CN105381722A - Tough protection layer for coating membrane wire for filtration and hollow membrane wire module for filtration - Google Patents
Tough protection layer for coating membrane wire for filtration and hollow membrane wire module for filtration Download PDFInfo
- Publication number
- CN105381722A CN105381722A CN201510518637.4A CN201510518637A CN105381722A CN 105381722 A CN105381722 A CN 105381722A CN 201510518637 A CN201510518637 A CN 201510518637A CN 105381722 A CN105381722 A CN 105381722A
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- China
- Prior art keywords
- hollow membrane
- protective layer
- membrane silk
- silk
- filtration
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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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- 239000012528 membrane Substances 0.000 title claims abstract description 115
- 238000001914 filtration Methods 0.000 title claims abstract description 52
- 239000011248 coating agent Substances 0.000 title abstract 3
- 238000000576 coating method Methods 0.000 title abstract 3
- 239000011241 protective layer Substances 0.000 claims abstract description 55
- 239000003822 epoxy resin Substances 0.000 claims abstract description 23
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 23
- 239000004814 polyurethane Substances 0.000 claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- 229920000098 polyolefin Polymers 0.000 claims abstract description 13
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 11
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 11
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 37
- 229920005989 resin Polymers 0.000 claims description 33
- 239000011347 resin Substances 0.000 claims description 33
- -1 polypropylene Polymers 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 229920002492 poly(sulfone) Polymers 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 4
- 150000002825 nitriles Chemical class 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 8
- 238000005273 aeration Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a flexible protective layer for coating a membrane wire for filtration and a hollow membrane wire module for filtration. A tough protective layer for coating a membrane wire for filtration is made of polyurethane, ethylene-vinyl acetate copolymer, thermoplastic rubber, polyolefin, epoxy resin or a combination thereof, wherein the Shore hardness of the polyurethane or the epoxy resin is 5-20D, and the tensile rate is more than 100%. The toughness protection layer can enhance the toughness and the ductility of the membrane wire for filtration, and prevent the membrane wire for filtration from cracking or breaking, thereby prolonging the service life of the membrane wire for filtration.
Description
Technical field
The present invention relates to a kind of toughness protective layer in order to coated filtration film silk and filtration hollow membrane silk module.
Background technology
In recent years, according to different applications, the useless form such as (dirt) water filtration use, water purification filter use, sea water filter use.But in various applications, film silk, according to the physical property of itself, and under operating environment and operating condition, and has certain service life.
For example, the film silk filtered need bear larger pressure reduction or stress when operating, and therefore focuses on the physical characteristic of film silk itself especially, as intensity, toughness and ductility etc.Even if but film silk has preferably physical characteristic, but under High Pressure Difference or heavily stressed environment, still can there is the situation that ruptures in film silk, and then filtering efficiency is had a greatly reduced quality.Therefore, need a kind of mode of available protecting filtration film silk at present badly, to avoid film silk to rupture, make filtering efficiency not because film silk ruptures and reduce.
Summary of the invention
The object of the present invention is to provide a kind of toughness protective layer in order to coated filtration film silk, toughness and the ductility of filtration film silk can be strengthened, avoid filtration film silk to chap or fracture, thus the service life of filtration film silk can be increased.
An example of the present invention provides a kind of toughness protective layer in order to coated filtration film silk; its material is polyurethane (polyurethane; PU), ethylene-vinyl acetate copolymer (ethylenevinylacetate; EVA), thermoplastic rubber (thermoplasticrubber; TPR), polyolefin (polyolefin), epoxy resin (epoxyresin) or its combination; wherein the Shore hardness of polyurethane or epoxy resin is 5D to 20D, and extensibility is more than 100%.
According to one or more embodiment of the present invention, the Shore hardness (Shorehardness) of toughness protective layer is 5D to 20D, and the extensibility of toughness protective layer is more than 100%.
According to one or more embodiment of the present invention, filtration film silk is cellulose material, polysulfones material, polyolefin based materials, fluorocarbon resin material or polypropylene nitrile material.
