CN109045863A - A kind of dedusting filtering bag of multilayered structure - Google Patents
A kind of dedusting filtering bag of multilayered structure Download PDFInfo
- Publication number
- CN109045863A CN109045863A CN201811177724.8A CN201811177724A CN109045863A CN 109045863 A CN109045863 A CN 109045863A CN 201811177724 A CN201811177724 A CN 201811177724A CN 109045863 A CN109045863 A CN 109045863A
- Authority
- CN
- China
- Prior art keywords
- sliding panel
- plate
- side opening
- stripe board
- filter bag
- Prior art date
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 229920000784 Nomex Polymers 0.000 claims abstract description 7
- 239000004763 nomex Substances 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 239000004642 Polyimide Substances 0.000 claims abstract description 4
- 229920001721 polyimide Polymers 0.000 claims abstract description 4
- 230000002459 sustained effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims 1
- 230000002421 anti-septic effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 10
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of dedusting filtering bags of multilayered structure, including mounting plate, grip block, cage and filter bag ontology, the mounting plate and grip block are circular ring shape, the filter bag ontology covers outside cage, and the sack of the filter bag ontology is clamped between mounting plate and grip block, the mounting plate and grip block are bolted, the cage includes multiple vertical bars being parallel to each other and multiple circular ring shape units being parallel to each other, each vertical bar is fixedly connected with all circular ring shape units, and all vertical bars are fixedly connected with the mounting plate；The filter bag ontology includes base cloth layer, polyimide Nomex and polytetrafluoroethylene (PTFE) D refraction statics felt.Filter bag heat-resistant fireproof of the invention, antiseptic property are good, and whether be able to detect filter bag damaged.
Description
Technical field
The present invention relates to chemical fields, and in particular to a kind of dedusting filtering bag of multilayered structure.
Background technique
As country is increasingly stringenter environment protection treating, people increasingly close industrial fumes Comprehensive Treatment of Pollution technology
Note and attention.Bag type dust removing technology is administered field application in industrial fumes and is got over due to the advantages that filter efficiency is high, long service life
Come wider.However during filter bag reuses, in fact it could happen that damaged, breakage sometimes cannot be found in time, manual inspection, work
Amount is big, and difficulty is high.
Summary of the invention
Goal of the invention: the present invention is directed to overcome the deficiencies of existing technologies, a kind of dedusting filtering bag of multilayered structure is provided.
Technical solution: a kind of dedusting filtering bag, including mounting plate, grip block, cage and filter bag ontology, the mounting plate and folder
Holding plate is circular ring shape, and the filter bag ontology covers outside cage, and the sack of the filter bag ontology is clamped in mounting plate and folder
It holds between plate, the mounting plate and grip block are bolted, and the cage includes multiple vertical bars being parallel to each other and multiple
The circular ring shape unit being parallel to each other, each vertical bar are fixedly connected with all circular ring shape units, all vertical bars and the peace
Loading board is fixedly connected with.
Further, the filter bag ontology includes base cloth layer, polyimide Nomex and polytetrafluoroethylene (PTFE) D refraction statics felt.
Further, the base cloth layer is alkali-free glass fibre base cloth layer；The filter bag ontology further includes being coated in poly- four
The band microporous poly tetrafluoroethylene on vinyl fluoride D refraction statics felt surface.
Further, multiple vertical bars are welded and fixed with the mounting plate, and each vertical bar is welded with all circular ring shape units
Connect fixation；The circular ring shape unit is annular pole, and the section of annular pole is circle.
Further, the quantity of the vertical bar is greater than 6；The mounting plate has multiple mounting holes.
It further, further include lower circular slab, the mounting plate is connected with Circular Plate by multiple first connecting brackets, institute
It states Circular Plate and is connected with upper circular slab by multiple second connecting brackets, the bottom end of the lower circular slab and all vertical bars is fixed
Connection, is fixed with column between the upper circular slab and lower circular slab, be fixed with transparent fixed plate in the column, it is described on
It is fixedly connected with the guide rod that section is in octagon between circular slab and fixed plate, is fixed with motor shaft two at the upper circular slab
The motor stretched out is held, the both ends of motor shaft are each provided with a winding device, and the guide rod passes through the first sliding panel, the second sliding
Plate, third sliding panel and the 4th sliding panel, the first, second, third and fourth sliding panel arrange from top to bottom, the first, second, third and fourth sliding panel
It is plectane and the through-hole with octagon, there are two be located at collinear first bar shaped for the first sliding panel connection
Plate, the second sliding panel connection is there are two collinear second stripe board is located at, and there are two the third sliding panel connections
Positioned at collinear third stripe board, there are two be located at collinear Article 4 shape plate, institute for the 4th sliding panel connection
The first stripe board and the second stripe board are stated in 45 degree of angles, second stripe board and third stripe board are at 45 degree of angles, the third
Stripe board and Article 4 shape plate are in 45 degree of angles, the first drawstring there are two connections between the fixed plate and the first sliding panel, and first
There are two the second drawstrings for connection between sliding panel and the second sliding panel, between the second sliding panel and third sliding panel there are two connections
Third drawstring, connection is there are two the 4th drawstring between the third sliding panel and the 4th sliding panel, the 4th sliding panel and every
The 5th drawstring is respectively connected between a winding device；At the column have the first side opening, the second side opening, third side opening and
4th side opening, when the first, second, third and fourth drawstring is in straight condition, the first side opening be located at fixed plate and the first sliding panel it
Between, between the first and second sliding panel, third side opening is located between second and third sliding panel in second side hole, and the 4th side opening is located at the
Three, between four sliding panels；Annular light source, image collecting device, wireless communication unit and control are fixed at the lower circular slab
Device, the annular light source, image collecting device, wireless communication unit, motor are connect with the controller.
Further, first connecting bracket and the second connecting bracket all have 4.
Further, first, second, third and fourth, five drawstrings do not have elasticity；The length of first, second, third and fourth drawstring is homogeneous
Deng.
Further, the first, second, third and fourth side opening is vertical strip through-hole；First side opening has multiple, is located at same
One height, and along the circumferencial direction equidistantly distributed of column；Second side opening has multiple, is located at sustained height, and along perpendicular
The circumferencial direction equidistantly distributed of cylinder；Third side opening has multiple, is located at sustained height, and along between circumferencial direction of column etc.
Away from distribution；4th side opening has multiple, is located at sustained height, and along the circumferencial direction equidistantly distributed of column.
Further, fixed plate is circular slab, and the distance of upper surface of the lower surface of fixed plate apart from lower circular slab is less than
10cm；When first, second, third and fourth drawstring is tightened, the distance of lower surface of the upper surface of the 4th sliding panel apart from upper circular slab is small
In 10cm, preferably smaller than 3cm.
Further, the lower surface of first, second, third and fourth stripe board is frosting.
Further, the lower surface of the first stripe board is red, and the lower surface of the second stripe board is green, third stripe board
Lower surface be yellow, the lower surface of Article 4 shape plate is purple.
Further, the color of the lower surface of the first, second, third and fourth stripe board is different between two.
The utility model has the advantages that filter bag heat-resistant fireproof of the invention, antiseptic property are good.Whether and it is damaged to be able to detect filter bag.
Detailed description of the invention
Fig. 1 filter bag ontology stratiform structural schematic diagram；
When Fig. 2 is that the first, second, third and fourth drawstring is tightened, dedusting filtering bag schematic diagram；
When Fig. 3 is that the first, second, third and fourth sliding panel bottoms out, dedusting filtering bag schematic diagram；
Fig. 4 is guide rod and the first, second, third and fourth sliding panel and the first, second, third and fourth stripe board elevational schematic view.
Specific embodiment
Appended drawing reference: 1.1 mounting plates；1.2 Circular Plate；Circular slab on 1.3；1.4 first connecting brackets；1.5 second connections
Bracket；1.7 grip block；1.8 bolt；2.1 vertical bar；2.2 circular ring shape units；3 columns；3.1 first side openings；3.2 second side openings；
3.3 third side openings；3.4 the 4th side openings；4 lower circular slabs；4.1 image collecting device；4.2 annular light source；5 fixed plates；5.1 first
Sliding panel；5.2 second sliding panels；5.3 third sliding panels；5.4 the 4th sliding panels；5.1.1 the first stripe board；5.2.1 Article 2
Shape plate；5.3.1 third stripe board；5.4.1 Article 4 shape plate；5.5 guide rod；5.6 motor；6.1 first drawstrings；6.2 second drawstrings；
6.3 third drawstrings；6.4 the 4th drawstrings；6.5 the 5th drawstrings；10 filter bag ontologies；10.1 alkali-free glass fibre base cloth layer；10.2 is poly-
Sub- amide Nomex；10.3 polytetrafluoroethylene (PTFE) D refraction statics felts.
