JP2018528114A - エンジンを備えた船舶 - Google Patents
エンジンを備えた船舶 Download PDFInfo
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- JP2018528114A JP2018528114A JP2018500467A JP2018500467A JP2018528114A JP 2018528114 A JP2018528114 A JP 2018528114A JP 2018500467 A JP2018500467 A JP 2018500467A JP 2018500467 A JP2018500467 A JP 2018500467A JP 2018528114 A JP2018528114 A JP 2018528114A
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- 230000006837 decompression Effects 0.000 claims abstract description 30
- 239000003507 refrigerant Substances 0.000 claims abstract description 15
- 238000001704 evaporation Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 247
- 239000007788 liquid Substances 0.000 claims description 51
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 50
- 239000003949 liquefied natural gas Substances 0.000 claims description 27
- 239000003345 natural gas Substances 0.000 claims description 21
- 239000000446 fuel Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 description 34
- 230000006835 compression Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0209—Hydrocarbon fuels, e.g. methane or acetylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
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- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
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- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
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- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0287—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers characterised by the transition from liquid to gaseous phase ; Injection in liquid phase; Cooling and low temperature storage
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- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
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- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
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- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/043—Localisation of the removal point in the gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/033—Treating the boil-off by recovery with cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/036—Treating the boil-off by recovery with heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/037—Treating the boil-off by recovery with pressurising
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/038—Treating the boil-off by recovery with expanding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/066—Fluid distribution for feeding engines for propulsion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/07—Generating electrical power as side effect
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- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
Description
Claims (20)
- 貯蔵タンクから排出される蒸発ガスを熱交換させる第1自家熱交換器;
前記貯蔵タンクから排出された後に前記第1自家熱交換器を通過した蒸発ガスを多段階で圧縮する多段圧縮機;
前記多段圧縮機で圧縮された蒸発ガスの一部を膨張させる第1減圧装置;
前記多段圧縮機で圧縮された蒸発ガスの他の一部を、前記第1減圧装置で膨張された蒸発ガスと熱交換させる第2自家熱交換器;及び
前記第2自家熱交換器で予冷されて前記第1自家熱交換器で冷却された蒸発ガスを膨張させる第2減圧装置;を備え、
前記第1自家熱交換器は、前記貯蔵タンクから排出される蒸発ガスを冷媒として、前記多段圧縮機で圧縮された後に前記第2自家熱交換器を通過した蒸発ガスを冷却する、エンジンを備えた船舶。 - 前記第2減圧装置を通過した気液混合状態の蒸発ガスは、前記貯蔵タンクに送られることを特徴とする請求項1に記載のエンジンを備えた船舶。
- 前記第2減圧装置の下流に設置されて再液化された液化天然ガスと気体状態の蒸発ガスとを分離する気液分離器をさらに備え、
前記気液分離器で分離された液化天然ガスは前記貯蔵タンクに送られ、
前記気液分離器で分離された気体状態の蒸発ガスは前記第1自家熱交換器に送られることを特徴とする請求項1に記載のエンジンを備えた船舶。 - 前記多段圧縮機を通過した蒸発ガスの一部は高圧エンジンに送られることを特徴とする請求項1に記載のエンジンを備えた船舶。
- 前記高圧エンジンはME−GIエンジンであることを特徴とする請求項4に記載のエンジンを備えた船舶。
- 前記高圧エンジンは150〜400barの圧力の天然ガスを燃料として使用する請求項4に記載のエンジンを備えた船舶。
- 前記第1減圧装置及び前記第2自家熱交換器を通過した蒸発ガスは、発電機及び低圧エンジンのいずれか1つ以上に送られることを特徴とする請求項1に記載のエンジンを備えた船舶。
- 前記低圧エンジンは、DFエンジン、X−DFエンジン、ガスタービンのいずれか1つであることを特徴とする請求項7に記載のエンジンを備えた船舶。
- 前記低圧エンジンは6〜20barの圧力の天然ガスを燃料として使用することを特徴とする請求項7に記載のエンジンを備えた船舶。
- 前記低圧エンジンは55barの圧力の天然ガスを燃料として使用することを特徴とする請求項7に記載のエンジンを備えた船舶。
- 前記発電機は6〜10barの圧力の天然ガスを燃料として使用することを特徴とする請求項7に記載のエンジンを備えた船舶。
- 前記多段圧縮機は、蒸発ガスを臨界点以上の圧力まで圧縮することを特徴とする請求項1に記載のエンジンを備えた船舶。
- 前記多段圧縮機は、蒸発ガスを100bar以上の圧力まで圧縮することを特徴とする請求項12に記載のエンジンを備えた船舶。
- 前記気液分離器で分離されて前記第1自家熱交換器に送られる気体状態の蒸発ガスの流量を調節するバルブをさらに備える請求項3に記載のエンジンを備えた船舶。
- 前記第1減圧装置及び前記第2自家熱交換器を通過した蒸発ガスを前記発電機に送るライン上に設置される、加熱器をさらに備える請求項7に記載のエンジンを備えた船舶。
- 1)貯蔵タンクから排出された蒸発ガスを多段階で圧縮し、
2)前記多段階で圧縮された蒸発ガスの一部を分岐させて(以下、「a流れ」という。)膨張させ、
3)前記1)ステップにおいて多段階で圧縮された蒸発ガスの他の一部(以下、「b流れ」という。)を、前記2)ステップで膨張させた前記a流れと熱交換させ、
4)前記3)ステップで前記a流れと熱交換させた前記b流れを前記貯蔵タンクから排出された蒸発ガスと第1自家熱交換器で熱交換させ、
5)前記4)ステップで前記貯蔵タンクから排出された蒸発ガスと熱交換された前記b流れを膨張させる、方法。 - 6)前記5)ステップで膨張された後に一部液化されたb流れを、液化天然ガスと気体状態の蒸発ガスに分離し、
7)前記6)ステップで分離された液化天然ガスは前記貯蔵タンクに送り、前記6)ステップで分離された気体状態の蒸発ガスは前記貯蔵タンクから排出される蒸発ガスと合流させて前記第1自家熱交換器に送ることを特徴とする、請求項16に記載の方法。 - 前記1)ステップにおいて多段階で圧縮された蒸発ガスの一部を高圧エンジンに送ることを特徴とする請求項16に記載の方法。
- 前記3)ステップで前記b流れと熱交換された前記a流れを発電機に送ることを特徴とする請求項16に記載の方法。
- 前記3)ステップで前記b流れと熱交換された前記a流れを低圧エンジン及び発電機のいずれか1つ以上に送ることを特徴とする請求項16に記載の方法。
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