KR101532398B1 - 시스템 정지시 캐소드 퍼지되는 연료 전지 시스템 - Google Patents
시스템 정지시 캐소드 퍼지되는 연료 전지 시스템 Download PDFInfo
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- KR101532398B1 KR101532398B1 KR1020137026454A KR20137026454A KR101532398B1 KR 101532398 B1 KR101532398 B1 KR 101532398B1 KR 1020137026454 A KR1020137026454 A KR 1020137026454A KR 20137026454 A KR20137026454 A KR 20137026454A KR 101532398 B1 KR101532398 B1 KR 101532398B1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
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Abstract
Description
도 2는 전형적인 물 저장 용기(water containment vessel)의 계통도를 나타낸다.
도 3은 전형적인 역류 방지 안전 밸브의 절개 사시도를 나타낸다.
도 4a 및 도 4b는 도 3의 역류 방지 안전 밸브의 작용을 개략적으로 나타낸다.
도 5a 및 도 5b는 캐소드 출구 스트림 액체 분리(cathode exit stream liquid separation)에 대한 2가지 대안적인 구성을 개략적으로 나타낸다.
Claims (19)
- 연료 전지 스택을 포함하는 연료 전지 시스템의 작동을 정지(shut-down)시키는 방법으로서,
ⅰ) 상기 연료 전지 스택으로의 연료의 공급을 중지하는 단계,
ⅱ) 상기 연료 전지 스택을 통과하는 캐소드 유체 유로를 포함하는 상기 연료 전지 시스템의 캐소드 시스템과 유체 연통되도록 연결된 배출 라인 상의 차단 밸브를 닫는 단계,
ⅲ) 상기 연료 전지 스택의 캐소드 공기 입구 포트와 유체 연통되도록 연결된 공기 압축기를 사용하여 상기 캐소드 시스템을 가압하는 단계,
ⅳ) 상기 연료 전지 스택의 캐소드 물 주입 입구부와 유체 연통되도록 연결된 캐소드 물 주입 라인을 통해서 상기 캐소드 유체 유로로부터 물을 방출하는 단계
를 포함하는,
연료 전지 시스템 작동 정지 방법. - 제1항에 있어서,
단계 ⅳ)는, 물 분리기, 열 교환기, 및 물 귀환 라인 중 하나 이상을 통해 상기 캐소드 유체 유로로부터 물을 방출하는 단계를 더 포함하는, 연료 전지 시스템 작동 정지 방법. - 제2항에 있어서,
상기 캐소드 유체 유로로부터 단열 저장 용기로 물을 방출하는, 연료 전지 시스템 작동 정지 방법. - 제3항에 있어서,
상기 캐소드 유체 유로의 배출 라인 내의 상기 물 분리기를 통해 상기 단열 저장 용기로 물을 방출하는, 연료 전지 시스템 작동 정지 방법. - 제3항에 있어서,
상기 단열 저장 용기는 상기 단열 저장 용기로부터 상기 연료 전지 스택의 물 주입 입구부로 물을 공급할 수 있는 펌프를 포함하는, 연료 전지 시스템 작동 정지 방법. - 제5항에 있어서,
상기 펌프의 펌프 헤드가 상기 단열 저장 용기 내의 물속에 잠기는, 연료 전지 시스템 작동 정지 방법. - 제6항에 있어서,
상기 펌프의 동력부가 상기 단열 저장 용기의 물 저장 용적부 외부에 위치된, 상기 동력부는 구동축에 의해 펌프 헤드와 연결되어 있는, 연료 전지 시스템 작동 정지 방법. - 제4항에 있어서,
상기 공기 압축기는, 상기 연료 전지 스택과 상기 단열 저장 용기 사이의 상기 배출 라인 및 상기 물 주입 라인 내에 들어있는 모든 물이 실질적으로 상기 단열 저장 용기 안으로 방출될 때까지 작동되는, 연료 전지 시스템 작동 정지 방법. - 제3항 내지 제8항 중 어느 한 항에 있어서,
ⅴ) 상기 단열 저장 용기 내의 물을 온도 조절식 가열 요소에 의해 사전 설정된 온도 이상으로 유지하는 단계
를 더 포함하는, 연료 전지 시스템 작동 정지 방법. - 제9항에 있어서,
상기 온도 조절식 가열 요소는 상기 차단 밸브를 닫은 후 작동 불능 상태가 되는, 연료 전지 시스템 작동 정지 방법. - 제3항 내지 제8항 중 어느 한 항에 있어서,
상기 단열 저장 용기는, 상기 연료 전지 시스템의 정지 후, 상기 단열 저장 용기 내의 물을 해동할 수 있는, 히터를 포함하는, 연료 전지 시스템 작동 정지 방법. - 제3항에 있어서,
상기 캐소드 유체 유로로부터 방출된 물은 상기 물 분리기를 통과하기 전 상기 열 교환기를 통해 상기 단열 저장 용기로 들어가는, 연료 전지 시스템 작동 정지 방법. - 제1항 내지 제8항 중 어느 한 항에 있어서,
상기 공기 압축기는, 상기 차단 밸브를 닫은 후 사전 설정된 시간 동안 작동되거나, 또는 상기 캐소드 유체 유로 내의 물이 사전에 정해진 수위에 도달할 때까지 작동되는, 연료 전지 시스템 작동 정지 방법 - 연료 전지 스택,
캐소드 공기 입구 라인, 상기 연료 전지 스택 내의 캐소드 용적부, 및 캐소드 출구 라인이 직렬로 연결되어, 공기가 상기 연료 전지 스택을 통과할 수 있도록 하는, 캐소드 유체 유로를 포함한 캐소드 시스템,
상기 캐소드 공기 입구 라인과 유체 연통되도록 연결된 공기 압축기, 및
상기 캐소드 유체 유로로부터 캐소드 물 귀환 라인을 통해 물을 수용하고, 캐소드 물 주입 라인을 통해 상기 연료 전지 스택의 캐소드 물 주입 입구부에 물을 공급하도록 되어 있는 단열 저장 용기
를 포함하고,
