RU2014148678A - Способ обратного сжижения богатой метаном фракции - Google Patents
Способ обратного сжижения богатой метаном фракции Download PDFInfo
- Publication number
- RU2014148678A RU2014148678A RU2014148678A RU2014148678A RU2014148678A RU 2014148678 A RU2014148678 A RU 2014148678A RU 2014148678 A RU2014148678 A RU 2014148678A RU 2014148678 A RU2014148678 A RU 2014148678A RU 2014148678 A RU2014148678 A RU 2014148678A
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- RU
- Russia
- Prior art keywords
- methane
- fraction
- rich fraction
- pressure
- compressor
- Prior art date
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract 42
- 238000000034 method Methods 0.000 title claims abstract 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract 9
- 239000002826 coolant Substances 0.000 claims abstract 4
- 239000007788 liquid Substances 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims abstract 3
- 230000006835 compression Effects 0.000 claims abstract 2
- 238000007906 compression Methods 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 238000004781 supercooling Methods 0.000 claims abstract 2
- 239000010802 sludge Substances 0.000 claims 1
Classifications
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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
- F25J1/0002—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
- F25J1/0025—Boil-off gases "BOG" from storages
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/105—Removal of contaminants of nitrogen
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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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- F25J1/0032—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"
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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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- F25J1/0243—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.
- F25J1/0295—Shifting of the compression load between different cooling stages within a refrigerant cycle or within a cascade refrigeration system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
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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
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
- F25J2220/62—Separating low boiling components, e.g. He, H2, N2, Air
-
- 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
- F25J2230/30—Compression of the feed 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
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/32—Compression of the product 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
- F25J2270/12—External refrigeration with liquid vaporising loop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/66—Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- 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
Abstract
1. Способ обратного сжижения богатой метаном фракции, в частности испаренного газа, в которома) богатую метаном фракцию (1) сжимают (С1) до давления, которое по меньшей мере на 20% превышает критическое давление подлежащей сжатию фракции,b) сжижают и переохлаждают (Е2),с) разгружают (V1) до давления между 5 и 20 бар,d) разделяют на газообразную богатую азотом фракцию (4) и жидкую обедненную азотом фракцию (7) ие) разгружают (V2) обедненную азотом фракцию (7) до давления между 1,1 и 2,0 бар,f) при этом получающуюся газообразную фракцию (8) без нагревания и сжатия подмешивают в богатую метаном фракцию (1), иg) получающаяся при разгрузке бедная азотом жидкая фракция (9) продукта имеет содержание азота ≤1,5 мол.%.2. Способ по п. 1, в котором сжижение и переохлаждение (Е2) богатой метаном фракции (1) осуществляется с помощью по меньшей мере одного контура охлаждающего средства и/или по меньшей мере одного контура смеси охлаждающих средств, и при этом они имеют по меньшей мере один компрессор (С3) контура, отличающийся тем, что давление, до которого сжимается (С1) богатая метаном фракция (1), давление, до которого разгружается (V1) сжиженная и переохлажденная богатая метаном фракция (3), и температура, до которой охлаждается богатая метаном фракция, выбираются или варьируются так, что- приводная мощность применяемого для сжатия богатой метаном фракции (1) компрессора (С1) и приводная мощность компрессора (С3) или компрессоров контура сдвигаются относительно друг друга, без изменения общей мощности более чем на ±5%, или- приводная мощность применяемого для сжатия богатой метаном фракции (1) компрессора (С1) и приводная мощность компрессора (С3) или компрессоров контура сдвигаются относительно друг друга так, что достигается распреде
Claims (5)
1. Способ обратного сжижения богатой метаном фракции, в частности испаренного газа, в котором
а) богатую метаном фракцию (1) сжимают (С1) до давления, которое по меньшей мере на 20% превышает критическое давление подлежащей сжатию фракции,
b) сжижают и переохлаждают (Е2),
с) разгружают (V1) до давления между 5 и 20 бар,
d) разделяют на газообразную богатую азотом фракцию (4) и жидкую обедненную азотом фракцию (7) и
е) разгружают (V2) обедненную азотом фракцию (7) до давления между 1,1 и 2,0 бар,
f) при этом получающуюся газообразную фракцию (8) без нагревания и сжатия подмешивают в богатую метаном фракцию (1), и
g) получающаяся при разгрузке бедная азотом жидкая фракция (9) продукта имеет содержание азота ≤1,5 мол.%.
2. Способ по п. 1, в котором сжижение и переохлаждение (Е2) богатой метаном фракции (1) осуществляется с помощью по меньшей мере одного контура охлаждающего средства и/или по меньшей мере одного контура смеси охлаждающих средств, и при этом они имеют по меньшей мере один компрессор (С3) контура, отличающийся тем, что давление, до которого сжимается (С1) богатая метаном фракция (1), давление, до которого разгружается (V1) сжиженная и переохлажденная богатая метаном фракция (3), и температура, до которой охлаждается богатая метаном фракция, выбираются или варьируются так, что
- приводная мощность применяемого для сжатия богатой метаном фракции (1) компрессора (С1) и приводная мощность компрессора (С3) или компрессоров контура сдвигаются относительно друг друга, без изменения общей мощности более чем на ±5%, или
- приводная мощность применяемого для сжатия богатой метаном фракции (1) компрессора (С1) и приводная мощность компрессора (С3) или компрессоров контура сдвигаются относительно друг друга так, что достигается распределение общей мощности между 30/70 и 70/30.
3. Способ по п. 1 или 2, отличающийся тем, что богатую метаном фракцию (1) сжимают (С1) до давления, которое по меньшей мере на 30% превышает критическое давление подлежащей сжатию фракции.
