WO2015043847A1 - Hollow fiber filter module - Google Patents
Hollow fiber filter module Download PDFInfo
- Publication number
- WO2015043847A1 WO2015043847A1 PCT/EP2014/067832 EP2014067832W WO2015043847A1 WO 2015043847 A1 WO2015043847 A1 WO 2015043847A1 EP 2014067832 W EP2014067832 W EP 2014067832W WO 2015043847 A1 WO2015043847 A1 WO 2015043847A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- filter module
- potting
- filter housing
- end cap
- Prior art date
Links
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 38
- 238000004382 potting Methods 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 description 16
- 239000012530 fluid Substances 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012465 retentate Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000642 polymer Polymers 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
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/0233—Manufacturing thereof forming the bundle
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/02—Specific tightening or locking mechanisms
-
- 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 invention relates to a filter module according to the preamble of claim 1.
- Ceramic filter modules with hollow fibers are known, which run parallel to one another and are bordered on the end face in disk-shaped pottings, which are made of a ceramic material.
- the filter unit with the hollow fibers and the pottings is inserted into a cylindrical housing, wherein, according to DE 10 2005 008 900 A1, the pottings form the frontal end of the filter module.
- the front end of the filter housing is formed by end caps, which are screwed to the filter housing.
- On the front side of the filter housing a radially outwardly directed collar is formed, which is associated with a corresponding collar on the end cap, wherein screws are guided by the superposed collar parallel to the longitudinal axis of the filter module.
- the invention has for its object to form a filter module in a structurally simple way stable and easy to install. This object is achieved with the features of claim 1.
- the dependent claims indicate expedient developments.
- the filter module according to the invention has a filter housing and a filter unit inserted into the filter housing, which comprises a plurality of hollow fibers between frontal pottings.
- the hollow fibers are in this case embedded in the front pottings and extend to the outer end face of Pottungen.
- the hollow fibers are flowed through axially by the fluid to be cleaned, in particular in such a way that uncleaned fluid is introduced axially into the hollow fibers and the substance to be filtered out through the porous walls of the hollow fibers in the fluid. passes, which contains the permeate.
- the remaining fluid in the hollow fibers is derived on the opposite end side as a retentate or concentrate axially from the filter unit and may optionally be returned to the cleaning circuit.
- the hollow fibers can also be flowed through in such a way that unpurified fluid is introduced into the region outside the hollow fibers and the substance to be filtered out in the fluid passes through the porous walls into the hollow fibers.
- the entire filter unit with the hollow fibers and the front pottings, in which the hollow fibers are received, is inserted into the filter housing, on the end face of an end cap is detachably placed. It may optionally be present on each end face in each case an end cap, wherein also embodiments with a pot-shaped filter housing and loop-shaped or U-shaped arrangement of the hollow fibers come into consideration, in which only an end cap is placed on the open end.
- the end cap is to be connected by means of a connecting element both with the filter housing and with a Pottung, wherein the connecting element is guided radially from the outside by an overlapping region of the filter housing and end cap and protrudes into the Pottung.
- a plurality of connecting elements are provided, each projecting axially in the amount of Pottung radially from outside to inside through the end cap and the filter housing and connect them with the Pottung.
- three or four connecting elements distributed over the circumference may be provided.
- the end cap engages over the frontal section of the filter housing, which rests directly on the radially outer circumferential side of the potting. In principle, however, is also a design into consideration, in which the end cap rests directly on the peripheral side of the potting and is overlapped by the filter housing.
- the connecting element is, according to further expedient embodiment, designed as a screw which can be screwed into the potting.
- the screw can be solved if necessary in a simple manner again.
- no further connection measures are required for the fixation of the end cap on the filter housing.
- a support member is arranged on the end face of the filter housing, which is formed separately from the filter housing, but connected to the filter housing.
- the carrier part which is preferably of annular design, is located axially in the amount of the potting and participates in the connection via the connecting element.
- the carrier part is preferably designed as a plastic injection-molded part, which can be placed on the end face of the filter housing or molded directly onto the end face of the filter housing.
- the carrier part can also be dispensed with;
- the wall of the filter housing engages over the potting and participates in the connection with the end cap.
- a sealing ring may be arranged, which is held in particular by the potting.
- an annular shoulder is introduced into the potting, which serves for receiving and supporting the sealing ring in the radial direction and / or in the axial direction.
- the sealing ring can be located either axially on the side of the potting facing away from the hollow fibers or on the side of the potting facing the hollow fibers.
- a circumferential groove in the radially outer peripheral side of the potting is introduced for receiving the sealing ring, wherein the groove has an axial distance to both end faces of the potting.
