CN110394002A - A kind of pleated filter cylinder and preparation method thereof - Google Patents
A kind of pleated filter cylinder and preparation method thereof Download PDFInfo
- Publication number
- CN110394002A CN110394002A CN201910761408.3A CN201910761408A CN110394002A CN 110394002 A CN110394002 A CN 110394002A CN 201910761408 A CN201910761408 A CN 201910761408A CN 110394002 A CN110394002 A CN 110394002A
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- Prior art keywords
- filtrate
- filter core
- filter
- strainer
- fold
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- 238000002360 preparation method Methods 0.000 title abstract description 4
- 239000000706 filtrate Substances 0.000 claims abstract description 94
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 16
- 239000012943 hotmelt Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 230000037303 wrinkles Effects 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 11
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000779 smoke 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
- B01D46/0001—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
- B01D46/52—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
- B01D46/525—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material which comprises flutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of air filtration technical fields, more specifically, it is related to a kind of pleated filter cylinder and preparation method thereof, its key points of the technical solution are that: including filter core and the top cover that cylindrical filter cartridge upper end is arranged in and the bottom cover that filter core lower end is arranged in, the filter core includes strainer and the filtrate for being covered on strainer outer surface, the outer surface of the filtrate, which is provided with, tightens band, the filtrate has along the circumferential direction been formed uniformly multiple pleats, one end of the filtrate is fixedly connected on the top cover, and the other end is fixedly connected on the bottom cover.The present invention have it is simple and easy to make, the structure of manufacturing process pleat is able to maintain stable advantage.
Description
Technical field
The present invention relates to a kind of air filtration technical fields, more specifically, it relates to a kind of pleated filter cylinder and its production
Method.
Background technique
The industry dust generated in modern industry has great pollution to environment, therefore before the discharge of most of industrial gasses all
It will do it dust removal and filtration processing, deduster is one of the most frequently used tool of dust removal process process, the ash in the air of discharge
Dirt can reach effective dedusting effect.
Currently, existing deduster mostly uses filter cartridge dust remover to replace bag filter, the dedusting effect of filter drum type precipitator
Fruit is compared to that bag filter is more preferable, and filter cartridge dust remover designs for integral type, either installs or removes replacement all more
Facilitate operation, filter cylinder is mainly made of filter core, bottom cover and top cover, and top cover and bottom cover are separately positioned on the upper and lower ends of filter core, filter
Core mostly uses pleated structure to increase filter area, reaches better filter effect.
Above scheme existing defects: the shape of spacing and each pleat between each pleat of filter core pleated structure was making
It is easily deformed in journey, it is more difficult to maintain fixed shape, the spacing between each pleat is caused to have big difference, be easy to influence filtering effect
Fruit.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of pleated filter cylinder and preparation method thereof,
With simple and easy to make, the structure of fold is able to maintain stable advantage in manufacturing process.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of pleated filter cylinder, including filter
Core and the top cover that cylindrical filter cartridge upper end is arranged in and the bottom cover that filter core lower end is arranged in, the filter core include strainer and are covered on
The filtrate of strainer outer surface, the outer surface of the filtrate, which is provided with, tightens band, and the filtrate has along the circumferential direction been formed uniformly more
A fold, one end of the filtrate are fixedly connected on the top cover, and the other end is fixedly connected on the bottom cover.
Make each adjacent pleat by tightening the spacing of band kept between each fold by using above-mentioned technical proposal
Wrinkle separates, and the spacing between holding adjacent pleats in a certain range, avoids adjacent fold from being overlapped and is bonded together, reduce
Filter area.
The present invention also provides a kind of schemes: the quantity for tightening band is multiple, and along filter core short transverse interval
Setting.
By using above-mentioned technical proposal, the band of tightening of different number can be set according to the different height of filter core, kept
Spacing between each fold different height is integrally consistent.
