CAST 污水处理工艺故障诊断方法的研究与应用

摘要

This paper analyzes the characteristics and requirements of CAST wastewater treatment process fault diagnosis. On this basis,it put forward methods to establish the CAST process fault di-agnosis system:use the automatic monitoring system to realize online monitoring and fault alarming, construct fault diagnosis model through the fault tree analysis method,and perform the fast fault diag-nosis combined with the operation parameters trend chart. It introduces this diagnosis process by a practical application in a sewage treatment plant.%本文分析了 CAST 污水处理工艺故障诊断的特点和需求。在此基础上，提出了建立 CAST工艺故障诊断系统的思路和方法，利用自动化监控系统实现在线故障监测和报警，利用故障树分析法构建故障诊断模型，结合运行参数趋势图，实现故障快速诊断。文章通过实例分析，介绍了该方法在污水处理厂的实际应用。