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1、华中科技大学毕业设计论文摘 要本次毕业设计来源于工程实例，系广东省韶关市曲江区小坑镇供水工程。本设计的主要内容包括：设计规模的确定、给水系统选择、给水方案比较、取水工程设计、净水厂设计、二级泵房设计和输配水管网的计算。设计书由设计说明书和设计计算书两部分组成。拟建水厂的规模是4000m3/d。采用的处理流程为：源水→浮船取水→管式静态混合器→网格絮凝池→斜管沉淀池→重力无阀滤池→清水池→送水泵房→城市管网。本设计选用碱式氯化铝为混凝剂，ClO2为消毒剂。水厂出水水质要求达到《生活饮用水卫生标准》（GB5749-2006）。水厂位于小坑镇的南方，地面标高为234.0m（黄海高程系），总
2、占地面积9572km2，绿化面积约占总面积的45%，力争创建一个清新怡人的现代化水厂。关键词：取水工程；配水工程；净水工程；网格絮凝池；重力无阀滤池Thegeneralstaff(1employeesinadditiontovicepresident,director,manager,deputymanagerandspecialpositionsoutsidethecontractperiod)toresign,togive10daysnotice,theprojectmanagerordepartmentmanager,administrativepersonneldepartme
3、ntorrelevantresponsiblepersonfortherelevantvisaafterdepartureprocedures;inadditiontogeneralstaffpersonneloutsidethecontractperiodofturnovermustsubmittheresignationreport,amonthaheadofschedule,theadministrativepersonneldepartment,generalmanagerofvisabeforeseparationprocedures;probationemployeessh
4、allpayinadvance5resignationreport,theprojectmanagerordepartmentmanagerandadministrativepersonneldepartmentvisabeforedeparture;positiveafterspecialreasonsdidnotsignacontractwithreferencetogeneralemployeesThroughthestaff华中科技大学毕业设计论文ABSTRACTThisdesignderivesfromrealproject,whichiswatersupplyproject
5、ofXiaokenginthenorthofQujiangDistrict,Shaoguan.ThemaintaskofthisdesignisthepreliminarydesignofthewatersupplyprojectinShaoguanCity.Thekeyelementsofthedesign:designtodeterminethesize,watersupplysystem,watersupplyschemes,waterengineering,watertreatmentplants,thesecondarypumpingstationdesignandtheca
6、lculationandadjustmentofthewaterdistributionnetwork.Thedesignbookiscomposedoftwoparts:designspecificationandcalculation.Thesizeofthedesignis4,000m3/d.Wechoosethewatersupplyprocessasfollows:Thesourceofthewater→Primarywaterpumpingship→Staticmixertube→Gridflocculatingtank→Tubesettler→Valvelessfilte
7、r→Clearancepond→Secondarypumpingstation→CitypipelineWeusePACascoagulantandClO2asdisinfectant.Thetreatedwatermustmeet"StandardsforDrinkingWaterQuality"(GB5749-2006).Thewatertreatmentplantislocatedinthesouthofthecity,theground
