JP2010507771A - 炭化水素流を液化する方法及び装置 - Google Patents
炭化水素流を液化する方法及び装置 Download PDFInfo
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- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 126
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 126
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000003507 refrigerant Substances 0.000 claims abstract description 131
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000003345 natural gas Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims description 75
- 230000008569 process Effects 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 13
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 12
- 239000003949 liquefied natural gas Substances 0.000 description 11
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000001294 propane Substances 0.000 description 5
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- 239000001273 butane Substances 0.000 description 4
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- -1 H 2 O Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 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
- F25J1/02—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.
- F25J1/0294—Multiple compressor casings/strings in parallel, e.g. split arrangement
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
- F25J1/0042—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by liquid expansion with extraction of work
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—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
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
- F25J1/0057—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream after expansion of the liquid refrigerant stream with extraction of work
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0211—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
- F25J1/0214—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—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
- F25J1/0269—Arrangement of liquefaction units or equipments fulfilling the same process step, e.g. multiple "trains" concept
- F25J1/0271—Inter-connecting multiple cold equipments within or downstream of the cold box
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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
- F25J1/02—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
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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
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Abstract
【選択図】図1
Description
(a)少なくとも第1の炭化水素流と第2の炭化水素流とを得る工程;
(b)前記第1の炭化水素流を1個以上の第1熱交換器に通して第1の冷却された炭化水素流を得る工程;
(c)前記第2の炭化水素流を1個以上の第2熱交換器に通して第2の冷却された炭化水素流を得る工程;及び
(d)次に前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを液化する工程;
を少なくとも含む方法を提供する。
- 第1の炭化水素流を冷却して第1の冷却された炭化水素流を得るための1個以上の第1熱交換器;
- 第2の炭化水素流を冷却して第2の冷却された炭化水素流を得るための1個以上の第2熱交換器;
- 前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを液化するよう構成された少なくとも1個の液化システム;及び
- 一方の冷媒流が前記1個以上の第1熱交換器を冷却し、もう一方の冷媒流が前記1個以上の第2熱交換器を冷却する少なくとも2つの別々の冷媒流を含む冷媒回路;
を少なくとも備えた装置を提供する。
説明のため、1つの管路とその管路で運ばれる流れとに1つの参照番号を割り当てる。同じ参照番号は同種の構成要素、流れ又は管路を示す。
4 第2の冷却段階
10 供給原料流
12 第1熱交換器
12a 第2熱交換器
14 第1熱交換器
14a 第2熱交換器
15 ストリームスプリッタ
16 液化熱交換器
16a 液化熱交換器
20 第1の炭化水素流
20a 第2の炭化水素流
22 ガス/液体分離器
32 圧縮機
32a 圧縮機
34 冷却器
34a 冷却器
100 第1の冷媒回路
102 第2の冷媒回路
103 第3の冷媒回路
Claims (13)
- 少なくとも2つの天然ガス流など少なくとも2つの炭化水素流を液化する方法であって、
(a)少なくとも第1の炭化水素流と第2の炭化水素流とを得る工程;
(b)前記第1の炭化水素流を1個以上の第1熱交換器に通して第1の冷却された炭化水素流を得る工程;
(c)前記第2の炭化水素流を1個以上の第2熱交換器に通して第2の冷却された炭化水素流を得る工程;及び
(d)次に前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを液化する工程;
