蒙特卡罗方法在高放废物贮存库屏蔽盖板设计中的应用

Design of a Shielding Cover Plate for High Level RadioactiveWaste Storage Well by Using Monte Carlo Method

利用蒙特卡罗方法,分别模拟了屏蔽盖板间缝隙、盖板材料及贮存井壁内部结构对屏蔽效果的影响。通过分析对比,最终提出了一种高放废物贮存井盖板屏蔽设计的解决方案,不仅可满足辐射防护设计安全性的基本要求,而且最大程度地实现了废物库建设经济性的目的。这种贮存井盖板设计方法最终可量化,推广到更多同类型后处理设施的屏蔽设计工作中。

By using Monte Carlo Method,this paper proposes a multi-dimensional design of the shielding cover plate of the storage well,and discusses the change of the radiation protection effect of the cover plate when the stratification of the shielding cover plate,the gap between the shielding cover plates and the distance between the cover plate and the storage well wall are changed.Through analysis and comparison,a solution for the shielding design(concrete based-concrete cover plate)of the cover plate of high level radioactive waste storage well is finally proposed,which can not only meet the basic requirements of the safety of radiation protection design,but also realize the economic purpose of waste warehouse construction to the greatest extent.The design method of storage well cover plate can be quantified and extended to the shielding design of more similar post-treatment facilities.