RU2016133443A - LOCAL GAS LIQUIDATION METHOD USING A CLOSED CIRCUIT CIRCUIT - Google Patents

LOCAL GAS LIQUIDATION METHOD USING A CLOSED CIRCUIT CIRCUIT Download PDF

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Publication number
RU2016133443A
RU2016133443A RU2016133443A RU2016133443A RU2016133443A RU 2016133443 A RU2016133443 A RU 2016133443A RU 2016133443 A RU2016133443 A RU 2016133443A RU 2016133443 A RU2016133443 A RU 2016133443A RU 2016133443 A RU2016133443 A RU 2016133443A
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RU
Russia
Prior art keywords
refrigerant
stream
stage
heat exchanger
temperature
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RU2016133443A
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Russian (ru)
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RU2016133443A3 (en
RU2684060C2 (en
Inventor
Николя ШАМБРОН
Original Assignee
Л'Эр Ликид, Сосьете Аноним Пур Л'Этюд Э Л'Эксплуатасьон Де Проседе Жорж Клод
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Publication of RU2016133443A publication Critical patent/RU2016133443A/en
Publication of RU2016133443A3 publication Critical patent/RU2016133443A3/ru
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Publication of RU2684060C2 publication Critical patent/RU2684060C2/en

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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
    • F25J1/02—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

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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)

Claims (12)

1. Способ сжижения потока углеводородов, таких как природный газ, из сырьевого потока (1), содержащий, по меньшей мере, следующие стадии:1. A method of liquefying a stream of hydrocarbons, such as natural gas, from a feed stream (1), comprising at least the following steps: стадия а) пропускание сырьевого газа (1) через поток смеси хладагента через теплообменник (2) таким образом, чтобы обеспечить получение, по меньшей мере, частично сжиженного углеводородного потока, имеющего температуру ниже -140°C;stage a) passing the feed gas (1) through the flow of the refrigerant mixture through the heat exchanger (2) in such a way as to obtain at least partially liquefied hydrocarbon stream having a temperature below -140 ° C; стадия b) извлечение потока смеси хладагента (35) из теплообменника (2) через выпуск (33), где температура в теплообменнике является самой высокой;stage b) extracting the flow of the refrigerant mixture (35) from the heat exchanger (2) through the outlet (33), where the temperature in the heat exchanger is the highest; стадия с) сжатие смеси хладагента, полученной на стадии b) с последующим охлаждением;step c) compressing the refrigerant mixture obtained in step b), followed by cooling; стадия d) введение смеси хладагента (35), полученного на стадии с), в фазоразделитель (40) для получения газового потока хладагента (8), и x потоков жидкого хладагента (25), причем х представляет собой целое число от 1 до 10;step d) introducing a mixture of refrigerant (35) obtained in step c) into a phase separator (40) to obtain a gas refrigerant stream (8) and x liquid refrigerant streams (25), wherein x is an integer from 1 to 10; стадия е) пропускание каждого из x потоков жидкого хладагента (25), полученных на стадии d), через теплообменник (2) через разные впуски для каждого потока жидкости, причем каждый из указанных жидких потоков, отводится через различный «промежуточный» выпуск (28, 19) теплообменника (2), отличающийся от других уровнем температуры, причем уровень температуры является самым горячим Т1 на выпуске жидкого потока, содержащего самые тяжелые компоненты потока хладагента, а уровень температуры является самым холодным Т2 на выпуске жидкого потока, содержащего самые легкие компоненты потока хладагента;stage e) passing each of the x liquid refrigerant streams (25) obtained in stage d) through a heat exchanger (2) through different inlets for each liquid stream, each of these liquid streams being discharged through a different “intermediate” outlet (28, 19) a heat exchanger (2), which differs from other temperature levels, the temperature level being the hottest T1 at the outlet of the liquid stream containing the heaviest components of the refrigerant stream, and the temperature level is the coldest T2 at the outlet of the liquid stream containing go the lightest refrigerant flow components; стадия f) пропускание потока охлаждающего газа (8), полученного на стадии d), через теплообменник (2) от впуска (9) и до выпуска (11) при температуре Т3, уровень которой является наименьшим из уровней температуры упомянутого теплообменника (2), для того, чтобы получить сжиженный поток (12), а затем расширение потока, полученного таким образом.stage f) passing the flow of cooling gas (8) obtained in stage d) through the heat exchanger (2) from the inlet (9) and to the outlet (11) at a temperature T3, the level of which is the lowest of the temperature levels of the mentioned heat exchanger (2), in order to obtain a liquefied stream (12), and then the expansion of the stream thus obtained. 2. Способ, согласно предшествующим пунктам, включающий стадию g) пропускание потока (14), полученного на стадии f) через теплообменник (2) через впуск (15) при температуре Т3 вплоть до выпуска (34) при температуре примерно равной температуре Т2.2. The method according to the preceding paragraphs, comprising stage g) passing the stream (14) obtained in stage f) through the heat exchanger (2) through the inlet (15) at a temperature T3 up to the outlet (34) at a temperature approximately equal to T2. 3. Способ по любому из предшествующих пунктов, отличающийся тем, что поток смеси хладагента циркулирует в холодильном контуре замкнутого цикла (7).3. The method according to any one of the preceding paragraphs, characterized in that the flow of the refrigerant mixture is circulated in the refrigeration loop circuit (7). 4. Способ по любому из предшествующих пунктов, отличающийся тем, что Т3 составляет от -140 до - 170°С.4. The method according to any one of the preceding paragraphs, characterized in that T3 is from -140 to -170 ° C. 5. Способ по любому из предшествующих пунктов, отличающийся тем, что поток смеси хладагента (35) содержит составляющие из азота, метана, этилена, этана, бутана и пентана.5. The method according to any one of the preceding paragraphs, characterized in that the flow of the mixture of refrigerant (35) contains components of nitrogen, methane, ethylene, ethane, butane and pentane. 6. Способ по любому из предшествующих пунктов, отличающийся тем, что насос не используется.6. The method according to any one of the preceding paragraphs, characterized in that the pump is not used.
RU2016133443A 2015-11-10 2016-08-15 Method of liquefying natural gas using refrigerating circuit with closed cycle RU2684060C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1560732A FR3043452B1 (en) 2015-11-10 2015-11-10 METHOD FOR LIQUEFACTING NATURAL GAS USING A CLOSED CYCLE REFRIGERATION CIRCUIT
FR1560732 2015-11-10