The present invention also provides a kind of schemes: the outer surface movable sleeve of the top cover is equipped with washer.
By using above-mentioned technical proposal, when filter cylinder is mounted on deduster, washer can be to avoid deduster and top cover
Be directly connected to, avoid that top cover is caused to wear.
The present invention also provides a kind of schemes: the washer is made of asbestos cloth material.
By using above-mentioned technical proposal, after washer is manufactured with flexible material, buffer function can be provided, also can by by
Deformation after extruding to top cover keeps the installation of filter cylinder more stable with rebound.
The present invention also provides a kind of production methods of pleated filter cylinder, comprising the following steps:
Steel disc item is punched by puncher, then is connected the edge on the steel disc both sides after punching by net drum, is formed solid
The strainer of the hollow cylindrical structure of measured length；
The pleat depth that there is mutually level filtrate with the strainer and pleat number are calculated, by setting the paper folder of parameter for institute
Filtrate folding is stated, so that the filtrate has uniform fold between multiple pleats；
The two edges of the folded filtrate along its length are attached and are engaged fixation, form hollow cylindrical body,
Cylindrical body excircle is to fold the fold formed, and the filtrate and the screen pack are formed filter core；
Band is tightened in the appearance face interval setting of filter core, the band of tightening has certain elasticity, and described tighten can after band is tightened
So that the distance between described fold keeps stablizing, the filter material surface is adhered to band is tightened by hot melt glue, it will be described
It tightens band and is fixed on the filter material surface, top cover is fixed on to one end of the filtrate by glue, bottom cover is fixed on described
The other end of filtrate.
By using above-mentioned technical proposal, there is preferable rigidity by the strainer of wire netting roll forming, be able to maintain stabilization
Shape, connection is formed cylindrical after filtrate is folded, and is through-hole among cylindrical filtrate, and excircle is the pleat formed after folding
Wrinkle, will form filter core after cylindrical filtrate and screen pack, filtrate fold the fold to be formed be provided in radial direction it is fixed
Shape, it is not easy to which deformation occurs, is tightened by tightening band by each fold slight shrinkage compression, and then limit it in the axial direction
Movement, making it in the circumferential has stable structure, fixed spacing is able to maintain between each fold, have stable filtering
Area provides well stable filter effect.
The present invention also provides a kind of schemes: being attached simultaneously by the two edges of the folded filtrate along its length
After the step for engaging fixation, further includes:
The filtrate, which connects the cylindrical body to be formed radially, can carry out the flexible of a distance, it is radially drawn
It stretches, the filtrate is inserted on the strainer by cylindrical body inner hole after expanding, and described filtrate one end is aligned with one end of the strainer,
The two combines to form the filter core.
By using above-mentioned technical proposal, is stretched through cylindrical bore and filtrate is inserted in strainer formation filter core after expanding,
Drawing force removes rear filtrate and closely stable can be fitted on strainer.
The present invention also provides a kind of schemes: being inserted on the strainer by the filtrate, described filtrate one end and the filter
One end of net is aligned, and the two combines to be formed after the filter core step, further includes:
Multiple ring springs are made by elastic material, the helical structure number of plies of ring spring and the filtrate fold the pleat to be formed
Number of wrinkling is identical, by multiple ring springs be inserted in respectively filter core on be spaced apart equal distance and be arranged, by the annular
Each layer of helical structure of spring is corresponding to be caught between the fold formed after the filtrate folds, is made between the fold
Spacing is equal.
By using above-mentioned technical proposal, after multiple ring springs are caught in filter core, every two adjacent gauffer is kept to wrinkle it
Between spacing remained unchanged when tightening band, so that each fold is kept unfolded state in the production process.
The present invention also provides a kind of schemes: the filter material surface is being adhered to band is tightened by hot melt glue, it will be described
After tightening the step of band is fixed on the filter material surface, further includes:
Hot melt glue is molded on a side end face end face of the top cover and the bottom cover, hot melt glue is smeared uniformly, will be described
Top cover and the bottom cover are coated with the end face of hot melt glue towards filter core, are adhered to the both ends of the filter core respectively, cooling to glue
After solidification, the ring spring is removed from the filter core.
By using above-mentioned technical proposal, each fold of filtrate from top to bottom respectively by top cover, tighten band and bottom cover is consolidated
It lives calmly, the spacing that each spacing of each fold is able to maintain stable and adjacent fold different height is identical.
The present invention also provides a kind of schemes: the filtrate is manufactured using spun yarn spunbond polyester, and the filter material surface is covered with
One layer of grease-proof and waterproof overlay film.
By using above-mentioned technical proposal, filtrate caused by spun yarn spunbond polyester system can achieve better filter effect,
The waterproof and oilproof overlay film of filter material surface can make the application scenarios of filter cylinder more extensive, can be applied in air with moisture and
The filtering scene of a small amount of oil smoke.
The present invention also provides a kind of schemes: the two edges of the folded filtrate along its length are attached and are connect
After conjunction fixing step, further includes:
Fixation is attached to both sides of the edge using stitching after filtrate folding, forms it into hollow cylinder
Body, along short transverse interval, bookbinding has many places iron nail to be reinforced for the two edges junction of the filtrate.
By using above-mentioned technical proposal, make the both sides of the edge junction tight suture of filtrate one by suture way
Rise, avoid dust from passing into atmospheric environment from junction, pollute, by junction of the iron nail to filtrate carry out into
The fixation of one step, making junction tool, there are two types of fixed forms, guarantee the stability of connection.
In conclusion the invention has the following advantages:
First, it is simple and reasonable, reliable and stable filter effect can be provided；
Second, production method advantages of simple, each step of production can guarantee the stabilization of filter cylinder filter structure.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment filter cylinder；
Fig. 2 is the overlooking structure diagram of filter core in the present embodiment；
Fig. 3 is the structural schematic diagram of strainer in the present embodiment；
Fig. 4 is a kind of flow chart of pleated filter cylinder production method.
In figure: 1, top cover；2, bottom cover；3, strainer；4, filtrate；5, band is tightened；6, washer；7, filter core；8, fold.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
As shown in Figure 1 to Figure 3, a kind of pleated filter cylinder exists including filter core 7 with the top cover 1 and setting that 7 upper end of filter core is arranged in
The bottom cover 2 of 7 lower end of filter core, top cover 1 coaxially offer through-hole, and filter core 7 includes strainer 3 and the filtrate for being covered on 3 outer surface of strainer
4, filtrate 4 is concordant with the both ends of strainer 3, and filtrate 4 has along the circumferential direction been formed uniformly multiple folds 8, and the one of filtrate 4 and strainer 3
End is connected on top cover 1, and the other end is fixedly connected on bottom cover 2, and the outer surface of filtrate 4, which is provided with, tightens band 5, is tightened at band 5
In the state of taut strength, it is multiple for tightening the quantity of band 5, and is arranged along 7 short transverse interval of filter core, the outer surface activity of top cover 1
It is arranged with washer 6, washer 6 is made of asbestos cloth material.
