According to the present invention, in regard to a liquefied gas storage tank of a double barrier structure including a secondary insulating layer placed on an inner wall of a vessel body, a secondary sealing wall installed in an upper part of the secondary insulating layer and made of a metal membrane, a primary insulating layer placed on the secondary sealing wall, and a primary sealing wall installed in an upper part of the primary insulating layer and made of a metal membrane, the liquefied gas storage tank includes a cross connector installed in a corner part where a horizontal inner wall and a vertical inner wall of the liquefied gas storage tank meet, and connected with the secondary sealing wall to deliver a load applied to the second sealing wall, to the vessel body. The cross connector includes: a first plate having one end fixed to the inner wall of the vessel body and having the other end welded with an end of the secondary sealing wall installed in a horizontal direction; and a second plate having one end fixed to the inner wall of the vessel body and having the other end welded with an end of the secondary sealing wall installed in a vertical direction, wherein the cross connector has a cross (+)-shaped cross sectional shape due to the first and second plates orthogonal to each other.

    본 발명은, 선체 내벽 상에 배치되는 2차 단열층과, 2차 단열층의 상부에 설치되며 금속 멤브레인으로 이루어지는 2차 밀봉벽과, 2차 밀봉벽 상에 배치되는 1차 단열층과, 1차 단열층의 상부에 설치되며 금속 멤브레인으로 이루어지는 1차 밀봉벽을 포함하는 이중 방벽(double barrier) 구조의 액화가스 저장탱크에 있어서, 액화가스 저장탱크의 수평방향 내벽과 수직방향 내벽이 만나는 코너 부우에 설치되며, 2차 밀봉벽과 연결되어 2차 밀봉벽에 작용하는 하중을 선체로 전달하는 크로스 커넥터를 포함하고, 상기 크로스 커넥터는, 일단부는 선체 내벽에 고정되고 타단부는 수평방향으로 설치되는 2차 밀봉벽의 끝단부가 용접에 의해 연결되는 제1 플레이트와, 일단부는 선체 내벽에 고정되고 타단부는 수직방향으로 설치되는 2차 밀봉벽의 끝단부가 용접에 의해 연결되는 제2 플레이트를 포함하되, 제1 플레이트와 제2 플레이트가 서로 직교하여 십(十)자 형태의 단면 형상을 가지는 것을 특징으로 하는, 액화가스 저장탱크의 단열시스템을 제공한다.


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    Titel :

    Insulation System of Liquefied Gas Storage Tank


    Weitere Titelangaben:

    액화가스 저장탱크의 단열시스템


    Beteiligte:
    JO YOUNG CHUN (Autor:in) / KANG JOONG KYOO (Autor:in)

    Erscheinungsdatum :

    2021-06-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    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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