The utility model relates to a FPSO water seal pressure regulating device for isolating empty cabins. The FPSO water seal pressure regulating device of the utility model comprises an outer cylinder body, an inner cylinder body, an air permeability valve and a water injection pipe. The outer cylinder body comprises a cylindrical water storage cylinder and a cylinder cover. An air inlet is arranged in the middle of the side wall of the water storage cylinder, and the cylinder cover is fastened to the top surface of the water storage cylinder through a connecting member; the inner cylinder body penetrates the cylinder cover and is tightly sleeved in the place. On the barrel cover, the air permeability valve is connected to the inner barrel body, and a through hole is arranged at the bottom end of the inner barrel body; the outer barrel body penetrates the deck of the isolation cabin, and the air inlet is located in the isolation cabin, and the air permeability valve is located outside the isolation cabin. The FPSO water seal pressure regulating device of the utility model has the advantages of simple structure, safety and stability, low cost and small space occupied for layout.
【技术实现步骤摘要】
一种FPSO隔离空舱水封调压装置
本技术涉及船舶设备,特别是涉及一种FPSO隔离空舱水封调压装置。
技术介绍
FPSO(FloatingProductionStorageandOffloading),即浮式生产储油卸油装置,可对原油进行初步加工并储存,被称为“海上石油工厂”。FPSO是集油气处理、储存、生活、发电、热站与原油外输于一体的极为复杂的生产装置,同时要求能在海上连续作业20~25年而不进干船坞进行修理。按照世界上几个主要船级社现有的规范要求,FPSO必须具备双舷侧结构,以防FPSO破损后污染海洋。根据船级社规范及MARPOL公约(国际防止船舶造成污染公约)的要求,为防止碰撞而引起原油泄漏造成海洋环境污染,以及可能引起的破损和爆炸危险,FPSO的所有原油舱、污油水舱、油处理工艺舱和生产水舱区均应设置隔离空舱进行保护。而这些舱室因为内外界环境变化,导致舱室内部压力超压或者负压,如原油注油时舱室温度升高,导致隔离空舱超压,在原油舱清油的过程中隔离空舱温度降低,隔离空舱负压,FPSO频繁的储存及注油作业,隔离空舱容易出现交替的超压或者负压,最终导致舱室结构变型,影响FPSO运行安全。为防止此种情况出现,通常对应隔离空舱需要设置四套爆破隔膜装置,其中三套用于防止舱室真空,一套用于防止舱室超压,而爆破隔膜装置需要由专业厂商提供,满足FPSO隔离空舱要求的爆破片及其组件供货周期长、费用昂贵,经济性差,且FPSO隔离空舱顶部空间有限,设置四套爆破隔膜装置将占用原本有限的空间,给设计及施工均带来很大困难。
技术实现思路
基于此,本技术的目的在于,提供一种FPSO隔离空舱水 ...
【技术保护点】
1.一种FPSO隔离空舱水封调压装置,其特征在于:包括外筒体、内筒体、透气阀以及注水管,所述外筒体包括圆柱形的储水筒以及筒盖,所述储水筒的侧壁开设进气口,所述筒盖通过连接件紧固扣合在所述储水筒的顶部端面上;所述内筒体贯穿所述筒盖并紧密套接在所述筒盖上,在所述内筒体的顶部端面上连接有所述透气阀,在所述内筒体的底部开设有通孔,并通过该通孔连通所述内筒体和所述外筒体;所述注水管贯通所述筒盖并延伸到所述外筒体的底部,在所述注水管的位于所述外筒体的外侧的端头上套接有密封套;所述进气口高于所述内筒体的底部端面。
【技术特征摘要】
1.一种FPSO隔离空舱水封调压装置,其特征在于:包括外筒体、内筒体、透气阀以及注水管,所述外筒体包括圆柱形的储水筒以及筒盖,所述储水筒的侧壁开设进气口,所述筒盖通过连接件紧固扣合在所述储水筒的顶部端面上;所述内筒体贯穿所述筒盖并紧密套接在所述筒盖上,在所述内筒体的顶部端面上连接有所述透气阀,在所述内筒体的底部开设有通孔,并通过该通孔连通所述内筒体和所述外筒体;所述注水管贯通所述筒盖并延伸到所述外筒体的底部,在所述注水管的位于...
【专利技术属性】
技术研发人员:罗东浩,杨俊东,冯木水,张智明,
申请(专利权)人:广州中船文冲船坞有限公司,
类型:新型
国别省市:广东,44
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