钠冷快堆丧失蒸汽发生器模块后的最佳工况研究

Research on Optimum State of Sodium-cooled Fast Reactor with Loss of Steam Generator Module

钠冷快堆通过采用模块式蒸汽发生器的设计方案以提高核电厂的负荷因子。核电厂运行中若发生丧失蒸汽发生器模块事件,核电厂工况将发生变化,应进行适当的调节,调节的目标工况可通过设计与研究给出。本工作对某典型池式钠冷快堆丧失1个蒸汽发生器模块后的最佳工况进行研究,主要研究内容包括对其主热传输系统进行建模,开展主热参数匹配计算,根据相关运行限值来筛选方案并分析关键参数,最终给出较为合适的运行工况。本工作为钠冷快堆在丧失蒸汽发生器模块后的工况设计提供了重要依据。

By adopting the design proposal of modular steam generator, the load factor of the sodium-cooled fast reactor （SFR） could be improved. The state of the plant would be about to change in case of loss of steam generator modules in the daily operation, and the modulatory state of the plant should be given by means of design and research. This research selected a typical pool-type SFR to study the state of the plant with loss of one of its steam generator modules, which included establishment of a model to the main heat transfer system, massive matching calculation on its main thermal parameters, discard of those projects that did not meet the relevant operating limits, analysis of key parameters and determination of the optimum state. This work lays a foundation for the design of the state of SFR with loss of steam generator modules.