WO2015098124A1 - 天然ガスの液化システム及び液化方法 - Google Patents
天然ガスの液化システム及び液化方法 Download PDFInfo
- Publication number
- WO2015098124A1 WO2015098124A1 PCT/JP2014/006501 JP2014006501W WO2015098124A1 WO 2015098124 A1 WO2015098124 A1 WO 2015098124A1 JP 2014006501 W JP2014006501 W JP 2014006501W WO 2015098124 A1 WO2015098124 A1 WO 2015098124A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- raw material
- gas
- compressor
- material gas
- liquefaction
- Prior art date
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 348
- 239000003345 natural gas Substances 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims description 75
- 239000007789 gas Substances 0.000 claims abstract description 451
- 239000002994 raw material Substances 0.000 claims abstract description 313
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 238000004821 distillation Methods 0.000 claims description 102
- 239000003507 refrigerant Substances 0.000 claims description 88
- 239000007788 liquid Substances 0.000 claims description 71
- 238000000926 separation method Methods 0.000 claims description 57
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 55
- 239000001294 propane Substances 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 18
- 239000007791 liquid phase Substances 0.000 claims description 17
- 239000012071 phase Substances 0.000 claims description 16
- 239000003949 liquefied natural gas Substances 0.000 claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 13
- 238000010248 power generation Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 105
- 238000012986 modification Methods 0.000 description 105
- 230000008569 process Effects 0.000 description 60
- 238000010586 diagram Methods 0.000 description 55
- 230000008901 benefit Effects 0.000 description 18
- 238000012545 processing Methods 0.000 description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 12
- 239000005977 Ethylene Substances 0.000 description 12
- 229930195733 hydrocarbon Natural products 0.000 description 11
- 150000002430 hydrocarbons Chemical class 0.000 description 11
- 238000005057 refrigeration Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 10
- 239000007921 spray Substances 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000013459 approach Methods 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 101710187785 60S ribosomal protein L1-A Proteins 0.000 description 2
- 101710187786 60S ribosomal protein L1-B Proteins 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000003498 natural gas condensate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
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
- F25J1/02—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
- F25J1/0203—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle
- F25J1/0204—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle as a single flow SCR 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
- F25J1/003—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
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
- F25J1/0055—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream originating from an incorporated cascade
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
- F25J1/008—Hydrocarbons
- F25J1/0082—Methane
-
- 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
- F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
- F25J1/008—Hydrocarbons
- F25J1/0085—Ethane; Ethylene
-
- 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
- F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
- F25J1/008—Hydrocarbons
- F25J1/0087—Propane; Propylene
-
- 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
- F25J1/0203—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle
- F25J1/0208—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop
- F25J1/0209—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade
- F25J1/021—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 single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade using a deep flash recycle 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
- 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
- F25J1/0211—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
- F25J1/0217—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 at least a three level refrigeration cascade with at least one MCR cycle
- F25J1/0218—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 at least a three level refrigeration cascade with at least one MCR cycle with one or more SCR cycles, e.g. with 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
- 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
-
- 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
- F25J1/0239—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
- F25J1/0241—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 wherein the overhead cooling comprises providing reflux for a 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
- 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
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0262—Details of the cold heat exchange system
-
- 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
- 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
- F25J3/0204—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
- F25J3/0214—Liquefied 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
- F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
-
- 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
- F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
-
- 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
- F25J2200/40—Features relating to the provision of boil-up in the bottom of a 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/76—Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration 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
- 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
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/60—Natural gas or synthetic natural gas [SNG]
-
- 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
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
- F25J2220/66—Separating acid gases, e.g. CO2, SO2, H2S or RSH
-
- 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
- F25J2220/68—Separating water or hydrates
-
- 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
- F25J2230/22—Compressor driver arrangement, e.g. power supply by motor, gas or steam turbine
-
- 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
- F25J2230/60—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being hydrocarbons or 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
- 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
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. 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
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
- F25J2240/04—Multiple expansion turbines in parallel
-
- 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
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/40—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval
-
- 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
- F25J2270/18—External refrigeration with incorporated cascade 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
-
- 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
Abstract
Description
図1は本発明の第1実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。また、後に示す表1は、第1実施形態に係る天然ガスの液化システムでの液化処理に関連するシミュレーション結果(表2~表12についても同様)である。表1には、第1実施形態に係る液化システム1において液化処理される天然ガス(以下、原料ガスという。)の温度、圧力、流量、及び各成分のモル分率等の一例を示す。表1における( i )-(ix)欄は、図1中にそれぞれ同じ番号( i )-(ix)が付された液化システム1の各位置における数値を示している。
