CN1939594A - Movable electrode of movable electrode type electric dust collector - Google Patents
Movable electrode of movable electrode type electric dust collector Download PDFInfo
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- CN1939594A CN1939594A CN 200610006008 CN200610006008A CN1939594A CN 1939594 A CN1939594 A CN 1939594A CN 200610006008 CN200610006008 CN 200610006008 CN 200610006008 A CN200610006008 A CN 200610006008A CN 1939594 A CN1939594 A CN 1939594A
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- 239000000428 dust Substances 0.000 title claims abstract description 142
- 239000000725 suspension Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention aims to provide a movable electrode of a movable electrode type electric dust collector, which can increase the length of a dust collecting pole plate, is beneficial to simplifying the structure of the device and reducing the cost. A movable electrode (18) of a movable electrode type electric dust collector comprises a pair of driving wheels (20), a pair of driven rollers (22), a pair of endless chains (24) stretched between the driving wheels and the driven rollers, and a dust collecting electrode plate (26) suspended on the pair of endless chains (24), wherein the dust collecting electrode plate (26) rotates around a discharge electrode, wherein a 1 st auxiliary roller (32) is additionally arranged at the middle position of a rotating shaft (30) connected with the pair of driving wheels (20), and a 2 nd auxiliary roller (36) is additionally arranged at the middle position of a rotating shaft (34) connected with the pair of driven rollers (22). Permanent magnets are installed on the outer circumference of the 2 nd auxiliary roller.
Description
Technical field
The present invention relates to a kind of electrode structure of mobile electrode type electric dust collector, especially relate to a kind of traveling electrode that makes a plurality of control of dust pole plates of suspension on annular restis (No end rope bar body) rotate the mobile electrode type electric dust collector that moves around discharge electrode.
Background technology
For the boiler exhaust of removing heat power station or the dust in the various stove exhaust, use and open disclosed mobile electrode type electric dust collector in the 2001-246284 communique just like the spy.Fig. 4 is the stereogram of schematic construction that is used for the traveling electrode of this mobile electrode type electric dust collector.Being disposed at a pair of drive sprocket on top (sprocket wheel) 1 and being disposed between a pair of driven voller 2 of bottom,, rotatably open and establish a pair of ring chain 3,3 as annular restis.Rectangle control of dust pole plate 4 is linked by the pars intermedia 5 of its lateral margin and is installed between a pair of ring chain 3,3, along chain rotate direction be equipped with arranging a plurality of control of dust pole plates 4,4 ...The axle 6 of drive sprocket 1 is by not shown driving mechanism rotation, this rotation of 6 is passed to a pair of ring chain 3,3 that is engaged on the drive sprocket 1, form on the whole loop a plurality of control of dust pole plates 4,4 ... rotate mobile around not shown discharge electrode.
Fig. 5 is the allocation plan of traveling electrode 10 bottoms, and the control of dust pole plate 4 that suspension also descends on ring chain 3 turns at the position of driven voller 2 U-shaped, transfers rising to.On the position of the control of dust pole plate 4 that this has just risen in clamping, go up configuration rotary brush 7 in the path of each traveling electrode 10 (lane).Above rotary brush 7, set discharge electrode 8.During transversely the moving along the vertical direction of discharge electrode 8, the dust in the exhaust is owing to from the corona discharge of discharge electrode 8 and charged, become trapped in the surface of each control of dust pole plate 4 at control of dust pole plate 4,4.When each control of dust pole plate 4 when disposing the position of rotary brush 7, be attached to control of dust pole plate 4 lip-deep dusts and be rotated brush 7 and peel off, remove.
Promptly, in this mobile electrode type electric dust collector, below operation is repeated to carry out: during each control of dust pole plate 4 moves in the control of dust space above discharge electrode 8 is existing, dust become trapped in the surface of each control of dust pole plate 4, this control of dust pole plate 4 descends and turns at the position of driven voller 2 U-shaped, transfer to when rising, peel off, remove and be attached to control of dust pole plate 4 lip-deep dusts by rotary brush 7.According to this structure, when control of dust pole plate 4 passes through rotary brush 7, be attached to control of dust pole plate 4 lip-deep dusts and all positively be removed, the cleannes on control of dust pole plate 4 surfaces are recovered.Therefore, can keep very thinly all the time with being captured and being piled up in control of dust pole plate 4 lip-deep staubosphere thickness.
