JP2021534358A - 天然ガス液化プラントにおけるボイルオフガス再循環サブシステム - Google Patents
天然ガス液化プラントにおけるボイルオフガス再循環サブシステム Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000007789 gas Substances 0.000 title claims abstract description 79
- 239000003345 natural gas Substances 0.000 title claims abstract description 46
- 239000003949 liquefied natural gas Substances 0.000 claims abstract description 147
- 239000002737 fuel gas Substances 0.000 claims abstract description 51
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000446 fuel Substances 0.000 claims abstract description 15
- 229930195733 hydrocarbon Natural products 0.000 claims description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract description 2
- 230000003134 recirculating effect Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000005420 bog Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000005351 kimble Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 238000011328 necessary treatment Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
- F25J1/0025—Boil-off gases "BOG" from storages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0229—Integration with a unit for using hydrocarbons, e.g. consuming hydrocarbons as feed stock
- F25J1/023—Integration with a unit for using hydrocarbons, e.g. consuming hydrocarbons as feed stock for the combustion as fuels, i.e. integration with the fuel gas system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0244—Operation; Control and regulation; Instrumentation
- F25J1/0245—Different modes, i.e. 'runs', of operation; Process control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0269—Arrangement of liquefaction units or equipments fulfilling the same process step, e.g. multiple "trains" concept
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/04—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/02—Multiple feed streams, e.g. originating from different sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/60—Natural gas or synthetic natural gas [SNG]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/90—Boil-off gas from storage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/08—Cold compressor, i.e. suction of the gas at cryogenic temperature and generally without afterstage-cooler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/30—Compression of the feed stream
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/60—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being hydrocarbons or a mixture of hydrocarbons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/90—Processes or apparatus involving steps for recycling of process streams the recycled stream being boil-off gas from storage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/62—Details of storing a fluid in a tank
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
本出願は、名称が「BOIL−OFF GAS RECYCLE SUBSYSTEM IN NATURAL GAS LIQUEFACTION PLANTS」である、2018年8月14日に出願された米国仮特許出願第62/718742号の優先権を主張する。
本開示は、一般に、天然ガス液化プラントにおける再循環液化天然ガス(LNG)ボイルオフガス(BOG)のためのサブシステム及びそれに関連する方法に関する。
102 フィードガスライン
104 液化サブシステム
106 LNGライン
108 LNG貯蔵タンク
110 EFGライン
112 EFG圧縮機
114 圧縮EFGライン
116 燃料ガスサブシステム
118 LNG BOGヘッダー
120 LNG BOG圧縮機
122 圧縮LNG BOGライン
124 燃料ガスライン
126 双方向ライン
