WO2017099317A1 - 엔진을 포함하는 선박 - Google Patents
엔진을 포함하는 선박 Download PDFInfo
- Publication number
- WO2017099317A1 WO2017099317A1 PCT/KR2016/006970 KR2016006970W WO2017099317A1 WO 2017099317 A1 WO2017099317 A1 WO 2017099317A1 KR 2016006970 W KR2016006970 W KR 2016006970W WO 2017099317 A1 WO2017099317 A1 WO 2017099317A1
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- WIPO (PCT)
- Prior art keywords
- gas
- heat exchanger
- self
- boil
- engine
- Prior art date
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- 239000012530 fluid Substances 0.000 claims abstract description 36
- 239000003507 refrigerant Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 24
- 230000006837 decompression Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 105
- 238000007906 compression Methods 0.000 description 27
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 20
- 239000003949 liquefied natural gas Substances 0.000 description 17
- 230000006835 compression Effects 0.000 description 15
- 239000000446 fuel Substances 0.000 description 12
- 239000003345 natural gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
- F25J1/0025—Boil-off gases "BOG" from storages
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- 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
- B63B25/14—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed pressurised
-
- 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
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/082—Mounting arrangements for vessels for large sea-borne storage vessels
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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
- F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
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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
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
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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
- 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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- 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"
- F25J1/004—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 flash gas recovery
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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"
- F25J1/0045—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 vaporising a liquid return stream
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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
- F25J1/0201—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 only internal refrigeration means, i.e. without external refrigeration
- F25J1/0202—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 only internal refrigeration means, i.e. without external refrigeration in a quasi-closed internal refrigeration loop
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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
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0229—Integration with a unit for using hydrocarbons, e.g. consuming hydrocarbons as feed stock
- F25J1/023—Integration with a unit for using hydrocarbons, e.g. consuming hydrocarbons as feed stock for the combustion as fuels, i.e. integration with the fuel gas system
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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
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0275—Construction and layout of liquefaction equipments, e.g. valves, machines adapted for special use of the liquefaction unit, e.g. portable or transportable devices
- F25J1/0277—Offshore use, e.g. during shipping
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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
- 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
- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0115—Single phase dense or supercritical, i.e. at high pressure and high density
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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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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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
- F17C2265/038—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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- 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
- 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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- 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
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
- F17C2270/0581—Power plants
Definitions
- the present invention relates to a ship including an engine, and more particularly, liquefied liquefied natural gas using the evaporated gas remaining as the fuel of the engine and the evaporated gas itself as a refrigerant, and then returned to the storage tank. It is about a ship containing an engine, sending.
- Natural gas is usually liquefied and transported over long distances in the form of Liquefied Natural Gas (LNG).
- Liquefied natural gas is obtained by cooling natural gas to an extremely low temperature of about -163 ° C., and its volume is drastically reduced compared to that of gas, so it is very suitable for long distance transportation through sea.
- the boil-off gas When the pressure of the storage tank exceeds the set safety pressure due to the generation of the boil-off gas, the boil-off gas is discharged to the outside of the storage tank through the safety valve.
- the boil-off gas discharged out of the storage tank is used as fuel for the ship or liquefied and returned to the storage tank.
- engines that can use natural gas as fuel among engines used in ships generally include a DF (Dual Fuel) engine and a ME-GI engine.
- the DF engine is composed of four strokes and adopts the Otto Cycle, which injects natural gas with a relatively low pressure of about 6.5 bar into the combustion air inlet and compresses the piston as it rises.
- the ME-GI engine is composed of two strokes and employs a diesel cycle that directly injects high pressure natural gas near 300 bar into the combustion chamber near the top dead center of the piston. Recently, there has been a growing interest in ME-GI engines with better fuel efficiency and propulsion efficiency.
- the boil-off gas reliquefaction apparatus has a refrigeration cycle, and the boil-off gas is re-liquefied by cooling the boil-off gas by this freezing cycle.
- heat exchange with the cooling fluid is carried out, and a partial re-liquefaction system (PRS) which uses boil-off gas as a cooling fluid and heat-exchanges itself is used.
- PRS partial re-liquefaction system
- FIG. 1 is a schematic diagram of a partial reliquefaction system applied to a vessel including a conventional high pressure engine.
