Auto-control system of electrolyzer of caustic soda units were introduced. The traditional method were optimized. And according to production condition, the lectotype of instrument were discussed.

• 对烧碱装置中电解槽的自动控制系统进行了阐述,对传统控制手段进行了优化设计,并根据生产条件,对仪表的选型进行了较为详细的论述。