核电厂含硼水溶硅去除装置分析模型与参数优化

Analysis Model and Parameter Optimization of a Silica Removal System for Boric Acid in Nuclear Power Plant

为了提高核电厂含硼水溶硅去除装置(简称除硅装置)的性能,改进了分析模型,并分别对截留分子量(MWCO)为200 Da和250 Da的反渗透膜除硅分离实验进行了理论计算。模型计算结果与实验测量值符合良好,证明了该改进模型的准确性与适用性。在此基础上,进一步对除硅装置参数优化进行了研究,分析了相关参数对装置除硅性能的影响,研究结论对除硅装置的设计与运行具有参考意义。

In order to improve the performance of the silica removal system for boric acid in nuclear power plants,the modified analysis model is established.The simulation of silica removal experiments using 200 Da and 250 Da molecular weight cut off(MWCO)reverse osmosis membranes is carried out by using this model.The calculation results meet the experimental data well,which demonstrates the accuracy and the applicability of the modified model.Further study on parameters optimization of this silica removal system based on this model is implemented as well;the effect of relevant parameters on the performance is analyzed.The conclusion is with reference significance for system design and operation.