WO2010121628A1 - Module de filtration lavable à contre-courant ainsi qu'installation de filtration pour nettoyer des liquides chargés de particules - Google Patents

Module de filtration lavable à contre-courant ainsi qu'installation de filtration pour nettoyer des liquides chargés de particules Download PDF

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Publication number
WO2010121628A1
WO2010121628A1 PCT/EP2009/002342 EP2009002342W WO2010121628A1 WO 2010121628 A1 WO2010121628 A1 WO 2010121628A1 EP 2009002342 W EP2009002342 W EP 2009002342W WO 2010121628 A1 WO2010121628 A1 WO 2010121628A1
Authority
WO
WIPO (PCT)
Prior art keywords
filtration
filtration module
pressure accumulator
filtrate
backwashable
Prior art date
Application number
PCT/EP2009/002342
Other languages
German (de)
English (en)
Inventor
Peter Berg
Bos Meindert
Original Assignee
Inge Watertechnologies Ag
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 Inge Watertechnologies Ag filed Critical Inge Watertechnologies Ag
Priority to PCT/EP2009/002342 priority Critical patent/WO2010121628A1/fr
Publication of WO2010121628A1 publication Critical patent/WO2010121628A1/fr

Links

Classifications

    • 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
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/20—Accessories; Auxiliary operations
    • 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
    • B01D63/02—Hollow fibre 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
    • B01D63/02—Hollow fibre modules
    • B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
    • B01D63/046—Hollow fibre modules comprising multiple hollow fibre assemblies in separate housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/24—Specific pressurizing or depressurizing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/46—Supply, recovery or discharge mechanisms of washing members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04—Backflushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/12—Use of permeate

