CN103316549A - Dedusting device - Google Patents
Dedusting device Download PDFInfo
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- CN103316549A CN103316549A CN2012104878533A CN201210487853A CN103316549A CN 103316549 A CN103316549 A CN 103316549A CN 2012104878533 A CN2012104878533 A CN 2012104878533A CN 201210487853 A CN201210487853 A CN 201210487853A CN 103316549 A CN103316549 A CN 103316549A
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- eccentric shaft
- filter cloth
- motor
- dust arrester
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Abstract
The present invention provides a dedusting device of a bag filter type dust collector. The dedusting device of the invention comprises a motor, an eccentric shaft driven by the motor to rotate, a pair of eccentric parts of which the centers are eccentric and left and right symmetrical from the central axis of the eccentric shaft; a pair of swinging rods which are arranged symmetrically left and right by taking the eccentric shaft as the center, so that the pair of swinging rods are contacted with the pair of eccentric parts possessed by the eccentric shaft to do back and forth movement; a plurality of swinging tubes connected with the plurality of swinging rods respectively in a swinging manner, and filtering cloths hung on the swinging tubes respectively. The eccentric shaft is rotated to shock the filtering cloths hung on the swinging tubes symmetrically left and right.
Description
Technical field
The present invention relates to a kind of dust arrester, particularly a kind of dust arrester of bag filter.
Background technology
In the past, for example, opened as described in the flat 7-7721 communique as Japan is real, knownly favourablely make the filter cloth of bag filter vibrate to remove the dust arrester that is attached to the dust on the filter cloth with rotatablely moving of motor.
But, in above-mentioned device in the past, need to overcome that in filter cloth when vibration, produce, make the filter cloth vibration from the reaction force of filter cloth, thereby need the larger motor of power.And, in above-mentioned device in the past, to carry out the swing of filter cloth in optimum vibration frequency corresponding to the adhesion amount that is attached to the dust on the filter cloth, improved the removing effect by the vibration frequency of at random regulating filter cloth.Yet, in this device in the past, because filter cloth vibrates with constant vibration frequency, therefore also have the problem that can not remove fully the lip-deep dust of filter cloth in the swing of filter cloth.
Summary of the invention
The present invention makes in order to solve above-mentioned problem points in the past, and its purpose is, a kind of power of the motor that can reduce to make the filter cloth vibration is provided and can removes fully the dust arrester that is attached to the lip-deep dust of filter cloth.
In order to reach above-mentioned purpose, the invention provides a kind of dust arrester, it is characterized in that, it is the dust arrester of bag filter, comprising: motor; Eccentric shaft, it is rotated by this Motor Drive, and possesses the center from a pair of eccentric part of the central axis left and right symmetrically off-centre of this eccentric shaft; A pair of swing arm, its left and right symmetrically configuration centered by the central axis of eccentric shaft is so that a pair of eccentric part that possesses with this eccentric shaft respectively carries out back and forth movement in contact; A plurality of oscillating structural members, it is connected with each swing arm respectively in the mode that can swing; And filter cloth, it is suspended in each oscillating structural member; Thereby make the eccentric shaft rotation that the filter cloth left and right symmetrically that hangs on oscillating structural member is vibrated.
In the dust arrester of the present invention that so consists of, the eccentric part of eccentric shaft rotates under the effect of motor, and swing arm carries out back and forth movement along left and right directions respectively, and thus, oscillating structural member is the pendulum shape along the left and right directions rotation and swings.In addition and since oscillating structural member also towards each other relative left and right directions swing, thereby be cancelled from the reaction force that filter cloth is delivered to swing arm.Its result according to the present invention, can reduce to make the power of the motor of filter cloth vibration, and can remove fully the dust that is attached on the filter cloth surface.
In the present invention, preferably, oscillating structural member is columnar swing pipe, is hung with filter cloth in the two sides of this swing pipe.