4. Способ по п. 1 или 2, отличающийся тем, что сжиженную и переохлажденную богатую метаном фракцию (3) разгружают (V1) до давления между 7 и 15 бар.
5. Способ по п. 1 или 2, отличающийся тем, что обедненную азотом фракции разгружают (V2) до давления между 1,2 и 1,8 бар.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102012008961.9 | 2012-05-03 | ||
DE201210008961 DE102012008961A1 (de) | 2012-05-03 | 2012-05-03 | Verfahren zum Rückverflüssigen einer Methan-reichen Fraktion |
PCT/EP2013/001157 WO2013164069A2 (de) | 2012-05-03 | 2013-04-18 | Verfahren zum rückverflüssigen einer methan-reichen fraktion |
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RU2014148678A true RU2014148678A (ru) | 2016-06-27 |
RU2621572C2 RU2621572C2 (ru) | 2017-06-06 |
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RU2014148678A RU2621572C2 (ru) | 2012-05-03 | 2013-04-18 | Способ обратного сжижения богатой метаном фракции |
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US (1) | US20150121953A1 (ru) |
AU (1) | AU2013257026B2 (ru) |
DE (1) | DE102012008961A1 (ru) |
MY (1) | MY173721A (ru) |
RU (1) | RU2621572C2 (ru) |
WO (1) | WO2013164069A2 (ru) |
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DE102015004125A1 (de) * | 2015-03-31 | 2016-10-06 | Linde Aktiengesellschaft | Verfahren zum Verflüssigen einer Kohlenwasserstoff-reichen Fraktion |
JP7089074B2 (ja) * | 2018-03-14 | 2022-06-21 | エクソンモービル アップストリーム リサーチ カンパニー | 液体窒素を使用する天然ガスの液化のための方法及びシステム |
FR3088416B1 (fr) * | 2018-11-08 | 2020-12-11 | Air Liquide | Procede et appareil de liquefaction d'un courant gazeux contenant du dioxyde de carbone |
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GB1472533A (en) * | 1973-06-27 | 1977-05-04 | Petrocarbon Dev Ltd | Reliquefaction of boil-off gas from a ships cargo of liquefied natural gas |
US4225329A (en) * | 1979-02-12 | 1980-09-30 | Phillips Petroleum Company | Natural gas liquefaction with nitrogen rejection stabilization |
US4541852A (en) * | 1984-02-13 | 1985-09-17 | Air Products And Chemicals, Inc. | Deep flash LNG cycle |
US5036671A (en) | 1990-02-06 | 1991-08-06 | Liquid Air Engineering Company | Method of liquefying natural gas |
FR2682964B1 (fr) * | 1991-10-23 | 1994-08-05 | Elf Aquitaine | Procede de deazotation d'un melange liquefie d'hydrocarbures consistant principalement en methane. |
US5657643A (en) * | 1996-02-28 | 1997-08-19 | The Pritchard Corporation | Closed loop single mixed refrigerant process |
RU2256130C2 (ru) * | 2003-09-24 | 2005-07-10 | Открытое акционерное общество криогенного машиностроения (ОАО "Криогенмаш") | Способ сжижения природного газа в дроссельном цикле |
DE102004023814A1 (de) * | 2004-05-13 | 2005-12-01 | Linde Ag | Verfahren und Vorrichtung zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes |
MY141887A (en) * | 2004-07-12 | 2010-07-16 | Shell Int Research | Treating liquefied natural gas |
JP5280351B2 (ja) * | 2006-04-07 | 2013-09-04 | バルチラ・オイル・アンド・ガス・システムズ・エイ・エス | 再液化システムにおいて圧縮より前にボイルオフガスを周囲温度に予熱するための方法及び装置 |
RU2344360C1 (ru) * | 2007-07-04 | 2009-01-20 | Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий-ВНИИГАЗ" | Способ сжижения газа и установка для его осуществления |
NO330187B1 (no) * | 2008-05-08 | 2011-03-07 | Hamworthy Gas Systems As | Gasstilforselssystem for gassmotorer |
DE102009015411A1 (de) * | 2009-03-27 | 2010-10-07 | Marine-Service Gmbh | Verfahren und Einrichtung zum Betrieb einer Antriebsmaschine für ein Schiff zum Transport von Flüssiggas |
DE102010011052A1 (de) * | 2010-03-11 | 2011-09-15 | Linde Aktiengesellschaft | Verfahren zum Verflüssigen einer Kohlenwasserstoff-reichen Fraktion |
DE102011010633A1 (de) * | 2011-02-08 | 2012-08-09 | Linde Ag | Verfahren zum Abkühlen eines ein- oder mehrkomponentigen Stromes |
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- 2012-05-03 DE DE201210008961 patent/DE102012008961A1/de not_active Withdrawn
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- 2013-04-18 MY MYPI2014703219A patent/MY173721A/en unknown
- 2013-04-18 RU RU2014148678A patent/RU2621572C2/ru active
- 2013-04-18 US US14/397,890 patent/US20150121953A1/en not_active Abandoned
- 2013-04-18 WO PCT/EP2013/001157 patent/WO2013164069A2/de active Application Filing
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AU2013257026B2 (en) | 2017-04-13 |
AU2013257026A1 (en) | 2014-10-30 |
US20150121953A1 (en) | 2015-05-07 |
WO2013164069A3 (de) | 2015-04-16 |
DE102012008961A1 (de) | 2013-11-07 |
WO2013164069A2 (de) | 2013-11-07 |
MY173721A (en) | 2020-02-18 |
RU2621572C2 (ru) | 2017-06-06 |
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