[go: up one dir, main page]

RU2017110054A - DOUBLE SYSTEM WITH MIXED REFRIGERANT - Google Patents

DOUBLE SYSTEM WITH MIXED REFRIGERANT Download PDF

Info

Publication number
RU2017110054A
RU2017110054A RU2017110054A RU2017110054A RU2017110054A RU 2017110054 A RU2017110054 A RU 2017110054A RU 2017110054 A RU2017110054 A RU 2017110054A RU 2017110054 A RU2017110054 A RU 2017110054A RU 2017110054 A RU2017110054 A RU 2017110054A
Authority
RU
Russia
Prior art keywords
mixed refrigerant
cooling
mixed
feed stream
fully condensed
Prior art date
Application number
RU2017110054A
Other languages
Russian (ru)
Inventor
Дженнифер Лорен СЕТТЕР
Тайсон Дуглас МИЛЛЕР
Дэвид Дуглас МИЛЛЕР
Original Assignee
Блэк Энд Витч Холдинг Компани
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 Блэк Энд Витч Холдинг Компани filed Critical Блэк Энд Витч Холдинг Компани
Publication of RU2017110054A publication Critical patent/RU2017110054A/en

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
    • F25J1/0002—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"
    • F25J1/0035—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 gas expansion 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
    • F25J1/003—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"
    • F25J1/0042—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 liquid expansion 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
    • F25J1/003—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
    • F25J1/003—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
    • F25J1/0214—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
    • F25J1/0228—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
    • F25J1/0238—Purification or treatment step is integrated within one refrigeration cycle only, i.e. the same or single refrigeration cycle provides feed gas cooling (if present) and overhead gas cooling
    • 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.
    • F25J1/0285—Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings
    • F25J1/0288—Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders
    • 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
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/08—Cold compressor, i.e. suction of the gas at cryogenic temperature and generally without afterstage-cooler
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/20—Integrated compressor and process expander; Gear box arrangement; Multiple compressors on a common shaft
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/30—Compression of the feed stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Claims (35)

