EP4059827A1 - Navire - Google Patents

Navire Download PDF

Info

Publication number
EP4059827A1
EP4059827A1 EP20903899.1A EP20903899A EP4059827A1 EP 4059827 A1 EP4059827 A1 EP 4059827A1 EP 20903899 A EP20903899 A EP 20903899A EP 4059827 A1 EP4059827 A1 EP 4059827A1
Authority
EP
European Patent Office
Prior art keywords
tank
line
cargo
sub
main tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20903899.1A
Other languages
German (de)
English (en)
Other versions
EP4059827A4 (fr
Inventor
Toshinori Ishida
Shinsuke Morimoto
Toshio Ogata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Shipbuilding Co Ltd
Original Assignee
Mitsubishi Shipbuilding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Shipbuilding Co Ltd filed Critical Mitsubishi Shipbuilding Co Ltd
Publication of EP4059827A1 publication Critical patent/EP4059827A1/fr
Publication of EP4059827A4 publication Critical patent/EP4059827A4/fr
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • 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
    • 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
    • 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
    • B63B2025/087—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid comprising self-contained tanks installed in the ship structure as separate units
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/054—Size medium (>1 m3)
    • 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
    • F17C2221/01—Pure fluids
    • F17C2221/013—Carbone dioxide
    • 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
    • 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
    • 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
    • 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
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0107—Propulsion of the fluid by pressurising the ullage
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0388—Localisation of heat exchange separate
    • F17C2227/0393—Localisation of heat exchange separate using a vaporiser
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/04—Methods for emptying or filling
    • F17C2227/047—Methods for emptying or filling by repeating a process cycle
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/01—Intermediate tanks
    • 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

