WO2012043553A1 - 分離膜エレメント及び分離膜エレメント用集流体管 - Google Patents
分離膜エレメント及び分離膜エレメント用集流体管 Download PDFInfo
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- WO2012043553A1 WO2012043553A1 PCT/JP2011/072064 JP2011072064W WO2012043553A1 WO 2012043553 A1 WO2012043553 A1 WO 2012043553A1 JP 2011072064 W JP2011072064 W JP 2011072064W WO 2012043553 A1 WO2012043553 A1 WO 2012043553A1
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- Prior art keywords
- separation membrane
- membrane element
- fluid
- fluid collection
- fluid collecting
- Prior art date
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- 238000000926 separation method Methods 0.000 title claims abstract description 105
- 239000012528 membrane Substances 0.000 title claims abstract description 104
- 239000012530 fluid Substances 0.000 title claims abstract description 99
- 239000000463 material Substances 0.000 claims description 43
- 230000008602 contraction Effects 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 description 16
- 229920005989 resin Polymers 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000004734 Polyphenylene sulfide Substances 0.000 description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 229920002492 poly(sulfone) Polymers 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 238000005373 pervaporation Methods 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229920001780 ECTFE Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 229910000856 hastalloy Inorganic materials 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- -1 polydimethylsiloxane Polymers 0.000 description 2
- 229920001955 polyphenylene ether Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 229920005560 fluorosilicone rubber Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/107—Specific properties of the central tube or the permeate channel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/12—Specific discharge elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/13—Specific connectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/22—Thermal or heat-resistance properties
Definitions
- the present invention relates to a separation membrane element using a fluid collecting pipe for a separation membrane element that circulates a fluid supplied to the separation membrane or a permeated fluid from the separation membrane.
- Patent Document 1 listed below discloses a spiral type separation membrane element having a wound body in which one or more of a separation membrane, a supply-side channel material, and a permeation-side channel material are wound around a perforated water collecting pipe. Is described.
- the separation membrane element When using the separation membrane element as described above, the separation membrane element is loaded into the pressure vessel, and the treatment liquid is filtered into the pressure vessel by flowing and pressurizing the treatment vessel. Depending on the case, it may be exposed to high-temperature conditions such as high-temperature hot water or water vapor.
- high-temperature conditions such as high-temperature hot water or water vapor.
- an alkaline solution having a high liquid temperature is supplied as a processing liquid.
- JP 2000-354742 A Japanese Patent Laid-Open No. 4-187220
- the separation membrane element used in the high temperature environment as described above repeats expansion and contraction due to expansion at high temperature and restoration (contraction) at cooling.
- problems that occur in a high-temperature environment will be described using a spiral separation membrane element as an example.
- a wound body 2 including a separation membrane or the like is wound around a fluid collection tube 1, and this wound body 2 is covered with an exterior material 3. It has a structure. Further, in the wound body 2, both end portions 2 a and 2 b in the axial direction of the fluid collecting tube 1 are bonded to the fluid collecting tube 1 by the fixing portion 4.
- the separation membrane element used in a high temperature environment is subjected to stress on the fixed portion of the fluid collection pipe such as the water collection pipe and the air collection pipe and the separation membrane with the expansion and contraction of the separation membrane and the exterior material.
- the element is destroyed due to the deformation of the element end E (see FIGS. 4B and 4C) in the vicinity of the fixed part, or the fluid collecting pipe and the separation membrane are peeled off at the fixed part.
- the fixed portion may be deformed by being heated for a long time (received a thermal history).
- the present invention relates to a separation membrane element that can be used in a high temperature environment to reduce stress applied to a fixed portion between a fluid collecting pipe and a separation membrane, and to prevent deformation due to long-term thermal history.
- a fluid collecting tube for a separation membrane element used in the above is provided.
- the separation membrane element of the present invention is a separation membrane element having a fluid collection tube, a separation membrane, and at least two fixed portions for fixing the fluid collection tube and the separation membrane.
- a separation membrane element having at least one stretchable part in the fluid collecting pipe.
- the separation membrane element of the present invention has a stretchable part in the fluid collection tube between the fixed parts, the fluid collection tube can follow the expansion and contraction even if the separation membrane and the exterior material expand and contract in a high temperature environment. . Accordingly, since the element can be expanded and contracted uniformly, the stress applied to the fixing portion between the fluid collecting pipe and the separation membrane can be reduced, and deformation due to receiving a heat history for a long time can be prevented. Therefore, long-term use is possible even in a high temperature environment.
