MOX燃料在CANDU重水堆中应用可行性的研究  

Feasibility Study on Application of MOX Fuel in a CANDU Reactor

作　　者：王晓霞[1] 谢仲生[1] 

机构地区：[1]西安交通大学,710049

出　　处：《核动力工程》2005年第6期535-538,543,共5页Nuclear Power Engineering

摘　　要：针对CANFLEX组件装载MOX燃料在CANDU重水堆中的应用进行了时均和瞬态验证计算。计算结果表明,最大通道功率和最大棒束功率均未超过限值。勿需对堆芯结构和运行模式做重大改变即可完成从天然铀堆芯向MOX堆芯的过渡。提出了应用MOX燃料的PWR／CANDU联合燃料循环策略。估算表明,秦山三期CANDU堆采用先进PWR／CANDU联合燃料循环,将使燃耗提高到13900MW·d／t(U)；相对于PWR和CANDU堆各自独立的燃料循环,每年节省天然铀资源180t,减少乏燃料处置量约128t。The time-average and instantaneous calculations of CANFLEX bundle with MOX fuel in a CANDU reactor are performed, and computational results demonstrate that the maximum bundle power and channel power are under the permissible limits. The transition from natural uranium core to MOX loading core is feasible without major modification of core structure and operation mode. An advanced PWR/CANDU synergism fuel cycle using MOX fuel are proposed and studied. It is estimated that the implementation of advanced PWR/CANDU synergism fuel cycle for Qinshan Phase Ill NPP will increase the burnup to 13900MW·d/t（U）, save Natural Uranium resource 181t/a, and decrease the spent fuel to be disposed -128t/a in comparison with separate PWR and CANDU fuel cycle.

关 键 词：CANDU堆 MOX燃料 PWR/CANDU联合循环 

分 类 号：TL329[核科学技术—核技术及应用]