Definitions

  • the present disclosure relates to a ship.
  • PTL 1 discloses using a cargo pump in discharging liquefied gas stored in a tank from the tank in a ship that carries the liquefied gas as a cargo.
  • pressure for pumping the liquefied gas is applied to the pump in addition to the pressure of the liquefied gas stored in the tank. Accordingly, the pump is required to have a large pressure capacity in a case where the pressure of the liquefied gas stored in the tank is high.
  • the liquefied gas in the tank may be discharged by applying pressure to the gas phase in the tank from the outside of the tank.
  • the pressure from the outside is applied to the tank in addition to the pressure of the liquefied gas stored in the tank. Accordingly, the tank itself is required to have a large pressure capacity in a case where the pressure of the liquefied gas stored in the tank is high.
  • the present disclosure has been made in view of the above, and an object of the present disclosure is to provide a ship in which it is possible to enable an increase in tank size while suppressing an increase in cost.
  • a ship includes a hull, a main tank, a sub tank, a transportation line, a first line, a second line, a vaporizer, and a pumping unit.
  • the hull has a pair of broadsides.
  • the main tank is provided in the hull.
  • the main tank stores a liquid or gas cargo.
  • the sub tank is smaller in capacity than the main tank and higher in pressure resistance than the main tank.
  • the transportation line is connected to the sub tank.
  • the transportation line has an outboard connection portion.
  • the first line connects the main tank and the sub tank.
  • the second line connects the main tank and the sub tank.
  • the vaporizer is provided on the second line and is not provided on the first line.
  • the vaporizer evaporates a cargo liquid, which is a liquid phase of the cargo, to generate a cargo gas.
  • the pumping unit selects either the first line or the second line to pump the cargo liquid from the main tank to the sub tank.
  • a ship 1 of the embodiment of the present disclosure illustrated in Fig. 1 carries a fluid cargo G such as liquefied carbon dioxide.
  • the ship 1 includes at least a hull 2, a main tank 10, a sub tank 20, and a pipe system 100 (see Fig. 2 ).
  • the hull 2 has a pair of broadsides 3A and 3B, a ship bottom (not illustrated), and an exposed deck 5, which form the outer shell of the hull 2.
  • the broadsides 3A and 3B are provided with a pair of broadside skins respectively forming the left and right broadsides.
  • the ship bottom (not illustrated) is provided with a ship bottom skin connecting the broadsides 3A and 3B.
  • the outer shell of the hull 2 has a U shape in a cross section orthogonal to a ship stern direction Da.
  • the exposed deck 5 is a whole deck exposed to the outside.
  • an superstructure 7 having an accommodation space is formed on the exposed deck 5 on a stern 2b side.
  • a cargo tank storage compartment (hold) 8 is formed closer to a bow 2a side than the superstructure 7.
  • the cargo tank storage compartment 8 is recessed toward the ship bottom (not illustrated) below the exposed deck 5 and is open upward.
  • the main tank 10 and the sub tank 20 are disposed in the cargo tank storage compartment 8.
  • two main tanks 10 as an example are disposed in the cargo tank storage compartment 8.
  • Three sub tanks 20 as an example are disposed in the cargo tank storage compartment 8.
  • the main tank 10 and the sub tank 20 are not limited in any manner in terms of layout and installation number in the cargo tank storage compartment 8.
  • the sub tank 20 is smaller in capacity and higher in pressure resistance than the main tank 10.
  • the sub tank 20 is a small high-pressure tank.
  • the main tank 10 is a so-called large low-pressure tank larger in capacity and lower in pressure resistance than the sub tank 20.
  • each of the main tank 10 and the sub tank 20 has, for example, a horizontally extending cylindrical shape.
  • a liquefied gas to be carried (hereinafter, simply referred to as the cargo G) such as liquefied carbon dioxide.
  • a cargo liquid L which is the liquid phase of the cargo G, is stored in the lower portions in the main tank 10 and the sub tank 20.
  • a cargo gas V which is the gas phase of the cargo G resulting from the evaporation of the cargo liquid L or the like, is stored in the upper portions in the main tank 10 and the sub tank 20.
  • the main tank 10 and the sub tank 20 are not limited to cylindrical tanks and may be spherical.
  • the pipe system 100 includes a transportation line 30, a first line 40, a second line 50, a vaporizer 55, a pumping unit 60, and a pressurizing line 70.
  • the transportation line 30 is connected to the sub tank 20.
  • the transportation line 30 includes an external connection pipe 31 and sub tank connection pipes 32.
  • the external connection pipe 31 has an outboard connection portion 31j at one end thereof.
  • the connection portion 31j has a flange or the like, and a delivery pipe (not illustrated) for sending out the cargo G (cargo liquid L) to an outboard liquefied gas storage facility or the like is detachably connected.
  • the sub tank connection pipes 32 are respectively connected to the sub tanks 20.
  • Each sub tank connection pipe 32 branches (or merges) from the external connection pipe 31 and reaches the inside of the sub tank 20.
