The invention relates to an ammonia fuel supply system and a using method thereof, the system comprises a storage tank, a delivery pump, a buffer tank, a booster pump, a jet injector, a heat exchanger and ammonia fuel equipment, the equipment is sequentially connected through pipelines, and different types of valves are mounted on the pipelines; liquid ammonia in the storage tank is conveyed to the buffer tank by the conveying pump; two parallel pipelines, namely a first pipeline and a second pipeline, are arranged between the delivery pump and the buffer tank and are selected according to the pressure of the storage tank; the liquid ammonia in the buffer tank is pressurized by the booster pump and then conveyed to the ammonia fuel equipment for use, and when the liquid ammonia in the buffer tank is too much, the excessive liquid ammonia returns to the storage tank through a cabin returning pipeline at the bottom of the buffer tank. According to the ammonia fuel supply system and the use method thereof, the ammonia fuel supply system is simple in structure and reliable in operation, excessive volatile ammonia gas in the storage tank is extracted, cooled and liquefied through the suction function of the jet ejector, the pressure of the storage tank is effectively controlled while liquid ammonia fuel is supplied, and safety is improved.

    本发明涉及一种氨燃料供给系统及其使用方法,系统包括储罐、输送泵、缓冲罐、增压泵、射流喷射器、热交换器和氨燃料设备,设备之间通过管路依次连接,管路上安装有不同型式的阀件;储罐内的液氨由输送泵输送至缓冲罐;输送泵与缓冲罐之间设有两条并行管路,分别是第一管路和第二管路,根据储罐压力择一选用;缓冲罐内液态氨,经增压泵加压后,输送给氨燃料设备使用,当缓冲罐内液氨过多时,过量部分液氨通过缓冲罐底部回舱管路返回储罐。本发明的一种氨燃料供给系统及其使用方法,结构简单、运行可靠,利用射流喷射器的抽吸功能,将储罐内过量的挥发氨气抽出、冷却并液化,在供给液氨燃料的同时,有效控制储罐压力,提高了安全性。


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    Title :

    Ammonia fuel supply system and use method thereof


    Additional title:

    一种氨燃料供给系统及其使用方法


    Contributors:
    LIU HENG (author) / XU ANNAN (author) / DUAN BIN (author) / WU TAO (author) / SONG ZHONGBING (author) / LU LINJIE (author) / BAO JUNJIE (author)

    Publication date :

    2023-12-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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