Definitions

  • the invention relates to a backwashable filtration module for the purification of particulate liquids, which has at least one inlet connection for the liquid to be filtered and at least one outlet connection for the filtrate. Furthermore, the invention also relates to a filter system consisting of such filtration modules.
  • the filtration systems of interest here are mainly used in facilities for water and wastewater treatment through to industrial plants. Filtration removes particles from contaminated liquids depending on the type of membrane used. The filtration process is simple and safe to carry out, without addition of chemicals and with low energy input can be displayed.
  • filtration modules which usually consist of elongated hollow cylinders as a housing, which serve to accommodate filtration membranes. Filtration modules have, for example, a plurality of individual porous capillary or flat membranes. The liquid to be filtered is pressed into it in the case of capillary membranes. Through the porous walls then penetrates the filtered liquid. However, the filtration can also be done in the opposite direction.
  • a filtration module contains an or several bundles of many individual such filtration membranes, which are end poured into the formation of terminals usually in synthetic resin. Here, the front sides of the filtration membranes remain free of synthetic resin, what the connection results.
  • module racks are racks for receiving the filtration modules and their connecting lines.
  • the filtration modules contained in the porous filtration membranes are backwashed at certain intervals with previously produced filtrate in order to detach and rinse out the contaminants adhering to the filtration membranes.
  • previously filtered water is usually collected in a tank outside the range of the filtration modules and pressed backwards through the membrane modules by means of a pump and a suitable valve circuit.
  • the object is achieved on the basis of a filtration system according to the preamble of claim 1 in conjunction with its characterizing features.
  • the following dependent claims give advantageous developments of the invention.
  • the invention includes the technical teaching that for backwashing the filtration modules with filtrate on the clean water side of the filtration module, preferably in the region of the rack of the filtration system, a - preferably from the outside - pressurized elastomer accumulator is integrated.
  • the elastomer pressure accumulator is usually a container which is divided by means of an elastomer into two chambers. In one chamber, for example, there is water, in the other a gas. If now with an overpressure further water pressed into the container, the gas is compressed. If the water pressure reduces again, water will escape from the accumulator due to the gas pressure.
  • the advantage of the inventive solution is in particular that dead water areas, which could be sources of contamination and contamination, are avoided.
  • an elastomeric pressure accumulator is used, which is placed directly in the normally flushed by the filtrate tube or module area of the filtration plant.
  • the solution of the invention has a space-saving effect, since no additional space outside the filtration module is claimed for the integration of the elastomeric pressure accumulator according to the invention. Furthermore, eliminates an otherwise conventional backwash pump.
  • Elastomer pressure accumulator can be preloaded the volume once to optimally adapt the system to the line pressure.
  • the gas is compressed by the inlet water pressure, so that it can expand during backwashing and previously filtered water pressed backwards through the membrane. If there is no water pressure in the inlet to supply the elastomer pressure accumulator, the water can also be pressed out of the accumulator with externally supplied compressed air.
  • the elastomeric pressure accumulator according to the invention is integrated in the region of the filtrate collecting line or in the region of the filtration module, specifically on the clean water side.
  • Connection to the elastomeric pressure accumulator is proposed according to another measure improving the invention, to form a connecting piece for pressurizing on the outer surface of the filtrate manifold or of the filtration module and in the region of the volume of the elastomer pressure accumulator.
  • Existence Filtratsammel technisch and Filtration module housing - as usual - from a plastic, so can such a connection piece with little effort, for example, by injection molding form.
  • the elastomer pressure accumulator essentially in the shape of a hollow cylinder, so that it can rest against the inner wall of the filtrate collecting line or the filtration module.
  • the outer circumferential surface of the hollow cylinder-like elastomer pressure accumulator can be made relatively rigid with respect to the inner wall, which is to expand when pressurized to achieve the desired increase in volume for the purpose of generating the Ruthêt horrs and volume.
  • the membrane module can also be designed as a cartridge itself.
  • the elastomeric pressure accumulator cylindrical, in which this is bent tubular and sealing edge on the inner wall of the filtrate manifold or the filtrate module is attached. In contrast to the above-mentioned embodiment, therefore, eliminates the outer surface and their function is replaced by the inner wall of the filtrate manifold or the filtration module.
  • This solution requires an absolute tightness in the boundary region between the front edge of the elastomeric material and the inner wall of the
  • Filtrate collection / filtration module to form the desired sealed volume.
  • a cohesive attachment in this area can be done via a suitable adhesive.
  • This disc-like clamping element can be formed by the Epoxidharzvergußmasse through which the individual filtration membranes are held end.
  • Figure 1 is a schematic representation of a filtration plant with several
  • Figure 2 is a side view in section of a filtration module in a first embodiment
  • FIG. 3 is a side view in section of a filtration module in a second embodiment.
  • the filtration system comprises a plurality of filtration modules Ia to Ic arranged in series, which are fluidically connected in parallel to one another.
  • the liquid to be filtered is fed by way of two intake lines 2a and 2b extending through the filtration system above and below the filtration modules 1a to 1c, via each end inlet connection 2a and 2b.
  • Each filtration module Ia to Ic also has a drain port 4 for the filtrate, which passes into a common overhead Filtratsammeltechnisch 5.
  • an elastomeric pressure accumulator 6 is integrated into the clean water side, here in the region of the filtrate manifold 5.
  • the elastomer pressure accumulator 6 can be acted upon from the outside with compressed air, in which it is valve-controlled via a connection piece 7 on the wall of the filtrate manifold 5 for backwashing.
  • the elastomeric pressure accumulator 6 is here shaped like a hollow cylinder and adheres to the inner wall of the filtrate manifold 5 at.
  • an elastomer pressure accumulator 6 ' is integrated within a filtration module 1.
  • the elastomeric pressure accumulator 6 ' is here designed cylindrical and insofar consists of a substantially rohrformigen elastomeric material, which is fixed edge sealingly on the inner wall of the filtration module 1.
  • the attachment takes place via an adhesive 10 mounted therebetween.
  • the connection point is positively supported by a disk-like clamping element 8, which is formed by the potting compound of the individual filtration membranes 9 held at the ends.
  • a molded connecting piece 7 ' is provided for the application of compressed air.
  • the upper valve is open while the lower one is closed.
  • the feed water is therefore forced to flow through the filtration membranes 9 to the drain port 4.
  • a valve is initially closed at the outlet connection 4, so that the same pressure is established in the filtration module 1 as in the feed line.
  • the gas contained in the elastomer pressure accumulator 6 ' is compressed and the volume of water in the filtration module 1 on the inlet side of the filtration membranes 9 is increased.
  • the upper valve is closed and immediately afterwards the lower valve is opened.
  • the dirty water outlet is generally pressure-free, the water pressure also decreases in the filtration module 1, so that the gas in the elastomer pressure accumulator 6 'expands and the water is forced backwards through the filtration membranes 9. Stored dirt is flushed out.
  • Drain connection 4 arranged at the bottom.
  • an elastomer pressure accumulator 6 can be used, which substantially corresponds to the structure of the elastomer pressure accumulator 6 'according to the embodiment described above.
  • the upper inlet connection 2a ' is used as the inlet and outlet connection for the dirty water.
  • the filtrate exits the filtration module 1 at the lower side, where a Ventlil must be attached, that is closed during the backwash.
  • the advantage of this design is that an additional filtrate connection on the side of the module is not required and that this filtration module 1 can be integrated inline into a line.
  • a pressure accumulator is biased without elastomer, with compressed air. This can then be relaxed during the backwashing shock and the dirt can be subsequently discharged with a pump.
  • the advantage here would be a very high initial pressure without a correspondingly large pump.