- a partial reliquefaction system applied to a ship including a conventional high pressure engine may include a self-heat exchanger 410 after passing an evaporated gas discharged from the storage tank 100 through the first valve 610. Send to).
- the boil-off gas discharged from the storage tank 100 heat-exchanged as the refrigerant in the self-heat exchanger 410 is a plurality of compression cylinders (210, 220, 230, 240, 250) and a plurality of coolers (310, 320, 330, 340).
- a multi-stage compression process by the multi-stage compressor 200 including 350, some are sent to the high-pressure engine to be used as fuel, and the other is sent back to the self-heat exchanger 410, from the storage tank 100 It is cooled by heat exchange with the discharged evaporated gas.
- the boil-off gas cooled by the self-heat exchanger 410 is partially liquefied through the decompression device 720, and liquefied natural gas and gaseous state re-liquefied by the gas-liquid separator 500.
- the remaining boil off gas is separated.
- the liquefied natural gas separated by the gas-liquid separator 500 is sent to the storage tank 100, and the vaporized gaseous gas separated by the gas-liquid separator 500 passes through the second valve 620 and the storage tank 100. It is integrated with the boil-off gas discharged from) and sent to the self-heat exchanger 410.
- FIG. 2 is a schematic diagram of a partial reliquefaction system applied to a vessel including a conventional low pressure engine.
- the partial reliquefaction system applied to the ship including the conventional low pressure engine is the same as the partial reliquefaction system applied to the ship including the conventional high pressure engine, and evaporated from the storage tank 100.
- the gas is passed through the first valve 610 to the self heat exchanger 410.
- the boil-off gas passing through the self-heat exchanger 410 is subjected to a multi-stage compression process by the multi-stage compressors 201 and 202, as in the case of including the high-pressure engine shown in FIG. ),
- the evaporated gas discharged from the storage tank 100 is cooled by heat exchange with a refrigerant.
- the boil-off gas cooled by the self-heat exchanger 410 is partially liquefied through the decompression device 720 as in the case of including the high-pressure engine shown in FIG. 1, and the gas-liquid separator
- the liquefied natural gas re-liquefied by the 500 and the evaporated gas remaining in the gaseous state is separated, the liquefied natural gas separated by the gas-liquid separator 500 is sent to the storage tank 100, the gas-liquid separator 500
- the gaseous boil-off gas separated by the gas is passed through the second valve 620 and integrated with the boil-off gas discharged from the storage tank 100 and sent to the self-heat exchanger 410.
- the evaporation gas passed through only a part of the multi-stage compression process is branched and sent to the generator and / or the engine, and all the evaporated gas passed through the multi-stage compression process is sent to the self-heat exchanger 410. Since low pressure engines require natural gas at a pressure similar to that required by the generator, the low pressure engine supplies both the low pressure engine and the generator with boil-off gas that has undergone some compression.
- the branched portion is sent to the generator and / or the engine, and the remaining boil-off gas is transferred by the second multistage compressor 202 having a small capacity. After further compression it was sent to a self-heat exchanger (410).
- the partial reliquefaction system applied to the ship including the conventional low pressure engine the cost increases as the capacity of the compressor increases, so that the capacity of the compressor is optimized according to the required amount of compression, two multistage compressors (201, 202) There was a disadvantage that maintenance is cumbersome.
- the present invention focuses on the fact that branching off a relatively low pressure boil-off gas is sent to the generator (in the case of a low-pressure engine to the generator and / or the engine), the boil-off gas which has undergone the multi-stage compression process, It is an object of the present invention to provide a vessel comprising an engine which, before being sent to the heat exchanger 410, is precooled by heat exchange with boil-off gas having a low pressure and a low temperature.
- a first self-heat exchanger for heat-exchanging the boil-off gas discharged from the storage tank;
- a multistage compressor for compressing the evaporated gas discharged from the storage tank and passing through the first self-heat exchanger in multiple stages;
- a second self heat exchanger for precooling the boil-off gas compressed by the multistage compressor;
- a first pressure reducing device for expanding a 'part of' the fluid cooled by the second self heat exchanger and the first self heat exchanger;
- a second decompression device for expanding the 'other part' of the fluid cooled by the second self-heat exchanger and the first self-heat exchanger, wherein the first self-heat exchanger is an evaporated gas discharged from the storage tank.
