KR20200049774A - 하이드로카본 공급물로부터 합성 가스를 생산하기 위한 화학 반응기로서의 내연 기관 - Google Patents
하이드로카본 공급물로부터 합성 가스를 생산하기 위한 화학 반응기로서의 내연 기관 Download PDFInfo
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Abstract
Description
도 1은 일부 구체예에 따른 예시적인 내연 기관의 실린더의 개략적 단면도이다.
도 2는 일부 구체예에 따른 내연 기관을 사용하여 합성 가스를 생산하기 위한 시스템의 개략도이다.
도 3은 일부 구체예에 따른 내연 기관을 사용하여 합성 가스를 생산하기 위한 시스템의 개략도이다.
도 4는 일부 구체예에 따른 내연 기관을 사용하여 합성 가스를 생산하기 위한 시스템의 개략도이다.
도 5는 일부 구체예에 따른 연료-풍부 조건 하에 기관을 시동하는 방법의 예시적인 흐름도이다.
도 6은 일부 구체예에 따른 연료-풍부 조건 하에 기관을 작동시키기 위한 방법의 예시적인 흐름도이다.
도 7은 일부 구체예에 따른 다양한 연료-공기 등가비에 대한 연료-공기 흡기 온도의 그래프이다.
도 8은 일부 구체예에 따른 다양한 연료-공기 등가비에 대한 H2 대 CO 비율의 그래프이다.
도 9는 일부 구체예에 따른 다양한 연료-공기 등가비에 대한 천연 가스의 분획 변환의 그래프이다.
Claims (38)
- 연료-풍부 조건하에서 반응기로서 내연 기관을 사용하는 방법으로서,
초기 연료-공기 등가비를 갖는 공급 가스를 사용하여 기관을 시동시키고;
연료-공기 등가비를 증분식으로 증가시켜 연료-풍부 공급 가스를 발생시키고;
연료-공기 등가비를 증가시키면서, 스로틀(throttle), 점화 시기, 기관에 결합된 로드(load), 연료압, 공급 가스 또는 공급 가스의 일부에 작용하는 과급기에 대한 동력 및 공급 가스에 작용하는 예열기에 대한 동력 중 하나 이상을 조정하여 연료-공기 등가비를 약 1.6 내지 2.4로 유지하는 것을 포함하는 방법. - 제1항에 있어서, 공급 가스가 하이드로카본 화합물 및 산소 함유 스트림을 포함하는 방법.
- 제1항에 있어서, 초기 조건을 사전결정된 연료압, 부분적으로 개방된 스로틀, 제1의 사전결정된 점화 시기 값 및 기관에 결합된 로드 중 적어도 하나로서 기관 시동 전에 설정하는 것을 추가로 포함하는 방법.
- 제3항에 있어서, 부분적으로 개방된 스로틀을 설정하는 것이 스로틀을 50% 미만의 사전결정된 설정치로 설정하는 것을 포함하는 방법.
- 제3항에 있어서, 제1의 사전결정된 점화 시기 값을 설정하는 것이 점화 시기를 상사점 전(BTDC) 약 5 내지 약 12도로 설정하는 것을 포함하는 방법.
- 제1항에 있어서, 기관 시동이 연료압을 약 0 인치 H2O 게이지로 설정하여 기관을 시동시키는 것을 포함하는 방법.
- 제1항에 있어서, 약 1000 내지 2000 분당 회전수(RPM)의 기관 속도 및 약 900℃ 미만의 배기 가스 온도가 유지되는 방법.
- 제1항에 있어서, 점화 시기 조정이 기관 속도를 약 1000 내지 2000 RPM으로 유지하기 위해 기관 로드를 증가시키면서 점화 시기를 제2의 사전결정된 값으로 앞당기는 것을 포함하는 방법.
- 제8항에 있어서, 제2의 사전결정된 점화 시기 값이 약 8도 BTDC 내지 약 28도 BTDC인 방법.
- 제1항에 있어서, 과급기에 대한 동력 조정이 초기에 과급기에 동력을 공급하는 것을 포함하는 방법.
- 제10항에 있어서, 기관 속도를 약 1000 내지 2000 RPM으로 유지하기 위해 연료압을 증가시키면서 과급기에 대한 동력을 증가시키는 것을 추가로 포함하는 방법.
- 제1항에 있어서, 스로틀 조정이 기관 속도를 약 1000 내지 2000 RPM으로 유지하기 위해 연료압 및 기관 로드를 증가시키면서 스로틀을 증가시키는 것을 포함하는 방법.
- 제1항에 있어서, 배기 가스 온도를 모니터링하고, 배기 가스 온도를 약 900℃ 미만으로 유지하기 위해 연료압, 스로틀 및 기관 로드 중 하나 이상을 수정하는 것을 추가로 포함하는 방법.
- 제1항에 있어서, 예열기에 대한 동력 조정이 초기에 예열기에 동력을 공급하는 것을 포함하는 방법.
- 제14항에 있어서, 예열기를 초기 온도로 설정하고, 기관 속도를 약 1000 내지 2000 RPM으로 유지하면서 예열기 온도를 증가시킴에 따라 연료압을 상승시키는 것을 추가로 포함하는 방법.
