WO2007123206A1 - 膜エレメント用シール材保持部材および膜エレメント - Google Patents
膜エレメント用シール材保持部材および膜エレメント Download PDFInfo
- Publication number
- WO2007123206A1 WO2007123206A1 PCT/JP2007/058639 JP2007058639W WO2007123206A1 WO 2007123206 A1 WO2007123206 A1 WO 2007123206A1 JP 2007058639 W JP2007058639 W JP 2007058639W WO 2007123206 A1 WO2007123206 A1 WO 2007123206A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- membrane element
- sealing material
- holding member
- protrusion
- membrane
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 86
- 239000003566 sealing material Substances 0.000 title claims abstract description 52
- 230000002093 peripheral effect Effects 0.000 claims abstract description 42
- 238000003780 insertion Methods 0.000 claims abstract description 16
- 230000037431 insertion Effects 0.000 claims abstract description 16
- 230000004323 axial length Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000011550 stock solution Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- 238000011144 upstream manufacturing Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 9
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- B01D63/106—Anti-Telescopic-Devices [ATD]
-
- 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
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/003—Membrane bonding or sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1213—Laminated layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Definitions
- the present invention relates to a sealing material holding member that is attached to an end of a spiral type membrane element and holds a sealing material that blocks a gap with a pressure vessel, and a membrane element using the same.
- the spiral separation membrane module has been used for a wide range of applications such as desalination of brine or seawater, production of ultrapure water, wastewater treatment, and the like.
- the spiral separation membrane module has a structure in which the spiral separation membrane element E is accommodated in the pressure vessel 1, and in order to efficiently flow the supplied stock solution 7 into the element E, The gap between pressure vessel 1 and element E is blocked by an annular seal material 4.
- the stock solution that has flowed into element E flows downstream along the supply-side flow path material of element E, and is separated by the separation membrane.
- the permeate that has permeated the separation membrane passes through the permeation-side flow path. It flows along the material and is collected in the central pipe 6.
- the membrane portion of element E has a structure in which a membrane laminate 2 in which a supply-side channel material, a separation membrane, and a permeate-side channel material are laminated is wound around a central tube 6 in a spiral shape. ing.
- the end portion of the element E is provided with a sealing material holding member 10, and an annular sealing material 4 is held on the outer periphery thereof.
- the seal material 4 is made of rubber having a U-shaped or V-shaped cross section, and spreads outward due to the pressure when receiving a water flow, and in that state, the gap between the pressure vessel 1 and the sealing material 4 Seal (see, for example, Patent Document 1).
- a central opening 19 into which the central tube 6 is inserted is provided at the center of the sealing material holding member 10, and the inner peripheral surface thereof is a cylindrical shape having a flat surface or a plurality of members in the axial direction. It was a cylindrical shape having ridges (ribs). The height of the ridges and the like are designed so that the outer peripheral surface of the center tube 6 is inscribed in the inner peripheral surface or the ridges of the central opening 19.
- the outer diameter of the center tube 6 may vary during the manufacturing process. In particular, even in Japan and the United States, even if the outer diameter is the same design dimension, the average value of the outer diameter is approximately 0. .8mm It became clear that there was a difference. If such a variation is taken into account and the clearance is increased, the center tube 6 is likely to be eccentric with respect to the sealing material holding member 10, and the appearance may be poor and the product value may be reduced. In addition, if the center tube 6 is eccentric, depending on the structure of the pressure vessel 1, the mounting operation of the membrane element becomes complicated, and when connecting a plurality of membrane elements, the connecting operation becomes complicated. was there.
- Patent Document 1 Japanese Patent Laid-Open No. 11 76757
- an object of the present invention is to provide a membrane element that can hold the center tube in the center even if the outer diameter of the center tube varies, and can easily insert the center tube.
- An object of the present invention is to provide a sealing material holding member and a membrane element using the same.
- the sealing member holding member for a membrane element includes a central opening into which the central tube of the spiral membrane element is inserted, and a peripheral opening for allowing the stock solution to flow into the membrane end of the membrane element.
- a sealing member holding member for a membrane element comprising an outer peripheral part for holding an annular sealing member, wherein the central opening has a cylindrical inner peripheral surface larger than the outer diameter of the central tube to be inserted.