A kind of dedusting filtering bag, including mounting plate 1.1, grip block 1.7, cage and filter bag ontology 10, the mounting plate and folder
Holding plate is circular ring shape, and the filter bag ontology covers outside cage, and the sack of the filter bag ontology is clamped in mounting plate and folder
It holds between plate, the mounting plate and grip block are bolted, and the cage includes multiple vertical bars 2.1 being parallel to each other and more
A circular ring shape unit 2.2 being parallel to each other, each vertical bar 2.1 are fixedly connected with all circular ring shape units 2.2, and all is perpendicular
Bar is fixedly connected with the mounting plate；The filter bag ontology includes base cloth layer 10.1, polyimide Nomex 10.2 and poly- four
Vinyl fluoride D refraction statics felt 10.3.
The base cloth layer is alkali-free glass fibre base cloth layer；The filter bag ontology further includes being coated in polytetrafluoroethylene (PTFE) three-dimensional
The band microporous poly tetrafluoroethylene on Nomex surface.Multiple vertical bars are welded and fixed with the mounting plate, each vertical bar and all
Circular ring shape unit is welded and fixed；The circular ring shape unit is annular pole, and the section of annular pole is circle.The vertical bar
Quantity is greater than 6；The mounting plate has multiple mounting holes.
It further include lower circular slab 4 in addition to whether be able to detect filter bag ontology damaged, the mounting plate passes through multiple the
One connecting bracket 1.4 is connected with Circular Plate 1.2, and the Circular Plate is connected with upper circular slab by multiple second connecting brackets 1.5
1.3, the lower circular slab is fixedly connected with the bottom end of all vertical bars 2.1, between the upper circular slab 1.3 and lower circular slab 4
It is fixed with column 3, transparent fixed plate 5 is fixed in the column, is fixedly connected between the upper circular slab and fixed plate
Section is in the guide rod 5.5 of octagon, and the motor 5.6 of motor shaft both ends stretching is fixed at the upper circular slab, motor shaft
Both ends are each provided with a winding device, and the guide rod passes through the first sliding panel 5.1, the second sliding panel 5.2, third sliding panel
5.3 and the 4th sliding panel 5.4, the first, second, third and fourth sliding panel arrange from top to bottom, the first, second, third and fourth sliding panel is circle
Plate and the through-hole with octagon, there are two be located at collinear first stripe board for the connection of the first sliding panel 5.1
5.1.1, there are two be located at collinear second stripe board 5.2.1, the third sliding panel for the connection of the second sliding panel 5.2
There are two collinear third stripe board 5.3.1 is located at, the 4th sliding panel 5.4 connection is same there are two being located at for 5.3 connections
Article 4 shape the plate 5.4.1, the first stripe board 5.1.1 and the second stripe board 5.2.1 of one straight line be in 45 degree of angles, described second
For stripe board 5.2.1 and third stripe board 5.3.1 at 45 degree of angles, the third stripe board 5.3.1 and Article 4 shape plate 5.4.1 are in 45
Spend angle, between the fixed plate and the first sliding panel connection there are two the first drawstring 6.1, the first sliding panel and the second sliding panel it
Between connection there are two the second drawstring 6.2, there are two third drawstrings 6.3 for connection between the second sliding panel and third sliding panel, described
There are two the 4th drawstring 6.4, the 4th sliding panel and each winding devices for connection between third sliding panel and the 4th sliding panel
Between be respectively connected with the 5th drawstring 6.5；There is the first side opening, the second side opening, third side opening and the 4th side at the column
Hole, when the first, second, third and fourth drawstring is in straight condition, the first side opening is between fixed plate and the first sliding panel, and
Between the first and second sliding panel, third side opening is located between second and third sliding panel two side openings, and the 4th side opening is located at third and fourth
Between sliding panel；Annular light source 4.2, image collecting device 4.1, wireless communication unit and control are fixed at the lower circular slab
Device, the annular light source, image collecting device, wireless communication unit, motor are connect with the controller.
