CN103316549B - Dust arrester - Google Patents
Dust arrester Download PDFInfo
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- CN103316549B CN103316549B CN201210487853.3A CN201210487853A CN103316549B CN 103316549 B CN103316549 B CN 103316549B CN 201210487853 A CN201210487853 A CN 201210487853A CN 103316549 B CN103316549 B CN 103316549B
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- filter cloth
- eccentric shaft
- dust arrester
- motor
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Abstract
The present invention provides the dust arrester of a kind of bag of filter formula dust arrester.The dust arrester of the present invention has: motor；Eccentric shaft, it is rotated by this motor-driven, and possesses the center a pair eccentric part from the central axis of this eccentric shaft symmetrically bias；A pair swing arm, it symmetrically configures centered by eccentric shaft, in order to a pair eccentric part possessed with this eccentric shaft respectively carries out back and forth movement in contact；Multiple swing pipes, it is connected with each swing arm respectively in the way of can swinging；And filter cloth, it is suspended in these swing pipes respectively；Eccentric shaft is made to rotate so that the filter cloth hanging on swing pipe symmetrically vibrates.
Description
Technical field
The present invention relates to a kind of dust arrester, particularly to the dust arrester of a kind of bag filter.
Background technology
Since in the past, for instance, as described in Japanese Patent Publication 7-7721 publication, it is known to utilize the rotary motion of motor to make the filter cloth vibration of bag filter remove the dust arrester of the dust being attached on filter cloth.
But, in above-mentioned conventional device, it is necessary to produced when overcoming filter cloth to vibrate, from the counteracting force of filter cloth to make filter cloth vibrate, so that the motor that power is bigger.And, in above-mentioned conventional device, carry out the swing of filter cloth by random regulating the frequency of vibration of filter cloth with the optimum vibration frequency that the adhesion amount in the dust being attached on filter cloth is corresponding, improve elimination effect.But, in the device that this is conventional, owing to filter cloth vibrates with constant frequency of vibration in the swing of filter cloth, the problem that therefore there is also the dust can not removed fully on filter cloth surface.
Summary of the invention
The present invention makes to solve above-mentioned conventional problem points, its object is to, it is provided that a kind of power that can reduce the motor making filter cloth vibrate and also the dust arrester of the dust being attached on filter cloth surface can be removed fully.
In order to reach above-mentioned purpose, the present invention provides a kind of dust arrester, it is characterised in that it is the dust arrester of bag filter, including: motor；Eccentric shaft, it is rotated by this motor-driven, and possesses the center a pair eccentric part from the central axis of this eccentric shaft symmetrically bias；A pair swing arm, it symmetrically configures centered by the central axis of eccentric shaft, in order to a pair eccentric part possessed with this eccentric shaft respectively carries out back and forth movement in contact；Multiple oscillating structural members, it is connected with each swing arm respectively in the way of can swinging；And filter cloth, it is suspended in each oscillating structural member；Eccentric shaft is made to rotate so that the filter cloth hanging on oscillating structural member symmetrically vibrates.
In the dust arrester of the present invention so constituted, the eccentric part of eccentric shaft rotates under the effect of motor, and swing arm carries out back and forth movement respectively in left-right direction, and thus, oscillating structural member rotates in left-right direction and swings in pendulum shape.Further, since the also relative to each other left and right directions of oscillating structural member swings, thus it is delivered to the counteracting force of swing arm from filter cloth and is cancelled.Its result, in accordance with the invention it is possible to reduce the power of the motor making filter cloth vibrate, and can remove the dust being attached in filter cloth surface fully.
In the present invention, it is preferred that oscillating structural member is columnar swing pipe, the two sides of this swing pipe are hung with filter cloth.
In the present invention so constituted, owing to being hung with filter cloth on the two sides of columnar swing pipe, it is thus possible to simply to construct the dust that removing is attached in filter cloth surface effectively.
Preferably, dust arrester also has the frequency converter unit of the rotating speed for changing motor, utilizes the rotating speed that this frequency converter unit changes motor to make filter cloth vibrate.
In the present invention so constituted, owing to utilizing frequency converter unit to change the rotating speed of motor, it is thus possible to make the adjusting amplitude of vibration of filter cloth, in irregular shape be changed such that it is able to remove the dust being attached in filter cloth surface fully.It addition, can expeditiously to the transmission vibration of filter cloth entirety, it is prevented that local is removed, and improves the elimination effect that filter cloth is overall.