- At three or more positions on the inner peripheral surface there is an inclined surface on the insertion side of the central tube, and there are formed protrusions that can be deformed when fitting a central tube with an outer diameter larger than the inscribed circle It is characterized by that.
- the protrusion that can be deformed when the center tube having an outer diameter larger than the inscribed circle is fitted on the inner peripheral surface of the central opening into which the center tube is inserted. For this reason, even if the outer diameter of the central tube varies, it can be dealt with by deformation of the projection. At that time, since the protrusions are provided at three or more positions on the inner peripheral surface, it can be held at the center of the central opening. In addition, since the projection has an inclined surface on the insertion side of the central tube, the central tube is guided and inserted by the inclined surface during insertion, and the projection can be smoothly deformed, and even after the deformation of the projection.
- an axial length of the protrusion is not more than half of an axial length of the inner peripheral surface.
- auxiliary protrusions having a height lower than that of the protrusions are formed on the inner peripheral surface. Even when the amount of deformation of the plurality of protrusions is increased by the auxiliary protrusions, variation in the amount of deformation of the individual protrusions can be reduced, and the central tube can be more securely held in the center.
- the auxiliary projection has an inclined surface on the insertion side of the central tube and has a bottom surface wider than the projection.
- a membrane element of the present invention includes a membrane element sealing material holding member according to any one of the above, a central tube inserted with the projections deformed, and a spiral shape in the central tube. And a wound film laminate.
- the central tube is held at the center of the sealing material holding member even if the outer diameter of the central tube varies as described above.
- the center tube can be easily inserted. For this reason, the center tube becomes a product with good appearance without being decentered, and a membrane element that can be smoothly attached to a pressure vessel or connected to a plurality of membrane elements can be provided.
- Fig. 1 is a half sectional view showing an attachment state of an example of a membrane element sealing material holding member of the present invention.
- Fig. 2 is a diagram showing an example of a membrane element sealing material holding member of the present invention. a) is a left side view, (b) is a cross-sectional view taken along the line A-A, and (c) is a right side view.
- FIG. 3 shows protrusions and auxiliary protrusions in the sealing member holding member for a membrane element of the present invention. Enlarged view of main parts
- FIG. 4 is a view showing another example of the sealing member holding member for a membrane element of the present invention, (a) is a left side view, (b) is a cross-sectional view taken along arrow I-I, and (c) is a right side view.
- FIG. 1 is a half cross-sectional view illustrating an attachment state of an example of the sealing member holding member for a membrane element of the present invention.
- FIG. 2 is a view showing an example of a sealing member holding member for a membrane element of the present invention, where (a) is a left side view, (b) is a cross-sectional view taken along line AA, and (c) is a right side view. is there.
- 3 (a) to 3 (d) are enlarged views of main parts showing protrusions and auxiliary protrusions in the membrane element sealing material holding member of the present invention. As shown in FIG.
- the sealing material holding member of the present invention flows the stock solution into the central opening 19 into which the central tube 6 of the spiral membrane element E is inserted and the membrane end of the membrane element E.
- the membrane element of the present invention comprises a sealing material holding member 10 of the present invention, a central tube 6 inserted with the projections 21 deformed, and a membrane laminate 2 wound around the central tube 6 in a spiral shape.
- the membrane element E may be any as long as it is called V or a so-called spiral membrane element.
- V a membrane laminate (one or a plurality of membrane leaves) in which a supply-side channel material, a separation membrane, and a permeate-side channel material are laminated is spirally wound around the central tube 6.
- the supply side flow channel has a sealing structure that prevents the stock solution from flowing directly into the permeate side flow channel.
- the undiluted solution flowing into the membrane element E flows downstream along the supply-side flow path material of the element E, and is separated by the separation membrane, and the permeate that has permeated the separation membrane flows. It flows along the road material and is collected in the central tube 6.
- the sealing material 4 is held by a sealing material holding member 10 attached to the end of the membrane element E.
- the sealing material 4 may have a circular, elliptical, or quadrangular cross section, but in the present invention, the cross section has a U-shaped, V-shaped, U-shaped, C-shaped or other open portion.
- Sealant 4 having is preferably used.
