CN107670433A - The carrier structure of filter and the method for manufacturing filter - Google Patents
The carrier structure of filter and the method for manufacturing filter Download PDFInfo
- Publication number
- CN107670433A CN107670433A CN201711147359.1A CN201711147359A CN107670433A CN 107670433 A CN107670433 A CN 107670433A CN 201711147359 A CN201711147359 A CN 201711147359A CN 107670433 A CN107670433 A CN 107670433A
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- China
- Prior art keywords
- filtering body
- sponge filtering
- notch
- groove
- sponge
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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
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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
- B01D46/0001—Making filtering elements
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
- B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Gases By Adsorption (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of carrier structure of filter, including that can supply the sponge filtering body (1) flowed through, the one or both sides of described sponge filtering body (1) offer a plurality of depth less than sponge filtering body (1) thickness and are divided into polylith to be connected lamellar body (1a) groove of the notch (2) sponge filtering body (1).The carrier structure is simple, and production efficiency is high, can substantially improve filter filter effect.Invention additionally discloses the method for manufacture filter, comprise the following steps：A：The groove of the notch is cut out in sponge filtering body；B：Adsorbent is covered in leaching in sponge filtering body；C：Dry；D：Isolated part is set in the groove of the notch；E：Housing is set.Or comprise the following steps：A：Adsorbent is covered in leaching in sponge filtering body；B：Dry；C：The groove of the notch is cut out in sponge filtering body；D：Isolated part is set in the groove of the notch；E：Housing is set.The method of this manufacture filter is simple, efficiency high.
Description
【Technical field】
The present invention relates to the carrier structure of filter, and the invention further relates to the method for manufacture filter.
【Background technology】
Sponge is commonly used for the carrier of filter because permeability is good, volume is big.It is mainly used in removing in air
Pollutant, the different dusty gas of different adsorbent can adsorption filtrations is coated on this carrier of sponge, so as to reach
To the purpose of purification of air.Traditional sponge carrier structure is made by the single sponge sheet system of multi-disc, passes through bar shaped connection clip
Adjacent sponge lamellar body is clamped, i.e., first sponge lamellar body and second sponge lamellar body is clamped using connection clip and connected, by the
Two sponge lamellar bodies and the 3rd fear that lamellar body clamps and connect, and so on, so as to clamp adjacent sponge lamellar body successively.But
Following deficiency be present in traditional sponge carrier structure：The use of excessive bar shaped connection clip reduce whole sponge carrier structure with
Effective contact area of air, air flows through connection clip position can not be by reducing filter efficiency and filter effect, producing
Quality has considerable room for improvement, and low production efficiency.In addition, the manufacture of the filter of traditional sponge carrier structure
It is that single lamellar body is put into adsorbent stock tank to carry out leaching and cover processing when coating adsorbent to sponge carrier in technique,
Need to be put into blocks ofly, take out blocks ofly, low production efficiency.
Therefore, the present invention is based on the insufficient and caused of the above.
【The content of the invention】
The present invention seeks to overcome the deficiencies in the prior art, there is provided simple in construction, production efficiency is high, can substantially improve
The carrier structure of filter filter effect.
The method that the present invention also provides the high manufacture filter of production efficiency.
The present invention is achieved by the following technical solutions：
A kind of carrier structure of filter, it is characterised in that：It is described including the sponge filtering body 1 flowed through can be supplied
The one or both sides of sponge filtering body 1 offer a plurality of depth less than the thickness of sponge filtering body 1 and splitting sponge filtering body 1
Be connected the lamellar body 1a groove of the notch 2 into polylith.
The carrier structure of filter as described above, it is characterised in that：Described carrier structure also includes inserting otch
Groove 2 is interior and space between adjacent lamellar body 1a isolated part 3, described isolated part 3 include support frame 31, and described support frame 31 wraps
Include at least two spaced support bars 311, both multiple connections and convex to the two side are provided between two support bars 311
The framework 32 gone out, described framework 32 are inserted into the groove of the notch 2 and strut adjacent lamellar body 1a.
