CN1939592B - Mobile electrode of electric dust collector - Google Patents
Mobile electrode of electric dust collector Download PDFInfo
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- CN1939592B CN1939592B CN2006100051969A CN200610005196A CN1939592B CN 1939592 B CN1939592 B CN 1939592B CN 2006100051969 A CN2006100051969 A CN 2006100051969A CN 200610005196 A CN200610005196 A CN 200610005196A CN 1939592 B CN1939592 B CN 1939592B
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- 239000000428 dust Substances 0.000 title claims abstract description 145
- 230000005484 gravity Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000007665 sagging Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000027455 binding Effects 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The present invention is directed to increase the width of each dust collecting electrode plate, decrease the number of parts, and allow the structure for connecting the dust collecting electrode plate to the circular restis to be compact. A mobile electrode of an electric dust collector comprises a pair of driving wheels(20)positioned on the upper side, a pair of driven wheels(22)positioned on the lower side, a pair of annular chains(24)for connecting the driving wheels(20)and the driven wheels(22), and a plurality of dust collecting electrode plates(26)which is connected to the pair of annular chains(24)and rotatablely moves surrounding the discharge electrode, wherein each dust collecting electrode plate(26)is connected, in a free rotation fashion and with respect to the annular chains(24), on the upper position of each dust collecting electrode plate, at the same time, the driving wheels(20)is supported by the cantalever shaft(30)outer side of the moving area of the dust collecting electrode plate(26).
Description
Technical field
The present invention relates to a kind of traveling electrode of electric dust collector, especially relate to a kind of traveling electrode that makes a plurality of control of dust pole plates that are linked on the annular restis (No end rope bar body) rotate the 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 as the spy.Fig. 6 is the stereogram of schematic construction that expression is used for the traveling electrode of this mobile electrode type electric dust collector.Be disposed at a pair of drive sprocket on top (sprocket wheel) 1 and be disposed between a pair of driven voller 2 of bottom, rotatably opening and establish a pair of ring chain 3,3.A plurality of control of dust pole plates 4,4 ... be fixed on the linking part 5 by middle position, and be attached between a pair of ring chain 3,3 its side edge part.The axle 6 of drive sprocket 1 is by not shown driving mechanism rotation, this rotation of 6 is passed on a pair of ring chain 3,3 that is engaged in drive sprocket 1, form on the whole loop a plurality of control of dust pole plates 4,4 ... rotate around not shown discharge electrode and to move.
Fig. 7 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, on the path of each traveling electrode 10 (lane), dispose rotary brush 7.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 moving in the control of dust space of each control of dust pole plate 4 above discharge electrode 8 places, 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 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.Because the mobile electrode type electric dust collector can be kept very thinly with being captured and being piled up in control of dust pole plate 4 lip-deep staubosphere thickness as mentioned above all the time, so be difficult to produce contrary ionization phenomena.Therefore, this mobile electrode type electric dust collector is mainly used in the exhaust that contains the high impedance dust.
But, in the traveling electrode 10 of above-mentioned formation, because its structure is for to be fixed on the centre position of control of dust pole plate 4 in its side edge part on the ring chain 3 by linking part 5, so linking part 5 is formed to bear the firm and bulky structure of control of dust pole plate 4 weight.
In addition, in the mobile electrode type electric dust collector of above-mentioned formation, dispose traveling electrode as shown in Figure 8, it makes control of dust pole plate 4 with respect to keeping moving equidistantly with pitch D discharge electrode 8 arranged side by side.Therefore, the outside dimension of the drive sprocket 1 of formation traveling electrode 10 or driven voller 2 or traveling electrode 10 size of space each other also cooperate pitch D and dispose.
In this configuration, when control of dust pole plate 4 when the position U-shaped of drive sprocket 1 or driven voller 2 turns to, the two ends of control of dust pole plate 4 have formed the motion track X shown in double dot dash line among Fig. 8.If the motion track X in abutting connection with the path intersects, then adjacent control of dust pole plate 4 might bump each other.Therefore, the width W of control of dust pole plate 4 is restricted, and usually according to its geometry relation, need be controlled at about 3 square root (1.73) below the D.So the size decreases of each control of dust pole plate 4, correspondingly the part number increases, and becomes the reason that cost rises.