Filtrate 4 is manufactured using spun yarn spunbond polyester, reaches better filter effect.4 surface of filtrate be covered with one layer it is grease proofing
Waterproof overlay film makes filtrate 4 have wider applicability.Filtrate 4 using stitching connects both sides of the edge after folding
Fixation is connect, hollow cylindrical body is formed it into, makes the both sides of the edge junction tight suture of filtrate 4 one by suture way
It rises, avoids dust from passing into atmospheric environment from junction, pollute.The two edges junction of filtrate 4 is along height side
There is many places iron nail to be reinforced to interval bookbinding, is further fixed by junction of the iron nail to filtrate 4, make to connect
There are two types of fixed forms for place's tool, guarantee the stability of connection.Tighten band 5 be arranged at intervals with along 7 short transverse of filter core it is multiple, can be with
The spacing entirety of different number tightened band 5, keep between each 8 different height of fold is set according to the different height of filter core 7
It is consistent.1 outer surface movable sleeve of top cover is equipped with washer 6, and when filter cylinder is mounted on deduster, washer 6 can be to avoid dedusting
Device is directly contacted with top cover 1, avoids causing to wear to top cover 1.Washer 6 can be squeezed using the production of the flexible materials such as asbestos cloth
Deformation occurs for pressure, after washer 6 is manufactured with flexible material, can provide buffer function, also can be by by the after extruding of top cover 1
Deformation keeps the installation of filter cylinder more stable with rebound.
The implementation principle of the present embodiment are as follows: there is the characteristic of preferable rigidity using wire netting, manufactured strainer 3 is able to maintain
Stable shaped, connection is formed cylindrical after filtrate 4 is folded, and is through-hole among cylindrical filtrate 4, and excircle is formed after folding
Fold 8, cylindrical filtrate 4 is inserted in strainer 3 and is covered on strainer 3 formation filter core 7, filtrate 4 folds the fold 8 formed in diameter
Fixed shape is provided with to direction, it is not easy to which deformation occurs, after multiple ring springs are caught in filter core 7, between short transverse
Every separating, each fold 8, which is caught in the helical structure of ring spring, remains unchanged the spacing between each fold 8, leads to
It crosses to tighten band 5 and tighten and compresses each 8 slight shrinkage of fold, and then limit its movement in the axial direction, make it in the circumferential
With stable structure, after 8 upper and lower ends of fold of each of filtrate 4 are glued and are fixed by the glue on top cover 1 and bottom cover 2, filter
Expect 4 each folds 8 from top to bottom respectively by top cover 1, tighten band 5 and bottom cover 2 is fixed, each fold 8 is able to maintain stable
Structure provides good filter effect.
In one embodiment, as shown in figure 4, being the production method flow chart of pleated filter cylinder, the production of the pleated filter cylinder
Method, comprising the following steps:
Step 402: steel disc item being punched by puncher, then is connected the edge on the steel disc both sides after punching by net drum
It connects, forms the strainer of the hollow cylindrical structure of regular length；
Step 404: the pleat depth that there is mutually level filtrate with the strainer and pleat number are calculated, by the folding for setting parameter
Paper machine folds the filtrate, so that the filtrate has uniform fold between multiple pleats；
Step 406: the two edges of folded filtrate along its length being attached and engaged fixation, form hollow cylinder
Body, cylindrical body excircle are to fold the fold formed, and filtrate and screen pack are formed filter core 7.
Step 408: tightening band in the appearance face interval setting of filter core, it is flexible to tighten belt, and tightening after band is tightened can be with
Make the distance between fold keep stablizing, filter material surface is adhered to band 5 is tightened by hot melt glue, band will be tightened and be fixed on filter
Expect surface.
By using above-mentioned technical proposal, there is preferable rigidity by the molding strainer of steel disc silver lap and be not easy to give birth to
Rust is able to maintain stable shaped, connection formation cylinder after filtrate is folded, is through-hole among cylindrical filtrate, excircle is folding
The fold that poststack is formed will form filter core after cylindrical filtrate and screen pack, and filtrate folds the fold to be formed in radial direction
It is provided with fixed shape, it is not easy to which deformation occurs, tightens by tightening band by each fold slight shrinkage compression, and then limit
Its movement in the axial direction, making it in the circumferential has stable structure, and fixed spacing is able to maintain between each fold, has
There is stable filter area, well stable filter effect is provided.
In one embodiment, the two edges of the folded filtrate along its length are being attached and are being engaged admittedly
After fixed step, the production method of the pleated filter cylinder, further includes:
The filtrate, which connects the cylindrical body to be formed radially, can carry out the flexible of a distance, it is radially drawn
It stretches, the filtrate is inserted on the strainer by cylindrical body inner hole after expanding, and described filtrate one end is aligned with one end of the strainer,
The two combines to form the filter core.
