宁德核电N1机组化学性能指标管理实践

Practice of Wano Chemistry Index Management in Ningde Nuclear Power Plant

宁德核电N1机组二回路水质控制,在不同阶段采取相应的控制措施,系统安装阶段设备保养减少腐蚀、调试和启机阶段严格控制二回路冲洗排污、运行期间逐一排查和消除污染源和有效净化二回路水质等关键过程控制,使得二回路水质得到持续优化,N1机组商运首年化学性能指标达到世界先进水平。

For the water quality management at Ningde NPP Unit 1 ,a variety of measures were taken at dif-ferent stages of construction ,involving equipment maintenance to reduce corrosion of thermal container during the installing stage of system ,strict control over rinse and drain during debugging and startup stage ,and check and removal of contamination sources in an one-by-one way .Thus ,secondary loop water quality is continuous-ly improved .Chemistry performance index (CPI ) had reached advanced level of WANO in the first year of commercial operation .