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FR3043451B1 - METHOD FOR OPTIMIZING NATURAL GAS LIQUEFACTION - Google Patents

METHOD FOR OPTIMIZING NATURAL GAS LIQUEFACTION Download PDF

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Publication number
FR3043451B1
FR3043451B1 FR1560731A FR1560731A FR3043451B1 FR 3043451 B1 FR3043451 B1 FR 3043451B1 FR 1560731 A FR1560731 A FR 1560731A FR 1560731 A FR1560731 A FR 1560731A FR 3043451 B1 FR3043451 B1 FR 3043451B1
Authority
FR
France
Prior art keywords
heat exchanger
stream
refrigerant stream
temperature
stage
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1560731A
Other languages
French (fr)
Other versions
FR3043451A1 (en
Inventor
Nicolas Chambron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR1560731A priority Critical patent/FR3043451B1/en
Priority to EA201891076A priority patent/EA201891076A1/en
Priority to CN201680072923.5A priority patent/CN108369059A/en
Priority to PCT/FR2016/052024 priority patent/WO2017081374A1/en
Priority to US15/778,297 priority patent/US20180356150A1/en
Priority to RU2016138301A priority patent/RU2669072C2/en
Publication of FR3043451A1 publication Critical patent/FR3043451A1/en
Application granted granted Critical
Publication of FR3043451B1 publication Critical patent/FR3043451B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F25J1/0002—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
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/007—Primary atmospheric gases, mixtures thereof
    • F25J1/0072—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
    • 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
    • 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
    • F25J1/0217—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 at least a three level refrigeration cascade with at least one MCR cycle
    • F25J1/0218—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 at least a three level refrigeration cascade with at least one MCR cycle with one or more SCR cycles, e.g. with a C3 pre-cooling 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
    • 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
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/12—External refrigeration with liquid vaporising 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
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/66—Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. 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
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
    • F25J2270/902—Details about the refrigeration cycle used, e.g. composition of refrigerant, arrangement of compressors or cascade, make up sources, use of reflux exchangers etc.

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

Procédé de liquéfaction d'un courant d'hydrocarbures à partir d'un courant d'alimentation comprenant au moins les étapes suivantes : Etape a) : passage du gaz d'alimentation contre un courant réfrigérant mixte à travers un échangeur de chaleur pour fournir un flux d'hydrocarbures au moins partiellement liquéfié ayant une température inférieure à - 140°C ; Etape b) : extraction d'un courant réfrigérant mixte de l'échangeur de chaleur à partir d'une sortie où la température dans l'échangeur de chaleur est la plus élevée; Etape c) : introduction du réfrigérant mixte issu de l'étape b) dans un moyen séparateur de phases afin de produire un courant réfrigérant gazeux et un premier courant réfrigérant liquide; Etape d) : passage du premier courant réfrigérant liquide issu de l'étape c) dans l'échangeur de chaleur à partir d'une première entrée et jusqu'à une sortie dite intermédiaire au-delà de laquelle le courant réfrigérant ainsi obtenu est détendu, la température T1 à ladite sortie étant telle que ladite détente produit une fraction gaz inférieure à 20% ; Etape e) : passage du courant réfrigérant gazeux issu de l'étape c) dans l'échangeur de chaleur à partir d'une entrée et jusqu'à une sortie à une température T3 dont le niveau est le plus bas des niveaux de température dudit échangeur de chaleur.A method of liquefying a stream of hydrocarbons from a feed stream comprising at least the following steps: Step a): passage of the feed gas against a mixed refrigerant stream through a heat exchanger to provide a at least partially liquefied hydrocarbon stream having a temperature below - 140 ° C; Step b): extraction of a mixed refrigerant stream from the heat exchanger from an outlet where the temperature in the heat exchanger is the highest; Step c): introduction of the mixed refrigerant from step b) into a phase separating means in order to produce a gaseous refrigerant stream and a first liquid refrigerant stream; Stage d): passage of the first liquid refrigerant stream from stage c) through the heat exchanger from a first inlet and up to a so-called intermediate outlet beyond which the refrigerant stream thus obtained is expanded , the temperature T1 at said outlet being such that said expansion produces a gas fraction of less than 20%; Stage e): passage of the gaseous refrigerant stream from stage c) through the heat exchanger from an inlet and up to an outlet at a temperature T3, the level of which is the lowest of the temperature levels of said heat exchanger.

