CN113082868B - Dust removal device and method for self-cleaning filter element - Google Patents

Dust removal device and method for self-cleaning filter element Download PDF

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Publication number
CN113082868B
CN113082868B CN202110468581.1A CN202110468581A CN113082868B CN 113082868 B CN113082868 B CN 113082868B CN 202110468581 A CN202110468581 A CN 202110468581A CN 113082868 B CN113082868 B CN 113082868B
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China
Prior art keywords
filter element
dust
brush head
electrostatic
eccentric block
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CN202110468581.1A
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Chinese (zh)
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CN113082868A (en
Inventor
付秀丽
王帅
潘永智
陈立文
张银行
门秀花
李朵朵
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University of Jinan
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University of Jinan
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Publication of CN113082868A publication Critical patent/CN113082868A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/785—Regeneration of the filtering material or filter elements inside the filter by electrical means, e.g. for the generation of electrostatic forces in order to reject particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

The invention relates to a dust removal device and a method for a self-cleaning filter element. The device is divided into a vibration dust removal device and a reverse pulse airflow and electrostatic dust removal device, the vibration dust removal device realizes the opening and closing of the pneumatic clutch by judging the dust amount, and then the eccentric block is driven to rotate by adopting negative pressure, so that vibration dust removal is realized. Reverse pulse air current adds electrostatic precipitator through the inside dust of local reverse pulse air current discharge filter core, realizes all-round dust removal of filter core in addition electrostatic brush head's adsorption and relative motion with the filter core, and the dust baffle that brush head protecting cover was equipped with realizes that the dust subsides. The invention can realize the high-efficiency cleaning of the filter element without influencing the work.