- the second self-heat exchanger is a refrigerant expanded by the first pressure reducing device as a refrigerant,
- a vessel comprising an engine for cooling the boil-off gas compressed by a multistage compressor.
- the fluid passing through the second decompression device may be directly sent to the storage tank.
- the vessel including the engine may further include a gas-liquid separator installed at a rear end of the second decompression device to separate the liquefied liquefied gas and the gaseous evaporated gas, and the liquefied gas separated by the gas-liquid separator
- the gaseous evaporated gas separated by the gas-liquid separator may be sent to the storage tank, and may be sent to the first self-heat exchanger.
- Part of the boil-off gas passing through the multi-stage compressor may be sent to the high pressure engine.
- the boil-off gas passing through the first pressure reducing device and the second self-heat exchanger may be sent to one or more of a generator and a low pressure engine.
- the heater may further include a heater installed on the line.
- step 7) it is possible to separate the liquefied gas and the liquefied gas remaining in the gaseous state after swelling in step 6), and 8) the liquefied gas separated in step 7) can be sent to the storage tank,
- the gaseous evaporated gas separated in step 7) may be combined with the evaporated gas discharged from the storage tank and sent to the first self-heat exchanger.
- step 1) a part of the boil-off gas compressed in multiple stages may be sent to the high pressure engine.
- the fluid used as the refrigerant for heat exchange in step 2) may be sent to at least one of a generator and a low pressure engine.
- the re-liquefaction efficiency can be increased by heat exchange of the evaporated gas having a lower temperature through a pre-cooling process in a self-heat exchanger, and even if a low pressure engine is installed, There is an advantage that maintenance is easy.
- FIG. 1 is a schematic diagram of a partial reliquefaction system applied to a vessel including a conventional high pressure engine.
- FIG. 2 is a schematic diagram of a partial reliquefaction system applied to a vessel including a conventional low pressure engine.
- FIG. 3 is a schematic structural diagram of a partial reliquefaction system applied to a ship including a high pressure engine according to a preferred embodiment of the present invention.
- FIG. 4 is a schematic diagram of a partial reliquefaction system applied to a ship including a low pressure engine according to a preferred embodiment of the present invention.
- 5 is a graph schematically showing the phase change of methane with temperature and pressure.
- the fluid flowing through each flow path may be in a gaseous state, a gas-liquid mixed state, a liquid state, or a supercritical fluid state, depending on operating conditions of the system.
- FIG. 3 is a schematic structural diagram of a partial reliquefaction system applied to a ship including a high pressure engine according to a preferred embodiment of the present invention.
- the vessel including the engine of the present embodiment includes a first self heat exchanger 410, a multistage compressor 200, a second self heat exchanger 420, a first pressure reducing device 710, and a first self-heat exchanger 710.
- 2 includes a decompression device 720.
- the first self heat exchanger 410 of the present embodiment is a fluid that is precooled by the second self heat exchanger 420 after being compressed by the multi-stage compressor 200 with the evaporated gas discharged from the storage tank 100 as a refrigerant. (L1) is cooled by heat exchange.
- Self- of the self-heat exchanger means that the low-temperature evaporation gas itself is used as a cooling fluid to exchange heat with the high-temperature evaporation gas.
- the multistage compressor 200 of the present embodiment compresses the boil-off gas passed through the first self-heat exchanger 410 after being discharged from the storage tank 100 in multiple stages.
- the multistage compressor 200 according to the present embodiment includes a plurality of compression cylinders 210, 220, 230, 240 and 250 for compressing the boil-off gas, and a plurality of compression cylinders 210, 220, 230, 240 and 250, respectively. It is installed, and includes a plurality of coolers (310, 320, 330, 340, 350) for cooling the boil-off gas is compressed by the compression cylinder (210, 220, 230, 240, 250) and the temperature as well as the pressure is raised.
- the multistage compressor 200 includes five compression cylinders 210, 220, 230, 240, 250 and five coolers 310, 320, 330, 340, 350.