- 제15항에 있어서, 예열기 초기 온도가 약 200℃인 방법.
- 제1항에 있어서, 점화 시기를 제3의 사전결정된 값으로 조정하는 것을 추가로 포함하는 방법.
- 제17항에 있어서, 제3의 사전결정된 점화 시기 값이 약 20 내지 약 30도 BTDC인 방법.
- 제11항에 있어서, 요망되는 기관 부피 처리량(throughput)에 도달할 때까지 기관 속도를 약 1000 내지 2000 RPM으로 유지하기 위해 연료압 및 기관 로드를 조정하면서 과급기에 대한 동력을 증가시키는 것을 추가로 포함하는 방법.
- 제15항에 있어서, 예열기가 초기 온도에 도달하는 경우, 연료-공기 등가비가 약 1.6 내지 2.4에 도달할 때까지 기관 속도를 약 1000 내지 2000 RPM으로 유지하기 위해 연료압을 조정하면서 예열기 온도를 증가시키는 것을 추가로 포함하는 방법.
- 제1항에 있어서, 연료 가스 초기 연료-공기 등가비가 약 1인 방법.
- 연료-풍부 조건하에서 내연 기관을 작동시키는 방법으로서,
기관 시동 후 배기 배압, 흡기 매니폴드 압력(intake manifold pressure), 기관 속도, 점화 시기, 연료 가스 연료-공기 등가비 및 연료 가스 흡기 온도에 대한 작동 유지 조건의 세트를 유지하고;
연료 가스 연료-공기 등가비를 유지하면서 연료 가스 흡기 온도를 증가시키고, 기관 배기 가스의 메탄 및 산소 함량을 모니터링하고;
모니터링된 메탄 및 산소 함량에 따라 점화 시기를 조정하는 것을 포함하는 방법. - 제22항에 있어서, 초기 작동 배기 배압이 대기압 내지 5 bar 절대압인 방법.
- 제22항에 있어서, 작동 흡기 매니폴드 압력이 약 대기압 내지 2 bar 절대압인 방법.
- 제22항에 있어서, 초기 작동 기관 속도가 약 1000 내지 2000의 분당 회전 수(RPM)인 방법.
- 제22항에 있어서, 초기 작동 점화 시기가 상사점 전(BTDC) 약 25 내지 35도인 방법.
- 제22항에 있어서, 작동 연료 가스 연료-공기 등가비가 약 1.6 내지 2.4인 방법.
- 제22항에 있어서, 초기 작동 연료 가스 흡기 온도가 약 200℃ 내지 270℃인 방법.
- 제22항에 있어서, 모니터링된 메탄 또는 산소 함량이 허용 가능한 수준을 넘어서 증가되는 경우, 모니터링된 메탄 및 산소 함량에 따른 점화 시기 조정이 점화 시기를 앞당기는 것을 포함하는 방법.
- 제22항에 있어서, 기관의 각 실린더로부터 배기 가스 온도를 모니터링하는 것을 추가로 포함하는 방법.
- 제30항에 있어서, 각 실린더의 배기 가스 온도의 변동성을 약 75℃ 범위 이내로 감소시키기 위해 각 실린더의 점화 시기를 개별적으로 조정하는 것을 추가로 포함하는 방법.
- 제22항에 있어서, 배기 가스가 수소(H2), 일산화탄소(CO), 질소(N2), 수증기(H2O), 이산화탄소(CO2) 및 미량 성분 중 적어도 2개의 조합물을 포함하는 방법.
- 제1항 내지 제32항 중의 어느 한 항의 방법을 수행하도록 구성된 가스 리포머 시스템(gas reformer system).
- 제33항에 있어서, 가스 리포머 시스템이 합성 가스를 생산하도록 구성되는 가스 리포머 시스템.
- 제34항에 있어서, 합성 가스가 수소(H2) 및 일산화탄소(CO)를 포함하는 가스 리포머 시스템.
- 연료 가스 흡입구, 배기 가스 배기구, 복수의 실린더, 점화 시기 시스템, 스로틀, 연료 가스 예열기 및 과급기를 포함하는 내연 기관을 포함하는 가스 리포머 시스템으로서,
내연 기관이 약 1.6 내지 2.4의 연료 가스 연료-공기 등가비로 작동되도록 구성되는 가스 리포머 시스템. - 제36항에 있어서, 내연 기관이 약 1.6 내지 2.4의 연료 가스 연료-공기 등가비로 작동시키기 위해 연료 가스 연료-공기 등가비, 연료 가스 흡기 온도, 흡기 매니폴드 압력(inlet manifold pressure), 점화 시기, 기관 속도, 배기 매니폴드 압력 및 배기 가스 온도를 개별적으로 조정하도록 구성되는 가스 리포머 시스템.
- 제36항에 있어서, 내연 기관이 수소(H2) 및 일산화탄소(CO)를 포함하는 배기 가스를 생산하도록 구성되는 가스 리포머 시스템.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113404599A (zh) * | 2021-06-28 | 2021-09-17 | 山西兰花大宁发电有限公司 | 一种燃气内燃机组的控制方法 |
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