図2及び図3の構成図には、それぞれ本発明の第1実施形態に対応する第1及び第2参考例として、従来の天然ガスの液化システムにおける液化処理の流れを示す。図2及び図3に示す液化システム101、201では、第1実施形態に係る液化システム1に対応する構成要素についてはそれぞれ同一の符号が付されている。また、表2及び表3には、表1と同様に、それぞれ第1及び第2の参考例としての液化システム101、201における原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例が示されている。なお、第2の参考例の液化システム201は、上述の特許文献1(米国特許第4065278号明細書)の従来技術に基づき構成されたものである。
図4は本発明の第1実施形態の第1変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図4に示す液化システム1では、第1実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図5、図6及び図7は、それぞれ本発明の第1実施形態の第2、第3及び第4変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図5、図6及び図7に示す液化システム1では、第1実施形態(他の変形例を含む)に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図8は、本発明の第1実施形態の第5変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図8に示す液化システム1では、第1実施形態(他の変形例を含む)に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図9は、本発明の第1実施形態の第6変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。表4には、第6変形例の液化システムにおける原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例が示されている。また、表5には、液化システムで用いられる混合冷媒系の冷凍サイクルにおける冷媒の温度、圧力、流量、及び各成分のモル分率等の一例が示されている。なお、図9に示す液化システム1では、第1実施形態(他の変形例を含む)に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図10は、本発明の第1実施形態の第7変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。表6には、第7変形例の液化システムにおける原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例が示されている。なお、図10に示す液化システム1では、第1実施形態(他の変形例を含む)に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図33は、本発明の第1実施形態の第8変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図33に示す液化システム1では、第1実施形態(他の変形例を含む)に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図11は本発明の第2実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。また、表7には、第2実施形態に係る液化システム1における原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例を示す。なお、図11に示す液化システム1では、第1実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図12は本発明の第3実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。また、表8には、第3実施形態に係る液化システム1における原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例を示す。なお、図12に示す液化システム1では、第1及び第2実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図13は本発明の第3実施形態の変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図13に示す液化システム1では、第1から第3実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図14は本発明の第4実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。また、表9には、第4実施形態に係る液化システム1における原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例を示す。なお、図14に示す液化システム1では、第1から第3実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図15は本発明の第5実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図15に示す液化システム1では、第1から第4実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図16は本発明の第6実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図16に示す液化システム1では、第1から第5実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図17は本発明の第6実施形態の変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。また、表11には、第6実施形態の変形例に係る液化システム1における原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例を示す。なお、図17に示す液化システム1では、第6実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図18及び図19は、それぞれ本発明の第6実施形態の第2及び第3変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図18及び図19に示す液化システム1では、第6実施形態(他の変形例を含む)に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図20は、本発明の第6実施形態の第4変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。表12には、第4変形例の液化システムにおける原料ガスの温度、圧力、流量、及び各成分のモル分率等の一例が示されている。なお、図20に示す液化システム1では、第6実施形態(他の変形例を含む)に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図21は本発明の第7実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図21に示す液化システム1では、第1から第6実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図22は本発明の第8実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図22に示す液化システム1では、第1から第7実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図23及び図24は、それぞれ本発明の第8実施形態の第1及び第2変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図23及び図24に示す液化システム1では、第8実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図25は本発明の第9実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