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为研究在级联端部设置净化级的可行性及净化效果,采用求解级联非稳态分离方程组的方法,讨论了净化级对级联的作用,并分析了级联分流比和净化比对同位素产品丰度及轻杂质含量的影响。结果表明:通过选取合适的净化级参数,能够提高目标同位素的丰度,同时去除轻杂质,达到浓缩和净化的双重目的。综合多方面考虑级联的最佳净化比为0.1。由于级联分流比对轻杂质和目标组分丰度的影响趋势相同,没有最佳的取值,要根据实际情况来确定级联的分流比。
In order to study the feasibility of purifying stage at the end of cascade and the purifying effect, the effect of purifying stage on cascade is discussed by using the method of solving cascaded unsteady separation equations, and the effects of cascade flow splitting ratio and purifying ratio Effect on Abundance and Light Impurities of Isotopic Products. The results show that: by selecting the appropriate purification level parameters, can increase the abundance of the target isotope, while removing light impurities, to achieve the dual purpose of concentration and purification. Comprehensive consideration of the best combination of multiple purification ratio of 0.1. As the impact of cascade diversion ratio on the abundance of light impurities and target components the same trend, there is no optimal value, according to the actual situation to determine the cascade split ratio.