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RU2018103764A - HELIUM PRODUCTION FROM NATURAL GAS FLOW - Google Patents

HELIUM PRODUCTION FROM NATURAL GAS FLOW Download PDF

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RU2018103764A
RU2018103764A RU2018103764A RU2018103764A RU2018103764A RU 2018103764 A RU2018103764 A RU 2018103764A RU 2018103764 A RU2018103764 A RU 2018103764A RU 2018103764 A RU2018103764 A RU 2018103764A RU 2018103764 A RU2018103764 A RU 2018103764A
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helium
column
pressure
volume
distillation column
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RU2018103764A
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RU2717666C2 (en
RU2018103764A3 (en
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Пол ТЕРРЬЕН
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Л'Эр Ликид, Сосьете Аноним Пур Л'Этюд Э Л'Эксплуатасьон Де Проседе Жорж Клод
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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
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—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
    • 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
    • F25J3/0209—Natural gas or substitute 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
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—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
    • F25J3/0228—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
    • 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
    • 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
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—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
    • F25J3/0228—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
    • F25J3/0238—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 2 carbon atoms or more
    • 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
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—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
    • F25J3/0228—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
    • F25J3/0257—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 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
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—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
    • F25J3/0228—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
    • F25J3/028—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 noble gases
    • F25J3/029—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 noble gases of helium
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/04—Processes or apparatus using separation by rectification in a dual pressure main column system
    • F25J2200/06—Processes or apparatus using separation by rectification in a dual pressure main column system in a classical double column flow-sheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • 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
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • 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
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
    • 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
    • F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/60—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being (a 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/34—Details about subcooling of liquids

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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 (23)

