Method for producing a hollow fiber membrane module or a capillary membrane module
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/22
B01D-063/04
B01D-071/02
출원번호
US-0471091
(2002-03-15)
우선권정보
DE-0012863 (2001-03-16)
국제출원번호
PCT/DE02/00941
(2003-11-10)
§371/§102 date
20031110
(20031110)
국제공개번호
WO02/07442
(2002-09-26)
발명자
/ 주소
Stroh, Norbert
Stein-Roeder, Katja
H?fler, Thomas
Herterich, Uwe
출원인 / 주소
Fraunhofer-Gesellschaft zur Forderung der angewandten
대리인 / 주소
Breiner &
인용정보
피인용 횟수 :
16인용 특허 :
8
초록▼
The invention relates to a method for producing a hollow fiber membrane module or a capillary membrane module as well as a device having such a module. In the method, hollow fibers or capillaries are placed, in an unsintered state, in a mold structured for receiving the hollow fibers or capillaries
The invention relates to a method for producing a hollow fiber membrane module or a capillary membrane module as well as a device having such a module. In the method, hollow fibers or capillaries are placed, in an unsintered state, in a mold structured for receiving the hollow fibers or capillaries and are sintered once inside the mold. Subsequently or simultaneously, the fibers are potted in the mold. The method permits producing hollow fiber membrane modules or capillary membrane modules in a simple manner with little risk of breakage.
대표청구항▼
1. A method for producing a hollow fibers membrane module or capillaries membrane module, in which the hollow fibers or the capillaries are composed of a ceramic material or a material including a ceramic content, comprising placing said hollow fibers or said capillaries in an unsintered state in a
1. A method for producing a hollow fibers membrane module or capillaries membrane module, in which the hollow fibers or the capillaries are composed of a ceramic material or a material including a ceramic content, comprising placing said hollow fibers or said capillaries in an unsintered state in a mold structured for receiving said hollow fibers or said capillaries, connecting said hollow fibers or said capillaries with said mold by potting with a potting compound, and sintering said hollow fibers or said capillaries in said mold.2. A method according to claim 1, wherein the potting compound comprises a material including a ceramic content.3. A method according to claim 2, wherein said sintering of said hollow fibers or said capillaries and hardening of said potting compound occur in a common thermal processing step.4. A method according to claim 3, wherein material for said potting compound and the material for said hollow fibers or said capillaries are selected to have a thermal expansion coefficient which differs by less than 5*10?6 K?1.5. A method according to claim 2, wherein material for said potting compound and the material for said hollow fibers or said capillaries are selected to have a thermal expansion coefficient which differs by less than 5*10?6 K?1.6. A method according to claim 5, wherein the thermal expansion efficient of said material for said hollow fibers or said capillaries is equal to or greater than the thermal expansion coefficient of said material for said potting compound.7. A method according to claim 2, wherein said ceramic content of said potting compound includes powder particles, and said method further comprises solidifying said potting compound by altering a surface charge of the powder particles.8. A method according to claim 1, wherein the potting compound comprises a polymer or organic material.9. A method according to claim 1, wherein said hollow fibers or said capillaries are placed in bundles in said mold.10. A method according to claim 1, wherein said mold comprises porous ceramic or inorganic material.11. A method according to claim 1, wherein said mold includes elongated recesses for reception of said hollow fibers or said capillaries.12. A method according to claim 1, further comprising attaching said mold containing said hollow fibers or said capillaries to a housing by means of at least one seal in order to form a feed space and a permeate space which are separated from one another in a gas-tight manner by said at least one seal.13. A method according to claim 12, wherein said potting of said hollow fibers or said capillaries in said mold occurs in said housing with said potting compound, and said sintering of said hollow fibers or said capillaries in said mold occurs following said attaching of said mold to said housing and as a thermal processing step to sinter said hollow fibers or said capillaries and to harden said potting compound.14. A method according to claim 1, wherein said mold with said hollow fibers or said capillaries and said potting compound are provided with at least one coating.15. A device having a hollow fibers membrane module or a capillaries membrane module provided according to one of claims 1 to 11 or 30 comprising, a housing in which said mold of said hollow fibers membrane module or said capillaries membrane module is disposed in said housing in such a manner that a feed space and a permeate space are formed, wherein said housing includes a lumen inlet, a lumen outlet, an exterior inlet and an exterior outlet, and a seal between each of said feed space and said permeate space, said lumen inlet and said lumen outlet, and said exterior inlet and said exterior outlet, each said seal being present between said mold and said housing.16. A device according to claim 15, wherein said housing is designed as a metallic cartridge.17. A device according to claim 15, wherein said mold is cylindrical in shape, is held in said housing by at least one plug inserted at a front end of said housing, and is pressed to a tight fit by each said seal disposed at the front end between said mold and said housing.18. A device having a hollow fibers membrane module or a capillaries membrane module provided according to claims 12 or 13, wherein said housing includes a lumen inlet, a lumen outlet, an exterior inlet, and an exterior outlet, and a seal between each of said feed space and said permeate space, said lumen inlet and said lumen outlet, and said exterior inlet and said exterior outlet, each said seal being present between said mold and said housing.19. A device according to claim 18, wherein said housing is designed as a metallic cartridge.20. A device according to claim 18, wherein said mold is cylindrical in shape, is held in said housing by at least one plug inserted at a front end of said housing, and is pressed to a tight fit by each said seal disposed at the front end between said mold and said housing.
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