- the material of the sealing material 4 is preferably made of an elastic body such as rubber, elastomer, resin, etc., and the sealing material 4 having a U-shape, V-shape or the like is formed by the pressure when receiving a water flow. It spreads outward and can seal the gap with the pressure vessel in that state.
- the exterior member 5 for example, a structure in which a fiber reinforced resin roving, tape, sheet or the like is directly wound around the membrane element E can be used.
- the end portion of the exterior member 5 is preferably adhered to the first annular portion 11 of the sealing material holding member 10.
- the central tube 6 has a plurality of holes at appropriate intervals, and is formed of grease or the like.
- the upstream end of the central tube 6 is used by being plugged with a plug or the like in order to prevent inflow of the stock solution, or is connected to another membrane element E via an appropriate connecting member.
- the outer peripheral portion 18 of the sealing material holding member 10 has, for example, a side wall 11a facing the upstream membrane end of the membrane element E as shown in FIG. Extrapolation A first annular portion 11 that is formed on the upstream side of the first annular portion 11, and an annular convex portion 12 that can lock the end surface of the exterior member 5 and the downstream end surface of the sealing material 4 to both side walls, and A second annular portion 13 formed on the upstream side of the annular convex portion 12 and on which the sealing material 4 is extrapolated, and formed on the upstream side of the second annular portion 13 and capable of locking the upstream end face of the sealing material. And a third annular portion 14.
- the width of the annular protrusion 12 is preferably smaller than the width of the second annular part 13. Further, the width of the third annular portion 14 is preferably smaller than the width of the second annular portion 13.
- the width of the first annular portion 11 is 5 to 8 mm
- the width of the annular convex portion 12 is 3 to 5 mm
- the width of the second annular portion 13 is 7 to 9 mm
- the width of the third annular portion 14 Is preferably 3 to 5 mm.
- the outer diameter of the third annular portion 14 is smaller than the outer diameter of the annular convex portion 12, whereby the upstream side of the holding groove of the sealing material 4 is lowered, and the sealing material 4 is The structure is easy to receive water flow.
- an opening plate 15 having a plurality of peripheral openings 15a is provided as a structure for allowing the stock solution to flow into the membrane end of the membrane element E.
- the aperture plate 15 When the aperture plate 15 is employed, the flow rate distribution of the stock solution flowing into the membrane portion of the membrane element E can be easily controlled by the size, arrangement, density, and the like of the peripheral aperture 15a.
- the present invention is not limited to this, and any structure such as a radial spoke in place of the aperture plate 15 may be used!
- a cylindrical portion 16 is provided at the center of the opening plate 15, and the sealing material holding member 10 is disposed in a state where the central tube 6 is inserted into the central opening 19 of the cylindrical portion 16.
- the axial formation position of the protrusion 21 and the axial formation position of the aperture plate 15 are overlapped.
- the opening plate 15 reinforces the central tube 6, and the protrusion 21 can be smoothly deformed without deforming the central tube 6.
- the opening plate 15 is provided on the membrane side (downstream side) from the axial center position of the sealing material holding member 10, the axial length of the upstream inner peripheral surface of the outer peripheral portion 18 is increased. It becomes easy to carry by hooking a finger. From this point of view, holding the sealing material It is preferable to provide the protrusion 21 on the membrane side from the axial center position of the member 10.
- the central opening 19 has a cylindrical inner peripheral surface 16a larger than the outer diameter of the central tube 6 to be inserted.
- the clearance between the center tube 6 and the inner peripheral surface 16a can be set to, for example, about 0.3 to 2 mm in consideration of variations in the outer diameter of the center tube 6.
- a protrusion 21 is formed that can be deformed when the center tube 6 having an outer diameter larger than the contact circle is fitted inside.
- the protrusion 21 may be made of a material different from the material forming the inner peripheral surface 16a, but is preferably integrally molded with the same material as the inner peripheral surface 16a.
- the deformation of the protrusion 21 may be plastic deformation or elastic deformation.
- the position where the protrusion 21 is formed is most preferably a position where the inner circumferential surface 16a, which is preferably arranged without any deviation on the inner circumferential surface 16a, is more preferably divided equally.
- the number of protrusions 21 to be formed is more preferably 3 to 6, 3 to 6 where LO is preferred.