Publications (3)

Publication Number Publication Date
RU2016133443A true RU2016133443A (en) 2018-02-16
RU2016133443A3 RU2016133443A3 (en) 2018-10-22
RU2684060C2 RU2684060C2 (en) 2019-04-03

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RU2016133443A RU2684060C2 (en) 2015-11-10 2016-08-15 Method of liquefying natural gas using refrigerating circuit with closed cycle

Country Status (3)

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FR (1) FR3043452B1 (en)
RU (1) RU2684060C2 (en)
WO (1) WO2017081375A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110779275B (en) * 2019-10-10 2021-04-16 陕西延长石油天然气有限责任公司 Method for improving energy efficiency of natural gas liquefaction device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
GB9712304D0 (en) * 1997-06-12 1997-08-13 Costain Oil Gas & Process Limi Refrigeration cycle using a mixed refrigerant
JP2010516994A (en) * 2007-01-25 2010-05-20 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ Method and apparatus for cooling hydrocarbon streams
KR102312640B1 (en) * 2013-03-15 2021-10-13 차트 에너지 앤드 케미칼즈 인코포레이티드 Mixed refrigerant system and method

Also Published As

Publication number Publication date
FR3043452A1 (en) 2017-05-12
RU2016133443A3 (en) 2018-10-22
RU2684060C2 (en) 2019-04-03
FR3043452B1 (en) 2019-12-20
WO2017081375A1 (en) 2017-05-18

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