A、B 流れ方向
Claims (10)
- 天然ガス液化プラントであって、
液化サブシステムに流体接続されて、フィードガスを前記液化サブシステムに供給するフィードガスラインと、
前記液化サブシステムを1又は2以上のLNGタンクに流体接続して、LNGを前記液化サブシステムから前記1又は2以上のLNGタンクに供給する液化天然ガス(LNG)ラインと、
前記液化サブシステムを燃料ガスサブシステムに流体接続して、エンドフラッシュガス(EFG)を前記液化サブシステムから燃料ガスサブシステムに供給するEFGラインと、
前記1又は2以上のLNGタンクを圧縮機に流体接続して、LNGボイルオフガス(BOG)を前記1又は2以上のLNGタンクから前記圧縮機に供給するLNG BOGヘッダーと、
前記圧縮機を燃料ガスライン及び双方向ラインに流体接続する圧縮LNG BOGラインと、
を備え、
前記燃料ガスラインが、前記圧縮LNG BOGライン及び前記双方向ラインを前記燃料ガスサブシステムに流体接続し、前記双方向ラインが、前記フィードガスラインを前記燃料ガスラインに流体接続し且つ前記圧縮LNG BOGラインを前記フィードガスラインに流体接続し、
再循環モードにあるときに、前記圧縮LNG BOGラインは、前記圧縮機からの圧縮LNG BOGを前記双方向ラインに供給し、前記双方向ラインは、前記圧縮LNG BOGを前記圧縮LNG BOGラインから前記フィードガスラインに供給し、
燃料モードにあるときに、前記圧縮LNG BOGラインは、前記圧縮LNG BOGを前記圧縮機から前記燃料ガスラインに供給し、前記双方向ラインは、前記天然ガスを前記フィードガスラインから前記燃料ガスラインに供給する、
ことを特徴とする天然ガス液化プラント。 - 前記システムが前記再循環モードにあるときに、前記圧縮LNG BOGラインは、圧縮LNG BOGを前記圧縮機から前記燃料ガスライン及び双方向ラインに供給する、請求項1に記載の天然ガス液化プラント
- 前記フィードガスライン、前記圧縮LNG BOGライン、及び前記双方向ラインは、約55バーゲージ〜約70バーゲージで加圧される、請求項1又は請求項2に記載の天然ガス液化プラント
- 前記フィードガスライン、前記圧縮LNG BOGライン、及び前記双方向ラインは、約60バーゲージ〜約65バーゲージで加圧される、請求項1〜3の何れかに記載の天然ガス液化プラント
- 前記液化サブシステムの上流側に1又は2以上のサブシステムを更に備え、前記サブシステムは、ガス受入サブシステム、凝縮物除去サブシステム、酸性ガス除去サブシステム、脱水サブシステム、水銀除去サブシステム、予冷サブシステム、重質炭化水素除去サブシステム、及びこれらの何れかの組み合わせから成るグループから選択される、請求項1〜4の何れか1項に記載の天然ガス液化プラント
- 天然ガス液化プラントを運転する方法であって、
フィードガスを液化サブシステムに供給するステップと、
前記フィードガスを液化して、液化天然ガス(LNG)及びエンドフラッシュガス(EFG)を生成するステップと、
前記EFGを前記圧縮EFGに圧縮するステップと、
前記圧縮EFGを燃料ガスとして用いるステップと、
1又は2以上のLNGタンクに前記LNGを貯蔵するステップと、
前記1又は2以上のLNGタンクからのLNGボイルオフガス(BOG)を圧縮して、前記圧縮LNG BOGを生成するステップと、
(1)双方向ラインを介して前記圧縮LNG BOGの少なくとも一部を前記フィードガスに供給することによって再循環モードで運転するステップ、
又は、
(2)(a)前記双方向ラインを介して前記フィードガスの一部を前記燃料ガスに供給すること及び(b)前記圧縮LNG BOGを前記燃料ガスに供給することによって、燃料モードで運転するステップ
の何れかと、
を含む、方法。 - 前記再循環モードで運転するステップは、前記圧縮LNG BOGの少なくとも一部を前記燃料ガスに供給するステップを更に含む、請求項6に記載の方法。
- 前記フィードガス及び前記圧縮LNG BOGは、個別に約55バーゲージ〜約70バーゲージの圧力である、請求項6又は請求項7に記載の方法。
- 前記フィードガス及び前記圧縮LNG BOGは、個別に約60バーゲージ〜約65バーゲージの圧力である、請求項6又は請求項7に記載の方法。
- 1又は2以上の方法によって天然ガス供給を処理して、液化のために前記フィードガスを生成するステップを更に含み、前記1又は2以上の方法は、凝縮物除去、酸性ガス除去、脱水、水銀除去、予冷、重質炭化水素除去、及びこれらの何れかの組み合わせから成るグループから選択される、請求項6〜9の何れか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201862718742P | 2018-08-14 | 2018-08-14 | |
US62/718,742 | 2018-08-14 | ||
PCT/US2019/043021 WO2020036712A1 (en) | 2018-08-14 | 2019-07-23 | Boil-off gas recycle subsystem in natural gas liquefaction plants |
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JP2021534358A true JP2021534358A (ja) | 2021-12-09 |
JP7204888B2 JP7204888B2 (ja) | 2023-01-16 |
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US (1) | US20200056838A1 (ja) |
EP (1) | EP3837483A1 (ja) |
JP (1) | JP7204888B2 (ja) |
AU (1) | AU2019320723B2 (ja) |
CA (1) | CA3108849C (ja) |
SG (1) | SG11202100466XA (ja) |
WO (1) | WO2020036712A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090031754A1 (en) * | 2006-04-22 | 2009-02-05 | Ebara International Corporation | Method and apparatus to improve overall efficiency of lng liquefaction systems |
US20100058803A1 (en) * | 2008-09-08 | 2010-03-11 | Conocophillips Company | System for incondensable component separation in a liquefied natural gas facility |
US20120047943A1 (en) * | 2009-03-31 | 2012-03-01 | Keppel Offshore & Marine Technology Centre Pte Ltd | Process for Natural Gas Liquefaction |
