CN105952553B - Air cleaner dust-extraction unit - Google Patents
Air cleaner dust-extraction unit Download PDFInfo
- Publication number
- CN105952553B CN105952553B CN201610466159.1A CN201610466159A CN105952553B CN 105952553 B CN105952553 B CN 105952553B CN 201610466159 A CN201610466159 A CN 201610466159A CN 105952553 B CN105952553 B CN 105952553B
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- Prior art keywords
- air hose
- dedusting
- dust
- extraction unit
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/084—Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/164—Heavy duty vehicles, e.g. trucks, trains, agricultural or construction machines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Vacuum Cleaner (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of air cleaner dust-extraction units comprising：Holder；Main air hose；Rotate dedusting mechanism comprising：Interior dedusting air hose, drive disk, driven disc, driven shaft and filter core；Assisted dust-collecting mechanism comprising：Assist air hose and outer dedusting air hose.Air cleaner dust-extraction unit provided by the invention mainly uses aerodynamic principle to realize dust removing effects, and dust is blown out from inside to outside to filter core as main dedusting function using interior dedusting air hose；Driving air hose driving driving disc spins are recycled, accomplish uniform dedusting；Cleaning of drifting along finally is carried out to filter core outer surface using outer dedusting air hose, completes air filter dedusting operation.Therefore, air cleaner dust-extraction unit provided by the invention has good dedusting effect, advantage easy to operate, extend the service life of filter core, 4 months were extended to by previous 2 months, while also extending service life of aeroengine indirectly, realizes the effect of cost efficiency.
Description
Technical field
The present invention relates to environmental technology fields, more particularly to a kind of air cleaner dust-extraction unit.
Background technology
Currently, the actual use time limit of the air cleaner (abbreviation air filter) of mining heavy-duty is generally two months, but
According to using specification calculating that should use four months, directly the value of more than half will be caused to waste.It generally adopts in most of mines
Manually hand-driven dust, often because manually dedusting when can not grasp air force and distance, cause in air filter sometimes
Portion's structural failure and the dust scrapping, while blowing out also can serious environmental pollution, and then also have larger wound to the body of people
Evil.Also electronic precipitator is bought in some mines, though dust removing effects are fine, price is also very expensive, and equipment once goes out
When existing failure, it is necessary to producer's assist process, maintenance price must be asked also higher.
Invention content
In order to solve the above technical problems, the present invention provides a kind of air cleaner dust-extraction unit.
The present invention provides a kind of air cleaner dust-extraction unit comprising：
Holder, the holder include rectangle bearing；The rectangle bearing includes left crossbeam connected in sequence, preceding cross
Beam, right crossbeam and front beam；
Main air hose, it is horizontally disposed；One end is fixed by the left crossbeam, other end horizontal extension to the right；
Rotate dedusting mechanism comprising：Interior dedusting air hose, drive disk, driven disc, driven shaft and filter core；
The interior dedusting air hose includes：The horizontal wind of interior dedusting horizontally disposed and below the main air hose
Pipe, and it is communicated in the vertical air hose of interior dedusting of the main air hose and the horizontal air hose of interior dedusting；The drive disk passes through drive shaft
Bearing sleeve is set to outside the interior dedusting air hose；Several blocks windward are provided on the circumferential surface of the drive disk；The filter core is sheathed on
Outside the interior dedusting air hose, and between the drive disk and driven disc；The driven disc by driven bearing holder (housing, cover) be set to from
Outside moving axis, the driven shaft is connected with right crossbeam；
Assisted dust-collecting mechanism comprising：Assist air hose and outer dedusting air hose；
The auxiliary air hose is horizontally disposed in being provided with inclination on the top of the main air hose, the auxiliary air hose
The circumferential surface of the driving air hose of setting, the driving air hose and the drive disk is oppositely arranged；
The outer dedusting air hose includes：The horizontal air hose of outer dedusting below the auxiliary air hose, and it is communicated in institute
State the vertical air hose of outer dedusting of auxiliary air hose and the horizontal air hose of outer dedusting.
Further, the rotation dedusting mechanism further includes spacing collar and several positive stop strips；One end of the positive stop strip with
Drive disk is connected, and the other end is connected with spacing collar；The inner ring of the spacing collar is adapted with the outer circle of filter core.
