JP5219306B2 - 沖合でのlngの再ガス化および発熱量の調節のための構成および方法 - Google Patents
沖合でのlngの再ガス化および発熱量の調節のための構成および方法 Download PDFInfo
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- JP5219306B2 JP5219306B2 JP2010502991A JP2010502991A JP5219306B2 JP 5219306 B2 JP5219306 B2 JP 5219306B2 JP 2010502991 A JP2010502991 A JP 2010502991A JP 2010502991 A JP2010502991 A JP 2010502991A JP 5219306 B2 JP5219306 B2 JP 5219306B2
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- lng
- demethanizer
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- vaporized
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- 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
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/62—Ethane or ethylene
-
- 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
- F25J2230/04—Compressor cooling arrangement, e.g. inter- or after-stage cooling or condensate removal
-
- 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
-
- 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
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/60—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being (a mixture of) hydrocarbons
-
- 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
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
-
- 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
- F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/04—Internal refrigeration with work-producing gas expansion loop
-
- 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
- F25J2290/60—Details about pipelines, i.e. network, for feed or product distribution
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Claims (16)
- 天然ガス製品を供給する方法であって、
LNG気化器を用いて、−28.9℃〜−6.7℃(−20°F〜20°F)の温度にある超臨界圧の気化LNGを、LNG処理ユニットへと供給するステップ、
LNG処理ユニットの気化LNGを膨張させ、膨張させた気化LNGの冷熱を使用して、脱メタン装置の塔頂生成物を圧縮する第1の再圧縮機の吐出流および脱エタン装置の塔頂生成物を凝縮する還流凝縮器に冷却をもたらすステップであって、これにより加熱された気化LNGの流れを形成する、ステップ、
加熱された気化LNGの流れを、第1および第2の部分へと分割するステップ、
少なくともC2成分の回収に充分な温度を有する還流の流れを、脱メタン装置のために形成するように第1の部分を凝縮させ、さらに第2の部分をターボ膨張させ、膨張させた第2の部分を脱メタン装置へと供給するステップ、
脱メタン装置の塔頂生成物を生成するステップ、および
超臨界圧の気化LNGの一部分の圧力を減圧し、この減圧された一部分を脱メタン装置の塔頂生成物と混合して天然ガス製品を形成するステップ
を含む、方法。 - 再ガス化ユニットが、LNGの組成および所望されるC2回収の少なくとも一方の関数である温度へとLNGを再ガス化させるように運転される、請求項1に記載の方法。
- 超臨界圧の気化LNGが、沖合の再ガス化ユニットから供給される、請求項1に記載の方法。
- 超臨界圧のLNGが、少なくとも8.27MPaG(1200psig)の圧力を有する、請求項1に記載の方法。
- 脱メタン装置が、脱メタン装置の塔底の臨界圧力を少なくとも約10%下回る圧力で運転される、請求項1に記載の方法。
- 脱メタン装置が、約3.79MPaG〜4.83MPaG(550psig〜700psig)の間の圧力で運転される、請求項4に記載の方法。
- 脱メタン装置が、脱メタン装置の塔底生成物を受け取り、脱メタン装置の動作圧力よりも低い圧力で運転される脱エタン装置へと接続されている、請求項1に記載の方法。
- 膨張させた気化LNGの冷熱を使用して、第2の再圧縮機の吐出流に冷却をもたらすステップをさらに含み、第2の再圧縮機は、冷却された第1の再圧縮機の吐出流を圧縮する、請求項1に記載の方法。
- −28.9℃〜−6.7℃(−20°F〜20°F)の温度にある超臨界圧の気化LNGをもたらすように構成されたLNG気化器、
気化器へと接続され、気化したLNGを膨張させて、冷却された膨張LNGの流れを形成するように構成された膨張器、
それぞれ脱メタン装置の塔頂生成物を圧縮する第1の再圧縮機の吐出流および脱エタン装置の塔頂生成物を凝縮する還流凝縮器に冷却をもたらし、冷却された膨張LNGの流れの冷熱を使用して、加熱された気化LNGの流れを形成するように構成された第1および第2の熱交換器、
加熱された気化LNGの流れの第1の部分を凝縮させるように構成された第3の熱交換器、また、凝縮させた第1の部分を還流として受け取るように構成され、塔頂生成物をもたらすようにさらに構成された脱メタン装置、
加熱された気化LNGの流れの第2の部分を膨張させて、脱メタン装置への供給を形成するように構成されたターボ膨張器、および
脱メタン装置の塔頂生成物を超臨界圧の気化LNGの一部と混合し、これにより天然ガス製品を形成することを可能にする、迂回路
を備える、ガス処理プラント。 - LNG気化器が、沖合の気化器である、請求項9に記載のプラント。
- LNG気化器が、少なくとも8.27MPaG(1200psig)の圧力の気化LNGをもたらすように構成されている、請求項10に記載のプラント。
- LNG気化器へと作用可能に接続された制御ユニットをさらに備え、制御ユニットが、再ガス化されたLNGの温度を、LNGの組成および所望されるC2回収の少なくとも一方の関数として制御するように構成されている、請求項9に記載のプラント。