  • the lower end of each sub tank connection pipe 32 is open to the lower portion in the sub tank 20.
  • Each sub tank connection pipe 32 is provided with two opening-closing valves 32v and 32w, which are at an interval in the axis direction of the pipe.
  • the first line 40 connects the main tank 10 and the sub tank 20 (in this embodiment, the sub tank connection pipe 32).
  • the first line 40 includes first main tank connection pipes 41, a first merging pipe 42, and first branch pipes 43.
  • the first main tank connection pipe 41 is provided in each main tank 10. Each first main tank connection pipe 41 reaches the inside of the main tank 10 from the outside of the main tank 10. The lower end of the first main tank connection pipe 41 is open to the lower portion in the main tank 10. Each first main tank connection pipe 41 is provided with an opening-closing valve 41v outside the main tank 10.
  • the plurality of first main tank connection pipes 41 connected to the main tanks 10 are connected to the first merging pipe 42.
  • the two first main tank connection pipes 41 extending from the two main tanks 10 are connected to one end side of the first merging pipe 42.
  • the first branch pipe 43 is equal in number to the sub tank 20. In this embodiment, three first branch pipes 43 are provided. Each first branch pipe 43 branches and extends from the other end side of the first merging pipe 42. The first branch pipes 43 are connected to the sub tank connection pipes 32 extending from the sub tanks 20. Specifically, each first branch pipe 43 is connected to the intermediate portion between the opening-closing valve 32v and the opening-closing valve 32w on the sub tank connection pipe 32. Each first branch pipe 43 is provided with an opening-closing valve 43v.
  • the first line 40 communicates with the inside of the main tank 10 and the inside of the sub tank 20 when the opening-closing valves 41v, 43v, and 32v are open.
  • the first branch pipe 43 may be directly connected to the sub tank 20 without being connected to the sub tank connection pipe 32.
  • every opening-closing valve is illustrated in white.
  • the opening-closing valve that is open is illustrated in white and the opening-closing valve that is closed is illustrated in black.
  • the second line 50 connects the main tank 10 and the sub tank 20.
  • the second line 50 includes second main tank connection pipes 51, a second merging pipe 52, and second branch pipes 53.
  • the second main tank connection pipes 51 are respectively connected to the main tanks 10. Each second main tank connection pipe 51 reaches the inside of the main tank 10 from the outside of the main tank 10. Each second main tank connection pipe 51 is provided with an opening-closing valve 51v outside the main tank 10.
  • the second main tank connection pipes 51 extending from the main tanks 10 are connected to the second merging pipe 52.
  • two second main tank connection pipes 51 extending from two main tanks 10 are merged and connected to one end side of one second merging pipe 52.
  • the second branch pipe 53 is equal in number to the sub tank 20. In this embodiment, three second branch pipes 53 are provided. Each second branch pipe 53 branches and extends from the other end side of the second merging pipe 52. The second branch pipes 53 are respectively connected to the sub tanks 20. The lower end of each second branch pipe 53 is open to the upper portion in the sub tank 20 (for example, uppermost end portion). Each second branch pipe 53 is provided with an opening-closing valve 53v.
  • the vaporizer 55 is provided on the second line 50 and is not provided on the first line 40. Exemplified in this embodiment is a case where the vaporizer 55 is provided on the second merging pipe 52 of the second line 50.
  • the vaporizer 55 generates the cargo gas V by vaporizing the cargo liquid L flowing in the second line 50 (adiabatic expansion).
  • the vaporizer 55 evaporates the cargo liquid L by using seawater collected from the outside of the ship, steam generated in the hull 2, or the like as a heat source. Opening-closing valves 52v and 52w are provided in front of and behind the vaporizer 55 on the second merging pipe 52.
  • the second line 50 communicates with the inside of the main tank 10 and the inside of the sub tank 20 when the opening-closing valves 51v, 52v, 52w, and 53v are open.
  • the pumping unit 60 sends out the cargo liquid L stored in the main tank 10 to the second main tank connection pipe 51.
  • a pump such as a rotary pump can be used as the pumping unit 60.
  • the pumping unit 60 is connected to the second main tank connection pipe 51 of the second line 50. More specifically, the pumping unit 60 is provided at the lower end of the second main tank connection pipe 51 in the main tank 10. The pumping unit 60 suctions up the cargo liquid L in the main tank 10 and pumps the cargo liquid L.
  • a connection line 80 is provided between the first line 40 and the second line 50.
  • the connection line 80 connects the first line 40 and the second line 50.
  • One end of the connection line 80 in this embodiment is connected to the second main tank connection pipe 51 between the pumping unit 60 and the vaporizer 55 on the second line 50. More specifically, one end of the connection line 80 is connected to the second main tank connection pipe 51 between the opening-closing valve 51v and the opening-closing valve 52v.