Another example of the present invention provides a kind of filtration hollow membrane silk module, and it comprises storage tank, hollow membrane silk and fixing resin.Hollow membrane silk is inserted in storage tank, and hollow membrane silk has aforesaid toughness protective layer covers and contact a part for hollow membrane silk.Fixing resin is filled in storage tank, and covers and contact a part for toughness protective layer and the tail end of hollow membrane silk.
According to one or more embodiment of the present invention, fixing resin comprises epoxy resin, polyurethane or its combination.
According to one or more embodiment of the present invention, another part of toughness protective layer does not contact fixing resin.
According to one or more embodiment of the present invention, the length of another part of toughness protective layer is 0.5 centimeter to 4 centimeters.
According to one or more embodiment of the present invention, hollow membrane silk is multiple hollow membrane silks, is roughly arranged parallel to each other and separated from one another, and fixing resin is filled between the part of toughness protective layer of hollow membrane silk.
According to one or more embodiment of the present invention, hollow membrane silk is multiple hollow membrane silks, is roughly arranged parallel to each other and located adjacent one another and form boundling, and fixing resin surrounds the part of the toughness protective layer of boundling.
According to one or more embodiment of the present invention, the thickness of toughness protective layer is 0.05 millimeter to 0.20 millimeter.
In above-mentioned embodiment, because toughness protective layer has good toughness and ductility, therefore not easily chapped by the filtration film silk that toughness protective layer is coated or rupture, and the service life of filtration film silk can be extended.In addition, toughness protective layer can be applied on the hollow membrane silk of filtration hollow membrane silk module further.Toughness protective layer available buffer hollow membrane silk swings when aeration produced stress, and hollow membrane silk can be avoided therefore to rupture, and then promotes the service life of hollow membrane silk module.
Foregoing invention content aims to provide the simplification summary of present disclosure, possesses basic understanding to make reader to present disclosure.This summary of the invention is not the complete overview of present disclosure, and its purpose is not being pointed out the key/critical element of embodiment of the present invention or defining scope of the present invention.After consulting following description, persond having ordinary knowledge in the technical field of the present invention is when understanding essence spirit of the present invention and the technology used in the present invention means and embodiment easily.
Accompanying drawing explanation
Fig. 1 is that display is according to the filtration film silk of an embodiment of the present invention and the schematic diagram of toughness protective layer.
Fig. 2 A is the schematic side view of display according to the filtration hollow membrane silk module of an embodiment of the present invention.
Fig. 2 B is the generalized section of the hollow membrane silk of display Fig. 2 A.
Fig. 3 is the schematic diagram of display when swinging according to the hollow membrane silk of an embodiment of the present invention.
Fig. 4 A is the schematic side view of display according to the filtration hollow membrane silk module of another embodiment of the present invention.
Fig. 4 B is the generalized section of the hollow membrane silk of display Fig. 4 A.
Detailed description of the invention
In order to make describing of present disclosure more detailed and complete, hereafter have been directed to embodiment of the present invention and detailed description of the invention proposes illustrative description; But this not implements or uses the unique forms of the specific embodiment of the invention.Each embodiment disclosed below, can mutually combine or replace, also can add other embodiment in one embodiment, and need not further record or illustrate useful when.
In the following description, following embodiment is fully understood describing many specific detail in detail to enable reader.But, can when putting into practice embodiments of the present invention without when these specific detail.In other cases, be simplicity of illustration, the structure known only schematically is illustrated in figure.
In order to solve the problem described in background technology, an example of the present invention provides a kind of toughness protective layer in order to coated filtration film silk.Fig. 1 is that display is according to the filtration film silk 10 of an embodiment of the present invention and the schematic diagram of toughness protective layer 110.Toughness protective layer 110 can local or comprehensive coated filtration film silk 10.In one embodiment, as shown in Figure 1, toughness protective layer 110 is a part of Pf1 of coated filtration film silk 10.