を少なくとも含み、工程(b)の前記1個以上の第1熱交換器と工程(c)の前記1個以上の第2熱交換器とに別々の冷媒流を通し、その後に前記冷媒流を圧縮し、圧縮された冷媒流を1個以上の共通冷却器において共に冷却することによって、冷媒回路が前記1個以上の第1熱交換器と前記1個以上の第2熱交換器とを冷却する、炭化水素を液化する方法。 - 工程(b)が前記第1の炭化水素流を2、3、4又は5個の第1熱交換器、好ましくは2個の第1熱交換器に通すことを含み、工程(c)が前記第2の炭化水素流を2、3、4又は5個の第2熱交換器、好ましくは2個の第2熱交換器に通すことを含む、請求項1に記載の方法。
- 前記その後に前記冷媒流を圧縮する工程が夫々の各冷媒流を別々に圧縮することからなる、請求項1又は請求項2に記載の方法。
- 別々に圧縮された冷媒を、前記1個以上の共通冷却器において共に冷却する前に結合することを更に含む、請求項3に記載の方法。
- 工程(b)と工程(c)が第1の冷却段階の一部を形成し、工程(d)が前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを第2の冷却段階において更に冷却することを含む、請求項1〜4のいずれか一項に記載の方法。
- 工程(d)の前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを別々の流れとして液化する、請求項1〜5のいずれか一項に記載の方法。
- 前記第1の炭化水素流と前記第2の炭化水素流が供給原料流であり、好ましくは1つの供給原料流から得られる、請求項1〜6のいずれか一項に記載の方法。
- 少なくとも2つの天然ガス流など少なくとも2つの炭化水素流を液化するための装置であって、
第1の炭化水素流を冷却して第1の冷却された炭化水素流を得るための1個以上の第1熱交換器;
第2の炭化水素流を冷却して第2の冷却された炭化水素流を得るための1個以上の第2熱交換器;
前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを液化するよう構成された少なくとも1個の液化システム;及び
一方の冷媒流が前記1個以上の第1熱交換器を冷却し、もう一方の冷媒流が前記1個以上の第2熱交換器を冷却する少なくとも2つの別々の冷媒流と、前記冷媒流を圧縮するための少なくとも1個の圧縮機と、圧縮された冷媒流を共に冷却するための1個以上の共通冷却器とを備えた冷媒回路;
を少なくとも含む装置。 - 供給原料流を少なくとも前記第1の炭化水素流と前記第2の炭化水素流とに分割するためのストリームスプリッタを更に備える、請求項8に記載の装置。
- 個々の冷媒流の各々に少なくとも1個の独立した圧縮機を更に備える、請求項8又は請求項9に記載の装置。
- 前記独立した圧縮機の下流で且つ前記1個以上の共通冷却器の上流に配置され、圧縮された個々の冷媒流を結合するための結合器を更に備える、請求項10に記載の装置。
- 少なくとも2つの天然ガス流など少なくとも2つの炭化水素流を液化する方法であって、
(a)少なくとも第1の炭化水素流と第2の炭化水素流とを得る工程;
(b)前記第1の炭化水素流を1個以上の第1熱交換器に通して第1の冷却された炭化水素流を得る工程;
(c)前記第2の炭化水素流を1個以上の第2熱交換器に通して第2の冷却された炭化水素流を得る工程;及び
(d)次に前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを液化する工程;
を少なくとも含み、工程(b)の前記1個以上の第1熱交換器と工程(c)の前記1個以上の第2熱交換器とに別々の冷媒流を通し、個々の冷媒の各々をそれぞれ前記少なくとも1個の第1熱交換器と前記少なくとも1個の第2熱交換器に通した後に別々に圧縮し、圧縮された個々の冷媒流を結合することによって、冷媒回路が前記1個以上の第1熱交換器と前記1個以上の第2熱交換器とを冷却する、炭化水素を液化する方法。 - 少なくとも2つの天然ガス流など少なくとも2つの炭化水素流を液化するための装置であって、
第1の炭化水素流を冷却して第1の冷却された炭化水素流を得るための1個以上の第1熱交換器;
第2の炭化水素流を冷却して第2の冷却された炭化水素流を得るための1個以上の第2熱交換器;
前記第1の冷却された炭化水素流と前記第2の冷却された炭化水素流とを液化するよう構成された少なくとも1個の液化システム;及び
一方の冷媒流が前記1個以上の第1熱交換器を冷却し、もう一方の冷媒流が前記1個以上の第2熱交換器を冷却する少なくとも2つの別々の冷媒流と、個々の冷媒流の各々における少なくとも1個の独立した圧縮機と、前記独立した圧縮機の下流に配置され、圧縮された個々の冷媒流を結合するための結合器とを備えた冷媒回路;
を少なくとも含む装置。
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EP06122725 | 2006-10-23 | ||
PCT/EP2007/061316 WO2008049821A2 (en) | 2006-10-23 | 2007-10-23 | Method and apparatus for liquefying hydrocarbon streams |
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EP (1) | EP2104824A2 (ja) |
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WO2015115030A1 (en) * | 2014-01-31 | 2015-08-06 | Jgc Corporation | Liquefied gas producing facility and liquefied gas producing method |
JP2019095175A (ja) * | 2017-11-27 | 2019-06-20 | エア プロダクツ アンド ケミカルズ インコーポレイテッドAir Products And Chemicals Incorporated | 炭化水素ストリームを冷却するための改良された方法およびシステム |
JP2021508023A (ja) * | 2017-12-22 | 2021-02-25 | 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 | Lngトレインの障害を除去するシステム及び方法 |
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WO2012023752A2 (ko) * | 2010-08-16 | 2012-02-23 | 한국가스공사연구개발원 | 천연가스 액화공정 |
AP2016009072A0 (en) * | 2013-09-13 | 2016-03-31 | Shell Int Research | Natural gas liquefaction system and method of producing a liquefied natural gas stream |
US20150153100A1 (en) * | 2013-12-04 | 2015-06-04 | General Electric Company | System and method for hybrid refrigeration gas liquefaction |
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RU2463535C2 (ru) | 2012-10-10 |
EP2104824A2 (en) | 2009-09-30 |
RU2009119472A (ru) | 2010-11-27 |
WO2008049821A2 (en) | 2008-05-02 |
WO2008049821A3 (en) | 2009-08-13 |
US20100319396A1 (en) | 2010-12-23 |
AU2007310940A1 (en) | 2008-05-02 |
AU2007310940B2 (en) | 2010-11-11 |
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