US20150143843A1 (en) * | 2013-11-25 | 2015-05-28 | Chevron U.S.A. Inc. | Integration of a small scale liquefaction unit with an lng plant to convert end flash gas and boil-off gas to incremental lng. |
US20160069609A1 (en) * | 2013-04-11 | 2016-03-10 | Shell Oil Company | Method of liquefying a contaminated hydrocarbon-containing gas stream |
JP2018511024A (ja) * | 2015-04-10 | 2018-04-19 | チャート・エナジー・アンド・ケミカルズ,インコーポレーテッド | 混合冷媒液化システム及び方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1472533A (en) | 1973-06-27 | 1977-05-04 | Petrocarbon Dev Ltd | Reliquefaction of boil-off gas from a ships cargo of liquefied natural gas |
WO1997013108A1 (en) | 1995-10-05 | 1997-04-10 | Bhp Petroleum Pty. Ltd. | Liquefaction apparatus |
MY117068A (en) | 1998-10-23 | 2004-04-30 | Exxon Production Research Co | Reliquefaction of pressurized boil-off from pressurized liquid natural gas |
US6658892B2 (en) | 2002-01-30 | 2003-12-09 | Exxonmobil Upstream Research Company | Processes and systems for liquefying natural gas |
US20070193303A1 (en) | 2004-06-18 | 2007-08-23 | Exxonmobil Upstream Research Company | Scalable capacity liquefied natural gas plant |
CN102782429B (zh) | 2010-03-05 | 2015-11-25 | 埃克森美孚上游研究公司 | 灵活的液化天然气车间设备 |
WO2018152481A1 (en) * | 2017-02-20 | 2018-08-23 | Atlas Copco Comptec, Llc | Partial reliquefaction system |
-
2019
- 2019-07-23 US US16/519,846 patent/US20200056838A1/en not_active Abandoned
- 2019-07-23 EP EP19749958.5A patent/EP3837483A1/en active Pending
- 2019-07-23 AU AU2019320723A patent/AU2019320723B2/en active Active
- 2019-07-23 SG SG11202100466XA patent/SG11202100466XA/en unknown
- 2019-07-23 WO PCT/US2019/043021 patent/WO2020036712A1/en unknown
- 2019-07-23 CA CA3108849A patent/CA3108849C/en active Active
- 2019-07-23 JP JP2021507594A patent/JP7204888B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090031754A1 (en) * | 2006-04-22 | 2009-02-05 | Ebara International Corporation | Method and apparatus to improve overall efficiency of lng liquefaction systems |
US20100058803A1 (en) * | 2008-09-08 | 2010-03-11 | Conocophillips Company | System for incondensable component separation in a liquefied natural gas facility |
US20120047943A1 (en) * | 2009-03-31 | 2012-03-01 | Keppel Offshore & Marine Technology Centre Pte Ltd | Process for Natural Gas Liquefaction |
US20160069609A1 (en) * | 2013-04-11 | 2016-03-10 | Shell Oil Company | Method of liquefying a contaminated hydrocarbon-containing gas stream |
US20150143843A1 (en) * | 2013-11-25 | 2015-05-28 | Chevron U.S.A. Inc. | Integration of a small scale liquefaction unit with an lng plant to convert end flash gas and boil-off gas to incremental lng. |
JP2018511024A (ja) * | 2015-04-10 | 2018-04-19 | チャート・エナジー・アンド・ケミカルズ,インコーポレーテッド | 混合冷媒液化システム及び方法 |
Also Published As
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US20200056838A1 (en) | 2020-02-20 |
JP7204888B2 (ja) | 2023-01-16 |
AU2019320723B2 (en) | 2023-01-12 |
CA3108849A1 (en) | 2020-02-20 |
WO2020036712A1 (en) | 2020-02-20 |
EP3837483A1 (en) | 2021-06-23 |
AU2019320723A1 (en) | 2021-02-18 |
CA3108849C (en) | 2023-05-23 |
SG11202100466XA (en) | 2021-02-25 |
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