WO2011148768A1 - Module de membrane de filtration - Google Patents

Module de membrane de filtration Download PDF

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Publication number
WO2011148768A1
WO2011148768A1 PCT/JP2011/060592 JP2011060592W WO2011148768A1 WO 2011148768 A1 WO2011148768 A1 WO 2011148768A1 JP 2011060592 W JP2011060592 W JP 2011060592W WO 2011148768 A1 WO2011148768 A1 WO 2011148768A1
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WO
WIPO (PCT)
Prior art keywords
filtration membrane
header
cover
water
filtration
Prior art date
Application number
PCT/JP2011/060592
Other languages
English (en)
Japanese (ja)
Inventor
孝行 宇賀神
英也 白石
Original Assignee
株式会社明電舎
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP2012517208A priority Critical patent/JP5403156B2/ja
Publication of WO2011148768A1 publication Critical patent/WO2011148768A1/fr

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    • 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
    • B01D63/08—Flat 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
    • B01D63/08—Flat membrane modules
    • B01D63/082—Flat membrane modules comprising a stack of flat membranes
    • 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
    • B01D63/06—Tubular membrane modules
    • B01D63/066—Tubular membrane modules with a porous block having membrane coated passages
    • 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
    • B01D63/08—Flat membrane modules
    • B01D63/082—Flat membrane modules comprising a stack of flat membranes
    • B01D63/0822—Plate-and-frame devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/21—Specific headers, end caps