The carrier structure of filter as described above, it is characterised in that：Described framework 32 includes connecting with support bar 311
The tilting section 321 connect, linkage section 322 is provided between two tilting sections 321, described linkage section 322 encloses with two tilting sections 321
In echelon, and the length of linkage section 322 is less than the distance between two support bars 311.
The carrier structure of filter as described above, it is characterised in that：Described support frame 31 also includes being connected to two
Make the connecting rod 312 that support frame 31 is in four frame shapes between support bar 311.
A kind of method for manufacturing filter, it is characterised in that：Comprise the following steps：
A：The a plurality of spaced groove of the notch 2, the depth of the described groove of the notch 2 are cut out in the one or both sides of sponge filtering body 1
Degree is less than the thickness of sponge filtering body 1 and sponge filtering body 1 is divided into the connected lamellar body 1a of polylith；
B：The sponge filtering body 1 for having cut the groove of the notch 2 is put into be loaded with the container of adsorbent 4 and carries out dipping process；
C：The sponge filtering body 1 for having coated adsorbent 4 is taken out, and is dried；
D：Isolated part 3 is set in each groove of the notch 2, so that adjacent lamellar body 1a is separated；
E：The housing 5 being connected with isolated part 3 is set in the outside of sponge filtering body 1.
The method of manufacture filter as described above, it is characterised in that：Described isolated part 3 includes support frame 31,
Described support frame 31 includes at least two spaced support bars 311, and multiple connections two are provided between two support bars 311
Person and the framework 32 protruded to the two side, described framework 32 are inserted into the groove of the notch 2 and strut adjacent lamellar body 1a.
The method of manufacture filter as described above, it is characterised in that：Described framework 32 includes connecting with support bar 311
The tilting section 321 connect, linkage section 322 is provided between two tilting sections 321, described linkage section 322 encloses with two tilting sections 321
In echelon, and the length of linkage section 322 is less than the distance between two support bars 311.
The method of another kind manufacture filter, it is characterised in that：Comprise the following steps：
A：Sponge filtering body 1 is put into be loaded with the container of adsorbent 4 and carries out leaching and covers processing；
B：The sponge filtering body 1 for having coated adsorbent 4 is taken out, and is dried；
C：The a plurality of spaced groove of the notch 2, the depth of the described groove of the notch 2 are cut out in the one or both sides of sponge filtering body 1
Degree is less than the thickness of sponge filtering body 1 and sponge filtering body 1 is divided into the connected lamellar body 1a of polylith；
D：Isolated part 3 is set in each groove of the notch 2, so that adjacent lamellar body 1a is separated；
E：The housing 5 being connected with isolated part 3 is set in the outside of sponge filtering body 1.
Compared with prior art, the present invention has the following advantages：
1st, the one or both sides of the sponge filtering body of carrier structure of the present invention offer a plurality of depth and are less than sponge filtering body
Thickness and it is divided into polylith to be connected the groove of the notch of lamellar body sponge filtering body, the isolation of space between adjacent lamellar body is provided with the groove of the notch
Part.Therefore, sponge filtering body is not completely severed, and sponge filtering body is still an overall structure, avoids tradition
The use of connection clip in carrier structure, effective contact area of carrier structure and air can be increased, improve filter efficiency and mistake
Effect is filtered, and both sides have been opened the sponge filtering body of the groove of the notch and can also extended by cross directional stretch, go for different size
Passage section application scenario.Only need to be in the one or both sides grooving of sponge filtering body during production, it is no longer necessary to artificial company
Connect folder and connect adjacent sponge lamellar body, production efficiency also greatly improves.
