Disclosed is an insulation system for a liquefied gas storage tank, comprising: a heat insulating layer composed of at least two or more layers and including a polyurethane foam or a reinforced polyurethane foam heat insulating material; a secondary barrier installed on an upper portion of the heat insulating layer; a primary barrier installed on an upper portion of the secondary barrier; and a separation layer disposed between the secondary barrier and the primary barrier to allow the primary barrier to be separated from the secondary barrier. The secondary barrier is composed of a plurality of Invar steel membranes, and the Invar steel membranes adjacent to each other are overlapped and welded on an anchor strip installed on an upper portion of the heat insulating layer to be fixed on an upper portion of the heat insulating layer, thereby forming a seal. According to the present invention, an insulation system for a liquefied gas storage tank has an effect of providing an improved structure to enable the application of a double metal barrier to a panel-type heat insulation system, thereby securing structural stability while having excellent insulation performance.

    액화가스 저장탱크의 단열시스템이 개시된다. 적어도 2 이상의 층으로 구성되며 폴리우레탄 폼 또는 강화 폴리우레탄 폼 단열재를 포함하는 단열층; 단열층의 상부에 설치되는 2차 방벽; 2차 방벽의 상측에 설치되는 1차 방벽; 및 2차 방벽과 1차 방벽 사이에 배치되어 1차 방벽을 2차 방벽으로부터 이격시키는 이격층을 포함하고, 2차 방벽은 다수의 인바강 멤브레인으로 구성되되, 서로 인접하는 인바강 멤브레인이 단열층의 상부에 설치되는 앵커 스트립 상에서 겹치기 용접되어 단열층의 상부에 고정되며 밀봉을 형성하는 것을 특징으로 하는 본 발명에 따른 액화가스 저장탱크의 단열시스템에 의하면, 패널 타입의 단열시스템에 이중 금속 방벽의 적용이 가능하도록 개선된 구조를 제공함으로써, 우수한 단열성능을 가지는 동시에 구조적 안정성을 확보할 수 있는 효과가 있다.


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    Titel :

    INSULATION SYSTEM OF LIQUEFIED GAS STORAGE TANK WITH DOUBLE METALLIC BARRIER STRUCTURE


    Weitere Titelangaben:

    이중 금속 방벽 구조를 가지는 액화가스 저장탱크의 단열시스템


    Beteiligte:
    HEO HAENG SUNG (Autor:in) / HWANG BEOM SEOK (Autor:in) / PARK KWANG JUN (Autor:in) / OH HOON TAEK(HARRY) (Autor:in) / KANG JOONG KYOO (Autor:in)

    Erscheinungsdatum :

    2022-05-26


    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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