The influence of the resistivity of the dust that the dust collecting performance of electric dust collector is trapped is big.Especially the resistivity of dust is up to 10
12When Ω cm is above, if being piled up in the lip-deep staubosphere thickness of control of dust pole plate reaches more than the setting, contrary ionization phenomena can take place then, dust collecting performance sharply descends.The mobile electrode type electric dust collector is owing to keeping very thinly all the time with being captured and being piled up in control of dust pole plate 4 lip-deep staubosphere thickness as mentioned above, so be difficult to take place contrary ionization phenomena.Therefore, this mobile electrode type electric dust collector is mainly used in the exhaust that comprises the high impedance dust.
In traveling electrode 10, as shown in Figure 4, comprise of the direction inflow of the processed gas of dust, to be parallel to the flow direction of control of dust pole plate 4, by traveling electrode 10 from arrow A.In the traveling electrode 10, the processing gas that dust is removed and purifies is discharged to the direction of arrow B.Holdup time when dust collection efficiency depends on processed gas to a great extent by traveling electrode 10 regional.If the holdup time of processed gas is short, then dust collection efficiency is low, and is long as if the holdup time of processed gas, then the dust collection efficiency height.
The flow velocity of processed gas is under constant situation, and among the figure, the width of the traveling electrode 10 shown in the size L is big more, and then the holdup time of processed gas is long more.Therefore, in order to improve dust collection efficiency, get final product as long as increase the width (in other words, the length of control of dust pole plate 4) of traveling electrode 10 as far as possible.
But,, then produce the problem in the practicality if excessively increase the width of traveling electrode 10.Fig. 6 is the pattern side view that is used to illustrate the traveling electrode 10 of this problem points.That is,, need make 4 lightweights of control of dust pole plate, in addition,, need as far as possible the control of dust pole plate is made thin sheet form for the clean effect of the brush that makes rotary brush 7 is effective in order to reduce cost.Therefore, if excessively increase the length of this thin control of dust pole plate 4, then as shown in Figure 6, when control of dust pole plate 4 drive sprocket 1 or the position U-shaped of the driven voller 2 of below when turning to up, have the control of dust pole plate 4A that is in level, the problem that 4B crosses macrobending.If crooked the change greatly then produces big bending stress to pole plate self, produce plastic deformation.If this plastic deformation becomes big gradually, then coupling part 5 is also produced harmful effect, and develop into, control of dust pole plate 4 comes off from ring chain 3, or the ring chain 3 and the engagement of drive sprocket 1 are not matched, cause running to have some setbacks, simultaneously, with the variation of the spacing distance of discharge electrode, the state of affairs of bringing out spark.
Therefore, in existing mobile electrode type electric dust collector, as the method that improves dust collection efficiency, adopt as shown in Figure 7, the traveling electrode 10 of blocking structure along the traveling electrode 10B of the traveling electrode 10A that is configured to leading portion of processed gas flow direction, multistage and back segment.But this structure makes apparatus structure become complicated, causes cost to rise.
Summary of the invention
The objective of the invention is to improve the shortcoming of above-mentioned prior art, the length that can increase the control of dust pole plate is provided, help the traveling electrode of simplification device structure and a kind of mobile electrode type electric dust collector that reduces cost.
To achieve these goals, the traveling electrode of mobile electrode type electric dust collector of the present invention, it is the control of dust pole plate that rotates around discharge electrode that is equipped with in the electric dust collector, it is characterized in that: on the path that rotates of control of dust pole plate, be provided with the inner surface of the control of dust pole plate that rotates and rotate the help roll that contacts.At this moment, as long as described help roll is configured on the inversion section of the direction that rotates.
In addition, the traveling electrode of mobile electrode type electric dust collector of the present invention, has the pair of driving wheels that is configured in the top, be configured in a pair of driven voller of below, open a pair of annular restis that is located between described driving wheel and the driven voller, with a plurality of control of dust pole plates of suspension on described a pair of annular restis, described a plurality of control of dust pole plate rotates around discharge electrode and moves, it is characterized in that: in the centre position of the rotating shaft that links described pair of driving wheels, set up the 1st help roll of the described control of dust plate buckling in suppressing to move, in the centre position of the rotating shaft that links described a pair of driven voller, set up the 2nd help roll of the described control of dust plate buckling in suppressing to move.In addition, the extensive interpretation as far as possible of described annular restis comprises ring chain and annular metal cord.