- the sealing ring is acted upon by the immediately adjacent to the peripheral side of the potting component, so the filter housing or the end cap, with a radial force and optionally with an axial force.
- a flow-proof film is provided in the filter unit, which extends between the two end-side pottings and closes the interior, in which the hollow fibers extend, in a radially flow-tight manner to the outside.
- the film may for example be embedded in the end pottings, but it may also be held on the inner end face or on the radially outer circumferential surface of the potting, for example, be glued.
- the film separates the raw from the clean side so that lower sealing requirements can be met, for example, by means of a sealing ring at the level of the potting.
- the hollow fibers may be formed as ceramic hollow fibers, and the pottings may be made of a ceramic material. Possibly. Hollow fibers made of another material such as a polymer are also suitable.
- FIG. 1 shows a section along a ceramic filter module, with a filter unit comprising ceramic hollow fibers between two Pottungen, wherein the filter unit is inserted into a filter housing with frontally patched end cap, 2 shows a section through a ceramic filter module in a variant.
- the same components are provided with the same reference numerals.
- a ceramic, cylindrical filter module 1 for the filtration of gaseous or liquid fluids is shown.
- the filter module 1 has a filter unit 2, which comprises a plurality of parallel ceramic hollow fibers 3 between end pottings 4.
- the filter module 1 and the filter unit 2 accommodated therein are embodied symmetrically to a mirror axis 5 which extends orthogonally to the longitudinal axis 6 of the filter module 1.
- the frontal portions of the ceramic hollow fibers 3 are embedded in the Potteptept 4, which may also consist of a ceramic material.
- the open end faces of the ceramic hollow fibers 3 terminate with the outwardly directed end faces of the pottings 4, so that an inflow or outflow of fluid beyond the end faces of the pottings 4 into or out of the ceramic hollow fibers 3 is possible ,
- the filter unit 2 is inserted into a filter housing 7, which is to be closed by an end cap 8 on the front side. Also with respect to the filter housing 7 and the end cap 8, a mirror-symmetrical design with reflection on the axis 5 is possible, so that in each case an end cap 8 is provided in the region of both Pottungen 4; but is also possible a version with cup-shaped filter housing and only one end cap on the open end of the filter housing.
- the end cap 8 surrounds an outer face of the Pottung 4 upstream space 9, which is separated from the atmosphere of the end cap 8 and opposite the lying between the Pottache 4 interior 10 through which the ceramic hollow fibers 3 are axially guided.
- the raw fluid is introduced into the ceramic hollow fibers 3, for example, via the space 9, which is axially upstream of one of the pottings.
- the permeate enters radially through the walls of the ceramic hollow fibers in the interior 10, from which the permeate can be derived via connections from the filter housing.
- the remaining fluid in the hollow fibers is on the opposite end face the Pottung 4 derived as a retentate or concentrate axially from the filter module 1 and may optionally be returned to the cleaning cycle.
- the end cap 8 is screwed to the potting 4 by means of a connecting screw 16.
- the connecting screw 16 forms a connecting element and is guided radially from the outside through the wall of the end cap 8 and a support part 1 1 and projects into the Pottung 4, with which the screw is screwed.
- a plurality of connecting screws 16 can be provided over the circumference in order to achieve a uniform force distribution for securing and holding the end cap 8 to the filter housing 7 and the potting 4.
- both the filter housing 7 and the end cap 8 are connected to the potting 4 in the radial direction via the connecting screw.
- About the connecting screw 16 act only radial forces that can be absorbed by the Pottung 4.
- the end cap 8 engages over the support part 1 1, which is formed separately from the filter housing 7, but is firmly connected to the end face of the filter housing 7.
- the support part 1 1 is annular and formed as a plastic injection-molded component, which is either connected to the filter housing 7 or molded directly onto the end face of the filter housing 7.
- the annular support part 1 1 extends axially over the entire length of the peripheral side of the Pottung 4. By contrast, it is sufficient that the end cap 8 extends axially over only a partial length of the Pottung 4.
- a sealing ring 12 is provided, which rests against the radially outer peripheral side of the potting 4 and is inserted into an annular shoulder 13 in the potting 4.
- the annular shoulder 13 is located adjacent to the peripheral side and axially on the ceramic hollow fibers 3 facing end face of the potting 4, so that the sealing ring 12 can be supported radially and axially on the Pottung 4.
- the annular support part 1 1 of the filter housing 7 abuts against the sealing ring 12 and acts on this with a radially inwardly directed force.
- the filter module 1 according to FIG. 2 also has a filter unit 2 with a multiplicity of parallel ceramic hollow fibers 3 between frontal side pottings 4 on.