1. Способ получения потока (27) газа гелия из исходного потока (1) газа, содержащего по меньшей мере гелий, метан и азот, включающий по меньшей мере следующие этапы: 1. A method of producing a helium gas stream (27) from an initial gas stream (1) containing at least helium, methane and nitrogen, comprising at least the following steps: этап a): введения указанного исходного потока (1) газа в блок (6) удаления азота с колонной двукратной ректификации, причем указанная колонна двукратной ректификации содержит дистилляционную колонну (5) высокого давления, дистилляционную колонну (7) низкого давления и конденсатор (8), соединяющий колонну (5) высокого давления с колонной (7) низкого давления; step a): introducing said initial gas stream (1) into a nitrogen removal unit (6) with a double distillation column, said double distillation column comprising a high pressure distillation column (5), a low pressure distillation column (7) and a condenser (8) connecting the high pressure column (5) to the low pressure column (7); этап b): извлечения на выходе указанного конденсатора (8) по меньшей мере одной части (12) смеси (11), получаемой в верхней части колонны (5) высокого давления; step b): extracting at the outlet of said condenser (8) at least one part (12) of the mixture (11) obtained in the upper part of the high pressure column (5); этап c): расширения указанной смеси, получаемой на этапе b), до промежуточного давления, составляющего от 8 бар до 20 бар абсолютного давления; step c): expanding said mixture obtained in step b) to an intermediate pressure of 8 bar to 20 bar absolute pressure; этап d): разделения смеси (14), получаемой на этапе c), в первом сосуде (15) для разделения фаз на жидкую фазу (16) и обогащенную гелием газовую фазу (17); step d): separating the mixture (14) obtained in step c) in a first vessel (15) for separating the phases into a liquid phase (16) and a helium-rich gas phase (17); этап e): по меньшей мере частичной конденсации указанной обогащенной гелием газовой фазы (17) в теплообменнике (24); step e): at least partially condensing said helium-enriched gas phase (17) in a heat exchanger (24); этап f): разделения потока (25), получаемого на этапе e), во втором сосуде (26) для разделения фаз на жидкую фазу (28) и газовую фазу (27), содержащую более 50% по объему гелия. step f): separating the stream (25) obtained in step e) in a second vessel (26) for separating the phases into a liquid phase (28) and a gas phase (27) containing more than 50% by volume of helium. 2. Способ по предыдущему пункту, отличающийся тем, что включает этап g): использования в качестве охлаждающего средства жидкой фазы (28) после расширения, получаемого на этапе f), в указанном теплообменнике (24), применяемом на этапе e). 2. The method according to the preceding paragraph, characterized in that it includes step g): using the liquid phase (28) as a coolant after the expansion obtained in step f) in said heat exchanger (24) used in step e). 3. Способ по п. 2, отличающийся тем, что на этапе g) указанную жидкую фазу (28) испаряют при давлении от 0,1 бара до 3 бар абсолютного давления. 3. The method according to p. 2, characterized in that in step g) the specified liquid phase (28) is evaporated at a pressure of from 0.1 bar to 3 bar absolute pressure. 4. Способ по одному из предыдущих пунктов, отличающийся тем, что на этапе a) поток газа вводят в колонну (5) высокого давления на по меньшей мере двух уровнях подачи, причем паровая фракция первой подачи (3d) меньше, чем паровая фракция второй (3c), и при этом первую подачу (3d) вводят на более высоком уровне указанной колонны (5) высокого давления, чем вторую (3c). 4. The method according to one of the preceding paragraphs, characterized in that in step a) the gas stream is introduced into the high pressure column (5) at least at two supply levels, the vapor fraction of the first supply (3d) being smaller than the vapor fraction of the second ( 3c), and wherein the first supply (3d) is introduced at a higher level of said high pressure column (5) than the second (3c). 5. Способ по одному из предыдущих пунктов, отличающийся тем, что включает этап h): извлечения газовой фазы (27), получаемой на этапе f), в виде богатого гелием продукта, содержащего по меньшей мере 75% по объему гелия. 5. The method according to one of the preceding paragraphs, characterized in that it includes step h): extracting the gas phase (27) obtained in step f) in the form of a helium-rich product containing at least 75% by volume of helium. 6. Способ по предыдущему пункту, отличающийся тем, что температура на выходе конденсатора (8) на этапе b) составляет от -150°C до -165°C. 6. The method according to the preceding paragraph, characterized in that the temperature at the outlet of the capacitor (8) in step b) is from -150 ° C to -165 ° C. 7. Способ по предыдущему пункту, отличающийся тем, что давление в колонне (5) высокого давления составляет от 20 бар абсолютного давления до 50 бар абсолютного давления, а давление в колонне низкого давления составляет от 1 бара абсолютного давления до 5 бар абсолютного давления. 7. The method according to the preceding paragraph, characterized in that the pressure in the high pressure column (5) is from 20 bar absolute pressure to 50 bar absolute pressure, and the pressure in the low pressure column is from 1 bar absolute pressure to 5 bar absolute pressure. 