Above-mentioned traveling electrode can form the structure that permanent magnet is housed in the periphery of described the 2nd help roll.In addition, above-mentioned traveling electrode can form between described the 1st help roll and the 2nd help roll to open establishes annular restis, and the central portion of described a plurality of control of dust pole plates is linked to structure on the corresponding annular restis respectively.And its structure can be that described annular restis is that chain, driving wheel are the drive sprockets that is engaged on the described chain.Perhaps, as cable wire, described annular restis expectation is for twisting with the fingers the strand Cable Structure.And its structure also can be that the 1st, the 2nd help roll is configured on the position of pole plate middle position.In addition, at least one side of the 1st, the 2nd help roll is configured in along on the plural position of the length direction of pole plate 4.
The 1st help roll among the present invention or the 2nd help roll turn to and when becoming level, support the weight of control of dust pole plate at control of dust pole plate U-shaped on the position of driving wheel or driven voller, suppress its bending.Therefore,, can increase the length of control of dust pole plate, help the simplification device structure and reduce cost according to the traveling electrode of the mobile electrode type electric dust collector of present embodiment.
Description of drawings
Fig. 1 is the pattern stereogram of the 1st embodiment of expression traveling electrode of the present invention;
Fig. 2 is the front elevation of primary structure that expression has the mobile electrode type electric dust collector of traveling electrode of the present invention;
Fig. 3 is the pattern stereogram of the 2nd embodiment of expression traveling electrode of the present invention;
Fig. 4 is the stereogram of schematic construction of the traveling electrode of expression prior art;
Fig. 5 is the bottom allocation plan of the traveling electrode of expression prior art;
Fig. 6 is the pattern side view of problem points that is used to illustrate the traveling electrode of prior art;
Fig. 7 is the routine stereogram of configuration of the traveling electrode of expression prior art.
The specific embodiment
Fig. 1 is the pattern stereogram of the 1st embodiment of the traveling electrode of expression mobile electrode type electric dust collector of the present invention.In the pair of driving wheels 20 that is disposed at top and be disposed between a pair of driven voller 22 of bottom,, rotatably open and be provided with a pair of ring chain 24,24 as annular restis.A plurality of control of dust pole plates 26,26 ... only be suspended on a pair of annular metal cord 24,24 by centre position and sprung parts 28 cards at its width.In addition, among Fig. 1, for convenience of description, most of control of dust pole plate 26 is omitted diagram.
Pair of driving wheels 20 is linked by rotating shaft 30.In the centre position of rotating shaft 30, the 1st help roll 32 is installed.The 1st help roll 32 forms the size with driving wheel 20 basic identical diameters.A pair of driven voller 22 is linked by rotating shaft 34, and the 2nd help roll 36 is installed in the centre position of rotating shaft 34.The 2nd help roll 36 forms the size with driven voller 22 basic identical diameters.Periphery at the 2nd help roll 36 is equipped with permanent magnet 37.
End binding at rotating shaft 30 has not shown driving mechanism, utilizes this driving mechanism to make rotating shaft 30 rotations, driving wheel 20,20 and the rotation of the 1st help roll 32 one.The rotation of driving wheel 20,20 is passed to a pair of ring chain 24,24, forms a plurality of control of dust pole plates 26,26 of loop on the whole ... rotate mobile around not shown discharge electrode.
Fig. 2 is the front elevation of primary structure of the mobile electrode type electric dust collector of the traveling electrode 18 of expression with said structure.In the control of dust space, dispose a plurality of discharge electrodes 38 side by side with predetermined distance, these discharge electrodes 38 are surrounded a plurality of traveling electrodes 18 of ground configuration every one.The control of dust pole plate 26 that suspension also descends on ring chain 24, U-shaped turns in the position of driven voller 22, transfers rising to.On the position of the control of dust pole plate 26 that this has just risen in clamping, configuration rotary brush 40 on the path of each traveling electrode 18.
The processed gas that comprises the high impedance dust flows along the direction perpendicular to paper.In the control of dust space of control of dust pole plate 26,26 above rotary brush 40, during transversely the moving along the vertical direction of discharge electrode 38, the dust in processed is owing to from the corona discharge of discharge electrode 38 and charged, become trapped in the surface of each control of dust pole plate 26.When each control of dust pole plate 26 when disposing the position of rotary brush 40, be attached to control of dust pole plate 26 lip-deep dusts and be rotated brush 40 and peel off, remove.
Promptly, in this mobile electrode type electric dust collector, below operation is repeated to carry out: during each control of dust pole plate 26 moves in the control of dust space above discharge electrode 38 existence, dust become trapped in the surface of each control of dust pole plate 26, this control of dust pole plate 26 descends and turns at the position of driven voller 22 U-shaped, transfer to after the rising, peel off, remove and be attached to control of dust pole plate 26 lip-deep dusts by rotary brush 40.
