摘要
为了解决煤矿生活污水处理中自动化程度低、出水水质不够稳定的问题,根据水处理工艺的监控和控制要求,主要包括清污机的定时控制、污水提升泵和排泥泵的液位联锁控制、曝气系统的变频自动控制等,构建了由上位机监控单元、PLC控制单元、电气执行单元组成的自控系统,给出了自控系统的硬件配置、PLC控制程序设计和上位机监控程序设计等内容。运行实践表明自控系统运行稳定、操作简单,提高了管理水平和工作效率。
To solve the problems of low automation and unstable water quality of effluent in the process of domestic sewage treatment at a coal mine, the automatic control system, which mainly consists of the monitoring and control unit of host computer, the control unit of PLC and the executing unit of electrical equipments, was constructed according to the control requirements including fixed-time control of trash remover, interconnected control of liquid level for sewage lift pumps and sludge pumps, and automatic control of aeration system. This paper also presents hardware configuration, PLC control and host computer control of the automatic control system. The operation practice spows that the system has the characteristics of stable running, simple operation, and can improve management level and work efficiency.
出处
《能源环境保护》
2013年第3期36-38,42,共4页
Energy Environmental Protection
关键词
生活污水
自控系统
PLC
组态
domestic sewage
automatic control
PLC
configuration