Further, the right crossbeam is connected with one end of rear cross beam by hinge；The other end of the right crossbeam is with before
Crossbeam is detachably connected.
Further, holder further includes support post, and the bottom of the support post is connected with left crossbeam, and top is provided with
Connecting tube, the auxiliary air hose part are sheathed in the connecting tube；It is provided at the top of the connecting tube and vertically sets
The limited screw set.
Further, the rotation dedusting mechanism further includes support spring, and the support spring is sheathed on the driven shaft
Outside；Through-hole is offered on the right crossbeam, one end of the support spring is set in the through-hole.
Further, the holder further includes four supporting legs for being set to the rectangle rest base.
Further, further include dust-collecting mechanism, the dust-collecting mechanism includes：Dust gathering arrester, dust funnel, disposal box and exhausting
Machine；Wherein,
The dust gathering arrester covers at outside the holder；The dust funnel is set to the rectangle rest base；It is described
Disposal box is set to the dust funnel bottom；The exhaust fan is connected with the dust funnel, and the exhaust fan and collection
It is provided with strainer between dirt funnel.
Further, transparent windows are provided on the dust gathering arrester.
Further, the assisted dust-collecting mechanism further includes being set to first shut-off valve for assisting air hose and second section
Only valve；First shut-off valve controls the connection and disconnection of the air inlet and outer dedusting air hose of the auxiliary air hose；Described second
Shut-off valve controls the connection and disconnection of the air inlet and driving air hose of the auxiliary air hose.
Air cleaner dust-extraction unit provided by the invention is by holder, main air hose, rotation dedusting mechanism and assisted dust-collecting machine
Structure forms.Air cleaner dust-extraction unit provided by the invention mainly uses aerodynamic principle to realize dust removing effects, utilizes
Interior dedusting air hose blows out filter core dust as main dedusting function from inside to outside；Driving air hose driving driving is recycled to spiral
Turn, accomplishes uniform dedusting；Cleaning of drifting along finally is carried out to filter core outer surface using outer dedusting air hose, completes air filter dedusting operation.
Therefore, there is air cleaner dust-extraction unit provided by the invention good dedusting effect, advantage easy to operate to extend filter core
Service life extended to 4 months by previous 2 months, while also extending service life of aeroengine indirectly, realized drop originally
The effect of synergy.Further, there is environmentally friendly dust reduction capability by adding dust-collecting mechanism also, prevents the pollution to air；Simultaneously
Also prevent injury of the dust to people.Air cleaner dust-extraction unit design scheme provided by the invention rationally, low manufacture cost
It is honest and clean, dust removing effects are good, it is easy to maintenance it is quick, space is smaller, mobile light and handy convenient.
Description of the drawings
Fig. 1 is the structural schematic diagram of air cleaner dust-extraction unit provided in an embodiment of the present invention.
Reference sign：
1, air hose is assisted；2, the first shut-off valve；3, limited screw；4, outer dedusting air hose；5, the second shut-off valve；6, wind is driven
Pipe；7, main air hose；8, interior dedusting air hose；9, bearing is driven；10, drive disk；11, block windward；12, positive stop strip；13, spacing collar；
14, driven bearing；15, driven disc；16, driven shaft；17, support spring；18, hinge；19, flange；20, dust funnel；21, collect
Dirt case；22, strainer；23, exhaust fan；24, dust gathering arrester；25, transparent windows；26, holder；27, filter core.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
In a kind of specific embodiment, the present invention provides a kind of air cleaner dust-extraction units.Referring to FIG. 1,
The figure shows the structural schematic diagrams of air cleaner dust-extraction unit provided in an embodiment of the present invention.
