JP2018529047A - 入れ子式のco2サイクルを用いる電力生産のためのシステムおよび方法 - Google Patents
入れ子式のco2サイクルを用いる電力生産のためのシステムおよび方法 Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
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- 230000007613 environmental effect Effects 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
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Abstract
Description
・少なくとも約500℃または少なくとも約700℃(例えば、約500℃乃至約2000℃または約600℃乃至約1500℃)の温度、および、少なくとも約100バール(10MPa)または少なくとも約200バール(20MPa)(例えば、約100バール(10MPa)乃至約500バール(50MPa)または約150バール(15MPa)乃至約400バール(40MPa))の圧力で燃焼生成物流を提供するための、再循環されるCO2流の存在下での酸化剤を用いる炭素質燃料の燃焼;
・電力生産のためのタービンを横切る(例えば、上記に特筆されているような圧力にある)高圧の再循環されるCO2流の膨張;
・復熱式熱交換器内における、(例えば、上記に特筆されているような圧力にある)高温の再循環されるCO2流の、特にタービン排出流の冷却;
・凝縮器内での1つ以上の燃焼生成物(例えば、水)の凝縮であって、その燃焼生成物は、特に、膨張および冷却されている燃焼生成物流内に存在する、凝縮;
・再循環されるCO2流を形成するために、CO2から水および/またはさらなる物質を分離すること;
・随意に、流れ密度を増加させるために中間冷却を用いて多数の段階において実行される、再循環されるCO2流を高圧(例えば、上記に特筆されているような圧力)に圧縮すること;および
・圧縮された再循環されるCO2流を復熱式熱交換器内で加熱すること、特に、冷却するタービン排気流に接して加熱すること。
Claims (12)
- 電力生産方法であって、
CO2仕事流が、繰り返される電力生産のための膨張、冷却、圧縮、加熱、および燃焼にかけられる第1の電力生産サイクルを稼働させることと、
前記第1の電力生産サイクルからの圧縮されたCO2仕事流の少なくとも一部が、前記第1の電力生産サイクルとは独立している熱源で加熱され、電力生産のために膨張され、前記第1の電力生産サイクル内のCO2仕事流と再び組み合わされる第2の電力生産サイクルを稼働させることと、
を備える、電力生産方法。 - 前記第1の電力生産サイクルの稼働において、
前記電力生産のための膨張が、第1の分量の電力を生産するために第1のタービンを横切って前記CO2仕事流を膨張させることを備え、
前記冷却が、復熱式熱交換器内で前記CO2仕事流から熱を取り出すことを備え、
前記圧縮が、少なくとも1つの圧縮器で前記CO2仕事流を圧縮することを備え、
前記加熱が、前記復熱式熱交換器内の取り出された熱を用いて前記CO2仕事流を加熱することを備え、
前記燃焼が、燃焼器内の圧縮されたCO2仕事流を過熱することを備える、
請求項1に記載の電力生産方法。 - 前記第1の電力生産サイクル内での前記加熱が、前記第2の電力生産サイクル内のCO2仕事流に提供される熱を受け取ることを含む、請求項1または請求項2に記載の電力生産方法。
- 前記第2の電力生産サイクル内の熱源が、燃焼熱源、太陽熱源、核熱源、地熱熱源、および産業廃熱源のうち1つ以上である、請求項1または請求項2に記載の電力生産方法。
- 前記第2の電力生産サイクルからの膨張された仕事流が、前記圧縮の後かつ前記燃焼の前に前記第1の電力生産サイクル内のCO2仕事流に熱を付加するために用いられる、請求項1または請求項2に記載の電力生産方法。
- 前記第1の電力生産サイクル内のCO2仕事流と再び組み合わされる前記第2の電力生産サイクルからのCO2仕事流が、
前記第1の電力生産サイクル内での前記冷却の後かつ前記圧縮の前の入力、
前記圧縮の後かつ前記加熱の前の入力、
前記第1の電力生産サイクル内での前記加熱の最中の入力、
のうち1つ以上である、請求項1または請求項2に記載の電力生産方法。 - 電力生産サイクルの効率を改善するための方法であって、前記方法が、
