钍基熔盐反应堆中熔盐冷却回路的分析研究

Analysis on Molten Salt Cooling Loop in Thorium Based Molten Salt Reactor

首先,介绍了钍基熔盐反应堆的低压运行优点与结构的安全性。其次,研究了熔盐循环冷却回路系统,包括一次燃料盐回路系统和二次冷却盐回路系统,讨论了熔盐循环回路系统中熔盐局部过热的原因及危害,分析了熔盐最高液膜温度的计算方法。最后,探讨了熔盐循环冷却回路系统的设计开发步骤,并分析了熔盐循环冷却回路系统的计算机自动控制。

Firstly, the advantages of low-pressure operation and structural safety of thorium based molten salt reactors are introduced. Secondly, the cooling loop system（including the primary fuel salt loop system and the secondary cooling salt loop system） of molten salt is studied, the cause and harm of local overheating of molten salt are discussed, and the method for calculating the maximum liquid film temperature of molten salt is analyzed. Finally, the design steps of molten salt circulating cooling loop system are discussed, and the computer automatic control of the cooling loop system is analyzed.