The invention discloses a cooling inerting system for an LNG ship and a control method, and relates to the field of LNG ships, the cooling inerting system is matched with a heat exchanger, a liquid cargo tank and terminal equipment in a ship body, the terminal equipment is connected with the heat exchanger, and the system comprises a spraying system and a vaporization system; the vaporization system comprises a liquid nitrogen tank and a vaporizer, and liquefied nitrogen of the liquid nitrogen tank is vaporized by the vaporizer and then conveyed to the liquid cargo tank for inerting; the spraying system comprises an external water source and a spraying pipe fitting, water of the external water source flows into the heat exchanger to cool the terminal equipment, and cooling water is sprayed to the vaporizer from the spraying pipe fitting after being heated; the heat energy absorbed by the temporary cooling water after part of equipment of the ship is cooled is utilized to compensate the insufficient heat absorbed by the fins of the liquid nitrogen vaporizer, exchange and utilization of cold energy and hot energy are achieved, and energy is saved.

    一种LNG船用冷却惰化系统及控制方法,涉及LNG船舶领域,与船体内的换热器、液货舱和终端设备配合,终端设备与换热器连接,所述系统包括喷淋系统和汽化系统;所述汽化系统包括液氮罐和汽化器,所述液氮罐的液化氮经过汽化器汽化后输送至液货舱惰化;所述喷淋系统包括通过外部水源及喷淋管件,所述外部水源的水流入换热器对终端设备进行冷却,冷却水升温后从喷淋管件喷向汽化器;本发明利用临时冷却水对船舶部分设备降温后吸收的热能去补偿液氮汽化器的翅片吸收热量的不足,实现冷热能量的交换利用,节约能源。


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    Titel :

    Cooling inerting system for LNG (Liquefied Natural Gas) ship and control method


    Weitere Titelangaben:

    一种LNG船用冷却惰化系统及控制方法


    Beteiligte:
    YAN XIAOMING (Autor:in) / SUN RUI (Autor:in) / JIANG JUN (Autor:in) / LIU HE (Autor:in) / WU GANG (Autor:in) / LIN ZHAOKAI (Autor:in) / ZHU HEHUI (Autor:in) / YANG WEI (Autor:in)

    Erscheinungsdatum :

    2023-04-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS



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