Summary of the invention
The objective of the invention is to improve the shortcoming of above-mentioned prior art, a kind of traveling electrode of electric dust collector is provided, it can increase the width of each control of dust pole plate and reduce the part number, and, be used in the linking part that the control of dust pole plate is attached on the annular restis and become compact.
To achieve these goals, the traveling electrode of electric dust collector of the present invention has a pair of upper roll that is configured in the top, be configured in a pair of lower rollers of below, open a pair of annular restis of establishing for connecting described each upper roll and each lower rollers, with a plurality of control of dust pole plates that are linked on the 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: on than the high position of described each control of dust pole plate center of gravity, described relatively annular restis links described each control of dust pole plate freely to rotate, simultaneously, described upper roll is supported outside the moving area of described control of dust pole plate by cantilevered axle.In addition, described annular restis is a generalized concept, links chain ends and constitutes the ring chain of loop shape except that comprising, also comprises the parts that constitute the loop shape as the end of the continuous rope bar of bindings such as cable wire.
In addition, the traveling electrode of electric dust collector of the present invention is characterised in that, it has the gradient detecting sensor that detects described each control of dust pole plate gradient and controls the control assembly of rotating speed of each cantilevered axle of described upper roll according to the detection of this gradient detecting sensor.
In addition, the traveling electrode of electric dust collector of the present invention is characterised in that, has set up driving mechanism, and each cantilevered axle of itself and described upper roll links, and makes each cantilevered axle with equidirectional, same rotational speed rotation.
In addition, the traveling electrode of electric dust collector of the present invention is characterised in that, is adjacent to described cantilevered axle and rotating shaft is set, and transmits rotation by transmission mechanism, and this transmission mechanism is delivered to described cantilevered axle with the rotation rotation of this rotating shaft.
In addition, the traveling electrode of electric dust collector of the present invention is characterised in that, described lower rollers is linked by a driving shaft, simultaneously, rotary driving source is connected on this driving shaft.
According to traveling electrode of the present invention, on than the high position of control of dust pole plate center of gravity, annular relatively restis is linked to a plurality of control of dust pole plates on the annular restis freely to rotate.In addition, upper roll is supported outside the moving area of control of dust pole plate by cantilevered axle.Therefore, each dust collecting electrode edges of boards remain because of deadweight along the sagging state limit of vertical direction stable moving.
Thereby, when the control of dust pole plate of adjacent path passes through upper roll or lower rollers, needn't worry that also the control of dust pole plate bumps each other.In addition, owing to upper roll is supported outside the moving area of control of dust pole plate by cantilevered axle, so when each sagging control of dust pole plate passed through upper roll, cantilevered axle etc. can not constitute obstacle.Therefore, can increase the width W of control of dust pole plate, reduce the part number.In addition, owing to will not be securely fixed on the annular restis by the dust collecting electrode plate, getting final product and only it is linked freely to rotate, is compact structure so can make linking part.
In addition, if have the gradient detecting sensor that detects described each control of dust pole plate gradient, control assembly with the rotating speed of each cantilevered axle of controlling upper roll according to the detection of this gradient detecting sensor, then can avoid annular restis on translational speed, to produce difference, the problem that each control of dust pole plate tilts.
In addition, if set up driving mechanism, its each cantilevered axle with described upper roll links, and makes each cantilevered axle with equidirectional, same rotational speed rotation, then can make the translational speed unanimity of a pair of annular restis, thereby can avoid the problem of each control of dust pole plate inclination.
If be adjacent to described cantilevered axle rotating shaft is set, transmit rotation by transmission mechanism, this transmission mechanism is delivered to described cantilevered axle with the rotation rotation of this rotating shaft, so, owing to can make the translational speed unanimity of a pair of ring chain 24, thereby can avoid being attached at each control of dust pole plate 26 on the ring chain 24 and significantly tilt, cause the situation that can't turn round.
If described lower rollers is linked by a driving shaft, simultaneously, rotary driving source is connected on this driving shaft, so, can directly link driving wheel, to reach the simplification drive system by rotating shaft.
