JP4343738B2 - バイナリーサイクル発電方法及び装置 - Google Patents
バイナリーサイクル発電方法及び装置 Download PDFInfo
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- JP4343738B2 JP4343738B2 JP2004061791A JP2004061791A JP4343738B2 JP 4343738 B2 JP4343738 B2 JP 4343738B2 JP 2004061791 A JP2004061791 A JP 2004061791A JP 2004061791 A JP2004061791 A JP 2004061791A JP 4343738 B2 JP4343738 B2 JP 4343738B2
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- Prior art keywords
- carbon dioxide
- pressure
- dioxide gas
- low
- evaporator
- Prior art date
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- 238000010248 power generation Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 280
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 140
- 239000001569 carbon dioxide Substances 0.000 claims description 140
- 239000007788 liquid Substances 0.000 claims description 77
- 238000001816 cooling Methods 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 239000003507 refrigerant Substances 0.000 claims description 17
- 239000006096 absorbing agent Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- -1 normal pentane Chemical compound 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Description
凝縮器18内では、蒸気の被吸収液16bが前記二酸化炭素蒸発器1bからの冷熱により冷却されて液化し、被吸収液16bは蒸発器20に流下する。蒸発器20の被吸収液16bはポンプ21を介して前記熱交換器8との間で冷媒7を循環させる冷媒管10に散布されて蒸発し、このときの気化熱により前記冷媒7を冷却する。蒸発器20で蒸発した被吸収液16bの蒸気は吸収器19に移動する。吸収器19では、前記再生器17で濃度が高められた吸収液16aが、前記二酸化炭素蒸発器1bに連通する冷熱回収管15に散布され、冷熱回収管15の冷熱により冷却される。この冷却時に吸収液16aは蒸発器20からの吸収液16aの蒸気を吸収する。これにより、前記蒸発器20での被吸収液16bの蒸発が促進されて冷媒7の冷却が有効に行われる。被吸収液16bの蒸気を吸収して濃度が低下した溶液は、ポンプ22により再生器17に送られて再び熱水Sにより加熱される。
仕様
・蒸発器1b内媒体温度:26℃,圧力6.6MPa(冷熱源:冷水塔等)
・熱水過熱器1a出口媒体温度:72℃,圧力6.6MPa(加熱源:80℃熱水)
・タービン効率:75%
・冷却装置6出口冷媒温度:10℃,圧力4.6MPa(冷却源:吸収式冷凍機COP=0.7設定)
・インジェクタ11計算での衝突係数:0.85
という初期設定を用いた計算結果として、
・インジェクタ11出温度:9.7℃,圧力6.65MPa
・インジェクタ11への高圧二酸化炭素ガス2B分岐比率:8%
であるとき、
熱効率=〔発電出力/(加熱器加熱分)+(吸収式冷凍機入熱分)〕=9%を得た。
1a 熱水過熱器
1b 二酸化炭素蒸発器
2A 高圧液体二酸化炭素
2B 高圧二酸化炭素ガス
2C 低圧二酸化炭素ガス
2D 低圧液体二酸化炭素
3 タービン発電機
6 冷却装置
9 吸収式冷凍機
11 インジェクタ
15 冷熱回収管
16a 吸収液
16b 被吸収液
17 再生器
18 凝縮器
19 吸収器
20 蒸発器
21 ポンプ
22 ポンプ
23 電動式冷凍機
24 昇圧装置
25 凝縮器
26 蒸発器
27 氷蓄熱装置
S 熱水
Claims (2)
- 熱水に高圧液体二酸化炭素を接触させて高圧二酸化炭素ガスを生成する加熱装置と、前記高圧二酸化炭素ガスにより駆動されるタービン発電機と、タービン発電機出口の低圧二酸化炭素ガスを臨界温度以下に冷却して低圧液体二酸化炭素とする冷却装置と、該冷却装置の出口に設置され、前記タービン発電機入口の高圧二酸化炭素ガスの一部を吹き込んで前記低圧液体二酸化炭素を吸引混合することにより前記タービン発電機入口の高圧二酸化炭素ガスの圧力と略同等以上の圧力に高めた高圧液体二酸化炭素として前記加熱装置に循環させるインジェクタと、を備えており、前記冷却装置が、再生器と凝縮器と蒸発器と吸収器とを有する吸収式冷凍機であり、前記加熱装置が、インジェクタの下流に設置した二酸化炭素蒸発器と該二酸化炭素蒸発器の下流に設置した熱水過熱器とからなり、前記吸収式冷凍機の再生器での被吸収液の蒸発に熱水を用い、前記吸収式冷凍機の吸収器での吸収液の冷却及び被吸収液蒸気の吸収と凝縮器での被吸収液蒸気の凝縮に前記二酸化炭素蒸発器で回収する冷熱を用いたことを特徴とするバイナリーサイクル発電装置。
- 熱水に高圧液体二酸化炭素を接触させて高圧二酸化炭素ガスを生成する加熱装置と、前記高圧二酸化炭素ガスにより駆動されるタービン発電機と、タービン発電機出口の低圧二酸化炭素ガスを臨界温度以下に冷却して低圧液体二酸化炭素とする冷却装置と、該冷却装置の出口に設置され、前記タービン発電機入口の高圧二酸化炭素ガスの一部を吹き込んで前記低圧液体二酸化炭素を吸引混合することにより前記タービン発電機入口の高圧二酸化炭素ガスの圧力と略同等以上の圧力に高めた高圧液体二酸化炭素として前記加熱装置に循環させるインジェクタと、を備えており、前記冷却装置が、昇圧装置と凝縮器と蒸発器を有する電動式冷凍機であり、前記加熱装置が、インジェクタの下流に設置した二酸化炭素蒸発器と該二酸化炭素蒸発器の下流に設置した熱水過熱器とからなり、前記電動式冷凍機の凝縮器における冷媒の冷却に前記二酸化炭素蒸発器で回収される冷熱を用いたことを特徴とするバイナリーサイクル発電装置。
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JP2004061791A JP4343738B2 (ja) | 2004-03-05 | 2004-03-05 | バイナリーサイクル発電方法及び装置 |
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