8. Способ по любому из предыдущих пунктов, отличающийся тем, что температура, при которой осуществляют этап c), составляет от -160°C до -180°C. 8. The method according to any one of the preceding paragraphs, characterized in that the temperature at which step c) is carried out is from -160 ° C to -180 ° C. 9. Способ по любому из предыдущих пунктов, отличающийся тем, что температура, при которой осуществляют этап e), составляет от -180°C до -210°C. 9. The method according to any one of the preceding paragraphs, characterized in that the temperature at which step e) is carried out is from -180 ° C to -210 ° C. 10. Способ по любому из предыдущих пунктов, отличающийся тем, что жидкую фазу (16), получаемую на этапе d), вводят в колонну (7) низкого давления указанного блока (6) удаления. 10. The method according to any one of the preceding paragraphs, characterized in that the liquid phase (16) obtained in step d) is introduced into the low pressure column (7) of said removal unit (6). 11. Способ по любому из предыдущих пунктов, отличающийся тем, что включает дополнительный этап получения обогащенного азотом потока (23), содержащего менее 2% по объему метана, из потока (20) газа из верхней части (21) колонны (7) низкого давления. 11. The method according to any one of the preceding paragraphs, characterized in that it includes an additional step of obtaining a nitrogen-rich stream (23) containing less than 2% by volume of methane from a gas stream (20) from the upper part (21) of the low pressure column (7) . 12. Способ по любому из предыдущих пунктов, отличающийся тем, что исходный поток (1) газа содержит от 20% по объему до 80% по объему метана, от 20% по объему до 80% по объему азота и от 0% по объему до 2% по объему гелия. 12. The method according to any one of the preceding paragraphs, characterized in that the initial gas stream (1) contains from 20% by volume to 80% by volume of methane, from 20% by volume to 80% by volume of nitrogen and from 0% by volume to 2% by volume of helium. 13. Установка (31) для получения гелия из исходной смеси (1) газа, содержащей метан, гелий и азот, причем указанная установка содержит: 13. Installation (31) for producing helium from the initial mixture (1) of a gas containing methane, helium and nitrogen, wherein said installation contains: - по меньшей мере один блок (6) удаления азота, оснащенный колонной двукратной ректификации, причем указанная колонна двукратной ректификации содержит дистилляционную колонну (5) высокого давления, дистилляционную колонну (7) низкого давления и конденсатор (8), соединяющий колонну (5) высокого давления с колонной (7) низкого давления, и at least one nitrogen removal unit (6) equipped with a double distillation column, said double distillation column comprising a high pressure distillation column (5), a low pressure distillation column (7) and a condenser (8) connecting the high column (5) pressure with a low pressure column (7), and - блок (30) извлечения гелия, содержащий первый сосуд (15) для разделения фаз, расположенный выше по потоку относительно теплообменника (24), который в свою очередь расположен выше по потоку относительно второго сосуда (26) для разделения фаз; - a helium recovery unit (30) containing a first phase separation vessel (15) located upstream of the heat exchanger (24), which in turn is located upstream of the second phase separation vessel (26); отличающаяся тем, что блок (6) удаления азота расположен выше по потоку относительно блока (30) извлечения гелия. characterized in that the nitrogen removal unit (6) is located upstream of the helium recovery unit (30). 14. Установка (31) по предыдущему пункту, отличающаяся тем, что указанный блок (30) извлечения гелия не содержит ни дистилляционной колонны, ни колонны ректификации, ни сосуда для разделения фаз с несколькими подачами. 14. Installation (31) according to the preceding paragraph, characterized in that said helium recovery unit (30) contains neither a distillation column, nor a rectification column, nor a vessel for phase separation with several feeds.
RU2018103764A 2015-07-16 2016-07-12 Obtaining helium from stream of natural gas RU2717666C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1556739 2015-07-16
FR1556739A FR3038973B1 (en) 2015-07-16 2015-07-16 HELIUM PRODUCTION FROM NATURAL GAS CURRENT
PCT/FR2016/051786 WO2017009573A1 (en) 2015-07-16 2016-07-12 Production of helium from a stream of natural gas

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RU2018103764A true RU2018103764A (en) 2019-07-31
RU2018103764A3 RU2018103764A3 (en) 2019-10-29
RU2717666C2 RU2717666C2 (en) 2020-03-24

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US (1) US20180209725A1 (en)
EP (1) EP3322949B1 (en)
FR (1) FR3038973B1 (en)
PL (1) PL3322949T3 (en)
RU (1) RU2717666C2 (en)
WO (1) WO2017009573A1 (en)

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RU2736682C1 (en) * 2020-06-05 2020-11-19 Андрей Владиславович Курочкин Natural gas preparation unit with helium extraction
CN111981767B (en) * 2020-08-20 2024-03-08 中国石油工程建设有限公司 Natural gas single-tower cryogenic helium extraction device and method

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US20180209725A1 (en) 2018-07-26
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