Control of dust pole plate 26 rises and turns at the position of driving wheel 20 U-shaped, transfers to when descending, and in it moved, as shown in Figure 1, control of dust pole plate 26 became level.Therefore, control of dust pole plate 26A is tending towards crooked.But,, have the 1st help roll 32 according to the traveling electrode of present embodiment.The 1st help roll 32 rotates contiguously with the following of control of dust pole plate 26 all the time, supports the weight of control of dust pole plate 26A, so suppress the bending of control of dust pole plate 26A.
Control of dust pole plate 26 descends and turns at the position of driven voller 22 U-shaped, transfers to when rising, and becomes level in it moves.Therefore, control of dust pole plate 26B is tending towards crooked.But, according to the traveling electrode of present embodiment, in this position, there is the periphery of the 2nd help roll 36, the 2 help rolls 36, permanent magnet 37 is housed.In addition, control of dust pole plate 26 is by magnetic material structures such as carbon steel plates.Therefore, the central portion of control of dust pole plate 26B suppresses crooked by the periphery of suitable magnetic attraction to the 2 help rolls 36 of permanent magnet 37.
But, need the magnetic force of permanent magnet 37 is carried out deep discussion.If magnetic force is too small, then can not get the sucking action of expecting.In addition, if magnetic force is excessive, then the shift action of control of dust pole plate 26B when the position of driven voller 22 U-shaped turns to can not carry out smoothly.
As mentioned above, in the traveling electrode 18 of present embodiment, the 1st help roll 32 turns to and when becoming level, supports the weight of control of dust pole plate 26 in the position of driving wheel 20 U-shaped at control of dust pole plate 26A, suppresses its bending.In addition, the 2nd help roll 36 when the position of driven voller 22 U-shaped turns to and becomes level, utilizes magnetic attraction control of dust pole plate 26B at control of dust pole plate 26B, suppresses its bending.Therefore,, can increase the length of control of dust pole plate 26, help the simplification device structure and reduce cost according to the traveling electrode 18 of the mobile electrode type electric dust collector of present embodiment.
Fig. 3 is the pattern stereogram of the 2nd embodiment of the traveling electrode of expression mobile electrode type electric dust collector of the present invention.Among Fig. 3, the key element of additional and Fig. 1 same-sign, have with described the 1st embodiment in the key element identical functions that illustrates, omit its explanation.Among the traveling electrode 18A of the 2nd embodiment, set up the 1st help roll 42 respectively in the centre position of rotating shaft 30, set up the 2nd help roll 44 in the centre position of rotating shaft 34.Between the 1st help roll 42 and the 2nd help roll 44, open and be provided with annular metal cord 46.Utilize binding parts 48 that the central portion of each control of dust pole plate 26 is linked on this annular metal cord 46.Therefore, each control of dust pole plate 26 is supported on the ring chain 24,24 at the both ends of length direction, central portion is bonded parts 48 and is supported under the state on the annular metal cord 46 and moves by sprung parts 28.So, even if turn to and when becoming level, also can suppress crooked stable moving at the position U-shaped of driving wheel 20 or driven voller 22.Therefore,, can increase the length of control of dust pole plate 26, help the simplification device structure and reduce cost according to the traveling electrode 18A of the mobile electrode type electric dust collector of present embodiment.
In described each embodiment, shown in the position that is equivalent to control of dust pole plate 26 centers only the 1st help roll or the 2nd help roll to be disposed at a situation on the position.But, the invention is not restricted to this, also can be with control of dust pole plate 26 roughly on the position of five equilibrium, with two of the 1st help roll or the configurations of the 2nd help roll more than the position.
Claims (9)
1, a kind of traveling electrode of electric dust collector, it is the control of dust pole plate that rotates around discharge electrode that is equipped with in the electric dust collector, it is characterized in that: on the path that rotates of control of dust pole plate, be provided with the inner surface of the control of dust pole plate that rotates and rotate the help roll that contacts.
2, the traveling electrode of electric dust collector according to claim 1 is characterized in that:
Described help roll is configured on the inversion section of the direction that rotates.
3, a kind of traveling electrode of mobile electrode type electric dust collector, have the pair of driving wheels, a pair of driven voller that is configured in the below that are configured in the top, open a pair of annular restis and a plurality of control of dust pole plates of suspension on described a pair of annular restis be located between described driving wheel and the driven voller, described a plurality of control of dust pole plate rotates around discharge electrode and moves, and it is characterized in that:
In the centre position that links described pair of driving wheels rotating shaft, set up the 1st help roll of the described control of dust plate buckling in suppressing to move, in the centre position that links described a pair of driven voller rotating shaft, set up the 2nd help roll of the described control of dust plate buckling in suppressing to move.