시스템 작동 정지시, 상기 캐소드 물 주입 라인을 통해 상기 캐소드 유체 유로로부터 상기 단열 저장 용기 내로 물을 방출하도록 되어 있는,
연료 전지 시스템. - 제14항에 있어서,
상기 단열 저장 용기는 상기 연료 전지 스택의 캐소드 물 주입 입구부를 포함한 물 주입 라인과 유체 소통되어지도록 연결되고, 상기 물 주입 라인은 상기 연료 전지 스택의 캐소드 용적부로부터 상기 단열 저장 용기로 물을 이동시킬 수 있도록 구성된, 연료 전지 시스템. - 제15항에 있어서,
상기 물 주입 라인은, 밸브 전후의 압력차가 상기 연료 전지 시스템의 작동 시의 밸브 전후의 압력차로부터 역전될 때, 상기 캐소드 유체 유로로부터 상기 단열 저장 용기로 물이 흐르도록 하는, 역류 방지 안전 밸브(reverse flow relief valve)를 포함하는, 연료 전지 시스템. - 제14항에 있어서,
물 분리기와 직렬로 상기 캐소드 유체 유로의 상기 캐소드 출구 라인에 연결된 열 교환기
를 더 포함하고,
상기 물 분리기의 물 배출 출구 라인이 제1 물 귀환 라인에 의해 물 저장 용기에 연결되는, 연료 전지 시스템. - 제17항에 있어서,
상기 열 교환기의 물 배출 출구가 제2 물 귀환 라인에 의해 상기 물 저장 용기에 연결되는, 연료 전지 시스템. - 제18항에 있어서,
상기 제1 물 귀환 라인 및 상기 제2 물 귀환 라인 각각에 물 펌프를 포함하는, 연료 전지 시스템.
Applications Claiming Priority (3)
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|---|---|---|---|
| GB0718761.0 | 2007-09-26 | ||
| GB0718761A GB2453126B (en) | 2007-09-26 | 2007-09-26 | Fuel cell system |
| PCT/GB2008/003256 WO2009040535A2 (en) | 2007-09-26 | 2008-09-25 | Fuel cell system with cathode purge upon shut-down |
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| KR1020107008890A Division KR101516687B1 (ko) | 2007-09-26 | 2008-09-25 | 시스템 정지시 캐소드 퍼지되는 연료 전지 시스템 |
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| KR20130117892A KR20130117892A (ko) | 2013-10-28 |
| KR101532398B1 true KR101532398B1 (ko) | 2015-06-29 |
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| KR1020137026454A Active KR101532398B1 (ko) | 2007-09-26 | 2008-09-25 | 시스템 정지시 캐소드 퍼지되는 연료 전지 시스템 |
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| EP (2) | EP2538482B1 (ko) |
| JP (2) | JP5490702B2 (ko) |
| KR (2) | KR101516687B1 (ko) |
| CN (3) | CN103956507A (ko) |
| AR (1) | AR068277A1 (ko) |
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| CA (1) | CA2700639A1 (ko) |
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| GB (1) | GB2453126B (ko) |
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| TW (1) | TWI450437B (ko) |
| WO (1) | WO2009040535A2 (ko) |
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- 2008-09-25 WO PCT/GB2008/003256 patent/WO2009040535A2/en not_active Ceased
- 2008-09-25 CN CN200880117728.5A patent/CN101874325B/zh active Active
- 2008-09-25 CA CA2700639A patent/CA2700639A1/en not_active Abandoned
- 2008-09-25 KR KR1020137026454A patent/KR101532398B1/ko active Active
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000065676A1 (en) * | 1999-04-23 | 2000-11-02 | Energy Partners, L.C. | Freeze tolerant fuel cell system and method |
| JP2003317754A (ja) * | 2002-04-24 | 2003-11-07 | Nissan Motor Co Ltd | 燃料電池システム |
| WO2004051779A1 (en) * | 2002-12-03 | 2004-06-17 | Nissan Motor Co., Ltd. | Fuel cell system |
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