CN206285640U - A kind of sack cleaner filter bay assembly - Google Patents
A kind of sack cleaner filter bay assembly Download PDFInfo
- Publication number
- CN206285640U CN206285640U CN201621459410.3U CN201621459410U CN206285640U CN 206285640 U CN206285640 U CN 206285640U CN 201621459410 U CN201621459410 U CN 201621459410U CN 206285640 U CN206285640 U CN 206285640U
- Authority
- CN
- China
- Prior art keywords
- bag
- conductive fiber
- carpet veneer
- acupuncture carpet
- head
- 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.)
- Active
Links
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model discloses a kind of sack cleaner filter bay assembly,Including bag head,Bag and bag bottom,Bag head includes the first acupuncture carpet veneer,Bag head tissue layer and the second acupuncture carpet veneer,The bag head conductive fiber of cross-shaped state is provided with bag head tissue layer,Bag includes the 3rd acupuncture carpet veneer,Bag tissue layer and the 4th acupuncture carpet veneer,Bag tissue layer is located between the 3rd acupuncture carpet veneer and the 4th acupuncture carpet veneer,Bag bottom includes the 5th acupuncture carpet veneer,Bag bottom fabric layer and the 6th acupuncture carpet veneer,Bag bottom fabric layer is located between the 5th acupuncture carpet veneer and the 6th acupuncture carpet veneer,Bag conductive fiber and bag bottom conductive fiber are respectively arranged with bag tissue layer and bag bottom fabric layer,The filter bay assembly also includes filter bag support frame,Filter bag support frame stretching is in filter bag,Filter bag support frame includes upper bracing ring,Lower bracing ring and some support bars,The two ends of each support bar are respectively welded in upper bracing ring and lower bracing ring,The filter bay assembly sound construction,Being capable of antistatic.
Description
Technical field
The utility model is related to deduster filter bag, more particularly to a kind of sack cleaner filter bay assembly.
Background technology
As industrial activity increases rapidly, smoke contamination is on the rise, what the pollution such as industrial smoke-dust, construction fugitive dust was caused
Particulate matter of the diameter less than 2.5 microns and more than 2.5 microns turns into the main pollutant of China at this stage, and haze weather is just in shadow
The life of people is rung, treating flour dust is extremely urgent.
All kinds of cleaners are commonly used in current industrial production, wherein, sack cleaner is widely used, and is available
One of maximally effective dust arrester type, and more than 99% collection efficiency is can reach for particulate matter, filter bag can be from various
Braiding or felt material or its mixture are made, including natural fiber, synthetic fibers or other fibers, such as glass, ceramics or metal
Fiber.There is the phenomenon of phase mutual friction in dust removal process, between dust in common filter bag type deduster, easily with electrostatic, this
Sample can cause filter bag to be easily damaged, and reduce service life, increased production cost, in addition, common filter bag is long-term making in dust
Under, filter bag is subject to larger pulling force, also results in filter bag and is damaged, and influences service life.
Utility model content
Technical problem to be solved in the utility model is：A kind of sack cleaner filter bay assembly is provided, the filter bag group
Part sound construction, with antistatic, can extend the service life of filter bag, reduce production cost, solve common filter bag in the past and hold
Electrostatic is also easy to produce, filter bag is easily damaged and the shorter problem of service life.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of sack cleaner filter bay assembly, bag
Bag head, bag and bag bottom are included, bag head and bag bottom are sutured in the two ends of bag respectively, and bag head is installed on the card of sack cleaner
On, the bag head includes the first acupuncture carpet veneer, bag head tissue layer and the second acupuncture carpet veneer, and bag head tissue layer is located at the first Nomex
Between layer and the second acupuncture carpet veneer, marsupial head conductive fiber is set, bag head conductive fiber is cross-shaped in the bag head tissue layer
State, the bag includes the 3rd acupuncture carpet veneer, bag tissue layer and the 4th acupuncture carpet veneer, and bag tissue layer is located at the 3rd Nomex
Between layer and the 4th acupuncture carpet veneer, the bag bottom includes the 5th acupuncture carpet veneer, bag bottom fabric layer and the 6th acupuncture carpet veneer, and bag bottom is knitted
Nitride layer is located between the 5th acupuncture carpet veneer and the 6th acupuncture carpet veneer, is respectively arranged with the bag tissue layer and bag bottom fabric layer
Bag conductive fiber and bag bottom conductive fiber, the bag conductive fiber and bag bottom conductive fiber and bag head conductive fiber are conductive
Connection, the filter bay assembly also includes filter bag support frame, the filter bag support frame stretching in filter bag, the shape of filter bag support frame with
Filter bag is adapted, and filter bag support frame includes upper bracing ring, lower bracing ring and some support bars, the two ends point of each support bar
It is not welded on bracing ring and lower bracing ring.