First connecting bracket and the second connecting bracket all have 4.The first, second, third and fourth, five drawstrings do not have
Elasticity；First, second, third and fourth drawstring is equal in length.First, second, third and fourth side opening is vertical strip through-hole；First side
Hole has multiple, is located at sustained height, and along the circumferencial direction equidistantly distributed of column；Second side opening have it is multiple, be located at
Sustained height, and along the circumferencial direction equidistantly distributed of column；Third side opening have it is multiple, be located at sustained height, and along
The circumferencial direction equidistantly distributed of column；4th side opening has multiple, is located at sustained height, and along the circumferencial direction etc. of column
Spacing distribution.Fixed plate is circular slab, and the distance of upper surface of the lower surface of fixed plate 5 apart from lower circular slab 4 is less than 10cm；The
One, when two, three, four drawstrings are tightened, the distance of lower surface of the upper surface of the 4th sliding panel 5.4 apart from upper circular slab 1.3 is small
In 10cm.The lower surface of first, second, third and fourth stripe board is frosting.The lower surface of first stripe board is red, the
The lower surface of two stripe boards is green, and the lower surface of third stripe board is yellow, and the lower surface of Article 4 shape plate is purple.
Filter bag of the invention, since with multilayered structure, heat-resistant fireproof, antiseptic property are good, can be applied to more
Add harsh working environment.Whether and it is damaged to be able to detect filter bag ontology.
As shown, the air-flow with flue gas flows on the inside of filter bag ontology from filter bag outer body, dust is blocked on filter bag
On ontology.When normal use, control motor makes the first, second, third and fourth drawstring be in tensioned state, theoretically, first and second,
Three, the lower surface of four stripe boards will not adhesive dust.After a period of use, when needing to detect, motor is controlled, so that first,
Two, three, four stripe boards drop to lowest point, as shown in Fig. 2, and by image acquisition device image, be sent to control room,
By observing the lower surface of the first, second, third and fourth stripe board, whether adhesive dust judges whether filter bag is damaged to maintenance personnel.Such as
Fruit illustrates that breakage does not occur in filter bag without adhesive dust.When the equal adhesive dust of the first, second, third and fourth stripe board, illustrate brokenly
Damage is in below the first stripe board；If only second and third, adhesive dust at four stripe boards, illustrate breakage at first and second
Between shape plate；If only adhesive dust at third and fourth stripe board, illustrates breakage between second and third stripe board；If only
Only adhesive dust at Article 4 shape plate illustrates breakage between third and fourth stripe board.Why the first, second, third and fourth bar shaped
It is to be easier that dust is allowed to adhere to that plate, which is arranged to frosting,.Being arranged to different colors is to allow maintenance personnel to be easier to distinguish
Not.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (10)
1. a kind of dedusting filtering bag of multilayered structure, which is characterized in that described including mounting plate, grip block, cage and filter bag ontology
Mounting plate and grip block are circular ring shape, and the filter bag ontology covers outside cage, and the sack of the filter bag ontology is clamped in
Between mounting plate and grip block, the mounting plate and grip block are bolted, and the cage includes multiple is parallel to each other
Vertical bar and multiple circular ring shape units being parallel to each other, each vertical bar are fixedly connected with all circular ring shape units, and all is perpendicular
Bar is fixedly connected with the mounting plate；The filter bag ontology includes base cloth layer, polyimide Nomex and polytetrafluoroethylene (PTFE) three
Tie up Nomex.
2. the dedusting filtering bag of multilayered structure according to claim 1, which is characterized in that the base cloth layer is that alkali-free glass is fine
Wiki layer of cloth；The filter bag ontology further includes the band expanded microporous polytetra fluoroethylene-EPTEE coated in polytetrafluoroethylene (PTFE) D refraction statics felt surface
Film.
3. the dedusting filtering bag of multilayered structure according to claim 1, which is characterized in that multiple vertical bars and the mounting plate weld
Fixation is connect, each vertical bar is welded and fixed with all circular ring shape units；The circular ring shape unit is annular pole, annular pole
Section be circle.
4. the dedusting filtering bag of multilayered structure according to claim 1, which is characterized in that the quantity of the vertical bar is greater than 6；
The mounting plate has multiple mounting holes.
