JP2015501410A - Lng生産のための多窒素膨張プロセス - Google Patents
Lng生産のための多窒素膨張プロセス Download PDFInfo
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 362
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims abstract description 91
- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000003507 refrigerant Substances 0.000 claims abstract description 91
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000003345 natural gas Substances 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 40
- 239000003949 liquefied natural gas Substances 0.000 description 17
- 229910001873 dinitrogen Inorganic materials 0.000 description 11
- 238000012545 processing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
- F25J1/0281—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. characterised by the type of prime driver, e.g. hot gas expander
- F25J1/0283—Gas turbine as the prime mechanical driver
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- F25J1/0288—Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders
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Abstract
Description
Claims (23)
- 少なくとも2つの窒素冷媒流を含む天然ガス液化方法であって、各窒素冷媒流が、圧縮、冷却、膨張及び加熱のサイクルを経る間に、前記少なくとも2つの窒素冷媒流のうちの他の窒素冷媒流とは異なる圧力まで膨張され、
前記加熱が1つ以上の熱交換器において起こり、
膨張された前記窒素冷媒流が、前記1つ以上の熱交換器のうちの少なくとも1つにおいて、天然ガス流及び1つ以上の圧縮された前記窒素冷媒流と熱交換関係にあり、少なくとも1つの膨張された窒素冷媒流が主窒素圧縮器の段においてサイドストリームとして圧縮され、圧縮された前記サイドストリームが、前記主窒素圧縮器の段を通過した後に、別の圧縮された窒素冷媒流と合流する、方法。 - 前記主窒素圧縮器が少なくとも2つの圧縮器段を備える、請求項1に記載の方法。
- 前記主窒素圧縮器のユニットが、共通駆動シャフト上で連結されている少なくとも2つの圧縮器を備える、請求項2に記載の方法。
- 前記圧縮された窒素冷媒流が、少なくとも2つの平行配置された膨張器によって互いに異なる圧力レベルに分割される、請求項1〜3のいずれか一項に記載の方法。
- 各膨張器が、共通駆動シャフトによって、窒素冷媒流を圧縮する圧縮器に接続されている、請求項4に記載の方法。
- 前記各膨張器に接続されている各圧縮器が、前記主窒素圧縮器により圧縮される前記窒素冷媒流の一部を受け入れて圧縮する、請求項5に記載の方法。
- 前記各膨張器に接続されている少なくとも1つの圧縮器が、前記熱交換器を通過した前記窒素冷媒流の少なくとも一部を受け入れて圧縮する、請求項5に記載の方法。
- 前記主窒素圧縮器が、ガスタービン駆動型又は電気モータ駆動型又は蒸気タービン駆動型である、請求項1〜7のいずれか一項に記載の方法。
- 前記膨張が、各膨張器における高圧膨張段、中圧膨張段及び低圧膨張段を含む、請求項1〜8のいずれか一項に記載の方法。
- 前記主窒素圧縮器が3つの圧縮器段を備え、相異なる圧力を有する2つのサイドストリームを受け入れる、請求項1〜9のいずれか一項に記載の方法。
- 前記3つの圧縮器が共通駆動シャフト上で連結されている、請求項10に記載の方法。
- 平行配置された3つの前記膨張器のうちの2つがターボ膨張器であり、第3の膨張器がジュール−トムソン弁である、請求項1〜11のいずれか一項に記載の方法。
- 天然ガスを複数の窒素冷媒流との熱交換関係に置く1つ以上の熱交換器からなる熱交換器システムと、第1の窒素冷媒流及び少なくとも第2の窒素冷媒流を圧縮する少なくとも2つの圧縮器と、前記第1の窒素冷媒流を第1の圧力まで膨張させる第1の膨張器、及び前記少なくとも第2の窒素冷媒流を前記第1の圧力より低い少なくとも第2の圧力まで膨張させる少なくとも第2の膨張器と、を備える天然ガス液化装置であって、
少なくとも2つの圧縮器段を備える主窒素圧縮器を更に含み、各圧縮器段は関連する窒素冷媒流を受け入れるように配置されており、各窒素冷媒流は、前記少なくとも2つの窒素冷媒流のうちの他の窒素冷媒流とは異なる圧力を有し、1つの窒素冷媒流は前記他の窒素冷媒流と合流するサイドストリームである、天然ガス液化装置。 - 前記1つの窒素冷媒流が、前記1つの窒素冷媒流に関連する前記圧縮器段を通過した後に、前記他の窒素冷媒流が前記他の窒素冷媒流に関連する前記圧縮器段へ進入する前に、前記他の窒素冷媒流と合流する、請求項13に記載の装置。
- 前記主窒素圧縮器が、共通駆動シャフト上で連結されている少なくとも2つの圧縮器を備える、請求項13又は14に記載の装置。
- 前記圧縮された窒素流が、少なくとも2つの平行配置された膨張器によって互いに異なる圧力レベルに分割される、請求項13〜15のいずれか一項に記載の装置。
- 各膨張器が、共通駆動シャフトによって、窒素冷媒流を圧縮するために配置されている圧縮器に接続されている、請求項15に記載の装置。
- 各圧縮器が、前記主窒素圧縮器により圧縮される前記窒素冷媒流の一部を受け入れて圧縮する、請求項17に記載の装置。
- 少なくとも1つの圧縮器が、前記熱交換器システムを通過した前記窒素冷媒流が前記主窒素圧縮器まで流動する前に、その少なくとも一部を受け入れて圧縮する、請求項15に記載の装置。
- 前記主窒素圧縮器のユニットが、ガスタービン駆動型又は電気モータ駆動型又は蒸気タービン駆動型である、請求項14〜19のいずれか一項に記載の装置。
- 前記第1の膨張器及び少なくとも第2の膨張器が、各膨張器における高圧膨張段、中圧膨張段及び低圧膨張段を備える、請求項14〜20のいずれか一項に記載の装置。
- 前記主窒素圧縮器が3つの圧縮器を備え、相異なる圧力を有する2つのサイドストリームを受け入れる、請求項14〜21のいずれか一項に記載の装置。
- 平行配置された3つの前記膨張器のうちの2つがターボ膨張器であり、第3の膨張器がジュールトムソン弁である、請求項22に記載の装置。