In the present invention who so consists of, owing to be hung with filter cloth in the two sides of columnar swing pipe, thereby can effectively remove the dust that is attached on the filter cloth surface with simple structure.
Preferably, dust arrester also has the frequency converter unit for the rotating speed that changes motor, while the rotating speed that utilizes this frequency converter unit to change motor makes the filter cloth vibration.
In the present invention who so consists of owing to utilizing frequency converter unit to change the rotating speed of motor, thereby can make filter cloth adjusting amplitude of vibration, change to out-of-shape, thereby can remove fully the dust that is attached on the filter cloth surface.In addition, can prevent local the removing expeditiously to the whole transmitting vibrations of filter cloth, improve the removing effect of filter cloth integral body.
In the present invention, preferably, frequency converter unit is so that the vibration frequency of filter cloth is the rotating speed that the mode of large state changes motor from little state variation interimly.
In the present invention who so consists of, because the mode that gradually is changed to large state from little state with the vibration frequency of filter cloth changes the rotating speed of motor, thereby can remove the dust that mates most with its frequency, so the fluctuation of the removing effect brought of the difference of dust kind tails off.
According to bag filter dust arrester of the present invention, can reduce to make the power of the motor of filter cloth vibration, and can remove fully the dust that is attached on the filter cloth surface.
Description of drawings
Fig. 1 is the side view of the dust arrester of expression an embodiment of the invention.
Fig. 2 is the front view of the dust arrester of an embodiment of the invention.
Fig. 3 is the top view of eccentric shaft that expression is used in the dust arrester of an embodiment of the invention.
Fig. 4 is the front view of eccentric shaft shown in Figure 3.
Fig. 5 is the enlarged drawing of the A section of Fig. 1.
Fig. 6 is the side view of observing Fig. 5 from the B direction.
Fig. 7 is the cutaway view of observing along the VII-VII line of Fig. 1.
Fig. 8 is the block diagram of the control carried out of the motor to the related dust arrester of an embodiment of the invention.
The specific embodiment
Below, the dust arrester of the bag filter of an embodiment of the invention is described referring to figs. 1 through Fig. 8.
At first, as depicted in figs. 1 and 2, the dust arrester of Reference numeral 1 expression an embodiment of the invention.This dust arrester 1 comprises frame 2, comprises the power source that makes filter cloth vibration in the inside of this frame 2, is motor 3, is equipped with for the power transmission 4 that transmits from the power of motor 3 at the main shaft 3a of this motor 3.This power transmission 4 comprises: driving side V belt wheel 4a, and 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 the slave end V belt wheel 4b.
4b is embedded with eccentric shaft 6 at the slave end V of power transmission 4 belt wheel.As shown in Figure 3 and Figure 4, be provided with a pair of eccentric part 6b, 6c in the substantial middle section of eccentric shaft 6, the center of this a pair of eccentric part 6b, 6c is eccentric from the central axis 6a left and right symmetrically of eccentric shaft 6.
As depicted in figs. 1 and 2, on each eccentric part 6b, the 6c of eccentric shaft 6 respectively left and right symmetrically be provided with the actuator unit 8,10 that contacts with eccentric part 6b, 6c and carry out back and forth movement along left and right directions.In these actuator units 8,10 with the mode that can carry out integratedly back and forth movement with actuator unit 8,10 respectively left and right symmetrically link swing arm 12,14 arranged.
On swing arm 12,14, link respectively two driven supports 16 that can swing are arranged.Particularly, the lower end side formation hole 16a at driven support 16 insert the shaft component 18 that is fixed on the swing arm 12,14 in the 16a of this hole, and shaft component 18 can be rotated with respect to the hole 16a of driven support 16.In addition, at the upper end side formation hole 16b of driven support 16, in the 16b of this hole, insert and be fixed with 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 that is installed on the frame 2.