- 脱メタン装置が、脱メタン装置の塔底の臨界圧力を少なくとも約10%下回る圧力で運転されるように構成されている、請求項9に記載のプラント。
- 脱メタン装置が、約3.79MPaG〜4.83MPaG(550psig〜700psig)の間の圧力での運転を可能にするように構成されている、請求項9に記載のプラント。
- 脱エタン装置が、脱メタン装置に流体的に接続され、脱メタン装置の塔底生成物を受け取る、請求項9に記載のプラント。
- 脱エタン装置が、脱メタン装置の動作圧力よりも低い圧力での脱エタン装置の動作を可能にするように構成されている、請求項15に記載のプラント。
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US91171907P | 2007-04-13 | 2007-04-13 | |
US60/911,719 | 2007-04-13 | ||
PCT/US2007/026281 WO2008127326A1 (en) | 2007-04-13 | 2007-12-20 | Configurations and methods for offshore lng regasification and heating value conditioning |
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US (1) | US8695376B2 (ja) |
EP (1) | EP2137454A4 (ja) |
JP (1) | JP5219306B2 (ja) |
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US20110099128A1 (en) * | 2009-10-27 | 2011-04-28 | Weaver Michael K | Method of Production and Use of Ethane Gas |
US20110289941A1 (en) * | 2010-05-28 | 2011-12-01 | General Electric Company | Brayton cycle regasification of liquiefied natural gas |
AT509334B1 (de) * | 2010-07-09 | 2011-08-15 | Lo Solutions Gmbh | Verfahren und vorrichtung zur bereitstellung von elektrischer und thermischer energie, insbesondere in einer hafenanlage |
US10451344B2 (en) | 2010-12-23 | 2019-10-22 | Fluor Technologies Corporation | Ethane recovery and ethane rejection methods and configurations |
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WO2014168843A1 (en) * | 2013-04-12 | 2014-10-16 | Excelerate Liquefaction Solutions, Llc | Systems and methods for floating dockside liquefaction of natural gas |
CN103673502B (zh) * | 2013-12-10 | 2017-01-25 | 新奥科技发展有限公司 | 一种天然气提纯液化方法 |
US20160216030A1 (en) * | 2015-01-23 | 2016-07-28 | Air Products And Chemicals, Inc. | Separation of Heavy Hydrocarbons and NGLs from Natural Gas in Integration with Liquefaction of Natural Gas |
CA2976071C (en) | 2015-02-09 | 2020-10-27 | Fluor Technologies Corporation | Methods and configuration of an ngl recovery process for low pressure rich feed gas |
US10006701B2 (en) | 2016-01-05 | 2018-06-26 | Fluor Technologies Corporation | Ethane recovery or ethane rejection operation |
WO2017135804A1 (ko) * | 2016-02-01 | 2017-08-10 | 현대중공업 주식회사 | 가스 재기화 시스템을 구비하는 선박 |
US10823335B2 (en) | 2016-02-01 | 2020-11-03 | Hyundai Heavy Industries Co., Ltd. | Ship including gas re-vaporizing system |
CN108698672A (zh) * | 2016-04-07 | 2018-10-23 | 现代重工业株式会社 | 具有气体再汽化系统的船舶 |
US10330382B2 (en) | 2016-05-18 | 2019-06-25 | Fluor Technologies Corporation | Systems and methods for LNG production with propane and ethane recovery |
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EP3589881B1 (en) * | 2017-03-02 | 2024-07-31 | The Lisbon Group, LLC | Systems and methods for transporting liquefied natural gas |
MX2020003412A (es) | 2017-10-20 | 2020-09-18 | Fluor Tech Corp | Implementacion de fase de plantas de recuperacion de liquido de gas natural. |
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WO2022203600A1 (en) * | 2021-03-22 | 2022-09-29 | Singapore Lng Corporation Pte Ltd | Methods, apparatus and system for utilising cold energy recovered from a liquefied natural gas feed in a natural gas liquid extraction process |
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