Because toughness protective layer 110 has good toughness and ductility, therefore born not easily be full of cracks or fracture in High Pressure Difference or heavily stressed situation by the filtration film silk 10 that toughness protective layer 110 is coated, thus the service life of filtration film silk 10 can extended.
In multiple embodiment; the material of toughness protective layer 110 is polyurethane (polyurethane; PU), ethylene-vinyl acetate copolymer (ethylenevinylacetate; EVA), thermoplastic rubber (thermoplasticrubber; TPR), polyolefin (polyolefin), epoxy resin (epoxyresin) or its combination; wherein the Shore hardness of polyurethane or epoxy resin is 5D to 20D, and extensibility is more than 100%.Polyolefines is as being polyethylene, polypropylene etc.Previous materials, through adjustment formula and process conditions, can form the toughness protective layer 110 having toughness and ductility concurrently.In one embodiment, the Shore hardness (Shorehardness) of toughness protective layer 110 is 5D to 20D, and extensibility is more than 100%.In one embodiment, the extensibility of toughness protective layer 110 is more than 400%.Toughness protective layer 110 has good ductility and draftability.
In multiple embodiment, filtration film silk 10 is cellulose material, polysulfones material, polyolefin based materials, fluorocarbon resin material or polypropylene nitrile material.Cellulose material is such as cellulose acetate (TCA) material.Polysulfones material is such as polysulfones (PS) material or polyether sulfone (PES) material.Polyolefin based materials is such as polyethylene (PE) material or polypropylene (PP) material.Fluorocarbon resin material is such as Kynoar (PVDF) material or polytetrafluoroethylene (PTFE) (PTFE) material.Polypropylene nitrile material is such as polyacrylonitrile (PAN) material.According to different applications, can select the filtration film silk 10 of unlike material, therefore filtration film silk 10 of the present invention is not limited to any one material.
In actual applications, filtration film silk 10 can be used for any one filter plant, such as water-purifying process equipment, sewage disposal device, airhandling equipment and Drinking Water Filtration equipment etc.In one embodiment, filtration film silk 10 is hollow membrane silk.
Another example of the present invention provides a kind of filtration hollow membrane silk module.Fig. 2 A is the schematic side view of display according to the filtration hollow membrane silk module of an embodiment of the present invention.As shown in Figure 2 A, filtration hollow membrane silk module comprises storage tank 20, hollow membrane silk 10 ' and fixing resin 30.
This type of filtration hollow membrane silk module can be applicable to water-purifying process equipment, as continuous membrane filter (ContinuousMembraneFiltration, CMF); Sewage disposal device, as membrane bioreactor (MembraneBioreactors, MBR); Airhandling equipment, as thin-film distillation technology (MembraneDistillation, MD); Drinking Water Filtration equipment, as filter element of water purifier.
In one embodiment, this type of filtration by hollow membrane silk module application in membrane bioreactor (MembraneBioreactors, MBR).Membrane bioreactor mainly comprises biological reaction tank and is dipped in the hollow membrane silk module in biological reaction tank.When sewage enters in biological reaction tank, organic matter in microorganisms decompose sewage in biological reaction tank, and outside the solids in biological reaction tank can be blocked in by the hollow membrane silk of hollow membrane silk module, and enter hollow membrane silk clean by filter from the micropore permeation on hollow membrane silk surface for liquid.Finally, the filtrate in hollow membrane silk can flow in bailing pipe, with recycling.
The tail end of hollow membrane silk 10 ' must be packed and fix.Namely fixing resin 30 shown in Fig. 2 A is encapsulate fixing hollow membrane silk 10 '.Specifically, hollow membrane silk 10 ' is inserted in storage tank 20, and fixing resin 30 is filled in storage tank 20, to encapsulate a wherein tail end of fixing hollow membrane silk 10 '.But the art knows that the knowledgeable should know usually, two tail ends of hollow membrane silk 10 ' can be all packed and fix.
