CN102430477B - Electrostatic dust remover with movable electrode plate - Google Patents
Electrostatic dust remover with movable electrode plate Download PDFInfo
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- CN102430477B CN102430477B CN201110447354.7A CN201110447354A CN102430477B CN 102430477 B CN102430477 B CN 102430477B CN 201110447354 A CN201110447354 A CN 201110447354A CN 102430477 B CN102430477 B CN 102430477B
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Abstract
The invention relates to an electrostatic dust remover with a movable electrode plate. A fixed anode plate and a cathode wire are respectively arranged in each of a first electric field and a second electric field, and a movable electrode plate dust removing device is arranged in a third electric field and consists of a driving shaft (7), a driven shaft (10), a chain (11) and a movable electrode plate (8), a pair of steel wire dedusting brushes (14) rotating in opposite directions are arranged at two sides of the lower part of the movable electrode plate and matched with the movable electrode plate, the upper part of the movable electrode plate dust removing device is provided with an upper electrode plate guide frame (11a) and the lower part of the movable electrode plate dust removing device is provided with a lower electrode plate guide frame (11b). The electrostatic dust remover has the advantages that an integrated fastened-type anode plate is applied to each of the first electric field and the second electric filed, the top parts and side parts of the first electric field and the second electric filed are in a working mode of vibrating and hitting coexistence, thereby ensuring the dedusting capability of a previous-grade electric field; and the movable electrode plate dust removing device is applied to the third electric field, thereby thoroughly eliminating the anti-corona phenomenon which is very common in a conventional dust remover, and solving a technical difficulty that the conventional dust remover can hardly remove high-viscidity dust.
Description
Technical field
The present invention relates to a kind of novel Mobile pole plate electrostatic precipitator, belong to the smoke dust-removing equipment field of air contaminant treatment.
Technical background
At present the cleaner of China coal-burning power plant overwhelming majority adopts electrostatic precipitator, and the major advantage of electrostatic precipitator is that running resistance is little, long service life, operation and maintenance cost are low, can normally operation under higher flue-gas temperature, larger smoke moisture condition.Yet conventional electrostatic precipitator is subject to the impact of combustion medium and boiler service condition larger, the variation of the characteristics such as the ratio resistance of dust, particle diameter is having a strong impact on the efficiency of dust collection of electrostatic precipitator.
In order to address the above problem, Hitachi, Ltd has proposed to use the technology of Mobile pole plate in electrostatic precipitator, can effectively address the above problem, but in the actual use procedure of Mobile pole plate, also exist some shortcomings, if prime electric field anode system is due to features such as plate profile structure, rapping systems, ash-removal effect is not ideal enough, swings interference problem, a certain group of Mobile pole plate dust arrester can affect other group Mobile pole plate dust arrester running problem after breaking down during Mobile pole plate operation.
Summary of the invention
Object of the present invention is exactly the shortcoming existing in prior art in order to solve, and provides a kind of and can keep lastingly high efficiency of dust collection, range of application a kind of Novel electrostatic precipitator widely.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of Mobile pole plate electrostatic precipitator, comprise the first electric field, the second electric field, first, in two electric fields, be respectively equipped with fixed anode plate and cathode line, the second electric field also connects the 3rd electric field, in the 3rd electric field, be provided with at least one group of Mobile pole plate dust arrester, described one group of Mobile pole plate dust arrester, comprise the driving shaft that is arranged on the 3rd electric field top, be arranged on the driven shaft of the 3rd electric field bottom, driving shaft and driven shaft two ends are connected with respectively sprocket wheel, on sprocket wheel corresponding to every side, connect respectively a chain, on the chain of both sides, connect successively one group of Mobile pole plate with certain width, fixed negative pole line is arranged between Mobile pole plate, in the 3rd electric field bottom ash bucket in non-airflow region, the both sides of Mobile pole plate, the steel wire dust cleaning brush that is equipped with a pair of opposite direction rotating coordinates with Mobile pole plate, it is characterized in that:
The both sides of the 3rd every group, electric field top Mobile pole plate dust arrester chain are provided with top crown leading truck, and the 3rd chain both sides, electric field bottom are provided with bottom crown leading truck.
Described upper and lower pole plate leading truck, solved because Mobile pole plate transmission stroke is long, swinging and sideslip problem usually appears in chain in dragging Mobile pole plate motion process, guaranteed chain and Mobile pole plate when operation, operate steadily, and completely according on the track operation of lower sprocket.
On the basis of technique scheme, can there is following further technical scheme:
A, the 3rd electric field bottom are provided with a pair of driven shaft leading truck, and the driven shaft two ends of every group of Mobile pole plate dust arrester coordinate guiding with the gathering sill in corresponding driven shaft leading truck respectively.
