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本文应用故障树分析方法,对快中子零功率堆(DF-Ⅵ)在启动过程中发生临界事故的可能性做了初步的定量估计。结果表明,该堆每次启动发生临界事故的概率约为10~(-6)量级,得出确保装置启动安全的首要因素是选配合格的操作人员的结论,并对设备的改进提出了一些建议.
In this paper, the fault tree analysis method is used to make a preliminary quantitative estimate of the possibility of a critical accident occurring in the startup process of a fast neutron zero power reactor (DF-VI). The results show that the critical accident probability of every startup of the reactor is about 10 ~ (-6), and the primary factor to ensure the safety of the start-up of the reactor is the qualified operator. The improvement of the equipment is proposed some advices.