In one embodiment, it is inserted on the strainer by the filtrate, described filtrate one end and the one of the strainer
End alignment, the two combine to be formed after the filter core step, further includes:
Multiple ring springs are made by elastic material, the helical structure number of plies of ring spring and the filtrate fold the pleat to be formed
Number of wrinkling is identical, by multiple ring springs be inserted in respectively filter core on be spaced apart equal distance and be arranged, by the annular
Each layer of helical structure of spring is corresponding to be caught between the fold formed after the filtrate 4 folds, is made between the fold
Spacing it is equal.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of pleated filter cylinder including filter core and is arranged in the top cover of cylindrical filter cartridge upper end and the bottom of filter core lower end is arranged in
Lid, it is characterised in that: the filter core includes strainer and the filtrate for being covered on strainer outer surface, and the outer surface of the filtrate is provided with
Band is tightened, the filtrate has along the circumferential direction been formed uniformly multiple folds, and one end of the filtrate is fixedly connected on the top cover
On, the other end is fixedly connected on the bottom cover.
2. a kind of pleated filter cylinder according to claim 1, it is characterised in that: the quantity for tightening band is multiple, and edge
The setting of filter core short transverse interval.
3. a kind of pleated filter cylinder according to claim 1, it is characterised in that: the outer surface movable sleeve of the top cover is equipped with pad
Circle.
4. a kind of pleated filter cylinder according to claim 3, it is characterised in that: the washer is made of asbestos cloth material.
5. a kind of production method of pleated filter cylinder, which comprises the following steps:
Steel disc item is punched by puncher, then is connected the edge on the steel disc both sides after punching by net drum, is formed solid
The strainer of the hollow cylindrical structure of measured length；
The pleat depth that there is mutually level filtrate with the strainer and pleat number are calculated, by setting the paper folder of parameter for institute
Filtrate folding is stated, so that the filtrate has uniform fold between multiple pleats；
The two edges of the folded filtrate along its length are attached and are engaged fixation, form hollow cylindrical body,
Cylindrical body excircle is to fold the fold formed, and the filtrate and the screen pack are formed filter core；
Band is tightened in the appearance face interval setting of filter core, the belt of tightening is flexible, and described tighten makes the pleat after band is tightened
The distance between wrinkle keeps stablizing, and is adhered to the filter material surface band is tightened by hot melt glue, tightens described with fixed
In the filter material surface, top cover is fixed on to one end of the filtrate using glue, bottom cover is fixed on the another of the filtrate
End.
6. a kind of production method of pleated filter cylinder according to claim 5, which is characterized in that by the folded filter
After material two edges along its length are attached and engage fixed step, further includes:
The filtrate connects the cylindrical body to be formed radially and can be carried out the flexible of a distance, it is radially drawn
It stretches, the filtrate is inserted on the strainer by cylindrical body inner hole after expanding, and described filtrate one end is aligned with one end of the strainer,
The two combines to form the filter core.
7. a kind of production method of pleated filter cylinder according to claim 5, which is characterized in that the filtrate is being inserted in institute
It states on strainer, described filtrate one end is aligned with one end of the strainer, and the two combines to be formed after the filter core step, is also wrapped
It includes:
Multiple ring springs are made by elastic material, the helical structure number of plies of ring spring and the filtrate fold the pleat to be formed
Number of wrinkling is identical, by multiple ring springs be inserted in respectively filter core on be spaced apart equal distance and be arranged, by the annular
Each layer of helical structure of spring is corresponding to be caught between the fold formed after the filtrate folds, is made between the fold
Spacing is equal.