2nd, the isolated part of carrier structure of the present invention includes support frame, and support frame includes at least two spaced supports
Bar, is provided with both multiple connections and the framework protruded to the two side between two support bars, framework be inserted into the groove of the notch and
Adjacent lamellar body is strutted.Production when, framework is inserted into the groove of the notch in sponge filtering body, by change adjacent frame it
Between interval with regard to the expansion degree of sponge filtering body can be controlled, interval is smaller, and the expansion degree of sponge filtering body is small, air draught
Low by the flow velocity of filter, the ability for filtering pollutants in air is strong；And it is spaced bigger, the expansion degree of sponge filtering body
Greatly, air draught is high by the flow velocity of filter, filters the ability of pollutants in air and reduces.Therefore, can be according to reality
The filtering requirement of occasion sets the interval of adjacent frame, so as to reaching the effect suited measures to local conditions.
3rd, the method for present invention manufacture filter is simple, efficiency high, is adapted to popularization and application.
【Brief description of the drawings】
Fig. 1 is the stereogram of the carrier structure of filter of the present invention；
Fig. 2 is the side view of isolated part；
Fig. 3 is the front view of isolated part；
Fig. 4 is the upward view of isolated part；
Fig. 5 is that sponge filtering body both sides open up the schematic diagram after the groove of the notch；
Fig. 6 is the schematic diagram of sponge filtering body coating adsorbent；
Fig. 7 is the schematic diagram that isolated part is set toward in sponge filtering body；
Fig. 8 is the schematic diagram that sponge filtering body is provided with after isolated part；
Fig. 9 is the sectional view of air filter；
Figure 10 is the front view of air filter；
Figure 11 is the sponge filtering body of the present invention only in the schematic diagram of side fluting.
【Embodiment】
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 5, the carrier structure of filter, including the sponge filtering body 1 flowed through, described sponge can be supplied
The both sides of filtering body 1 offer a plurality of depth less than the thickness of sponge filtering body 1 and sponge filtering body 1 are divided into polylith phase respectively
The body 1a groove of the notch 2 in flakes.Therefore, sponge filtering body 1 is not completely severed, and sponge filtering body 1 is still an entirety
Structure, and being extended by cross directional stretch, avoids the use of connection clip in conventional carriers structure, can increase carrier structure with
Effective contact area of air, improves filter efficiency and filter effect, only need to be in the both sides grooving of sponge filtering body 1, no during production
Need manually to connect adjacent sponge lamellar body with connection clip again, production efficiency also greatly improves.In actual production, can first by
The leaching of sponge filtering body 1 opens up the groove of the notch 2 after covering adsorbent, can also open up and carry out leaching again after the groove of the notch 2 and cover adsorbent, adsorbent
It can be the material that activated carbon etc. has adsorption capacity.After foregoing sorbent coated is in sponge filtering body 1, work as air draught
By during sponge filtering body 1 with regard to removing can be adsorbed by adsorbent.Pollutant component different in air is removed in order to reach filtering
Purpose, different adsorbents can be coated in sponge filtering body 1.Opening up the groove of the notch 2 can be cut or other flutings by cut-off knife
Means.
As shown in figure 11, sponge filtering body 1 only can also open up the groove of the notch 2, this carrier structure degree of stretch in side
It is slightly lower, the flow passing position suitable for not needing big stretch sponge filtering body 1.
As shown in Figures 1 to 4, described carrier structure also include inserting in the groove of the notch 2 and space between adjacent lamellar body 1a every
From part 3, described isolated part 3 includes support frame 31, and described support frame 31 includes at least two spaced supports
Bar 311, both multiple connections and the framework 32 protruded to the two side, described framework 32 are provided between two support bars 311
It is inserted into the groove of the notch 2 and struts adjacent lamellar body 1a.In production, framework 32 is inserted into the otch in sponge filtering body 1
In groove 2, the expansion degree of sponge filtering body 1 just can be controlled by changing the interval between adjacent frame 32, is spaced smaller, sponge
The expansion degree of filtering body 1 is small, and air draught is low by the flow velocity of filter, and the ability for filtering pollutants in air is strong；And
Interval is bigger, and the expansion degree of sponge filtering body 1 is big, and air draught is high by the flow velocity of filter, crosses in air filtering and pollutes
The ability of thing reduces.Therefore, the interval of adjacent frame 32 can be set according to the filtering requirement of practical matter, so as to reach because
The effect of ground suiting measures to different conditions.
