液态锂回路的净化及在线检测系统

Purification and on-line monitoring systemin liquid lithium loop

介绍了液态锂回路中的净化及在线检测装置。该装置采用了冷阱法和热阱法,使回路中产生的C、O、N和氢同位素等杂质降至10wppm以下。目前,已经利用四电极测电阻法测量了放锂前后的电阻随温度的变化曲线,再经过多项式拟合,计算得到了纯锂的电阻率随温度变化的函数。

The purification and on-line monitoring system in the liquid lithium loop was introduced. By using the cold trap and the thermal trap, the facility can reduce C, O, N and hydrogen isotopes concentrations below 10wppm. At present, the resistance curves as a function of temperature with and without lithium have been measured by the four electrode method measuring the resistance, and the resistivity of pure liquid lithium as a function of temperature has been derived by the polynomial fitting and calculation.