前記電力生産サイクルを稼働させることであって、それにより、圧縮された再循環されるCO2は、炭素質燃料が再循環されるCO2を備える排気流を生産するために酸化剤を用いて燃焼される燃焼器を通され、前記排気流は、電力を生産して再循環されるCO2を備えるタービン排気流を形成するためにタービンを横切って膨張され、前記タービン排気流は復熱式熱交換器内で冷却され、冷却されたタービン排気流は、前記再循環されるCO2を分離するために分離器を通され、前記再循環されるCO2は圧縮され、前記圧縮された再循環されるCO2は、前記タービン排気流に接して前記復熱式熱交換器を通じる通過により加熱されることと、
前記タービン排気流から利用可能である加熱のレベルを上回って前記圧縮された再循環されるCO2にさらなる加熱を付加することであって、前記さらなる加熱は、前記圧縮された再循環されるCO2の一部を取り出すことにより提供されることと、前記電力生産サイクルとは独立している熱源で圧縮された再循環されるCO2の取り出された部分を加熱することと、取り出されかつ加熱された圧縮された再循環されるCO2から前記電力生産サイクル内の圧縮された再循環されるCO2の残りの部分に熱を伝達することと、
を備える、方法。 - その中の圧縮された再循環されるCO2に熱を伝達するために、前記取り出されかつ加熱された圧縮された再循環されるCO2を前記復熱式熱交換器に通すことを備える、請求項7に記載の方法。
- 前記復熱式熱交換器内の圧縮された再循環されるCO2の残りの部分とその後組み合わされる再循環されるCO2副流を加熱するために、前記取り出されかつ加熱された圧縮された再循環されるCO2を二次熱交換器に通すことを備える、請求項7に記載の方法。
- 電力を生産するために第2のタービンを横切って前記取り出されかつ加熱された圧縮された再循環されるCO2を膨張させることを備える、請求項7に記載の方法。
- 電力生産システムであって、
CO2流を少なくとも約100バール(10MPa)の圧力に圧縮するように構成された圧縮器と、
前記圧縮器から下流にある燃焼器と、
前記燃焼器から下流かつ前記圧縮器から上流にある第1のタービンと、
前記圧縮器から流れを受け入れ、前記タービンから別個の流れを受け入れるように位置付けられ、かつ、前記流れの間で熱を伝達するように構成された第1の熱交換器と、
前記圧縮器から下流にある第2のタービンと、
前記圧縮器から流れを受け入れ、熱源から別個の流れを受け入れるように位置付けられた第2の熱交換器と、
を備える、電力生産システム。 - 前記第2の熱交換器により受け入れられる別個の流れのための熱源が、燃焼熱源、太陽熱源、核熱源、地熱熱源、および産業廃熱源のうち1つ以上である、請求項11に記載の電力生産システム。
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AU2016315932A1 (en) | 2018-04-12 |
EP3344856B1 (en) | 2020-05-06 |
CA2996904A1 (en) | 2017-03-09 |
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MY193222A (en) | 2022-09-26 |
US10422252B2 (en) | 2019-09-24 |
PL3344856T3 (pl) | 2020-11-02 |
AU2016315932B2 (en) | 2020-04-09 |
EP3344856A1 (en) | 2018-07-11 |
CA2996904C (en) | 2021-11-02 |
KR20180044377A (ko) | 2018-05-02 |
BR112018003913A2 (pt) | 2018-09-25 |
EA201890631A1 (ru) | 2018-09-28 |
WO2017040635A1 (en) | 2017-03-09 |
US11174759B2 (en) | 2021-11-16 |
CN108368750B (zh) | 2020-08-18 |
MX2018002550A (es) | 2018-08-15 |
JP6746689B2 (ja) | 2020-08-26 |
US20190376419A1 (en) | 2019-12-12 |
EA036299B1 (ru) | 2020-10-23 |
US20170058712A1 (en) | 2017-03-02 |
CN108368750A (zh) | 2018-08-03 |
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