As shown in figure 4, described framework 32 includes the tilting section 321 that is connected with support bar 311, two tilting sections 321 it
Between be provided with linkage section 322, described linkage section 322 surrounded with two tilting sections 321 it is trapezoidal, it is of course also possible to be to surround triangle
The other shapes such as shape, and the length of linkage section 322 is less than the distance between two support bars 311.Therefore, the length of linkage section 322
Degree adds the contact area of sponge filtering body 1 and air, imitated so as to improve filtering as far as possible less than the width of sponge filtering body 1
Fruit.
As shown in figure 3, described support frame 31 also includes being connected between two support bars 311 and making support frame 31 be in four sides
The connecting rod 312 of frame shape.
As shown in Fig. 5 to Figure 10, the method that manufactures filter comprises the following steps：
A:Cut out a plurality of spaced groove of the notch 2, the depth of the described groove of the notch 2 respectively in the both sides of sponge filtering body 1
Less than sponge filtering body 1 thickness and sponge filtering body 1 is divided into the connected lamellar body 1a (as shown in Figure 5) of polylith；
B：The sponge filtering body 1 for having cut open slot 2 is put into be loaded with the container of adsorbent 4 and carries out leaching and covers processing
(as shown in Figure 6)；
D：The sponge filtering body 1 for having coated adsorbent 4 is taken out, and is dried；
E：Isolated part 3 is set in each groove of the notch 2, so that adjacent lamellar body 1a is separated, described isolated part 3
Including support frame 31, described support frame 31 includes at least two spaced support bars 311, between two support bars 311
The framework 32 protruded provided with both multiple connections and to the two side, described framework 32 be inserted into the groove of the notch 2 and will be adjacent
Lamellar body 1a strut, described framework 32 includes the tilting section 321 that is connected with support bar 311, is provided between two tilting sections 321
Linkage section 322, described linkage section 322 surrounded with two tilting sections 321 it is trapezoidal, and the length of linkage section 322 be less than two
The distance between strut 311 (as shown in Figure 7 and Figure 8)；
F：The housing 5 (as shown in Figure 9 and Figure 10) being connected with isolated part 3 is set in the outside of sponge filtering body 1.
Certainly, manufacture the method for filter or comprise the following steps：
A：Sponge filtering body 1 is put into be loaded with the container of adsorbent 4 and carries out leaching and covers processing, allows adsorbent 4 to adhere to
In sponge filtering body 4, adsorbent 4 can be the purification of air with adsorption capacity for containing activated carbon, glue and catalyst
Material；
B：The sponge filtering body 1 for having coated adsorbent 4 is taken out, and is dried；
C：Cut out a plurality of spaced groove of the notch 2, the depth of the described groove of the notch 2 respectively in the both sides of sponge filtering body 1
Less than sponge filtering body 1 thickness and sponge filtering body 1 is divided into the connected lamellar body 1a of polylith；
D：Isolated part 3 is set in each groove of the notch 2, so that adjacent lamellar body 1a is separated；
E：The housing 5 being connected with isolated part 3 is set in the outside of sponge filtering body 1.
If carrier structure only need to open up the groove of the notch 2 in the side of sponge filtering body 1, then just only in sea in above step
The side of continuous filtering body 1 opens up the groove of the notch.