Definitions

  • the present invention relates to a filtration membrane module used when treating purified water, sewage, industrial waste water, or the like.
  • a filtration membrane module composed of a plurality of tubular and plate-like filtration membranes (for example, ceramic membranes made of ceramic) has been used.
  • the filtration membrane module includes, for example, a header that fixes at least one end of the filtration membrane and integrates a plurality of filtration membranes, and a header that includes a filtrate outlet is fixed to the header.
  • a header that includes a filtrate outlet is fixed to the header.
  • FIG. 7 shows a cross-sectional view of the filtration membrane module of Patent Document 1.
  • the filtration membrane module 1 of Patent Document 1 one end of a plurality of tubular filtration membranes 2 is housed in a long hole formed in the header 3.
  • the cover 5 is liquid-tightly fixed to the header 3 by the fixing resin 4, covers one end opening side of the tubular filtration membrane 2, forms a water collection chamber 6 for collecting filtrate water, and the water collection chamber It has the discharge port 7 which discharges the filtrate water in 6 out of a module.
  • FIG. 8 is a cross-sectional view taken along line AA showing an example of a method for fixing the tubular filtration membrane 2 and the header 3 in Patent Document 1.
  • a seal member 8 and an assembly jig member 9 are used on one end opening side of the tubular filtration membrane 2.
  • the sealing member 8 prevents the fixing resin from entering the one end opening of the tubular filtration membrane 2.
  • the filtration membrane module 1 of this patent document 1 accommodates and fixes the tubular filtration membrane 2 in the long hole of the header 3, it can form a substantially plate-like filtration membrane from the several tubular filtration membrane 2 easily. it can.
  • the header 3 has a flat plate shape, it is easy to install the seal member 8 between the tubular filtration membrane 2 and the header 3. Further, the gap between the tubular filtration membrane 2 and the header 3 can be reliably sealed by the sealing member 8, and it is possible to reliably prevent the one end opening of the tubular filtration membrane 2 from being blocked by the fixing resin. .
  • FIG. 9 shows a schematic diagram of the filtration membrane module of Patent Document 2.
  • the filtration membrane module 11 of Patent Document 2 is integrally fixed when the header 13 is formed in a state where a plurality of filtration membranes 12 formed in a plate shape are arranged.
  • the header 13 is supported at both ends by the upper plate 15a, the lower plate 15b, the side plates 15c, 15c surrounding the four sides (upper, lower, left and right) of one end of the integrally fixed membrane 12, and the upper plate 15a and the lower plate 15b. And a partition plate 14 that separates the filtration membranes 12 arranged in a row, and a discharge port 17 that is formed in the side wall 15 and discharges filtered water.
  • the header 13 forms a separate water collection chamber 16 corresponding to each filtration membrane 12 by a partition plate 14, and the filtered water filtered by each filtration membrane 12 flows into this individual water collection chamber 16.
  • a part of the partition plate 14 is formed with a notch 19, and the notch 19 serves as a passage for guiding the filtrate in the individual water collecting chamber 16 to the collecting chamber 18.
  • the collecting chamber 18 is formed by the partition plate 14, and the filtered water flowing into the collecting chamber 18 is discharged from the discharge port 17 to the outside of the module.
  • the header 13 of the filtration membrane module 11 in Patent Document 2 has not only the fixation of the filtration membrane 12 but also functions of the individual water collection chamber 16 and the collection chamber 18.
  • the collecting chamber 18 can be used as a part of the piping when the filtration membrane modules 11 are stacked in multiple stages.
  • Patent Document 3 discloses a technique for integrating the header and the filtration membrane
  • Patent Document 4 discloses a technique in which the header includes a collecting chamber.
  • the drainage port 7 of the filtrate formed in the cover 5 is located in the same direction as the one end opening of the filtration membrane 2. In other words, the discharge ports 7 could not be directly connected to each other. Therefore, when the filtration membrane module 1 is stacked in multiple stages, a pipe and a connector for connecting the pipe and the discharge port 7 are required, which increases the cost and makes the connection work complicated. It was. Moreover, since the cover 5 and the header 3 are face-to-face bonding, the bonding strength is likely to be reduced.
  • the header 13 of the filtration membrane module 11 of Patent Document 2 is integrally fixed to the filtration membrane 12, and is formed in a casing shape by a front panel, a rear panel, an upper plate 15a, a lower plate 15b, and side plates 15c, 15c.
  • the housing-like header 13 penetrates from the rear panel and is provided with a filtration membrane 12, and a partition plate 14 is erected on the front panel side to provide an individual water collection chamber 16 and a collection chamber 18 corresponding to each filtration membrane 12. Forming.
  • the assembly chamber 18 has a simple configuration, and there is a concern about insufficient strength when the filtration membrane modules 11 are stacked in multiple stages. Moreover, in order to improve the strength of the header 13, it is necessary to make the back panel side of the header 13 robust, leading to an increase in cost.
  • each filtration membrane 12 is partitioned by the partition plate 14 in which the notch 19 is formed, even when pressure is applied from the discharge port 17 when the filtration membrane 12 is washed, There was a possibility that the pressure could not be transmitted into the flow passage and the cleaning effect could not be expected sufficiently.
  • the header 13 is not flat and has a complicated shape, it is complicated to provide the sealing member 8 for preventing the resin from entering between the header 13 and the filtration membrane 12 during casting.
  • a mold member 20 that forms a partition plate 14 and an individual water collection chamber 16 is prepared, and a seal member 8 is disposed at a tip portion of the mold member 20, and filtration is performed through the seal member 8.
  • the one end opening of the film 12 has to be brought into contact with the tip of the mold member 20.
  • JP 2006-15233 A International Publication No. WO2010 / 015374 JP 2005-125198 A JP-A-10-57775
  • One aspect of the present invention is to filter the water to be treated by a plurality of filtration membranes having a membrane body on the outer peripheral surface and having flow passages formed therein.
