RU2010138604A - Способ и устройство для охлаждения и разделения углеводородного потока - Google Patents

Способ и устройство для охлаждения и разделения углеводородного потока Download PDF

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RU2010138604A
RU2010138604A RU2010138604/06A RU2010138604A RU2010138604A RU 2010138604 A RU2010138604 A RU 2010138604A RU 2010138604/06 A RU2010138604/06 A RU 2010138604/06A RU 2010138604 A RU2010138604 A RU 2010138604A RU 2010138604 A RU2010138604 A RU 2010138604A
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stream
fraction
liquefied
refrigerant
hydrocarbon stream
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RU2010138604/06A
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English (en)
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RU2488759C2 (ru
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Марко Дик ЯГЕР (NL)
Марко Дик Ягер
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Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL)
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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    • 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
    • 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
    • F25J1/0032—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
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    • 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
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    • 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
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    • 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
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    • 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
    • F25J1/0216—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 using 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
    • 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
    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0235—Heat exchange integration
    • F25J1/0237—Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas
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    • 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
    • F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
    • F25J1/0235—Heat exchange integration
    • F25J1/0237—Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas
    • F25J1/0239—Purification or treatment step being integrated between two refrigeration cycles of a refrigeration cascade, i.e. first cycle providing feed gas cooling and second cycle providing overhead gas cooling
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    • 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
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    • 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
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    • F25J1/0262—Details of the cold heat exchange system
    • F25J1/0264—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams
    • F25J1/0265—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams comprising cores associated exclusively with the cooling of a refrigerant stream, e.g. for auto-refrigeration or economizer
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    • 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
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    • 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
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    • 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
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    • F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
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    • F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
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    • 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
    • F25J2270/02—Internal 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
    • F25J2270/12—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
    • F25J2270/60—Closed external refrigeration cycle with single component refrigerant [SCR], e.g. C1-, C2- or C3-hydrocarbons

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  • Oil, Petroleum & Natural Gas (AREA)
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  • General Chemical & Material Sciences (AREA)
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Abstract

1. Способ охлаждения и разделения углеводородного потока, например природного газа, содержащий, по меньшей мере, следующие этапы: ! (a) обеспечение углеводородным потоком; ! (b) охлаждение углеводородного потока для получения частично сжиженного углеводородного потока, при этом, по меньшей мере, часть охлаждения обеспечивают посредством частичного или полного испарения охлажденного потока хладагента; ! (c) поступление, по меньшей мере, части частично сжиженного углеводородного потока в дистилляционную колонну через первое входное отверстие; ! (d) обеспечение нижним сырьевым потоком; ! (e) обеспечение контуром хладагента, содержащим, по меньшей мере, один поток сжатого, полностью сжиженного хладагента; ! (f) нагрев нижнего сырьевого потока противоточным потоком сжатого, полностью сжиженного хладагента для получения нагретого нижнего сырьевого потока и охлажденного потока хладагента; ! (g) подачу нагретого нижнего сырьевого потока в дистилляционную колонну через второе входное отверстие, расположенное ниже первого входного отверстия; и ! (h) разделение частично сжиженного углеводородного потока в дистилляционной колонне для получения, по меньшей мере, первого верхнего газообразного потока и первого донного жидкого потока. ! 2. Способ по п.1, в котором, по меньшей мере, одна фракция первого донного жидкого потока обеспечивает, по меньшей мере, одну фракцию нижнего сырьевого потока. ! 3. Способ по п.1, в котором одна фракция углеводородного потока обеспечивает, по меньшей мере, одну фракцию нижнего сырьевого потока. ! 4. Способ по п.3, в котором углеводородный поток делят, по меньшей мере, на первый и второй частичные пото

Claims (17)

