UASB设计计算

淮阴工学院毕业设计说明书（论文）作者:杜永恒学号：1031617系(院):生命科学与化学工程学院专业:环境工程题目:酒厂高浓度有机废水处理工程设计张强华(副教授)石莹莹指导者：石莹莹评阅者：2007年6月毕业设计说明书（论文）中文摘要UASB-CASS工艺全称为厌养好氧二级处理活性污泥法，即污水通过调节沉淀池进入一级和二级UASB反应池，在厌氧状态下产生的沼气，与污泥碰撞引起附着气泡的污泥絮体脱气，污泥颗粒将沉淀到污泥床的表面。出水进入CASS池实行连续进水、静态沉淀和间歇排水，对污染物质降解经历着“好氧—缺氧—厌氧”交替运行的过程，加之采用延时曝气与生物选择，有效地促进了难降解有机物的好氧生化。在本次工艺中COD、BOD、SS的去除率达到：99%、99%、97%，出水达到国家二级标准。工艺由于投资和运行费用低、处理性能高，尤其是优异的脱磷除氮功能而越来越受到重视。该工艺已在酒厂含油废水、食品废水、屠宰废水中得到广泛应用，尤其适用于工业污水和生活污水的处理。关键词工业污水，UASB-CASS工艺，工艺设计毕业设计说明书（论文）外文摘要TitleDistilleryhighconcentrationoforganicwastewatertreatmentprojectdesignAbstractUASB-CASSTechnologycalledtheAerobicdisgustCustodyof2handleActivatedSludgeProcess,ThatByregulatingsewageintoaprecipitationtankandtwoUASBreactorpool,Anaerobicconditionsinthegas,Sludgecausedbycollisionwithbubblesattachedsludgeflocdegassing,Sludgeparticlesofsludgebedsedimentstothesurface.CASSpoolwaterenteredtheintroductionofthecontinuousinflow,Staticprecipitatorsandintermittentdrainage,Degradationofpollutantsexperiencingaerobic-anoxic-anaerobicalternativeprocess,Moreover,usingaerationandbiologicaldelaychoiceEffectivelypromotingtherefractoryorganicsaerobicbiochemical.InthisprocessofCOD,BOD,SSremovalrate:99%,99%,97%.Thewaterreachthestatestandardsoftwo.Technologyinvestmentandoperatingcostslow,Performancesuperbhandling,ParticularlyoutstandingPhosphorusandnitrogenfunctionalandmoreimportance.Theprocesshasbeeninthedistilleryoilywastewater,foodwastewater,wastewaterslaughteringbeenwidelyapplied,particularlyapplicabletotheindustrialeffluentsandsewagedisposal.KeywordsIndustrialsewage,UASB-CASStechnology,processdesign淮阴工学院毕业设计说明书（论文）第I页共I页目次1绪论..................................................................................................................................11.1白酒厂废水水质特点及危害.......................................................................................11.2常用污水的生物治理方法...........................................................................................12UASB-CASS法................................................................................................................12.1厌氧工艺的发展...........................................................................................................12.2UASB工艺发展............................................................................................................22.3UASB-CASS工艺.........................................................................................................23UASB-CASS工艺设计计算............................................................................................53.1格栅的设计...................................................................................................................53.2提升泵房的设计...........................................................................................................73.3调节沉淀池的设计计算...............................................................................................73.4一级UASB反应器的设计............................................................................................93.5二级UASB反应器的设计..........................................................................................123.6三相分离器设计.........................................................................................................163.7CASS池设计计算.......................................................................................................223.8污泥浓缩池.................................................................................................................303.9脱水间.........................................................................................................................314构建筑物和设备一览表..................................................................................................315平面布置..........................................................................................................................325.1总平面布置原则.........................................................................................................325.2总平面布置结果.........................................................................................................336高程布置及计算............................................................................................................336.1高程布置原则.............................................................................................................336.2高程计算.....................................................................................................................337经济预算..........................................................................................................................337.1工程造价估算.............................................................................................................357.2年成本费与单位处理成本的计算.............................................................................36结论......................................................................................................................................37致谢...............................................................................................