  • a filtration membrane module for discharging filtrate water out of the module wherein the filtration membrane module is formed in a housing shape having a flat plate-like header that integrally fixes at least one end side of the plurality of filtration membranes, and an opening. The opening is liquid-tightly sealed to form a collection chamber of filtrate water filtered by a filtration membrane, and the cover straddles between an upper plate and a lower plate of the cover.
  • the header is formed into a flat plate shape having a plurality of through holes by injection molding, molding, or machining, and the filtration membrane is formed in the through holes.
  • One end is inserted, and the header and the filtration membrane are integrally fixed by a fixing resin.
  • a flat header is formed on one end side of the filtration membrane by injection molding or molding.
  • the transfer water channel chamber has a water collection port having a part of a peripheral wall thereof in contact with the header and opened to each collecting chamber side.
  • a header is inserted into the cover, and the cover and the header are integrally fixed by a fixing resin.
  • cover, header, and fixing resin are made of epoxy resin or polyurethane resin.
  • a membrane filter module that can be stacked in a low cost and easily, and that has sufficient strength when stacked in multiple stages.
  • the top view which shows an example of the filtration membrane module in this embodiment.
  • the back side perspective view showing an example of the cover in this embodiment.
  • Sectional drawing which shows an example of the method of installing a header and a filtration membrane in a cover.
  • the front side perspective view which shows an example of the method of attaching the side panel in this embodiment to a cover.
  • Sectional drawing which shows an example of the conventional filtration membrane module.
  • the front view which shows the other example of the conventional filtration membrane module.
  • Sectional drawing which shows an example of the installation method of the sealing member in the conventional filtration membrane module.
  • the filtration membrane module 21 in this embodiment includes a plurality of filtration membranes (for example, filtration membranes made of ceramic formed in a plate shape) 22 arranged at intervals, and a plurality of the filtration membranes.
  • a flat plate-like header 23 fixed to at least one end of the filtration membrane 22, and attached to the back surface of the header 23 (the surface to which the ceramic membrane 22 is not fixed) so as to cover one end opening side of the filtration membrane 22.
  • a pair of covers 25 and a pair of side panels 26 provided on the side surfaces of the plurality of integrated filtration membranes 22.
  • the filtration membrane 22 may be tubular or plate-shaped as long as it has a film body on the outer peripheral surface and a flow passage is formed inside.
  • Examples of methods for integrally fixing the header 23 and the filtration membrane 22 include the following three methods (1) to (3).
  • the header 23 is formed by drilling through holes (perforating by machining) in a flat resin such as PVC.
  • the through hole is formed so that one end of the filtration membrane 22 can be inserted, and is formed at a predetermined interval.
  • One end of the filtration membrane 22 is inserted into the through-hole, and the header 23 is filled with a fixing resin, and the filtration membrane 22 and the header 23 are integrally fixed.
  • a through-hole (one end of the filtration membrane 22 is inserted from a liquid resin (for example, epoxy resin, polyurethane resin, etc.) at a predetermined interval by a molding means such as injection molding or molding (casting).
  • a flat header 23 having a possible through hole) is molded.
  • One end of the filtration membrane 22 is inserted into the through hole, and the header 23 is filled with a fixing resin, so that the header 23 and the filtration membrane 22 are integrally fixed.
  • a liquid resin for example, epoxy resin, polyurethane resin or the like
  • a flat header 23 is formed integrally with the filtration membrane 22.
  • an intermembrane spacer 30 is sandwiched between a plurality of filtration membranes (for example, plate-like filtration membranes) 22, and the outer periphery of the filtration membrane 22 and the intermembrane spacer 30 is bound by a binding member 31.
  • a seal member for example, a silicon sheet
  • the seal member 33 has a function of preventing the resin from entering one end opening of the filtration membrane 22.
  • one end side of the filtration membrane 22 is accommodated from the opening side of one mold 32, and the filtration membrane 22 is in a state where one end of the filtration membrane 22 is in contact with the seal member 33 attached to the inner wall of the bottom of the mold 32. Is placed. Also, the other mold 32 is placed on the other end of the filtration membrane 22 with the opening facing downward, and the seal member 33 affixed to the other mold 32 and the other opening of the filtration membrane 22 are brought into contact with each other.
  • a pair of molds 32 are connected by connecting bolts 32 a and the like, and a liquid resin (for example, epoxy resin, polyurethane resin) is injected into the lower mold 32 to be solidified.
  • a header 23 is formed.
  • the filtration membrane 22 and the pair of molds 32, 32 are turned upside down to inject and solidify the liquid resin into the unfilled mold 32, and the header 23 is attached to the other end of the filtration membrane 22.
  • the binding member 31 and the intermembrane spacer 30 are removed from the filtration membrane 22.
  • the filtration membrane 22 of the filtration membrane module 21 of the present invention is not limited in width, thickness, length, number of applied sheets, etc., but in this embodiment, width: 115 mm, thickness: 7 mm, length: 440 mm, Number of applied sheets: 12 sheets.
  • headers 23 are formed at both ends of the filtration membrane 22 as shown in FIG. 3 ((a) side view, (b) plan view).
  • a liquid resin for example, epoxy resin, polyurethane resin, etc.
  • the cover 25 form (not shown), and the housing has an opening as shown in FIG. 4 (back side perspective view).
  • the cover 25 is obtained.
  • the cover 25 is formed in a casing shape having an opening, and the opening is liquid-tightly sealed by the header 23 to form a filtrate water collecting chamber 28.
  • the cover 25 includes a frame 34 formed in a rectangular shape in a longitudinal section so that the header 23 is fitted, a cover main body 35 provided on the frame 34, and the frame 34 has a transfer water channel chamber 29 that spans between the upper plate 34a and the lower plate 34b.
