The present invention relates to a fire spread prevention system for an Arctic ship, which is to prevent a fire from spreading due to a combustible material when a fire occurs on the ship, especially the Arctic ship. According to the present invention, the fire spread prevention system for an arctic ship comprises: a heat transfer system which heats and circulates thermal oil to be supplied to a thermal fluid demand within the arctic ship; a drain tank disposed in a safety area within the ship, installed at a lower position than the heat transfer system, and accommodating the thermal oil present in the heat transfer system; and a plurality of quick open valves which are opened in the event of the fire to allow all thermal fluid present in the heat transfer system to be transferred to the drain tank. The quick open valve includes: a second quick open valve disposed to allow gaseous components present in the heat transfer system to flow into the drain tank; and a third quick open valve arranged to allow liquid components present in the heat transfer system to flow into the drain tank.

    본 발명은 선박, 특히 극지용 선박에서 화재가 발생하였을 때 가연성 물질에 의해 화재가 확산되는 것을 방지하기 위한, 극지용 선박의 화재 확산 방지 시스템에 관한 것이다. 본 발명에 따른 극지용 선박의 화재 확산 방지 시스템은, 극지용 선박의 선내 열유체 수요처로 공급할 열유체(thermal oil)를 가열하고 순환시키는 열전달 시스템; 선내 안전구역에 배치되며, 상기 열전달 시스템보다 낮은 위치에 설치되고, 상기 열전달 시스템에 존재하는 열유체를 수용하는 드레인 탱크; 및 화재 발생 시 개방되어 상기 열전달 시스템에 존재하는 열유체가 모두 드레인 탱크로 이송되도록 하는 다수의 퀵 오픈 밸브;를 포함하고, 상기 퀵 오픈 밸브는, 상기 열전달 시스템 내 존재하는 기체 성분이 상기 드레인 탱크로 유입되도록 배치되는 제2 퀵오픈 밸브; 및 상기 열전달 시스템 내 존재하는 액체 성분이 상기 드레인 탱크로 유입되도록 배치되는 제3 퀵오픈 밸브;를 포함한다.


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    Title :

    The Spread of Fire Preventing System for Arctic Ship


    Additional title:

    극지용 선박의 화재 확산 방지 시스템


    Contributors:
    NAM BYUNG TAK (author) / OH DONG JIN (author)

    Publication date :

    2023-04-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    A62C FIRE-FIGHTING , Feuerbekämpfung / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS



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