JP2019534984A - 天然ガスの液化のための分割された冷媒圧縮機 - Google Patents
天然ガスの液化のための分割された冷媒圧縮機 Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 70
- 239000003507 refrigerant Substances 0.000 title claims description 64
- 239000003345 natural gas Substances 0.000 title claims description 35
- 239000007789 gas Substances 0.000 claims description 196
- 239000012530 fluid Substances 0.000 claims description 17
- 230000036961 partial effect Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 109
- 239000001294 propane Substances 0.000 description 54
- 239000003949 liquefied natural gas Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
- F04D29/5833—Cooling at least part of the working fluid in a heat exchanger flow schemes and regulation thereto
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
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- 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
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- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- 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
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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
- F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
- F25J1/008—Hydrocarbons
- F25J1/0087—Propane; Propylene
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- 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
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- 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
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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.
- F25J1/0281—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. characterised by the type of prime driver, e.g. hot gas expander
- F25J1/0283—Gas turbine as the prime mechanical driver
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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
- 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
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- 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.
- F25J1/0295—Shifting of the compression load between different cooling stages within a refrigerant cycle or within a cascade refrigeration system
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- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/12—Kind or type gaseous, i.e. compressible
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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
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Abstract
Description
異なる圧力レベルの第1の複数のガス流を第1の圧縮機装置の第1の複数のガス入口に送るステップと、
異なる圧力レベルの第2の複数のガス流を第2の圧縮機装置の第2の複数のガス入口に送るステップと、
第1の圧縮機装置の吐出部から部分的に圧縮されたガスを第2の圧縮機装置の第2の複数のガス入口の1つに送るステップと、
第2の圧縮機装置のガス出口から完全に圧縮されたガス流を送るステップと
を含む。
圧縮機システムから圧縮された冷媒流をヒートシンクに送って、それから熱を除去するステップと、
ヒートシンクからの冷媒流を、第1の複数の部分流および第2の複数の部分流に分けるステップと、
各部分流をそれぞれの圧力レベルで膨張させ、それによって、各部分流は、他の部分流とは異なる圧力レベルに膨張されるステップと、
部分流によって第2の冷媒、および天然ガスラインを流れる天然ガスのうちの少なくとも1つから熱を除去するステップと、
第1の複数の部分流を圧縮機システムの第1の圧縮機装置のそれぞれの複数の第1のガス入口に導入するステップ、ならびに、第2の複数の部分流を圧縮機システムの第2の圧縮機装置のそれぞれの複数の第2のガス入口に導入するステップと、
第1の圧縮機装置によって圧縮された冷媒を第2の圧縮機装置の複数の第2のガス入口の1つに導入するステップと
を含む。
3 プロパン予冷却セクション
5 混合冷媒セクション
7 主ライン
7A 天然ガス入口
7B 液化天然ガス出口
9A 混合冷媒圧縮機
9B 混合冷媒圧縮機
9C 混合冷媒圧縮機
11 駆動機
13 駆動機
15 主深冷熱交換器(MCHE)