In the method for present invention manufacture filter, it is less than sponge by distinguishing cutting depth in the both sides of sponge filtering body 1
The groove of the notch 2 of the thickness of filtering body 1, production efficiency is very high, and make it that sponge filtering body 1 is still an overall structure, can
Ensure the filter effect of filter, and sponge filtering body 1 is folded or is extended, can be according to the mistake of practical matter
Filter demand adjusts the degree of stretch of sponge filtering body 1.And in the processing step toward coating adsorbent 4 in sponge filtering body 1
In, overall be put into adsorbent of whole sponge filtering body 1 is carried out leaching and cover processing, adsorbent 4 can be quickly coated, compared to tradition
The technique for needing to place and fetch one by one sponge lamellar body in technique, production efficiency is substantially increased, reduce entreprise cost.
Claims (8)
- A kind of 1. carrier structure of filter, it is characterised in that：It is described including the sponge filtering body (1) flowed through can be supplied The one or both sides of sponge filtering body (1) offer a plurality of depth less than sponge filtering body (1) thickness and by sponge filtering body (1) it is divided into polylith to be connected lamellar body (1a) groove of the notch (2).
- 2. the carrier structure of filter according to claim 1, it is characterised in that：Described carrier structure also includes putting Enter in the groove of the notch (2) and the isolated part (3) of space between adjacent lamellar body (1a), described isolated part (3) include support frame (31), Described support frame (31) includes at least two spaced support bars (311), is provided between two support bars (311) multiple Connection the two and the framework (32) that is protruded to the two side, described framework (32) be inserted into the groove of the notch (2) and will be adjacent Lamellar body (1a) struts.
- 3. the carrier structure of filter according to claim 2, it is characterised in that：Described framework (32) includes and branch The tilting section (321) of strut (311) connection, is provided with linkage section (322), described linkage section between two tilting sections (321) (322) surrounded with two tilting sections (321) it is trapezoidal, and the length of linkage section (322) be less than two support bars (311) between away from From.
- 4. the carrier structure of filter according to claim 2, it is characterised in that：Described support frame (31) also includes It is connected between two support bars (311) and makes the connecting rod (312) that support frame (31) is in four frame shapes.
- A kind of 5. method for manufacturing filter, it is characterised in that：Comprise the following steps：A：The a plurality of spaced groove of the notch (2) is cut out in sponge filtering body (1) one or both sides, the described groove of the notch (2) Depth is less than the thickness of sponge filtering body (1) and sponge filtering body (1) is divided into the connected lamellar body (1a) of polylith；B：The sponge filtering body (1) for having cut the groove of the notch (2) is put into be loaded with the container of adsorbent (4) and carried out at impregnation Reason；C：Taking-up has coated the sponge filtering body (1) of adsorbent (4), and dries；D：Isolated part (3) is set in each groove of the notch (2), so that adjacent lamellar body (1a) separates；E：The housing (5) being connected with isolated part (3) is set on the outside of sponge filtering body (1).
- 6. the method for manufacture filter according to claim 5, it is characterised in that：Described isolated part (3) includes Support frame (31), described support frame (31) include at least two spaced support bars (311), two support bars (311) Between be provided with both multiple connections and the framework (32) protruded to the two side, described framework (32) is inserted into the groove of the notch (2) It is interior and strut adjacent lamellar body (1a).
- 7. the method for manufacture filter according to claim 6, it is characterised in that：Described framework (32) includes and branch The tilting section (321) of strut (311) connection, is provided with linkage section (322), described linkage section between two tilting sections (321) (322) surrounded with two tilting sections (321) it is trapezoidal, and the length of linkage section (322) be less than two support bars (311) between away from From.