Description

Self-cleaning filter element dust removal device and method
Technical Field
The invention relates to a self-cleaning filter element dust removal device and a method, in particular to a vibration and static combined dust removal method and a filter element self-cleaning device in a negative pressure environment.
Background
When handling industry granule dust thing through negative pressure pneumatic conveying, often install the filter core in transportation process and filter it with the clean air of output, because dust particulate matter content is higher in the air current for the filter core just can gather a large amount of dusts in short time and can take place to block up even, makes filter core internal pressure far away external pressure, and the resistance of admitting air increases, and then seriously influences the pneumatic conveying of industry granule dust thing, reduces the life of fan.
The cleanness of filter core is the key factor that influences the filter core life-span, and the filter core mainly adopts manual washing at present, and the traditional mode that adopts to dismantle the filter core and carry out manual washing has very big limitation, especially pollutes very fast, the filter core dismantles complicacy and requires continuous operation's occasion at the filter core, and the time cost that the dismantlement filter core brought, the degree of difficulty and the incompleteness of manual washing filter core and bring drawbacks such as damage are showing especially. The filter element is cleaned in the industry in a vibration mode, however, an additional motor is usually needed to realize the vibration of the filter element, the structure is complex, and the cleaning effect is poor because the vibration source is far away from the filter element. The reverse air flow can make the filter element surface dust break away from, but under filter element operating condition, less dust is difficult to subside through gravity, can adsorb to the filter element inside again, is difficult to whole cleanness of dust, and the suction and the accumulation of small dust can make the filter element clean more difficult. Dust removal can also be performed by electrostatic adsorption, however, electrostatic dust removal also has the problem that the filter element is difficult to clean after being polluted, and is more difficult to clean the surface of the filter element.
Therefore, the invention provides the method and the device for removing dust from the self-cleaning filter element in order to realize efficient, nondestructive and continuous cleaning of the surface of the filter element in a pneumatic conveying environment.
Disclosure of Invention
The invention aims to provide a method and a device for removing dust from a self-cleaning filter element, which aim to solve the problems in the background technology.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a self-cleaning filter element dust removal device comprises a shell, a filter element is arranged in the shell, a driving device for driving the filter element to rotate is arranged in the filter element, an electrostatic brush head is arranged on one side of the filter element, the electrostatic brush head is intersected with two circles projected by an axial plane of the filter element, and the end part of the electrostatic brush head is connected with an electrostatic generator; the dust baffle is arranged at the outer side of the electrostatic brush head, and the electrostatic brush head with dust falls off when passing through the position of the dust baffle; a reverse airflow pipe is arranged in the filter element, and a plurality of air injection holes are arranged on the side wall of the reverse airflow pipe.
Furthermore, the electrostatic brush head comprises a brush head shaft, electrostatic brush hairs and friction cotton, the electrostatic brush hairs are arranged on the outer ring of the brush head shaft, and a circle of friction cotton is arranged at intervals along the axial direction of the brush head shaft.
Furthermore, a brush head protective cover is arranged outside the static brush head, a dust baffle is arranged on the inner side wall of the brush head protective cover, the height of the dust baffle is lower than the lowest position of the filter element filter layer, and a groove is formed in the position, corresponding to the friction cotton, of the dust baffle.
Furthermore, the distance between the axis of the electrostatic brush head and the axis of the filter element is smaller than the sum of the maximum radius of the friction cotton before extrusion and the maximum radius of the filter element filter layer, the electrostatic brush hair and the friction cotton are both made of flexible wear-resistant materials, the radius of the electrostatic brush hair is slightly larger than the minimum radius of the friction cotton during extrusion and smaller than the maximum radius of the friction cotton before extrusion, and meanwhile, the radius of the electrostatic brush hair is larger than the shortest axial distance between the axis of the electrostatic brush head and the dust baffle.
Furthermore, the lower end of the brush head protective cover can be detached.
Furthermore, the left side and the bottom of the shell are respectively provided with an air inlet and an ash bucket, the top of the shell is provided with a pressing plate, and the pressing plate is fixed on the top of the shell through screws; one end of the filter core shaft is connected with the pressing plate through a bearing and a bearing end cover, the other end of the filter core shaft is connected with the output end of the axial speed reducer, the input end of the axial speed reducer is connected with one end of the fan blade, the other end of the fan blade is connected with one end of the air pressure clutch, and the other end of the air pressure clutch is connected with the eccentric block shaft.
Furthermore, the filter element is divided into a filter layer and a filter element support, and the eccentric block shaft is connected with the filter element support through a bearing and a bearing end cover.
Furthermore, the filter element is also provided with a reverse airflow pipe, the center of the reverse airflow pipe is positioned on a straight line with the axes of the electrostatic brush hairs and the axes of the filter element, the side wall of the reverse airflow pipe is provided with a plurality of air injection holes, and the pulse airflow of the reverse airflow pipe is provided by an air compressor.
Furthermore, the fan blades are connected with the eccentric block shaft through a pneumatic clutch.