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EP11186241 | 2011-10-21 | ||
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PCT/EP2012/070887 WO2013057314A2 (en) | 2011-10-21 | 2012-10-22 | Multi nitrogen expansion process for lng production |
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US (1) | US9671160B2 (ja) |
EP (1) | EP2769159B1 (ja) |
JP (1) | JP6140713B2 (ja) |
KR (1) | KR101984337B1 (ja) |
CN (1) | CN103998881B (ja) |
AU (1) | AU2012324797C1 (ja) |
MY (1) | MY165162A (ja) |
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BR112018001366A2 (pt) * | 2015-07-24 | 2018-12-04 | Nuovo Pignone Tecnologie Srl | ?planta? |
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KR101792708B1 (ko) * | 2016-06-22 | 2017-11-02 | 삼성중공업(주) | 유체냉각장치 |
US11112173B2 (en) * | 2016-07-01 | 2021-09-07 | Fluor Technologies Corporation | Configurations and methods for small scale LNG production |
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FR3053770B1 (fr) * | 2016-07-06 | 2019-07-19 | Saipem S.P.A. | Procede de liquefaction de gaz naturel et de recuperation d'eventuels liquides du gaz naturel comprenant un cycle refrigerant semi-ouvert au gaz naturel et deux cycles refrigerant fermes au gaz refrigerant |
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CN106621684B (zh) * | 2016-12-13 | 2019-09-27 | 大连欧科膜技术工程有限公司 | 一种聚烯烃尾气回收方法 |
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US10866022B2 (en) | 2018-04-27 | 2020-12-15 | Air Products And Chemicals, Inc. | Method and system for cooling a hydrocarbon stream using a gas phase refrigerant |
WO2020124078A1 (en) * | 2018-12-14 | 2020-06-18 | Enhanced Energy Group, Llc | Improved semi-closed cycle with turbo membrane o2 source |
FR3117579B1 (fr) | 2020-12-15 | 2023-03-31 | Engie | Dispositif et procédé de pré-refroidissement d’un flux d’un fluide |
US20230115492A1 (en) * | 2021-10-13 | 2023-04-13 | Henry Edward Howard | System and method to produce liquefied natural gas |
US20230114229A1 (en) * | 2021-10-13 | 2023-04-13 | Henry Edward Howard | System and method to produce liquefied natural gas |
US20230113326A1 (en) * | 2021-10-13 | 2023-04-13 | Henry Edward Howard | System and method to produce liquefied natural gas |
CN117076830B (zh) * | 2023-10-13 | 2024-03-12 | 中国空气动力研究与发展中心计算空气动力研究所 | 氮气轴流压缩机功率确定方法、装置、电子设备及介质 |
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- 2012-10-22 US US14/352,827 patent/US9671160B2/en not_active Expired - Fee Related
- 2012-10-22 EP EP12773347.5A patent/EP2769159B1/en not_active Not-in-force
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MY165162A (en) | 2018-02-28 |
AU2012324797A2 (en) | 2014-06-05 |
WO2013057314A2 (en) | 2013-04-25 |
EP2769159A2 (en) | 2014-08-27 |
AU2012324797C1 (en) | 2018-08-16 |
KR20140093952A (ko) | 2014-07-29 |
US9671160B2 (en) | 2017-06-06 |
US20140245780A1 (en) | 2014-09-04 |
EP2769159B1 (en) | 2018-01-10 |
WO2013057314A3 (en) | 2014-05-30 |
NO2769159T3 (ja) | 2018-06-09 |
JP6140713B2 (ja) | 2017-05-31 |
KR101984337B1 (ko) | 2019-09-03 |
AU2012324797A1 (en) | 2014-06-12 |
SG11201401673WA (en) | 2014-09-26 |
AU2012324797B2 (en) | 2017-12-07 |
CN103998881B (zh) | 2016-11-16 |
CN103998881A (zh) | 2014-08-20 |
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