1. Способ сжижения углеводородсодержащего газа, способ включает:1. A method of liquefying a hydrocarbon-containing gas, the method includes: (a) введение полностью конденсированного первого смешанного хладагента, сжатого второго смешанного хладагента и подаваемого потока, содержащего углеводородсодержащий газ, в первую систему охлаждения;(a) introducing a fully condensed first mixed refrigerant, a compressed second mixed refrigerant, and a hydrocarbon-containing gas containing feed stream into the first cooling system; (b) расширение, по меньшей мере, части полностью конденсированного первого смешанного хладагента с образованием расширенного первого смешанного хладагента, причем полностью конденсированный первый смешанный хладагент не подвергается воздействию разделения фаз до или после стадии расширения;(b) expanding at least a portion of the fully condensed first mixed refrigerant to form an expanded first mixed refrigerant, wherein the fully condensed first mixed refrigerant is not subjected to phase separation before or after the expansion step; (c) охлаждение, по меньшей мере, части подаваемого потока и сжатого второго смешанного хладагента в первой системе охлаждения посредством косвенного теплообмена с расширенным первым смешанным хладагентом с образованием первого охлажденного подаваемого потока и полностью конденсированного второго смешанного хладагента;(c) cooling at least a portion of the feed stream and the compressed second mixed refrigerant in the first cooling system by indirect heat exchange with the expanded first mixed refrigerant to form a first cooled feed stream and a fully condensed second mixed refrigerant; (d) расширение, по меньшей мере, части полностью конденсированного второго смешанного хладагента с образованием расширенного второго смешанного хладагента; и(d) expanding at least a portion of the fully condensed second mixed refrigerant to form an expanded second mixed refrigerant; and (e) охлаждение, по меньшей мере, части первого охлажденного подаваемого потока во второй системе охлаждения посредством косвенного теплообмена с расширенным вторым смешанным хладагентом с образованием второго охлажденного подаваемого потока, при этом вторая система охлаждения содержит единственную зону охлаждения.(e) cooling at least a portion of the first chilled feed stream in a second cooling system by indirect heat exchange with an expanded second mixed refrigerant to form a second chilled feed stream, wherein the second cooling system comprises a single cooling zone. 2. Способ по п.1, дополнительно включающий переохлаждение, по меньшей мере, части полностью конденсированного первого смешанного хладагента на стадии (c) с образованием переохлажденного первого смешанного хладагента, при этом полностью конденсированный первый смешанный хладагент на стадии (b) содержит переохлажденный первый смешанный хладагент.2. The method according to claim 1, further comprising supercooling at least a portion of the fully condensed first mixed refrigerant in step (c) to form a supercooled first mixed refrigerant, wherein the completely condensed first mixed refrigerant in step (b) contains a supercooled first mixed refrigerant. 3. Способ по п.1, дополнительно включающий переохлаждение, по меньшей мере, части полностью конденсированного второго смешанного хладагента на стадии (e) с образованием переохлажденного второго смешанного хладагента, причем полностью конденсированный второй смешанный хладагент на стадии (d) содержит переохлажденный второй смешанный хладагент.3. The method according to claim 1, further comprising supercooling at least a portion of the fully condensed second mixed refrigerant in step (e) to form a supercooled second mixed refrigerant, the completely condensed second mixed refrigerant in step (d) containing supercooled second mixed refrigerant . 4. Способ по п.1, в котором полностью конденсированный второй смешанный хладагент не подвергается воздействию разделения фаз до или после расширения на стадии (d).4. The method according to claim 1, in which the fully condensed second mixed refrigerant is not subjected to phase separation before or after expansion in step (d). 5. Способ по п.1, в котором первая система охлаждения содержит множество зон охлаждения.5. The method according to claim 1, wherein the first cooling system comprises a plurality of cooling zones. 6. Способ по п.1, в котором первый смешанный хладагент содержит, по меньшей мере, два соединения, выбранных из группы, состоящей из углеводородов, содержащих от 2 до 4 атомов углерода.6. The method according to claim 1, in which the first mixed refrigerant contains at least two compounds selected from the group consisting of hydrocarbons containing from 2 to 4 carbon atoms. 7. Способ по п.1, в котором второй смешанный хладагент содержит, по меньшей мере, два соединения, выбранных из группы, состоящей из азота и углеводородов, содержащих от 1 до 3 атомов углерода.7. The method according to claim 1, in which the second mixed refrigerant contains at least two compounds selected from the group consisting of nitrogen and hydrocarbons containing from 1 to 3 carbon atoms. 8. Способ по п.1, в котором второй смешанный хладагент имеет температуру начала кипения, которая ниже, чем температура начала кипения первого смешанного хладагента при заданном давлении.8. The method according to claim 1, in which the second mixed refrigerant has a boiling point that is lower than the boiling point of the first mixed refrigerant at a given pressure. 9. Способ сжижения углеводородсодержащего газа, включающий:9. A method of liquefying a hydrocarbon-containing gas, comprising: (a) введение полностью конденсированного первого смешанного хладагента, сжатого второго смешанного хладагента и подаваемого потока, содержащего углеводородсодержащий газ, в первую систему охлаждения;(a) introducing a fully condensed first mixed refrigerant, a compressed second mixed refrigerant, and a hydrocarbon-containing gas containing feed stream into the first cooling system; (b) расширение, по меньшей мере, части полностью конденсированного первого смешанного хладагента с образованием расширенного первого смешанного хладагента;(b) expanding at least a portion of the fully condensed first mixed refrigerant to form an expanded first mixed refrigerant; (c) охлаждение, по меньшей мере, части подаваемого потока и сжатого второго смешанного хладагента в первой системе охлаждения посредством косвенного теплообмена с расширенным первым смешанным хладагентом с образованием первого охлажденного подаваемого потока и полностью конденсированного второго смешанного хладагента;(c) cooling at least a portion of the feed stream and the compressed second mixed refrigerant in the first cooling system by indirect heat exchange with the expanded first mixed refrigerant to form a first cooled feed stream and a fully condensed second mixed refrigerant; (d) расширение, по меньшей мере, части полностью конденсированного второго смешанного хладагента с образованием расширенного второго смешанного хладагента;(d) expanding at least a portion of the fully condensed second mixed refrigerant to form an expanded second mixed refrigerant; (e) охлаждение, по меньшей мере, части первого охлажденного подаваемого потока во второй системе охлаждения посредством косвенного теплообмена с расширенным вторым смешанным хладагентом с образованием второго охлажденного подаваемого потока, причем первая система охлаждения и вторая система охлаждения содержатся в одном и том же теплообменнике; и(e) cooling at least a portion of the first cooled feed stream in the second cooling system by indirect heat exchange with the expanded second mixed refrigerant to form a second cooled feed stream, the first cooling system and the second cooling system being contained in the same heat exchanger; and (f) расширение, по меньшей мере, части второго охлажденного подаваемого потока с образованием потока LNG.