In the present invention, it is preferred that frequency converter unit changes the rotating speed of motor in the way of making the frequency of vibration of filter cloth periodically be changed to big state from little state.
In the present invention so constituted, owing to changing the rotating speed of motor in the way of being gradually changed to big state by the frequency of vibration of filter cloth from little state, being thus able to remove the dust mated most with its frequency, therefore the fluctuation of the elimination effect that the difference of dust kind is brought tails off.
Bag filter dust arrester according to the present invention, it is possible to reduce the power of the motor making filter cloth vibrate, and the dust being attached in filter cloth surface can be removed fully.
Accompanying drawing explanation
Fig. 1 indicates that the side view of the dust arrester of an embodiment of the invention.
Fig. 2 is the front view of the dust arrester of an embodiment of the invention.
Fig. 3 indicates that the top view of the eccentric shaft of the dust arrester being used in an embodiment of the invention.
Fig. 4 is the front view of the eccentric shaft shown in Fig. 3.
Fig. 5 is the enlarged drawing in the A portion of Fig. 1.
Fig. 6 is the side view observing Fig. 5 from B direction.
Fig. 7 is the sectional view observed along the VII-VII line of Fig. 1.
Fig. 8 is the block diagram of the control that the motor to the dust arrester involved by an embodiment of the invention carries out.
Detailed description of the invention
Hereinafter, the dust arrester of the bag filter of an embodiment of the invention is described referring to figs. 1 through Fig. 8.
First, as depicted in figs. 1 and 2, accompanying drawing labelling 1 represents the dust arrester of an embodiment of the invention.This dust arrester 1 includes frame 2, the power source that includes in the inside of this frame 2 making filter cloth vibrate, i.e. motor 3, is provided with the power transmission 4 for transmitting the power from motor 3 on the main shaft 3a of this motor 3.This power transmission 4 includes: driving side V belt wheel 4a, it is inlaid on the main shaft 3a of motor 3；Slave end V belt wheel 4b；And V band 4c, it is located on above-mentioned driving side V belt wheel 4a and slave end V belt wheel 4b.
The slave end V belt wheel 4b of power transmission 4 is embedded with eccentric shaft 6.As shown in Figure 3 and Figure 4, the substantially central portion at eccentric shaft 6 is provided with a pair eccentric part 6b, 6c, and the center of this pair eccentric part 6b, 6c is symmetrically eccentric from the central axis 6a of eccentric shaft 6.
As depicted in figs. 1 and 2, each eccentric part 6b, 6c of eccentric shaft 6 are symmetrically provided with respectively the actuator unit 8,10 contacting and carrying out in left-right direction back and forth movement with eccentric part 6b, 6c.Can symmetrically be linked with swing arm 12,14 respectively in the way of integrally performing back and forth movement with actuator unit 8,10 in these actuator units 8,10.
Swing arm 12,14 is linked with two driven carriage that can swing 16 respectively.Specifically, the lower end side at driven carriage 16 forms hole 16a, inserts the shaft component 18 being fixed on swing arm 12,14 in the 16a of this hole, and shaft component 18 can rotate relative to the hole 16a of driven carriage 16.It addition, the upper end side at driven carriage 16 forms hole 16b, this hole 16b is inserted and fixed the rotating shaft 20a of swing pipe 20 described later.And, the rotating shaft 20a of swing pipe 20 is supported as rotating by the bearing 22 being arranged in frame 2.
So, by the back and forth movement of swing arm 12,14, the lower end side with hole 16a of driven carriage 16 can swing in left-right direction centered by the upper end side with hole 16b.Thus, be fixedly mounted on driven carriage 16 upper end side hole 16b in swing pipe 20 rotating shaft 20a also with regulation angle (such as, 30 degree) rotate (swing).
Then, as shown in Fig. 1, Fig. 5 and Fig. 6, swing pipe 20 includes cylindrical portion 20b, is fixed with above-mentioned rotating shaft 20a in the front of this cylindrical portion 20b, and is supported as rotating by bearing 22.Rear end side fixing knife-edge support component 20c, this knife-edge support component 20c at the cylindrical portion 20b of swing pipe 20 are installed in the edge of a knife component 24 in frame 2 and support as to rotate (swing) with predetermined angular (such as 30 degree).
As shown in Figure 1 and Figure 7, cylindrical portion 20b at swing pipe 20, it is fixed with the multiple bar component 20ds symmetrically horizontal-extending from the two sides of cylindrical portion 20b along its length at predetermined intervals, on the top of these bars component 20d to be separately installed with hook component 26 relative to the symmetrical mode of cylinder section.These hook components 26 are hung with filter cloth 28.