- the expansion / contraction part may be a fitting structure or a movable part in which the fluid collection pipe main bodies are connected to each other.
- the separation membrane element of the present invention is a spiral separation membrane element in which one or more of the separation membrane, the supply side channel material and the permeation side channel material are wound around the fluid collecting pipe. Also good.
- the spiral type separation membrane element since the separation membrane and the like are stacked around the fluid collecting pipe, the stretching stress due to the separation membrane and the like tends to be larger than that of the separation membrane element other than the spiral type. Therefore, the effect of the present invention can be effectively used by applying the present invention to the spiral separation membrane element.
- the separation membrane element fluid collection pipe of the present invention is a separation membrane element fluid collection pipe having a stretchable portion that can be expanded and contracted in the axial direction in a part of the fluid collection pipe.
- the fluid collection pipe for separation membrane element of the present invention has a stretchable portion that can be stretched in the axial direction, even if the separation membrane or the exterior material stretches in a high temperature environment, it can follow this stretch. Accordingly, since the element can be expanded and contracted uniformly, the stress applied to the fixing portion between the fluid collecting pipe and the separation membrane can be reduced, and deformation due to receiving a heat history for a long time can be prevented. Therefore, long-term use is possible even in a high temperature environment.
- a to I are schematic cross-sectional views showing an example of a stretchable part used in the fluid collecting pipe for a separation membrane element of the present invention.
- a to C are schematic cross-sectional views showing an example of the separation membrane element of the present invention.
- a to C are schematic sectional views of a conventional spiral separation membrane element.
- the fluid collection pipe for the separation membrane element of the present invention may be a water collection pipe used for separating liquid components, such as those used for wastewater treatment or seawater desalination, and bioethanol or the like as a gas component. It may be an air collecting tube used for separation.
- FIG. 1 is a plan view showing an example of a fluid collecting pipe for a separation membrane element of the present invention.
- a fluid collection tube 10 shown in FIG. 1 has a hollow structure in which an opening is provided around the tube, and has at least one expansion / contraction portion 10a that allows expansion and contraction in the axial direction.
- the fluid collecting pipe 10 is stretched by about 5 to 20 mm per meter with a temperature rise of about 100 ° C. Therefore, it is preferable that the stretchable portion 10a has a structure that can secure a movable width of about 20 to 50 mm.
- the fluid collection pipe 10 has the expansion / contraction part 10a in the axial center part will be described.
- FIGS. 2A to 2D show a case where the stretchable portion 10a has a fitting structure.
- FIGS. 2A and 2B show a case where fitting is performed using a pipe joint 100 separate from the fluid collection pipe main bodies 101 and 102.
- FIG. 2C and FIG. 2D show the case where the fluid collection pipe main bodies 101 and 102 are fitted as a fitable structure.
- These can be composed of a metal or a resin that is a material of a conventionally used fluid collecting pipe. Below, each structure is demonstrated in detail.
- FIG. 2A to 2D show an example in which the distance between the two fluid collecting pipe main bodies 101 and 102 can be changed by the expansion / contraction part 10a having the fitting structure.
- FIG. 2A is an example in which the distance between the two fluid collection tube main bodies 101 and 102 can be changed by the pipe joint 100 having a smaller diameter than the two fluid collection tube main bodies 101 and 102.
- FIG. 2B is an example in which the distance between the two fluid collection tube main bodies 101 and 102 can be changed by the pipe joint 100 having a larger diameter than the two fluid collection tube main bodies 101 and 102.
- FIG. 1A is an example in which the distance between the two fluid collection tube main bodies 101 and 102 can be changed by the pipe joint 100 having a smaller diameter than the two fluid collection tube main bodies 101 and 102.
- FIG. 2B is an example in which the distance between the two fluid collection tube main bodies 101 and 102 can be changed by the pipe joint 100 having a larger diameter than the two fluid collection tube main bodies 101 and 102.
- FIG. 2C shows an example in which the fluid collection tube main body 101 and the fluid collection tube main body 102 having a portion having a smaller diameter than the fluid collection tube main body 101 are combined so as to be fitted together. is there.
