WO2003074955A1 - Procede de liquefaction d'un flux riche en hydrocarbures - Google Patents

Procede de liquefaction d'un flux riche en hydrocarbures Download PDF

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Publication number
WO2003074955A1
WO2003074955A1 PCT/EP2003/002081 EP0302081W WO03074955A1 WO 2003074955 A1 WO2003074955 A1 WO 2003074955A1 EP 0302081 W EP0302081 W EP 0302081W WO 03074955 A1 WO03074955 A1 WO 03074955A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydrocarbon
stream
refrigerant
liquefied
boiling
Prior art date
Application number
PCT/EP2003/002081
Other languages
German (de)
English (en)
Inventor
Heinz Bauer
Herwig Landes
Rainer Sapper
Thorsten SCHÜLER
Original Assignee
Linde Aktiengesellschaft
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
Application filed by Linde Aktiengesellschaft filed Critical Linde Aktiengesellschaft
Priority to AU2003218673A priority Critical patent/AU2003218673A1/en
Publication of WO2003074955A1 publication Critical patent/WO2003074955A1/fr
Priority to NO20044222A priority patent/NO20044222L/no

Links

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
    • F25J1/02—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
    • F25J1/0002—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
    • F25J1/003—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
    • F25J1/0032—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 the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/004—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 the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by flash gas recovery
    • 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
    • F25J1/0032—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 the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/0045—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 the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by vaporising a liquid return 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
    • 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
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/008—Hydrocarbons
    • F25J1/0092—Mixtures of hydrocarbons comprising possibly also minor amounts of nitrogen
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/62—Separating low boiling components, e.g. He, H2, N2, Air
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general
    • 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
    • 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