Additionally, as shown in Figure 8, the dust arrester 1 of present embodiment is provided with the control station 30 of rotating speed for controlling motor 3, this control station 30 is provided with the converter 32 of the rotating speed for changing motor 3 and for controlling the PLC(ProgrammableLogicController of this converter 32: programmable logic controller (PLC)) 34.Additionally, converter 32 can also utilize repeat circuit to be controlled.
In the above-described embodiment, as shown in Figure 2, although swing arm 12,14 makes swing pipe 20 rotate by two driven carriage 16 respectively, but is not limited to this, it is also possible to the driven carriage 16 linking 1 or more than 3 at swing arm 12,14 makes swing pipe 20 rotate.
In the above-described embodiment, though eccentric shaft 6 and swing arm 12,14 link by actuator unit 8,10, but eccentric shaft 6 and swing arm 12,14 can also directly be linked.
In the above-described embodiment, use based on the V V belt translation with 4c to transmit the rotary motion of motor 3 to eccentric shaft 6, it may also be use the cog belt transmission of cog belt, use the Chain conveyer of roller chain or use the gear drive of gear, furthermore, it is also possible to directly link motor 3 and eccentric shaft 6.
In the above-described embodiment, though utilizing edge of a knife component 24 to support the knife-edge support component 20c of rear end side of swing pipe 20, but bearing can also be utilized to support according to the mode identical with front.
Then, the action of the dust arrester of the embodiment of the invention described above is described.Originally, it is energized to motor 3, makes main shaft 3a rotate.The rotary driving force of motor 3 is delivered to eccentric shaft 6 via the use V power transmission 4 with 4c.If eccentric shaft 6 rotates, then swing arm 12,14 carries out back and forth movement respectively in left-right direction via the actuator unit 8,10 contacted with eccentric part 6b, 6c of eccentric shaft 6.The back and forth movement of swing arm 12,14 makes swing pipe 20 rotate (swing) with predetermined angular via driven carriage 16.Specifically, swing pipe 20 rotates in left-right direction and swings in pendulum shape.
Swing pipe 20 swings in left-right direction, thus makes the filter cloth 28 being suspended on hook component 26 vibrate.At this, owing to swing arm 12,14 symmetrically configures relative to eccentric part 6b, 6c of eccentric shaft 6, thus eccentric part 6b, the 6c along with eccentric shaft 6 rotates, swing arm 12,14 and the left and right directions also relative to each other with the swing pipe 20 that each swing arm 12,14 interlocks swing.
And, in the dust arrester 1 of present embodiment, converter 32 can automatically change the rotating speed of motor 3 according to the command signal from PLC34.Such as, owing to by periodically changing the rotating speed of motor 3 from the state that frequency of vibration is less to the state that frequency of vibration is bigger and can remove the dust mating its frequency most, therefore the deviation of the elimination effect that different dusts kind is brought tails off.It addition, can vibrate to the transmission of filter cloth entirety expeditiously by changing the frequency of vibration of motor 3, it is prevented that local is removed, and improves the elimination effect that filter cloth is overall.
Further, since swing arm 12,14 symmetrically configures relative to eccentric part 6b, 6c of eccentric shaft 6, therefore it is delivered to the counteracting force of swing arm 12,14 from filter cloth 28 and is cancelled, it is thus possible to reduce the driving force of motor 3.
And, in the dust arrester 1 of present embodiment, it is possible to utilize converter 32 to change the rotating speed of the motor 3 in wobbling action.Therefore, by changing the rotating speed of motor 3 in wobbling action, it is possible to make the adjusting amplitude of vibration of filter cloth 28, in irregular shape change such that it is able to remove the dust being attached in filter cloth surface fully.
Description of reference numerals
1 dust arrester；2 frames；3 motor；4 power transmissions；6 eccentric shafts；6b, 6c eccentric part；8,10 actuator unit；16 driven carriage；20 swing pipes；28 filter clothes；30 control stations；32 converters.
