JP6397247B2 - 液化ガスの冷熱利用システム及びその冷熱利用方法 - Google Patents
液化ガスの冷熱利用システム及びその冷熱利用方法 Download PDFInfo
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- JP6397247B2 JP6397247B2 JP2014152931A JP2014152931A JP6397247B2 JP 6397247 B2 JP6397247 B2 JP 6397247B2 JP 2014152931 A JP2014152931 A JP 2014152931A JP 2014152931 A JP2014152931 A JP 2014152931A JP 6397247 B2 JP6397247 B2 JP 6397247B2
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- Prior art keywords
- heat
- liquefied gas
- lng
- intermediate refrigerant
- heat exchanger
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- 238000000034 method Methods 0.000 title claims description 22
- 239000003507 refrigerant Substances 0.000 claims description 166
- 238000002485 combustion reaction Methods 0.000 claims description 41
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 27
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 claims description 22
- 239000006200 vaporizer Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 15
- 230000008016 vaporization Effects 0.000 claims description 8
- 238000009834 vaporization Methods 0.000 claims 1
- 239000003949 liquefied natural gas Substances 0.000 description 111
- 239000007789 gas Substances 0.000 description 105
- 238000007710 freezing Methods 0.000 description 20
- 230000008014 freezing Effects 0.000 description 20
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 10
- 238000000605 extraction Methods 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000007423 decrease Effects 0.000 description 7
- 239000013535 sea water Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- BOUGCJDAQLKBQH-UHFFFAOYSA-N 1-chloro-1,2,2,2-tetrafluoroethane Chemical compound FC(Cl)C(F)(F)F BOUGCJDAQLKBQH-UHFFFAOYSA-N 0.000 description 5
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 5
- QYSGYZVSCZSLHT-UHFFFAOYSA-N octafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)F QYSGYZVSCZSLHT-UHFFFAOYSA-N 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000003570 air Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 125000004773 chlorofluoromethyl group Chemical group [H]C(F)(Cl)* 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Description
3 第二の熱交換器
4 冷媒冷却装置
5 気化器
6 LNG供給ライン
12 送出ポンプ
23 LNG加熱器
Claims (4)
- 液化ガスの冷熱と中間冷媒とを熱交換させる第一の熱交換器と、
前記中間冷媒と前記液化ガスの冷熱を要する冷却対象物とを熱交換させて、前記冷却対象物に前記液化ガスの冷熱を供給する第二の熱交換器と
を備え、
前記液化ガスがLNGであり、前記中間冷媒が不燃性であり、前記冷却対象物がガスタービン発電機の燃焼用空気であり、かつ、前記中間冷媒が35〜70mоl%のHFC−134aと30〜65mоl%のHFC−32との混合物であることを特徴とする液化ガスの冷熱利用システム。 - 前記第一の熱交換器にて液化ガスを気化させるための熱量が不足した際に、所定量の液化ガスを供給し、系外の熱媒により別途気化させる第一の熱交換器に対して併設された気化器をさらに備えている請求項1に記載された液化ガスの冷熱利用システム。
- 第一の熱交換器にて液化ガスの冷熱と中間冷媒とを熱交換させることと、
第二の熱交換器にて前記中間冷媒と前記液化ガスの冷熱を要する冷却対象物とを熱交換させて、前記冷却対象物に前記液化ガスの冷熱を供給することと
を含み、
前記液化ガスがLNGであり、前記中間冷媒が不燃性であり、前記冷却対象物がガスタービン発電機の燃焼用空気であり、かつ、前記中間冷媒が35〜70mоl%のHFC−134aと30〜65mоl%のHFC−32との混合物であることを特徴とする液化ガスの冷熱利用方法。 - 前記第一の熱交換器にて液化ガスを気化させるための熱量が不足した際に、所定量の液化ガスを供給し、系外の熱媒により前記第一の熱交換器に対して併設された気化器にて別途気化させることを特徴とする請求項3に記載された液化ガスの冷熱利用方法。
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JP2014007719 | 2014-01-20 | ||
JP2014007719 | 2014-01-20 | ||
JP2014152931A JP6397247B2 (ja) | 2014-01-20 | 2014-07-28 | 液化ガスの冷熱利用システム及びその冷熱利用方法 |
Publications (2)
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JP2015155689A JP2015155689A (ja) | 2015-08-27 |
JP6397247B2 true JP6397247B2 (ja) | 2018-09-26 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6569117B2 (ja) * | 2017-12-15 | 2019-09-04 | ブランテック株式会社 | 冷熱回収システム及び冷熱回収方法 |
SG11202110787TA (en) * | 2019-03-29 | 2021-10-28 | Osaka Gas Co Ltd | Moving body |
KR102147234B1 (ko) * | 2019-05-17 | 2020-08-24 | 연세대학교 산학협력단 | 액화천연가스 가스화 공정을 이용한 대용량 극저온 에너지 저장 시스템 |
CN110257011A (zh) * | 2019-06-13 | 2019-09-20 | 深圳市泰祺科技有限公司 | -20~-80摄氏度低温节能不可燃制冰剂 |
CN114876641A (zh) * | 2022-06-14 | 2022-08-09 | 西安热工研究院有限公司 | 一种利用lng气化冷能的燃气轮机进气冷却***及其工作方法 |
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JP3720415B2 (ja) * | 1995-05-18 | 2005-11-30 | 大阪瓦斯株式会社 | 液化炭酸製造用冷媒および液化炭酸製造設備の運転方法ならびに熱交換器 |
JPH09296736A (ja) * | 1996-05-08 | 1997-11-18 | Nippon Sanso Kk | ガスタービン発電方法及び装置 |
JP3706436B2 (ja) * | 1996-07-30 | 2005-10-12 | 三菱重工業株式会社 | ガスタービン吸気冷却方法及び装置 |
EP2622192A2 (en) * | 2010-09-30 | 2013-08-07 | General Electric Company | Aircraft engine systems and methods for operating same |
US20130291567A1 (en) * | 2011-01-28 | 2013-11-07 | Lalit Kumar Bohra | Regasification Plant |
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