Abstract

L'invention concerne une installation de filtration pour nettoyer des liquides chargés de particules, notamment des eaux résiduaires, comprenant plusieurs modules de filtration (1a-1c) qui sont disposés verticalement en rang pour former un bâti et qui comportent chacun au moins un raccordement d'alimentation (2a, 2b) du côté frontal pour le liquide à filtrer ainsi qu'au moins un raccordement de sortie (4) pour le filtrat. Le liquide à filtrer parvient du côté eau sale par l'intermédiaire d'une conduite collectrice commune associée (3a; 3b) aux raccordements d'alimentation (2a, 2b) et le filtrat peut être soutiré du côté eau pure par l'intermédiaire d'une conduite collectrice de filtrat commune associée (5) des raccordements de sortie (4). Un accumulateur de pression élastomère (6; 6', 6") est intégré du côté eau pure dans la région du bâti pour le lavage à contre courant du module de filtration (1a-1c) avec le filtrat.
PCT/EP2009/002342 2009-03-31 2009-03-31 Module de filtration lavable à contre-courant ainsi qu'installation de filtration pour nettoyer des liquides chargés de particules WO2010121628A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/002342 WO2010121628A1 (fr) 2009-03-31 2009-03-31 Module de filtration lavable à contre-courant ainsi qu'installation de filtration pour nettoyer des liquides chargés de particules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/002342 WO2010121628A1 (fr) 2009-03-31 2009-03-31 Module de filtration lavable à contre-courant ainsi qu'installation de filtration pour nettoyer des liquides chargés de particules

Publications (1)

Publication Number Publication Date
WO2010121628A1 true WO2010121628A1 (fr) 2010-10-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/002342 WO2010121628A1 (fr) 2009-03-31 2009-03-31 Module de filtration lavable à contre-courant ainsi qu'installation de filtration pour nettoyer des liquides chargés de particules

Country Status (1)