The filter element is divided into a filter element support and a filter layer, and the filter element support is fixed on the shell and the shell cover at the same time.
Further, the pressure plate is long and has a width slightly larger than the maximum diameter of the bearing assembly.
Furthermore, a plurality of connecting blocks are arranged along the axial position of the eccentric block shaft so as to fix the eccentric block shaft during vibration.
In addition, the embodiment also provides a dust removal method for the self-cleaning filter element, which comprises the following steps:
the power of the fan blade is provided by negative pressure, and is transmitted to the filter element through the axial speed reducer and the connecting block and transmitted to the eccentric block through the pneumatic clutch and the eccentric block shaft; the electrostatic brush head rotates under the friction and extrusion action of the friction cotton and the filter element, the reverse pulse airflow discharges dust at the corresponding position of the filter element, and the electrostatic brush hair sweeps the surface of the filter element to realize electrostatic adsorption; when the electrostatic bristles rotate to pass through the dust baffle, the dust is subjected to resistance and gravity to realize electrostatic dust removal; when the eccentric block moves, the vibration is transmitted to the filter element to realize vibration dust removal.
The static brush head and the static generator are always in a communicated state.
The pneumatic clutch is switched between a connection state and a disconnection state according to the dust accumulation amount on the surface of the filter element, and is in the connection state when the dust accumulation amount is large and is in the disconnection state when the dust accumulation amount is small.
The invention adopts negative pressure to drive the eccentric block to rotate so as to realize vibration, and the air pressure clutch is used for automatically opening or closing vibration dust removal according to the pollution degree of the filter element; the reverse pulse airflow is used for discharging dust in the filter element, and the filter element is cleaned by matching with electrostatic dust removal, so that the dust is prevented from entering the filter element for the second time; the filter element is driven by negative pressure to rotate at high torque and low speed under the action of the axial speed reducer, and the filter element can be cleaned in all directions under the condition that the positions of the reverse pulse tube and the electrostatic bristles are not changed.
Compared with the prior art, the invention has the following remarkable advantages.
1. The surface cleaning of the filter element can be realized while the filter element works.
2. The negative pressure suction provides power for the rotation of the filter element and the rotation of the eccentric block, and an additional mechanical power device is not needed.
3. Adopt atmospheric pressure clutch to carry out eccentric block and flabellum and be connected, can be according to filter core pollution degree automatic connection eccentric block and flabellum, and then vibrate the dust removal.
4. Local reverse pulse air current cooperation filter core is rotatory and electrostatic absorption, can realize the all-round clear while of filter core, does not cause the damage to filter core surface structure.
5. The design of the dust baffle plate structure in the brush head protective cover ensures that dust is easier to discharge after the filter element is cleaned.
6. The filter core divide into filter core support and filter layer for filter core simple to operate just need not to change whole filter core when the filter layer damages.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of a filter element structure.
Fig. 3 is a schematic diagram of a cartridge holder configuration.
Fig. 4 is a schematic diagram of a housing cover structure.
Fig. 5 is a schematic view of the structure of the pressing plate.
Fig. 6 is a schematic view of a brush head protective cover structure.
Fig. 7 is a schematic top view of an electrostatic precipitator.
Fig. 8 is a schematic view of a reverse flow arrangement.
In the figure: 1 is a dust hopper, 2 is an air inlet, 3 is a shell, 4 is a filter element, 41 is a filter layer, 42 is a filter element support, 421 is a negative pressure port, 422 is a support column, 423 is a support plate, 5 is a shell cover, 6 is a pressure plate, 61 is a pressure plate airflow hole, 7 is a connecting block, 8 is a filter core shaft, 9 is an axial reducer, 10 is a fan blade, 11 is a pneumatic clutch, 12 is an eccentric block, 13 is an eccentric block shaft, 14 is an electrostatic generator, 15 is a brush head protective cover, 151 is a dust baffle, 16 is an electrostatic brush head, 161 is a brush head shaft, 162 is electrostatic brush hair, 163 is friction cotton, 17 is a reverse airflow pipe, and 171 is a spray hole.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, it indicates the presence of the stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that, in the present embodiment, words such as "upper", "lower", "left" and "right" are presented for convenience of description, but they only indicate that the corresponding drawings are consistent with the upper, lower, left and right directions, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the present embodiment discloses a dust removing method and device for a self-cleaning filter element, which includes a housing 3, an air inlet 2 is disposed at one side of the housing 3, in the present embodiment, the air inlet is disposed at the left side of fig. 1, an ash bucket 1 communicated with the bottom of the housing 3 is disposed at the bottom of the housing 3, a housing cover 5 is connected with the top of the housing 3 by screws, a pressing plate 6 is fixed on the housing cover 5 by screws, the pressing plate 6 is processed with a boss and a threaded hole to mount a bearing and a bearing cover, and is provided with a pressing plate airflow hole 61 communicated with a reverse airflow pipe 17 (or the reverse airflow pipe 17 passes through the hole), the upper end of a filter core shaft 8 is mounted on the pressing plate 6 by a bearing, the bottom end is connected with a fan blade 10 by an axial speed reducer 9, the lower end of the fan blade 10 is fixed at one end of an air pressure clutch 11, the other end of the air pressure clutch 11 is fixed at an eccentric block shaft 13, and the eccentric block shaft 13 is fixed at the bottom of the filter element 4 by a bearing. The brush head protecting cover 15 is fixed on the top of the shell cover 5 through screws, and the electrostatic brush head 16 is fixed on the upper end and the lower end of the brush head protecting cover 15 through bearings; in particular, the filter element 4 intersects two circles projected on the axial plane of the electrostatic brush head 16.
