Disclosed is an ammonia fuel supply system for a ship. The ammonia fuel supply system for a ship of the present invention, which can reduce emission of greenhouse gas during ship operation, comprises: a fuel tank which is provided on the ship to store ammonia to be supplied as fuel of an engine in the ship; a fuel supply line which is connected from the fuel tank to the engine to supply ammonia to the engine according to a fuel supply condition; a fuel return line which collects fuel not consumed in the engine from among the fuel supplied to the engine; a gas-liquid separator which is provided in the fuel supply line and receives the ammonia supplied from the fuel tank and the fuel collected to the fuel return line to separate the same into gas and liquid and supply the ammonia in a liquid state to the engine; and a tank pressure adjustment unit which adjusts the pressure inside the fuel tank. The ammonia in a gaseous state separated in the gas-liquid separator is collected to the fuel tank. The tank pressure adjustment unit cools the ammonia gas inside the fuel tank to adjust the pressure of the fuel tank.

    선박의 암모니아 연료공급시스템이 개시된다. 본 발명의 선박의 암모니아 연료공급시스템은, 선박에 마련되며 선내 엔진의 연료로 공급될 암모니아를 저장하는 연료탱크; 상기 연료탱크로부터 상기 엔진으로 연결되어 연료 공급 조건에 맞추어 암모니아를 상기 엔진으로 공급하는 연료공급라인; 상기 엔진으로 공급된 연료 중 엔진에서 소비되지 않은 연료를 회수하는 연료리턴라인; 상기 연료공급라인에 마련되며 상기 연료탱크로부터 공급되는 암모니아와 상기 연료리턴라인으로 회수되는 연료를 공급받아 기액 분리하여 액체 상태의 암모니아를 상기 엔진으로 공급하는 기액분리기; 및 상기 연료탱크의 내부 압력을 조절하는 탱크압력조절부:를 포함하고, 상기 기액분리기에서 분리된 기체 상태의 암모니아는 상기 연료탱크로 회수되고, 상기 탱크압력조절부에서는 상기 연료탱크 내부의 암모니아 가스를 냉각하여 연료탱크 압력을 조절하는 것을 특징으로 한다.


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    Title :

    Ammonia Fuel Supply System For Ship


    Additional title:

    선박의 암모니아 연료공급시스템


    Contributors:

    Publication date :

    2023-03-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / 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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