Fixing resin 30 need have good curability and adherence.In one embodiment, fixing resin 30 comprises epoxy resin, polyurethane or its combination.In one embodiment, the Shore hardness of epoxy resin is 80D to 90D, and extensibility is 5% to 10%.In one embodiment, the Shore hardness of epoxy resin is 30D to 40D, and extensibility is 50% to 70%.But the art knows that the knowledgeable should know usually, also can use that Shore hardness is 80D to 90D simultaneously, extensibility be 5% to 10% epoxy resin and Shore hardness be 30D to 40D, extensibility is the epoxy resin of 50% to 70%.In one embodiment, fixing resin 30 comprises two-layer (not illustrating), the lower floor contact bottom of storage tank 20 and the tail end of hollow membrane silk 10 ', and it comprises, and Shore hardness is 80D to 90D, extensibility is the epoxy resin of 5% to 10%; Upper strata is positioned at above lower floor, and contact hollow membrane silk 10 ', it comprises, and Shore hardness is 30D to 40D, extensibility is the epoxy resin of 50% to 70%.In one embodiment, the Shore hardness of polyurethane is 80D to 90D, and extensibility is 5% to 10%.In one embodiment, the Shore hardness of polyurethane is 30D to 40D, and extensibility is 50% to 70%.But the present invention is not limited to above-mentioned embodiment.
In filter process, aeration can be carried out to hollow membrane silk 10 ', hollow membrane silk 10 ' is swung, to remove the solids being blocked in hollow membrane silk 10 ' surface.In aeration process, hollow membrane silk 10 ' may produce stress because swinging in fixing resin 30 and extraneous intersection, and hollow membrane silk 10 ' is ruptured.But because hollow membrane silk 10 ' of the present invention has toughness protective layer 110, at the stress that fixing resin 30 produces with extraneous place, boundary when available buffer swings, and can effectively avoid hollow membrane silk 10 ' to rupture.
Toughness protective layer 110 covers and contacts a part of Pf1 of hollow membrane silk 10 '.Fixing resin 30 covers and contacts a part of Pp1 of toughness the protective layer 110 and tail end Pf2 of hollow membrane silk 10 '.Therefore, hollow membrane silk 10 ' can be fixed packaged fixing with resin 30, and protects in fixing resin 30 and extraneous intersection flexible protective layer 110.
In the present embodiment, as shown in Figure 2 A, hollow membrane silk 10 ' to be roughly arranged parallel to each other and separated from one another for multiple hollow membrane silk 10 '.Fixing resin 30 is filled between the part Pp1 of the toughness protective layer 110 of multiple hollow membrane silk 10 '.Fig. 2 B is the generalized section of the hollow membrane silk 10 ' of display Fig. 2 A.As shown in Figure 2 B, hollow membrane silk 10 ' is separated from one another and do not contact, and the toughness protective layer 110 of each hollow membrane silk 10 ' does not contact with each other yet.
For making hollow membrane silk 10 ' can by more complete protection, in one embodiment, another part Pp2 of toughness protective layer 110 contact with fixing resin 30, and more upwards extends along the axis of hollow membrane silk 10 '.In one embodiment, the length L of another part Pp2 of toughness protective layer 110 is 0.5 centimeter to 4 centimeters.Thus, even if the material of fixing resin 30 is before not yet solidifying, (namely the material of fixing resin 30 is flowable state, as viscous liquid or liquid state) upwards climb along hollow membrane silk 10 ' because of capillarity, also directly can not contact the surface of hollow membrane silk 10 ', make hollow membrane silk 10 ' hardening crisp and more can not meet with stresses.
Fig. 3 is the schematic diagram of display when swinging according to the hollow membrane silk 10 ' of an embodiment of the present invention.When hollow membrane silk 10 ' is in aeration process; when being subject to gases affect and swinging; at the stress that fixing resin 30 produces with extraneous place, boundary when toughness protective layer 110 available buffer with high tenacity and ductility swings; and hollow membrane silk 10 ' can be avoided therefore to rupture, and then the service life of hollow membrane silk module can be extended.