- the interior 10 is closed in the filter unit 2 by a circumferential film 15, which is formed flow-tight and completely encloses the interior 10 with the ceramic hollow fibers 3.
- the end faces of the film 15 are embedded in the Pottungen 4.
- the flow-tight film 15 provides for an additional separation of the inner space 10 from the environment or the space 9, which is directly upstream of the outer end face of the Pottung 4 axially.
- a further sealing is achieved via the sealing ring 12, which is inserted into a circumferential groove 14 on the radially outer circumferential side of the potting 4 and against which the inside of the housing wall of the filter housing 7 rests.
- the sealing ring 12 or the groove 14 is located axially in the center of the potting 4 with a respective axial distance to each end face of the potting.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014004414.8T DE112014004414A5 (en) | 2013-09-27 | 2014-08-21 | Hollow fiber filter module |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013016072.3A DE102013016072A1 (en) | 2013-09-27 | 2013-09-27 | filter module |
DE102013016072.3 | 2013-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015043847A1 true WO2015043847A1 (en) | 2015-04-02 |
Family
ID=51454658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/067832 WO2015043847A1 (en) | 2013-09-27 | 2014-08-21 | Hollow fiber filter module |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102013016072A1 (en) |
WO (1) | WO2015043847A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4961760A (en) * | 1989-02-09 | 1990-10-09 | The Dow Chemical Company | Hollow fiber membrane fluid separation device adapted for boreside feed |
EP0441721A1 (en) * | 1990-02-09 | 1991-08-14 | Hospal Industrie | Hollow fibre apparatus |
EP0627254A1 (en) * | 1993-06-01 | 1994-12-07 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Hollow fiber membrane separation device with a housing made from a flexible material |
WO2000067885A1 (en) * | 1999-05-05 | 2000-11-16 | Alberta Research Council Inc. | Hollow-fiber membrane devices and methods of assembly |
DE102005008900A1 (en) | 2005-02-26 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Process for producing gastight and temperature-resistant modules with ceramic hollow fiber or capillary membranes |
EP1875955A1 (en) | 2005-04-13 | 2008-01-09 | NOK Corporation | Hollow fiber membrane module and method of manufacturing the same |
WO2012125003A2 (en) * | 2011-03-16 | 2012-09-20 | 코오롱인더스트리 주식회사 | Filtration device and hollow-fiber membrane module |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3611623A1 (en) * | 1985-04-27 | 1986-10-30 | Akzo Patente GmbH, 42103 Wuppertal | Mass transfer unit and/or heat exchanger |
DE4027531C1 (en) * | 1990-08-31 | 1991-07-25 | Fresenius Ag, 6380 Bad Homburg, De | Filter for sterilising aq. soln. e.g. dialysis liq. - where incoming liq. flows between 1st antechamber, and fibre interiors into 2nd antechamber |
EP1656196B1 (en) * | 2003-08-25 | 2009-09-23 | Pall Corporation | Filtering device |
US9061251B2 (en) * | 2011-09-27 | 2015-06-23 | Markel Corporation | Self sealing membrane contactor with PTFE tubular membranes |
-
2013
- 2013-09-27 DE DE102013016072.3A patent/DE102013016072A1/en not_active Withdrawn
-
2014
- 2014-08-21 DE DE112014004414.8T patent/DE112014004414A5/en active Pending
- 2014-08-21 WO PCT/EP2014/067832 patent/WO2015043847A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4961760A (en) * | 1989-02-09 | 1990-10-09 | The Dow Chemical Company | Hollow fiber membrane fluid separation device adapted for boreside feed |
EP0441721A1 (en) * | 1990-02-09 | 1991-08-14 | Hospal Industrie | Hollow fibre apparatus |
EP0627254A1 (en) * | 1993-06-01 | 1994-12-07 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Hollow fiber membrane separation device with a housing made from a flexible material |
WO2000067885A1 (en) * | 1999-05-05 | 2000-11-16 | Alberta Research Council Inc. | Hollow-fiber membrane devices and methods of assembly |
DE102005008900A1 (en) | 2005-02-26 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Process for producing gastight and temperature-resistant modules with ceramic hollow fiber or capillary membranes |
EP1875955A1 (en) | 2005-04-13 | 2008-01-09 | NOK Corporation | Hollow fiber membrane module and method of manufacturing the same |
WO2012125003A2 (en) * | 2011-03-16 | 2012-09-20 | 코오롱인더스트리 주식회사 | Filtration device and hollow-fiber membrane module |
Also Published As
Publication number | Publication date |
---|---|
DE112014004414A5 (en) | 2016-06-16 |
DE102013016072A1 (en) | 2015-04-02 |
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