目录引言.....................................................................................................................................51设计任务及设计资料......................................................................................................61.1设计任务与内容.................................................................................................................61.2设计原始资料.....................................................................................................................61.2.1城市气象资料.............................................................................................................61.2.2地质资料.....................................................................................................................61.2.3设计规模.....................................................................................................................71.2.4进出水水质.................................................................................................................72、设计说明书...................................................................................................................72.1去除率的计算.....................................................................................................................72.1.1溶解性BOD5的去除率.................................................................................................72.1.2CODr的去除率：........................................................................................................82.1.3.SS的去除率：...........................................................................................................82.1.4.总氮的去除率：........................................................................................................82.1.5.磷酸盐的去除率........................................................................................................92.2城市污水处理工艺选择.....................................................................................................92.3、污水厂总平面图的布置................................................................................................102.4、处理构筑物设计流量(二级)........................................................................................102.5、污水处理构筑物设计....................................................................................................112.5.1.中格栅和提升泵房（两者合建在一起）..............................................................112.5.2、沉沙池....................................................................................................................122.5.3、初沉池....................................................................................................................132.5.4、厌氧池....................................................................................................................132.5.5、缺氧池....................................................................................................................132.5.6、曝气池....................................................................................................................142.5.7、二沉池....................................................................................................................142.6、污泥处理构筑物...