Used as a kind of preferred scheme, the bag head conductive fiber is uniformly distributed in warp and parallel.
As a kind of preferred scheme, inclined latticed of the bag head conductive fiber.
Used as a kind of preferred scheme, the bag head conductive fiber is in being spaced apart in warp and parallel, and bag head is conductive
Three warps are spaced between conductive fiber and conductive fiber of the fiber in warp, conduction of the bag head conductive fiber in parallel is fine
Three parallels are spaced between dimension and conductive fiber.
Used as a kind of preferred scheme, the bag conductive fiber is distributed in warp.
As a kind of preferred scheme, between conductive fiber and conductive fiber of the bag conductive fiber in warp between
Every three warps.
Used as a kind of preferred scheme, the bag conductive fiber is distributed in warp and parallel.
Used as a kind of preferred scheme, the filter bag is Wrinkled filter bag, the filter bag include the outer folding line of outwardly convex and
Inwardly protruded interior folding line, each support bar of filter bag support frame may be contained within outer folding line.
Used as a kind of preferred scheme, the bag head conductive fiber, bag conductive fiber and bag bottom conductive fiber are stainless
Steel metal silk or carbon steel metal silk.
As a kind of preferred scheme, the first acupuncture carpet veneer, the second acupuncture carpet veneer, the 3rd acupuncture carpet veneer, the 4th pin
Thorn carpet veneer, the 5th acupuncture carpet veneer and the 6th acupuncture carpet veneer are fiberglass needled mat layer.
After employing above-mentioned technical proposal, effect of the present utility model is：Due to a kind of sack cleaner filter bay assembly,
Including bag head, bag and bag bottom, bag head and bag bottom are sutured in the two ends of bag respectively, and bag head is installed on the card of sack cleaner
On, the bag head includes the first acupuncture carpet veneer, bag head tissue layer and the second acupuncture carpet veneer, and bag head tissue layer is located at the first Nomex
Between layer and the second acupuncture carpet veneer, marsupial head conductive fiber is set, bag head conductive fiber is cross-shaped in the bag head tissue layer
State, the bag includes the 3rd acupuncture carpet veneer, bag tissue layer and the 4th acupuncture carpet veneer, and bag tissue layer is located at the 3rd Nomex
Between layer and the 4th acupuncture carpet veneer, the bag bottom includes the 5th acupuncture carpet veneer, bag bottom fabric layer and the 6th acupuncture carpet veneer, and bag bottom is knitted
Nitride layer is located between the 5th acupuncture carpet veneer and the 6th acupuncture carpet veneer, is respectively arranged with the bag tissue layer and bag bottom fabric layer
Bag conductive fiber and bag bottom conductive fiber, the filter bay assembly also include filter bag support frame, and the filter bag support frame stretching is in filter
In bag, shape and the filter bag of filter bag support frame are adapted, and filter bag support frame includes upper bracing ring, lower bracing ring and some supports
Bar, the two ends of each support bar are respectively welded on upper bracing ring and lower bracing ring.On the one hand the filter bay assembly includes filter bag
Support frame, so structure of filter bag is more firm, be on the other hand respectively provided with bag head, bag, bag bottom marsupial head conductive fiber,
Bag conductive fiber and bag bottom conductive fiber, can effective antistatic, have particularly with industrial coal powder, flour etc. inflammable and easy
Free electrostatic charge can be derived and discharged by the dust-filtering of quick-fried property, conductive fiber in time, prevent static sparking from causing quick-fried
Fried and fire, extends the service life of filter bag, reduces production cost, substantially increases efficiency of dust collection, and entirely filters simultaneously
Bag increased bag tissue layer, bag bottom fabric layer and bag head tissue layer, and the firmness of filter bag is also improve to a certain degree.
