The invention provides an LNG power-driven ship. The LNG power-driven ship comprises a ship body and a fuel supply device detachably connected with the ship body. A conveying pipeline is arranged on the ship body. The fuel supply device comprises a frame, a tank body, at least one cold box and gas supply mechanisms arranged in one-to-one correspondence with the cold boxes. An accommodating space is formed in the frame; the frame is detachably connected with the ship body; the tank body is arranged in the accommodating space; the tank body is used for loading LNG; the cold box is arranged in the accommodating space, and the cold box and the tank body are sequentially arranged in the length direction of the frame; the gas supply mechanism comprises a buffer tank, a gasification pressurization unit, a pressure regulating unit, a filling pipeline, a connecting pipeline and a gas supply pipeline, the gasification pressurization unit, the pressure regulating unit, the filling pipeline, the connecting pipeline and the gas supply pipeline are arranged in the cold box, the gasification pressurization unit is connected with the connecting pipeline, the pressure regulating unit is arranged at the downstream of the gasification pressurization unit, and the buffer tank is arranged in the accommodating space and at the downstream of the gasification pressurization unit; the gas supply pipeline is arranged on the downstream of the buffer tank so as to convey LNG outwards, and the gas supply pipeline is detachably connected with the conveying pipeline.
本发明提供了一种LNG动力船舶,包括船体以及与船体可拆卸连接的燃料供应装置。船体上设有输送管路。燃料供应装置包括框架、罐体、至少一冷箱以及与冷箱一一对应设置的供气机构。框架内部具有容纳空间;框架与船体可拆卸连接;罐体设置于容纳空间内;罐体用于装载LNG;冷箱设置于容纳空间内,并与罐体沿框架的长度方向依次设置;供气机构包括缓冲罐,以及设置于冷箱内的气化增压单元、调压单元、充装管路、连接管路和供气管路,气化增压单元与连接管路连接,调压单元设置于气化增压单元的下游,缓冲罐设置于容纳空间内,且缓冲罐设置于气化增压单元的下游,供气管路设置于缓冲罐的下游,以向外输送NG,且供气管路与输送管路可拆卸连接。
LNG (Liquefied Natural Gas) power-driven ship
LNG动力船舶
2021-09-17
Patent
Elektronische Ressource
Chinesisch
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