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1、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72.1.2 CODr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.
2、5、缺氧池132.5.6、曝气池142.5.7、二沉池142.6、污泥处理构筑物的设计计算142.6.1污泥泵房142.6.2污泥浓缩池152.7、污水厂平面，高程布置152.7.1平面布置152.7.2管线布置162.7.3 高程布置163 污水厂设计计算书173.1污水处理构筑物设计计算173.1.1中格栅173.1.2污水提升泵房183.1.3、沉砂池213.1.4、初沉池223.1.5、厌氧池243.1.6、缺氧池计算253.1.7、曝气池设计计算253.1.8、二沉池333.1.9计量堰设计计算353.2 污泥处理部分构筑物计算363.2.1污泥浓缩池设计计算：363.2.2 储泥灌
3、与污泥脱水机房设计计算393.3、高程计算393.3.1污水处理部分高程计算:403.3.2污泥处理部分高程计算:40参考文献41致 谢42ContentsIntroduction 51 the task and the materials of design61.1 the task and content of design61.2 the firsthand information of design61.2.1 Meteorological materials of the city61.2.2 Geological materials61.2.3 the scale of Desig
4、n71.2.4 quality of Pass in and out water72 design instruction 72.1 Calculation of the getting rid of rate72.1.1 Getting rid of rate of dissolving BOD572.1.2 Getting rid of rate of CODcr 72.1.3 Getting rid of rate of SS82.1.4 Getting rid of rate of Total nitroge82.1.5 Getting rid of rate of Phosphate
5、82.2 Sewage disposal craft choice in the city9 2.3 Arrangement of water works general layout102.4 the flow of structures (Second ) 102.5 design of disposal structures 112.5.1 Grid and pump house 112.5.2 sand Sink pool122.5.3 Sink the pool for the first time132.5.4 Detest oxygen pool132.5.5 Pool with
6、 meagre oxygen132.5.6 aerobic pond 142.5.7 Second sedimentation pond142.6 The designs of the structures 142.6.1 Mud pump house142.6.2 The mud concentrates the pool152.7 The level of sewage factory, high Cheng assigns152.7.1 The collocation of the plan152.7.2 The collocation of the pipelines162.7.3 T
7、he collocation of the altitude163 the book of Design and calculate 173.1the calculation of the build173.1.1 Mid-Grid173.1.3 sand sedimentation pondv183.1.4 the first clarfying pond213.1.5 anaerobic pond223.1.6 anoxic pond243.1.7 the design and calculation of the oxygenate pond 253.1.8 the design of
8、clarifying pond253.1.9designing the measuring weir333.2 the design of the sludge treatment building353.2.1the design of the sludge concentrated building363.2.2 the design of the sludge saving tank and the dehydration393.3 altitude collocation40List of references 41Thanks42Appendix43某市污水处理厂A/A/O工艺设计作
9、者：蒋丽丽，指导教师：孙丰霞（山东农业大学资源与环境学院）【摘要】随着社会进步，人们对于城市污水的处理的要求愈加严格。除了基本的去除污水中BOD和SS的要求外，通常还要求脱氮除磷，以保护水体环境。本设计即采用了众多脱氮除磷工艺中较为经济合理的AAO工艺对进入污水厂的污水进行处理。设计污水处理厂处理所在城市生活污水，日处理能力10万方，有效去除水中BOD、SS以及氮、磷元素，出水质量将达到国家污水综合排放标准二级标准。本设计对污水处理厂处理流程、处理构筑物、以及高程进行了初步设计。【关键词】：A2/O ，生物脱氮除磷 ，水污染治理，城市污水The design of biologicalphos
10、phorus and nitrogen removal with the A2/O processAuthor：JiangLili Supervisor：SunFengxia(ShanDong Agriculture University)1Abstract: With social progress, the demand for peoples treatment of the municipal sewage is stricter.Except the demands of BOD and SS in the sewage, demand denitrification get rid
11、 of the phosphorus yet usually to go besides a basic one, in order to protect the water body environment .W have adopted A2O craft to deal with the sewage which enters the sewage factory in this design. This paper Introduces the principles of biological phosphorus and nitrogen removal with the A2O process and describes the flow chart of this process which Is then analyzed In detailKeyword A2/O ，biological phosphorus and nitrogen removal，wastewater treatment municipal wastewater引言 长期以来，城市污水处理均以去除有机物和悬浮物为目的，其工