Air cleaner dust-extraction unit provided in this embodiment includes：
Holder 26, the holder 26 include rectangle bearing；The rectangle bearing includes left crossbeam connected in sequence, preceding cross
Beam, right crossbeam and front beam；
Main air hose 7, it is horizontally disposed；One end is fixed by left crossbeam, other end horizontal extension to the right；
Rotate dedusting mechanism comprising：Interior dedusting air hose 8, drive disk 10, driven disc 15, driven shaft 16 and filter core 27；Its
In,
Interior dedusting air hose 8 includes：The horizontal air hose of interior dedusting horizontally disposed and below main air hose 7, and
It is communicated in the vertical air hose of interior dedusting of main air hose 7 and the horizontal air hose of interior dedusting；Drive disk 10 is by driving bearing 9 to be sheathed on interior remove
Outside dirt air hose 8；Several block 11 windward are provided on the circumferential surface of drive disk 10；Filter core 27 is sheathed on outside interior dedusting air hose 8, and position
Between drive disk 10 and driven disc 15；Driven disc 15 is sheathed on by driven bearing 14 outside driven shaft 16, driven shaft 16 and the right side
Crossbeam is connected；
Assisted dust-collecting mechanism comprising：Assist air hose 1 and outer dedusting air hose 4；Wherein,
It assists air hose 1 horizontally disposed in the top of main air hose 7, assists being provided with the drive being obliquely installed on air hose 1
Dynamic air hose 6, drives air hose 6 and the circumferential surface of drive disk 10 to be oppositely arranged；
Outer dedusting air hose 4 includes：The horizontal air hose of outer dedusting positioned at 1 lower section of auxiliary air hose, and it is communicated in auxiliary air hose 1
With the vertical air hose of outer dedusting of the horizontal air hose of outer dedusting.
Air cleaner dust-extraction unit provided in an embodiment of the present invention is by holder 26, main air hose 7, rotation dedusting mechanism and auxiliary
Dedusting mechanism is helped to form.Air cleaner dust-extraction unit provided in this embodiment mainly uses aerodynamic principle to realize dedusting
Effect blows out filter core 27 using interior dedusting air hose 8 dust as main dedusting function from inside to outside；Recycle driving air hose 6
It drives drive disk 10 to rotate, accomplishes uniform dedusting；Cleaning of drifting along finally is carried out to filter core outer surface using outer dedusting air hose 4, it is complete
At air filter dedusting operation.Therefore, air cleaner dust-extraction unit provided by the invention has good dedusting effect, excellent easily to operate
Point extends the service life of filter core 27, and 4 months were extended to by previous 2 months, while also extending engine indirectly and make
With the service life, the effect of cost efficiency is realized.
Further, in order to improve the fastness of 27 position of filter core, above-mentioned rotation dedusting mechanism preferably includes spacing collar 13
With several positive stop strips 12；One end of positive stop strip 12 is connected with drive disk 10, and the other end is connected with spacing collar 13；Spacing collar 13 it is interior
Circle is adapted with the outer circle of filter core 27.Filter core 27 is firmly limited in positive stop strip 12 and spacing collar 13 as a result,.
In addition, the dismounting of filter core 27 for convenience, one end of above-mentioned right crossbeam is connected with rear cross beam by hinge 18；Right cross
The other end of beam is detachably connected with front beam.Right crossbeam forms one of switchable door as a result, when needing to dismount filter core 27
When, right crossbeam need to only be removed, then open from front beam, then be put into or take out filter core 27.It is right in the present embodiment
The other end of crossbeam is detachably connected by flange 19 with front beam.
As the preferred embodiment of the present embodiment, above-mentioned holder 26 further preferably includes support post (not shown), support
The bottom of column is connected with left crossbeam, and top is provided with connecting tube (not shown), and 1 part of auxiliary air hose is sheathed on the connection
In pipe；The limited screw 3 being vertically arranged is provided at the top of connecting tube.I.e. the support post is used to support auxiliary air hose
1, and by adjusting the adjustment for assisting position of the air hose 1 in connecting tube that 1 position of auxiliary air hose may be implemented.Limited screw 3
Situations such as positioning to auxiliary air hose 1, preventing to tilt.
Preferably, rotation dedusting mechanism further includes support spring 17, and support spring 17 is sheathed on outside driven shaft 16；Right crossbeam
On offer through-hole, one end of support spring 17 is set in the through-hole.
Above-mentioned holder 26 preferably further includes four supporting legs for being set to rectangle rest base, to be played to rectangle bearing
Firm supporting role.
Preferably, above-mentioned assisted dust-collecting mechanism further includes being set to the first shut-off valve 2 and the second shut-off valve of auxiliary air hose 1
5；The connection and disconnection of the air inlet and outer dedusting air hose 4 of first shut-off valve 2 control auxiliary air hose 1；Second shut-off valve 5 controls auxiliary
Help the connection and disconnection of the air inlet and driving air hose 6 of air hose 1.Thus personnel control easy to operation is that outer dedusting air hose 4 works,
The work of driving air hose 6 or the two work at the same time.