  • the other end of the connection line 80 is connected to the first main tank connection pipe 41 of the first line 40.
  • the other end of the connection line 80 is connected to the first main tank connection pipe 41 on a side closer to the sub tank 20 than the opening-closing valve 41v.
  • the connection line 80 is provided with an opening-closing valve 80v, and it is possible to switch between communication and non-communication between the second main tank connection pipe 51 and the first main tank connection pipe 41 (connectable and disconnectable).
  • the pressurizing line 70 connects the main tank 10 and the sub tank 20 so as to be capable of communicating with each other. By this pressurizing line 70, the upper portion in the sub tank 20 and the upper portion in the main tank 10 are capable of communicating with each other.
  • the pressurizing line 70 includes sub tank side pressurizing pipes 71, a pressurizing merging pipe 72, and main tank side pressurizing pipes 73.
  • the sub tank side pressurizing pipe 71 is equal in number to the sub tank 20. In other words, in this embodiment, three sub tank side pressurizing pipes 71 are provided. Each sub tank side pressurizing pipe 71 in this embodiment branches from the second branch pipe 53. More specifically, each sub tank side pressurizing pipe 71 is connected to the second branch pipe 53 between the sub tank 20 and the opening-closing valve 53v. Each sub tank side pressurizing pipe 71 is provided with an opening-closing valve 71v. The sub tank side pressurizing pipe 71 may be directly connected to the sub tank 20 instead of the second branch pipe 53.
  • Each sub tank side pressurizing pipe 71 is connected to the pressurizing merging pipe 72.
  • three sub tank side pressurizing pipes 71 extending from three sub tanks 20 are merged and connected to one end side of one pressurizing merging pipe 72.
  • the main tank side pressurizing pipe 73 is equal in number to the main tank 10. In other words, in this embodiment, two main tank side pressurizing pipes 73 are provided. Each main tank side pressurizing pipe 73 branches from the other end side of the pressurizing merging pipe 72. The main tank side pressurizing pipes 73 are respectively connected to the main tanks 10. The lower end of each main tank side pressurizing pipe 73 is open to the upper portion in the sub tank 20 (for example, uppermost end portion). Each main tank side pressurizing pipe 73 is provided with an opening-closing valve 73v outside the main tank 10.
  • two or more (three in this embodiment) sub tanks 20 are connected to one main tank 10 via the first line 40, the second line 50, and the pressurizing line 70.
  • two or more (two in this embodiment) main tanks 10 are connected to each of the sub tanks 20 via the first line 40, the second line 50, and the pressurizing line 70.
  • the cargo liquid L in the main tank 10 is sent out to the second main tank connection pipe 51 by the pumping unit 60 with the opening-closing valves 51v and 80v open and the opening-closing valves 41v and 52v closed, the cargo liquid L flows into the first line 40 via the second main tank connection pipe 51 and the connection line 80. Then, this cargo liquid L is sent to the sub tank 20 side as it is through the first line 40.
  • the cargo liquid L sent through the first line 40 can be supplied into the sub tank 20.
  • the cargo liquid L in the main tank 10 can be moved into the sub tank 20 with its liquid state maintained.
  • the cargo liquid L is transferred from one main tank 10 to two sub tanks 20 in the example illustrated in Fig. 3 , the cargo liquid L may be moved to one sub tank 20 or to every sub tank 20.
  • the cargo liquid L in the main tank 10 is sent out to the second main tank connection pipe 51 by the pumping unit 60 with the opening-closing valves 51v, 52v, and 52w open and the opening-closing valves 41v and 80v closed, the cargo liquid L is sent to the sub tank 20 side through the second line 50.
  • the cargo liquid L is vaporized by the vaporizer 55 provided on the second merging pipe 52, and the cargo gas V is generated.
  • the generated cargo gas V is sent to the sub tank 20 side through the second line 50.
  • the cargo gas V sent through the first line 40 is introduced into the sub tank 20.
  • the pressure in the sub tank 20 increases when the cargo gas V is introduced into the sub tank 20. As a result, the cargo liquid L is pushed out of the sub tank 20 and discharged to the outside of the ship through the transportation line 30.
  • the cargo gas V is sent into two sub tanks 20 from one main tank 10 in the example illustrated in Fig. 4 , the cargo gas V may be discharged from the sub tank 20 after the cargo gas V is sent into one sub tank 20 or every sub tank 20 (that is, three or more sub tanks 20).
  • the cargo gas V remains in the sub tank 20.
  • a high-pressure state is maintained by the cargo gas V.
  • the opening-closing valves 71v and 73v are opened and the opening-closing valves 32v and 52v are closed as illustrated in Fig. 5 .
  • the upper portion in the sub tank 20 and the upper portion in the main tank 10 communicate with each other via the pressurizing line 70, and the cargo gas V in the sub tank 20 flows into the main tank 10.
  • the inside of the sub tank 20 can be reduced in pressure.
