地下核电厂通风问题探讨

Discussion on ventilation of underground nuclear power plant

与地面核电厂相比,地下核电厂的通风要求更高、难度也更大。以阶地平埋式地下核电厂为例,介绍了地下核岛通风系统的设计思路、工艺流程及其所面临的一些问题,分析了将核岛深埋于山体内的地下核电厂在通风系统上针对这些问题进行了分析研究并探讨了相应对策,如将排风烟囱和新风井按较高抗震烈度设计、增设备用电源等。可为地下核电厂工程通风系统设计提供参考。

The ventilation of underground nuclear power plant has higher requirements and more difficulty than that of ground nuclear power plant. The underground nuclear power plant of terrace buried type is taken as an example, and the design idea and technical process of the ventilation system of the nuclear island is introduced. The challenges of the ventilation system of the underground nuclear power plant whose nuclear island is deeply buried in the mountain body are analyzed and corresponding solutions are discussed, such as taking into account of higher earthquake intensity for ventilation shaft and increasing emergency power supply, which can provide reference for the design of the ventilation system of other underground nuclear power plants.