清升镇排水工程初步设计

清升镇排水工程初步设计摘要本毕业设计聚焦荣昌区清升镇排水工程初步设计，含排水管道与污水处理厂设计。涵盖排水体制确定、雨污管网设计、污水量计算及管网方案比选。设计考量当地地理、自然条件、水系、人口及工业排水，遵循国家标准规范。污水管道设计中，精准计算生活与工业污水量，依地形和排水需求优化管网布局并比选方案。污水处理厂设计经厂址、规模及工艺分析，选CASS工艺并细化构筑物设计。雨水管网设计依地形和用地布局划分区域，确定管道定线，计算汇水面积与管段流量，经水力计算保障雨水及时排除。全程综合权衡投资、运维及环保，成果包括说明书、计算书和图纸，为清升镇排水工程提供详实方案。关键词：污水处理；脱氮除磷；CASS工艺：污水厂AbstractThis graduation design focuses on preliminary drainage for Qing Sheng Town,Rong Chang District,covering drainage pipes and a sewage treatment plant.Itdetermines the drainage system,designs rain and sewage pipe networks,calculatessewage volume,and compares pipe network schemes,all while considering localconditions and meeting national standards.In the sewage pipe design,it calculatesdomestic and industrial sewage volume,optimizes pipe layout based on terrain anddrainage needs,and selects the best scheme via technical and economic comparison.The sewage treatment plant design involves analyzing plant location,scale,andprocess,choosing the CASS process and detailing treatment structures.The rainwaterpipe design defines drainage areas and pipe alignment based on terrain and land use,calculates catchment areas and pipe segment flows,and conducts hydrauliccalculations to ensure timely rainwater discharge.The design outcomes offer acomprehensive drainage solution for Qing Sheng Town.Key words:wastewater treatment;nitrogen and phosphorus removal;CASS process;sewage plant.目录绪论11概况21.1设计任务21.2设计原始资料21.3设计依据31.4设计成果32污水管道设计计算说明，.42.1设计污水量计算....m....mm42.1.1设计生活污水量计算2.1.2集中设计污水量.52.2排水管网布置52.2.1排水管网布置原则62.2.2排水管网布置形式62.2.3污水主干管定线…62.3排水方案比较.62.4污水管段设计计算…2.4.1街坊编号与面积与比流量.7.72.4.2污水管段流量计算…P2.4.3污水管段水力计算93雨水管网设计计算123.1雨水管道定线与汇水面积计算123.1.1雨水管道定线方案比较123.1.2汇水面积计算133.2雨水管段流量计算143.3雨水管段水力计算154污水处理厂计算说明174.1污水厂规模174.2污水处理工艺比较174.3污水处理构筑物计算174.3.1粗格栅184.3.2提升泵房.204.3.3细格栅.214.3.4沉砂池224.3.5CASS池的设计与计算244.3.6高密度沉淀池.284.3.7滤布滤池.324.3.8紫外线消毒池.334.4污水厂辅助设施.344.4.1计量设施.344.4.2鼓风机房344.4.3PAC加药间设计计算..345污泥处理构筑物设计计算355.1污泥泵房…365.1.1设计参数365.1.2设计流量.365.1.3设计计算..365.2污泥浓缩池.4365.3贮泥池.375.3.1设计参数375.3.2设计计算.375.4污泥脱水机房..385.4.1设计计算.385.4.2选型386污水厂总体布置396.1污水厂平面的布置396.1.1管、渠的平面布置.396.1.2厂区道路与围墙设计406.1.3￥辅助建筑物…406.2污水厂高程布置.406.3其他附属构筑物447经济分析457.1排水管网造价计算457.1.1污水管网造价计算457.1.2雨水管网造价计算457.2污水处理厂造价计算…467.3污水处理成本计算.…47参考文献51致谢..52v