- the case where the boil-off gas passes through the compression process of five steps is described as an example, but is not limited thereto.
- the second self-heat exchanger 420 of the present embodiment heat-exchanges a part L1 of the boil-off gas compressed by the multistage compressor 200 with the refrigerant L2 expanded by the first pressure reducing device 710 as a refrigerant. To cool.
- the multi-stage compressor 200 depressurizes the boil-off gas compressed by the high pressure engine or higher by the first decompression device 710 to send it to the generator, and decompresses the gas by the first decompression device 710.
- Cold heat of the fluid L2 having a lower temperature as well as pressure is utilized by the second self-heat exchanger 420.
- the boil-off gas compressed by the multi-stage compressor 200 undergoes a pre-cooling process in the second self-heat exchanger 420 before it is cooled in the first self-heat exchanger 410, according to the ship including the engine of the present embodiment, The reliquefaction efficiency and the amount of reliquefaction can be increased.
- a pressure reducing device (not shown) is installed in front of the high pressure engine to reduce the pressure required by the high pressure engine, and then supply the boil-off gas to the high pressure engine.
- the first pressure reducing device 710 of the present embodiment is partially branched among the fluid L1 passed through the second self heat exchanger 420 and the first self heat exchanger 410 after being compressed by the multistage compressor 200. Inflate fluid L2 to the pressure required by the generator.
- the second decompression device 720 of the present embodiment is the first decompression of the fluid L1 passed through the second self-heat exchanger 420 and the first self-heat exchanger 410 after being compressed by the multistage compressor 200.
- the remaining fluid not sent to the device 710 is expanded to reliquefy.
- the first pressure reducing device 710 and the second pressure reducing device 720 may be an expander or an expansion valve.
- the vessel including the engine of the present embodiment is compressed by the multistage compressor 200, cooled by the second self heat exchanger 420 and the first self heat exchanger 410, and by the second decompression device 720. It may further include a gas-liquid separator 500 for separating the reliquefied liquefied natural gas and the boil-off gas remaining in the gaseous state through the expansion process.
- the liquefied natural gas separated by the gas-liquid separator 500 may be sent to the storage tank 100, and the vaporized gaseous gas separated by the gas-liquid separator 500 may be transferred from the storage tank 100 to the first self-heat exchanger. 410 may be sent on a line sending the boil-off gas.
- the ship including the engine of the present embodiment, the first valve 610 for blocking the boil-off gas discharged from the storage tank 100 if necessary; And a heater 800 for increasing the temperature of the boil-off gas sent to the generator after passing through the first pressure reducing device 710 and the second self-heat exchanger 420. It may further comprise one or more of.
- the first valve 610 may be normally maintained in an open state, and may be closed when necessary for management and maintenance work of the storage tank 100.
- the vessel including the engine of the present embodiment includes the gas-liquid separator 500
- the vessel including the engine of the present embodiment is separated by the gas-liquid separator 500 and sent to the first self-heat exchanger 410.
- The may further include a second valve 620 for adjusting the flow rate of the gaseous evaporated gas.
- the flow of the fluid in this embodiment is as follows.
- the temperature and pressure of the boil-off gas to be described below are approximate theoretical values, and may vary according to the temperature of the boil-off gas, the required pressure of the engine, the design method of the multistage compressor, the speed of the ship, and the like.
- FIG. 4 is a schematic diagram of a partial reliquefaction system applied to a ship including a low pressure engine according to a preferred embodiment of the present invention.
- the distinction between the high pressure engine included in the vessel to which the partial reliquefaction system shown in FIG. 3 is applied and the low pressure engine included in the vessel to which the partial reliquefaction system shown in FIG. It depends on whether the engine uses fuel. That is, an engine using natural gas with a pressure above the critical point as a fuel is called a high pressure engine, and an engine using natural gas with a pressure below the critical point as a fuel is called a low pressure engine.
- the high pressure engine of the present invention may be a ME-GI engine using approximately 150 to 400 bar of boil-off gas as fuel
- the low pressure engine of the present invention may be an X-DF engine or approximately 16 bar of boil-off gas as fuel. It may be a DF engine using 6 to 10 bar of boil-off gas as fuel.
- the low pressure engine of the present invention may be a gas turbine.