Again because the bag head conductive fiber is uniformly distributed in warp and parallel, be conducive to antistatic, extend filter bag
Service life, substantially increase efficiency of dust collection.
Again due to inclined latticed of the bag head conductive fiber, bag head conductive fiber is increased with bag filter tubesheet
Contact area, can more effectively prevent electrostatic.
Again due to the bag head conductive fiber in warp and parallel in being spaced apart, bag head conductive fiber is in warp
Be spaced three warps between conductive fiber and conductive fiber, conductive fiber of the bag head conductive fiber in parallel and conductive fiber it
Between be spaced three parallels, ensure antistatic while, by production cost control in rational scope.
Again because the bag conductive fiber is distributed in warp, while antistatic is ensured, by production cost control
In rational scope.
Again because the filter bag is Wrinkled filter bag, the filter bag includes the outer folding line and inwardly protruded infolding of outwardly convex
Trace, each support bar of filter bag support frame may be contained within outer folding line, and the filter effect of the filter bag is more preferable, and filter bag support frame
Filter bag can effectively be propped up, it is to avoid filter bag weares and teares, influence life of bag filter.With the filter bag phase of the ordinary construction of comparable size
Than the fold of bag increased the quantity and density of bag conductive fiber, increase dust removal by filtration area, improve derivation electrostatic
The ability and filter capacity of lotus.
Again because the bag head conductive fiber, bag conductive fiber and bag bottom conductive fiber are stainless steel metal wire or carbon steel
Wire, can play good anti-static effect.
Again due to the first acupuncture carpet veneer, the second acupuncture carpet veneer, the 3rd acupuncture carpet veneer, the 4th acupuncture carpet veneer, the 5th pin
Thorn carpet veneer and the 6th acupuncture carpet veneer are fiberglass needled mat layer, high temperature resistant, corrosion-resistant, dimensionally stable, elongation shrinkage factor pole
Small, intensity is high.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is a kind of structural representation of all kinds of conductive fiber distributions of filter bag of the utility model embodiment；
Fig. 3 is the structural representation of all kinds of conductive fiber distributions of the utility model embodiment another kind filter bag；
Fig. 4 is the structure cut-away view of the utility model embodiment bag head material；
In accompanying drawing：1. bag bottom；2. bag；3. bag head；31. first acupuncture carpet veneers；32. second acupuncture carpet veneers；33. bags of heads are knitted
Nitride layer；4. bracing ring is gone up；5. bracing ring is descended；6. outer folding line；7. bag head conductive fiber；8. bag conductive fiber；9. bag bottom conduction
Fiber；10. folding line in.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
As shown in Figures 1 to 4, a kind of sack cleaner filter bay assembly, including bag first 3, bag 2 and bag bottom 1, first 3 He of bag
Bag bottom 1 is sutured in the two ends of bag 2 respectively, and bag first 3 is installed on the card of sack cleaner, and the bag first 3 includes the first pin
Thorn carpet veneer 31, bag head tissue layer 33 and the second acupuncture carpet veneer 32, bag head tissue layer 33 are located at the first acupuncture carpet veneer 31 and the second pin
Between thorn carpet veneer 32, marsupial head conductive fiber 7, the cross-shaped state of bag head conductive fiber 7, institute are set in the bag head tissue layer 33
Bag 2 is stated including the 3rd acupuncture carpet veneer, the fabric of bag 2 and the 4th acupuncture carpet veneer, the fabric of bag 2 is located at the 3rd acupuncture carpet veneer and the
Between four acupuncture carpet veneers, the bag bottom 1 includes the 5th acupuncture carpet veneer, the fabric of bag bottom 1 and the 6th acupuncture carpet veneer, the fabric of bag bottom 1 position
Between the 5th acupuncture carpet veneer and the 6th acupuncture carpet veneer, bag is respectively arranged with the fabric of the bag 2 and the fabric of bag bottom 1 conductive
Fiber 8 and bag bottom conductive fiber 9, in Fig. 1, the distribution of all kinds of conductive fibers is omitted and is not drawn into, the bag conductive fiber and bag bottom
Conductive fiber and bag head conductive fiber are conductively connected.The filter bay assembly also includes filter bag support frame, the filter bag support frame
In in filter bag, shape and the filter bag of filter bag support frame are adapted stretching, including upper bracing ring 4, lower bracing ring 5 and some supports
Bar, the two ends of each support bar are respectively welded on upper bracing ring 4 and lower bracing ring 5.