5. the dedusting filtering bag of multilayered structure according to claim 1, which is characterized in that further include lower circular slab, the peace
Loading board is connected with Circular Plate by multiple first connecting brackets, and the Circular Plate is connected with upper circle by multiple second connecting brackets
Shape plate, the lower circular slab are fixedly connected with the bottom end of all vertical bars, are fixed between the upper circular slab and lower circular slab
Column is fixed with transparent fixed plate in the column, and section is fixedly connected between the upper circular slab and fixed plate in just
Octagonal guide rod is fixed with the motor of motor shaft both ends stretching at the upper circular slab, and the both ends of motor shaft are each provided with one
A winding device, the guide rod pass through the first sliding panel, the second sliding panel, third sliding panel and the 4th sliding panel, first and second,
Three, four sliding panels arrange from top to bottom, the first, second, third and fourth sliding panel be plectane and with octagon through-hole, it is described
For the connection of first sliding panel there are two collinear first stripe board is located at, the second sliding panel connection is same there are two being located at
Second stripe board of straight line, there are two collinear third stripe board is located at, the described 4th is sliding for the third sliding panel connection
Movable plate connection is in 45 degree of angles, institute there are two collinear Article 4 shape plate, first stripe board and the second stripe board is located at
The second stripe board and third stripe board are stated into 45 degree of angles, the third stripe board and Article 4 shape plate are in 45 degree of angles, the fixation
There are two the first drawstrings for connection between plate and the first sliding panel, and there are two second for connection between the first sliding panel and the second sliding panel
Drawstring, there are two third drawstring, the third sliding panel and the 4th sliding panels for connection between the second sliding panel and third sliding panel
Between connection there are two the 4th drawstring, the 5th drawstring is respectively connected between the 4th sliding panel and each winding device；
There is the first side opening, the second side opening, third side opening and the 4th side opening, when the first, second, third and fourth drawstring is at the column
When straight condition, the first side opening between fixed plate and the first sliding panel, second side hole between the first and second sliding panel,
Third side opening is located between second and third sliding panel, and the 4th side opening is located between third and fourth sliding panel；Consolidate at the lower circular slab
Surely there are annular light source, image collecting device, wireless communication unit and a controller, it is the annular light source, image collecting device, wireless
Communication unit, motor are connect with the controller.
6. the dedusting filtering bag of multilayered structure according to claim 5, which is characterized in that first connecting bracket and second
Connecting bracket all has 4.
7. the dedusting filtering bag of multilayered structure according to claim 5, which is characterized in that first, second, third and fourth, five drawstrings are equal
Without elasticity；First, second, third and fourth drawstring is equal in length.
8. the dedusting filtering bag of multilayered structure according to claim 5, which is characterized in that the first, second, third and fourth side opening is
Vertical strip through-hole；First side opening has multiple, is located at sustained height, and along the circumferencial direction equidistantly distributed of column；
Second side opening has multiple, is located at sustained height, and along the circumferencial direction equidistantly distributed of column；Third side opening has more
It is a, it is located at sustained height, and along the circumferencial direction equidistantly distributed of column；4th side opening have it is multiple, be located at sustained height,
And along the circumferencial direction equidistantly distributed of column.
9. the dedusting filtering bag of multilayered structure according to claim 5, which is characterized in that fixed plate is circular slab, fixed plate
The distance of upper surface of the lower surface apart from lower circular slab be less than 10cm；When first, second, third and fourth drawstring is tightened, the 4th sliding
The distance of lower surface of the upper surface of plate apart from upper circular slab is less than 10cm.
10. the dedusting filtering bag of multilayered structure according to claim 1, which is characterized in that first, second, third and fourth bar shaped
The lower surface of plate is frosting；The lower surface of first stripe board is red, and the lower surface of the second stripe board is green, Article 3
The lower surface of shape plate is yellow, and the lower surface of Article 4 shape plate is purple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177724.8A CN109045863B (en) | 2018-10-10 | 2018-10-10 | Dust removal filter bag with multilayer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177724.8A CN109045863B (en) | 2018-10-10 | 2018-10-10 | Dust removal filter bag with multilayer structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109045863A true CN109045863A (en) | 2018-12-21 |
| CN109045863B CN109045863B (en) | 2020-10-02 |
Family
ID=64764541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811177724.8A Active CN109045863B (en) | 2018-10-10 | 2018-10-10 | Dust removal filter bag with multilayer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109045863B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111482010A (en) * | 2020-03-12 | 2020-08-04 | 江苏东方滤袋股份有限公司 | A wear-resistant dust filter bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550331A (en) * | 2018-12-25 | 2019-04-02 | 上海神舟汽车节能环保股份有限公司 | A kind of detection instrument and repair method of vehicle filtering device |
| CN111482010A (en) * | 2020-03-12 | 2020-08-04 | 江苏东方滤袋股份有限公司 | A wear-resistant dust filter bag |
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| Publication number | Publication date |
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| CN109045863B (en) | 2020-10-02 |
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Denomination of invention: A multi-layer structure dust removal filter bag Granted publication date: 20201002 Pledgee: Funing sub branch of Bank of China Ltd. Pledgor: JIANGSU DINGSHENG FILTER BAG Co.,Ltd. Registration number: Y2024980017749 |