Fig. 4 A is the schematic side view of display according to the filtration hollow membrane silk module of another embodiment of the present invention.In the present embodiment, hollow membrane silk 10 ' is multiple hollow membrane silk 10 ', is roughly arranged parallel to each other and located adjacent one another and form boundling 1 ', and fixing resin 30 surrounds the part Pp1 of the toughness protective layer 110 of boundling 1 '.
Fig. 4 B is the generalized section of the hollow membrane silk 10 ' of display Fig. 4 A.The difference of the embodiment of Fig. 4 A to Fig. 4 B and Fig. 2 A to Fig. 2 B is: the hollow membrane silk 10 ' of Fig. 4 A to Fig. 4 B is located adjacent one another, and the toughness protective layer 110 of each hollow membrane silk 10 ' contacts with each other bonding, forms the toughness protective layer 110 of continuous shape.
Hollow membrane silk module shown in Fig. 4 A can be formed by following method.First, by multiple hollow membrane silk 10 ' proper alignment, to form boundling 1 '.Then the material of toughness protective layer 110 is coated on the part Pf1 of hollow membrane silk 10 ' of boundling 1 ', then is placed in storage tank 20.Finally fixing resin 30 is poured into in storage tank 20, wait to be solidified.
Below enumerate Multi-instance (i.e. experimental example 1, comparative example 1 and comparative example 2) with more elaboration method of the present invention; so it is only the use illustrated; and be not used to limit the present invention, protection scope of the present invention is when being as the criterion with the claim person of defining.
Experimental example 1: be 5D to 20D by Shore hardness, extensibility is the polyurethane (polyurethane of more than 100%, PU), ethylene-vinyl acetate copolymer (ethylenevinylacetate, EVA), thermoplastic rubber (thermoplasticrubber, TPR), polyolefin (polyolefin) and Shore hardness are 5-20D, extensibility is the epoxy resin (epoxyresin) of more than 100%, coat on five groups of hollow membrane silks respectively, with rigid epoxy resin, (Shore hardness is for 80D to 90D again, extensibility is 5% to 10%) fixedly use glue as the encapsulation of hollow membrane silk.Under the same conditions, according to normal operating condition, its projected area aeration rate is about 2m
3/ min.m
2, those hollow membrane silk modules, through the continuity operation of 1 month, still can not produce fracture.
Comparative example 1: only use rigid epoxy resin (Shore hardness is 80D to 90D, and extensibility is 5% to 10%) fixedly to use glue as the encapsulation of hollow membrane silk.According to normal operating condition, its projected area aeration rate is about 2m
3/ min.m
2, in 30 hours, namely hollow membrane silk produces fracture, and causes this hollow membrane silk module cannot continue normal use.
Comparative example 2: only use soft epoxy resin (Shore hardness is 30D to 40D, and extensibility is 50% to 70%) as the fixing glue of encapsulation of hollow membrane silk, according to normal operating condition, its projected area aeration rate is about 2m
3/ min.m
2, in 48 hours, namely hollow membrane silk produces fracture, and causes this hollow membrane silk module cannot continue normal use.
Although the present invention with embodiment openly as above; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing various variation and retouching, therefore protection scope of the present invention is when being as the criterion depending on the claim person of defining.
Claims (9)
1. the toughness protective layer in order to coated filtration film silk; it is characterized in that; the material of described a kind of toughness protective layer in order to coated filtration film silk is polyurethane, ethylene-vinyl acetate copolymer, thermoplastic rubber, polyolefin, epoxy resin or its combination; the Shore hardness of wherein said toughness protective layer is 5D to 20D, and extensibility is more than 100%.
2. toughness protective layer as claimed in claim 1, it is characterized in that, described filtration film silk is cellulose material, polysulfones material, polyolefin based materials, fluorocarbon resin material or polypropylene nitrile material.