Definitions

  • the invention relates to a method for liquefying a hydrocarbon-rich stream, in particular a natural gas stream, the liquefaction of the hydrocarbon-rich stream taking place in the heat exchange with a refrigerant mixture stream.
  • Natural gas liquefaction plants are either designed as so-called LNG baseload plants - plants for liquefying natural gas to supply natural gas as primary energy - or as so-called peak shaving plants - plants for liquefying natural gas to meet peak demand.
  • the aforementioned peak shaving plants are operated with expansion turbines or refrigerant mixtures in the refrigeration circuits.
  • LNG Baseload Plants are usually operated with refrigeration circuits that consist of hydrocarbon mixtures. These mixed cycles are more energy efficient than expander cycles and, with the large liquefaction capacities of the Baseload Plants, enable relatively low energy consumption.
  • the object of the present invention is to provide a generic method for liquefying a hydrocarbon-rich stream, in particular one Specify natural gas flow, which has a lower energy consumption compared to an expander process, but the equipment complexity - compared to conventional refrigerant mixture circuits - can be kept low. Furthermore, the procedural effort and thus the personnel required to operate the process should be minimized or optimized.
  • the refrigerant mixture flow consists of two components, one of the components being a component of the hydrocarbon-rich stream to be liquefied and the other component being a heavy hydrocarbon, at least at least propane or propylene, and before cooling and cooling-providing expansion of the two components, the refrigerant mixture is separated into a higher-boiling and a lower-boiling refrigerant fraction.
  • the inventive method for liquefying a hydrocarbon-rich stream combines the technical simplicity of an expander process with the operational or procedural simplicity and the energetic advantages of mixed refrigerant circuits.
  • the compression of the refrigerant mixture be carried out by means of an at least two-stage compression and the higher-boiling refrigerant fraction is mixed with the lower-boiling refrigerant fraction at an intermediate pressure level.
  • a dry, pretreated hydrocarbon-rich stream for example natural gas
  • the hydrocarbon-rich stream has, for example, a pressure between 10 and 60 bar.
  • the hydrocarbon-rich stream is then expanded via valve a and line 2 into the separator D1, in which undesired, heavier components, such as, for example, higher hydrocarbons, are separated off.
  • a C 2. -Rich fraction is drawn off via line 3, further cooled in the heat exchanger E1, thereby liquefied and possibly supercooled and then fed via line 4 and expansion valve b to the (intermediate) storage tank T or relaxed in it ,
  • a liquid fraction - in this case, liquefied natural gas (LNG) - can be withdrawn from line (intermediate) storage container T via line 5 and used for further use.
  • LNG liquefied natural gas
  • boil-off gas is withdrawn from the (intermediate) storage tank T via line 9, heated in the heat exchanger E1 against process streams to be cooled, and discharged via the fuel or fuel gas line 8 to be described.
  • the liquid fraction which may have been separated from the hydrocarbon-rich stream to be liquefied, is drawn off via line 7, in which an expansion valve c is arranged, and is heated in the heat exchanger E1 against process streams to be cooled, in the valve connected downstream of the heat exchanger E1 d relaxed and then discharged via line 8 as fuel or fuel gas from the process.
  • the above-described cooling and liquefaction of the hydrocarbon-rich stream is carried out according to the invention in the heat exchange against a refrigerant mixture stream which consists of two components.
  • the corresponding refrigeration circuit in the embodiments according to FIGS. 1 and 2 each has a two-stage compressor unit, consisting of the compressor stages C1 and C2. Each compressor stage is followed by an air or water cooler E2 or E3.
  • the refrigeration circuit also has a so-called warm separator D2.
  • the provision of only one warm separator considerably reduces the operational complexity of the method according to the invention, compared with the known refrigerant mixture circuits.
  • the separator D2 the refrigerant mixture is separated into a lower-boiling and a higher-boiling fraction.
  • the lower-boiling fraction is removed from the separator D2 at its head via line 23, cooled in the heat exchanger E1 and partially condensed and then expanded at the cold end of the heat exchanger E1 in the expansion valve f to provide cold.
  • the relaxed fraction is fed back to the heat exchanger E1 via line 24, evaporates in it against process streams to be cooled and is overheated and then fed via line 20 to the first stage C1 of the two-stage compressor unit.
  • the compressed lower-boiling fraction is then fed via line 21 to the second compressor stage C2 - the admixture of the higher-boiling fraction will be discussed in more detail below - and compressed to the final refrigerant circuit pressure, which is, for example, between 20 and 60 bar.
  • the second compressor stage C2 is also a
  • Downstream heat exchanger E3 as cooler.
  • the refrigerant mixture which has been cooled and partially condensed in the aftercooler E3 is then fed back to the separator D2 via line 22.
  • a higher-boiling liquid fraction is drawn off from the bottom of the separator D2 via line 25, cooled in the heat exchanger E1 and then expanded in the expansion valve e to the desired intermediate pressure in a cooling manner.
  • This fraction is then in turn fed to the heat exchanger E1 via line 26, warmed and evaporated therein against process streams to be cooled, and then fed via line 27 to the compressor unit before its second compressor stage C2.
  • Reliquefaction compressor C3 fed, compressed in this and then fed to the heat exchanger E1 via line 9 '.
  • a desired partial flow of the boil-off gas can now be re-liquefied in the heat exchanger E1 and fed back to the (intermediate) storage tank T via line 0 and expansion valve g or can be expanded therein.
  • Such a boil-off re-liquefaction circuit is expediently only provided if this is necessary and / or sensible due to the amount of boil-off gas that arises.

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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)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

L'invention concerne un procédé de liquéfaction d'un flux riche en hydrocarbures (1), en particulier d'un flux de gaz naturel, la liquéfaction de ce flux riche en hydrocarbures intervenant par échange thermique (E1) avec un flux de mélange réfrigérant (22). Selon l'invention, ce flux de mélange réfrigérant est composé de deux composants, un de ces composants étant un élément constitutif du flux riche en hydrocarbures à liquéfier, et l'autre composant étant un hydrocarbure lourd, à savoir au moins du propane ou du propène. Avant le refroidissement (E1) et l'expansion à effet réfrigérant (e, f) de ces deux composants intervient la séparation (D2) du mélange réfrigérant en une fraction à point d'ébullition plus élevé (25) et en une fraction à point d'ébullition plus bas (23).
PCT/EP2003/002081 2002-03-06 2003-02-28 Procede de liquefaction d'un flux riche en hydrocarbures WO2003074955A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003218673A AU2003218673A1 (en) 2002-03-06 2003-02-28 Method for liquefying a hydrocarbon-rich flow
NO20044222A NO20044222L (no) 2002-03-06 2004-10-05 Fremgangsmate for flytendegjoring av en stromning rik pa hydrokarboner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10209799.2 2002-03-06
DE2002109799 DE10209799A1 (de) 2002-03-06 2002-03-06 Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes

Publications (1)

Publication Number Publication Date
WO2003074955A1 true WO2003074955A1 (fr) 2003-09-12

Family

ID=27771024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/002081 WO2003074955A1 (fr) 2002-03-06 2003-02-28 Procede de liquefaction d'un flux riche en hydrocarbures

Country Status (4)

Country Link
AU (1) AU2003218673A1 (fr)
DE (1) DE10209799A1 (fr)
NO (1) NO20044222L (fr)
WO (1) WO2003074955A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009006694A1 (fr) 2007-07-09 2009-01-15 Lng Technology Pty Ltd Système et procédé de traitement de gaz d'évaporation
GB2459173A (en) * 2008-04-17 2009-10-21 Linde Ag Method of liquefying a hydrocarbon-rich fraction
WO2013135037A1 (fr) * 2012-03-13 2013-09-19 新地能源工程技术有限公司 Appareil et procédé de liquéfaction de gaz naturel par la réfrigération d'un unique fluide actif mélangé
GB2491796B (en) * 2010-03-25 2016-02-24 Univ Manchester Refrigeration process
CN105823300A (zh) * 2015-01-06 2016-08-03 中国石化工程建设有限公司 一种低能耗天然气液化方法
US9441877B2 (en) 2010-03-17 2016-09-13 Chart Inc. Integrated pre-cooled mixed refrigerant system and method
CN107436072A (zh) * 2017-08-14 2017-12-05 新地能源工程技术有限公司 带有制冷剂补充装置的天然气液化系统及方法
US10480851B2 (en) 2013-03-15 2019-11-19 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
US10663221B2 (en) 2015-07-08 2020-05-26 Chart Energy & Chemicals, Inc. 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
RU2807859C1 (ru) * 2022-10-28 2023-11-21 Общество с ограниченной ответственностью научно-исследовательский и проектный институт "ПЕГАЗ" Установка сжижения природного газа (варианты)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005010055A1 (de) * 2005-03-04 2006-09-07 Linde Ag Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB643886A (en) * 1947-10-20 1950-09-27 Martin Ruhemann Improvements in and relating to cooling processes and machines
US3418819A (en) * 1965-06-25 1968-12-31 Air Liquide Liquefaction of natural gas by cascade refrigeration
US3747359A (en) * 1969-08-01 1973-07-24 Linde Ag Gas liquefaction by a fractionally condensed refrigerant
US3808826A (en) * 1970-09-28 1974-05-07 Phillips Petroleum Co Refrigeration process
US4526596A (en) * 1980-04-04 1985-07-02 Compagnie Francaise Des Petroles Process for recovering butane and propane from crude gas
EP0281821A1 (fr) * 1987-02-27 1988-09-14 Air Products And Chemicals, Inc. Dessiccation d'un gaz d'alimentation par prérefroidissement dans les procédés de liquéfaction de gaz naturel à l'aide d'un réfrigérant à composant multiple
US5036671A (en) * 1990-02-06 1991-08-06 Liquid Air Engineering Company Method of liquefying natural gas
EP1092933A1 (fr) * 1999-10-12 2001-04-18 Air Products And Chemicals, Inc. Procédé de liquéfaction de gaz en utilisant un seul circuit à mélange réfrigérant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540142C1 (de) * 1995-10-27 1997-03-27 Linde Ag Verfahren zum Verflüssigen oder Teilverflüssigen von unter Druck stehenden Gasen oder Gasgemischen
DE19705358A1 (de) * 1997-02-12 1998-08-13 Linde Ag Verfahren und Vorrichtung zum Außerbetriebnehmen eines offenen oder geschlossenen Gas- und/oder Flüssigkeits-(Kälte)Kreislaufes
DE19707475A1 (de) * 1997-02-25 1998-08-27 Linde Ag Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes
DE19716415C1 (de) * 1997-04-18 1998-10-22 Linde Ag Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes
DE19719376C2 (de) * 1997-05-07 1999-10-21 Linde Ag Verfahren und Vorrichtung zum Anwärmen eines aus einem Speicherbehälter abgezogenen verflüssigten Gases oder Gasgemisches
DE19937623B4 (de) * 1999-08-10 2009-08-27 Linde Ag Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB643886A (en) * 1947-10-20 1950-09-27 Martin Ruhemann Improvements in and relating to cooling processes and machines
US3418819A (en) * 1965-06-25 1968-12-31 Air Liquide Liquefaction of natural gas by cascade refrigeration
US3747359A (en) * 1969-08-01 1973-07-24 Linde Ag Gas liquefaction by a fractionally condensed refrigerant
US3808826A (en) * 1970-09-28 1974-05-07 Phillips Petroleum Co Refrigeration process
US4526596A (en) * 1980-04-04 1985-07-02 Compagnie Francaise Des Petroles Process for recovering butane and propane from crude gas
EP0281821A1 (fr) * 1987-02-27 1988-09-14 Air Products And Chemicals, Inc. Dessiccation d'un gaz d'alimentation par prérefroidissement dans les procédés de liquéfaction de gaz naturel à l'aide d'un réfrigérant à composant multiple
US5036671A (en) * 1990-02-06 1991-08-06 Liquid Air Engineering Company Method of liquefying natural gas
EP1092933A1 (fr) * 1999-10-12 2001-04-18 Air Products And Chemicals, Inc. Procédé de liquéfaction de gaz en utilisant un seul circuit à mélange réfrigérant