4, the traveling electrode of mobile electrode type electric dust collector according to claim 3 is characterized in that:
Periphery at described the 2nd help roll is equipped with permanent magnet.
5, the traveling electrode of mobile electrode type electric dust collector according to claim 3 is characterized in that:
Between described the 1st help roll and the 2nd help roll, open and to establish annular restis, the central portion of described a plurality of control of dust pole plates is linked with described annular restis respectively.
6, the traveling electrode of mobile electrode type electric dust collector according to claim 3 is characterized in that:
Described annular restis is a chain, and driving wheel is the sprocket wheel that is engaged on the described chain.
7, the traveling electrode of mobile electrode type electric dust collector according to claim 3 is characterized in that:
Described annular restis is a cable wire.
8, the traveling electrode of mobile electrode type electric dust collector according to claim 3 is characterized in that:
1st, the 2nd help roll is configured on the position of pole plate middle position.
9, the traveling electrode of mobile electrode type electric dust collector according to claim 3 is characterized in that:
1st, at least one side of the 2nd help roll is configured in along on the plural position of the length direction of pole plate 4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP287456/05 | 2005-09-30 | ||
| JP2005287456 | 2005-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1939594A true CN1939594A (en) | 2007-04-04 |
| CN100586577C CN100586577C (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610006008 Active CN100586577C (en) | 2005-09-30 | 2006-01-23 | Movable electrode of movable electrode type electric dust collector |
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| Country | Link |
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| CN (1) | CN100586577C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537390B (en) * | 2009-03-20 | 2012-06-06 | 浙江菲达环保科技股份有限公司 | Rotating anode electrostatic precipitator |
| CN102728467A (en) * | 2012-06-29 | 2012-10-17 | 江保祥 | Differential movable type transverse electrode electrostatic precipitator |
| CN103406207A (en) * | 2013-08-23 | 2013-11-27 | 山东大学 | Wet type static solid strip-shaped anode dust collecting plate |
| CN108031556A (en) * | 2018-01-10 | 2018-05-15 | 厦门绿洋环境技术股份有限公司 | One kind rotation pole plate electric dust collector and electric precipitator |
| CN108097467A (en) * | 2018-02-02 | 2018-06-01 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of cathode carrier of electrostatic precipitator |
| CN108246509A (en) * | 2018-02-02 | 2018-07-06 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of cathode carrier for electrostatic precipitator |
| CN111774181A (en) * | 2020-07-14 | 2020-10-16 | 珠海格力电器股份有限公司 | Dust collecting device and air purifier |
| CN116481117A (en) * | 2023-06-21 | 2023-07-25 | 山西建康家园科技有限公司 | Intelligent air purification and disinfection device |
-
2006
- 2006-01-23 CN CN 200610006008 patent/CN100586577C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537390B (en) * | 2009-03-20 | 2012-06-06 | 浙江菲达环保科技股份有限公司 | Rotating anode electrostatic precipitator |
| CN102728467A (en) * | 2012-06-29 | 2012-10-17 | 江保祥 | Differential movable type transverse electrode electrostatic precipitator |
| CN103406207A (en) * | 2013-08-23 | 2013-11-27 | 山东大学 | Wet type static solid strip-shaped anode dust collecting plate |
| CN108031556A (en) * | 2018-01-10 | 2018-05-15 | 厦门绿洋环境技术股份有限公司 | One kind rotation pole plate electric dust collector and electric precipitator |
| CN108097467A (en) * | 2018-02-02 | 2018-06-01 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of cathode carrier of electrostatic precipitator |
| CN108246509A (en) * | 2018-02-02 | 2018-07-06 | 佛山市高明区杨和金属材料专业镇技术创新中心 | A kind of cathode carrier for electrostatic precipitator |
| CN111774181A (en) * | 2020-07-14 | 2020-10-16 | 珠海格力电器股份有限公司 | Dust collecting device and air purifier |
| CN116481117A (en) * | 2023-06-21 | 2023-07-25 | 山西建康家园科技有限公司 | Intelligent air purification and disinfection device |
| CN116481117B (en) * | 2023-06-21 | 2023-09-05 | 山西建康家园科技有限公司 | Intelligent air purification and disinfection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100586577C (en) | 2010-02-03 |
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