- the vessel including the engine of the present embodiment includes a first self heat exchanger 410, a multistage compressor 200, and a second self heat exchanger, similarly to the case of including the high pressure engine illustrated in FIG. 3. 420, a first pressure reducing device 710, and a second pressure reducing device 720.
- the evaporated gas discharged from the storage tank 100 is a refrigerant and compressed by the multistage compressor 200. After cooling the fluid (L1) pre-cooled by the second self-heat exchanger (420).
- the multi-stage compressor 200 may compress the evaporated gas passed through the first self-heat exchanger 410 after being discharged from the storage tank 100 in multiple stages. And a plurality of compression cylinders 210, 220, 230, 240, and 250 and a plurality of coolers 310, 320, 330, 340, and 350.
- the multistage compressor 200 of the present embodiment compresses the boil-off gas above the pressure required by the generator for heat exchange efficiency in the first self-heat exchanger 410 and the second self-heat exchanger 420, preferably above the critical point. Let's do it.
- the multi-stage compressor 200 uses the fluid L2 expanded by the first pressure reducing device 710 as a refrigerant.
- the boil-off gas L1 compressed by the heat exchanger is cooled by heat exchange.
- the vessel including the engine of the present embodiment as in the case of including the high-pressure engine shown in FIG. 3, before the boil-off gas compressed by the multistage compressor 200 is cooled in the first self-heat exchanger 410, the second vessel. Since the preheating process is performed in the self-heat exchanger 420, the overall reliquefaction efficiency and the amount of reliquefaction can be increased.
- the first pressure reducing device 710 of the present embodiment is compressed by the multistage compressor 200 and then the second self heat exchanger 420 and the first self heat exchanger.
- Some branched fluid L2 of the fluid L1 passing through 410 is expanded to the pressure required by the generator.
- the second decompression device 720 of the present embodiment is the first decompression of the fluid L1 passed through the second self-heat exchanger 420 and the first self-heat exchanger 410 after being compressed by the multistage compressor 200.
- the remaining fluid not sent to the device 710 is expanded to reliquefy.
- the first pressure reducing device 710 and the second pressure reducing device 720 may be an expander or an expansion valve.
- the vessel including the engine of the present embodiment is compressed by the multistage compressor 200, the second self heat exchanger 420 and the first self heat exchanger 410, similarly to the case of including the high pressure engine shown in FIG.
- the gas-liquid separator 500 may further include a liquefied liquefied natural gas and a boil-off gas remaining in a gaseous state through cooling by and expansion by the second decompression device 720.
- the liquefied natural gas separated by the gas-liquid separator 500 may be sent to the storage tank 100, and the vaporized gaseous gas separated by the gas-liquid separator 500 may be transferred from the storage tank 100 to the first self-heat exchanger. 410 may be sent on a line sending the boil-off gas.
- the vessel including the engine of the present embodiment, as in the case of including the high-pressure engine shown in Figure 3, the first valve 610 to block the boil-off gas discharged from the storage tank 100 if necessary; And a heater 800 for increasing the temperature of the boil-off gas sent to the generator after passing through the first pressure reducing device 710 and the second self-heat exchanger 420. It may further comprise one or more of.
- the first valve 610 may be normally maintained in an open state, and may be closed when necessary for management and maintenance work of the storage tank 100.
- the vessel including the engine of the present embodiment includes a gas-liquid separator 500, as in the case of including the high-pressure engine shown in Figure 3, the vessel containing the engine of the present embodiment, the gas-liquid separator 500 It may further include a second valve 620 for controlling the flow rate of the gaseous evaporated gas is separated by the first self-heat exchanger 410 is sent.
- the flow of the fluid in this embodiment is as follows.
- the temperature and pressure of the boil-off gas to be described below are approximate theoretical values, and may vary according to the temperature of the boil-off gas, the required pressure of the engine, the design method of the multistage compressor, the speed of the ship, and the like.
