KR102198519B1 - 액상화합물 기반 발전 시스템 및 그 운전 방법 - Google Patents
액상화합물 기반 발전 시스템 및 그 운전 방법 Download PDFInfo
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- KR102198519B1 KR102198519B1 KR1020190075095A KR20190075095A KR102198519B1 KR 102198519 B1 KR102198519 B1 KR 102198519B1 KR 1020190075095 A KR1020190075095 A KR 1020190075095A KR 20190075095 A KR20190075095 A KR 20190075095A KR 102198519 B1 KR102198519 B1 KR 102198519B1
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- 239000007788 liquid Substances 0.000 title claims abstract description 102
- 150000001875 compounds Chemical class 0.000 title claims abstract description 97
- 238000010248 power generation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000001257 hydrogen Substances 0.000 claims abstract description 194
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 194
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 239000000446 fuel Substances 0.000 claims abstract description 173
- 238000006356 dehydrogenation reaction Methods 0.000 claims abstract description 120
- 239000007787 solid Substances 0.000 claims abstract description 93
- 239000012535 impurity Substances 0.000 claims abstract description 43
- 238000012546 transfer Methods 0.000 claims abstract description 24
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 19
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
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- 229930195733 hydrocarbon Natural products 0.000 description 27
- 150000002430 hydrocarbons Chemical class 0.000 description 27
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 12
- 239000004215 Carbon black (E152) Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 230000008569 process Effects 0.000 description 7
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- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
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- 238000005979 thermal decomposition reaction Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000016941 Rho Guanine Nucleotide Exchange Factors Human genes 0.000 description 1
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
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- 150000004681 metal hydrides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
Description
도 2는 수소화된 액상화합물의 탈수소화 반응시 탄화수소가 발생하는 상태를 설명하기 위한 도면.
도 3은 종래의 LOHC-고분자 연료전지 연계 시스템을 보인 구성도.
도 4는 본 발명의 실시예에 의한 액상화합물 기반 발전 시스템을 설명하기 위한 구성도.
도 5는 본 발명의 실시예의 부분 확대도.
도 6은 본 발명의 실시예를 모사한 공정 모델.
도 7은 액상화합물을 포함한 다양한 에너지 캐리어의 에너지 저장 밀도를 측정한 그래프.
도 8은 본 발명의 실시예로 LOHC를 이용한 수소 에너지 활용 예를 보인 도면.
13: 릴리프 밸브 15: 임펠러
17: 회수라인 19: 개폐밸브
20: 고체산화물 연료전지 스택
30: 고분자전해질 연료전지 스택 40: LOHC 탱크
45: 제1 펌프 50: 물 탱크
55: 제2 펌프 46,56: 제어밸브
61: 제1 열교환기 63: 제2 열교환기
65: 제3 열교환기 66: 냉각라인
67: 제3 펌프 68,69: 3방향 밸브
70: 제어부 L1: 공급라인
L2: 이송라인 L3: 재순환라인
Claims (15)
- 수소화된 액상화합물이 저장된 LOHC 탱크;
물이 저장된 물 탱크;
상기 수소화된 액상화합물을 공급받아 탈수소화 반응을 통해 수소를 방출시키는 탈수소화 반응기;
상기 LOHC 탱크에 저장된 상기 수소화된 액상화합물을 상기 탈수소화 반응기로 공급하는 제1 펌프;
상기 탈수소화 반응기에서 방출된 상기 수소를 공급라인을 통해 공급받고, 상기 수소에 포함된 불순물과 증발된 상기 액상화합물을 스택 내부의 촉매 반응을 통해 분해하고 이 중 일부를 연료로 사용하는 고체산화물 연료전지 스택;
상기 수소에 포함된 불순물의 개질을 위하여 상기 물 탱크에 저장된 물을 공급라인에 공급하는 제2 펌프;
상기 고체산화물 연료전지 스택을 통과하여 불순물이 제거된 수소를 이송라인을 통해 공급받고 연료로 사용하는 고분자전해질 연료전지 스택;
상기 수소를 상기 고분자전해질 연료전지 스택으로 공급하기 전, 상기 고분자전해질 연료전지 스택의 작동온도로 냉각하는 냉각라인; 및
상기 공급라인을 흐르는 물이 기화 또는 승온되어 상기 공급라인을 흐르는 수소의 수증기 개질 반응이 선 수행되도록 상기 고체산화물 연료전지 스택을 통과하여 상기 고분자전해질 연료전지 스택으로 공급하는 수소와 상기 공급라인에 공급되는 물과 열교환을 수행하는 제1 열교환기;
을 포함하고,
상기 탈수소화 반응기는
상기 탈수소화 반응기의 작동 온도를 일정하게 유지하는 가열부;
상기 탈수소화 반응기 내로 퍼징 가스를 공급하기 위한 퍼징 가스라인;
상기 탈수소화 반응기 내의 압력 유지를 위한 릴리프 밸브;
상기 탈수소화 반응기에 공급된 수소화된 액상화합물과 탈수소화 반응을 위해 추가되는 촉매의 균일 혼합을 위한 임펠러; 및
탈수소화 반응 후 촉매를 액상화합물에서 분리하기 위한 거름막;
을 포함하고,
상기 냉각라인은,
상기 탈수소화 반응기의 작동 온도에서 상기 임펠러가 손상되는 것을 방지하도록 상기 임펠러에 연결되는 액상화합물 기반 발전 시스템.