図25に示す液化システム1では、第1から第8実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図26は本発明の第9実施形態の変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図26に示す液化システム1では、第9実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図27は本発明の第10実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図27に示す液化システム1では、第1から第9実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図28及び図29は、それぞれ本発明の第10実施形態の第1及び第2変形例に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図28及び図29に示す液化システム1では、第10実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図30は本発明の第11実施形態に係る天然ガスの液化システムにおける液化処理の流れを示す構成図である。なお、図30に示す液化システム1では、第1から第10実施形態に係る液化システム1と同様の構成要素についてはそれぞれ同一の符号を付し、以下で言及する事項を除いて詳細な説明を省略する。
図31及び図32は、それぞれ上述の各実施形態における膨張機と圧縮機との機械的接続構造の第1及び第2変形例を示す図である。
2 水分除去装置
3、3a 第1膨張機
3b 第2膨張機
4、4a 第1圧縮機
4b 第3圧縮機
5 シャフト
10、11、12 第1冷却器
15 蒸留装置
21 液化装置
23 第1気液分離槽
33 膨張弁
41 冷媒セパレータ
44 膨張弁
45 スプレーヘッダ
54 膨張弁
55 スプレーヘッダ
69 熱交換器
71 第4圧縮機
72 第4冷却器
75 第2圧縮機
81 モータ(第1モータ)
82 コントローラ
83 圧力計
84 モータ(第2モータ)
85 第2冷却器
86 第3冷却器
87 発電装置
89 膨張弁
91 セパレータ
92 膨張弁
96 ギヤ
97 ギヤ
98 ギヤ
Z1 暖温領域
Z2 中間領域
Z3 冷温領域
Claims (22)
- 天然ガスを冷却して液化天然ガスを生成する天然ガスの液化システムであって、
加圧状態で得られた天然ガスを原料ガスとして膨張させることによって動力を発生させる第1膨張機と、
前記第1膨張機における膨張によって減圧された前記原料ガスを冷却する第1冷却器と、
前記第1冷却器によって冷却された前記原料ガスを蒸留することにより、前記原料ガス中の重質分を低減または除去する蒸留装置と、
前記第1膨張機において発生した動力を利用することにより、前記蒸留装置において前記重質分が低減または除去された前記原料ガスを圧縮する第1圧縮機と、
前記第1圧縮機によって圧縮された前記原料ガスを冷媒との熱交換によって液化する液化装置と
を備えたことを特徴とする天然ガスの液化システム。 - 前記第1圧縮機と前記液化装置との間に配置され、前記第1圧縮機によって圧縮された前記原料ガスを冷却する第2冷却器を更に備えたことを特徴とする請求項1に記載の天然ガスの液化システム。
- 前記液化装置は、スプール巻き型熱交換器からなり、
前記第1圧縮機から送出された前記原料ガスは、前記スプール巻き型熱交換器に対し、当該スプール巻き型熱交換器内の高温側に位置する暖温領域に導入されることを特徴とする請求項1または請求項2に記載の天然ガスの液化システム。 - 前記第1圧縮機と前記液化装置との間に配置され、前記第1圧縮機から送出された前記原料ガスを昇圧する第2圧縮機を更に備えたことを特徴とする請求項1に記載の天然ガスの液化システム。
- 外部からの電力によって駆動され、前記液化装置に導入される前記原料ガスの圧力値に基づき駆動制御される第1モータを更に備え、
前記第2圧縮機は、前記第1モータによって駆動されることを特徴とする請求項4に記載の天然ガスの液化システム。 - 前記第2圧縮機と前記液化装置との間に配置され、前記原料ガスを冷却する第2冷却器を更に備えたことを特徴とする請求項4に記載の天然ガスの液化システム。
- 前記第1膨張機において発生した動力を電力に変換する発電装置と、
前記第1圧縮機を駆動する第2モータと
を更に備え、
前記第2モータは、前記発電装置からの電力を利用して駆動されることを特徴とする請求項1に記載の天然ガスの液化システム。 - 前記第1膨張機と前記第1圧縮機とを機械的に連結し、外部からの電力供給を受ける第2モータを更に備え、
前記第1圧縮機は、前記第1膨張機において発生した動力と、前記第2モータの動力とを利用することにより、前記原料ガスを圧縮することを特徴とする請求項1に記載の天然ガスの液化システム。 - 前記第1圧縮機には、前記蒸留装置において前記重質分が低減または除去された前記原料ガスが直接導入され、
前記第1圧縮機において圧縮された前記原料ガスが前記液化装置を介して導入される第1気液分離槽を備え、
前記第1気液分離槽において分離された前記原料ガスの気相成分は、前記液化装置に再び導入される一方、前記原料ガスの液相成分は、前記蒸留装置に環流されることを特徴とする請求項1に記載の天然ガスの液化システム。 - 前記第1圧縮機と前記第1気液分離槽との間に配置され、前記原料ガスを冷却する第2冷却器を更に備えたことを特徴とする請求項9に記載の天然ガスの液化システム。
- 前記第1膨張機と前記蒸留装置との間に配置され、前記原料ガスを膨張させることによって動力を発生させる第2膨張機と、
前記蒸留装置と前記第1圧縮機との間に配置され、第2膨張機において発生した動力を利用することにより、前記蒸留装置によって蒸留された前記原料ガスを圧縮する第3圧縮機と
を更に備えたことを特徴とする請求項1に記載の天然ガスの液化システム。 - 前記第1膨張機と並列に配置され、前記原料ガスを膨張させることによって動力を発生させる第2膨張機と、
前記蒸留装置と前記第1圧縮機との間に配置され、第2膨張機において発生した動力を利用することにより、前記蒸留装置によって蒸留された前記原料ガスを圧縮する第3圧縮機と
を更に備えたことを特徴とする請求項1に記載の天然ガスの液化システム。 - 前記液化装置は、プレートフィン型熱交換器であることを特徴とする請求項1に記載の天然ガスの液化システム。
- 前記第1圧縮機で圧縮された前記原料ガスの圧力は、5,171kPaAよりも高いことを特徴とする請求項1に記載の天然ガスの液化システム。
- 前記第2圧縮機で圧縮された前記原料ガスの圧力は、5,171kPaAよりも高いことを特徴とする請求項4または請求項5に記載の天然ガスの液化システム。
- 前記蒸留装置に導入される前記原料ガスと、前記蒸留装置からの塔頂留出物との熱交換を行う熱交換器を更に備えたことを特徴とする請求項1から請求項8のいずれかに記載の天然ガスの液化システム。
- 前記蒸留装置からの塔頂留出物が導入される第1気液分離槽と、
前記蒸留装置と前記第1気液分離槽との間に配置され、前記蒸留装置からの前記塔頂留出物を冷却する第3冷却器とを更に備えたことを特徴とする請求項1から請求項8のいずれかに記載の天然ガスの液化システム。 - 前記第1圧縮機に導入される前記原料ガスと、前記第1圧縮機において圧縮された後の前記原料ガスとの熱交換を行う第2熱交換器を更に備えたことを特徴とする請求項1から請求項8のいずれかに記載の天然ガスの液化システム。
- 前記第1圧縮機において圧縮された後の前記原料ガスを、前記第2熱交換器の上流側において、水、空気、及びプロパン冷媒のいずれかによって冷却する第5冷却器を更に備えたことを特徴とする請求項18に記載の天然ガスの液化システム。
- 前記第1圧縮機において圧縮された後の前記原料ガスと、前記蒸留装置からの塔頂留出物との熱交換を行う第3熱交換器を更に備えたことを特徴とする請求項18に記載の天然ガスの液化システム。
- 天然ガスを冷却して液化天然ガスを生成する天然ガスの液化システムであって、
加圧状態で得られた天然ガスを原料ガスとして膨張させることによって動力を発生させる第1膨張機と、
前記第1膨張機における膨張によって減圧された前記原料ガスを蒸留することにより、前記原料ガス中の重質分を低減または除去する蒸留装置と、
前記第1膨張機において発生した動力を利用することにより、前記蒸留装置において前記重質分が低減または除去された前記原料ガスを圧縮する第1圧縮機と、