Country Link
WO (1) WO2010121628A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2529826A1 (fr) * 2011-05-31 2012-12-05 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO System à filtrage comprenant un paroi latéral déformable
WO2014177638A2 (fr) 2013-05-02 2014-11-06 Basf Se Copolymères séquencés
WO2016066661A1 (fr) 2014-10-31 2016-05-06 Basf Se Copolymères utilisés pour la fabrication de membranes
WO2016184945A1 (fr) 2015-05-19 2016-11-24 Basf Se Compositions polymères contenant du polyuréthanne
WO2017045983A1 (fr) 2015-09-17 2017-03-23 Basf Se Procédé de fabrication de membranes
EP3159312A1 (fr) * 2015-10-21 2017-04-26 Doosan Heavy Industries & Construction Co., Ltd. Système de purification d'eau et module de lavage à contre-courant
US10058823B2 (en) 2013-06-03 2018-08-28 Basf Se Membranes
US10189943B2 (en) 2014-03-06 2019-01-29 Basf Se Copolymers suitable for making membranes
US10441925B2 (en) 2014-08-12 2019-10-15 Basf Se Process for making membranes
CN114836949A (zh) * 2022-05-16 2022-08-02 Tcl家用电器（合肥）有限公司 洗衣机
CN114855430A (zh) * 2022-05-16 2022-08-05 Tcl家用电器（合肥）有限公司 洗衣机的净水装置和洗衣机
CN114855430B (en) * 2022-05-16 2024-04-30 Tcl家用电器（合肥）有限公司 Water purifying device of washing machine and washing machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5234605A (en) * 1990-03-16 1993-08-10 John Reipur Filter backwashing system using moveable member responsive to closing of filter outlet
US5607593A (en) * 1993-11-30 1997-03-04 Otv Omnium De Trajtements Et De Valorisation S.A. Installation for making water potable with submerged filtering membranes
WO2006066319A1 (fr) * 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Clarification dans des systemes de filtration sur membrane
EP2008704A1 (fr) * 2007-06-29 2008-12-31 inge AG Installation de filtration dotée de plusieurs modules de filtration branchés en parallèle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5234605A (en) * 1990-03-16 1993-08-10 John Reipur Filter backwashing system using moveable member responsive to closing of filter outlet
US5607593A (en) * 1993-11-30 1997-03-04 Otv Omnium De Trajtements Et De Valorisation S.A. Installation for making water potable with submerged filtering membranes
WO2006066319A1 (fr) * 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Clarification dans des systemes de filtration sur membrane
EP2008704A1 (fr) * 2007-06-29 2008-12-31 inge AG Installation de filtration dotée de plusieurs modules de filtration branchés en parallèle

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10016704B2 (en) 2011-05-31 2018-07-10 Triskelion B.V. Filtration system, having a deformable wall
WO2012165963A1 (fr) * 2011-05-31 2012-12-06 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Système de filtration
CN103702746A (zh) * 2011-05-31 2014-04-02 荷兰应用自然科学研究组织Tno 过滤系统
CN103702746B (zh) * 2011-05-31 2016-03-16 荷兰应用自然科学研究组织Tno 过滤系统
EP2529826A1 (fr) * 2011-05-31 2012-12-05 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO System à filtrage comprenant un paroi latéral déformable
WO2014177638A2 (fr) 2013-05-02 2014-11-06 Basf Se Copolymères séquencés
US10144807B2 (en) 2013-05-02 2018-12-04 Basf Se Block copolymers
US10759908B2 (en) 2013-06-03 2020-09-01 Basf Se Polymers for membranes
US10058823B2 (en) 2013-06-03 2018-08-28 Basf Se Membranes
US10189943B2 (en) 2014-03-06 2019-01-29 Basf Se Copolymers suitable for making membranes
US10441925B2 (en) 2014-08-12 2019-10-15 Basf Se Process for making membranes
WO2016066661A1 (fr) 2014-10-31 2016-05-06 Basf Se Copolymères utilisés pour la fabrication de membranes
WO2016184945A1 (fr) 2015-05-19 2016-11-24 Basf Se Compositions polymères contenant du polyuréthanne
WO2017045983A1 (fr) 2015-09-17 2017-03-23 Basf Se Procédé de fabrication de membranes
EP3159312A1 (fr) * 2015-10-21 2017-04-26 Doosan Heavy Industries & Construction Co., Ltd. Système de purification d'eau et module de lavage à contre-courant
US10322361B2 (en) 2015-10-21 2019-06-18 DOOSAN Heavy Industries Construction Co., LTD Water purifying system and backwash module control method thereof
CN114836949A (zh) * 2022-05-16 2022-08-02 Tcl家用电器（合肥）有限公司 洗衣机
CN114855430A (zh) * 2022-05-16 2022-08-05 Tcl家用电器（合肥）有限公司 洗衣机的净水装置和洗衣机
CN114855430B (en) * 2022-05-16 2024-04-30 Tcl家用电器（合肥）有限公司 Water purifying device of washing machine and washing machine

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