  • the frame 34 is formed of an upper plate 34a, a lower plate 34b, and a pair of side plates 34c and 34c.
  • a contact portion A that contacts the header 23 is formed between the frame 34 and the cover main body 35 and in a part of the peripheral wall of the transfer water channel chamber 29. Further, a groove is formed between the frame 34 and the contact surface A as an injection portion 36 into which a fixing resin is injected.
  • a discharge port 27 for discharging filtered water to the outside is formed in the erection portion of the conveyance channel chamber 29 in the upper plate 34a and the lower plate 34b of the frame 34 (at the upper and lower ends of the conveyance channel chamber 29).
  • the back side of the header 23 (the side where the ceramic film 22 is not fixed) is connected to the back side of the cover 25. And is brought into contact with the contact surface A. Then, the fixing resin is injected from the injection portion 36 to be solidified, and the header 23 and the cover 25 are integrally fixed.
  • the fixing resin is preferably the same resin as the header 23 and the cover 25.
  • the space surrounded by the header 23 and the cover 25 becomes a collecting water collecting chamber 28 flowing out from one end opening of the filtration membrane 22.
  • the contact wall A that contacts (adheres to) the header 23 is formed on the peripheral wall of the transfer water channel chamber 29, and is gathered by the contact surface A of the transfer water channel chamber 29.
  • Chamber 28 is separated into two. Further, water collecting ports 37 are opened on both the collecting chambers 28 side of the transfer water channel chamber 29. The filtered water that has flowed into the two collecting chambers 28 from the filtration membrane 22 flows into the transfer water channel chamber 29 through the water collecting port 37, and is discharged from the discharge port 27 through the transfer water channel chamber 29.
  • FIG. 6 shows a front perspective view of the filtration membrane module 21 in the present embodiment.
  • a pair of side panels 26 is attached to the cover 25.
  • the frame 34 protrudes (for example, protrudes 8 mm) from the cover body 35, and the projection 41 is formed on the side of the side plates 34 c and 34 c of the frame 34 (on the cover body 28 side). Is formed.
  • the side panel (for example, a side panel made of SUS material having a thickness of 1 mm) 26 is formed by a side panel main body 42 and fitting portions 43 formed at both ends of the side panel main body 42.
  • the fitting portion 43 is bent so as to cover the side plate 34 c of the frame 34, and a notch portion 44 that engages with the protruding portion 41 is formed.
  • the fitting portion 43 is fitted to the frame 34 and the protruding portion 41 of the cover 25. This prevents the side panel 26 from falling off the cover 25 due to vibration caused by the water flow.
  • an O-ring groove 38 is formed in the discharge port (upper / lower end opening) 27 of the transfer water channel chamber 29.
  • O-rings are fitted into the O-ring grooves 38, and the upper and lower filtration membrane modules 21 and 21 'are connected via the O-rings.
  • the upper and lower filtration membrane modules 21 and 21 ′ are stacked in a multistage manner with the transport water channel chamber 29 connected.
  • suction pressure is applied to the flow passages of the filtration membranes 22 through the discharge port 27, the transfer water channel chamber 29, and the collecting chamber 28 by a suction pump (not shown).
  • a suction pump not shown
  • a part of the water to be treated is sucked into the flow passage from the outside of each filtration membrane 22 and filtered, and is collected from one end opening of each filtration membrane 22 into the collecting chamber 28, the transfer water channel chamber 29, and the water collecting port. 37, through the discharge port 27 and discharged to the outside of the membrane filter module 21.
  • the filtration membrane module 21 of this embodiment forms a collecting chamber 28 with a frame 34, a cover main body 35 surrounded by the frame 34, and a flat header 23.
  • the cover 25 is formed in a casing shape having an opening, and the flat header 23 is immersed and fixed in the cover 25. Therefore, compared with the membrane filter module 1 of Patent Document 1, Liquid-tight fixation between the cover 25 and the header 23 is facilitated, and the bonding strength between the cover 25 and the header 23 is not easily lowered. As a result, the header 23 and the cover 25 can be easily fixed, which contributes to the improvement of productivity.
  • the header 23 is a simple flat plate shape, it is easy to arrange the seal member 33 between the header 23 and the filtration membrane 22 and it can be surely sealed. As a result, the header 23 and the filtration membrane 22 can be easily fixed, which contributes to improvement in productivity.
  • the flow passages of the individual filtration membranes 22 are opened to the collecting chamber 28 side, and a plurality of water collecting ports 37 are opened to the collecting chamber 28 side of the transfer water channel chamber 29, the back pressure from the discharge port 27 is increased.
  • the pressure applied to the transport water channel chamber 29 can be reliably applied to the flow passage of the filtration membrane 22, and a high washing effect can be expected.
  • by forming the abutting portion A in the transfer water channel chamber 29 and separating the collecting chamber 28 into two it becomes easier to transmit a sufficient pressure to the flow passage of the filtration membrane 22 and a high cleaning effect can be expected. .
  • a drain outlet 27 of the filtrate is formed at a position in the vertical direction of the header 23. Therefore, when the filtration membrane modules 21 are stacked in multiple stages, the mutual discharge ports 27 can be connected via the O-ring. As a result, the filtration membrane modules 21 and 21 'can be easily stacked in multiple stages.
  • the cover 25 of the present embodiment has a housing shape, and is further fixed integrally with the header 23 along the cover body 35 (by the contact surface A formed around the cover body 35). Strength is obtained. Furthermore, since the transport water channel chamber 29 is formed in the cover 25 of the present embodiment, the strength can be improved as compared with the filtration membrane module 11 of Patent Document 2. Moreover, the contact surface A with the header 23 is formed in the conveyance channel chamber 29, and the contact surface A and the header 23 are bonded together, so that deformation between the header 23 and the cover 25 is suppressed. As a result, when the filtration membrane modules 21 and 21 'are stacked in multiple stages, the concern about insufficient strength of the cover 25 is solved.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