As the preferred embodiment of the present invention, above-mentioned air cleaner dust-extraction unit further preferably includes dust-collecting mechanism, the dust
Mechanism includes：Dust gathering arrester 24, dust funnel 20, disposal box 21 and exhaust fan 23；Wherein,
Dust gathering arrester 24 covers at outside holder 26；Dust funnel 20 is set to rectangle rest base；Disposal box is set to collection
20 bottom of dirt funnel；Exhaust fan 23 is connected with dust funnel 20, and is provided with strainer between exhaust fan 23 and dust funnel 20
22。
Dust in dust gathering arrester 24 and dust funnel 20 is quickly fallen into collection by the dedusting mechanism using the suction of exhaust fan 23
In dirt case 21, convenient for centralized processing, pollution air is prevented.
Make this air cleaner dust-extraction unit also with environmentally friendly dust reduction capability, main profit by the way that above-mentioned dedusting mechanism is arranged
Dust centralized processing is collected with its dust collect plant, prevents the pollution to air；Also prevent injury of the dust to people simultaneously.Design
Scheme is reasonable, cost of manufacture is cheap, dust removing effects are good, it is easy to maintenance it is quick, space is smaller, mobile light and handy convenient.
Further, transparent windows 25 are provided on dust gathering arrester 24.
The operation principle of air cleaner dust-extraction unit as shown in one is as follows：
When dedusting, the second shut-off valve 5 is opened, while supplying to main air hose 7 and auxiliary air hose 1；It is discharged from auxiliary air hose 1
Gas is discharged through air hose 6 of overdriving, and driving air hose 6 generates motive force to block 11 windward so that drive disk 10 rotates, drive disk 10
Filter core 27 and driven disc 15 is driven to rotate together；The gas being discharged from main air hose 7 is after interior dedusting air hose 8, by through being rotating
Filter core 27 be filtered.
Operating personnel can select to open the first shut-off valve 2 according to demand, and the gas being thus discharged from auxiliary air hose 1 passes through
Outer dedusting air hose 4 is discharged, and the gas that outer dedusting air hose 4 is discharged flows through 27 surface of filter core, and surface dust is carried out to filter core 27, these
Dust is collected by dust funnel 20 such as disposal box 21.
As shown in the above, air cleaner dust-extraction unit provided in an embodiment of the present invention can extend making for filter core 27
With the period, 4 months was extended to by previous 2 months, while also extending service life of aeroengine indirectly, be truly realized drop
The effect of this synergy.Further, there is environmentally friendly dust reduction capability by the way that above-mentioned dust-collecting mechanism is arranged also, prevents the dirt to air
Dye；Also prevent injury of the dust to people simultaneously.Design scheme is reasonable, cost of manufacture is cheap, dust removing effects are good, easy to maintenance
Fast, space is smaller, mobile light and handy convenient.
Air cleaner dust-extraction unit provided by the present invention is described in detail above.It is used herein specifically
Principle and implementation of the present invention are described for a example, and the explanation of above example is only intended to help to understand the present invention
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from original of the invention
, can be with several improvements and modifications are made to the present invention under the premise of reason, these improvement and modification also fall into right of the present invention and want
In the protection domain asked.
Claims (9)
1. a kind of air cleaner dust-extraction unit, which is characterized in that including：
Holder, the holder include rectangle bearing；The rectangle bearing includes left crossbeam connected in sequence, front beam, the right side
Crossbeam and rear cross beam；
Main air hose, it is horizontally disposed；One end is fixed by the left crossbeam, other end horizontal extension to the right；
Rotate dedusting mechanism comprising：Interior dedusting air hose, drive disk, driven disc, driven shaft and filter core；
The interior dedusting air hose includes：The horizontal air hose of interior dedusting horizontally disposed and below the main air hose, with
And it is communicated in the vertical air hose of interior dedusting of the main air hose and the horizontal air hose of interior dedusting；The drive disk is by driving bearing holder (housing, cover) to set
In outside the interior dedusting air hose；Several blocks windward are provided on the circumferential surface of the drive disk；The filter core is sheathed in described
Outside dedusting air hose, and between the drive disk and driven disc；The driven disc is set to by driven bearing holder (housing, cover) outside driven shaft,
The driven shaft is connected with right crossbeam；
Assisted dust-collecting mechanism comprising：Assist air hose and outer dedusting air hose；
The auxiliary air hose is horizontally disposed to be obliquely installed in being provided on the top of the main air hose, the auxiliary air hose
Driving air hose, it is described driving air hose and the drive disk circumferential surface be oppositely arranged；
The outer dedusting air hose includes：The horizontal air hose of outer dedusting below the auxiliary air hose, and be communicated in described auxiliary
Help the vertical air hose of outer dedusting of air hose and the horizontal air hose of outer dedusting.
