ZHANGShuo,ZHAOZhendong,ZONGNi,et al.Rainfall-derived Infiltration and Inflow Analysis Based on Integrated Plant-Network Front-end Perception and Monitoring System[J].China Water & Wastewater,2026,42(11):116-121.
基于厂网一体前端感知监测的雨水入流入渗分析
- Title:
- Rainfall-derived Infiltration and Inflow Analysis Based on Integrated Plant-Network Front-end Perception and Monitoring System
- Keywords:
- integrated plant-network system; combined sewer overflow; infiltration and inflow; interceptor ratio; drainage monitoring system
- 摘要:
- 基于厂网一体化前端感知监测体系,对降雨期间污水系统的收集、转输及处理设施等关键节点进行连续水量监测,通过监测数据量化分析研究区域污水系统的雨水入流入渗量,结合对区域内截流设施、管道病害及雨污混接等情况的现场调查提出相应的控制措施。研究结果表明,降雨期间雨水混入污水管网是导致污水系统溢流的直接原因,据此提出通过推进开展市政截流井改造、小区内部排水设施专业化运维及排水管道病害缺陷治理等应对策略,降低降雨期间污水系统的水量冲击负荷,进而减小汛期溢流污染,保障地表水环境质量。
- Abstract:
- Based on an integrated plant-network front?end perception and monitoring system, this study conducted continuous water quantity monitoring at key nodes of the sewage system, including collection, transfer, and treatment facilities, during rainfall events. Through quantitative analysis of the monitoring data, the volume of rainfall?derived infiltration and inflow into the sewage system within the study area was assessed. In combination with field investigations of interception facilities, pipeline defects, and illicit connections between rainwater and sewage systems within the area, corresponding control measures were proposed. The results indicated that the direct cause of sewage system overflow was the ingress of rainwater into the sewage network. Accordingly, countermeasures such as the retrofitting of municipal interception manholes, specialized operation and maintenance of internal drainage facilities in residential areas, and rehabilitation of pipeline defects and damages were recommended to reduce the hydraulic shock load on the sewage system during rainfall, thereby mitigating wet?weather overflow pollution and safeguarding surface water quality.
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