The present invention relates to a liquefied gas storage tank and a vessel comprising the same. The liquefied gas storage tank of the present invention comprises: a flat block that is disposed on a flat portion on a first or second surface at different angles forming a storage space for accommodating the liquefied gas, and includes a flat primary heat insulating wall that fixes a flat primary barrier made of a metal material and is disposed on the outside of the flat primary barrier, a flat secondary barrier provided on the outside of the flat primary heat insulating wall, and a flat secondary heat insulating wall disposed on the outside of the flat secondary barrier; and a corner block that is disposed at a corner portion where the first surface and the second surface meet, and includes a corner primary heat insulating wall that fixes a corner primary barrier made of metal and is disposed on the outside of the corner primary barrier, a corner secondary barrier provided on the outside of the corner primary heat insulating wall, and a corner secondary heat insulating wall disposed on the outside of the corner secondary barrier. The corner primary heat insulating wall is disposed in plurality along the side of the corner portion on the corner secondary heat insulating wall, and includes a corner primary heat insulating material fixed to the corner secondary barrier, and an inner primary plywood which is disposed on the inside of the corner primary heat insulating material, forms a step with the corner primary heat insulating material, and is fixed with the corner primary barrier. The corner block includes an inner first packing material that is filled in the step of the corner primary heat insulating wall disposed adjacent to each other and on which the corner primary barrier is seated. An object of the present invention is to provide the liquefied gas storage tank capable of reducing the burden of a low temperature, sloshing burden, and stress burden of the corner secondary barrier by improving the structure of the corner block, and the vessel comprising the same.

    본 발명은 액화가스 저장탱크 및 이를 포함하는 선박에 관한 것으로, 본 발명의 액화가스 저장탱크는, 액화가스를 수용하는 저장공간을 형성하는 서로 다른 각도의 제1면 또는 제2면에서 평평한 부분에 배치되며, 금속 재질의 플랫 1차방벽을 고정하며 상기 플랫 1차방벽의 외측에 배치되는 플랫 1차단열벽과, 상기 플랫 1차단열벽의 외측에 마련되는 플랫 2차방벽과, 상기 플랫 2차방벽의 외측에 배치되는 플랫 2차단열벽을 포함하는 평면블록; 및 상기 제1면과 상기 제2면이 만나는 코너 부분에 배치되며, 금속 재질의 코너 1차방벽을 고정하며 상기 코너 1차방벽의 외측에 배치되는 코너 1차단열벽과, 상기 코너 1차단열벽의 외측에 마련되는 코너 2차방벽과, 상기 코너 2차방벽의 외측에 배치되는 코너 2차단열벽을 포함하는 코너블록을 포함하고, 상기 코너 1차단열벽은, 상기 코너 2차단열벽 상에서 코너 부분의 변을 따라 복수로 배치되며, 상기 코너 2차방벽에 고정되는 코너 1차단열재와, 상기 코너 1차단열재의 내측에 배치되고 상기 코너 1차단열재와 단차를 이루며 상기 코너 1차방벽이 고정되는 내측 1차플라이우드를 포함하고, 상기 코너블록은, 상호 인접 배치되는 상기 코너 1차단열벽의 단차에 채워지며 상기 코너 1차방벽이 안착되는 내측 제1패킹재를 포함하는 것을 특징으로 한다.


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    Title :

    Liquefied gas storage tank and vessel comprising the same


    Additional title:

    액화가스 저장탱크 및 이를 포함하는 선박


    Publication date :

    2021-11-16


    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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