According to the present invention, an inert gas supply method comprises the following steps: supplying evaporated gas (BOG), generated in a liquefied natural gas storage tank, to a combined inert gas generator/gas combustion unit (IGG/GCU); combusting the BOG, supplied in the earlier step, in the combined (IGG/GCU); generating inert gas by cooling and purifying the combustion gas, generated since the evaporated gas is combusted in an earlier step; and supplying the inert gas, generated in the earlier step, to a fluid storage tank. Therefore, purging can be more efficiently performed since the evaporated gas, which is naturally generated in the liquefied natural gas storage tank, is combusted and, at the same time, the inert gas, generated by using the combustion, is supplied to the storage tank.

    본 발명에 따른 불활성 가스 공급 방법은, 액화천연가스 저장탱크에서 발생된 증발가스(BOG)를 통합 IGG/GCU(Combined Inert Gas Generator/Gas Combustion Unit)로 공급하는 단계, 상기 단계에서 공급된 증발가스를 상기 통합 IGG/GCU에서 연소시키는 단계, 상기 단계에서 증발가스가 연소되어 발생되는 연소가스를 냉각 및 정제하여 불활성 가스를 생성하는 단계 및 상기 단계에서 생성된 불활성 가스를 유체저장탱크에 공급하는 단계를 포함함으로써, 액화천연가스 저장탱크에서 자연적으로 발생되는 증발가스를 연소시킴과 동시에 이를 이용하여 생성된 불활성 가스를 저장탱크에 공급함으로써 보다 효율적으로 퍼징을 수행할 수 있다.


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    Titel :

    SUPPLYING METHOD OF INERT GAS GENERATING AND SUPPLYING SYSTEM OF INERT GAS AND LNG TREATING VESSEL WITHE THE SAME


    Weitere Titelangaben:

    불활성 가스 공급방법, 불활성 가스 생성 및 공급 시스템 및 이를 구비한 액화천연가스 운용선박


    Beteiligte:
    SON SU JEONG (Autor:in) / RYU JAE WOO (ALBERT) (Autor:in) / BAE HYUN (Autor:in)

    Erscheinungsdatum :

    2017-01-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON 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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