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医院废水处理毕业设计毕业论文.doc

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医院废水处理毕业设计毕业论文.doc

共75页第1页┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊摘要对1000张病床医院废水采用生物水解酸化SBR工艺进行处理,通过废水的厌氧与氧化反应,利用水中微生物的新陈代谢作用,降解水中的有机污染物,达到净化水质、消除污染的目的。本污水处理工程主要采用化粪池+水解酸化池+SBR池+接触消毒池的处理工艺。医院废水进入化粪池处理单元沉淀下来,调节池出水进入厌氧单元,通过厌氧生物的降解作用,使有机污染物得到部分降解,便于后期SBR池处理,水解酸化池的出水进入SBR池,有机污染物得到的彻底的降解。经处理的医院废水进入消毒区,在消毒区内利用液氯的强氧化性能有效杀死废水中的细菌和病毒,并具有持续消毒作用。经消毒灭菌后的出水即可达到医院染物排放标准(DB37/5962006)中的一级排放标准,最终达标排放。同时一部分水作为回用水处理。另外废水处理中的污泥必须得到消毒才能外运。关键字医院废水水解酸化SBR回用水污泥处理ABSTRACT共75页第2页┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊UsesthebiologyHydrolyticacidificationSBRcrafttothehospitalwastewaterof1000bedstocarryonprocessing,throughthewastewaterAnaerobicandoxidationresponse,intheusewatermicroorganismsmetabolismfunction,degradesinthewatertheorganicpollutant,achievesthepurificationwaterquality,theeliminationpollutiongoal.ThissewagetreatmentprojectmainuseseptictankHydrolyticacidificationpondSBRtankContactdisinfectiontankprocessingcraft.TheHospitalwastewaterenterstheseptictankprocessingunitprecipitationtogetdown,Theregulatingreservoirwaterleakageenterstheanaerobicunit,throughtheanaerobicbiologicaldegenerationfunction,enabletheorganicpollutanttoobtainthepartialdegeneration,whichisconvenientwithprocessinginSBRtanklater,thewaterofHydrolyticacidificationpoolenterstheSBRtank,throughthebiologicaldegenerationfunction,enabletheorganicpollutanttoobtainthethoroughdegeneration.Thehospitaltreatedwastewaterentersthedisinfectionarea,achievesthesterilizationgoalinthedisinfectionareausingtheChlorinestrongoxidability.AfterthedisinfectionantisepticafterwaterleakagethenachievedHospitalDyesEmissionsStandardDB37/5962006levelemissionsstandard,finallyattainsadesignatedstandardtheemissions.Whilethepartofthewateristreatedasthebackwater.Inaddition,wastewatertreatmentsludgemustbedisinfectedbeforesinotrans.KeywordsHospitalwastewaterHydrolyticacidificationSBRthebackwaterSludgetreatm共75页第1页┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊目录1绪论............................................................................................................................11.1前言..................................................................................................................11.2国内外医院废水处理技术与发展..................................................................11.2.1医院废水生物处理技术与发展...........................................................11.2.2消毒处理技术及发展...........................................................................31.3小结.................................................................................................................41.4搜索关键字......................................................................................................42工艺设计....................................................................................................................42.1废水站的设计规模.........................................................................................42.2进出水水量及水质..........................................................................................42.2.1医院废水流量......................................................................................42.2.2废水进出水水质..................................................................................52.3处理程度的计算.............................................................................................52.4废水处理站设计方案.....................................................................................62.4.1医院废水的来源及危害......................................................................62.4.2医院废水处理原则..............................................................................72.4.3工艺流程的比较..................................................................................72.4.4工艺流程的选择..................................................................................92.5废水处理构筑物设计.....................................................................................92.5.1格栅和调节池.......................................................................................92.5.2水解酸化池........................................................................................102.5.3SBR池................................................................................................102.5.4接触消毒池........................................................................................122.6污泥处理构筑物的设计................................................................................152.7回用水处理构筑物.......................................................................................152.7.1混合....................................................................................................152.7.2净水装置............................................................................................162.8废水厂平面和高程布置...............................................................................163.8.1平面布置............................................................................................162.8.2管线布置............................................................................................162.8.3高程布置............................................................................................163废水站设计计算书..................................................................................................173.1废水处理构筑物计算...................................................................................173.1.1化粪池................................................................................................173.1.2格栅.....................................................................................................19共75页第2页┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊3.1.3调节池................................................................................................213.1.4水解酸化池........................................................................................223.1.5SBR池................................................................................................243.1.6接触消毒池........................................................................................333.1.7废水提升泵........................................................................................343.2回用水处理构筑物计算...............................................................................363.2.1混合....................................................................................................363.2.2净水装置............................................................................................363.2.3集水井................................................................................................373.2.4清水池................................................................................................383.2.5回用水提升泵.....................................................................................393.3污泥处理系统...............................................................................................423.3.1产泥量及污泥处理方式确定............................................................423.3.2污泥浓缩池........................................................................................423.3.3污泥泵及泵房....................................................................................443.3.4污泥脱水机房....................................................................................454平面和高程布置......................................................................................................474.1废水处理站平面布置....................................................................................474.2废水处理站高程计算...................................................................................484.2.1水头损失计算....................................................................................484.2.2高程确定............................................................................................495工程经济技术估计..................................................................................................505.1工程建设说明...............................................................................................505.2主要构筑物设备估价表...............................................................................505.3运行费用分析................................................................................................525.4估算................................................................................................................52存在问题及建议..........................................................................................................53参考文献......................................................................................................................54致谢..........................................................................................................................56小结..............................................................................................................................57附录..............................................................................................................................58

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