Method, device and equipment for calculating nuclear critical safety of uranium solution

The invention provides a uranium solution nuclear critical safety calculation method, device and equipment, and the method comprises the steps: obtaining material parameters and geometric parameters in a uranium solution system; the uranium solution system is a dissolver containing a uranium solution; the uranium enrichment degree of the uranium solution is lower than 20%; constructing a grid model according to the material parameters, the geometric parameters and nuclear fuel rods; and calculating effective neutron proliferation factors of the uranium solution system through the grid model. According to the scheme provided by the invention, the accuracy and precision of nuclear critical safety calculation can be improved. 本发明提供一种铀溶液的核临界安全计算的方法、装置及设备，其中，所述方法包括：获取铀溶液系统中的材料参数与几何参数；所述铀溶液系统为盛放有铀溶液的溶解器；所述铀溶液的铀富集度低于20％；根据所述材料参数、所述几何参数以及核燃料棒构建栅格模型；通过所述栅格模型计算所述铀溶液系统的有效中子增殖因子。本发明提供的方案可以提高核临界安全计算的准确度与精度。