Described driven shaft is that chain rotates tensioning apparatus, bottom power transmission shaft is the bottom that is suspended on chain, in the guiding elongated slot of leading truck, with the automatic up-down adjustment of driving shaft, auto-tensioning chain, and along with wearing and tearing elongation or the thermal expansion of chain, the bottom power transmission shaft tension chain that automatically declines.
Driving shaft one end in b, the 3rd electric field in every group of Mobile pole plate dust arrester, be provided with successively outside drive sprocket and end cap, outside drive sprocket is assemblied on driving shaft by sliding bearing, and end cap is connected by keyway with driving shaft, between outside drive sprocket and end cap, is equipped with shear connector.
Said structure i.e. lugs not, once can guarantee that single chain or sprocket wheel break down, shear pin fracture, drive sprocket can continue rotation by sliding bearing, and under the prerequisite of not stopping, continuation will drive transmission of power to arrive other pole plate rotating mechanism.
The steel wire dust cleaning brush of corresponding matching in c, every group of Mobile pole plate dust arrester, by one group of stainless steel wire, from the bending of middle part, be wound on steel brush axle and axially uniform along steel brush axle, by the steel brush groove that is pressed into closing in grooved, the stainless steel wire that is wound on steel brush shaft portion fixed.
Wire brush bristle to both sides helical arrangement, does not produce lateral thrust in the middle of brush axle in rotary course.Because integral body is compressing, under the effect of fixed strip, bristle difficult drop-off.
The connecting block of cathode frame in d, first, second and third electric field, by whole block material punch forming.Compare with original Welding Structure, from structure, guaranteed that cathode frame antivibration beats fatigue strength and can meet application life requirement.
The present invention adopts the advantage of prime electric field to be, top and side arm sinker the mode of depositing are worked, and has guaranteed the deashing ability of prime electric field, and integral anode plate structure is easy to the transmission of rapping power, and anode floating beam structure is more conducive to the adjustment of erecting bed.This prime electric field is easy to collect the dust that flue gas medium viscosity is moderate, particle is large, more moderate than resistance.
The present invention adopts the advantage of rear class electric field to be, (1), owing to having adopted Mobile pole plate and rotatable wire brush purge mode, makes positive plate all the time in clean state, has thoroughly eliminated ubiquitous back corona phenomenon in conventional deduster.(2) owing to having adopted rotatable wire brush purge mode, thoroughly solved conventional deduster and be difficult to remove this technical barrier of high viscosity dust.(3) owing to having adopted wide die opening structure and Mobile pole plate and rotatable wire brush purge mode, be easy to especially collect than resistance up to 10
12-10
14high resistivity dust.(4) owing to having adopted rotatable wire brush purge mode, and deashing point is located in the interior non-airflow of ash bucket region.Be easy to collect clear
accompanying drawing explanation:
fig. 1 is front view of the present invention;
fig. 2 is of the present inventionmobile pole plate dust arrester structural representation;
fig. 3 is the left view of Fig. 2;
the B portion enlarged drawing of Fig. 4 Fig. 3;
fig. 5 is A-A cutaway view of Fig. 3;
fig. 6 is of the present inventionupper bottom crown guider schematic diagram in Mobile pole plate dust arrester;
fig. 7 is the cutaway view that the invention provides steel wire dust cleaning brush;
fig. 8 is provided by the inventionthe cutaway view of the connecting block of cathode frame.
The specific embodiment:
One, basic structure of the present invention
As shown in Figure 1, Figure 2 and Figure 3, a kind of Mobile pole plate electrostatic precipitator provided by the invention, comprise the first electric field, the second electric field, first and second electric field comprises housing 2, housing 3 left ends are provided with import 1, in the housing 2 of first and second electric field, be respectively equipped with fixed anode plate and cathode line 3, housing 2 is provided with the parts such as top rapping device 5, side arm sinker device 4 and ash bucket 15.Identical due to arranging in first and second electric field, in Fig. 1, only schematically draw the cathode line 3 in the second electric field, top rapping device 5, side arm sinker device 4.
The second electric field right side also connects the 3rd electric field, in the 3rd electric field, be provided with at least one group of Mobile pole plate dust arrester, described one group of Mobile pole plate dust arrester, comprise be arranged on the 3rd electric field top driving shaft 7, be arranged on the driven shaft 10 of the 3rd electric field bottom, driving shaft 7 and driven shaft 14 two ends are connected with respectively sprocket wheel 7a, 10a, on corresponding sprocket wheel 7a, the 10a of every side, connect respectively a chain 11, on the chain 11 of both sides, connect successively one group of Mobile pole plate 8 with certain width., the 3rd electric field top is provided with drive motors, and by input sprocket, drive and be connected in sprocket wheel 7b, the 7c on driving shaft 7, thus the run-in synchronism of the whole Mobile pole plate dust arrester of transmission.