So, by swing arm 12,14 back and forth movement, the lower end side with hole 16a of driven support 16 can swing along left and right directions centered by the upper end side with hole 16b.Thus, the rotating shaft 20a that is fixedly mounted on the swing pipe 20 among the hole 16b of upper end side of driven support 16 also is rotated (swing) with the angle (for example, 30 degree) of regulation.
Then, such as Fig. 1, Fig. 5 and shown in Figure 6, swing pipe 20 comprises cylindrical portion 20b, is fixed with above-mentioned rotating shaft 20a in the front of this cylindrical portion 20b, and by bearing 22 supportings for rotating.At the fixing edge of a knife supporting member 20c of the rear end side of the cylindrical portion 20b of swing pipe 20, this knife-edge support member 20c is installed in edge of a knife member 24 supportings on the frame 2 for being rotated (swing) with predetermined angular (for example 30 degree).
Such as Fig. 1 and shown in Figure 7, cylindrical portion 20b at swing pipe 20, be fixed with from the horizontally extending a plurality of bar member 20d of the two sides left and right symmetrically of cylindrical portion 20b with predetermined distance along its length, on the top of these bar members 20d to be separately installed with hook component 26 with respect to the symmetrical mode of cylinder section.Be hung with filter cloth 28 at these hook components 26.
In addition, as shown in Figure 8, in the dust arrester 1 of present embodiment, be provided with the console 30 of rotating speed for control motor 3, in this console 30, be provided with for the frequency converter 32 of the rotating speed that changes motor 3 and be used for the PLC(Programmable Logic Controller of this frequency converter 32 of control: programmable logic controller (PLC)) 34.In addition, frequency converter 32 can also utilize repeat circuit to control.
In the above-described embodiment, as shown in Figure 2, although swing arm 12,14 is rotated swing pipe 20 by two driven supports 16 respectively, be not limited thereto, also can swing pipe 20 be rotated at swing arm 12, the 14 driven supports 16 that link more than 1 or 3.
In the above-described embodiment, though eccentric shaft 6 and swing arm 12,14 by actuator unit 8,10 and link, but also can directly link eccentric shaft 6 and swing arm 12,14.
In the above-described embodiment, in order to transmit rotatablely moving of motor 3 and to use the band transmission with 4c based on V to eccentric shaft 6, but also can be cog belt transmission, the chain transmission of using roller chain of using cog belt or the gear drive of using gear, and, also can directly link motor 3 and eccentric shaft 6.
In the above-described embodiment, though utilize the knife-edge support member 20c of the rear end side of edge of a knife member 24 supporting swing pipes 20, also can utilize bearing to support according to the mode identical with front.
The action of dust arrester of the embodiment of the invention described above then, is described.Originally, to motor 3 energisings, main shaft 3a is rotated.The rotary driving force of motor 3 is via using V to be delivered to eccentric shaft 6 with the power transmission 4 of 4c.If eccentric shaft 6 is rotated, then swing arm 12,14 via with the contacted actuator unit 8 of eccentric part 6b, the 6c of eccentric shaft 6,10 and carry out back and forth movement along left and right directions respectively. Swing arm 12,14 back and forth movement make swing pipe 20 be rotated (swing) with predetermined angular via driven support 16.Particularly, swing pipe 20 is rotated and is pendulum shape ground and swings along left and right directions.
Swing pipe 20 swings along left and right directions, makes thus filter cloth 28 vibrations that are suspended on the hook component 26.At this, because swing arm 12, the 14 eccentric part 6b with respect to eccentric shaft 6, the configuration of 6c left and right symmetrically, thereby be accompanied by eccentric part 6b, the 6c rotation of eccentric shaft 6, swing arm 12,14 with the swing pipe 20 of each swing arm 12,14 interlocks also towards each other relative left and right directions swing.