3. filter by a hollow membrane silk module, it is characterized in that, described a kind of filtration hollow membrane silk module comprises:
Storage tank;
Hollow membrane silk, it is inserted in described storage tank, and described hollow membrane silk has toughness protective layer according to claim 1, and it covers and contacts a part for described hollow membrane silk; And
Fixing resin, it is filled in described storage tank, and covers and contact a part for described toughness protective layer and the tail end of described hollow membrane silk.
4. hollow membrane silk module as claimed in claim 3, is characterized in that, described fixing resin comprises epoxy resin, polyurethane or its combination.
5. hollow membrane silk module as claimed in claim 3, it is characterized in that, another part of described toughness protective layer does not contact described fixing resin.
6. hollow membrane silk module as claimed in claim 5, it is characterized in that, the length of described another part of described toughness protective layer is 0.5 centimeter to 4 centimeters.
7. hollow membrane silk module as claimed in claim 3; it is characterized in that; described hollow membrane silk is multiple hollow membrane silks, is roughly arranged parallel to each other and separated from one another, and described fixing resin is filled between the described part of described toughness protective layer of described hollow membrane silk.
8. hollow membrane silk module as claimed in claim 3; it is characterized in that; described hollow membrane silk is multiple hollow membrane silks, is roughly arranged parallel to each other and located adjacent one another and form boundling, and described fixing resin surrounds the described part of the described toughness protective layer of described boundling.
9. hollow membrane silk module as claimed in claim 3, it is characterized in that, the thickness of described toughness protective layer is 0.05 millimeter to 0.20 millimeter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103129225 | 2014-08-25 | ||
| TW103129225A TWI541060B (en) | 2014-08-25 | 2014-08-25 | Ductile protective layer for covering filtered membrane filament and hollow membrane filament module for filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105381722A true CN105381722A (en) | 2016-03-09 |
Family
ID=55414876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510518637.4A Pending CN105381722A (en) | 2014-08-25 | 2015-08-21 | Tough protection layer for coating membrane wire for filtration and hollow membrane wire module for filtration |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105381722A (en) |
| TW (1) | TWI541060B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117059A (en) * | 2019-05-23 | 2019-08-13 | 惠州市环境科学研究所 | A kind of environment protection biological filler and preparation method thereof |
| CN111389231A (en) * | 2020-04-24 | 2020-07-10 | 北京碧水源膜科技有限公司 | Laminated hollow fiber membrane element with equal membrane-filament spacing and production method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201098607Y (en) * | 2007-07-27 | 2008-08-13 | 苏州立升净水科技有限公司 | Hollow fibre film component with function of preventing hollow fibre film thread breaking |
| CN102056653A (en) * | 2008-06-04 | 2011-05-11 | 旭化成化学株式会社 | Hollow fiber membrane module with covered membrane outer periphery |
| CN103418246A (en) * | 2012-05-23 | 2013-12-04 | 海南立昇净水科技实业有限公司 | Structural part for preventing breakage of filtering materials and manufacturing method thereof |
-
2014
- 2014-08-25 TW TW103129225A patent/TWI541060B/en active
-
2015
- 2015-08-21 CN CN201510518637.4A patent/CN105381722A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201098607Y (en) * | 2007-07-27 | 2008-08-13 | 苏州立升净水科技有限公司 | Hollow fibre film component with function of preventing hollow fibre film thread breaking |
| CN102056653A (en) * | 2008-06-04 | 2011-05-11 | 旭化成化学株式会社 | Hollow fiber membrane module with covered membrane outer periphery |
| CN103418246A (en) * | 2012-05-23 | 2013-12-04 | 海南立昇净水科技实业有限公司 | Structural part for preventing breakage of filtering materials and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117059A (en) * | 2019-05-23 | 2019-08-13 | 惠州市环境科学研究所 | A kind of environment protection biological filler and preparation method thereof |
| CN111389231A (en) * | 2020-04-24 | 2020-07-10 | 北京碧水源膜科技有限公司 | Laminated hollow fiber membrane element with equal membrane-filament spacing and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI541060B (en) | 2016-07-11 |
| TW201607604A (en) | 2016-03-01 |
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