The present invention relates to a liquefied gas storage tank and a ship comprising the same. In particular, the liquefied gas storage tank of the present invention is the liquefied gas storage tank which stores a cryogenic material, and comprises a first barrier, a first insulation wall, a second barrier, and a second insulation wall. The first insulation wall comprises a connecting insulation wall which, in a state in which unit elements, constructed after fixing insulation walls, which are part of the second insulation wall, the second barrier and the first insulation wall, are stacked, are arranged to be adjacent to each other, is disposed at the space portion between the adjacent fixing insulation walls. The present invention may further comprise: a first slit which is formed between the fixing insulation walls and the connecting insulation wall when the connecting insulation wall is inserted into the gap between the adjacent fixing insulation walls; a pair of second slits which are formed at a depth relatively shallower than the depth of the first slit around the both side edges of the fixing insulation walls; and a plurality of third slits which are formed at a depth relatively shallower than the depth of the pair of second slits on the inside of the pair of second slits. Therefore, the low temperature burden of the second barrier may be reduced.

    본 발명은 액화가스 저장탱크 및 이를 포함하는 선박에 관한 것으로, 본 발명의 액화가스 저장탱크는, 1차방벽, 1차단열벽, 2차방벽, 2차단열벽으로 이루어지는 극저온 물질을 저장하는 액화가스 저장탱크로서, 상기 1차단열벽은, 상기 2차단열벽, 상기 2차방벽, 상기 1차단열벽의 일부인 고정단열벽이 적층되어 이루는 단위 요소가 이웃하여 배치된 상태에서, 이웃하는 상기 고정단열벽 사이의 공간 부분에 마련되는 연결단열벽을 포함하고, 이웃하는 상기 고정단열벽 사이에 상기 연결단열벽을 삽입 설치했을 때, 상기 고정단열벽과 상기 연결단열벽 사이에 형성되는 제1슬릿; 상기 고정단열벽의 양측 가장자리 부근에서 상기 제1슬릿의 깊이보다 상대적으로 얕은 깊이로 형성되는 한 쌍의 제2슬릿; 및 상기 한 쌍의 제2슬릿의 내측에서 상기 한 쌍의 제2슬릿의 깊이보다 상대적으로 얕은 깊이로 형성되는 다수의 제3슬릿을 포함할 수 있다.


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    Title :

    Liquefied gas storage tank and vessel comprising the same


    Additional title:

    액화가스 저장탱크 및 이를 포함하는 선박


    Contributors:
    PARK SEONG BO (author) / OH HOON KYU (author) / PARK CHEON JIN (author) / KIM YONG TAI (author) / KIM DONG WOO (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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