And in the dust arrester 1 of present embodiment, frequency converter 32 can be according to the rotating speed that automatically changes motor 3 from the command signal of PLC34.For example, because by interimly change the rotating speed of motor 3 and can remove the dust that mates its frequency most to the larger state of vibration frequency from the less state of vibration frequency, so the deviation of the removing effect brought of different dusts kind tails off.In addition, can prevent local the removing by the vibration frequency that changes motor 3 expeditiously to the whole transmitting vibrations of filter cloth, improve the removing effect of filter cloth integral body.
In addition because swing arm 12, the 14 eccentric part 6b with respect to eccentric shaft 6, the configuration of 6c left and right symmetrically, therefore from filter cloth 28 be delivered to swing arm 12,14 reaction force is cancelled, thereby can reduce the driving force of motor 3.
And, in the dust arrester 1 of present embodiment, can utilize frequency converter 32 to change the rotating speed of the motor 3 in the wobbling action.Therefore, by in wobbling action, changing the rotating speed of motor 3, can make the adjusting amplitude of vibration of filter cloth 28, out-of-shape ground change, thereby can remove fully the dust that is attached on the filter cloth surface.
Description of reference numerals
1 dust arrester; 2 frames; 3 motor; 4 power transmissions; 6 eccentric shafts; 6b, 6c eccentric part; 8,10 actuator units; 16 driven supports; 20 swing pipes; 28 filter clothes; 30 consoles; 32 frequency converters.
Claims (4)
1. a dust arrester is characterized in that,
It is the dust arrester of bag filter, comprising:
Motor;
Eccentric shaft, it is rotated by this Motor Drive, and possesses the center from a pair of eccentric part of the central axis left and right symmetrically off-centre of this eccentric shaft;
A pair of swing arm, its left and right symmetrically configuration centered by the central axis of above-mentioned eccentric shaft is so that a pair of eccentric part that possesses with this eccentric shaft respectively carries out back and forth movement in contact;
A plurality of oscillating structural members, it is connected with each above-mentioned swing arm respectively in the mode that can swing; And
Filter cloth, it is suspended in each above-mentioned oscillating structural member;
The filter cloth left and right symmetrically vibration that makes above-mentioned eccentric shaft rotate to make to hang on above-mentioned oscillating structural member.
2. dust arrester according to claim 1, wherein,
Above-mentioned oscillating structural member is columnar swing pipe, is hung with above-mentioned filter cloth in the two sides of this swing pipe.
3. dust arrester according to claim 1 and 2, wherein,
Above-mentioned dust arrester also has the frequency converter unit of the rotating speed that changes above-mentioned motor, while the rotating speed that utilizes this frequency converter unit to change above-mentioned motor makes above-mentioned filter cloth vibration.
4. dust arrester according to claim 3, wherein,
Above-mentioned frequency converter unit is so that the vibration frequency of filter cloth is the rotating speed that the mode of large state changes above-mentioned motor from little state variation interimly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012066647A JP2013193076A (en) | 2012-03-23 | 2012-03-23 | Device for shaking off dust of bag filter |
| JP2012-066647 | 2012-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103316549A true CN103316549A (en) | 2013-09-25 |
| CN103316549B 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 (5)
| 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 |
| US20070000219A1 (en) * | 2005-06-30 | 2007-01-04 | Park Chan J | Air purifier |
| CN2860625Y (en) * | 2005-07-31 | 2007-01-24 | 蒋政 | Transmission structure of circular shale shaker |
Family Cites Families (7)
| 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 |
| MXPA98008822A (en) * | 1996-04-23 | 2002-07-22 | Lab Sa | Control systems for operating gas cleaning devices. |
-
2012
- 2012-03-23 JP JP2012066647A patent/JP2013193076A/en active Pending
- 2012-11-26 CN CN201210487853.3A patent/CN103316549B/en active Active
Patent Citations (5)
| 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 |
| US20070000219A1 (en) * | 2005-06-30 | 2007-01-04 | Park Chan J | Air purifier |
| 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 |
|---|---|
| CN103316549B (en) | 2016-07-06 |
| JP2013193076A (en) | 2013-09-30 |
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