(f) expanding at least a portion of the second cooled feed stream to form an LNG stream. 10. Способ по п.9, дополнительно включающий переохлаждение, по меньшей мере, части полностью конденсированного первого смешанного хладагента на стадии (c) с образованием переохлажденного первого смешанного хладагента, при этом полностью конденсированный первый смешанный хладагент на стадии (b) содержит переохлажденный первый смешанный хладагент.10. The method according to claim 9, further comprising supercooling at least a portion of the fully condensed first mixed refrigerant in step (c) to form a supercooled first mixed refrigerant, wherein the fully condensed first mixed refrigerant in step (b) contains a supercooled first mixed refrigerant. 11. Способ по п.9, дополнительно включающий переохлаждение, по меньшей мере, части полностью конденсированного второго смешанного хладагента на стадии (e) с образованием переохлажденного второго смешанного хладагента, причем полностью конденсированный второй смешанный хладагент на стадии (d) содержит переохлажденный второй смешанный хладагент.11. The method according to claim 9, further comprising supercooling at least a portion of the fully condensed second mixed refrigerant in step (e) to form a supercooled second mixed refrigerant, the completely condensed second mixed refrigerant in step (d) containing supercooled second mixed refrigerant . 12. Способ по п.9, в котором полностью конденсированный первый смешанный хладагент не подвергается воздействию разделения фаз до или после расширения на стадии (b).12. The method according to claim 9, in which the fully condensed first mixed refrigerant is not exposed to phase separation before or after expansion in step (b). 13. Способ по п.9, в котором полностью конденсированный второй смешанный хладагент не подвергается воздействию разделения фаз до или после расширения на стадии (d).13. The method according to claim 9, in which the fully condensed second mixed refrigerant is not exposed to phase separation before or after expansion in step (d). 14. Способ по п.9, в котором первый смешанный хладагент содержит, по меньшей мере, два соединения, выбранных из группы, состоящей из углеводородов, содержащих от 2 до 4 атомов углерода.14. The method according to claim 9, in which the first mixed refrigerant contains at least two compounds selected from the group consisting of hydrocarbons containing from 2 to 4 carbon atoms. 15. Способ по п.9, в котором второй смешанный хладагент содержит, по меньшей мере, два соединения, выбранных из группы, состоящей из азота и углеводородов, содержащих от 1 до 3 атомов углерода.15. The method according to claim 9, in which the second mixed refrigerant contains at least two compounds selected from the group consisting of nitrogen and hydrocarbons containing from 1 to 3 carbon atoms. 16. Способ по п.9, в котором второй смешанный хладагент имеет температуру начала кипения, которая ниже, чем температура начала кипения первого смешанного хладагента при заданном давлении.16. The method according to claim 9, in which the second mixed refrigerant has a boiling point that is lower than the boiling point of the first mixed refrigerant at a given pressure. 17. Система для сжижения углеводородсодержащего газа, система содержит:17. A system for liquefying a hydrocarbon-containing gas, the system comprises: (a) первую систему охлаждения, содержащую множество зон охлаждения, расположенных в ней, причем каждая из зон охлаждения выполнена с возможностью охлаждения второго смешанного хладагента и подаваемого потока, содержащего углеводородсодержащий газ, посредством косвенного теплообмена с первым смешанным хладагентом с формированием первого охлажденного подаваемого потока и полностью конденсированного второго смешанного хладагента;(a) a first cooling system comprising a plurality of cooling zones located therein, each of the cooling zones being configured to cool a second mixed refrigerant and a feed stream containing a hydrocarbon-containing gas by indirect heat exchange with the first mixed refrigerant to form a first cooled feed stream and a fully condensed second mixed refrigerant; (b) первый замкнутый смешанный контур охлаждения, по меньшей мере, частично расположенный в первой системе охлаждения, причем первый замкнутый смешанный контур охлаждения содержит первый смешанный хладагент, причем первый замкнутый смешанный контур охлаждения не содержит сепаратора фаз;(b) a first closed mixed cooling circuit at least partially located in the first cooling system, wherein the first closed mixed cooling circuit contains a first mixed refrigerant, wherein the first closed mixed cooling circuit does not contain a phase separator; (c) вторую систему охлаждения в сообщении по текучей среде с первой системой охлаждения, при этом вторая система охлаждения содержит единственную зону охлаждения, расположенную в ней, причем зона охлаждения выполнена с возможностью охлаждения первого охлажденного подаваемого потока посредством косвенного теплообмена со вторым смешанным хладагентом с образованием второго охлажденного подаваемого потока; и(c) a second cooling system in fluid communication with the first cooling system, wherein the second cooling system comprises a single cooling zone located therein, the cooling zone being configured to cool the first cooled feed stream through indirect heat exchange with the second mixed refrigerant to form a second cooled feed stream; and (d) второй замкнутый смешанный контур охлаждения, по меньшей мере, частично расположенный во второй системе охлаждения, причем второй замкнутый смешанный контур охлаждения содержит второй смешанный хладагент, причем второй замкнутый смешанный контур охлаждения не содержит сепаратора фаз.(d) a second closed mixed cooling circuit at least partially located in the second cooling system, wherein the second closed mixed cooling circuit contains a second mixed refrigerant, wherein the second closed mixed cooling circuit does not contain a phase separator. 18. Система по п.17, в которой множество зон охлаждения в первой системе охлаждения выполнены с возможностью переохлаждения первого смешанного хладагента.18. The system of claim 17, wherein the plurality of cooling zones in the first cooling system are configured to supercool the first mixed refrigerant. 19. Система по п.17, в которой единственная зона охлаждения во второй системе охлаждения выполнена с возможностью переохлаждения второго смешанного хладагента.19. The system according to 17, in which the only cooling zone in the second cooling system is configured to supercool the second mixed refrigerant. 20. Система по п.17, в которой первый замкнутый смешанный контур охлаждения содержит, по меньшей мере, одно расширяющее устройство, выполненное с возможностью расширения первого смешанного хладагента, и второй замкнутый контур охлаждения содержит, по меньшей мере, одно расширяющее устройство, выполненное с возможностью расширения второго смешанного хладагента.20. The system according to 17, in which the first closed mixed cooling circuit contains at least one expansion device configured to expand the first mixed refrigerant, and the second closed cooling circuit contains at least one expansion device made with expandable second mixed refrigerant.
RU2017110054A 2014-08-29 2015-08-03 DOUBLE SYSTEM WITH MIXED REFRIGERANT RU2017110054A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/473,343 2014-08-29
US14/473,343 US20160061516A1 (en) 2014-08-29 2014-08-29 Dual mixed refrigerant system
PCT/US2015/043444 WO2016032697A1 (en) 2014-08-29 2015-08-03 Dual mixed refrigerant system

