CN201644228U - Movable anode electrostatic cleaner with self-regulation fixed soot cleaning brush - Google Patents
Movable anode electrostatic cleaner with self-regulation fixed soot cleaning brush Download PDFInfo
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- CN201644228U CN201644228U CN2009201440944U CN200920144094U CN201644228U CN 201644228 U CN201644228 U CN 201644228U CN 2009201440944 U CN2009201440944 U CN 2009201440944U CN 200920144094 U CN200920144094 U CN 200920144094U CN 201644228 U CN201644228 U CN 201644228U
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- pole plate
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- brush
- positive plate
- deashing
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Abstract
The utility model relates to a movable anode electrostatic cleaner with self-regulation fixed soot cleaning brush, including a housing, a cathode, movable anode plates and a soot cleaning brush mechanism, wherein the cathode is located between the movable anode plates and is arranged parallel to the movable anode plates, the cathode is supported by insulation material and is connected to negative high-voltage DC, the movable anode plates are grounded, the soot cleaning brush mechanism is composed of the movable anode plates, a pole plate drive shaft, pole plate drive sprockets, a driven shaft, a driven sprocket, a plate fixing chain and a fixed soot cleaning brush. Pole plate drive sprockets with identical phase are provided at both ends of the pole plate drive shaft, a speed reducing motor outside the main body drives a drive shaft by a pin dial coupling, and other drive shafts are rotated by driving of outer drive chains and outer drive sprockets. The soot cleaning brushes are mounted above the driven shaft and located at both sides of the movable anode plates. The utility model has simple structure, easy manufacturing and mounting, small maintenance amount, few power transmission links, long service life, good dust removing effect, and capability of realizing large-scale production.
Description
Technical field
The utility model profit relates to a kind of electrostatic precipitator, is a kind of with the fixing movable anode electrostatic precipitator of deashing brush of self-regulation specifically.
Background technology
Electrostatic precipitator technology starts from earlier 1900s, T﹠B.Be widely used in industries such as thermal power plant, metallurgy, cement.China is that typical coal type pollutes state, and smoke contamination is one of great environmental issue.
Vertical, horizontal two big classes that electrostatic precipitator is divided into.The horizontal deduster of the many employings of large-scale electrostatic precipitator.The shell of horizontal deduster is called housing, housing is born negative pressure, housing is equipped with cathode and anode, anode arranged plate is separated by equal, discharge plume (cathode line) is installed between the anode arranged plate, and the distance of positive plate and cathode line is the opposite pole spacing, and one group of cathode and anode system of being powered by a rectifier transformer is called an electric field, according to the required different ash-laden gas scale of constructions, pole plate number, the pole plate area of choose reasonable electric field number and each electric field.In order to remove the dust on positive plate and the cathode line, electric cleaner has been installed corresponding deashing mechanism.The most of rapping mode that adopts of deashing mechanism has two kinds of side rapping and top rappings, for desirable ash-removal effect is arranged, selects vibrator quantity, rapping power, vibration acceleration that further investigation is all arranged.The dust that rapping is removed directly falls into ash bucket, delivers to the appointed place by ash conveying device.
The principal character of conventional electrostatic deduster is: 1. positive plate is fixed, and 2. purge mode is a vibration dust-cleaning.Fixing anode plate design, make comparatively conveniently, fault is less in the use, but the vibration dust-cleaning effect is relatively poor.When dust stratification thickness was big, power supply situation worsened, and causes corona current to reduce, and causes the charged deficiency of dust in flue gas, and the anode dust collecting effect descends, and long-term rapping also can make the vibrated system mechanical breakdown increase, and the pole plate connecting hole is torn, and forms vicious circle.