- protrusions 21 are formed at positions that divide the inner peripheral surface 16a into three equal parts.
- the protrusion 21 has an inclined surface 21a on the insertion side of the center tube 6, but the inclination angle 0 1 of the inclined surface 21a is From the viewpoint of smoothly inserting and deforming the protrusions 21, the angle is preferably 10 to 45 °, more preferably 15 to 35 °, and still more preferably 20 to 30 °.
- the inclined surface 21a of the protrusion 21 is not particularly limited as long as the height of the inclined surface 21a on the insertion side of the central tube 6 is reduced.
- the inclined surface 21a may be a flat surface, but the side view shape is preferably an arc shape.
- the molding material of the sealing material holding member 10 includes a polyolefin resin such as ABS resin, PE and PP, a modified PPE resin, a chlorinated resin resin, and a polysulfonate resin. It is preferable to use a relatively soft rosin such as It is also effective to make the protrusion 21 have the largest thickness on the bottom surface and to reduce the bottom surface width W1 in a side view. For example, the bottom surface width W1 of the protrusion 21 is 0.3 to 1 mm. It is preferable to do. Further, it is effective to reduce the length L1 of the main body 21b of the projection 21 when viewed from the front, and it is preferable to set the length L1 to 1 to 10 mm, more preferably 2 to 7 mm.
- the overall axial length of the protrusion 21 is the contact surface with the central tube where the protrusion is easily deformed. From the viewpoint of reducing the product area, it is preferable to make it shorter than the axial length of the inner peripheral surface 16a.
- the upper surface of the main body 21b of the protrusion 21 is more preferably an arcuate curved surface (for example, a curvature radius of 0.2 mm) that is preferably a curved surface.
- an auxiliary protrusion 22 having a lower height than the protrusion 21 is formed on the inner peripheral surface 16a.
- the position where the auxiliary protrusion 22 is formed may be any position, but in terms of design, the position where the inner peripheral surface 16a is equally divided together with the protrusion 21 is preferable.
- a total of three auxiliary protrusions 22 are formed at a position where the middle of the formation position of the protrusion 21 is divided into two equal parts.
- the difference in height between the protrusion 21 and the auxiliary protrusion 22 is preferably 0.2 to 0.8 mm force, more preferably 0.3 to 0.6 mm force ⁇ in consideration of variations in the outer diameter of the central tube 6. It's better!
- the height of the support protrusion 22 is preferably 0.2 to 1.2 mm.
- the auxiliary protrusion 22 preferably has an inclined surface 22a on the insertion side of the center tube 6. Further, the auxiliary protrusion 22 may be as easily deformed as the protrusion 21, but in order to make the auxiliary protrusion 22 more difficult to deform, the bottom width W2 is set to be lower than the bottom width W1 of the protrusion 21. It is preferable to make it large.
- the ratio of the bottom width W2 to the bottom width W1 (W2 ZW1) is preferably 1.1 to 3.
- the overall axial length of the auxiliary protrusion 22, the length L2 of the main body portion 22b in front view, the inclination angle ⁇ 2 of the inclined surface 22a, and the like can be set in the same manner as the protrusion 21.
- a plurality of ribs 17 extending from the radial direction are formed.
- the ribs 17 reinforce the aperture plate 15.
- the upstream rib 17 has the same height as the upstream end face of the cylindrical portion 16, but the downstream rib 17 has a lower end on the inner peripheral side, and this portion is formed in the cylindrical portion 16. It is the same height as the downstream end face.
- the end surface of the third annular portion 14 is provided with a plurality of end surface groove portions 14e extending from the inner periphery to the outer periphery. It is preferable to provide four or more end grooves 14e at equal intervals in a radial manner in order to smooth the flow of the raw water inside and outside the membrane element.
- the sealing material holding member 10 uses thermoplastic resin, thermosetting resin, heat-resistant resin, or the like. Then, it can be formed by a known method such as injection molding.
- the protrusion is formed at a position that divides the inner peripheral surface of the central opening into three equal parts, and three auxiliary protrusions are provided at a position that divides the middle of the protrusion formation position into two equal parts.
- the protrusion and the auxiliary protrusion may be formed at the front and rear positions in the axial direction.