The bag head conductive fiber 7, bag conductive fiber 8 and bag bottom conductive fiber 9 are stainless steel metal wire or carbon steel gold
Category silk, the first acupuncture carpet veneer 31, the second acupuncture carpet veneer 32, the 3rd acupuncture carpet veneer, the 4th acupuncture carpet veneer, the 5th acupuncture carpet veneer
Fiberglass needled mat layer is with the 6th acupuncture carpet veneer.Acupuncture layer according to different use environment and use requirement, using not
Same fiber, it is possible to use terylene, aramid fiber, PPS, glass fibre etc..The fabric structure at bag 2 and bag bottom 1 and the fabric of bag first 3
Structure is similar.
In the present embodiment, the bag head conductive fiber 7 and bag bottom conductive fiber 9 are uniformly distributed in warp and parallel.Such as
Bag head conductive fiber 7 described in Fig. 2 and inclined latticed of bag bottom conductive fiber 9.The bag head conductive fiber 7 is in warp and latitude
In being spaced apart in line, three warps, bag head are spaced between conductive fiber and conductive fiber of the bag head conductive fiber 7 in warp
Three parallels are spaced between conductive fiber and conductive fiber of the conductive fiber 7 in parallel, the bag conductive fiber 8 is distributed in
In warp, three warps are spaced between conductive fiber and conductive fiber of the bag conductive fiber 8 in warp.Certainly, bag
Head conductive fiber 7 in horizontal direction with vertical direction staggeredly, as shown in Figure 3.
The bag conductive fiber 8 can also be distributed in warp and parallel simultaneously.Bag head conductive fiber 7, bag is conductive
Fiber 8 and bag bottom conductive fiber 9 be spaced apart situation can also according to the actual demand of dedusting carry out different selections and
Adjustment, for example, being spaced five warps, parallel between conductive fiber and conductive fiber of the bag head conductive fiber 7 in warp
In conductive fiber and conductive fiber between be spaced five parallels.Bag head conductive fiber 7, bag conductive fiber 8 and bag bottom are led
The three of electric fiber 9 can use identical distribution situation, it would however also be possible to employ different distribution situations.
In addition, in the present embodiment, the filter bag is Wrinkled filter bag, the filter bag includes the He of outer folding line 6 of outwardly convex
Inwardly protruded interior folding line 10, each support bar of filter bag support frame may be contained within outer folding line 6.The dedusting effect of Wrinkled filter bag
Fruit is more notable, can effectively improve efficiency of dust collection, and the distribution of support bar is then avoided that and struts bag as far as possible, it is to avoid bag
The excessive friction between support bar, so as to cause the abrasion of filter bag.
There is phase mutual friction in dust removal process, between dust, produce electrostatic, now, electrostatic passes through bag head conductive fiber
7th, the mutual conduction of bag conductive fiber 8 and the three of bag bottom conductive fiber 9, most electrostatic is derived by bag head conductive fiber 7 at last
To the card of sack cleaner, so as to accomplish the effect of antistatic.On the one hand the filter bay assembly includes filter bag support frame, so
Structure of filter bag is more firm, and marsupial head conductive fiber 7, bag is on the other hand respectively provided with bag first 3, bag 2, bag bottom 1 leads
Electric fiber 8 and bag bottom conductive fiber 9, can effective antistatic, extend the service life of filter bag, reduce production cost, greatly
Improve efficiency of dust collection greatly.