HIT has developed the swinging electrostatic precipitator technology in 1979, positive plate is contained on the anode driving-chain, is driven by drive sprocket, and low speed moves downwards, under the electric field force effect, and electronegative dust grain trend anode.And deposition is on positive plate, and at the wire brush of a pair of switched in opposite of arranged beneath of collecting plate, when positive plate during by rotating brush, the dust of plate two sides deposition is brushed away, and directly falls into ash bucket.Clean positive plate moves up after by 180 ° of upsets of anode chain driven transmission sprocket wheel, enters accumulation area once more and continues to collect dust.The feature of this technology is as follows: 1. can efficiently collect high resistivity dust; 2. save the space, the electric field of a moving anode is equivalent to 1.5～3 fixed polar plate effect of electric field; 3. save the energy, under the same terms, the electrical power of consumption only is 1/2 to 2/3 of a fixed polar plate; 4. control of dust is in extensive range, is applicable to coal-burning boiler, C0 burning boiler, steel ingot incinerator, mud incinerator, glass furnace and complete set of cement equipment etc.; 5. adopt the stainless steel rotating brush, ash-removal effect is good, no reentrainment of dust; 6. move flue-gas temperature and can reach 350 ℃.But still there are the following problems for this technology: 1. each rotating brush axle all passes housing and is driven the increase of operational failure probability, the shortcoming that equipment leaks out and increases by outside transmission; 2. rotating brush axle two supports is on sliding bearing, and the nonconcentricity of axis hole causes the bearing premature wear; Need the artificial elasticity that bristle contacts with pole plate of adjusting when 3. rotating brush is installed, make bristle all can be close to the positive plate surface, differ, cause very fast, the part bristle deashing deficiency of partial rotation bristle wearing and tearing easily if the rotating brush bristle contacts tightness with pole plate; 4. after the equipment operation, bristle is easy to wear, and by manually regulating outside housing, regulated quantity is wayward; 5. the transmission of power link of drive unit is too much, and operational reliability reduces; 6. rotating brush is relatively poor at old cleaner reform adaptability, and the retrofit work amount is big, the cost height.
Summary of the invention
At the defective of above-mentioned rotating brush technology, the purpose of this utility model aims to provide a kind of with the fixing movable anode electrostatic precipitator of deashing brush of self-regulation.
The purpose of this utility model is achieved through the following technical solutions:
A kind of with the fixing movable anode electrostatic precipitator of deashing brush of self-regulation, mainly comprise housing, negative electrode, movable positive plate and deashing mechanism.Negative electrode and is arranged in parallel with movable positive plate between movable positive plate.Negative electrode is supported by insulating materials, and the negative high voltage direct current connects, movable positive plate ground connection.Deashing mechanism by movable positive plate, pole plate driving shaft, pole plate drive sprocket, driven shaft, driven sprocket and pole plate fixedly chain and deashing brush constitute.The pole plate both ends of main drive shaft is equipped with the pole plate drive sprocket of same phase, and the reducing motor of body exterior drives a pole plate driving shaft by the finger shaft coupling, drives other pole plate driving shafts by outside driving chain and outside drive sprocket simultaneously and rotates.The deashing brush is installed in the driven shaft top, is positioned at movable positive plate both sides, is fixed on the brush holder.
Above-mentioned deashing brush is stainless steel wire brush, bristle diameter Ф 0.1～0.2mm, steel wire length 60～90mm; The deashing brush has 4 °～6 ° rotation space on brush holder.
Above-mentioned movable positive plate width is 300mm.
The beneficial effect of advantage of the present utility model and generation is:
1. the utility model anode is movable positive plate.Movable positive plate adopts hollow square tube lead frame structure, sheet metal covering and square tube lead frame make it to become one with the method that riveted joint adds spot welding, guarantee that movable positive plate has enough rigidity and intensity, also have advantage in light weight, that surfacing is bright and clean simultaneously.Secondly, the monolithic plate width of movable positive plate is 300mm, during the pole plate upset radius of gyration little, occupy little space, can increase the useful space.Pole plate length is value (deciding with project situation) arbitrarily.
2. the utility model deashing brush mechanism is installed in deduster inside, compact conformation.Compare with the rotating brush technology of Hitachi, Ltd, do not had the outside transmission mechanism of deashing brush, eliminated leaking out a little that the fault that causes because of transmission mechanism and transmission mechanism cause.Simultaneously, in identical space, the utility model can be arranged more positive plate area, and therefore, the utility model can be obtained higher efficiency of dust collection than rotating brush technology.
3. the utility model pole plate movable axis adopts the finger shaft coupling, by outside drive sprocket and outside driving chain transferring power, has reduced transmission link, reduce the fault rate in the power transmission process, the power-equipment demolition, installation are convenient, reduced installation difficulty, are convenient to safeguard and maintenance.The finger shaft coupling has also reduced the power transmission link, and a reducing motor can drive the movable positive plate of many groups simultaneously.Improve the reliability of operation, prolonged service life of equipment.