前記第1圧縮機によって圧縮された前記原料ガスを冷媒との熱交換によって液化する液化装置と
を備えたことを特徴とする天然ガスの液化システム。 - 天然ガスを冷却して液化天然ガスを生成する天然ガスの液化方法であって、
加圧状態で得られた天然ガスを原料ガスとして膨張させることによって動力を発生させる第1膨張工程と、
前記第1膨張工程における膨張によって減圧された前記原料ガスを冷却する第1冷却工程と、
前記第1冷却工程によって冷却された前記原料ガスを蒸留することにより、前記原料ガス中の重質分を低減または除去する蒸留工程と、
前記第1膨張工程において発生した動力を利用することにより、前記蒸留工程において前記重質分が低減または除去された前記原料ガスを圧縮する第1圧縮工程と、
前記第1圧縮工程によって圧縮された前記原料ガスを冷媒との熱交換によって液化する液化工程と
を備えたことを特徴とする天然ガスの液化方法。
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/108,042 US20170160008A9 (en) | 2013-12-26 | 2014-12-26 | System and method for liquefaction of natural gas |
ES14873799T ES2838498T3 (es) | 2013-12-26 | 2014-12-26 | Sistema de licuefacción de gas natural y método de licuefacción |
CN201480071324.2A CN106062495B (zh) | 2013-12-26 | 2014-12-26 | 天然气液化系统和方法 |
AP2016009511A AP2016009511A0 (en) | 2013-12-26 | 2014-12-26 | System and method for liquefaction of natural gas |
CA2934895A CA2934895C (en) | 2013-12-26 | 2014-12-26 | System and method for liquefaction of natural gas |
KR1020167020287A KR101840721B1 (ko) | 2013-12-26 | 2014-12-26 | 천연가스의 액화 시스템 및 액화 방법 |
AU2014371866A AU2014371866B9 (en) | 2013-12-26 | 2014-12-26 | System and method for liquefaction of natural gas |
KR1020167030036A KR101894076B1 (ko) | 2013-12-26 | 2014-12-26 | 천연가스의 액화 시스템 및 액화 방법 |
EP16201992.1A EP3168558B1 (en) | 2013-12-26 | 2014-12-26 | System and method for liquefaction of natural gas |
AP2016009309A AP2016009309A0 (en) | 2013-12-26 | 2014-12-26 | System and method for liquefaction of natural gas |
RU2016130314A RU2651007C2 (ru) | 2013-12-26 | 2014-12-26 | Система и способ для сжижения природного газа |
EP14873799.2A EP3091319B1 (en) | 2013-12-26 | 2014-12-26 | Natural gas liquefying system and liquefying method |
SA516371407A SA516371407B1 (ar) | 2013-12-26 | 2016-06-24 | نظام وطريقة لإسالة الغاز الطبيعي |
SA516380183A SA516380183B1 (ar) | 2013-12-26 | 2016-06-24 | نظام وطريقة لإسالة الغاز الطبيعي |
US15/293,485 US20170030633A1 (en) | 2013-12-26 | 2016-10-14 | System and method for liquefacation of natural gas |
AU2016250325A AU2016250325B2 (en) | 2013-12-26 | 2016-10-24 | System and method for liquefaction of natural gas |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-270011 | 2013-12-26 | ||
JP2013270011 | 2013-12-26 | ||
JP2014-050786 | 2014-03-13 | ||
JP2014050786A JP6225049B2 (ja) | 2013-12-26 | 2014-03-13 | 天然ガスの液化システム及び液化方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/108,042 A-371-Of-International US20170160008A9 (en) | 2013-12-26 | 2014-12-26 | System and method for liquefaction of natural gas |
US15/293,485 Continuation US20170030633A1 (en) | 2013-12-26 | 2016-10-14 | System and method for liquefacation of natural gas |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015098124A1 true WO2015098124A1 (ja) | 2015-07-02 |
Family
ID=53478019
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/006501 WO2015098124A1 (ja) | 2013-12-26 | 2014-12-26 | 天然ガスの液化システム及び液化方法 |
PCT/JP2014/006502 WO2015098125A1 (ja) | 2013-12-26 | 2014-12-26 | 天然ガスの液化システム及び液化方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/006502 WO2015098125A1 (ja) | 2013-12-26 | 2014-12-26 | 天然ガスの液化システム及び液化方法 |
Country Status (14)
Country | Link |
---|---|
US (3) | US20170160008A9 (ja) |
EP (2) | EP3091319B1 (ja) |
JP (1) | JP6225049B2 (ja) |
KR (2) | KR101840721B1 (ja) |
CN (2) | CN106062495B (ja) |
AP (3) | AP2016009511A0 (ja) |
AU (3) | AU2014371866B9 (ja) |
CA (3) | CA2934895C (ja) |
ES (1) | ES2838498T3 (ja) |
MY (1) | MY176671A (ja) |
PE (2) | PE20170506A1 (ja) |
RU (3) | RU2668303C1 (ja) |
SA (2) | SA516371407B1 (ja) |
WO (2) | WO2015098124A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017013329A1 (fr) * | 2015-07-23 | 2017-01-26 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Méthode de purification d'un gaz riche en hydrocarbures |