As shown in Figure 1, Figure 2, Figure 3 shows, fixed negative pole line 9 is arranged between each Mobile pole plate by cathode frame connecting block 9a.In the 3rd electric field bottom ash bucket in non-airflow region, the both sides of Mobile pole plate, the steel wire dust cleaning brush 14 that is provided with a pair of opposite direction rotating coordinates with Mobile pole plate, steel wire dust cleaning brush 14 is by dust cleaning brush 13 transmissions that are arranged on the 3rd electric field housing.
On the basis of above-mentioned basic structure, also comprise following innovation structure, below describe respectively.
Two, pole plate driving chain guider
As shown in Figure 6, the both sides of the 3rd every group, electric field Mobile pole plate dust arrester top chain are respectively equipped with top crown leading truck 11a, chain both sides, bottom are provided with bottom crown leading truck 11b.Top crown leading truck 11a in-out end is equipped with horn mouth as can be seen from Figure; Bottom crown leading truck 11b entrance point is provided with horn mouth, and with wire brush 14 corresponding matching of a pair of opposite direction rotating, to prevent that chain and Mobile pole plate from swinging.
Three, automatic chain tensioning device
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5.Be that the 3rd electric field bottom is provided with a pair of driven shaft leading truck 12, driven shaft 10 two ends of every group of Mobile pole plate coordinate guiding with the gathering sill 12a in corresponding driven shaft leading truck respectively.Rely on the gravity auto-tensioning chain of chain and Mobile pole plate, and prevent that tail end from producing swing.
Four, stop-working protection device not
As shown in Fig. 1, Fig. 3 and Fig. 4, driving shaft 7 one end in the 3rd electric field in every group of Mobile pole plate dust arrester, be provided with successively outside drive sprocket 7c and end cap 7e, outside drive sprocket 7c is assemblied on driving shaft 7 by sliding bearing 7f, end cap 7e is connected by keyway with driving shaft, between outside drive sprocket 7c and end cap 7e, is equipped with shear connector 7d.Once can guarantee in one group of Mobile pole plate dust arrester that single chain or sprocket wheel break down, shear pin fracture, drive sprocket can continue to dally by sliding bearing, and the Mobile pole plate dust arrester that does not affect other group remains in operation.
Five, improved wire brush
As shown in Figure 1, Figure 7 shows, the steel wire dust cleaning brush 14 of corresponding matching in every group of Mobile pole plate dust arrester, it is by one group of stainless steel wire 14c, from the bending of middle part, be wound on steel brush axle 14a upper and axially uniform along steel brush axle, by the steel brush groove 14b that is pressed into closing in grooved, the stainless steel wire that is wound on steel brush shaft portion fixed.
Six, cathode frame connecting block
As shown in Fig. 1, Fig. 8, the connecting block 9a of cathode line framework in first, second and third electric field, by whole block material punch forming.
Claims (3)
1. a Mobile pole plate electrostatic precipitator, comprise the first electric field, the second electric field, first, in two electric fields, be respectively equipped with fixed anode plate and cathode line, the second electric field also connects the 3rd electric field, in the 3rd electric field, be provided with at least one group of Mobile pole plate dust arrester, described one group of Mobile pole plate dust arrester, comprise the driving shaft (7) that is arranged on the 3rd electric field top, be arranged on the driven shaft (10) of the 3rd electric field bottom, driving shaft (7) and driven shaft (14) two ends are connected with respectively sprocket wheel, on sprocket wheel corresponding to every side, connect respectively a chain (11), on the chain (11) of both sides, connect successively one group of Mobile pole plate (8) with certain width, fixed negative pole line (9) is arranged between Mobile pole plate, in the 3rd electric field bottom ash bucket in non-airflow region, the both sides of Mobile pole plate, the steel wire dust cleaning brush (14) that is provided with a pair of opposite direction rotating coordinates with Mobile pole plate, the both sides of the 3rd every group, electric field Mobile pole plate dust arrester top chain are respectively equipped with top crown leading truck (11a), chain both sides, bottom are provided with bottom crown leading truck (11b), it is characterized in that: driving shaft (7) one end in the 3rd electric field in every group of Mobile pole plate dust arrester, be provided with successively outside drive sprocket (7c) and end cap (7e), outside drive sprocket (7c) is assemblied on driving shaft (7) by sliding bearing (7f), end cap (7e) is connected by keyway with driving shaft, between outside drive sprocket (7c) and end cap (7e), be equipped with shear connector (7d).
2. a kind of Mobile pole plate electrostatic precipitator according to claim 1, it is characterized in that in the 3rd electric field the steel wire dust cleaning brush (14) of corresponding matching in every group of Mobile pole plate dust arrester, it is by one group of stainless steel wire (14c), from the bending of middle part, be wound on steel brush axle (14a) upper and axially uniform along steel brush axle, by the steel brush groove (14b) that is pressed into closing in grooved, the stainless steel wire that is wound on steel brush shaft portion fixed.
