields, the reentrainment of dust total amount that produces when making vibration dust-cleaning is very big, and electrostatic precipitator outlet dust concentration raises.
Summary of the invention
In view of this, the utility model provides a kind of electrostatic precipitator, effectively reduces the reentrainment of dust total amount that electrostatic precipitator produces when vibration dust-cleaning, and electrostatic precipitator outlet dust concentration is not raise.
The electrostatic precipitator of the utility model; Comprise casing; Said casing two ends are respectively equipped with air inlet and exhaust outlet; Be provided with at least one in the said casing and cooperate the electric field of forming, at least two cathode line ash removal equipment for flapping and at least two positive plate ash removal equipment for flapping are set in each said electric field by cathode line and positive plate.
Further, the cathode line ash removal equipment for flapping in each said electric field lays respectively at the cathode line left and right sides;
Further, the positive plate ash removal equipment for flapping in each said electric field lays respectively at the positive plate rear and front end.
The beneficial effect of the utility model is: the utility model is provided with at least two cathode line ash removal equipment for flapping and at least two positive plate ash removal equipment for flapping in each electric field; Each ash removal equipment for flapping only is responsible for the vibration dust-cleaning work of an electric field segment anode plate or cathode line; A plurality of ash removal equipment for flapping are accomplished the vibration dust-cleaning work of all positive plates of electric field or cathode line step by step, have effectively lowered the reentrainment of dust total amount that produces in the electric field; Simultaneously; The utility model can adopt vibration dust-cleaning method step by step; With the electrostatic precipitator subregion, carry out vibration dust-cleaning step by step at times; Vibration dust-cleaning between electric field inside and each electric field does not carry out simultaneously, and the reentrainment of dust total amount that has produced when having reduced vibration dust-cleaning has reduced electrostatic precipitator outlet dust concentration.
Description of drawings
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done further to describe in detail below, wherein:
Fig. 1 is the structural representation of the electrostatic precipitator of the utility model.
The specific embodiment
Below will be with reference to accompanying drawing, the preferred embodiment of the utility model is carried out detailed description.
Fig. 1 is the structural representation of the electrostatic precipitator of the utility model; As shown in the figure; The electrostatic precipitator of the utility model comprises casing 21, and said casing 21 two ends are respectively equipped with air inlet 22 and exhaust outlet 23; Be provided with five in the said casing 21 and cooperate the electric fields formed (be followed successively by from left to right among the figure first, second, third and fourth, five electric fields), two cathode line ash removal equipment for flapping and two positive plate ash removal equipment for flapping are set in each said electric field by cathode line and positive plate.
In the present embodiment; Cathode line ash removal equipment for flapping in each said electric field lays respectively at the cathode line left and right sides (among the figure; 3,7,11,15,19 be respectively first, second, third and fourth, five electric field cathode line left sides ash removal equipment for flapping, 4,8,12,16,20 be respectively first, second, third and fourth, five electric field cathode line right side ash removal equipment for flapping).
In the present embodiment; Positive plate ash removal equipment for flapping in each said electric field lays respectively at the positive plate rear and front end (among the figure; 1,5,9,13,17 be respectively first, second, third and fourth, ash removal equipment for flapping before the five electric field positive plates, 2,6,10,14,18 be respectively first, second, third and fourth, ash removal equipment for flapping behind the five electric field positive plates).
In the electrostatic precipitator of the utility model; Each ash removal equipment for flapping only is responsible for the vibration dust-cleaning work of an electric field segment anode plate or cathode line; A plurality of ash removal equipment for flapping are accomplished the vibration dust-cleaning work of all positive plates of electric field or cathode line step by step, have effectively lowered the reentrainment of dust total amount that produces in the electric field.
The method of vibration dust-cleaning step by step of the electrostatic precipitator of the utility model, all cathode line ash removal equipment for flapping and positive plate ash removal equipment for flapping all move in different time sections; Behind cathode line ash removal equipment for flapping or the positive plate ash removal equipment for flapping end of run, 30 ~ 60 seconds at interval, start next cathode line ash removal equipment for flapping or positive plate ash removal equipment for flapping; Be 2 ~ 3 minutes the running time of said cathode line ash removal equipment for flapping or positive plate ash removal equipment for flapping; Move cathode line ash removal equipment for flapping and positive plate ash removal equipment for flapping in each electric field successively along gas flow.
In the present embodiment, concrete vibration dust-cleaning scheme is: 1～No. 8 ash removal equipment for flapping is formed first vibration dust-cleaning cycle, and 9 ~ No. 20 ash removal equipment for flapping is formed second vibration dust-cleaning cycle; First vibration dust-cleaning cycle is opened to No. 8 ash removal equipment for flapping from No. 1 ash removal equipment for flapping and finishes; Each ash removal equipment for flapping operation 2 minutes, interval 30 seconds; Move ash removal equipment for flapping successively 1,2,3,4,5,6,7, No. 8, circulation of completion in per 20 minutes; Second vibration dust-cleaning cycle is opened to No. 20 ash removal equipment for flapping from No. 9 ash removal equipment for flapping and finishes; Each ash removal equipment for flapping operation 2 minutes, interval 30 seconds; Move ash removal equipment for flapping successively 9,10,11,12,13,14,15,16,17,18,19, No. 20, circulation of completion in per 30 minutes; First vibration dust-cleaning cycle and second time interval of vibration dust-cleaning between the cycle are 3.75 minutes.Pass through such scheme; With the electrostatic precipitator subregion, carry out vibration dust-cleaning step by step at times; Vibration dust-cleaning between inner and each electric field of electric field does not carry out simultaneously, the reentrainment of dust total amount that has produced when having reduced vibration dust-cleaning, between electrostatic precipitator outlet dust concentration wave zone by original 50% ~ 80%; Be reduced to below 10%, at 30mg/Nm
3Emission request under, the electrostatic precipitator efficiency of dust collection slightly raises, the outlet dust emission is stable, do not have obviously fluctuation.