EP3252408A1 (fr) * | 2016-06-02 | 2017-12-06 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procédé de purification de gaz naturel et de liquéfaction de dioxyde de carbone |
CN107642949A (zh) * | 2016-07-21 | 2018-01-30 | 气体产品与化学公司 | 液化贫气去重质烃系统 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6517251B2 (ja) * | 2013-12-26 | 2019-05-22 | 千代田化工建設株式会社 | 天然ガスの液化システム及び液化方法 |
TWI707115B (zh) * | 2015-04-10 | 2020-10-11 | 美商圖表能源與化學有限公司 | 混合製冷劑液化系統和方法 |
US10619918B2 (en) * | 2015-04-10 | 2020-04-14 | Chart Energy & Chemicals, Inc. | System and method for removing freezing components from a feed gas |
FR3053771B1 (fr) * | 2016-07-06 | 2019-07-19 | Saipem S.P.A. | Procede de liquefaction de gaz naturel et de recuperation d'eventuels liquides du gaz naturel comprenant deux cycles refrigerant semi-ouverts au gaz naturel et un cycle refrigerant ferme au gaz refrigerant |
US10539364B2 (en) * | 2017-03-13 | 2020-01-21 | General Electric Company | Hydrocarbon distillation |
JP7026470B2 (ja) * | 2017-09-29 | 2022-02-28 | レール・リキード-ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 天然ガスの製造装置および天然ガスの製造方法 |
US10866022B2 (en) * | 2018-04-27 | 2020-12-15 | Air Products And Chemicals, Inc. | Method and system for cooling a hydrocarbon stream using a gas phase refrigerant |
CA3109918C (en) | 2018-08-22 | 2023-05-16 | Exxonmobil Upstream Research Company | Managing make-up gas composition variation for a high pressure expander process |
WO2020040952A1 (en) * | 2018-08-22 | 2020-02-27 | Exxonmobil Upstream Research Company | Primary loop start-up method for a high pressure expander process |
SG11202101058QA (en) | 2018-08-22 | 2021-03-30 | Exxonmobil Upstream Res Co | Heat exchanger configuration for a high pressure expander process and a method of natural gas liquefaction using the same |
TWI746977B (zh) * | 2019-01-22 | 2021-11-21 | 法商液態空氣喬治斯克勞帝方法研究開發股份有限公司 | 氣體液化方法及氣體液化裝置 |
CN110185506B (zh) * | 2019-05-27 | 2022-02-08 | 西南石油大学 | 一种天然气调压站压力能综合利用系统 |
JP7355979B2 (ja) * | 2019-09-26 | 2023-10-04 | レール・リキード-ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | ガス液化装置 |
CN111692781A (zh) * | 2020-05-06 | 2020-09-22 | 杭州电子科技大学 | 正辛烷在对钻具进行冷却的制冷循环中作为制冷剂的应用 |
CN111664611B (zh) * | 2020-05-06 | 2023-05-09 | 杭州电子科技大学 | 一种对石油开采钻具进行冷却的制冷循环装置 |
CN112377176B (zh) * | 2020-11-17 | 2023-09-26 | 中国石油天然气股份有限公司 | 一种页岩气高产井组快速确定方法及装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5116385B1 (ja) * | 1965-07-28 | 1976-05-24 | ||
US4004430A (en) * | 1974-09-30 | 1977-01-25 | The Lummus Company | Process and apparatus for treating natural gas |
US4065278A (en) | 1976-04-02 | 1977-12-27 | Air Products And Chemicals, Inc. | Process for manufacturing liquefied methane |
JPS5472203A (en) * | 1977-11-21 | 1979-06-09 | Air Prod & Chem | Production of liquefied methane |
JPS5981483A (ja) * | 1982-08-30 | 1984-05-11 | エア・プロダクツ・アンド・ケミカルズ・インコ−ポレイテツド | メタンの液化方法 |
JPS6129671A (ja) * | 1984-05-08 | 1986-02-10 | ウイリアム、ロバ−ト、ストザ−ス | 高い熱的動的効率を有する蒸留塔 |
US20130283853A1 (en) * | 2009-05-15 | 2013-10-31 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4150962A (en) * | 1975-12-15 | 1979-04-24 | Uop Inc. | Pretreatment of raw natural gas prior to liquefaction |
US4445917A (en) * | 1982-05-10 | 1984-05-01 | Air Products And Chemicals, Inc. | Process for liquefied natural gas |
US5615561A (en) * | 1994-11-08 | 1997-04-01 | Williams Field Services Company | LNG production in cryogenic natural gas processing plants |
RU2088866C1 (ru) * | 1995-04-21 | 1997-08-27 | Всероссийский научно-исследовательский институт природных газов и газовых технологий | Способ подготовки природного газа к транспорту |
US6401486B1 (en) * | 2000-05-18 | 2002-06-11 | Rong-Jwyn Lee | Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants |
US6793712B2 (en) * | 2002-11-01 | 2004-09-21 | Conocophillips Company | Heat integration system for natural gas liquefaction |
WO2007110331A1 (en) * | 2006-03-24 | 2007-10-04 | Shell Internationale Research Maatschappij B.V. | Method and apparatus for liquefying a hydrocarbon stream |
US20090301131A1 (en) * | 2006-05-19 | 2009-12-10 | Shell Oil Company | Method and apparatus for treating a hydrocarbon stream |
WO2007148122A2 (en) * | 2006-06-23 | 2007-12-27 | T Baden Hardstaff Limited | Process and device for producing lng |
CN101108978B (zh) * | 2006-07-19 | 2011-04-20 | 吕应中 | 碳氢化合物气体处理方法与装置 |
US8256243B2 (en) * | 2006-12-16 | 2012-09-04 | Kellogg Brown & Root Llc | Integrated olefin recovery process |
DE102007007581A1 (de) * | 2007-02-15 | 2008-08-21 | Linde Ag | Verfahren und Vorrichtung zur Trennung eines Gasgemisches |
WO2009007439A2 (en) * | 2007-07-12 | 2009-01-15 | Shell Internationale Research Maatschappij B.V. | Method and apparatus for liquefying a gaseous hydrocarbon stream |
US20090282865A1 (en) * | 2008-05-16 | 2009-11-19 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
CN103201013B (zh) * | 2010-09-03 | 2017-02-22 | 缠绕机公司 | 用于精炼原料气流的精炼系统和方法 |
FR2992972B1 (fr) * | 2012-07-05 | 2014-08-15 | Technip France | Procede de production d'un gaz naturel traite, d'une coupe riche en hydrocarbures en c3+, et eventuellement d'un courant riche en ethane, et installation associee |
-
2014
- 2014-03-13 JP JP2014050786A patent/JP6225049B2/ja active Active
- 2014-12-26 AP AP2016009511A patent/AP2016009511A0/en unknown
- 2014-12-26 MY MYPI2016702301A patent/MY176671A/en unknown
- 2014-12-26 ES ES14873799T patent/ES2838498T3/es active Active
- 2014-12-26 US US15/108,042 patent/US20170160008A9/en not_active Abandoned
- 2014-12-26 KR KR1020167020287A patent/KR101840721B1/ko active IP Right Grant
- 2014-12-26 WO PCT/JP2014/006501 patent/WO2015098124A1/ja active Application Filing
- 2014-12-26 US US15/104,564 patent/US20160313056A1/en not_active Abandoned
- 2014-12-26 CA CA2934895A patent/CA2934895C/en active Active
- 2014-12-26 AP AP2016009309A patent/AP2016009309A0/en unknown
- 2014-12-26 WO PCT/JP2014/006502 patent/WO2015098125A1/ja active Application Filing
- 2014-12-26 RU RU2016144151A patent/RU2668303C1/ru active
- 2014-12-26 RU RU2016130314A patent/RU2651007C2/ru active
- 2014-12-26 PE PE2016002091A patent/PE20170506A1/es unknown
- 2014-12-26 RU RU2016130315A patent/RU2016130315A/ru not_active Application Discontinuation
- 2014-12-26 PE PE2016000954A patent/PE20161119A1/es unknown
- 2014-12-26 AU AU2014371866A patent/AU2014371866B9/en active Active
- 2014-12-26 EP EP14873799.2A patent/EP3091319B1/en active Active
- 2014-12-26 AU AU2014371867A patent/AU2014371867A1/en not_active Abandoned
- 2014-12-26 CA CA2934435A patent/CA2934435A1/en not_active Abandoned
- 2014-12-26 AP AP2016009308A patent/AP2016009308A0/en unknown
- 2014-12-26 CA CA3029950A patent/CA3029950C/en active Active
- 2014-12-26 CN CN201480071324.2A patent/CN106062495B/zh active Active
- 2014-12-26 KR KR1020167030036A patent/KR101894076B1/ko active IP Right Grant
- 2014-12-26 CN CN201611162705.9A patent/CN107339853B/zh active Active
- 2014-12-26 EP EP16201992.1A patent/EP3168558B1/en active Active
-
2016
- 2016-06-24 SA SA516371407A patent/SA516371407B1/ar unknown
- 2016-06-24 SA SA516380183A patent/SA516380183B1/ar unknown
- 2016-10-14 US US15/293,485 patent/US20170030633A1/en not_active Abandoned
- 2016-10-24 AU AU2016250325A patent/AU2016250325B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5116385B1 (ja) * | 1965-07-28 | 1976-05-24 | ||
US4004430A (en) * | 1974-09-30 | 1977-01-25 | The Lummus Company | Process and apparatus for treating natural gas |
US4065278A (en) | 1976-04-02 | 1977-12-27 | Air Products And Chemicals, Inc. | Process for manufacturing liquefied methane |