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Abstract
Description
Claims (10)
- 저장탱크로부터 배출되는 증발가스를 열교환시키는 제1 자가열교환기;상기 저장탱크로부터 배출된 후 상기 제1 자가열교환기를 통과한 증발가스를 다단계로 압축시키는 다단압축기;상기 다단압축기에 의해 압축된 증발가스를 예냉시키는 제2 자가열교환기;상기 제2 자가열교환기 및 상기 제1 자가열교환기에 의해 냉각된 유체의 '일부'를 팽창시키는 제1 감압장치; 및상기 제2 자가열교환기 및 상기 제1 자가열교환기에 의해 냉각된 유체의 '다른 일부'를 팽창시키는 제2 감압장치;를 포함하고,상기 제1 자가열교환기는, 상기 저장탱크로부터 배출되는 증발가스를 냉매로 하여, 상기 다단압축기에 의해 압축된 후 상기 제2 자가열교환기를 통과한 증발가스를 냉각시키고,상기 제2 자가열교환기는, 상기 제1 감압장치에 의해 팽창된 유체를 냉매로 하여, 상기 다단압축기에 의해 압축된 증발가스를 냉각시키는, 엔진을 포함하는 선박.
- 청구항 1에 있어서,상기 제2 감압장치를 통과한 유체는 바로 상기 저장탱크로 보내지는, 엔진을 포함하는 선박.
- 청구항 1에 있어서,상기 제2 감압장치 후단에 설치되어 재액화된 액화가스와 기체상태의 증발가스를 분리하는 기액분리기를 더 포함하고,상기 기액분리기에 의해 분리된 액화가스는 상기 저장탱크로 보내지고,상기 기액분리기에 의해 분리된 기체상태의 증발가스는 상기 제1 자가열교환기로 보내지는, 엔진을 포함하는 선박.
- 청구항 1에 있어서,상기 다단압축기를 통과한 증발가스의 일부는 고압 엔진으로 보내지는, 엔진을 포함하는 선박.
- 청구항 1에 있어서,상기 제1 감압장치 및 상기 제2 자가열교환기를 통과한 증발가스는 발전기 및 저압 엔진 중 하나 이상으로 보내지는, 엔진을 포함하는 선박.
- 청구항 5에 있어서,상기 제1 감압장치 및 상기 제2 열교환기를 통과한 증발가스를 상기 발전기로 보내는 경우,상기 제1 감압장치 및 상기 제2 열교환기를 통과한 증발가스를 상기 발전기로 보내는 라인상에 설치되는, 가열기를 더 포함하는, 엔진을 포함하는 선박.
- 1) 저장탱크로부터 배출된 증발가스를 다단계로 압축시키고,2) 상기 다단계로 압축된 증발가스를 열교환시켜 예냉시키고,3) 상기 저장탱크로부터 배출된 증발가스를 냉매로, 상기 2)단계에서 예냉시킨 유체를 열교환시켜 냉각시키고,4) 상기 3)단계에서 냉각된 유체의 '일부'를 제1 감압장치에 의해 팽창시키고,5) 상기 4)단계에서 팽창된 유체를 상기 2)단계에서 열교환의 냉매로 사용하고,6) 상기 3)단계에서 냉각된 유체의 '다른 일부'를 제2 감압장치에 의해 팽창시켜 재액화시키는, 방법.
- 청구항 7에 있어서,7) 상기 6)단계에서 팽창된 후 일부 액화된 액화가스와, 기체상태로 남아있는 증발가스를 분리하고,8) 상기 7)단계에서 분리된 액화가스는 상기 저장탱크로 보내고, 상기 7)단계에서 분리된 기체상태의 증발가스는, 상기 저장탱크로부터 배출되는 증발가스와 합류시켜 상기 제1 자가열교환기로 보내는, 방법.
- 청구항 7에 있어서,상기 1)단계에서 다단계로 압축된 증발가스의 일부를 고압 엔진으로 보내는, 방법.
- 청구항 7에 있어서,상기 제1 감압장치에 의해 팽창된 후 상기 2)단계에서 열교환의 냉매로 사용된 유체를 발전기 및 저압 엔진 중 하나 이상으로 보내는, 방법.
