The paper illustrates the contents for the automatic system design of some water treatment plant,analyzes its meter allocation methods, introduces the three aspects of the automatic controlling system,and sums up the allocation requirements for the central monitoring station,warn-ing system,adding medicine system and sewage treatment controlling station,so as to realize the automatic control of the plant.%阐述了某水厂自动化系统设计的内容，分析了其仪表配置方式，并对自动化控制系统包含的三个层次进行了介绍，总结了该水厂中央监控主站、报警系统、加药系统及污水处理控制站的设置要点，以期实现水厂自动化控制的目标要求。
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