A double-shell tank (3) mounted in a hull of a liquefied gas carrier includes: an inner shell (4) including an inner shell main structure (41) and an inner shell dome (42); an outer shell (5) including an outer shell main structure (51) and an outer shell dome (52); and a support located between the outer shell main structure (51) and the inner shell main structure (41). The outer shell dome (52) is divided by a bellows (55) into a fixed portion (52A) and a movable portion (52B). The movable portion (52B) is coupled to the inner shell dome (42). A tank cover (7) includes a tubular portion (72) that is passed through by the outer shell dome (52). An elastic body (8) is located between the tubular portion (72) and a dome flange (56). The dome flange (56) is located on the movable portion (52B) of the outer shell dome (52). Displacement measurers (9) to measure a displacement of the movable portion (52B) of the outer shell dome (52) relative to the tank cover (7) are located on a circumference surrounding the outer shell dome (52).
LIQUEFIED GAS CARRYING SHIP
FLÜSSIGGASTRANSPORTSCHIFF
NAVIRE TRANSPORTEUR DE GAZ LIQUÉFIÉ
10.07.2024
Patent
Elektronische Ressource
Englisch
Icebreaking LNG (Liquefied Natural Gas) ship carrying strong gas cannon
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