1. Способ охлаждения и разделения углеводородного потока, например природного газа, содержащий, по меньшей мере, следующие этапы:
(a) обеспечение углеводородным потоком;
(b) охлаждение углеводородного потока для получения частично сжиженного углеводородного потока, при этом, по меньшей мере, часть охлаждения обеспечивают посредством частичного или полного испарения охлажденного потока хладагента;
(c) поступление, по меньшей мере, части частично сжиженного углеводородного потока в дистилляционную колонну через первое входное отверстие;
(d) обеспечение нижним сырьевым потоком;
(e) обеспечение контуром хладагента, содержащим, по меньшей мере, один поток сжатого, полностью сжиженного хладагента;
(f) нагрев нижнего сырьевого потока противоточным потоком сжатого, полностью сжиженного хладагента для получения нагретого нижнего сырьевого потока и охлажденного потока хладагента;
(g) подачу нагретого нижнего сырьевого потока в дистилляционную колонну через второе входное отверстие, расположенное ниже первого входного отверстия; и
(h) разделение частично сжиженного углеводородного потока в дистилляционной колонне для получения, по меньшей мере, первого верхнего газообразного потока и первого донного жидкого потока.
2. Способ по п.1, в котором, по меньшей мере, одна фракция первого донного жидкого потока обеспечивает, по меньшей мере, одну фракцию нижнего сырьевого потока.
3. Способ по п.1, в котором одна фракция углеводородного потока обеспечивает, по меньшей мере, одну фракцию нижнего сырьевого потока.
4. Способ по п.3, в котором углеводородный поток делят, по меньшей мере, на первый и второй частичные потоки, при этом первый частичный поток охлаждают, чтобы получить частично сжиженный углеводородный поток, и второй частичный поток обеспечивает, по меньшей мере, одну фракцию нижнего сырьевого потока.
5. Способ по п.1, в котором одна фракция частично сжиженного углеводородного потока обеспечивает, по меньшей мере, одну фракцию нижнего сырьевого потока.
6. Способ по п.5, в котором частично сжиженный углеводородный поток подают в первый сепаратор газ/жидкость для получения верхнего сырьевого газообразного потока и для получения донного сырьевого жидкого потока, при этом, по меньшей мере, одну фракцию верхнего сырьевого газообразного потока подают к первому входному отверстию дистилляционной колонны, и, по меньшей мере, одна фракция донного сырьевого жидкого потока обеспечивает, по меньшей мере, одну фракцию нижнего сырьевого потока.
7. Способ по п.1, в котором, по меньшей мере, одну фракцию первого верхнего газообразного потока, по меньшей мере, частично конденсируют и подают в конечный сепаратор газ/жидкость, чтобы обеспечить, по меньшей мере, конечный донный поток, причем, по меньшей мере, одна фракция конечного донного потока является нижним сырьевым потоком.
8. Способ по п.1, в котором поток сжатого, полностью сжиженного хладагента является пропаном.
9. Способ по одному из предшествующих пунктов, в котором, по меньшей мере, часть охлаждения на этапе (b) обеспечивают контуром хладагента.
10. Способ по одному из пп.1-8, в котором контур хладагента содержит один или несколько компрессоров хладагента, причем поток сжатого, полностью сжиженного хладагента обеспечивают из контура хладагента, расположенного ниже по потоку от компрессора (компрессоров) хладагента.
11. Способ по одному из пп.1-8, в котором контур хладагента содержит один или несколько накопителей хладагента, причем поток сжатого, полностью сжиженного хладагента обеспечивают из накопителя хладагента.
12. Способ по одному из пп.1-8, в котором, по меньшей мере, одну фракцию первого верхнего газообразного потока впоследствии сжижают, чтобы обеспечить сжиженный углеводородный поток, например сжиженный природный газ.
13. Способ по п.9, в котором, по меньшей мере, одну фракцию первого верхнего газообразного потока впоследствии сжижают, чтобы обеспечить сжиженный углеводородный поток, например сжиженный природный газ.
14. Способ по п.10, в котором, по меньшей мере, одну фракцию первого верхнего газообразного потока впоследствии сжижают, чтобы обеспечить сжиженный углеводородный поток, например сжиженный природный газ.
15. Способ по п.11, в котором, по меньшей мере, одну фракцию первого верхнего газообразного потока впоследствии сжижают, чтобы обеспечить сжиженный углеводородный поток, например сжиженный природный газ.
16. Устройство для охлаждения и разделения углеводородного потока, например природного газа, содержащее, по меньшей мере:
первую ступень охлаждения для охлаждения углеводородного потока и получения частично сжиженного углеводородного потока;
дистилляционную колонну для получения и отделения, по меньшей мере, одной фракции от частично сжиженного углеводородного потока, поступающего через первое входное отверстие;
контур хладагента, содержащий, по меньшей мере, один поток сжатого, полностью сжиженного хладагента;
первый теплообменник для нагрева нижнего сырьевого потока противоточным потоком сжатого, полностью сжиженного хладагента для получения охлажденного потока хладагента и нагретого нижнего сырьевого потока, который должен поступать в дистилляционную колонну через второе входное отверстие, расположенное ниже первого входного отверстия; и
систему теплообмена в первой ступени охлаждения, которая размещена в контуре хладагента ниже по ходу потока от первого теплообменника, для охлаждения углеводородного потока противоточным потоком, по меньшей мере, фракцию потока охлажденного хладагента, таким образом частично или полностью испаряя, по меньшей мере, упомянутую фракцию потока охлажденного хладагента.
17. Установка сжижения, содержащая устройство по п.16.
RU2010138604/06A 2008-02-20 2009-02-18 Способ и устройство для охлаждения и разделения углеводородного потока RU2488759C2 (ru)

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