본 발명은 액화가스와 접하는 1차 방벽, 상기 1차 방벽의 외측에 설치되는 단열층, 상기 1차 방벽과 상기 단열층 사이에 위치하고 상기 1차 방벽으로부터 누수된 상기 액화가스가 이동하는 배출구가 형성된 누수 이동 통로, 상기 단열층에 삽입되며 상기 누수 이동 통로의 배출구와 연결되고 상기 액화가스가 통과하는 누수 이동 관통로, 및 상기 누수 이동 관통로와 내통하고 배관으로 형성된 부분 2차 방벽을 포함하고, 상기 1차 방벽에서 누수 발생시 누수된 액화가스가 배관 형태로 구성되는 상기 부분 2차 방벽을 통과하는 과정에서 전량 기화되는 것을 특징으로 한다.
The present invention comprises: a primary barrier in contact with liquefied gas; an insulating layer provided on the outer side of the primary barrier; a leakage movement passage which is positioned between the primary barrier and the insulating layer, and which has a discharge port through which liquefied gas leaking from the primary barrier moves; a leakage movement through-path, which is inserted into the insulating layer, is connected to the discharge port of the leakage movement passage, and allows the liquefied gas to pass therethrough; and a partial secondary barrier, which communicates with the inside of the leakage movement through-path and is formed as a pipe, wherein, if gas leaks from the primary barrier, all of the leaked liquefied gas is vaporized when the gas passes through the pipe-shaped partial secondary barrier.
Insulation system for liquefied gas storage tank and ship having thereof
액화가스 저장탱크용 단열 시스템 및 이를 포함하는 선박
2024-06-25
Patent
Electronic Resource
Korean
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