城市水网二次供水实时联网消毒控制系统的研究

Research on real-time networking sanitization control system for secondary city water supply

以控制城市水网水质的二次污染为目的,提出了一种基于检测、加液和通信模块相结合的设计方案。设计包括系统的整体框架和各单元硬件电路,给出了程序控制流程图,并根据有效氯测量的原理,建立了相应的修正模型。在实验室对该系统进行了实地测试,结果表明:以民用建筑的二次供水为目标,根据实测的余氯体积分数,结合有效氯添加和285 nm紫外消毒方法,可将消毒池有效氯体积分数控制在0.3×10-6,集成的通信模块将测试结果传递给水厂,增强水厂对城市水网的实时掌控,做到迅速有效的反馈,从而实现自来水饮用安全的控制。

A system that integrated with disinfection inspection,sanitization enhancement,and communication modules is developed to minimize city water secondary contamination.The whole system circuit schematics and software flowchart are provided.A corresponding testing model is designed based on effective chlorine measurement theory.Laboratory tests show that the volume fraction of effective chlorine can be controlled at 0.3×10-6.The city water quality can be maintained well with additional effective chlorine and 285nm UV sanitization process.The real-time inspection results are transmitted to the water factory by wireless communication modules to improve the factory ability to adjust water condition quickly.