The invention provides a marine reactor bottom structure based on a water tank and having a shielding function and a ship, the marine reactor bottom structure is arranged in a double-layer bottom structure below a reactor, the water tank arranged in the double-layer bottom structure below the reactor is also used as a shielding water tank, and the marine reactor bottom structure comprises a shielding body, a supporting structure and the water tank. In the height direction, the upper end of the shielding body clings to the upper plate of the double-layer bottom structure, and the lower end of the shielding body is partially immersed into the water tank; in the plane direction, the appearance of the shielding body is in a ring shape similar to a primary shielding shape of a reactor bottom structure or in a broken line shape designed along with a frame type double-layer bottom structure. The shielding body, the primary shielding body and the water tank form a closed shielding system, and the shielding body does not exceed the projection area of the primary shielding body in the double-layer bottom structure. According to the technical scheme, the problem that the radiation field of the adjacent cabin of the reactor seriously exceeds the standard due to back scattering of neutrons and gamma rays at the bottom of the reactor in a power ship and a nuclear power floating platform to the adjacent cabin through ship bottom seawater and a double-bottom structure can be solved.
本发明提供一种基于水舱兼用屏蔽功能的船用堆底结构及船舶,设置于反应堆下方的双层底结构内,将布置在反应堆下方从双层底结构内的水舱兼用作屏蔽水箱,包括:屏蔽体、支撑结构和水舱。在高度方向上,屏蔽体的上端紧贴双层底结构的上板,其下端部分没入水舱;在平面方向上,屏蔽体的外形为与堆底结构的一次屏蔽类似的圆环形或随框架式双层底结构设计的折线形;屏蔽体与一次屏蔽、水舱构成闭合的屏蔽体系,屏蔽体不超出一次屏蔽在双层底结构的投影区域。本发明技术方案,能够解决动力船舶、核动力浮动平台中反应堆底部中子与伽马射线,经船底海水及双层底结构向邻近舱室的反散射,进一步导致反应堆邻近舱室辐射场严重超标问题。
Ship reactor bottom structure based on water tank and having shielding function and ship
一种基于水舱兼用屏蔽功能的船用堆底结构及船舶
2025-03-25
Patent
Electronic Resource
Chinese
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