- 8. manufacture the method for filter, it is characterised in that：Comprise the following steps：A：Sponge filtering body (1) is put into be loaded with the container of adsorbent (4) and carries out leaching and covers processing；B：Taking-up has coated the sponge filtering body (1) of adsorbent (4), and dries；C：The a plurality of spaced groove of the notch (2) is cut out in sponge filtering body (1) one or both sides, the described groove of the notch (2) Depth is less than the thickness of sponge filtering body (1) and sponge filtering body (1) is divided into the connected lamellar body (1a) of polylith；D：Isolated part (3) is set in each groove of the notch (2), so that adjacent lamellar body (1a) separates；E：The housing (5) being connected with isolated part (3) is set on the outside of sponge filtering body (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147359.1A CN107670433A (en) | 2017-11-17 | 2017-11-17 | The carrier structure of filter and the method for manufacturing filter |
| PCT/CN2018/102415 WO2019095769A1 (en) | 2017-11-17 | 2018-08-27 | Carrier structure of filter device and method of manufacturing filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147359.1A CN107670433A (en) | 2017-11-17 | 2017-11-17 | The carrier structure of filter and the method for manufacturing filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107670433A true CN107670433A (en) | 2018-02-09 |
Family
ID=61150261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711147359.1A Pending CN107670433A (en) | 2017-11-17 | 2017-11-17 | The carrier structure of filter and the method for manufacturing filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107670433A (en) |
| WO (1) | WO2019095769A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464865A (en) * | 2018-12-29 | 2019-03-15 | 北京金风科创风电设备有限公司 | Filtering device, tower drum door, tower drum and test method of tower drum door |
| WO2019095769A1 (en) * | 2017-11-17 | 2019-05-23 | 中山尚诚环保科技有限公司 | Carrier structure of filter device and method of manufacturing filter device |
| CN114160309A (en) * | 2021-11-25 | 2022-03-11 | 中山尚诚环保科技有限公司 | Manufacturing method of flexible electrostatic sheet main body, flexible electrostatic sheet main body and filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436892A (en) * | 2014-12-05 | 2015-03-25 | 任方禄 | Air filter of air conditioner system |
| CN106925043A (en) * | 2017-05-16 | 2017-07-07 | 盐城灌桥商贸有限公司 | A kind of automobile air-conditioning filter filter core |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006231098A (en) * | 2005-02-22 | 2006-09-07 | Kondo Kogyo Kk | Filter apparatus |
| CN201470263U (en) * | 2009-08-19 | 2010-05-19 | 长春科德宝·宝翎滤清器有限公司 | Filtering core |
| CN207614544U (en) * | 2017-11-17 | 2018-07-17 | 中山尚诚环保科技有限公司 | The carrier structure of filter device |
| CN107670433A (en) * | 2017-11-17 | 2018-02-09 | 中山尚诚环保科技有限公司 | The carrier structure of filter and the method for manufacturing filter |
-
2017
- 2017-11-17 CN CN201711147359.1A patent/CN107670433A/en active Pending
-
2018
- 2018-08-27 WO PCT/CN2018/102415 patent/WO2019095769A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436892A (en) * | 2014-12-05 | 2015-03-25 | 任方禄 | Air filter of air conditioner system |
| CN106925043A (en) * | 2017-05-16 | 2017-07-07 | 盐城灌桥商贸有限公司 | A kind of automobile air-conditioning filter filter core |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095769A1 (en) * | 2017-11-17 | 2019-05-23 | 中山尚诚环保科技有限公司 | Carrier structure of filter device and method of manufacturing filter device |
| CN109464865A (en) * | 2018-12-29 | 2019-03-15 | 北京金风科创风电设备有限公司 | Filtering device, tower drum door, tower drum and test method of tower drum door |
| CN109464865B (en) * | 2018-12-29 | 2021-07-23 | 北京金风科创风电设备有限公司 | Filtering device, tower drum door, tower drum and test method of tower drum door |
| CN114160309A (en) * | 2021-11-25 | 2022-03-11 | 中山尚诚环保科技有限公司 | Manufacturing method of flexible electrostatic sheet main body, flexible electrostatic sheet main body and filter |
| CN114160309B (en) * | 2021-11-25 | 2022-11-04 | 中山尚诚环保科技有限公司 | Manufacturing method of flexible electrostatic sheet main body, flexible electrostatic sheet main body and filter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019095769A1 (en) | 2019-05-23 |
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Application publication date: 20180209 |