According to the present invention, a method for supplying inert gas comprises: a step of supplying boil-off gas (BOG) produced in a liquefied natural gas storage tank to a combined inert gas generator/gas combustion unit (IGG/GCU); a step of combusting the boil-off gas supplied in the previous step in the combined IGG/GCU; a step of cooling and refining combustion gas produced by combusting the boil-off gas in the previous step to produce inert gas; and a step of supplying the inert gas produced in the previous step to supply the inert gas to a fluid storage tank. The boil-off gas naturally produced in the liquefied natural gas storage tank is combusted and the inert gas produced by using combustion of the boil-off gas is supplied to the storage tank to efficiently perform purging.

    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 AND GENERATING AND SUPPLYING SYSTEM OF INERT GAS


    Weitere Titelangaben:

    불활성 가스 공급방법 및 불활성 가스 생성 및 공급 시스템


    Beteiligte:
    SON SU JEONG (Autor:in)

    Erscheinungsdatum :

    09.12.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    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 / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS




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