La présente invention concerne un module de membrane de filtration, comprenant des embases en forme de plaque plane (23) sur lesquelles est fixé au moins un côté d'extrémité de chaque membrane de filtration (22), ainsi que des couvercles (25) ayant une forme de logement et comportant des ouvertures fermées de manière étanche par les embases (23) afin de former des chambres de recueil (28) pour recueillir l'eau filtrée qui a été filtrée par les membranes de filtration (22). Les couvercles (25) comprennent chacun : une chambre de chemin d'adduction d'eau (29) placée de façon à ponter et raccorder la plaque supérieure (34a) et la plaque inférieure (34b) du couvercle (25) ; une ouverture de recueil d'eau (37), formée dans la partie de la chambre de chemin d'adduction d'eau (29) située du côté de sa chambre de recueil (28) ; et des ouvertures de décharge (27), formées dans des sections de raccordement de la chambre de chemin d'adduction d'eau (29) situées au niveau de la plaque supérieure (34a) et de la plaque inférieure (34b) du couvercle (25). Il en résulte la possibilité d'empiler en étages des modules de membrane de filtration présentant une telle configuration de manière économique et facile, les modules ainsi empilés en étages offrant une résistance suffisante.
PCT/JP2011/060592 2010-05-26 2011-05-06 Module de membrane de filtration WO2011148768A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012517208A JP5403156B2 (ja) 2010-05-26 2011-05-06 濾過膜モジュール