3. a kind of Mobile pole plate electrostatic precipitator according to claim 1, is characterized in that: described in, the connecting block of cathode line framework (9a) in first, second and third electric field, by whole block material punch forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110447354.7A CN102430477B (en) | 2011-12-28 | 2011-12-28 | Electrostatic dust remover with movable electrode plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110447354.7A CN102430477B (en) | 2011-12-28 | 2011-12-28 | Electrostatic dust remover with movable electrode plate |
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| CN102430477A CN102430477A (en) | 2012-05-02 |
| CN102430477B true CN102430477B (en) | 2014-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914343A (en) * | 2017-01-20 | 2017-07-04 | 浙江菲达环保科技股份有限公司 | A kind of dust arrester of control PM2.5 |
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| CN102641785B (en) * | 2012-05-07 | 2014-06-04 | 李志刚 | Intelligent brushing, sweeping and rapping device for high voltage electrostatic precipitator tail electric field |
| CN103071592B (en) * | 2013-01-25 | 2014-02-12 | 浙江菲达环保科技股份有限公司 | Coagulator vortex-producing device capable of movably removing dust |
| CN104353555A (en) * | 2014-10-29 | 2015-02-18 | 王博 | Magnetic guiding device for dust collecting plates of electrode type dust collector |
| CN104368447A (en) * | 2014-10-29 | 2015-02-25 | 王博 | Sweeping and guiding device of dust collecting plates of electric dust precipitator |
| CN104368446A (en) * | 2014-10-29 | 2015-02-25 | 王博 | Guide device for dust collecting plate of electric dust precipitator |
| CN105363556A (en) * | 2015-12-04 | 2016-03-02 | 艾尼科环保技术(安徽)有限公司 | Safety protection device for chain wheels in electric dust remover with moving polar plate |
| CN105840974A (en) * | 2016-05-03 | 2016-08-10 | 艾尼科环保技术(安徽)有限公司 | Oil-filling lubricating device for sliding bearings |
| CN108816519B (en) * | 2018-07-10 | 2023-08-15 | 浙江菲达环保科技股份有限公司 | Electric dust collector for 1300 MW-level ultra-supercritical unit |
| CN108910429A (en) * | 2018-07-20 | 2018-11-30 | 芜湖清柏白露智能信息科技有限公司 | A kind of bearing for screw conveyer sealing device based on Electrostatic Absorption |
| KR102634227B1 (en) * | 2019-01-18 | 2024-02-07 | 한온시스템 주식회사 | Electrification device and electric Dust device having the same |
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| CN101690913A (en) * | 2009-10-16 | 2010-04-07 | 江苏瑞帆环境工程设备有限公司 | Reversible rotary anode type electric dust remover |
| CN202447197U (en) * | 2011-12-28 | 2012-09-26 | 艾尼科环保技术(安徽)有限公司 | Movable pole plate electrostatic precipitator |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH377788A (en) * | 1958-02-21 | 1964-05-31 | Messen Jaschin G A | Electrostatic separator for separating solid and / or liquid particles from a gas flow |
| US4440552A (en) * | 1980-03-06 | 1984-04-03 | Hitachi Plant Engineering & Construction Co., Ltd. | Electrostatic particle precipitator |
| CN101690913A (en) * | 2009-10-16 | 2010-04-07 | 江苏瑞帆环境工程设备有限公司 | Reversible rotary anode type electric dust remover |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914343A (en) * | 2017-01-20 | 2017-07-04 | 浙江菲达环保科技股份有限公司 | A kind of dust arrester of control PM2.5 |
| CN106914343B (en) * | 2017-01-20 | 2018-07-03 | 浙江菲达环保科技股份有限公司 | A kind of dust-extraction unit for controlling PM2.5 |
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| CN102430477A (en) | 2012-05-02 |
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Denomination of invention: Electrostatic dust remover with movable electrode plate Effective date of registration: 20150116 Granted publication date: 20141126 Pledgee: Bengbu hi tech Investment Group Limited Pledgor: Enelco Environmental Technology Co., Ltd. Registration number: 2015990000041 |
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Date of cancellation: 20160607 Granted publication date: 20141126 Pledgee: Bengbu hi tech Investment Group Limited Pledgor: Enelco Environmental Technology Co., Ltd. Registration number: 2015990000041 |
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Denomination of invention: Electrostatic dust remover with movable electrode plate Effective date of registration: 20180326 Granted publication date: 20141126 Pledgee: Inner Mongolia spaceflight Jin Gang Heavy Industry Co., Ltd. Pledgor: Enelco Environmental Technology Co., Ltd. Registration number: 2018990000224 |