Publications (1)

Publication Number Publication Date
RU2017110054A true RU2017110054A (en) 2018-10-04

Family

ID=55400311

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2017110054A RU2017110054A (en) 2014-08-29 2015-08-03 DOUBLE SYSTEM WITH MIXED REFRIGERANT

Country Status (12)

Country Link
US (1) US20160061516A1 (en)
CN (1) CN107110598A (en)
AP (1) AP2017009783A0 (en)
AR (1) AR101556A1 (en)
AU (1) AU2015307114A1 (en)
BR (1) BR112017003525A2 (en)
CA (1) CA2959122A1 (en)
CO (1) CO2017002298A2 (en)
MX (1) MX2017002485A (en)
RU (1) RU2017110054A (en)
SK (1) SK252017A3 (en)
WO (1) WO2016032697A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3039080B1 (en) * 2015-07-23 2019-05-17 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude METHOD OF PURIFYING HYDROCARBON-RICH GAS
US10393431B2 (en) * 2016-08-05 2019-08-27 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for the integration of liquefied natural gas and syngas production
US10663220B2 (en) 2016-10-07 2020-05-26 Air Products And Chemicals, Inc. Multiple pressure mixed refrigerant cooling process and system
EP3309488A1 (en) * 2016-10-13 2018-04-18 Shell International Research Maatschappij B.V. System for treating and cooling a hydrocarbon stream
US10753676B2 (en) 2017-09-28 2020-08-25 Air Products And Chemicals, Inc. Multiple pressure mixed refrigerant cooling process
US10852059B2 (en) 2017-09-28 2020-12-01 Air Products And Chemicals, Inc. Multiple pressure mixed refrigerant cooling system
CN110953841A (en) * 2019-12-17 2020-04-03 西安石油大学 A kind of natural gas liquefaction method and device based on three-cycle mixed refrigerant
FR3119667B1 (en) * 2021-02-10 2023-03-24 Air Liquide Device and method for liquefying a fluid such as hydrogen and/or helium

