雨水渗透设施对屋面径流污染控制效果  

Effect of Stormwater Infiltration Equipments on Roof Runoff Pollution Control

作　　者：黄璁 李金 沈晓荣 孙浩铭 卢雯霖 冯晓楠[2] HUANG Cong;LI Jin;SHEN Xiaorong;SUN Haoming;LU Wenlin;FENG Xiaonan(PowerChina Huadong Engineering Co.,Ltd.,Hangzhou 311100,China;College of Environmental Science and Engineering,Huazhong University of Science and Technology,Wuhan 430070,China)

机构地区：[1]中国电建集团华东勘测设计研究院有限公司,浙江杭州311100 [2]华中科技大学环境科学与工程学院,湖北武汉430070

出　　处：《净水技术》2023年第3期151-157,共7页Water Purification Technology

摘　　要：通过研究优化雨水渗透设施的填料配比,探究其对屋面雨水径流量以及径流污染的控制效果。结果表明,当雨水渗透设施采用30%粗砂+60%中粗砂+10%细砂作为主填料,搭配30%炼钢炉渣+70%沸石的副填料时,降雨强度取重现期为2 a时,其削减径流峰值和延后洪峰时间的效果可分别达到15%和220 s;优化设计后的雨水渗透设施对COD_(Cr)和TN的去除效果分别为30%~40%和20%~25%,对TP、氨氮和SS的去除效果较好,分别可达85%~95%、90%~95%和85%~95%。The control effects on roof stormwater runoff and runoff pollution was studied by optimizing the packing ratio of stormwater infiltration equipment.The results showed that when the rainfall return period was 2 a,the infiltration equipment could reduce the runoff peak by 15%and delay flood peak time for 220 s under the condition of 30%coarse sand,60%medium coarse sand,10%fine sand as main packing and 30%steelmaking slag,70%zeolite as auxiliary packing.The removal efficiency of COD_(Cr)and TN in the optimized stormwater infiltration equipment was 30%~40%and 20%~25%,respectively.The removal efficiency of TP,ammonia nitrogen and SS was more prominent,reaching 85%~95%,90%~95%and 85%~95%,respectively.

关 键 词：雨水渗透设施 炼钢炉渣 径流控制 填料配比 屋面雨水 

分 类 号：TU992[建筑科学—市政工程]