The reason why the eccentric mass shaft 13 is adopted in the above structure is that: transmitting the rotation motion of the fan blade 10 to the eccentric block to generate axial vibration; the supporting filter element 4 rotates to prevent the unidirectional stress from being uneven.
The dust air flow enters the whole system through the air inlet 2.
The connecting block 7 is made of a bar material, and the connecting block 7 is fixed on the filter element support.
It should be noted that, the pneumatic clutch sets a critical value, so that when the surface of the filter element reaches a state to be cleaned, the pneumatic clutch works to perform vibration dust removal.
As shown in FIG. 8, the wall of the reverse air flow tube 17 is provided with a plurality of spray holes, and the top of the reverse air flow tube 17 passes through the platen air flow holes 61 for connecting with an external air compressor.
In this embodiment, the fan blade 10 rotates by negative pressure suction, the power is transmitted to the filter element 4 through the connecting block after being decelerated by the axial speed reducer 9, and then the filter element 4 is driven to rotate, because the filter element 4 intersects with two circles projected by the axial plane of the electrostatic brush head 15, the filter element 4 rotates to drive the electrostatic brush head 16 to rotate, the electrostatic generator 14 and the electrostatic brush head 16 are always in a communicated state, the reverse airflow pipe 17 adopts an external air compressor to provide pulse airflow, the dust at the corresponding position of the filter element is discharged to the working position of the electrostatic brush head after being ejected through the orifices 171, larger particles settle under the action of gravity, smaller dust is adsorbed to the electrostatic brush head 16 under the action of electrostatic adsorption, and then the adsorption of the static to the dust on the surface of the filter element 4 is realized, due to the structural design of the dust baffle 151 of the dust protection cover 15 of the brush head, the dust falls off when the electrostatic brush head 16 with the dust passes through the position of the dust baffle 151, and slides down to the dust hopper 1 along the dust baffle 151, and the electrostatic dust removal process is completed.
Because the filter element 4 can continuously accumulate dust on the surface thereof when working, the accumulation of the dust on the surface of the filter element 4 can cause the pressure difference between the inside and the outside of the filter element, when the internal pressure is increased to a fixed value set by the pneumatic clutch 11, the pneumatic clutch 11 works, at the moment, the fan blades 10 drive the eccentric block shaft 13 to rotate at a high speed, the eccentric block 12 generates vibration along with the rotation of the eccentric block shaft 13, the vibration is transmitted to the filter element 4, the vibration dust removal process is completed, and the better dust removal effect is realized by matching with electrostatic dust removal.
Considering the influence of centrifugal force, the rotating speed of the filter element 4 is not too large, so the axial speed reducer 9 is adopted, the rotating speed is reduced, and the torque of the filter element 4 is improved.
As shown in fig. 2, the filter element 4 in this embodiment is divided into a filter layer 41 and a filter element holder 42, so that when the filter layer 41 is damaged, the filter element 4 does not need to be replaced integrally, thereby saving the replacement cost and reducing the replacement time. As shown in fig. 3, the filter element support 42 is divided into a negative pressure port 421, a support plate 423 and a support column 422, wherein the support column 422 is provided with a threaded hole to facilitate fixing of the filter layer 41 and the filter element support 42 and fixing of the connection block 7, and the negative pressure port 421 is connected with an external negative pressure generating device to provide negative pressure required by the system.
As shown in fig. 5, the pressure plate 6 in this embodiment is an elongated structure, and the pressure plate 6 is provided with a hole for engaging with a bearing mounted on the top of the filter core shaft 8, a pressure plate air flow hole 61, and a hole for connecting to the housing cover; the pressure plate 6 is designed into a long strip shape, which can effectively reduce the obstruction to the negative pressure airflow.
As shown in fig. 6, the brush head protecting cover 15 in this embodiment is detachable at a lower end to facilitate replacement of the electrostatic brush head 16. The top and bottom of the protective cover 15 are provided with mounting holes for mounting the head shaft 161. Furthermore, a dust baffle 151 is vertically arranged in the inner ring of the protective cover, and a groove is formed in the position of the dust baffle 151 corresponding to the friction cotton 163 in the embodiment, so that the dust baffle 151 does not hinder the friction cotton 163 from rotating, and dust on the electrostatic bristles 162 can be removed better.
As shown in fig. 7, the electrostatic brush head 16 includes a brush head shaft 161, a circle of electrostatic bristles 162 is disposed on an outer circumference of the brush head shaft 161, and a circle of friction cotton 163, in this embodiment, two circles of friction cotton, are disposed at intervals along an axial direction of the brush head shaft. When the electrostatic brush head 16 rotates clockwise, the dust baffle 151 is arranged in the direction shown in fig. 7, and forms a certain angle with the tangential direction of the rotation direction of the electrostatic brush head 16, when the friction cotton 163 is extruded with the filter element 4, the radius of the friction cotton 163 is reduced, so that the electrostatic brush 162 can better adsorb dust while reducing abrasion, the radius of the electrostatic brush 162 is slightly larger than the minimum radius of the friction cotton 163 during extrusion and smaller than the maximum radius of the friction cotton 163 before extrusion, and the radius of the electrostatic brush 162 is larger than the shortest axial distance between the axis of the electrostatic brush head 16 and the dust baffle 151.
Finally, it should be further noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The foregoing are only some embodiments of the invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.