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033735A (en) * 1971-01-14 1977-07-05 J. F. Pritchard And Company Single mixed refrigerant, closed loop process for liquefying natural gas
JPH06159928A (en) * 1992-11-20 1994-06-07 Chiyoda Corp Natural gas liquefaction method
FR2778232B1 (en) * 1998-04-29 2000-06-02 Inst Francais Du Petrole METHOD AND DEVICE FOR LIQUEFACTION OF A NATURAL GAS WITHOUT SEPARATION OF PHASES ON THE REFRIGERANT MIXTURES
FR2829569B1 (en) * 2001-09-13 2006-06-23 Technip Cie METHOD FOR LIQUEFACTING NATURAL GAS, USING TWO REFRIGERATION CYCLES
US20090145167A1 (en) * 2007-12-06 2009-06-11 Battelle Energy Alliance, Llc Methods, apparatuses and systems for processing fluid streams having multiple constituents
FR2957407B1 (en) * 2010-03-15 2012-08-17 Inst Francais Du Petrole METHOD FOR LIQUEFACTING A NATURAL GAS WITH REFRIGERANT MIXTURES CONTAINING AT LEAST ONE UNSATURATED HYDROCARBON
CN102455112A (en) * 2010-10-18 2012-05-16 袁俊海 Natural gas liquefaction process by propane precooling mixed refrigerant
KR101325586B1 (en) * 2011-12-09 2013-11-06 고등기술연구원연구조합 Natural gas liquefaction system
CN103398545B (en) * 2013-07-29 2015-06-10 中国科学院理化技术研究所 System for producing liquefied natural gas by multistage compression and throttling of feed gas
CN103694961A (en) * 2013-11-12 2014-04-02 北京市燃气集团有限责任公司 Multi-component mixing refrigerant for nature gas liquefaction system with pre-cooling temperature of -40 to -60 DEG C

Also Published As

Publication number Publication date
CN107110598A (en) 2017-08-29
AU2015307114A1 (en) 2017-03-23
MX2017002485A (en) 2017-05-23
SK252017A3 (en) 2017-08-02
CA2959122A1 (en) 2016-03-03
WO2016032697A1 (en) 2016-03-03
AP2017009783A0 (en) 2017-02-28
US20160061516A1 (en) 2016-03-03
AR101556A1 (en) 2016-12-28
CO2017002298A2 (en) 2017-06-09
BR112017003525A2 (en) 2017-12-05

Similar Documents

Publication Publication Date Title
RU2017110054A (en) DOUBLE SYSTEM WITH MIXED REFRIGERANT
PH12017502172A1 (en) Boil-off gas re-liquefying system
CA2908643C (en) Method of liquefying a contaminated hydrocarbon-containing gas stream
PH12018502729A1 (en) Method for liquefying natural gas and for recovering possible liquids from the natural gas, comprising two refrigerant cycles semi-open to the natural gas and a refrigerant cycle closed to the refrigerant gas
RU2009109420A (en) METHOD AND DEVICE FOR LIQUIDING A FLOW OF RAW MATERIALS CONTAINING A HYDROCARBON
MX2022003665A (en) MIXED REFRIGERANT LIQUEFACTION METHOD AND SYSTEM.
RU2015135574A (en) PRODUCTION OF LIQUEFIED NATURAL GAS
RU2017110052A (en) DOUBLE SYSTEM WITH MIXED REFRIGERANT
WO2019118594A3 (en) Process integration for natural gas liquid recovery
AU2019268173A1 (en) Multiple pressure mixed refrigerant cooling process and system
RU2015143167A (en) REMOVAL OF REFRIGERANT IN LIQUIDING NATURAL GAS
RU2013116391A (en) NATURAL GAS LIQUID WITH STRAIN REMOVAL
RU2016138415A (en) PARALLEL COMPRESSION IN DEVICES FOR PRODUCING LIQUEFIED NATURAL GAS (LNG) USING A VOLUME TYPE COMPRESSOR
RU2009106092A (en) METHOD FOR LIQUIDING THE FLOW OF HYDROCARBONS AND A DEVICE FOR ITS IMPLEMENTATION
RU2017110050A (en) DOUBLE SYSTEM WITH MIXED REFRIGERANT
RU2017117415A (en) METHOD AND LIFE SYSTEM
KR101357130B1 (en) Seperator And Refrigerating Apparatus Using The Same
MX2023014287A (en) HYDROGEN LIQUEFACTION SYSTEM AND METHOD.
RU2015133671A (en) METHOD FOR COOLING A FRANCE RICH WITH HYDROCARBONS
RU2017132312A (en) Method for liquefying a hydrocarbon-rich fraction
RU2011139720A (en) METHOD FOR LIQUIDING NATURAL GAS BY CONTINUOUS CHANGE OF COMPOSITION AT A LESS THAN ONE COOLING MIXTURE
MY202300A (en) Natural gas liquefaction by a high pressure expansion process
KR101630518B1 (en) Natural gas liquefaction process
EP3001128B1 (en) Natural gas liquefaction process
CN105418350B (en) A kind of domethanizing column exhaust gas recovery system and method for recovering tail gas

Legal Events

Date Code Title Description
FA93 Acknowledgement of application withdrawn (no request for examination)

Effective date: 20180806