城市供水管网系统分区改造模式的研究

通过分析我国城市供水管网的现状，阐述了管网分区的含义，指出分区供水是提高供水优化调度效率的基础，并介绍了以供水分界线和节点压力为依据的分区方法，以及区域内部、区域间的规划。通过管网分区，各管段的功能明确，易于区域计量及压力控制。整个管网系统便于优化调度，减小管网的漏失，提高经济效益。

The study on the mode of subarea and rebuilding of city water supply system

By analyzing the present status of water supply system of our country, the concept of subarea of city water supply system is detailed. Pointing out that the subarea is the foundation of optimal control. Then the method of subarea based on the boundary of water supply and the pressure of the nodes is brought forward, and how to programming between and in the small area is discussed. Through subarea, the functions of pipes are definite. So we can more easily compute the flow of some area, control the pressure of pipes, optimize the water supply system. Thus, the aim to reducing the pipe leaks and improving the benefit on economy is obtained.