4万吨/天污水处理厂设计方案4万吨/天污水处理厂设计方案二0一四年8月目录第一章概述...................................................................................................................11.1项目名称..........................................................................................................11.2建设单位及设计单位......................................................................................11.3建设规模..........................................................................................................11.4设计依据..........................................................................................................11.4.1项目的基础资料...................................................................................11.4.2我国现行的有关水污染防治的政策、法规.......................................11.4.3设计采用的相关规范和标准：...........................................................11.5进出水水质及排放标准..................................................................................2第二章工艺方案选择...................................................................................................32.1水质分析..........................................................................................................32.2污水处理工艺选择..........................................................................................32.1.1一级处理工艺选择...............................................................................32.1.2二级处理工艺选择...............................................................................32.1.3三级处理工艺选择...............................................................................52.1.4消毒方案...............................................................................................82.3污泥处理工艺..................................................................................................92.3.1污泥处理工艺选择...............................................................................92.3.2污泥浓缩、脱水工艺选择.................................................................102.4工艺小结........................................................................................................11第三章工程设计.........................................................................................................133.1工艺流程........................................................................................................133.2主要构筑物设计............................................................................................133.2.1粗格栅及提升泵房.............................................................................134万吨/天污水处理厂设计方案3.2.2细格栅及旋流沉砂池.........................................................................153.2.3A2/O生化池........................................................................................183.2.4二沉池配水井及污泥回流泵房.........................................................193.2.5二沉池.................................................................................................203.2.6高效澄清池.........................................................................................203.2.7纤维转盘滤池.....................................................................................213.2.8紫外消毒池.........
