WU Xiao-yong,AI Jing,WANG Sheng,et al.Construction and Impact Assessment of Water Supply Network Layout with Separating Water Supply and Distribution Pipes[J].China Water & Wastewater,2020,36(21):53-57.
输配分离供水管网布局的构建与影响评估
- Title:
- Construction and Impact Assessment of Water Supply Network Layout with Separating Water Supply and Distribution Pipes
- 摘要:
- 随着城市的发展，上海市浦西地区的供水管网不断扩张，布局复杂。为了探索输水管、配水管功能分离的供水管网布局在该地区的可行性，结合浦西地区的管网特点，提出了一套供水管网输配分离的构建方法，包括输配水管的界定、水源管道的选择、监测点的布置等。在浦西BWT区域进行输配分离试点，通过建立该地区的供水管网水力模型，并结合遗传算法，选择了2处水源管道，完成了输配分离。经过一段时间的稳定运行后，收集数据对该区域供水管网中的水压、流态进行评估，发现输配分离有利于区域压力均衡和降压。同时，根据水力模型分析，指出了需要重点关注水质情况的区域，即水龄最长区域和管内水流流态变化较大的管道。
- Abstract:
- With the development of the city, water supply network in Puxi area of Shanghai is expanding and its layout becomes complicated. In order to explore the feasibility of the layout of water supply network with separating functions of water supply pipes and water distribution pipes in this area, a set of construction method for separation of water supply and distribution pipes was proposed combined with the characteristics of pipe network in Puxi area, which included definition of water supply and distribution pipes, selection of water source pipes, arrangement of monitoring points, etc. Then, a pilot project was carried out in BWT area of Puxi. By establishing a hydraulic model of the water supply network in this area and combining genetic algorithms, two water source pipes were selected to complete the separation of supply and distribution pipes. After a period of stable operation, a series of data was collected to evaluate the water pressure and flow pattern in the regional water supply network. It was proved that the separation of supply and distribution pipes was beneficial to regional pressure equalization and pressure reduction. At the same time, according to the analysis of the hydraulic model, it pointed out the areas that needed to pay attention to the water quality, namely the area with the longest water age and the pipe where the water flow pattern changed greatly.
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