| 摘要 |
PROBLEM TO BE SOLVED: To prevent a problem in a tank dome that excessive stress is produced therein.SOLUTION: A dome structure of a liquefied gas tank includes the tank dome 7 where a socket 5 for fitting of a pipe to supply and exhaust a liquefied gas into/from a tank body 3 is protruded to over the tank body 3 with the top closed, and is configured so that a hull 1 surrounding the tank body 3 is connected with the tank dome 7 through bellows 9, wherein the tank dome 7 is furnished at the top with an overhang 10 having a greater diameter than the tank dome 7 and communicating with inside the tank dome 7, and the overhang 10 is connected with the hull 1 through the bellows 9. |
