WO2012023752A3 - 천연가스 액화공정 - Google Patents

천연가스 액화공정 Download PDF

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Publication number
WO2012023752A3
WO2012023752A3 PCT/KR2011/005889 KR2011005889W WO2012023752A3 WO 2012023752 A3 WO2012023752 A3 WO 2012023752A3 KR 2011005889 W KR2011005889 W KR 2011005889W WO 2012023752 A3 WO2012023752 A3 WO 2012023752A3
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WO
WIPO (PCT)
Prior art keywords
liquefaction process
refrigerant
natural gas
gas liquefaction
mixed
Prior art date
Application number
PCT/KR2011/005889
Other languages
English (en)
French (fr)
Other versions
WO2012023752A2 (ko
Inventor
이상규
최건형
양영명
이철구
차규상
박창원
최성희
이영범
Original Assignee
한국가스공사연구개발원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020100078902A external-priority patent/KR101037249B1/ko
Priority claimed from KR1020100116590A external-priority patent/KR101153156B1/ko
Priority claimed from KR1020110033526A external-priority patent/KR101056890B1/ko
Application filed by 한국가스공사연구개발원 filed Critical 한국가스공사연구개발원
Priority to CN201180034767.0A priority Critical patent/CN103038587B/zh
Priority to US13/806,372 priority patent/US10030908B2/en
Priority to AU2011292831A priority patent/AU2011292831B2/en
Publication of WO2012023752A2 publication Critical patent/WO2012023752A2/ko
Publication of WO2012023752A3 publication Critical patent/WO2012023752A3/ko

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Classifications

    • 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
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • F25J1/0055—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream originating from an incorporated cascade
    • 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
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • F25J1/0057—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream after expansion of the liquid refrigerant stream with extraction of work
    • 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
    • F25J1/0211—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
    • F25J1/0212—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a single flow MCR cycle
    • 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
    • F25J1/0211—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
    • F25J1/0214—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
    • 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
    • F25J1/0211—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
    • F25J1/0214—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
    • F25J1/0215—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle with one SCR cycle
    • 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.
    • F25J1/0291—Refrigerant compression by combined gas compression and liquid pumping
    • 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.
    • F25J1/0292—Refrigerant compression by cold or cryogenic suction of the refrigerant 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
    • F25J1/02—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.
    • F25J1/0294—Multiple compressor casings/strings in parallel, e.g. split arrangement
    • 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
    • F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration

Landscapes

  • 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)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

본 발명에 따른 천연가스 액화공정은 혼합 냉매를 채용한 하나의 냉동 사이클을 사용하기 때문에 액화공정의 구조가 단순하고 시스템이 콤팩트하면서도 시스템의 운전이 용이할 뿐만 아니라, 혼합 냉매가 두 개의 냉매 부분으로 분리된 다음에는 냉매 부분 사이의 혼합 없이 각각 개별적으로 응축(냉각), 팽창, 열교환 및 압축의 단계가 진행되기 때문에 분리된 냉매 부분에 대해 각각 최적의 온도 및 압력 등에 대한 조건을 적용할 수 있으며, 이에 따라 액화공정의 효율을 향상시킬 수 있다.
PCT/KR2011/005889 2010-08-16 2011-08-11 천연가스 액화공정 WO2012023752A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201180034767.0A CN103038587B (zh) 2010-08-16 2011-08-11 天然气液化方法
US13/806,372 US10030908B2 (en) 2010-08-16 2011-08-11 Natural gas liquefaction process
AU2011292831A AU2011292831B2 (en) 2010-08-16 2011-08-11 Natural gas liquefaction process

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR1020100078902A KR101037249B1 (ko) 2010-08-16 2010-08-16 천연가스 액화공정
KR10-2010-0078902 2010-08-16
KR1020100116590A KR101153156B1 (ko) 2010-11-23 2010-11-23 천연가스 액화공정 및 이를 이용한 천연가스 액화시스템
KR10-2010-0116590 2010-11-23
KR10-2011-0033526 2011-04-12
KR1020110033526A KR101056890B1 (ko) 2011-04-12 2011-04-12 천연가스 액화공정

Publications (2)

Publication Number Publication Date
WO2012023752A2 WO2012023752A2 (ko) 2012-02-23
WO2012023752A3 true WO2012023752A3 (ko) 2012-05-03