Embodiment described above is only the description to preferred embodiment of the present utility model, not as to the utility model
The restriction of scope, on the basis of the utility model design spirit is not departed from, what technical solutions of the utility model were made is various
Deformation and transformation, all should fall into the protection domain that claims of the present utility model determine.
Claims (10)
1. a kind of sack cleaner filter bay assembly, including bag head, bag and bag bottom, bag head and bag bottom are sutured in bag respectively
Two ends, bag head is installed on the card of sack cleaner, it is characterised in that：The bag head includes that the first acupuncture carpet veneer, bag head are knitted
Nitride layer and the second acupuncture carpet veneer, bag head tissue layer are located between the first acupuncture carpet veneer and the second acupuncture carpet veneer, the bag head fabric
Marsupial head conductive fiber, bag head conductive fiber cross-shaped state are set in layer, and the bag includes that the 3rd acupuncture carpet veneer, bag are knitted
Nitride layer and the 4th acupuncture carpet veneer, bag tissue layer are located between the 3rd acupuncture carpet veneer and the 4th acupuncture carpet veneer, and the bag bottom includes
5th acupuncture carpet veneer, bag bottom fabric layer and the 6th acupuncture carpet veneer, bag bottom fabric layer are located at the 5th acupuncture carpet veneer and the 6th Nomex
Between layer, bag conductive fiber and bag bottom conductive fiber, the bag are respectively arranged with the bag tissue layer and bag bottom fabric layer
Body conductive fiber and bag bottom conductive fiber and bag head conductive fiber are conductively connected, and the filter bay assembly is also supported including filter bag
Frame, in filter bag, shape and the filter bag of filter bag support frame are adapted the filter bag support frame stretching, and filter bag support frame includes upper branch
Support ring, lower bracing ring and some support bars, the two ends of each support bar are respectively welded on upper bracing ring and lower bracing ring.
2. a kind of sack cleaner filter bay assembly as claimed in claim 1, it is characterised in that：The bag head conductive fiber is equal
It is even to be distributed in warp and parallel.
3. a kind of sack cleaner filter bay assembly as claimed in claim 2, it is characterised in that：The bag head conductive fiber is in
It is inclined latticed.
4. a kind of sack cleaner filter bay assembly as claimed in claim 2, it is characterised in that：The bag head conductive fiber exists
In being spaced apart in warp and parallel, three warps are spaced between conductive fiber and conductive fiber of the bag head conductive fiber in warp
Line, is spaced three parallels between conductive fiber and conductive fiber of the bag head conductive fiber in parallel.
5. a kind of sack cleaner filter bay assembly as described in any one of Claims 1-4, it is characterised in that：The bag
Conductive fiber is distributed in warp.
6. a kind of sack cleaner filter bay assembly as claimed in claim 5, it is characterised in that：The bag conductive fiber exists
Three warps are spaced between conductive fiber and conductive fiber in warp.
7. a kind of sack cleaner filter bay assembly as described in any one of Claims 1-4, it is characterised in that：The bag
Conductive fiber is distributed in warp and parallel.
8. a kind of sack cleaner filter bay assembly as claimed in claim 5, it is characterised in that：The filter bag is filtered for Wrinkled
Bag, the filter bag includes the outer folding line and inwardly protruded interior folding line of outwardly convex, and each support bar of filter bag support frame is respectively provided with
At outer folding line.
9. a kind of sack cleaner filter bay assembly as claimed in claim 8, it is characterised in that：The bag head conductive fiber,
Bag conductive fiber and bag bottom conductive fiber are stainless steel metal wire or carbon steel metal silk.