17A 予冷却熱交換器
17B 予冷却熱交換器
17C 予冷却熱交換器
17D 予冷却熱交換器
19A 予冷却熱交換器
19B 予冷却熱交換器
19C 予冷却熱交換器
19D 予冷却熱交換器
21 プロパン圧縮機システム
22A ガス入口
22B ガス入口
22C ガス入口
22D ガス入口
23 出口
25 熱交換器
27 凝縮器
29 熱交換器
31A 膨張弁
31B 膨張弁
31C 膨張弁
31D 膨張弁
33A 膨張弁
33B 膨張弁
33C 膨張弁
33D 膨張弁
51 第1の圧縮機装置
51.1 第1の圧縮機段
51.2 第2の圧縮機段
52 吐出部
53 第2の圧縮機装置
53.1 第3の圧縮機段
53.2 第4の圧縮機段
61 圧縮機ケーシング
62 ケーシング
63 圧縮機ケーシング
65 駆動機
65A 駆動機
65B 駆動機
67 軸
67A 軸
67B 軸
69 ギヤボックス
121 圧縮機システム
122A ガス入口
122B ガス入口
122C ガス入口
122D ガス入口
123 出口
141 圧縮機
141A 圧縮機
141B 圧縮機
I1 第1のガス入口
I2 第2のガス入口
I3 第3のガス入口
I4 第4のガス入口
Claims (15)
- 少なくとも、第1のガス圧力レベルの第1のガス入口(22C)、第2のガス圧力レベルの第2のガス入口(22B)、およびガス吐出部(52)を有する第1の直通圧縮機装置(51)と、
少なくとも、第3のガス圧力レベルの第3のガス入口(22D)、第4のガス圧力レベルの第4のガス入口(22A)、およびガス出口(23)を有し、前記第4のガス圧力レベルが前記第3のガス圧力レベルより高い、第2の圧縮機装置(53)と
を備え、
前記第1の圧縮機装置(51)の前記ガス吐出部(52)が、前記第2の圧縮機装置(53)の前記第4のガス入口(22A)に流体結合されている、圧縮機システム(21)。 - 前記第4のガス圧力レベルが前記第1のガス圧力レベルより高い、および/または、前記第2のガス圧力レベルより高い、請求項1記載の圧縮機システム(21)。
- 前記第2のガス圧力レベルが前記第1のガス圧力レベルより高い、および/または、前記第4のガス圧力レベルより低い、請求項1または2記載の圧縮機システム(21)。
- 前記第4のガス入口(22A)で、ガスサイドストリームが前記第1の圧縮機装置(51)の前記ガス吐出部(52)と合流する、請求項1、2、または3記載の圧縮機システム(21)。
- 前記第1の圧縮機装置(51)が第1のケーシング(61)に収められ、前記第2の圧縮機装置(53)が第2のケーシング(63)に収められた、請求項1乃至4のうちの1つまたは複数記載の圧縮機システム(21)。
- 前記第1の圧縮機装置(51)と前記第2の圧縮機装置(53)とが共通のケーシング(62)に収められた、請求項1乃至4のうちの1つまたは複数記載の圧縮機システム(21)。
- 前記第1の圧縮機装置(51)が第1の複数のインペラを備え、前記第2の圧縮機装置(53)が第2の複数のインペラを備え、前記第1の複数のインペラと前記第2の複数のインペラとが直列に、好ましくは、背中合せ配置で配置された、請求項6記載の圧縮機システム(21)。
- 前記第1の圧縮機装置(51)と前記第2の圧縮機装置(53)とが、実質的に同じ回転速度で回転するように配置および制御された、請求項1乃至7のうちの1つまたは複数記載の圧縮機システム(21)。
- 前記第1の圧縮機装置(51)と前記第2の圧縮機装置(53)とが異なる回転速度で回転するように配置および制御された、請求項1乃至7のうちの1つまたは複数記載の圧縮機システム(21)。
- 前記第1の圧縮機装置(51)と前記第2の圧縮機装置(53)との間に配置されたギヤボックス(69)をさらに備えた、請求項9記載の圧縮機システム(21)。
- 前記第1の圧縮機装置(51)が第1の駆動機(65A)によって駆動され、前記第2の圧縮機装置(53)が第2の駆動機(65B)によって駆動される、請求項9記載の圧縮機システム(21)。
- 天然ガスライン(7)と、
圧縮機システム(21)、前記圧縮機システム(21)によって送られた冷媒流体から熱をヒートシンクに排出するための高温熱交換器装置、前記冷媒流体が、第2の冷媒、および前記天然ガスライン(7)を流れる天然ガスのうちの少なくとも1つと熱交換関係にあって、それから熱を除去する、低温熱交換器装置から構成される少なくとも第1の冷媒回路と
を備え、
前記圧縮機システム(21)が、請求項1乃至11のうちの1つまたは複数によって構成された、天然ガス液化用冷媒システム。 - 前記低温熱交換器装置が複数の熱交換器を備え、それを通って、前記冷媒流体が、前記第2の冷媒および前記天然ガスのうちの少なくとも1つと熱交換関係で流れ、前記熱交換器が、徐々に下がる冷媒圧力レベルで動作し、各熱交換器が前記圧縮機システム(21)の前記ガス入口の1つに流体結合されている、請求項12記載の冷媒システム。
- 異なる圧力レベルの第1の複数のガス流を第1の直通圧縮機装置(51)の第1の複数のガス入口に送るステップであって、前記第1の複数のガス流が、少なくとも、第1のガス圧力レベルの第1のガス入口(22C)および第2のガス圧力レベルの第2のガス入口(22B)を含む、ステップと、
異なる圧力レベルの第2の複数のガス流を第2の圧縮機装置(53)の第2の複数のガス入口に送るステップであって、前記第2の複数のガス流が、少なくとも、第3のガス圧力レベルの第3のガス入口(22D)および第4のガス圧力レベルの第4のガス入口(22A)を含み、前記第4のガス圧力レベルが前記第3の圧力レベルより高い、ステップと、
前記第1の圧縮機装置(51)の吐出部(52)から部分的に圧縮されたガスを前記第2の圧縮機装置(53)の前記第4のガス入口(22A)に送るステップと、
前記第2の圧縮機装置(53)のガス出口(23)から完全に圧縮されたガス流を送るステップと
を含む、ガス流体を圧縮するための方法。 - 圧縮機システム(21)から圧縮された冷媒流をヒートシンクに送って、それから熱を除去するステップと、
前記ヒートシンクからの前記冷媒流を、第1の複数の部分流および第2の複数の部分流に分けるステップと、
各部分流をそれぞれの圧力レベルで膨張させるステップと、
前記部分流によって第2の冷媒、および天然ガスラインを流れる天然ガスのうちの少なくとも1つから熱を除去するステップと、
前記第1の複数の部分流を前記圧縮機システム(21)の第1の直通圧縮機装置(51)のそれぞれの複数の第1のガス入口に導入するステップであって、前記第1の複数のガス流が、少なくとも、第1のガス圧力レベルの第1のガス入口(22C)および第2のガス圧力レベルの第2のガス入口(22B)を含む、ステップ、ならびに、前記第2の複数の部分流を前記圧縮機システム(21)の第2の圧縮機装置(53)のそれぞれの複数の第2のガス入口に導入するステップであって、前記第2の複数のガス流が、少なくとも、第3のガス圧力レベルの第3のガス入口(22D)および第4のガス圧力レベルの第4のガス入口(22A)を含み、前記第4のガス圧力レベルが前記第3のガス圧力レベルより高い、ステップと、
前記第1の直通圧縮機装置(51)によって圧縮された冷媒を前記第2の圧縮機装置(53)の前記第4のガス入口(22A)に導入するステップと
を含む天然ガス液化方法。
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