JPS5472203A (en) * | 1977-11-21 | 1979-06-09 | Air Prod & Chem | Production of liquefied methane |
JPS5981483A (ja) * | 1982-08-30 | 1984-05-11 | エア・プロダクツ・アンド・ケミカルズ・インコ−ポレイテツド | メタンの液化方法 |
JPS6129671A (ja) * | 1984-05-08 | 1986-02-10 | ウイリアム、ロバ−ト、ストザ−ス | 高い熱的動的効率を有する蒸留塔 |
US20130283853A1 (en) * | 2009-05-15 | 2013-10-31 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
Non-Patent Citations (1)
Title |
---|
See also references of EP3091319A4 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017013329A1 (fr) * | 2015-07-23 | 2017-01-26 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Méthode de purification d'un gaz riche en hydrocarbures |
FR3039080A1 (fr) * | 2015-07-23 | 2017-01-27 | Air Liquide | Methode de purification d'un gaz riche en hydrocarbures |
US11060037B2 (en) | 2015-07-23 | 2021-07-13 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Method for purifying a gas rich in hydrocarbons |
AU2016296356B2 (en) * | 2015-07-23 | 2021-08-12 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method for purifying a gas rich in hydrocarbons |
EP3252408A1 (fr) * | 2016-06-02 | 2017-12-06 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procédé de purification de gaz naturel et de liquéfaction de dioxyde de carbone |
FR3052241A1 (fr) * | 2016-06-02 | 2017-12-08 | L'air Liquide Sa Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede de purification de gaz naturel et de liquefaction de dioxyde de carbone |
US10415879B2 (en) | 2016-06-02 | 2019-09-17 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Process for purifying natural gas and liquefying carbon dioxide |
CN107642949A (zh) * | 2016-07-21 | 2018-01-30 | 气体产品与化学公司 | 液化贫气去重质烃系统 |
CN107642949B (zh) * | 2016-07-21 | 2020-03-06 | 气体产品与化学公司 | 液化贫气去重质烃系统 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6225049B2 (ja) | 天然ガスの液化システム及び液化方法 | |
AU2007253406B2 (en) | Method and apparatus for treating a hydrocarbon stream | |
JP6683665B2 (ja) | 複数圧力混合冷媒冷却プロセスおよびシステム | |
JP6702919B2 (ja) | 混合冷媒冷却プロセスおよびシステム | |
US10753676B2 (en) | Multiple pressure mixed refrigerant cooling process | |
US20100071409A1 (en) | Method and apparatus for liquefying a hydrocarbon stream | |
JP2021526625A (ja) | 高圧圧縮および膨張による天然ガスの前処理および前冷却 | |
JP2019066166A (ja) | 改善された複数の圧力混合冷媒冷却システム | |
JP6835903B2 (ja) | 気相冷媒を使用して炭化水素流を冷却するための改善された方法およびシステム | |
WO2016151636A1 (ja) | 天然ガスの製造システム及び製造方法 | |
RU2621572C2 (ru) | Способ обратного сжижения богатой метаном фракции | |
JP6517251B2 (ja) | 天然ガスの液化システム及び液化方法 | |
JP2022534587A (ja) | 高圧圧縮及び膨張による天然ガスの前処理及び予冷 | |
US20240125543A1 (en) | Reverse Brayton LNG Production Process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14873799 Country of ref document: EP Kind code of ref document: A1 |
|
REEP | Request for entry into the european phase |
Ref document number: 2014873799 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 139550140003003795 Country of ref document: IR Ref document number: 2014873799 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2934895 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15108042 Country of ref document: US Ref document number: 000954-2016 Country of ref document: PE |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: IDP00201604835 Country of ref document: ID |
|
ENP | Entry into the national phase |
Ref document number: 20167020287 Country of ref document: KR Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2016130314 Country of ref document: RU Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2014371866 Country of ref document: AU Date of ref document: 20141226 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 002091-2016 Country of ref document: PE |
|
WWE | Wipo information: entry into national phase |
Ref document number: IDP00201608502 Country of ref document: ID |