基于DCS架构的自来水厂智能控制系统研究

Research on Intelligent Control System of Water Plant Based on DCS

摘要: 基于DCS架构的自来水厂智能控制系统对供水各环节监测点的数据采集、自动调节和监控管理，通过对工艺进行理论分析、数据跟踪分析、模型仿真、现场实验等，确立有效可靠的控制策略和方案，实现了城市供水的自动化、信息化、智能化。DCS硬件系统拥有多层面冗余配置，确保系统长期可靠运行；软件系统突破单站控制的模式，各单元的协同统筹，实现整体化的管理；过程控制与通讯技术的有效融合，实现细致的运行评估。DCS智能控制系统在网络拓扑结构设计上遵循实时、可靠、先进、开放、易维护等基本原则，具有管理控制一体化、动态的生产调度、先进过程控制及优化、故障处理专家系统等特性。通过上海月浦水厂项目应用表明，基于DCS架构的自来水厂智能控制系统适应自来水厂现场实际，满足于供水行业降低成本、提高管理、完善服务的发展方向，为自来水厂稳定运行，提高供水质量，达到节能降耗及实现现代化管理提供了可靠的技术保障，同时构建了智慧城市的一部分。

Abstract: The intelligent control system of water plant based on DCS has realized data collection, automatic regu-lation, monitoring and management for each part of water plant. Through the process of theoretical analysis, data tracking analysis, model simulation field experiment and so on, it has established the ef-fective and reliable control strategies and realized the urban water supply automation, informatization and intelligentization. DCS hardware system has multi-level redundancy configuration to ensure long- term reliable operation of system. The system software breaks through single station control mode, cooperates with each unit and has achieved the integrated management. The effective integration of process control and communication technology has achieved meticulous evaluation of operation state. The design for the network topological structure of DCS has followed the basic real-time, reliable, advanced, open, and easy principles; it has integrated management and control, dynamic production scheduling, advanced process control and optimization, and fault processing characteristics such as expert system. By DCS application in Shanghai Yuepu Water Plant, the intelligent control system of water plant based on DCS adapts to actual demand for waterworks, meets the development direction to reduce costs, improves management, and perfects the service. It has provided reliable technical support that ensures stable operation, improves water quality, reduces energy consumption, and realizes the modernization management for the water plant. At the same time, it constructs a part of the smart city.