摘要
针对寒冷地区冬季气温对人工湿地运行效果的影响,借鉴已有工程案例的设计理论,构建了取水控制室-水平潜流人工湿地-景观蓄水塘的生态水处理系统,以深度处理污水处理厂的出水。对填料深度、孔隙率等参数进行了论证取值,优化设计了布、集水系统,在提高人工湿地布水均匀性和水力效率的同时,间接地缓解了堵塞问题的发生并保障了低温下污染物的去除效率,为北方寒冷地区人工湿地的工程设计和冬季的管理维护提供了参考。
The low temperature has a strong influence on operating effect of artificial wetland in cold region. Based on the design theory of previous engineering projects, we establish an ecological water treatment system consisting of inflow control room, horizontal subsurface flow artificial wetland and landscape pond for treating the effluent from wastewater treatment plant. The depth and porosity of the substrate are discussed. And inflow and outflow configurations in the sys tern are optimized. On the premise of enhancing the uniformity of water distribution and hydraulic efficiency, the system indirectly abates the problem of clogging and ensures the pollutants removal in winter. Therefore, it provides reference for project design and maintenance management of artificial wetland in northern China.
出处
《水电能源科学》
北大核心
2013年第12期195-197,232,共4页
Water Resources and Power
基金
国家自然科学基金资助项目(51209030)
河海大学水文水资源与水利工程科学国家重点实验室基金资助项目(2011490711)
关键词
人工湿地
寒冷地区
深度处理
优化设计
artificial wetland
cold area
advanced treatment
optimization design