10. a kind of sack cleaner filter bay assembly as claimed in claim 9, it is characterised in that：The first acupuncture carpet veneer,
Second acupuncture carpet veneer, the 3rd acupuncture carpet veneer, the 4th acupuncture carpet veneer, the 5th acupuncture carpet veneer and the 6th acupuncture carpet veneer are glass fibre
Acupuncture carpet veneer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459410.3U CN206285640U (en) | 2016-12-28 | 2016-12-28 | A kind of sack cleaner filter bay assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459410.3U CN206285640U (en) | 2016-12-28 | 2016-12-28 | A kind of sack cleaner filter bay assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206285640U true CN206285640U (en) | 2017-06-30 |
Family
ID=59155271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459410.3U Active CN206285640U (en) | 2016-12-28 | 2016-12-28 | A kind of sack cleaner filter bay assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206285640U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432897A (en) * | 2018-12-05 | 2019-03-08 | 江苏华泽环保集团有限公司 | A kind of PF acid/alkali-proof composite needled felt |
| CN110064247A (en) * | 2019-05-16 | 2019-07-30 | 苏州海蓝环保科技有限公司 | A kind of dedicated filtrate of sintering machine tail desulfurization and dedusting and production technology |
| CN111298531A (en) * | 2020-02-28 | 2020-06-19 | 安徽昊华环保科技有限公司 | PPS (polyphenylene sulfide) modified acid-base-resistant high-temperature-resistant oxidation-resistant dust removal filter bag |
-
2016
- 2016-12-28 CN CN201621459410.3U patent/CN206285640U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432897A (en) * | 2018-12-05 | 2019-03-08 | 江苏华泽环保集团有限公司 | A kind of PF acid/alkali-proof composite needled felt |
| CN110064247A (en) * | 2019-05-16 | 2019-07-30 | 苏州海蓝环保科技有限公司 | A kind of dedicated filtrate of sintering machine tail desulfurization and dedusting and production technology |
| CN111298531A (en) * | 2020-02-28 | 2020-06-19 | 安徽昊华环保科技有限公司 | PPS (polyphenylene sulfide) modified acid-base-resistant high-temperature-resistant oxidation-resistant dust removal filter bag |
| CN111298531B (en) * | 2020-02-28 | 2021-11-16 | 安徽昊华环保科技有限公司 | PPS (polyphenylene sulfide) modified acid-base-resistant high-temperature-resistant oxidation-resistant dust removal filter bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206285640U (en) | A kind of sack cleaner filter bay assembly | |
| CN203954874U (en) | A kind of efficient filtrate that comprises spunbond base cloth layer | |
| CN105642065A (en) | Electric-bag composite dust collector with metal filter bag | |
| CN107744690A (en) | MULTILAYER COMPOSITE felt is used in one kind filtering | |
| CN206762481U (en) | A kind of polytetrafluoroethylene film high temperature resistant composite dust settling pocket | |
| CN206996108U (en) | A kind of long bag pulse deduster movable frame | |
| CN205659529U (en) | Metal filter bag electrostatic fabric filter | |
| CN201154259Y (en) | Novel high-efficiency, long life and high temperature resistant filtering material | |
| CN209809760U (en) | Easily clean filter screen | |
| CN211215885U (en) | Basalt ultra-high temperature flue gas filter bag | |
| CN106955552A (en) | Metallurgical rotary drum dryer main flue gas dedusting electric-bag complex dust collector | |
| CN208757149U (en) | A kind of bag-type dust ash bucket connection structure | |
| CN202458207U (en) | Dust collector with high-temperature resistant filter system | |
| CN201959678U (en) | High-temperature resistance filter cartridge | |
| CN207722499U (en) | A kind of deduster filter bag | |
| CN208356316U (en) | A kind of flue dust environmental protection filtering filter bag | |
| CN220142852U (en) | High-temperature-resistant non-deformable environment-friendly filter bag | |
| CN218870150U (en) | High-strength cross-section fiber dust removal cloth bag | |
| CN208193942U (en) | The fluffy filter felt of air cleaning glass fibre | |
| CN210590823U (en) | Metal fiber based multi-layer fabric | |
| CN211098081U (en) | Single-machine dust removal device for freeze-dried powder manufacturing | |
| CN206560745U (en) | A kind of Contiuum type terylene needled felt filter bag | |
| CN203790734U (en) | Dust remover filtering bag with good filtering effect | |
| CN218740787U (en) | Dust removal filter bag with large filter area | |
| CN206560746U (en) | A kind of spring folding formula dedusting filtering bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |