The present invention relates to a liquefied gas storage tank and a ship including the same. The present invention includes: a wall including a primary barrier made of metal that forms a storage space for containing liquefied gas, a primary insulation wall provided outside the primary barrier, a secondary barrier provided outside the primary insulation wall, and a secondary insulation wall provided outside the secondary barrier, and independently forming first and second insulated spaces between the primary barrier and the secondary barrier and outside the secondary barrier, respectively; a dome provided on the upper surface of the storage space and penetrating the wall to connect the storage space to the outside; and an insulated space passage part provided in the wall at a point spaced apart from the dome and penetrating the secondary barrier to connect the primary insulated space to the outside. Accordingly, the sealing properties and structural stability of the dome can be secured.

    본 발명은 액화가스 저장탱크 및 이를 포함하는 선박에 관한 것으로서, 액화가스를 수용하는 저장공간을 형성하는 금속 재질의 1차 방벽, 상기 1차 방벽의 외측에 마련되는 1차 단열벽, 상기 1차 단열벽의 외측에 마련되는 2차 방벽 및 상기 2차 방벽의 외측에 마련되는 2차 단열벽을 포함하고, 상기 1차 방벽과 상기 2차 방벽 사이 및 상기 2차 방벽의 외측에 각각 1, 2차 단열공간을 독립적으로 형성하는 벽체; 상기 저장공간의 상면에 마련되고 상기 벽체를 관통하여 상기 저장공간을 외부와 연통시키는 돔; 및 상기 벽체에서 상기 돔과 이격된 지점에 마련되고 상기 2차 방벽을 관통하여 상기 1차 단열공간을 외부와 연통시키는 단열공간 통로부를 포함한다.


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    Title :

    liquefied gas tank and ship having the same


    Additional title:

    액화가스 저장탱크 및 이를 포함하는 선박


    Contributors:
    KIM JI EUN (author) / KIM BUM SUN (author)

    Publication date :

    2023-02-07


    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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