2. air cleaner dust-extraction unit according to claim 1, which is characterized in that the rotation dedusting mechanism further includes
Spacing collar and several positive stop strips；One end of the positive stop strip is connected with drive disk, and the other end is connected with spacing collar；The spacing collar
Inner ring be adapted with the outer circle of filter core.
3. air cleaner dust-extraction unit according to claim 1, which is characterized in that the one of the right crossbeam and rear cross beam
End is connected by hinge；The other end of the right crossbeam is detachably connected with front beam.
4. air cleaner dust-extraction unit according to claim 1, which is characterized in that holder further includes support post, institute
The bottom for stating support post is connected with left crossbeam, and top is provided with connecting tube, and the auxiliary air hose part is sheathed on the connection
In pipe；The limited screw being vertically arranged is provided at the top of the connecting tube.
5. air cleaner dust-extraction unit according to claim 1, which is characterized in that the rotation dedusting mechanism further includes
Support spring, the support spring are sheathed on outside the driven shaft；Through-hole is offered on the right crossbeam, the support spring
One end is set in the through-hole.
6. air cleaner dust-extraction unit according to claim 1, which is characterized in that the holder further includes being set to institute
State four supporting legs of rectangle rest base.
7. air cleaner dust-extraction unit according to claim 1, which is characterized in that further include dust-collecting mechanism, the collection
Dirt mechanism includes：Dust gathering arrester, dust funnel, disposal box and exhaust fan；Wherein,
The dust gathering arrester covers at outside the holder；The dust funnel is set to the rectangle rest base；The dust
Case is set to the dust funnel bottom；The exhaust fan is connected with the dust funnel, and the exhaust fan is leaked with dust
Strainer is provided between bucket.
8. air cleaner dust-extraction unit according to claim 7, which is characterized in that be provided on the dust gathering arrester transparent
Observation window.
9. air cleaner dust-extraction unit according to claim 1, which is characterized in that the assisted dust-collecting mechanism further includes
It is set to the first shut-off valve and the second shut-off valve of the auxiliary air hose；First shut-off valve control it is described auxiliary air hose into
The connection and disconnection of gas port and outer dedusting air hose；Second shut-off valve controls the air inlet and driving air hose of the auxiliary air hose
Connection and disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466159.1A CN105952553B (en) | 2016-06-23 | 2016-06-23 | Air cleaner dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466159.1A CN105952553B (en) | 2016-06-23 | 2016-06-23 | Air cleaner dust-extraction unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952553A CN105952553A (en) | 2016-09-21 |
| CN105952553B true CN105952553B (en) | 2018-09-04 |
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| CN201610466159.1A Active CN105952553B (en) | 2016-06-23 | 2016-06-23 | Air cleaner dust-extraction unit |
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| CN (1) | CN105952553B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513268A (en) * | 2019-01-18 | 2019-03-26 | 聊城市公共交通集团有限公司 | Intelligent air filtering core cleaning assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797665Y (en) * | 2004-10-01 | 2006-07-19 | 曹吉功 | Dust-remover for air filter |
| CN101994614B (en) * | 2010-11-11 | 2013-01-16 | 福州市公共交通集团有限责任公司 | Dust removal device for air filter cartridge |
| JP5776632B2 (en) * | 2012-06-06 | 2015-09-09 | 住友金属鉱山株式会社 | Air filter regeneration method and air filter regeneration device |
| CN202811128U (en) * | 2012-08-03 | 2013-03-20 | 田育建 | Dust-collecting air filter |
| CN205858529U (en) * | 2016-06-23 | 2017-01-04 | 内蒙古包钢钢联股份有限公司 | Air filter dust arrester |
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| CN105952553A (en) | 2016-09-21 |
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