- protrusions 21 and four auxiliary protrusions 22 are formed at positions that divide the inner peripheral surface 16a of the central opening 19 into four equal parts. Further, in this example, the shape of the rib 17 and the shape of the peripheral opening 15a are different from the above-described embodiment. As described above, as for the configuration other than the projection 21 and the auxiliary projection 22, any conventionally known configuration can be adopted.
- the protrusion in the present invention has an inclined surface on the insertion side of the central tube and has an inscribed circle. Any material and shape may be used as long as they can be deformed when a central tube having a larger outer diameter is fitted inside.
- the shape of the protrusion 21 in the front view may be an arc, a triangle, a trapezoid, or a trapezoid having an arcuate hypotenuse.
- the shape of the protrusion 21 in a side view may be a quadrangle, a trapezoid, a triangle, or the like.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/298,299 US7867394B2 (en) | 2006-04-24 | 2007-04-20 | Membrane element sealing material holding member and membrane element |
EP07742074.3A EP2025389B1 (en) | 2006-04-24 | 2007-04-20 | Membrane element sealing material holding member and membrane element |
CN2007800144735A CN101426564B (zh) | 2006-04-24 | 2007-04-20 | 膜元件用密封件保持部件以及膜元件 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006119106A JP5030465B2 (ja) | 2006-04-24 | 2006-04-24 | 膜エレメント用シール材保持部材および膜エレメント |
JP2006-119106 | 2006-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007123206A1 true WO2007123206A1 (ja) | 2007-11-01 |
Family
ID=38625106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/058639 WO2007123206A1 (ja) | 2006-04-24 | 2007-04-20 | 膜エレメント用シール材保持部材および膜エレメント |
Country Status (6)
Country | Link |
---|---|
US (1) | US7867394B2 (ja) |
EP (1) | EP2025389B1 (ja) |
JP (1) | JP5030465B2 (ja) |
KR (1) | KR100985424B1 (ja) |
CN (1) | CN101426564B (ja) |
WO (1) | WO2007123206A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023156509A1 (de) * | 2022-02-21 | 2023-08-24 | Evonik Operations Gmbh | Hochtemperatur-spiralwickelmodul aus metallischen komponenten |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0800774D0 (en) * | 2008-01-16 | 2008-02-27 | Graham William | Reverse osmosis apparatus |
JP5096388B2 (ja) * | 2008-02-21 | 2012-12-12 | 日東電工株式会社 | 膜エレメント用圧力容器及びこれを備えた膜濾過装置、並びに、膜濾過装置の製造方法 |
JP5401120B2 (ja) * | 2009-02-23 | 2014-01-29 | 日東電工株式会社 | 膜エレメント用端部部材及びこれを備えた膜エレメント |
ES2710496T3 (es) | 2009-10-12 | 2019-04-25 | Toray Industries | Sello de laberinto axial para sistemas de módulos de membrana enrollada en espiral |
KR101273573B1 (ko) | 2011-01-21 | 2013-06-11 | 웅진케미칼 주식회사 | 여과모듈용 연결조립체 |
JP5628709B2 (ja) * | 2011-02-28 | 2014-11-19 | 日東電工株式会社 | 分離膜モジュール |
US9914077B2 (en) | 2011-08-11 | 2018-03-13 | Nitto Denko Corporation | End member for spiral separation membrane element, spiral separation membrane element and separation membrane module |
JP5540124B2 (ja) * | 2013-01-09 | 2014-07-02 | 日東電工株式会社 | スパイラル型膜エレメント及びスパイラル型膜モジュール |
GB201317523D0 (en) | 2013-10-03 | 2013-11-20 | Fujifilm Mfg Europe Bv | Gas separation moduals |
WO2017019282A1 (en) * | 2015-07-29 | 2017-02-02 | Dow Global Technologies Llc | Filter assembly including spiral wound membrane module and brine seal |
EP3356020A1 (en) | 2015-09-30 | 2018-08-08 | Dow Global Technologies LLC | Filter assembly including spiral wound module, brine seal and end cap |
JP6723741B2 (ja) * | 2015-12-28 | 2020-07-15 | 日東電工株式会社 | 膜エレメント、及びこれに用いる膜エレメント用端部部材 |
CN106219681A (zh) * | 2016-09-29 | 2016-12-14 | 佛山市顺德区美的饮水机制造有限公司 | 反渗透膜元件、滤芯和反渗透净水器 |
WO2018094288A2 (en) * | 2016-11-19 | 2018-05-24 | Aqua Membranes Llc | Flow directing devices for spiral-wound elements |
WO2019204420A1 (en) * | 2018-04-19 | 2019-10-24 | Crosstek Membrane Technology | Helical separation membranes and technologies utilizing the same |
CN110975630A (zh) * | 2019-12-09 | 2020-04-10 | 时代沃顿科技有限公司 | 一种卷式膜元件端盖 |
WO2021193930A1 (ja) * | 2020-03-27 | 2021-09-30 | Nok株式会社 | 中空糸膜モジュール |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5662105U (ja) * | 1979-10-17 | 1981-05-26 | ||
JPS5758401U (ja) * | 1980-09-22 | 1982-04-06 | ||
JPH1176757A (ja) | 1997-08-29 | 1999-03-23 | Kawasaki Heavy Ind Ltd | ダイオキシン低減方法 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4181552A (en) * | 1978-04-21 | 1980-01-01 | Illinois Tool Works Inc. | Machine and method for forming a pleated and wound electrical capacitor with a metallized dielectric |
JPS5946363B2 (ja) * | 1979-04-06 | 1984-11-12 | 日本電信電話株式会社 | 平面回折格子の製法 |
US4296951A (en) * | 1979-06-29 | 1981-10-27 | Ladish Co. | Spheroidal interconnector for filtration modules |
JPS5662105A (en) | 1979-10-26 | 1981-05-27 | Matsushita Electric Works Ltd | Manufacture of artificial dressing veneer |
JPS5758401A (en) | 1980-09-26 | 1982-04-08 | Mitsubishi Electric Corp | Switcher for polarized wave |
JPS59127705A (ja) * | 1983-01-10 | 1984-07-23 | 株式会社 石田鉄工所 | 原木の皮剥機 |
US4517085A (en) * | 1983-09-15 | 1985-05-14 | Millipore Corporation | Filtration devices |
EP0272851A3 (en) * | 1986-12-22 | 1989-03-15 | Farathane, Inc. | Improved coupling |
JPH01267468A (ja) * | 1988-04-19 | 1989-10-25 | Nippon Steel Corp | 樹脂複合金属板の導電性監視方法 |
US5128037A (en) * | 1990-12-27 | 1992-07-07 | Millipore Corporation | Spiral wound filtration membrane cartridge |
US5651888A (en) | 1992-12-16 | 1997-07-29 | Kubota Corporation | Filtration membrane cartridge |
JP2943832B2 (ja) | 1993-01-21 | 1999-08-30 | 株式会社クボタ | 濾過膜モジュール |
WO1997006693A1 (en) * | 1995-08-11 | 1997-02-27 | Tortosa Pedro J | Anti-telescoping device for spiral wound membrane modules |
JPH11207156A (ja) | 1997-11-21 | 1999-08-03 | Toray Ind Inc | 流体分離素子組立体 |
DE69927312T2 (de) | 1998-03-20 | 2006-05-11 | Toray Industries, Inc. | Trennelemente für Fluide |
JPH11267468A (ja) * | 1998-03-23 | 1999-10-05 | Toray Ind Inc | 流体分離素子組立体 |
JPH11267469A (ja) | 1998-03-23 | 1999-10-05 | Toray Ind Inc | 流体分離素子組立体 |
JPH11267470A (ja) | 1998-03-24 | 1999-10-05 | Toray Ind Inc | 流体分離素子組立体および流体分離膜モジュール |
JP2000093761A (ja) | 1998-09-24 | 2000-04-04 | Toray Ind Inc | 流体分離素子 |
JP3553389B2 (ja) * | 1998-09-29 | 2004-08-11 | 東芝セラミックス株式会社 | セラミックフィルタの端部封止方法及びセラミックフィルタの端部封止装置 |
US6942797B1 (en) * | 1999-05-27 | 2005-09-13 | Nate International | Filtration using pressure vessel with multiple filtration channels |
US6632356B2 (en) | 2001-08-01 | 2003-10-14 | Dow Global Technologies Inc. | Separation membrane end cap |
