LIUTian-shun,ZHANGGuo-wei,LIUZhi-sheng.Application of Negative Pressure Drainage System in Rural Sewage Collection[J].China Water & Wastewater,2022,38(24):64-71.
负压排水系统在农村污水收集中的应用
- Title:
- Application of Negative Pressure Drainage System in Rural Sewage Collection
- Keywords:
- rural sewage; negative pressure drainage system; gas-liquid ratio; black-grey water separation
- 摘要:
- 针对部分农村地区地形复杂、建筑密集、街道狭窄、道路硬化程度高等特点，利用负压排水技术解决重力流排水系统盲区内的污水收集问题。对农村负压排水系统的组成及主要设备进行了系统阐述，总结分析了影响农村地区室外负压管网设计参数选取的因素，提出了大片区负压排水系统智慧化运维管理的必要性，并结合实际工程案例进行了分析。最后针对负压系统中的施工建设、合流系统运行策略、冬季运行及建设运行成本等提出了相应建议。
- Abstract:
- In some rural areas with the characteristics of complex terrain, dense buildings, narrow streets and high consolidation degree of roads, negative pressure drainage technology can be used to solve the sewage collection problem in areas without gravity flow drainage system. The composition and main equipment of rural negative pressure drainage system was systematically introduced, and the factors affecting the selection of design parameters of outdoor negative pressure pipe network in rural areas were summarized and analyzed. The necessity of intelligent operation and maintenance management of negative pressure drainage system in large areas was proposed and exemplified by practical engineering cases. Finally, corresponding suggestions were proposed to solve the problems such as construction of negative pressure system, operation strategy of the combined system, winter operation, and construction and operational cost of the system.
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