长距离重力流输水管线首次回供水工程实例

A case study of the first reversed water supply of long distance gravity water pipeline

郑州市港区一水厂输水管线首次向市区回供通水,面临输水管线水锤防护及回供水对市区管网产生水力冲击影响的问题。采用Hammer及Bentley Water GEMS软件构建了水锤模型和管网水力模型,对不同输水工况的管道水力瞬变流以及对市政管网的影响区域进行了模拟计算分析。通过优选通水方案并有效指导首次回供通水方案,以保证管网安全运行。

According to the issues such as control of hammer, hydraulic influence of reversed water supply to urban network in Gangqu waterworks, which was first reversed in Zhengzhou City. Hammer model and network hydraulic model were constructed in order to calculate and to analyze the transient flow, area of influence in different water conditions and water supply program optimization, to ensure the safe operation of water network.