FR1560731A 2015-11-10 2015-11-10 METHOD FOR OPTIMIZING NATURAL GAS LIQUEFACTION Active FR3043451B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR1560731A FR3043451B1 (en) 2015-11-10 2015-11-10 METHOD FOR OPTIMIZING NATURAL GAS LIQUEFACTION
EA201891076A EA201891076A1 (en) 2015-11-10 2016-08-03 METHOD FOR OPTIMIZING THE LIQUEFINATION OF NATURAL GAS
CN201680072923.5A CN108369059A (en) 2015-11-10 2016-08-03 Liquefied method for optimizing natural gas
PCT/FR2016/052024 WO2017081374A1 (en) 2015-11-10 2016-08-03 Method for optimising liquefaction of natural gas
US15/778,297 US20180356150A1 (en) 2015-11-10 2016-08-03 Method for optimising liquefaction of natural gas
RU2016138301A RU2669072C2 (en) 2015-11-10 2016-09-27 Method of optimization of natural gas liquefaction process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1560731 2015-11-10
FR1560731A FR3043451B1 (en) 2015-11-10 2015-11-10 METHOD FOR OPTIMIZING NATURAL GAS LIQUEFACTION

Publications (2)

Publication Number Publication Date
FR3043451A1 FR3043451A1 (en) 2017-05-12
FR3043451B1 true FR3043451B1 (en) 2019-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR1560731A Active FR3043451B1 (en) 2015-11-10 2015-11-10 METHOD FOR OPTIMIZING NATURAL GAS LIQUEFACTION

Country Status (6)

Country Link
US (1) US20180356150A1 (en)
CN (1) CN108369059A (en)
EA (1) EA201891076A1 (en)
FR (1) FR3043451B1 (en)
RU (1) RU2669072C2 (en)
WO (1) WO2017081374A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2581135A (en) * 2019-01-30 2020-08-12 Linde Ag Cooling method for liquefying a feed gas
FR3099559B1 (en) 2019-08-01 2021-07-16 Air Liquide Natural gas liquefaction process with improved exchanger configuration
FR3099557B1 (en) 2019-08-01 2021-07-30 Air Liquide Natural gas liquefaction process with improved circulation of a mixed refrigerant stream
FR3099560B1 (en) 2019-08-01 2021-07-02 Air Liquide Natural gas liquefaction process with improved injection of a mixed refrigerant stream
FR3103543B1 (en) 2019-11-21 2021-10-22 Air Liquide Heat exchanger with arrangement of mixing devices improving the distribution of a two-phase mixture
FR3105388B1 (en) 2019-12-19 2022-10-07 Air Liquide Mixing device promoting homogeneous distribution of a two-phase mixture and heat exchanger comprising such a device

Family Cites Families (16)

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FR2280042A1 (en) * 1974-05-31 1976-02-20 Teal Technip Liquefaction Gaz Cooling of a gas mixt - by countercurrent contact with a recycled mixture, useful for cooling natural gas
US4970867A (en) * 1989-08-21 1990-11-20 Air Products And Chemicals, Inc. Liquefaction of natural gas using process-loaded expanders
FR2751059B1 (en) * 1996-07-12 1998-09-25 Gaz De France IMPROVED COOLING PROCESS AND INSTALLATION, PARTICULARLY FOR LIQUEFACTION OF NATURAL GAS
DE19722490C1 (en) * 1997-05-28 1998-07-02 Linde Ag Single flow liquefaction of hydrocarbon-rich stream especially natural gas with reduced energy consumption
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FR2993643B1 (en) * 2012-07-17 2014-08-22 Saipem Sa NATURAL GAS LIQUEFACTION PROCESS WITH PHASE CHANGE
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CN204630250U (en) * 2015-05-22 2015-09-09 中国石油集团工程设计有限责任公司 A kind of mini gas liquefying refrigerating system

Also Published As

Publication number Publication date
RU2669072C2 (en) 2018-10-08
CN108369059A (en) 2018-08-03
RU2016138301A (en) 2018-03-30
WO2017081374A1 (en) 2017-05-18
RU2016138301A3 (en) 2018-08-06
FR3043451A1 (en) 2017-05-12
EA201891076A1 (en) 2018-10-31
US20180356150A1 (en) 2018-12-13

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