Disclosed is an insulation system for an LNG storage tank. According to the present invention, the insulation system for an LNG storage tank is formed in a double barrier structure including a second insulation wall comprising a plurality of second insulation panels fixed to an inner wall of a hull and a first insulation wall comprising a plurality of first insulation panels fixed to an upper portion of the second insulation panels. The insulation system for an LNG storage tank fixes both the second insulation panels and the first insulation panels by using a mechanical fastening method fastening a stud and a fixing nut. The second insulation panels are supported by mastic on the inner wall of the hull, and the mastic is applied between kraft paper arranged on the inner wall of the hull and the second insulation panels so that the second insulation wall is supported on the inner wall of the hull in a non-adhesive manner.

    LNG 저장탱크의 단열시스템이 개시된다. 본 발명에 따른 LNG 저장탱크의 단열시스템은, 선체 내벽에 고정되는 다수의 2차 단열패널로 이루어지는 2차 단열벽과, 2차 단열패널의 상부에 고정되는 다수의 1차 단열패널로 이루어지는 1차 단열벽을 포함하는 이중 방벽 구조의 LNG 저장탱크에 있어서, 2차 단열패널의 고정과 1차 단열패널의 고정은 모두 스터드와 고정너트를 체결하는 기계적 체결 방식을 이용하고, 2차 단열패널은 선체 내벽에 매스틱(mastic)에 의해 지지되되, 매스틱은 선체 내벽에 배치되는 크라프트지(kraft paper)와 2차 단열패널 사이에 도포되어, 2차 단열벽이 선체 내벽에 비접착식으로 지지되는 것을 특징으로 한다.


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    Title :

    LNG Insulation System of Liquefied Natural Gas Storage Tank


    Additional title:

    LNG 저장탱크의 단열시스템


    Contributors:

    Publication date :

    2021-01-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES



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