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EP16873183.4A EP3388326B1 (en) | 2015-12-09 | 2016-06-29 | Vessel comprising engine |
JP2018528324A JP6887431B2 (ja) | 2015-12-09 | 2016-06-29 | エンジンを備える船舶 |
US16/061,246 US10830533B2 (en) | 2015-12-09 | 2016-06-29 | Vessel comprising engine |
RU2018124785A RU2717875C2 (ru) | 2015-12-09 | 2016-06-29 | Судно, содержащее двигатель |
SG11201804833UA SG11201804833UA (en) | 2015-12-09 | 2016-06-29 | Vessel comprising engine |
CN201680072401.5A CN108367800B (zh) | 2015-12-09 | 2016-06-29 | 包括发动机的轮船及再液化方法 |
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KR10-2015-0175091 | 2015-12-09 | ||
KR1020150175091A KR101831177B1 (ko) | 2015-12-09 | 2015-12-09 | 엔진을 포함하는 선박 |
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EP (1) | EP3388326B1 (ko) |
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CN (1) | CN108367800B (ko) |
RU (1) | RU2717875C2 (ko) |
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KR101613236B1 (ko) * | 2015-07-08 | 2016-04-18 | 대우조선해양 주식회사 | 엔진을 포함하는 선박 및 이에 적용되는 증발가스 재액화 방법 |
GB201912221D0 (en) * | 2019-08-26 | 2019-10-09 | Babcock Ip Man Number One Limited | Method of cooling boil off gas and an apparatus therefor |
KR102211431B1 (ko) * | 2019-09-17 | 2021-02-04 | 대우조선해양 주식회사 | 선박의 증발가스 처리 시스템 및 방법 |
FR3101408B1 (fr) * | 2019-09-30 | 2022-05-13 | Gaztransport Et Technigaz | Système de traitement d’un gaz contenu dans une cuve de stockage et/ou de transport de gaz à l’état liquide et gazeux |
CN112577260B (zh) * | 2020-12-02 | 2022-05-31 | 上海汇舸环保科技有限公司 | 船舶天然气再液化系统 |
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2015
- 2015-12-09 KR KR1020150175091A patent/KR101831177B1/ko active IP Right Grant
-
2016
- 2016-06-29 WO PCT/KR2016/006970 patent/WO2017099317A1/ko active Application Filing
- 2016-06-29 RU RU2018124785A patent/RU2717875C2/ru active
- 2016-06-29 US US16/061,246 patent/US10830533B2/en active Active
- 2016-06-29 EP EP16873183.4A patent/EP3388326B1/en active Active
- 2016-06-29 CN CN201680072401.5A patent/CN108367800B/zh active Active
- 2016-06-29 JP JP2018528324A patent/JP6887431B2/ja active Active
- 2016-06-29 SG SG11201804833UA patent/SG11201804833UA/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140052896A (ko) * | 2012-10-24 | 2014-05-07 | 대우조선해양 주식회사 | 선박의 액화가스 처리 방법 |
KR101441243B1 (ko) * | 2013-04-24 | 2014-09-17 | 현대중공업 주식회사 | Lng 처리 시스템 |
KR20150039427A (ko) * | 2013-10-02 | 2015-04-10 | 현대중공업 주식회사 | 액화가스 처리 시스템 |
KR20150089353A (ko) * | 2014-01-27 | 2015-08-05 | 현대중공업 주식회사 | 증발가스 처리 시스템 |
KR20150093003A (ko) * | 2014-02-06 | 2015-08-17 | 현대중공업 주식회사 | 액화가스 처리 시스템 |
Also Published As
Publication number | Publication date |
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RU2717875C2 (ru) | 2020-03-26 |
EP3388326B1 (en) | 2024-07-10 |
EP3388326C0 (en) | 2024-07-10 |
EP3388326A1 (en) | 2018-10-17 |
JP6887431B2 (ja) | 2021-06-16 |
RU2018124785A3 (ko) | 2020-01-09 |
US20180363975A1 (en) | 2018-12-20 |
JP2019501060A (ja) | 2019-01-17 |
KR101831177B1 (ko) | 2018-02-26 |
KR20170068190A (ko) | 2017-06-19 |
EP3388326A4 (en) | 2019-08-14 |
US10830533B2 (en) | 2020-11-10 |
RU2018124785A (ru) | 2020-01-09 |
CN108367800B (zh) | 2020-07-14 |
SG11201804833UA (en) | 2018-07-30 |
CN108367800A (zh) | 2018-08-03 |
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