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 main composition that expression has the mobile electrode type electric dust collector of traveling electrode of the present invention;
Fig. 3 is the pattern side view of the 2nd embodiment of expression traveling electrode of the present invention;
Fig. 4 is the pattern side view of the 3rd embodiment of expression traveling electrode of the present invention;
Fig. 5 is the pattern side view of the 4th embodiment of expression traveling electrode of the present invention;
Fig. 6 is the stereogram of schematic construction of the traveling electrode of expression prior art;
Fig. 7 is the allocation plan of the traveling electrode bottom of prior art;
Fig. 8 is the pattern side view of problem points that is used to illustrate the traveling electrode of prior art.
The specific embodiment
Fig. 1 is the pattern stereogram of the 1st embodiment of the traveling electrode of expression electric dust collector of the present invention.Between pair of driving wheels 20,20 that is disposed at top and a pair of driven voller 22,22 that is disposed at the bottom, rotatably open and establish a pair of ring chain 24,24.With a plurality of rectangular-shaped control of dust pole plates 26,26 ... the position can be attached on a pair of ring chain 24,24 around trunnion axis freely to rotate with linking part 28 in the top.In addition, for convenience of explanation, among Fig. 1 part control of dust pole plate 26 has been omitted diagram.
Each driving wheel 20,20 is supported outside the moving area of control of dust pole plate 26,26 respectively by cantilevered axle 30,30, and each is driven by driving mechanism 32,32 rotations respectively.The rotation of driving wheel 20,20 is passed to a pair of ring chain 24,24, form on the whole loop a plurality of control of dust pole plates 26,26 ... rotate around not shown discharge electrode and to move.
Fig. 2 is the front elevation of main composition of the mobile electrode type electric dust collector of the traveling electrode 18 of expression with said structure.In the control of dust space, with predetermined distance dispose side by side a plurality of discharge electrodes 34,34 ..., these discharge electrodes 34 are disposed a plurality of traveling electrodes 18 every one with surrounding.Even if the control of dust pole plate 26 that is linked to ring chain 24 and descends also keeps transferring rising owing to conduct oneself with dignity to along the sagging state limit of vertical direction in the limit in the position of driven voller 22.On the position of the control of dust pole plate 26 that this has just risen in clamping, on the path of each traveling electrode 18, dispose rotary brush 36.
The processed gas that contains 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 36, discharge electrode 34 transversely move along the vertical direction during, dust in processed is owing to from the corona discharge of discharge electrode 34 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 36, be attached to control of dust pole plate 26 lip-deep dusts and be rotated brush 36 and peel off, remove.
Promptly, in this mobile electrode type electric dust collector, below operation is repeated to carry out: each control of dust pole plate 26 limit remains the vertical state limit in the control of dust space of the top at discharge electrode 34 places, move during, dust become trapped in the surface of each control of dust pole plate 26, this control of dust pole plate 26 descends and after the position of driven voller 22 transfers rising to, is peeled off, is removed and be attached to control of dust pole plate 26 lip-deep dusts by rotary brush 36.When control of dust pole plate 26 rose and passes through driving wheel 20, also the limit kept transferring decline owing to conduct oneself with dignity to along the sagging state limit of vertical direction.
As mentioned above, according to the traveling electrode 18 of present embodiment, a plurality of control of dust pole plates 26,26 ... the position is attached on the ring chain 24,24 as annular restis freely to rotate by linking part 28 in the top.In addition, the driving wheel 20 as upper roll is supported outside the moving area of control of dust pole plate 26 by cantilevered axle 30.Therefore, each control of dust pole plate 26 limit remain because of deadweight along the sagging state limit of vertical direction stable moving.
Thereby, when the control of dust pole plate 26 of adjacent path passes through driving wheel 20 or driven voller 22, needn't worry that also control of dust pole plate 26 bumps each other.In addition, owing to driving wheel 20 is supported outside the moving area of control of dust pole plate 26 by single armed axle 30, so when each sagging control of dust pole plate 26 passed through driving wheel 20, cantilevered axle 30 grades can not constitute obstacle.Therefore, can increase the width W of control of dust pole plate 26, reduce the part number.In addition, because linking part 28 needn't firmly fix control of dust pole plate 26, get final product and only control of dust pole plate 26 relative ring chains 24,24 are linked freely to rotate, so can be compact structure.