Family

ID=45605524

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/005889 WO2012023752A2 (ko) 2010-08-16 2011-08-11 천연가스 액화공정

Country Status (4)

Country Link
US (1) US10030908B2 (ko)
CN (1) CN103038587B (ko)
AU (1) AU2011292831B2 (ko)
WO (1) WO2012023752A2 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9441877B2 (en) 2010-03-17 2016-09-13 Chart Inc. Integrated pre-cooled mixed refrigerant system and method
US11408673B2 (en) 2013-03-15 2022-08-09 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
US11428463B2 (en) 2013-03-15 2022-08-30 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
CA2907444C (en) 2013-03-15 2022-01-18 Douglas A. Ducote, Jr. Mixed refrigerant system and method
WO2014189261A1 (ko) * 2013-05-20 2014-11-27 한국가스공사 천연가스 액화공정
US20150276307A1 (en) * 2014-03-26 2015-10-01 Dresser-Rand Company System and method for the production of liquefied natural gas
US9759480B2 (en) 2014-10-10 2017-09-12 Air Products And Chemicals, Inc. Refrigerant recovery in natural gas liquefaction processes
EP3230669A4 (en) * 2014-12-12 2018-08-01 Dresser Rand Company System and method for liquefaction of natural gas
AR105277A1 (es) * 2015-07-08 2017-09-20 Chart Energy & Chemicals Inc Sistema y método de refrigeración mixta

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4901533A (en) * 1986-03-21 1990-02-20 Linde Aktiengesellschaft Process and apparatus for the liquefaction of a natural gas stream utilizing a single mixed refrigerant
US5657643A (en) * 1996-02-28 1997-08-19 The Pritchard Corporation Closed loop single mixed refrigerant process
JPH11311480A (ja) * 1998-04-29 1999-11-09 Inst Fr Petrole 冷媒混合物を相分離させることなく天然ガスを液化する方法および装置
KR20080109090A (ko) * 2006-04-12 2008-12-16 쉘 인터내셔날 리써취 마트샤피지 비.브이. 천연 가스 스트림의 액화 방법 및 장치

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US6427483B1 (en) * 2001-11-09 2002-08-06 Praxair Technology, Inc. Cryogenic industrial gas refrigeration system
KR100609169B1 (ko) 2004-11-02 2006-08-02 엘지전자 주식회사 캐스캐이드 냉동사이클
KR100609168B1 (ko) 2004-11-02 2006-08-02 엘지전자 주식회사 캐스캐이드 냉동사이클
RU2406949C2 (ru) * 2005-08-09 2010-12-20 Эксонмобил Апстрим Рисерч Компани Способ ожижения природного газа для получения сжиженного природного газа
US20100319396A1 (en) * 2006-10-23 2010-12-23 Willem Dam Method and apparatus for liquefying hydrocarbon streams
WO2009029140A1 (en) * 2007-08-24 2009-03-05 Exxonmobil Upstream Research Company Natural gas liquefaction process
CN101413749B (zh) 2008-11-20 2010-10-06 成都赛普瑞兴科技有限公司 一种单级混合冷剂制冷循环液化天然气的方法及装置
KR101009853B1 (ko) 2010-04-30 2011-01-19 한국가스공사연구개발원 냉매 분리가 있는 천연가스 액화공정
KR101009892B1 (ko) 2010-04-30 2011-01-20 한국가스공사연구개발원 천연가스 액화공정

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901533A (en) * 1986-03-21 1990-02-20 Linde Aktiengesellschaft Process and apparatus for the liquefaction of a natural gas stream utilizing a single mixed refrigerant
US5657643A (en) * 1996-02-28 1997-08-19 The Pritchard Corporation Closed loop single mixed refrigerant process
JPH11311480A (ja) * 1998-04-29 1999-11-09 Inst Fr Petrole 冷媒混合物を相分離させることなく天然ガスを液化する方法および装置
KR20080109090A (ko) * 2006-04-12 2008-12-16 쉘 인터내셔날 리써취 마트샤피지 비.브이. 천연 가스 스트림의 액화 방법 및 장치

Also Published As

Publication number Publication date
US20130133362A1 (en) 2013-05-30
US10030908B2 (en) 2018-07-24
CN103038587B (zh) 2015-06-10
CN103038587A (zh) 2013-04-10
WO2012023752A2 (ko) 2012-02-23
AU2011292831A1 (en) 2013-01-24
AU2011292831B2 (en) 2014-10-02

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