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009006694A1 (fr) 2007-07-09 2009-01-15 Lng Technology Pty Ltd Système et procédé de traitement de gaz d'évaporation
EP2171341A4 (fr) * 2007-07-09 2017-12-13 LNG Technology Pty Ltd Système et procédé de traitement de gaz d'évaporation
GB2459173A (en) * 2008-04-17 2009-10-21 Linde Ag Method of liquefying a hydrocarbon-rich fraction
GB2459173B (en) * 2008-04-17 2010-11-17 Linde Ag Method of liquefying a hydrocarbon-rich fraction
US9441877B2 (en) 2010-03-17 2016-09-13 Chart Inc. Integrated pre-cooled mixed refrigerant system and method
US10502483B2 (en) 2010-03-17 2019-12-10 Chart Energy & Chemicals, Inc. Integrated pre-cooled mixed refrigerant system and method
GB2491796B (en) * 2010-03-25 2016-02-24 Univ Manchester Refrigeration process
WO2013135037A1 (fr) * 2012-03-13 2013-09-19 新地能源工程技术有限公司 Appareil et procédé de liquéfaction de gaz naturel par la réfrigération d'un unique fluide actif mélangé
US10480851B2 (en) 2013-03-15 2019-11-19 Chart Energy & Chemicals, Inc. 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
CN105823300A (zh) * 2015-01-06 2016-08-03 中国石化工程建设有限公司 一种低能耗天然气液化方法
US10663221B2 (en) 2015-07-08 2020-05-26 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
US11408676B2 (en) 2015-07-08 2022-08-09 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
US12104849B2 (en) 2015-07-08 2024-10-01 Chart Energy & Chemicals, Inc. Mixed refrigerant system and method
CN107436072A (zh) * 2017-08-14 2017-12-05 新地能源工程技术有限公司 带有制冷剂补充装置的天然气液化系统及方法
CN107436072B (zh) * 2017-08-14 2019-11-29 新地能源工程技术有限公司 带有制冷剂补充装置的天然气液化系统及方法
RU2807859C1 (ru) * 2022-10-28 2023-11-21 Общество с ограниченной ответственностью научно-исследовательский и проектный институт "ПЕГАЗ" Установка сжижения природного газа (варианты)
RU2814002C1 (ru) * 2023-03-24 2024-02-21 Общество с ограниченной ответственностью научно-исследовательский и проектный институт "ПЕГАЗ" Установка сжижения природного газа

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