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摘要:供水是一个关系国计民生的重要产业，随着我国改善人民生活条件、建设小康社会及提高劳动生产水平等目标的实现，对自来水水质的要求也越来越高。水处理厂计算机自动化控制系统是保证安全、连续、优质供水的措施。本文通过分析国内外已建水厂自动化控制系统的现状，结合工艺设备智能化的发展趋势，以及我国中小型水厂现状，设计了一套自来水自动控制系统，该系统能实时监测水质、取水流量、pH值，自动控制投矾、加氯，还能自动存储历史数据。此系统不仅能降低能耗、节约成本、减少维修维护工作强度、提高管理水平、确保供水质量，还能推进我国给水工艺的发展，对减小与先进水平的差距都具有现实意义。通过运行情况表明，该系统功能齐全，性能稳定可靠，具有较强的实用性和推广价值。
关键词：自动化;组态王;监控系统；自来水厂
ABSTRACT:The water service is a significant industry in national welfare and the people's livelihood. With the quickening pace of people's living standard and the objective of achieving building a well-off society and enhancing productivity level, the water supply is increasingly demanded for the high quality. The computer automation control system of the waterworks is an effective measure for guaranteeing the high quality of the water supply in security and continuity. This article, which combines with the development tendency of the processing equipment intelligent and the reality of small and medium-sized water treatment plant in our country, has designed a water supply automatic control system by analyzing the reality of the waterworks automation control system both at home and abroad. This water supply automatic control system can in real time monitor the water quality, the water draw rate, the pH value, etc. Besides, the system can automatically add vitriol and throw chlorine; also, the system can auto save historical data. In addition, the system, in which there is an operation significance for reducing the gap with advanced standards, not only cuts down the energy consumption, saves cost, reduces the service maintenance working strength, enhances the management level, guarantees the water supply quality, but also improves the advancement of the water supply technology. The running conditions of the system reveal that its system function is complete; its performance is stable and reliable; there are strong practicability and promotion value.
Key word：Automatic; Kingview;control system;Waterworks
本课题的主要研究的内容
本设计的控制过程主要完成加矾、加氯量的调节，通过组态软件来实现。具体如下：传感器对压力、流量、浊度、余氯、PH值数据的采集，具体包括压力值、进水口流量、出水口流量、水源浊度、沉淀池浊度 、过滤池浊度、清水池浊度、出水口浊度、沉淀池余氯、过滤池余氯、清水池余氯、出水口余氯、PH值传送给控制器，控制器根据数字显示，通过PID控制加氯和投矾电动阀门的开关来实现自来水的消毒与净化。
通过组态软件实时数据显示、报表，历史数据显示，实时、历史报警，控制操作和实现数据管理。