8. a kind of production method of pleated filter cylinder according to claim 7, which is characterized in that taut by hot melt glue handle
Taut band is adhered to the filter material surface, by it is described tighten the step of band is fixed on the filter material surface after, further includes:
Hot melt glue is molded on a side end face end face of the top cover and the bottom cover, hot melt glue is smeared uniformly, will be described
Top cover and the bottom cover are coated with the end face of hot melt glue towards filter core, are adhered to the both ends of the filter core respectively, cooling to glue
After solidification, the ring spring is removed from the filter core.
9. a kind of production method of pleated filter cylinder according to claim 5, it is characterised in that: the material of the filtrate is thin
Yarn spunbond polyester, the filter material surface are covered with one layer of grease-proof and waterproof overlay film.
10. a kind of production method of pleated filter cylinder according to claim 5, which is characterized in that will be folded described
After the two edges of filtrate along its length are attached and engage fixing step, further includes:
Fixation is attached to both sides of the edge using stitching after filtrate folding, forms it into hollow cylinder
Body, along short transverse interval, bookbinding has many places iron nail to be reinforced for the two edges junction of the filtrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910761408.3A CN110394002A (en) | 2019-08-18 | 2019-08-18 | A kind of pleated filter cylinder and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910761408.3A CN110394002A (en) | 2019-08-18 | 2019-08-18 | A kind of pleated filter cylinder and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110394002A true CN110394002A (en) | 2019-11-01 |
Family
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| CN201910761408.3A Pending CN110394002A (en) | 2019-08-18 | 2019-08-18 | A kind of pleated filter cylinder and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212613A1 (en) * | 2019-08-08 | 2021-10-28 | 浙江省龙游滤清器制造有限公司 | Energy-saving and environment-friendly filter and production method therefor |
| CN114470973A (en) * | 2022-02-23 | 2022-05-13 | 河南核净洁净技术有限公司 | High-temperature-resistant metal pipe filter element and manufacturing method thereof |
| CN114642926A (en) * | 2022-04-01 | 2022-06-21 | 厦门中创环保科技股份有限公司 | Efficient filtering cartridge and processing method |
| CN115212696A (en) * | 2022-07-31 | 2022-10-21 | 中国石油化工股份有限公司 | A kind of process method to avoid the clogging of liquefied gas desulfurization tower coke powder |
| CN115591320A (en) * | 2022-09-15 | 2023-01-13 | 上海凯森环保科技有限公司（Cn） | Small gram weight filter core |
| CN115789837A (en) * | 2022-12-12 | 2023-03-14 | 珠海格力电器股份有限公司 | A pull-and-fold filter structure, filter and electrical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021212613A1 (en) * | 2019-08-08 | 2021-10-28 | 浙江省龙游滤清器制造有限公司 | Energy-saving and environment-friendly filter and production method therefor |
| JP2022540307A (en) * | 2019-08-08 | 2022-09-15 | 浙江省竜遊濾清器制造有限公司 | ENERGY-SAVING ENVIRONMENTAL PROTECTION FILTER AND MANUFACTURING METHOD THEREOF |
| CN114470973A (en) * | 2022-02-23 | 2022-05-13 | 河南核净洁净技术有限公司 | High-temperature-resistant metal pipe filter element and manufacturing method thereof |
| CN114642926A (en) * | 2022-04-01 | 2022-06-21 | 厦门中创环保科技股份有限公司 | Efficient filtering cartridge and processing method |
| CN115212696A (en) * | 2022-07-31 | 2022-10-21 | 中国石油化工股份有限公司 | A kind of process method to avoid the clogging of liquefied gas desulfurization tower coke powder |
| CN115591320A (en) * | 2022-09-15 | 2023-01-13 | 上海凯森环保科技有限公司（Cn） | Small gram weight filter core |
| CN115789837A (en) * | 2022-12-12 | 2023-03-14 | 珠海格力电器股份有限公司 | A pull-and-fold filter structure, filter and electrical equipment |
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