US7063789B2 (en) * | 2003-08-13 | 2006-06-20 | Koch Membrane Systems, Inc. | Filtration element and method of constructing a filtration assembly |
JP4222279B2 (ja) * | 2003-09-17 | 2009-02-12 | 日東電工株式会社 | 膜エレメント用シール材保持部材および膜エレメント |
US7172697B2 (en) * | 2003-09-17 | 2007-02-06 | Nitto Denko Corporation | Seal ring holder for membrane element and membrane element |
JP4503430B2 (ja) | 2004-12-24 | 2010-07-14 | 月島機械株式会社 | 濾過装置 |
JP4648892B2 (ja) | 2005-12-22 | 2011-03-09 | 日東電工株式会社 | スパイラル型膜モジュール |
KR100955443B1 (ko) * | 2005-12-22 | 2010-05-04 | 닛토덴코 가부시키가이샤 | 스파이럴형 막 모듈 |
-
2006
- 2006-04-24 JP JP2006119106A patent/JP5030465B2/ja active Active
-
2007
- 2007-04-20 KR KR1020087023749A patent/KR100985424B1/ko active IP Right Grant
- 2007-04-20 WO PCT/JP2007/058639 patent/WO2007123206A1/ja active Application Filing
- 2007-04-20 CN CN2007800144735A patent/CN101426564B/zh active Active
- 2007-04-20 EP EP07742074.3A patent/EP2025389B1/en not_active Not-in-force
- 2007-04-20 US US12/298,299 patent/US7867394B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5662105U (ja) * | 1979-10-17 | 1981-05-26 | ||
JPS5758401U (ja) * | 1980-09-22 | 1982-04-06 | ||
JPH1176757A (ja) | 1997-08-29 | 1999-03-23 | Kawasaki Heavy Ind Ltd | ダイオキシン低減方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2025389A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023156509A1 (de) * | 2022-02-21 | 2023-08-24 | Evonik Operations Gmbh | Hochtemperatur-spiralwickelmodul aus metallischen komponenten |
Also Published As
Publication number | Publication date |
---|---|
US20090095670A1 (en) | 2009-04-16 |
CN101426564B (zh) | 2011-07-06 |
KR20080106321A (ko) | 2008-12-04 |
KR100985424B1 (ko) | 2010-10-05 |
JP5030465B2 (ja) | 2012-09-19 |
JP2007289830A (ja) | 2007-11-08 |
EP2025389A1 (en) | 2009-02-18 |
EP2025389A4 (en) | 2011-05-11 |
CN101426564A (zh) | 2009-05-06 |
EP2025389B1 (en) | 2013-11-27 |
US7867394B2 (en) | 2011-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007123206A1 (ja) | 膜エレメント用シール材保持部材および膜エレメント | |
KR100789041B1 (ko) | 막 요소용 시일 링 홀더 및 막 요소 | |
US7198719B2 (en) | Sealer holding member for membrane element and membrane element using the same | |
US6224767B1 (en) | Fluid separation element assembly | |
JP4222279B2 (ja) | 膜エレメント用シール材保持部材および膜エレメント | |
CN104039428A (zh) | 用于膜分离装置的密封板 | |
JP6748463B2 (ja) | 膜モジュール | |
US4006088A (en) | Snap-lock button-type fluid connector with recess | |
JP5389885B2 (ja) | 浄水装置 | |
JP5111804B2 (ja) | エアリフトポンプ | |
JP4955855B2 (ja) | 中空糸膜モジュールおよびその製造方法 | |
JPH11179352A (ja) | スパイラル型膜エレメント | |
JPH1028849A (ja) | スパイラル型膜モジュール | |
JP3758341B2 (ja) | スパイラル型膜モジュール | |
US20220032236A1 (en) | Fluid separation element | |
JP2004074024A (ja) | スパイラル型膜エレメント及びその製造方法 | |
JPH1157428A (ja) | 膜分離装置 | |
CN115920643A (zh) | 中空纤维膜组件 | |
JP2006055205A (ja) | 中空糸型血液浄化器 | |
CN109384320A (zh) | 净水机 | |
JP2005111445A (ja) | 中空糸型モジュール |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07742074 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200780014473.5 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12298299 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007742074 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 6419/CHENP/2008 Country of ref document: IN |