- FIG. 2D is an example in which the fluid collection tube main body 101 and the fluid collection tube main body 102 having a portion having a larger diameter than the fluid collection tube main body 101 are combined so as to be fitted together. is there.
- the fitting structure as described above is adopted as the expansion / contraction part 10a, it can be manufactured without significant change from the conventional method of manufacturing a separation membrane element, which is advantageous in terms of cost.
- the outer diameter D1 of the fluid collection pipe main bodies 101 and 102 is 10. About 80 mm, preferably 25-50 mm. At this time, since the thickness of the fluid collection pipe main bodies 101 and 102 is about 1 to 3.5 mm, the outer diameter D2 of the small diameter portion of the fluid collection pipe main body 102 is smaller than the inner diameter D3 of the fluid collection pipe main body 101. It is preferable to design it as small as about 0.1 to 1 mm.
- the outer diameter D2 of the small diameter portion of the fluid collecting tube main body 102 is equal to the inner diameter D3 of the fluid collecting tube main body 101.
- it is preferably 0.1 to 0.5 mm smaller.
- the width W of the fitting portion (overlapping portion) at this time is about 40 to 50 mm.
- the thickness may be the same as that of the metal pipe. Needs to be thicker than the metal tube by about 0.5 to 1 mm, and therefore needs to be designed accordingly.
- FIGS. 2E to I show the case where the expansion / contraction part 10a is a movable part in which the fluid collection pipe main bodies 101 and 102 are connected to each other.
- FIGS. 2E to 2G show the case of the bellows structure.
- 2H and 2I show a structure in which a material that can be stretched is used as the stretchable portion 10a, and the fluid collection pipe main bodies 101 and 102 are connected to each other by the stretchable portion 10a.
- the material that can be used for these movable parts is not particularly limited as long as it can cope with the material such as the separation membrane and the expansion / contraction rate caused by the thermal history applied to the separation membrane, but is not limited to thin stainless steel, titanium. Examples thereof include a method in which a metal such as Hastelloy is molded into a bellows structure, or a method using a fluororesin, fluororubber, or silicone rubber.
- FIG. 2E to 2G are examples in which the expansion / contraction part 10a is a movable part in which two fluid collecting pipe main bodies 101 and 102 are connected, and is an example in which the bellows part 103 is formed.
- FIG. 2E shows that the diameter at the inner top portion 103a of the bellows portion 103 is smaller than the diameters of the two fluid collecting pipe main bodies 101 and 102 and the diameter at the outer top portion 103b of the bellows portion 103 at the time of use other than in a high temperature environment. Is an example larger than the diameter of the two fluid collecting pipe main bodies 101 and 102.
- FIG. 2F is an example in which the diameter at the inner top portion 103a of the bellows portion 103 is substantially the same as the diameters of the two fluid collection pipe main bodies 101 and 102 when used in a condition other than in a high temperature environment.
- FIG. 2G is an example in which the diameter at the outer top portion 103b of the bellows portion 103 is substantially the same as the diameters of the two fluid collection pipe main bodies 101 and 102 when used in a temperature environment other than a high temperature environment.
- a metal such as stainless steel, titanium, or Hastelloy
- a thin metal material having a thickness of about 0.1 to 0.8 mm a rubber material such as fluoro rubber, silicone rubber, Or resin materials, such as a fluororesin, can be illustrated.
- FIGS. 2E to 2G have the structure shown in FIGS. 2E to 2G, the followability to the expansion and contraction in the axial direction is higher than other structures. Therefore, when the temperature change is large or the separation membrane element has a high expansion ratio. It is suitable when used for.
- FIG. 2H and 2I are examples in which the expansion / contraction part 10a is formed by the expansion / contraction member 104 that connects the two fluid collection pipe main bodies 101 and 102.
- FIG. 2H is an example using the elastic member 104 that swells to the outside of the tube during contraction.
- FIG. 2I is an example using the expansion / contraction member 104 which swells to the inside of the pipe at the time of contraction.
- the constituent material of the elastic member 104 include rubber materials such as silicone rubber, fluorine rubber, acrylic rubber, ethylene propylene rubber, butyl rubber, and hydrogenated nitrile rubber, and resin materials such as fluorine resin and PET resin. Usually, it is preferable to use a rubber material.
- the expansion / contraction part 10a By making the expansion / contraction part 10a have the structure shown in FIG. 2H or FIG. 2I, it is possible to minimize the influence of the step when the separation membrane is wound, and there is an unnecessary space in terms of structure compared to other methods. This makes it difficult to improve the element separation efficiency.
- a conventionally known constituent material of the fluid collecting pipe can be used as the constituent material of the fluid collecting pipe 10 other than the expansion and contraction portion 10a.
- a resin material such as acrylonitrile / butadiene / styrene copolymer resin (ABS resin), polyphenylene ether resin (PPE resin), polysulfone resin (PSF resin), or a metal material such as stainless steel or titanium can be used.
- a metal material is preferably used when operating at a high temperature.
- the inner diameter of the fluid collecting tube 10 varies depending on the size of the separation membrane element used, but is 20 to 100 mm, for example.
- the thickness of the fluid collection tube 10 varies depending on the processing purpose and application, but is, for example, 1 to 7 mm.
- FIG. 2A is a schematic cross-sectional views showing the spiral separation membrane element.
- the spiral separation membrane element shown in FIG. 3A has a structure in which one or more of a separation membrane, a supply-side flow channel material, and a permeation-side flow channel material are wound around a fluid collection tube 10.
- the structure of the spiral separation membrane element other than the fluid collecting pipe 10 is also described in detail in, for example, the above-mentioned Patent Document 1, and conventionally known separation membranes, supply side flow path materials, permeation side flow path materials, etc. Can be employed.
- a structure having a wound body 2 in which a plurality of membrane leaves are wound around a central tube is obtained.
- the separation membrane in the high heat-resistant separation membrane element used in the PV method and the VP method, for example, known materials such as polyphenylene sulfide (PPS), polyvinylidene fluoride (PVDF), and polydimethylsiloxane (PDMS) are used.
- PPS polyphenylene sulfide
- PVDF polyvinylidene fluoride
- PDMS polydimethylsiloxane
- the flat film which consists of these, and these composite films can be used.
- a resin net made of PPS, ethylene-chlorotrifluoroethylene copolymer (ECTFE), or the like can be used.
- an exterior material 3 (see FIG. 3A) or an end member (not shown) for the purpose of protecting the separation membrane in the separation membrane element of the present invention.
- the exterior material 3 is a member formed by coating the outside of the separation membrane with glass fiber reinforced plastic (FRP) or silicone resin.
- the end member is made of resin, metal, or the like, and is a member that protects the end surface of the separation membrane.
- both end portions 2 a and 2 b in the axial direction of the fluid collecting tube 10 are bonded to the fluid collecting tube 10 by the fixing portion 4.
- the adhesive used in the fixing portion 4 any conventionally known adhesives such as urethane adhesives, epoxy adhesives, silicone adhesives, hot melt adhesives, and the like can be used.
- an adhesive containing a thermosetting resin such as a urethane-based adhesive, an epoxy-based adhesive, or a silicone-based adhesive is preferable for performing a curing reaction by heating.
- the present invention is not limited to the above embodiment.
- the case where the fluid collecting pipe includes the expansion / contraction part has been described as having one expansion / contraction part in the central portion in the axial direction. There may be two or more locations.
- the spiral separation membrane element has been described as an example of the separation membrane element of the present invention.
- the separation membrane element of the present invention is not limited to the spiral type, and is described in, for example, JP-A-9-94443. Such a pleated separation membrane element may be used.
