The present invention relates to an insulation structure of a liquefied gas storage tank for insulating liquefied gas stored inside a tank body, comprising: a sheet part installed on an outer surface of the tank body to surround the tank body; a fixing part for fixing the sheet part to the outer surface of the tank body; and an insulating part in which polymer foam is sprayed on the sheet part to form a plurality of layers, wherein the sheet part includes: a first sheet layer positioned adjacent to an outer surface of the tank body; and a second sheet layer installed on the first sheet layer. The second sheet layer is made of a composite sheet that is watertight. The insulation structure of a liquefied gas storage tank for insulating liquefied gas stored inside a tank body can form a leak path for movement of leaked liquefied gas between an outer wall of the tank and an insulation layer.

    본 발명은 탱크 몸체 내부에 저장된 액화가스를 단열하기 위한 액화가스 저장탱크의 단열구조에 관한 것으로서, 상기 탱크 몸체를 감싸도록 상기 탱크 몸체의 외면에 설치되는 시트부; 상기 시트부를 상기 탱크 몸체의 외면에 고정하기 위한 고정부; 및 상기 시트부 상에 중합체 폼이 분사되어 복수개의 층을 형성하는 단열부를 포함하고, 상기 시트부는, 상기 탱크 몸체의 외면에 인접하게 위치되는 제1 시트층; 및 상기 제1 시트층 상에 설치되는 제2 시트층을 포함하고, 제2 시트층은 수밀이 되는 복합재 시트로 마련된다.


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    Title :

    INSULATION STRUCTURE FOR LIQUIFIED GAS STORAGE TANK AND METHOD FOR FORMING THE INSULATION STRUCTURE


    Additional title:

    액화가스 저장탱크의 단열구조 및 상기 액화가스 저장탱크의 단열구조 형성방법


    Contributors:

    Publication date :

    2022-07-12


    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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