4. the angle that deashing is brushed can be regulated automatically by self gravitation in the gap between deashing brush and the brush holder, and bristle is close on the movable positive plate all the time, need not artificial the adjustment and makes steel brush be adjacent to pole plate.Prolonged the life-span of steel brush, cut down the consumption of energy, except the maintenance work of steel brush.Adopt the deashing brush to reduce cost.Compare with rotating brush, deashing brush (comprising accessory) cost is about 15% of a rotating brush, has good economic benefit.
5. the movable anode electrostatic precipitator that the utility model proposes can satisfy the emission request of country to dust with less investment (comparing with the traditional electrical deduster), can realize the production of mould modelling.
Description of drawings
Fig. 1 is the utility model front view.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is that ash-laden gas is by negative electrode and the extremely positive electric field schematic diagram of forming.
Fig. 4 is Fig. 1 pole plate transmission shaft structure schematic diagram.
Fig. 5 is Fig. 1 plate group chain drive structure schematic diagram.
Fig. 6 is fixedly brush holder, movable positive plate, deashing brush configuration schematic diagram.
Fig. 7 is deashing brush configuration figure.
Fig. 8 is deashing brush side view.
Fig. 9 is Fig. 1 deduster reducing motor output syndeton schematic diagram.
In the accompanying drawing, 1. housing 2. discharge electrodes (negative electrode); 3 movable positive plates; 4. pole plate drive sprocket; 5. outside drive sprocket; 6. finger shaft coupling; 7. reducing motor; 8. the fixing chain of pole plate; 9. deashing is brushed; 10. driven sprocket; 11. bearing.12. pole plate driving shaft; 13. driven shaft; 14 outside driving chains.
The specific embodiment
Below, in conjunction with the accompanying drawings utility model is described further again:
As shown in Figure 1, 2, a kind of with the fixing movable anode electrostatic precipitator of deashing brush of self-regulation, mainly include housing (1), discharge electrode (negative electrode) (2), movable positive plate (3) and deashing mechanism, negative electrode (2) is positioned between the movable positive plate (3), and be arranged in parallel with movable positive plate (3), negative electrode (2) is supported by insulating materials, and the negative high voltage direct current connects, movable positive plate (3) ground connection.
The super-pressure silicon rectifying transformer of 72～100KV supplies direct current to negative electrode 2, anode 3 ground connection, form electrostatic field between cathode and anode, cathode line produces corona phenomenon, when ash-laden gas passes through the electric field of negative electrode 2 and extremely positive 3 compositions, near the corona phenomenon that produces the negative electrode 2 makes the dust in the dusty gas charged, charged dust drive under the effect of electric field force to and deposition on different in nature electrode, because the quantity of anion is far away more than cation in the electric field, therefore the electronegative dust of the overwhelming majority all deposition on positive plate.
Fixedly chain 8 and deashing are brushed 9 and are constituted (see figure 3) by positive plate 3, bearing 11, pole plate driving shaft 12, outside drive sprocket 5, driven shaft 13, driven sprocket 10, plate in deashing brush mechanism.Movable positive plate 3 width of monolithic are 300mm.The pole plate drive sprocket 4 of same phase is equipped with at pole plate driving shaft 12 two ends.The reducing motor 7 of body exterior drives pole plate driving shaft 12 (see figure 8)s by finger shaft coupling 6, driving other pole plate driving shafts 12 by outside driving chain 14 and outside drive sprocket 5 simultaneously rotates, pole plate driving shaft 12 rotating band movable plate electrode drive sprockets 4 rotate and make pole plate fixedly chain 8 and positive plate 3 are done low-speed rectilinear movement, when positive plate 3 moved to driving and driven sprocket wheel place, positive plate 3 was done 180 ° of upsets.
Movable positive plate 3 is to do up-and-down movement by the reductor 7 of outside by sprocket wheel, chain drive pole plate, and a reductor 7 drives many group anode drive sprocket (see figure 5)s.
Deashing brush 9 in the deashing device is stainless steel wire brush, bristle diameter Ф 0.15mm, steel wire length 75mm (see figure 7); Be installed in 800mm place, driven shaft 13 top, be positioned at movable positive plate (3) both sides, be fixed on the brush holder do not move (seeing Fig. 2, Fig. 6).A pair of deashing brush leans in the two sides of movable positive plate 3, and 5 ° rotation space is arranged on brush holder.During through the both sides wire brush, the dust of deposition is brushed away on the movable positive plate 3, falls into ash bucket after 180 ° of movable positive plate 3 upsets enter straight-line trajectory.The movable positive plate 3 of outwash continues to move upward and reenters electric field and collect dust.Cyclic dust collecting so repeatedly.If the bristle wearing and tearing, the gap between wire brush and the brush holder can rely on self gravitation to regulate automatically, bristle is leaned to and be close to 3 of movable positive plates to go up (see figure 6).