In addition, in the traveling electrode 18 of said structure, pair of driving wheels 20 is rotated driving by independent driving mechanism 32 respectively.Therefore, because the axle slip of the motor of formation driving mechanism 32 etc., it is inconsistent that the rotary speed of pair of driving wheels 20 might become.If the rotary speed of driving wheel 20 is inconsistent, then a pair of ring chain 24 that is driven by the rotation of each driving wheel 20 produces difference on translational speed, and each control of dust pole plate 26 inclination that is linked on the ring chain 24 are excessive, might cause and can not turn round.
Fig. 3 is the key diagram of the structure of the 2nd embodiment used for fear of the problems referred to above of expression.Traveling electrode 18 has the gradient detecting sensor 38 that is used to detect mobile control of dust pole plate 26 gradients, and the testing result of gradient detecting sensor 38 is sent to controller 40.At least one rotating speed adjustment component (for example phase inverter) 42 that 40 pairs of controllers are attached in the driving mechanism 32,32 is controlled, so that control of dust pole plate 26 does not tilt.
Fig. 4 is the pattern side view of the 3rd embodiment of the traveling electrode of expression electric dust collector of the present invention.Among Fig. 4, indicate with the key element of Fig. 1 same-sign have with the 1st embodiment in identical structure, the function of key element that illustrate, omit its explanation.Cantilevered axle 44 in the present embodiment also has one the 1st sprocket wheel 46 except that driving wheel 20.Above driving wheel 20, dispose the rotating shaft 50 that possesses a pair of the 2nd sprocket wheel 48, this rotating shaft 50 is driven by driving mechanism 52 rotations.Also be provided with the mechanism that is used to transmit rotating shaft 50 rotations.That is, link by sprocket wheel chain 54 between each the 1st sprocket wheel 46 and each the 2nd sprocket wheel 48.Thereby, transmit the driving force of driving mechanism 52 by the order of rotating shaft the 50, the 2nd sprocket wheel the 48, the 1st sprocket wheel 46, cantilevered axle 44, driving wheel 20, pair of driving wheels 20,20 is with equidirectional, same rotational speed rotation.Therefore, owing to can make the translational speed unanimity of a pair of ring chain 24, so needn't take problem avoidance strategy shown in Figure 3.
Fig. 5 is the pattern side view of the 4th embodiment of the traveling electrode of expression electric dust collector of the present invention.Among Fig. 5, indicate with the key element of Fig. 1 same-sign have with the 1st embodiment in identical structure, the function of key element that illustrate, omit its explanation.In the present embodiment, link a pair of driven voller 22A, 22A, simultaneously, rotary driving source is connected on this rotating driveshaft as lower rollers by a rotating driveshaft.That is, opposite with the 1st embodiment, pair of driving wheels 20A, 20A are configured in the bottom, and a pair of driven voller 22A, 22A are configured in top.Pair of driving wheels 20A, 20A are linked by rotating shaft 56, and rotating shaft 56 is driven by driving mechanism 58 rotations.
Each driven voller 22A, 22A are supported outside the moving area of control of dust pole plate 26 respectively by cantilevered axle 60,60.On than the high centre position of control of dust pole plate 26 centers of gravity, by linking part 28 with a plurality of control of dust pole plates 26,26 ... be linked to freely to rotate on a pair of ring chain 24,24.
According to the traveling electrode of the 4th embodiment, driving wheel 20A, 20A have been configured in the bottom.Therefore, can directly link driving wheel 20A, 20A, simplify drive system by rotating shaft 56.In addition, owing to the linking part 28 of control of dust pole plate 26 is arranged on the position of bottom of the top in centre position and upper end, so under the identical situation of the width W of control of dust pole plate 26, the lower end height of the control of dust pole plate 26 in the time of can improving control of dust pole plate 26 by driving wheel 20A or driven voller 22A helps to improve the space efficiency of traveling electrode.
