摘要
针对供水管网系统爆管监控问题,利用某水厂数据采集与监视控制系统(SCADA)监测到的压力波动,分析了管网压力波动环境背景噪声,确定了管网压力波动的拐点。采用该水厂的水力模型模拟爆管对管网的水力冲击,并根据压力异常波动的拐点确定了该水司供水管网系统爆管可监控最小管径在DN600左右,对于大于该管径范围的管道爆管,能够利用爆管监控的压力波动方法进行实时监控。
For the purpose of pipe burst detection in the water distribution system, the pressure fluctuations monitored by the SCADA system for a waterworks was used to analyze the environmental background noise of pressure fluctuations of the water distribution system and determine the thresholds of abnormal pressure fluctuations. The pressure fluctuations caused by pipe burst were simulated by the hydraulic model. The minimum detectable pipe diameter was determined to be DN600 by comparing the thresholds of the pressure fluctuations. The pipe bursts with pipe diameter over DN600 could be detected by analyzing the real-time pressure fluctuations.
出处
《中国给水排水》
CAS
CSCD
北大核心
2014年第23期117-122,共6页
China Water & Wastewater
基金
国家水体污染控制与治理科技重大专项(2009ZX07423
2012ZX07408-002)
国家高技术研究发展计划(863)项目(2012AA062608)
穗水科信项目(2014-3)
广州市水务科技项目(2014)
关键词
供水管网系统
爆管监控
可监控最小管径
水力模型
water distribution system
pipe burst detection
minimum detectable pipe diame- ter
hydraulic model