Claims (3)
1. a dust arrester, it is characterised in that
It is the dust arrester of bag filter, including:
Motor；
Eccentric shaft, it is rotated by this motor-driven, and possesses the center a pair eccentric part from the central axis of this eccentric shaft symmetrically bias；
A pair swing arm, states above and symmetrically configures centered by the central axis of eccentric shaft, in order to a pair eccentric part possessed with this eccentric shaft respectively carries out back and forth movement in contact；
Multiple oscillating structural members, it is connected with each above-mentioned swing arm respectively in the way of can swinging；And
Filter cloth, it is suspended in each above-mentioned oscillating structural member；
Making above-mentioned eccentric shaft rotate makes the filter cloth hanging on above-mentioned oscillating structural member symmetrically vibrate,
Above-mentioned dust arrester also has the frequency converter unit of the rotating speed changing above-mentioned motor, utilizes the rotating speed that this frequency converter unit changes above-mentioned motor to make above-mentioned filter cloth vibrate.
2. dust arrester according to claim 1, wherein,
Above-mentioned oscillating structural member is columnar swing pipe, is hung with above-mentioned filter cloth on the two sides of this swing pipe.
3. dust arrester according to claim 1 and 2, wherein,
Above-mentioned frequency converter unit changes the rotating speed of above-mentioned motor in the way of making the frequency of vibration of filter cloth periodically be changed to big state from little state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-066647 | 2012-03-23 | ||
| JP2012066647A JP2013193076A (en) | 2012-03-23 | 2012-03-23 | Device for shaking off dust of bag filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103316549A CN103316549A (en) | 2013-09-25 |
| CN103316549B true CN103316549B (en) | 2016-07-06 |
Family
ID=49185764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210487853.3A Active CN103316549B (en) | 2012-03-23 | 2012-11-26 | Dust arrester |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013193076A (en) |
| CN (1) | CN103316549B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101922568B1 (en) * | 2017-05-19 | 2018-11-27 | 최보규 | Dust removing device of filter cloth integrated dust collector |
| CN113318534A (en) * | 2021-05-26 | 2021-08-31 | 安徽天顺环保设备股份有限公司 | Bag type dust collector adopting swinging vibration ash removal device |
| CN115253506B (en) * | 2022-05-30 | 2023-06-16 | 福建龙净环保股份有限公司 | Rotary filter bag ash removal device and dust remover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204178U (en) * | 1987-04-30 | 1987-11-25 | 湘潭风动机械厂 | Industrial duster |
| CN2799051Y (en) * | 2005-06-15 | 2006-07-26 | 高友利 | Dual-row amplitude-variable beating mechanism of flat bag dust collector |
| CN2845891Y (en) * | 2005-12-09 | 2006-12-13 | 将军烟草集团有限公司 | Air filter cloth bag cleaner |
| CN2860625Y (en) * | 2005-07-31 | 2007-01-24 | 蒋政 | Transmission structure of circular shale shaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS479075U (en) * | 1972-02-14 | 1972-10-03 | ||
| JPS5416363Y2 (en) * | 1973-08-24 | 1979-06-27 | ||
| JPS50152269U (en) * | 1974-06-04 | 1975-12-18 | ||
| US4283208A (en) * | 1980-05-12 | 1981-08-11 | The Air Preheater Company, Inc. | Filter bag cleaning system |
| JPH06154533A (en) * | 1992-11-17 | 1994-06-03 | Matsui Mfg Co | Dust shaking down apparatus of collecting apparatus |
| JPH077721U (en) * | 1993-06-30 | 1995-02-03 | 新東ダストコレクタ株式会社 | Bag filter dust removal device |
| WO1997039816A1 (en) * | 1996-04-23 | 1997-10-30 | Lab S.A. | Control systems for operating gas cleaning devices |
| KR20070002513A (en) * | 2005-06-30 | 2007-01-05 | 삼성전자주식회사 | Air cleaner |
-
2012
- 2012-03-23 JP JP2012066647A patent/JP2013193076A/en active Pending
- 2012-11-26 CN CN201210487853.3A patent/CN103316549B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204178U (en) * | 1987-04-30 | 1987-11-25 | 湘潭风动机械厂 | Industrial duster |
| CN2799051Y (en) * | 2005-06-15 | 2006-07-26 | 高友利 | Dual-row amplitude-variable beating mechanism of flat bag dust collector |
| CN2860625Y (en) * | 2005-07-31 | 2007-01-24 | 蒋政 | Transmission structure of circular shale shaker |
| CN2845891Y (en) * | 2005-12-09 | 2006-12-13 | 将军烟草集团有限公司 | Air filter cloth bag cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103316549A (en) | 2013-09-25 |
| JP2013193076A (en) | 2013-09-30 |
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