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010119951 2010-05-26
JP2010-119951 2010-05-26

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Publication Number Publication Date
WO2011148768A1 true WO2011148768A1 (fr) 2011-12-01

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014014736A (ja) * 2012-07-06 2014-01-30 Meidensha Corp 膜モジュール及び膜モジュールの製造方法並びに膜ユニット
WO2014030629A1 (fr) * 2012-08-20 2014-02-27 株式会社明電舎 Module de membrane de filtration et son procédé de fabrication
JP2015047523A (ja) * 2013-08-30 2015-03-16 トクラス株式会社 浄水カートリッジ、及び、浄水器
WO2016041956A1 (fr) * 2014-09-15 2016-03-24 Nanostone Water Gmbh Système de filtre
WO2016112121A1 (fr) * 2015-01-06 2016-07-14 Nanostone Water Inc. Dispositif de fixation pour ensemble membrane et procédés associés
WO2020128059A1 (fr) * 2018-12-21 2020-06-25 Nanostone Water Gmbh Membrane avec matériau d'enrobage amélioré

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015203032A1 (de) 2015-02-19 2016-08-25 Nanostone Water Gmbh Vorrichtung zur Herstellung eines Kopfteils eines Filtermoduls

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Publication number Priority date Publication date Assignee Title
JP2006021109A (ja) * 2004-07-07 2006-01-26 Kobelco Eco-Solutions Co Ltd 中空糸膜モジュール及びそれを用いた水処理装置
JP2007245100A (ja) * 2006-03-20 2007-09-27 Kubota Corp 膜モジュール
JP2009039654A (ja) * 2007-08-09 2009-02-26 Hitachi Zosen Corp 分離膜モジュール

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006021109A (ja) * 2004-07-07 2006-01-26 Kobelco Eco-Solutions Co Ltd 中空糸膜モジュール及びそれを用いた水処理装置
JP2007245100A (ja) * 2006-03-20 2007-09-27 Kubota Corp 膜モジュール
JP2009039654A (ja) * 2007-08-09 2009-02-26 Hitachi Zosen Corp 分離膜モジュール

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014014736A (ja) * 2012-07-06 2014-01-30 Meidensha Corp 膜モジュール及び膜モジュールの製造方法並びに膜ユニット
WO2014030629A1 (fr) * 2012-08-20 2014-02-27 株式会社明電舎 Module de membrane de filtration et son procédé de fabrication
JP2015047523A (ja) * 2013-08-30 2015-03-16 トクラス株式会社 浄水カートリッジ、及び、浄水器
CN104418402A (zh) * 2013-08-30 2015-03-18 托客乐思股份有限公司 净水筒和净水器
WO2016041956A1 (fr) * 2014-09-15 2016-03-24 Nanostone Water Gmbh Système de filtre
US10427105B2 (en) 2014-09-15 2019-10-01 Nanostone Water Inc. Filter device
WO2016112121A1 (fr) * 2015-01-06 2016-07-14 Nanostone Water Inc. Dispositif de fixation pour ensemble membrane et procédés associés
CN107206326A (zh) * 2015-01-06 2017-09-26 纳诺斯通水务公司 用于膜组件的固定装置和相关方法
WO2020128059A1 (fr) * 2018-12-21 2020-06-25 Nanostone Water Gmbh Membrane avec matériau d'enrobage amélioré

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JPWO2011148768A1 (ja) 2013-07-25

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