Certainly; Concrete vibration dust-cleaning scheme can be under the principle of vibration dust-cleaning method step by step; Adjust according to electrostatic precipitator operation physical condition, and can scheme all be incorporated in the dedusting control system, through the timing deashing; Improve the operating efficiency of electrostatic precipitator positive plate, cathode line, reduce electrostatic precipitator outlet dust concentration.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the preferred embodiment through with reference to the utility model is described the utility model; But those of ordinary skill in the art should be appreciated that and can make various changes to it in form with on the details, and the spirit and the scope of the utility model that does not depart from appended claims and limited.
Claims (3)
1. electrostatic precipitator; Comprise casing; Said casing two ends are respectively equipped with air inlet and exhaust outlet; Be provided with at least one in the said casing and cooperate the electric field of forming, it is characterized in that: at least two cathode line ash removal equipment for flapping and at least two positive plate ash removal equipment for flapping are set in each said electric field by cathode line and positive plate.
2. electrostatic precipitator according to claim 1 is characterized in that: the cathode line ash removal equipment for flapping in each said electric field lays respectively at the cathode line left and right sides.
3. electrostatic precipitator according to claim 1 is characterized in that: the positive plate ash removal equipment for flapping in each said electric field lays respectively at the positive plate rear and front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200298093U CN202410839U (en) | 2012-01-30 | 2012-01-30 | Electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200298093U CN202410839U (en) | 2012-01-30 | 2012-01-30 | Electrostatic dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202410839U true CN202410839U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200298093U Expired - Lifetime CN202410839U (en) | 2012-01-30 | 2012-01-30 | Electrostatic dust collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN202410839U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553721A (en) * | 2012-01-30 | 2012-07-11 | 中国电力投资集团公司 | Static deduster and step-by-step rapping deashing method thereof |
| CN103551250A (en) * | 2013-11-05 | 2014-02-05 | 福建龙净环保股份有限公司 | Electric dust collector and vibrating method thereof |
| CN104415857A (en) * | 2013-09-06 | 2015-03-18 | 上海冶金矿山机械厂 | Structure device for zoning vibration of dust collecting plate |
| CN104841556A (en) * | 2015-03-24 | 2015-08-19 | 江苏新中环保股份有限公司 | Low-low-temperature electric dust remover |
| CN105195327A (en) * | 2015-08-31 | 2015-12-30 | 浙江菲达环保科技股份有限公司 | Reentrainment control method for low-low temperature electric dust remover |
| CN105478237A (en) * | 2015-12-23 | 2016-04-13 | 浙江菲达环保科技股份有限公司 | Small subarea power supplied low-low-temperature electric precipitator and transformation method |
| CN108636611A (en) * | 2018-05-14 | 2018-10-12 | 大唐信阳发电有限责任公司 | A kind of electric precipitation vibration control system and control method |
| CN112495588A (en) * | 2019-09-13 | 2021-03-16 | 赵红文 | Reverse-order rapping method of electric precipitation anode plate for flue gas treatment |
-
2012
- 2012-01-30 CN CN2012200298093U patent/CN202410839U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553721A (en) * | 2012-01-30 | 2012-07-11 | 中国电力投资集团公司 | Static deduster and step-by-step rapping deashing method thereof |
| CN102553721B (en) * | 2012-01-30 | 2015-08-05 | 中国电力投资集团公司 | Electrostatic precipitator and step by step vibration dust-cleaning method |
| CN104415857A (en) * | 2013-09-06 | 2015-03-18 | 上海冶金矿山机械厂 | Structure device for zoning vibration of dust collecting plate |
| CN103551250A (en) * | 2013-11-05 | 2014-02-05 | 福建龙净环保股份有限公司 | Electric dust collector and vibrating method thereof |
| CN104841556A (en) * | 2015-03-24 | 2015-08-19 | 江苏新中环保股份有限公司 | Low-low-temperature electric dust remover |
| CN105195327A (en) * | 2015-08-31 | 2015-12-30 | 浙江菲达环保科技股份有限公司 | Reentrainment control method for low-low temperature electric dust remover |
| CN105478237A (en) * | 2015-12-23 | 2016-04-13 | 浙江菲达环保科技股份有限公司 | Small subarea power supplied low-low-temperature electric precipitator and transformation method |
| CN108636611A (en) * | 2018-05-14 | 2018-10-12 | 大唐信阳发电有限责任公司 | A kind of electric precipitation vibration control system and control method |
| CN112495588A (en) * | 2019-09-13 | 2021-03-16 | 赵红文 | Reverse-order rapping method of electric precipitation anode plate for flue gas treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
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| CX01 | Expiry of patent term |