  • the generated cargo gas V is sent into the sub tank 20 that is not in the process of depressurization as illustrated in Fig. 5 . Then, the cargo liquid L in the sub tank 20 into which the cargo gas V is sent is pressurized and the cargo liquid L can be discharged to the outside of the ship.
  • the pressure applied to the cargo liquid L by the pumping unit 60 is smaller than in a case where the pumping unit 60 performs pumping alone.
  • the cargo gas V may be sent from the sub tank 20 in the process of depressurization into the other main tank 10 (main tank 10 on the right side in Fig. 6 ) that is not the main tank 10 (main tank 10 on the left side in Fig. 6 ) in the process of discharge of the sub tank 20 by the pumping unit 60.
  • the opening-closing valves 71v, 73v, 41v, and 43v are opened in the other main tank 10.
  • the pressure of the cargo gas V flowing from the inside of the sub tank 20 into the main tank 10 pushes down the cargo liquid L positioned below the cargo gas V in the main tank 10.
  • the cargo liquid L is sent out through the first line 40 from the main tank 10.
  • the cargo liquid L is sent into the other sub tank 20 (left side in Fig. 6 ) that is not the sub tank 20 (sub tank 20 at the center in the left-right direction in Fig. 6 ) in the process of depressurization and the sub tank 20 (sub tank 20 on the right side in Fig. 6 ) in the process of pumping by the pumping unit 60.
  • the ship 1 of the above embodiment includes the hull 2, the main tank 10, the sub tank 20, the transportation line 30, the first line 40, the second line 50, the vaporizer 55, and the pumping unit 60. Further, the sub tank 20 is smaller in capacity and higher in pressure resistance than the main tank 10.
  • the first line 40 connects the main tank 10 and the sub tank 20.
  • the second line 50 connects the main tank 10 and the sub tank 20.
  • the vaporizer 55 is provided on the second line 50 and is not provided on the first line 40.
  • the vaporizer 55 evaporates the cargo liquid L, which is the liquid phase of the cargo G, to generate the cargo gas V.
  • the pumping unit 60 selects either the first line 40 or the second line 50 and pumps the cargo liquid L from the main tank 10 to the sub tank 20.
  • the pumped cargo liquid L is evaporated by the vaporizer 55 and the cargo gas V is generated.
  • the pressure in the sub tank 20 increases when the cargo gas V generated by the vaporizer 55 is sent from the second line 50 into the sub tank 20.
  • the cargo liquid L in the sub tank 20 is pushed out and discharged to the outside of the ship through the transportation line 30. Since the cargo liquid L in the sub tank 20 is discharged by the pressure of the cargo gas V pumped from the main tank 10 side in this manner, the cargo liquid L can be pumplessly discharged from the sub tank 20.
  • the sub tank 20 is smaller in capacity than the main tank 10. Accordingly, even if the sub tank 20 is highly pressure-resistant to the pressure of the cargo gas V, pressure resistance can be easily ensured and low-cost manufacturing can be performed as compared with enhancing the pressure resistance of the large-capacity main tank 10 to the same level.
  • the main tank 10 is lower in pressure resistance than the sub tank 20, it is possible to easily realize an increase in the size of the main tank 10.
  • the pumping unit 60 only pumps the cargo liquid L for generating the cargo gas V by vaporization by means of the vaporizer 55. Accordingly, the pumping capacity required for the pumping unit 60 is smaller than in a case where the cargo liquid L is directly discharged from the main tank 10 to the outside of the ship. As a result, the pumping unit 60 can be reduced in cost.
  • the pumped cargo liquid L is sent into the sub tank 20 with its liquid state maintained.
  • the cargo liquid L stored in the main tank 10 can be transferred to the sub tank 20.
  • the cargo liquid L transferred to the sub tank 20 is discharged by the pressure of the cargo gas V pumped from the main tank 10 side as described above. In other words, it is possible to discharge the entire amount of the cargo liquid L in the main tank 10 and the sub tank 20 by sequentially repeating the transfer of the cargo liquid L from the main tank 10 to the sub tank 20 and the discharge of the cargo liquid L from the sub tank 20 by the pressure of the cargo gas V pumped from the main tank 10 side.
  • the ship 1 of the above embodiment further includes the pressurizing line 70 that connects the upper portion in the sub tank 20 and the upper portion in the main tank 10 and pressurizes the inside of the main tank 10 by the pressure in the sub tank 20.
  • the gas phase in the main tank 10 (cargo gas V) is pressurized by the pressure in the sub tank 20.
  • the cargo liquid L positioned in the lower portion in the main tank 10 is pressurized by the pressurized cargo gas V, and the cargo liquid L can be transferred from the main tank 10 to the sub tank 20 through the first line 40 and the second line 50.
  • two or more sub tanks 20 are connected to one main tank 10 via the first line 40, the second line 50, and the pressurizing line 70.
  • the pressure applied to the cargo liquid L by the pumping unit 60 can be reduced as compared with a case where the pumping unit 60 performs pumping alone. As a result, less energy is required to operate the pumping unit 60.
