摘要介绍了水处理工艺，结合生产实际设计了一套基于组态王和PLC 的SCADA 补给水控制系统，使系统的运行和离子交换器的再生达到优化，性能达到生产要求，出水水质稳定，又降低生产成本。关键词PLC 化学水处理控制系统Abstract The technique process of water treatment is introduced. Combining with the practical production，a SCADA system based on Kingview andPLC is designed for makeup water control system. The operation of the system and the regeneration of the ion exchanger are optimized. The performanceof the system meet the requirement of production and the quality of water is stable，in addition，the cost of production has been reduced.Keywords PLC Chemical water treatment Control system