The invention relates to a special gas dome for a thin film type LNG transport ship and the LNG transport ship, the gas dome is arranged above a dome deck, an inner deck is arranged below the dome deck, and an isolation void is formed between the dome deck and the inner deck; a liquid cargo tank is arranged below the inner deck, and an enclosure system is arranged outside the liquid cargo tank below the inner deck; a low-temperature expansion pipe is connected between the gas dome and the liquid cargo tank and penetrates through the dome deck, the inner deck and the enclosure system; a communicating pipe is connected between the space between the liquid cargo tank and the enclosure system and the gas dome, the space between the liquid cargo tank and the enclosure system is communicated with the gas dome through the communicating pipe when the liquid cargo tank leaks, and the communicating pipe between the space between the liquid cargo tank and the enclosure system and the gas dome is disconnected when the liquid cargo tank does not leak. The gas dome recycles gas volatilized by the liquid cargo tank; when the liquid cargo tank leaks, the communicating pipe balances the air pressure of the space between the containment system and the liquid cargo tank, and the ship body is prevented from being damaged.
本发明涉及一种薄膜型LNG运输船专用气体穹顶及LNG运输船,该气体穹顶布置在穹顶甲板上方,穹顶甲板下方设置内甲板,穹顶甲板和内甲板之间形成隔离空舱;内甲板下方设置液货舱,内甲板下方在液货舱外部设置围护系统;气体穹顶和液货舱之间连接有低温膨胀管,低温膨胀管穿过穹顶甲板、内甲板和围护系统;液货舱和围护系统之间的空间和气体穹顶之间连接有连通管,液货舱泄漏时所述液货舱和围护系统之间的空间和气体穹顶之间通过连通管连通,液货舱未泄露时所述液货舱和围护系统之间的空间和气体穹顶之间的连通管断开。本发明的气体穹顶对液货舱挥发的气体进行回收;液货舱发生泄漏时,连通管平衡围护系统与液货舱之间空间的气压,避免破坏船体。
Special gas dome for thin film type LNG transport ship and LNG transport ship
一种薄膜型LNG运输船专用气体穹顶及LNG运输船
2024-01-12
Patent
Electronic Resource
Chinese
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |