A2O同步脱氮除磷工艺毕业设计说明书.doc

聊城市新水河污水处理厂毕业设计 摘要 根据聊城市城市总体规划和所给的设计资料进行城市污水处理厂设计污水水量的计算、污泥处理程度计算；污水泵站设计；污水、污泥及中水处理单元构筑物的详细设计计算，（包括设计流量计算、污水管道计算、参数选择、计算过程等，并配相应的单线计算草图）；设计方案对比论证；厂区总平面布置说明；污水厂环境保护方案；污水处理运行成本分析等Liaocheng city new water river sewage treatment plant of graduation design Abstract According to liaocheng city master plan and the design data were given city sewage treatment plant design. Mainly includes the computation methods of sewage water and sludge treatment; The sewage pumping station design; Sewage and sludge and water treatment unit of structure design and calculation in detail, (including design flow, sewage pipeline calculation, parameter selection, calculation process, etc., and with the corresponding single calculation sketch); Design scheme contrast argument; The plant general layout; Sewage plant environment protection scheme; Sewage treatment operation cost analysis and so on. Key Words:flux flow rate sewage sludge Oxidation ditch 目 录 摘要 …………………………………………………………………………………I Abstract………………………………………………………………………………I 设计概述 设计依据和设计任务 1.2设计水量计算 1.2.1污水来源 1.2.2污水水量计算 1.3设计水质 1.3.1生活污水水质 1.3.2工业污水水质 1.3.3混合污水水质 1.3.4排水水质………………………………………………………………………3 1.3.5混合污水其他水质指标………………………………………………………4 1.4设计人口与当量人口……………………………………………………………4 1.4.1 SS当量人口……………………………………………………………………4 1.4.2BOD当量人口…………………………………………………………………5 工艺流程的确定 2.1生物池的选择……………………………………………………………………6 2.1.1污水处理厂常用工艺…………………………………………………………6 2.1.2设计方案的确定………………………………………………………………7 2.2工艺流程的确定…………………………………………………………………8 2.2.1工艺流程图……………………………………………………………………8 2.2.2格栅……………………………………………………………………………9 2.2.3污水泵房………………………………………………………………………9 2.2.4沉砂池…………………………………………………………………………9 2.2.5氧化沟…………………………………………………………………………9 2.2.6消毒……………………………………………………………………………9 2.2.7计量设施………………………………………………………………………9 2.2.8污泥浓缩池……………………………………………………………………10 2.2.9污泥脱水机房…………………………………………………………………10 2.2.10 深度处理构筑物的选择 ……………………………………………………10 污水处理系统 3.1进水管与进水闸井的设计计算…………………………………………………12 3.1.1设计依据………………………………………………………………………12 3.1.2设计计算………………………………………………………………………12 3