  • three or more sub tanks 20 are provided, and the main tanks 10 are connected to each of the sub tanks 20 via the first line 40, the second line 50, and the pressurizing line 70.
  • the main tank 10 by pressurizing the main tank 10 with the pressure in one of the three or more sub tanks 20, it is possible to generate the cargo gas V while transferring the cargo liquid L to another of the sub tanks 20 and discharge the cargo liquid L in the other sub tank 20 to the outside of the ship through the transportation line 30.
  • the ship 1 of the above embodiment further includes the connection line 80 that disconnectably connects the first line 40 and the second line 50.
  • the cargo liquid L pumped by the pumping unit 60 can be sent out with either the first line 40 or the second line 50 selected.
  • the number of the main tanks 10 may be two or more and the number of the sub tanks may be three or more.
  • the main tank 10 and the sub tank 20 may be provided one by one.
  • the ship 1 described in the embodiment is, for example, grasped as follows.
  • An example of the pumping unit 60 is a pump.
  • the ship 1 As for the ship 1, when the cargo liquid L is pumped from the main tank 10 to the sub tank 20 through the second line 50 by the pumping unit 60, the pumped cargo liquid L is evaporated by the vaporizer 55 and the cargo gas V is generated.
  • the volume of the cargo gas V generated from the cargo liquid L considerably increases as compared with the state where the cargo liquid L is yet to become the cargo gas V.
  • the pressure in the sub tank 20 increases when the cargo gas V is sent into the sub tank 20 from the second line 50. As a result, the cargo liquid L in the sub tank 20 is pushed out and discharged to the outside of the ship through the transportation line 30.
  • the cargo liquid L in the sub tank 20 is discharged by the pressure of the cargo gas V pumped from the main tank 10 side, and thus the cargo liquid L can be pumplessly discharged from the sub tank 20.
  • the sub tank 20 is smaller in capacity than the main tank 10. Accordingly, even if the sub tank 20 is highly pressure-resistant to the pressure of the cargo gas V, pressure resistance can be easily ensured and low-cost manufacturing can be performed as compared with enhancing the pressure resistance of the large-capacity main tank 10 to the same level.
  • the main tank 10 is lower in pressure resistance than the sub tank 20, it is possible to easily realize an increase in the size of the main tank 10.
  • the pumping unit 60 only pumps the cargo liquid L for generating the cargo gas V by vaporization by means of the vaporizer 55. Accordingly, the pumping capacity required for the pumping unit 60 is smaller than in a case where the cargo liquid L is directly discharged from the main tank 10 to the outside of the ship. As a result, the pumping unit 60 can be reduced in cost.
  • the pumped cargo liquid L is sent into the sub tank 20 with its liquid state maintained.
  • the cargo liquid L stored in the main tank 10 can be transferred to the sub tank 20.
  • the cargo liquid L transferred to the sub tank 20 is discharged by the pressure of the cargo gas V pumped from the main tank 10 side as described above. In other words, it is possible to discharge the entire amount of the cargo liquid L in the main tank 10 and the sub tank 20 by sequentially repeating the transfer of the cargo liquid L from the main tank 10 to the sub tank 20 and the discharge of the cargo liquid L from the sub tank 20 by the pressure of the cargo gas V pumped from the main tank 10 side.
  • the ship 1 according to a second aspect which is the ship 1 of (1), further includes a pressurizing line 70 connecting an upper portion in the sub tank 20 and an upper portion in the main tank 10 and pressurizing an inside of the main tank 10 by pressure in the sub tank 20.
  • the inside of the main tank 10 is pressurized by the pressure in the sub tank 20.
  • the cargo liquid L positioned in the lower portion in the main tank 10 is pressurized by the pressurized cargo gas V, and the cargo liquid L can be transferred from the main tank 10 to the sub tank 20 through the first line 40 and the second line 50.
  • a plurality of the sub tanks 20 are connected to one main tank 10 via the first line 40, the second line 50, and the pressurizing line 70.
  • the pressure applied to the cargo liquid L by the pumping unit 60 can be reduced as compared with a case where the pumping unit 60 performs pumping alone. As a result, less energy is required to operate the pumping unit 60.
  • the sub tanks 20 are three or more in number, and a plurality of the main tanks 10 are connected to each of the sub tanks 20 via the first line 40, the second line 50, and the pressurizing line 70.
  • the pumping unit 60 is provided by being connected to the second line 50, and the ship further includes a connection line 80 provided to disconnectably connect the first line 40 and the second line 50 between the pumping unit 60 and the vaporizer 55.
  • the cargo liquid L pumped by the pumping unit 60 can be sent out with either the first line 40 or the second line 50 selected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
EP20903899.1A 2019-12-19 2020-09-07 Navire Pending EP4059827A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019229207A JP7398264B2 (ja) 2019-12-19 2019-12-19 船舶
PCT/JP2020/033748 WO2021124618A1 (fr) 2019-12-19 2020-09-07 Navire

