西门子S7-200 SMART在好氧池排泥控制中的应用

Application of S7-200 SMART of Siemens PLC in Controlling for Discharging Phosphorus-rich Sludge of Aerobic Pond

基于对西门子S7-200 SMART在污水处理好氧池排泥控制中的应用,首先介绍了好氧池的作用工艺过程,然后分析了好氧池的控制要求,最好提供了控制系统部分的PLC接线图、梯形图。目前该控制方案已经成功应用在多个污水处理厂案例。

This paper present that S7-200 SMART of Siemens PLC is applied with controlling for discharging phosphorus-rich sludge of the aerobic pond.First of all,the handling process of the aerobic pond is described.Then,the control requirements of the aerobic pond are analyzed,and the wiring diagram and ladder diagram of the control system in PLC are provided.This control scheme has been successfully applied to a number of Sewage Treatment.