基于供水管网水力模型的DMA分区效果评价  

Evaluation of DMA Zoning Effect Based on Water Conservancy Model of Water Supply Network

作　　者：张艳平 Zhang Yanping(Shanxi Wujian Group Co.Ltd.,Taiyuan,Shanxi 0300)

机构地区：[1]山西五建集团有限公司,山西太原030013

出　　处：《江西建材》2024年第10期405-408,412,共5页

摘　　要：文中针对城市供水管网组成复杂、易漏损的问题,提出DMA分区方法,通过对DMA概念的了解,结合实例,确定A市供水管网GIS系统数据,建立管网模型,根据管段和管网节点水力特性,划分独立计量区域,检验模型的DMA分区效果。结果表明,漏损发生区域和漏损水量的识别结果准确且迅速,满足DMA分区内节点需求,本模型的分区方案使管网漏损率下降12.99%,可缓解因漏损导致的水资源浪费,提高水资源利用率,实现漏损部位高效定位和有效修复,对复杂城市供水管网运行管理提供技术指导,具有较高应用价值。A DMA partitioning method is proposed to address the complex composition and easy leakage of urban water supply pipelines.By understanding the concept of DMA and combining it with examples,determine the GIS system data of A city's water supply pipeline network,establish a pipeline network model,divide independent metering areas based on the hydraulic characteristics of pipeline segments and nodes,and test the DMA zoning effect of the model.The results indicate that the identification of the leakage occurrence area and leakage water volume is accurate and rapid,meeting the requirements of nodes within the DMA partition.The partition scheme of this model reduces the leakage rate of the pipeline network by 12.99%,alleviates water resource waste caused by leakage,improves water resource utilization,achieves efficient location and effective repair of leakage parts,and provides technical guidance for the operation and management of complex urban water supply pipelines,with high application value.

关 键 词：供水管网 水力模型 DMA分区 漏损率 可行性检验 

分 类 号：TU74[建筑科学—建筑技术科学]