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- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
2 巻回体
2a,2b 巻回体の端部
3 外装材
4 固定部
10 集流体管
10a 伸縮部
100 管継手
101,102 集流体管本体
103 蛇腹部
103a 蛇腹部の内側頂部
103b 蛇腹部の外側頂部
104 伸縮部材
以上、本発明の一実施形態について説明したが、本発明は上記実施形態には限定されない。例えば、上記実施形態では、集流体管が伸縮部を含む例として、軸方向の中央部に伸縮部を1箇所有する場合について説明したが、伸縮部は、固定部間において少なくとも1箇所あればよく、2箇所以上あってもよい。
Claims (10)
- 集流体管と、分離膜と、前記集流体管と前記分離膜を固定する少なくとも2箇所の固定部とを有する分離膜エレメントであって、
前記固定部の間の前記集流体管に、少なくとも1つの伸縮部を有する分離膜エレメント。 - 前記伸縮部が、嵌合構造である請求項1記載の分離膜エレメント。
- 前記集流体管が、2つ以上に分離された集流体管本体と、前記伸縮部とを有し、
前記伸縮部が、前記集流体管本体同士を連結した可動部である請求項1記載の分離膜エレメント。 - 前記集流体管が、2つ以上に分離された集流体管本体と、管継手とから構成され、
前記嵌合構造は、前記集流体管本体と、前記管継手とが嵌合された構造である請求項2記載の分離膜エレメント。 - 前記集流体管が、2つ以上に分離された集流体管本体同士を嵌合させた嵌合構造である請求項2記載の分離膜エレメント。
- 前記可動部が、蛇腹構造である請求項3記載の分離膜エレメント。
- 前記蛇腹構造が、金属を蛇腹構造に成型したものである請求項6記載の分離膜エレメント。
- 前記可動部は、伸縮可能な材料が用いられている請求項3記載の分離膜エレメント。
- 前記分離膜エレメントは、前記分離膜、供給側流路材及び透過側流路材の単数又は複数が前記集流体管の周りに巻きつけられているスパイラル型分離膜エレメントである請求項1~8のいずれか1項に記載の分離膜エレメント。
- 集流体管の一部分に軸方向に伸縮可能な伸縮部を有する分離膜エレメント用集流体管。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201180046981.8A CN103140276B (zh) | 2010-09-30 | 2011-09-27 | 分离膜元件及分离膜元件用集流体管 |
US13/876,611 US20130220915A1 (en) | 2010-09-30 | 2011-09-27 | Separation membrane element and fluid collecting tube for separation membrane element |
KR1020137008556A KR101483382B1 (ko) | 2010-09-30 | 2011-09-27 | 분리막 엘리먼트 및 분리막 엘리먼트용 집류체관 |
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JP2010-221891 | 2010-09-30 | ||
JP2010221891A JP2012076002A (ja) | 2010-09-30 | 2010-09-30 | 分離膜エレメント及び分離膜エレメント用集流体管 |
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JP (1) | JP2012076002A (ja) |
KR (1) | KR101483382B1 (ja) |
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---|---|---|---|---|
JP2014233677A (ja) * | 2013-06-03 | 2014-12-15 | 大阪ガスケミカル株式会社 | 浄水器 |
JP6001013B2 (ja) * | 2013-08-13 | 2016-10-05 | 富士フイルム株式会社 | 酸性ガス分離用スパイラル型モジュール |
KR20160148871A (ko) | 2015-06-17 | 2016-12-27 | 양순구 | 일방향 클러치 제동장치 |
WO2019157322A1 (en) * | 2018-02-12 | 2019-08-15 | Bl Technologies, Inc. | Spiral wound membrane element for high temperature filtration |
CN114632421B (zh) * | 2020-12-16 | 2023-01-10 | 北京清源洁华膜技术有限公司 | 一种卷式膜膜组 |
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- 2010-09-30 JP JP2010221891A patent/JP2012076002A/ja active Pending
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2011
- 2011-09-27 KR KR1020137008556A patent/KR101483382B1/ko not_active IP Right Cessation
- 2011-09-27 US US13/876,611 patent/US20130220915A1/en not_active Abandoned
- 2011-09-27 CN CN201180046981.8A patent/CN103140276B/zh not_active Expired - Fee Related
- 2011-09-27 WO PCT/JP2011/072064 patent/WO2012043553A1/ja active Application Filing
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US4021351A (en) * | 1975-10-30 | 1977-05-03 | Desalination Systems, Inc. | Membrane cartridge with improved central collection tube |
JPH06304416A (ja) * | 1990-08-25 | 1994-11-01 | Seitz Filter Werke Gmbh & Co | 支持チューブ |
JP2003275544A (ja) * | 2002-03-22 | 2003-09-30 | Nitto Denko Corp | スパイラル型膜エレメント及びその製造方法 |
Also Published As
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KR101483382B1 (ko) | 2015-01-14 |
JP2012076002A (ja) | 2012-04-19 |
US20130220915A1 (en) | 2013-08-29 |
CN103140276B (zh) | 2018-03-09 |
KR20130058059A (ko) | 2013-06-03 |
CN103140276A (zh) | 2013-06-05 |
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