[특허]Process and installation for supplying nitrogen with the aid of semi-permeable membranes using a variable membrane geome

Process and installation for supplying nitrogen with the aid of semi-permeable membranes using a variable membrane geome 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/22 B01D-071/62
출원번호	US-0348982 (1994-11-28)
우선권정보	FR-0014174 (1993-11-26)
발명자 / 주소	Barry Lionel (Versailles FRX)
출원인 / 주소	L\Air Liquide Societe Anonyme pour l\Etude et l\Exploitation des Procedes Georges Claude (Paris FRX 03)
인용정보	피인용 횟수 : 22 인용 특허 : 0

초록 ▼

A process for supplying a flow of nitrogen to a site having flowrate requirements varying between a nominal flowrate and a range situated thereabove comprising: a) passing compressed air into a main line in a separating assembly formed by at least two membrane separation lines mounted in parallel, wherein at least one of the separation lines can be shut off from the main line, the separating assembly having one of the following configurations: a1) when the flowrate requirements are situated at a level of the nominal flowrate, all of the membrane separators of the assembly are in operation, none of the separating lines being shut off; a2) when the flowrate requirements of the site exceed a predetermined flowrate, at least one of the lines of the separating assembly is shut off, keeping at least one separation line and its membrane separator in operation; b) advancing nitrogen gas obtained at the outlet side of each of the membrane separators to a collector connected downstream of the main line; c) evacuating gas obtained at the permeate side of each of the membrane separators in operation in stage 2), enriched with oxygen; and d) directing nitrogen gas delivered by the collector towards at least one user station via a control device for controlling flowrate delivered by the collector, increasing or reducing this flowrate if necessary.

대표청구항 ▼

A process for supplying a flow of nitrogen to a site having flowrate requirements which vary between a nominal flowrate and a range situated above said nominal flowrate comprising the steps of: a) passing compressed air into a main line in a separating assembly formed by at least two membrane separation lines mounted in parallel, each including a membrane separator having an outlet side and a permeate side, wherein at least one of the separation lines can be shut off from the main line, said separating assembly having one of the following configurations: a1) when the flowrate requirements are situated at a level of the nominal flowrate, all of the membrane separators of the assembly are in operation, none of the separating lines being shut off; a2) when the flowrate requirements of the site exceed a predetermined flowrate, at least one of the lines of the separating assembly is shut off, keeping at least one separation line and its membrane separator in operation; b) advancing nitrogen gas obtained at the outlet side of each of the membrane separators in operation in step a) to a collector itself connected downstream of the main line; c) evacuating gas obtained at the permeate side of each of the membrane separators in operation in step a), enriched with oxygen, towards the external atmosphere or advancing the gas to a user station requiring use of a gas of this kind enriched with oxygen; and d) directing nitrogen gas delivered by the collector towards at least one user station via a control device for controlling flowrate delivered by the collector, optionally increasing or reducing this flowrate.

이 특허를 인용한 특허 (22)

Victor P. Crome ; Alan J. Yoder, Air separation module using a fast start valve for fast warm up of a permeable membrane air separation module.
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Garrett Michael E.,GBX, Controlling atmospheres in containers.
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Leigh,James E.; Fellague,Kader A.; Isella,Giorgio C.; Roach,Paul J., Gas generating system and method for inerting aircraft fuel tanks.
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Leigh,James E.; Fellague,Kader A.; Isella,Giorgio C.; Roach,Paul J., Gas generating system and method for inerting aircraft fuel tanks.
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Barry Lionel,FRX ; Goeler Patrice,FRX, Gas separation plant and use of such a plant for producing a gas.
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Delp, II, William H.; Barbosa, Rui M., Hyperbaric chamber system and related methods.
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Vigliotta, Michael, Inerting fuel systems, methods, and apparatuses.
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Pierre Olivier Dolle FR; Christian Monereau FR, Installation and process for the separation of gas by selective permeation.
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Barnhard Jeffrey Charles ; Meredith Brian Michael ; Zander Edward Holmes, Membrane control system and process.
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Callahan, Richard A., Membrane technology to reduce nitrogen in natural gas.
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Yamashita Naohiko,JPX ; Yamamoto Takao,JPX, Method and apparatus for recovering a gas from a gas mixture.
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Fumio Kawasaki JP; Rosuke Matsubayashi JP, Method and apparatus for separating and recovering perfluoro compound.
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Delp ; II William H., Method and apparatus for supplying a pressurized diver's breathing gas for underwater divers.
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Verbockhaven Denis,FRX ; Bonet Claude,FRX ; Sindzingre Thierry,FRX, Method and device for supplying several working gases, and its application to an installation for assembling electronic components.
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Verini Nicholas A., Method and device to monitor nitrogen gas purity during the manufacture and dispensing of nitrogen gas.
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Golner, Thomas M.; Mehta, Shirish P., Method and system for controlling the supply of nitrogen to electrical power handling equipment.
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Delp ; II William H., Oxygen enriched air generation system.
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Delp ; II William H. (Lake Worth FL), Oxygen enriched air generation system.
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Yoshihiro Makino JP; Yoshitomo Sakakibara JP; Yasushi Kobayashi JP, Process and apparatus for filling N2 gas into tire.
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Schulte, Thomas Robert; Hawke, Michael Henry; Pace, Keith Randall; Bergman, Jr., Thomas John; Warrick, Brian Donald; Di Santo, Sandro; Boyer, Rick, System for preventing contaminants from reaching a gas purifier.
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Schulte, Thomas Robert; Hawke, Michael Henry; Pace, Keith Randall; Bergman, Jr., Thomas John; Warrick, Brian Donald; Di Santo, Sandro; Boyer, Rick, System for preventing contaminants from reaching a gas purifier.
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Schulte, Thomas Robert; Hawke, Michael Henry; Pace, Keith Randall; Bergman, Jr., Thomas John; Warrick, Brian Donald; DiSanto, Sandro; Boyer, Rick, System for preventing contaminants from reaching a gas purifier.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Process and installation for supplying nitrogen with the aid of semi-permeable membranes using a variable membrane geome 원문보기

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Process and installation for supplying nitrogen with the aid of semi-permeable membranes using a variable membrane geome 원문보기

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