Publications (2)

Publication Number Publication Date
EP4059827A1 true EP4059827A1 (fr) 2022-09-21
EP4059827A4 EP4059827A4 (fr) 2023-01-04

Family

ID=76430355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20903899.1A Pending EP4059827A4 (fr) 2019-12-19 2020-09-07 Navire

Country Status (6)

Country Link
EP (1) EP4059827A4 (fr)
JP (1) JP7398264B2 (fr)
KR (1) KR20220093242A (fr)
CN (1) CN114787030A (fr)
AU (1) AU2020409190B2 (fr)
WO (1) WO2021124618A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024009523A (ja) * 2022-07-11 2024-01-23 三菱造船株式会社 タンクシステム、液化二酸化炭素の移送方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5771946A (en) * 1992-12-07 1998-06-30 Chicago Bridge & Iron Technical Services Company Method and apparatus for fueling vehicles with liquefied cryogenic fuel
US5687776A (en) 1992-12-07 1997-11-18 Chicago Bridge & Iron Technical Services Company Method and apparatus for fueling vehicles with liquefied cryogenic fuel
US5325894A (en) * 1992-12-07 1994-07-05 Chicago Bridge & Iron Technical Services Company Method and apparatus for fueling vehicles with liquefied natural gas
FI118680B (fi) * 2003-12-18 2008-02-15 Waertsilae Finland Oy Kaasunsyöttöjärjestely vesikulkuneuvossa ja menetelmä kaasun paineen ohjaamiseksi vesikulkuneuvon kaasunsyöttöjärjestelyssä
JP2007009981A (ja) * 2005-06-29 2007-01-18 N Energy:Kk 液化ガス供給設備及び液化ガス供給方法
US20070006597A1 (en) * 2005-07-06 2007-01-11 Zia Jalal H Cryogenic tank system
KR101076266B1 (ko) * 2007-07-19 2011-10-26 대우조선해양 주식회사 Ｌｎｇ 운반선의 연료용 가스 공급 장치
JP5769445B2 (ja) 2011-02-25 2015-08-26 三菱重工業株式会社 液化天然ガス貯蔵・運搬船及び液化天然ガス貯蔵・運搬船の余剰ガス発生抑制方法
KR101280893B1 (ko) * 2011-11-23 2013-07-02 삼성중공업 주식회사 Ｌｎｇ공급장치
JP2013209000A (ja) * 2012-03-30 2013-10-10 Mitsubishi Heavy Ind Ltd 船舶、液化燃料ガス移送装置および液化燃料ガス移送方法
JP2014162306A (ja) * 2013-02-22 2014-09-08 Mitsubishi Heavy Ind Ltd 天然ガス燃料蒸発器、天然ガス燃料供給装置、船舶、原動機への天然ガス燃料の供給方法
SG11201507299TA (en) * 2013-04-12 2015-10-29 Excelerate Liquefaction Solutions Llc Systems and methods for floating dockside liquefaction of natural gas
KR20150131860A (ko) * 2014-05-16 2015-11-25 대우조선해양 주식회사 Lpg 운반선의 연료공급 시스템 및 연료공급 방법
KR101722372B1 (ko) * 2015-08-13 2017-04-05 삼성중공업 주식회사 연료가스 공급시스템
JP6738761B2 (ja) * 2017-04-13 2020-08-12 三菱造船株式会社 船舶
FR3066250B1 (fr) * 2017-05-12 2019-07-05 Gaztransport Et Technigaz Dispositif et procede de refroidissement de gaz liquefie et/ou de gaz d'evaporation naturelle de gaz liquefie