Claims (3)
1. the traveling electrode of an electric dust collector, have a pair of upper roll that is configured in the top, a pair of lower rollers that is configured in the below, open a pair of annular restis of establishing and be linked to a plurality of control of dust pole plates on the described a pair of annular restis for connecting described each upper roll and each lower rollers, described a plurality of control of dust pole plate rotates around discharge electrode and moves, and it is characterized in that:
The connecting portion of described each control of dust pole plate is set on the position of the bottom of centre position higher than described control of dust pole plate center of gravity and upper end; Described relatively annular restis links described each control of dust pole plate freely to rotate, and simultaneously, the leading section by cantilevered axle outside the moving area of described control of dust pole plate supports described each upper roll,
On each cantilevered axle, connect rotary driving source coaxially and constitute driven roller,
Be not provided with axial region between described each upper roll and on any position of the top of described each upper roll.
2. the traveling electrode of an electric dust collector, have a pair of upper roll that is configured in the top, a pair of lower rollers that is configured in the below, open a pair of annular restis of establishing and be linked to a plurality of control of dust pole plates on the described a pair of annular restis for connecting described each upper roll and each lower rollers, described a plurality of control of dust pole plate rotates around discharge electrode and moves, and it is characterized in that:
The connecting portion of described each control of dust pole plate is set on the position of the bottom of centre position higher than described control of dust pole plate center of gravity and upper end; Described relatively annular restis links described each control of dust pole plate freely to rotate, and simultaneously, the leading section by cantilevered axle outside the moving area of described control of dust pole plate supports described each upper roll and constitutes driven voller; Described lower rollers is installed on rotating shaft, simultaneously, rotary driving source is connected on this rotating shaft,
Be not provided with axial region between described each upper roll and on any position of the top of described each upper roll.
3. the traveling electrode of electric dust collector according to claim 1 is characterized in that:
Have the gradient detecting sensor that detects described each control of dust pole plate gradient and control the control assembly of rotating speed of each cantilevered axle of described upper roll according to the detection of this gradient detecting sensor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005287455 | 2005-09-30 | ||
| JP287455/05 | 2005-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1939592A CN1939592A (en) | 2007-04-04 |
| CN1939592B true CN1939592B (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100051969A Active CN1939592B (en) | 2005-09-30 | 2006-01-23 | Mobile electrode of electric dust collector |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185915B (en) * | 2007-11-23 | 2010-11-10 | 燕山大学 | High-efficiency rotating polar plate electric dust collector |
| JP5018709B2 (en) * | 2008-09-11 | 2012-09-05 | 株式会社日立プラントテクノロジー | Moving electrode type electrostatic precipitator and method for carrying in member of moving electrode type electrostatic precipitator |
| CN101983775B (en) * | 2010-11-08 | 2012-12-12 | 河南中材环保有限公司 | Electric dust collector, deposition polar plate of anode compound electrode and manufacturing method thereof |
| CN102266821B (en) * | 2011-07-27 | 2014-06-25 | 福建东源环保有限公司 | Mobile lens pole electrostatic dust collector with rotary ash removal brush |
| CN102302979A (en) * | 2011-08-12 | 2012-01-04 | 杭州天明环保工程有限公司 | Electrostatic dust collector |
| CN103062345A (en) * | 2013-01-11 | 2013-04-24 | 西南大学 | Resultant force driving device with sprockets |
| CN105195316B (en) * | 2014-06-16 | 2017-09-15 | 山东盛华投资有限责任公司 | Z-type air-flow rotating polar plate electric dust collector |
| CN106179746A (en) * | 2016-07-01 | 2016-12-07 | 浙江洁翔环保设备有限公司 | Bathing formula traveling electrode wet cottrell |
| CN109595701B (en) * | 2018-11-15 | 2019-10-15 | 浙江欧伦电气有限公司 | A kind of dehumidifier device of band purification |
| CN109550594A (en) * | 2018-12-06 | 2019-04-02 | 邓权塑业科技（湖南）有限公司 | A kind of mixing room dust prevention system and its application method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB803152A (en) * | 1955-09-29 | 1958-10-22 | Metallgesellschaft Ag | Collecting electrodes for electrostatic precipitators |
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2006
- 2006-01-23 CN CN2006100051969A patent/CN1939592B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB803152A (en) * | 1955-09-29 | 1958-10-22 | Metallgesellschaft Ag | Collecting electrodes for electrostatic precipitators |
Non-Patent Citations (1)
| Title |
|---|
| JP昭55-73359A 1980.06.03 |
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| CN1939592A (en) | 2007-04-04 |
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