Claims (7)

1. A self-cleaning filter element dust removal device is characterized by comprising a shell, a filter element is arranged in the shell, a driving device for driving the filter element to rotate is arranged in the filter element, an electrostatic brush head is arranged on one side of the filter element, the electrostatic brush head is intersected with two circles projected on the axial plane of the filter element, and the end part of the electrostatic brush head is connected with an electrostatic generator; a dust baffle is arranged on the outer side of the electrostatic brush head, and dust falls off when the electrostatic brush head with the dust passes through the position of the dust baffle; a reverse airflow pipe is arranged in the filter element, and a plurality of spray holes are arranged on the side wall of the reverse airflow pipe; the pulse air is ejected through the jet holes and then discharges dust at the corresponding position of the filter element to the working position of the electrostatic brush head;
the electrostatic brush head comprises a brush head shaft, electrostatic brush hair and friction cotton, the electrostatic brush hair is arranged on the outer ring of the brush head shaft, and a circle of friction cotton is arranged at intervals along the axial direction of the brush head shaft; the distance between the axis of the electrostatic brush head and the axis of the filter element is smaller than the sum of the maximum radius of the friction cotton before extrusion and the maximum radius of the filter element filter layer, the radius of the electrostatic brush hair is slightly larger than the minimum radius of the friction cotton during extrusion and smaller than the maximum radius of the friction cotton before extrusion, and meanwhile, the radius of the electrostatic brush hair is larger than the shortest axial distance between the axis of the electrostatic brush head and the dust baffle;
the driving device comprises a filter core shaft, one end of the filter core shaft is rotatably connected with the pressing plate, the other end of the filter core shaft is connected with the output end of the axial speed reducer, the input end of the axial speed reducer is connected with one end of a fan blade, the other end of the fan blade is connected with one end of an air pressure clutch, the other end of the air pressure clutch is connected with an eccentric block shaft, and the eccentric block shaft is connected with an eccentric block; the eccentric block shaft transmits the rotary motion of the fan blade to the eccentric block to generate axial vibration, and can also support the filter element to rotate so as to prevent unidirectional uneven stress; the air pressure clutch is started to work according to the internal and external pressure difference generated by dust accumulation on the surface of the filter element, and the fan blades rotate through negative pressure suction.
2. A dust extractor with a self-cleaning filter element as claimed in claim 1, wherein a brush head protecting cover is provided outside the electrostatic brush head, said brush head protecting cover being detachable at a lower end thereof.
3. The dust collector of claim 1, wherein the dust baffle has a groove corresponding to the rubbing cotton.
4. A dust collector with a self-cleaning filter element as claimed in claim 2, wherein the housing is provided with an air inlet and an ash bucket at the left side and the bottom, respectively, and a pressing plate at the top, the pressing plate being fixed to the top of the housing.
5. A dust removing apparatus for a self-cleaning filter element as claimed in claim 1, wherein said filter element is divided into a filter layer and a filter element holder, and an eccentric block shaft is connected to the filter element holder through a bearing and a bearing end cap, and a plurality of connecting blocks are provided along an axial direction of said eccentric block shaft for fixing the eccentric block shaft when vibrated.
6. The dust collector of self-cleaning filter element of claim 1, wherein the top of said reverse flow duct is connected to an external air compressor.
7. A method for removing dust from a self-cleaning filter element by using the dust removing device for the self-cleaning filter element as claimed in any one of claims 1 to 6, which comprises the following steps:
the static brush head and the static generator are always in a communicated state, the power of the fan blade is provided by negative pressure, and the power of the fan blade is transmitted to the filter element through the axial speed reducer and the connecting block and is transmitted to the eccentric block through the air pressure clutch and the eccentric block shaft; the electrostatic brush head rotates under the friction extrusion action of the friction cotton and the filter element, the reverse pulse airflow pipe discharges dust at the corresponding position of the filter element, and the electrostatic brush hair sweeps the surface of the filter element to realize electrostatic adsorption; when the electrostatic bristles rotate to pass through the dust baffle, the dust is subjected to resistance and gravity to realize electrostatic dust removal; when the eccentric block moves, the vibration is transmitted to the filter element to realize vibration dust removal.
CN202110468581.1A 2021-04-28 2021-04-28 Dust removal device and method for self-cleaning filter element Active CN113082868B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110468581.1A CN113082868B (en) 2021-04-28 2021-04-28 Dust removal device and method for self-cleaning filter element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110468581.1A CN113082868B (en) 2021-04-28 2021-04-28 Dust removal device and method for self-cleaning filter element

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CN113082868B true CN113082868B (en) 2023-02-07

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CN114768997B (en) * 2022-04-07 2024-02-06 山东瑞嘉通风环保科技有限公司 Electric dust remover

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DE2538495C3 (en) * 1975-08-29 1981-05-27 Hugo 4720 Beckum Schmitz Device for cleaning gases
CN202527023U (en) * 2012-02-29 2012-11-14 上海掌客通讯科技有限公司 Automatic filter screen dedusting device
CN206296074U (en) * 2016-11-28 2017-07-04 马鞍山科宇环境工程有限公司 A kind of electrostatic precipitator
CN211752564U (en) * 2020-03-03 2020-10-27 安徽海蓝生物科技有限公司 Tartaric acid is with triple effect evaporimeter filter equipment
CN111659201A (en) * 2020-06-10 2020-09-15 界首市利能环保技术开发有限公司 Based on roll and revolve dynamic formula ventilation filter equipment

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