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介绍基于PROFIBUS-DP通信的污泥脱水管理和控制一体化系统,实现污水处理的自动化过程检测和控制。该系统利用中小型PLC、HMI、PROFIBUS-DP现场总线等成熟技术,组成了一个系统信息集中,主体设备分散控制的由现场控制级、中间控制级和生产管理三层控制网组成的污泥脱水管控一体化系统。此套系统投入已来最大限度地按照生产要求,合理利用公共辅助设备及主体设备,节约了投资及维护支出。同时,出于生产管理方面的需要,系统提供了大量的生产运行实时数据及记录,便于统计分析。经实践使用,这套自动化管理和控制一体化系统在污水处理中达到了预期的管理和控制效果。
This paper introduces an integrated system of sludge dewatering management and control based on PROFIBUS-DP communication to realize the automatic process detection and control of sewage treatment. The system makes use of mature technologies such as small PLC, HMI and PROFIBUS-DP fieldbus to form a sludge dewatering system consisting of on-site control level, intermediate control level and production management three-layer control network with centralized system information and distributed decentralized main equipment. Control and integration system. This system has been put into production to maximize the production requirements, the rational use of public auxiliary equipment and the main equipment, saving investment and maintenance expenses. At the same time, out of production management needs, the system provides a large number of production runs real-time data and records for statistical analysis. Through practical use, this automated management and control integrated system achieves the expected management and control effects in wastewater treatment.