Also Published As

Publication number Publication date
KR20220093242A (ko) 2022-07-05
CN114787030A (zh) 2022-07-22
AU2020409190A1 (en) 2022-07-07
JP7398264B2 (ja) 2023-12-14
WO2021124618A1 (fr) 2021-06-24
AU2020409190B2 (en) 2024-01-18
JP2021095081A (ja) 2021-06-24
EP4059827A4 (fr) 2023-01-04

Similar Documents

Publication Publication Date Title
JP2010534308A (ja) タンクに加圧ガスを充填する方法
CN108698672A (zh) 具有气体再汽化系统的船舶
US11136103B2 (en) Ship having gas regasification system
EP4059827A1 (fr) Navire
EP4079622B1 (fr) Une méthode pour changer le type de gaz chargé sur un navire
KR101559407B1 (ko) 선박
KR20150004087U (ko) 선박의 연료가스공급시스템
KR20150068060A (ko) 선박
KR101584566B1 (ko) Lng 저장탱크의 가스 필링시스템 및 방법
JP2022071534A (ja) 浮体、液化二酸化炭素の積込方法、液化二酸化炭素の揚荷方法
KR20190115476A (ko) 선박
KR101556296B1 (ko) 연료 공급 시스템 및 이를 포함하는 선박 및 연료 공급 방법
KR102186665B1 (ko) 선박
KR102189743B1 (ko) 선박의 연료가스 공급 시스템 및 방법
KR20150109789A (ko) Lngc 언로딩 시스템의 안전 장치
KR102578399B1 (ko) 액화가스 운반선의 연료공급시스템
KR102237205B1 (ko) 가스 재기화 시스템 및 이를 포함하는 선박
KR20220016432A (ko) 액화가스 저장탱크 및 이를 포함하는 선박
KR102243805B1 (ko) 가스 재기화 시스템을 구비하는 선박
KR102596633B1 (ko) 액화가스 로딩 및 가스처리 시스템과 이의 작동방법
WO2024009672A1 (fr) Installation de soute, navire à soute, système de soute et procédé d'alimentation en gaz liquéfié
JP2023086301A (ja) 液化ガスの荷役方法および液化ガスの荷役システム
KR102120559B1 (ko) 가스 재기화 시스템 및 이를 구비하는 선박
KR102132076B1 (ko) 가스 재기화 시스템 및 이를 구비하는 선박
KR20220152429A (ko) 추진선의 시운전을 위한 액화천연가스 로딩 시스템 및 액화천연가스 로딩 방법

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220614

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20221205

RIC1 Information provided on ipc code assigned before grant

Ipc: F17C 9/00 20060101ALI20221129BHEP

Ipc: B63B 25/16 20060101ALI20221129BHEP

Ipc: B63B 25/14 20060101ALI20221129BHEP

Ipc: B63B 25/08 20060101AFI20221129BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)