The invention provides a liquefied gas carrier which comprises a CO2 absorption system used for absorbing carbon dioxide in carbon-containing flue gas discharged from a smoke outlet and discharging decarbonized flue gas and rich liquid; the CO2 separation system is used for separating the rich solution into gaseous carbon dioxide and barren solution; the CO2 purification and liquefaction system comprises a pressure regulator and a purification tower, the purification tower is communicated with a reliquefaction unit of the liquefied gas carrier, gaseous carbon dioxide enters the reliquefaction unit after being pressurized and purified by the pressure regulator and the purification tower, and the gaseous carbon dioxide is cooled into liquid carbon dioxide; after the fuel in the deck tank is consumed, the deck tank is used for receiving and storing the liquid carbon dioxide liquefied by the reliquefaction unit; the CO2 storage tank is communicated with the reliquefaction unit, and the CO2 storage tank and the deck tank cooperate to receive and store the liquid carbon dioxide liquefied by the reliquefaction unit; an inlet of the conveying pipeline is communicated with the deck tank and the CO2 storage tank at the same time and can extinguish fire between the engine room and/or the motor and the compressor. According to the invention, carbon emission reduction and ship weight reduction are realized.

    本申请提供一种液化气船,包括CO2吸收系统用于吸收排烟口排出的含碳烟气中的二氧化碳,并排出脱碳烟气和富液;CO2分离系统用于将富液分离为气态二氧化碳和贫液;CO2提纯及液化系统包括调压器和提纯塔,提纯塔与液化气船自身的再液化单元连通,气态二氧化碳经调压器和提纯塔加压提纯后进入再液化单元,气态二氧化碳被冷却为液态二氧化碳;在甲板罐中燃料消耗完毕后,甲板罐用于接收并储存经再液化单元液化的液态二氧化碳;CO2储存罐与再液化单元连通,CO2储存罐与甲板罐协作接收并储存经再液化单元液化的液态二氧化碳;输送管路的入口同时连通甲板罐和CO2储存罐,可对机舱和/或马达与压缩机间灭火。本申请实现碳减排同时减重船舶。


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    Titel :

    Liquefied gas carrier


    Weitere Titelangaben:

    一种液化气船


    Beteiligte:
    CHEN BING (Autor:in) / ZHANG YANG (Autor:in) / LIU YIDIAN (Autor:in) / WANG KANGLUO (Autor:in) / JIANG WEI (Autor:in)

    Erscheinungsdatum :

    2023-09-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B01D SEPARATION , Trennen / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT , Verflüssigen, Verfestigen oder Trennen von Gasen oder Gasgemischen durch Druck- und Kältebehandlung



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