- 삭제
- 삭제
- 삭제
- 청구항 1에 있어서,
상기 고체산화물 연료전지 스택을 통과하여 상기 고분자전해질 연료전지 스택으로 공급하는 수소와 상기 탈수소화 반응기로 공급하는 수소화된 액상화합물과의 열교환을 수행하는 제2 열교환기를 포함하는 액상화합물 기반 발전 시스템. - 청구항 1에 있어서,
상기 고체산화물 연료전지 스택을 통과하여 상기 고분자전해질 연료전지 스택으로 공급하는 수소와 상기 탈수소화 반응기로 공급하는 퍼징 가스와의 열교환을 수행하는 제3 열교환기를 포함하는 액상화합물 기반 발전 시스템. - 삭제
- 청구항 1에 있어서,
상기 이송라인을 상기 공급라인에 연결하는 재순환라인; 및
상기 재순환라인을 상기 이송라인 및 상기 공급라인과 각각 연결하는 3방향 밸브;
를 포함하는 액상화합물 기반 발전 시스템. - 탈수소화 반응기에서 수소화된 액상화합물을 공급받아 탈수소화 반응을 통해 수소를 방출시키는 단계;
상기 탈수소화 반응기에서 방출된 상기 수소에 물을 공급하여 상기 수소에 포함된 불순물의 수증기 개질 반응을 선 수행하도록 수증기 개질 반응을 위한 산화제를 필요한 몰비로 혼합하는 단계;
상기 수소를 고체산화물 연료전지 스택에 통과시켜 스택 내부의 촉매반응을 통한 내부 개질을 통해 불순물을 제거하고 상기 수소의 순도를 높이며 전력을 생산하고, 상기 고체산화물 연료전지 스택을 통과한 수소를 상기 고체산화물 연료전지 스택에 다시 공급하는 재순환라인을 통해 복수 회 수행하는 단계;
상기 탈수소화 반응기에서 방출된 수소를 고체산화물 연료전지 스택에 통과시켜 상기 수소의 순도를 높이는 단계; 및
상기 고체산화물 연료전지 스택을 통과한 수소를 고분자전해질 연료전지 스택에 공급하는 단계;
를 포함하고,
상기 고체산화물 연료전지 스택을 통과한 수소를 고분자전해질 연료전지 스택에 공급하는 단계 이전에, 상기 고체산화물 연료전지 스택을 통과한 수소는 상기 탈수소화 반응기에서 방출된 수소에 공급하는 물과의 열교환이 수행되는 액상화합물 기반 발전 시스템의 운전 방법.
- 삭제
- 삭제
- 삭제
- 청구항 9에 있어서,
상기 고체산화물 연료전지 스택을 통과한 수소를 고분자전해질 연료전지 스택에 공급하는 단계 이전에,
상기 수소는 상기 탈수소화 반응기로 공급하는 수소화된 액상화합물과의 열교환이 수행되는 액상화합물 기반 발전 시스템의 운전 방법. - 청구항 9에 있어서,
상기 고체산화물 연료전지 스택을 통과한 수소를 고분자전해질 연료전지 스택에 공급하는 단계 이전에,
상기 수소는 상기 탈수소화 반응기로 공급하는 퍼징 가스와 열교환이 수행되는 액상화합물 기반 발전 시스템의 운전 방법. - 청구항 9에 있어서,
상기 고체산화물 연료전지 스택을 통과한 수소를 고분자전해질 연료전지 스택에 공급하는 단계 이전에,
상기 수소는 냉각라인과의 열교환이 수행되는 액상화합물 기반 발전 시스템의 운전 방법.
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