Claims (3)
1. one kind with the fixing movable anode electrostatic precipitator of deashing brush of self-regulation, mainly comprise housing (1), negative electrode (2), movable positive plate (3) and deashing mechanism, negative electrode (2) is positioned between the movable positive plate (3), and be arranged in parallel with movable positive plate (3), negative electrode (2) is supported by insulating materials, the negative high voltage direct current connects, movable positive plate (3) ground connection, deashing brush mechanism is by movable positive plate (3), pole plate driving shaft (12), pole plate drive sprocket (5), driven shaft (13), driven sprocket (10), pole plate is chain (8) and deashing brush (9) formation fixedly, the pole plate drive sprocket (4) of same phase is equipped with at pole plate driving shaft (12) two ends, the reducing motor of body exterior (7) drives a pole plate driving shaft (12) by finger shaft coupling (6), driving other pole plate driving shafts (12) by outside driving chain (14) and outside drive sprocket (5) simultaneously rotates, it is characterized in that deashing brush (9) is installed in driven shaft (13) top, be positioned at movable positive plate (3) both sides, be fixed on the brush holder.
2. according to claim 1 a kind of with the fixing electrostatic precipitator of the movable anode of deashing brush of self-regulation, it is characterized in that above-mentioned deashing brush (9) brushes bristle diameter Φ 0.1～0.2mm, steel wire length 60～90mm for stainless steel wire; Deashing brush (9) has 4 °～6 ° rotation space on brush holder.
3. band self-regulation according to claim 1 is the electrostatic precipitator of the movable anode of deashing brush fixedly, it is characterized in that the movable positive plate of monolithic (3) width is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201440944U CN201644228U (en) | 2009-09-30 | 2009-09-30 | Movable anode electrostatic cleaner with self-regulation fixed soot cleaning brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201440944U CN201644228U (en) | 2009-09-30 | 2009-09-30 | Movable anode electrostatic cleaner with self-regulation fixed soot cleaning brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201644228U true CN201644228U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201440944U Expired - Fee Related CN201644228U (en) | 2009-09-30 | 2009-09-30 | Movable anode electrostatic cleaner with self-regulation fixed soot cleaning brush |
Country Status (1)
| Country | Link |
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| CN (1) | CN201644228U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302979A (en) * | 2011-08-12 | 2012-01-04 | 杭州天明环保工程有限公司 | Electrostatic dust collector |
| CN103071592A (en) * | 2013-01-25 | 2013-05-01 | 浙江菲达环保科技股份有限公司 | Coagulator vortex-producing device capable of movably removing dust |
| CN105080726A (en) * | 2015-09-01 | 2015-11-25 | 厦门理工学院 | Movable electrode dust removal device and dust removal method |
| CN105289846A (en) * | 2015-11-14 | 2016-02-03 | 卢智慧 | Intelligent cleaning-free high-voltage electrolysis cooking fume exhaust purifying device |
| CN106733199A (en) * | 2016-12-07 | 2017-05-31 | 爱康森德（深圳）空气技术有限公司 | Electrostatic precipitator |
-
2009
- 2009-09-30 CN CN2009201440944U patent/CN201644228U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302979A (en) * | 2011-08-12 | 2012-01-04 | 杭州天明环保工程有限公司 | Electrostatic dust collector |
| CN103071592A (en) * | 2013-01-25 | 2013-05-01 | 浙江菲达环保科技股份有限公司 | Coagulator vortex-producing device capable of movably removing dust |
| 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 |
| CN105080726A (en) * | 2015-09-01 | 2015-11-25 | 厦门理工学院 | Movable electrode dust removal device and dust removal method |
| CN105289846A (en) * | 2015-11-14 | 2016-02-03 | 卢智慧 | Intelligent cleaning-free high-voltage electrolysis cooking fume exhaust purifying device |
| CN106733199A (en) * | 2016-12-07 | 2017-05-31 | 爱康森德（深圳）空气技术有限公司 | Electrostatic precipitator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20101124 Termination date: 20160930 |