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*黄勇强1吴涛1杨飚2厉晶晶1(1.212013;2.212013),20,,,,81%,12526m3,6TheWaterBalanceCalculationandBenefitAnalysisofRainwaterUtilizationDemonstrationProjectinZhenjiangHUANGYongqiang1WUTao1YANGBiao2LIJingjing1(1.SafetyandEnvironmentalEngineeringCentralLaboratory,JiangsuUniversityZhenjiang,Jiangsu212013)AbstractBasedonthepresentconditionsofthegreeningandlandscapewaterconsumption,alongwithdailyprecipitationandevaporationdataofthelast20years,thecorrespondingbalanceequationofwatervolumeisestablishedfortherainwaterharvestingdemonstrationprojectinahospitalofZhenjiang,tocalculatetheamountofrainwater,thathasbeencollectedandutilizedinthissystem.Theresultsrevealsthatthecollectedwaterofthisdesigncanmeetthewaterdemandsofgreening,roadspraying,surfaceevaporationandotherkindsofwaterloss.Thewatersavingefficiencyofthissystemcanreachashighas81%,and12526m3oftapwatercanbesavedeveryyear.Theeconomicefficiencyanalysisindicatesthattheconstructioninvestmentofthesystemcanberecoveredinsixyearsrunning.KeyWordswaterbalancerainwaterutilizationeconomicbenefits0,,6.191012m3,56%,44%[1],2060,,[2-4],,,[5-6][7],1,,5hm2,59%,22%,19%,,,,,,,2:,1,0.937[8]1/m288207480940025700/%34.31929.10536.576100.0000.90.91.00.937,,[9],;,Sansalone,20%80%[10],,,,,,,SS[11]*(SH2006007)412011371January2011IndustrialSafetyandEnvironmentalProtection,,,1133.1(1)1980~200021074.1mm,1063.1mm,846.3mm(2)(GB500132006),1~3L/(dm2),,:4~91.5L/(dm2);3101L/(dm2);,15mm/,3~10(3)[12]:V1=HA(1),;H,m;A,m2;,0.85;,0.872123456789101112/mm51.557.872.0121.764.7210.9249.6128.646.937.161.328.81130.9/mm27.334.751.571.7100.691.9111.2111.890.871.548.335.0846.3(4)10%(5)[13]:f=Vm/Vpot100%(2),f,%;Vm,m3/a;Vpot,m3/a3.23.2.13,,,3/m2/m3/m2/m3/m2/m3/m2/m3=[++]10%/m3=+++/m3=-/m388200.947700.927100.994001.01893194007955700023107480112211391252664053.2.24,4910,,,672000m348,5910,,3.39400m2,0.5~1.8m,0.3m,2820m3,,(2)81%44.14.1.1,,,20,,1m30.1/a;P=1.1kWQ=20m3/h,2310m3,116h,127.6kWh,0.8/(kWh),102,189310.1+102=19954.1.2424123456789101112/mm51.557.87212264.721125012946.937.161.328.8/m330233942371438012381465755275218360169/m316418422938620567079240814911819591/m393104130220117380450232856711152/m335840250084645014661735894326258426200/m391710291282216611523754444222898356611092512/mm273552721019211111291724835/m325732648467494686410451051854672454329/m3210315315315315315315210/m3112112112112112112112112/m3263381110137129147148128994533/m32833598871211151014201619162614091093499362/m3634670395955-35823342823663-574-432593150(,,)12526m3,,,12526m3,3/m3,37578,6(,622.5)4.2,,,,,,[14],,5(1),,(2),,SS,,(3),[1],,.[J].,2008(5):21-23.[2]ZaizenM,UrakawaT,MatsumotoY.ThecollectionofrainwaterfromdomestadiumsinJapan[J].UrbanWater,1999(1):355-359.[3]ThiloHerrmann,UweSchmida.RainwaterutilizationinGermany:Efficiency,dimensioning,hydraulicandenvironmentalaspects[J].UrbanWater,1999(1):307-316.[4]EnedirGhisi,AndrezaMontibeller,RichardWSchmidt.Potentialforpotablewatersavingsbyusingrainwater:Ananalysisover62citiesinsouthernBrazil[J].BuildingandEnvironment,2006(41):204-210.[5],,.[J].,2001(1):203-207.[6],,,.[J].(),2005(3):110-112.[7],,.[J].,2008,34(5):42-46.[8],,.[J].,2006(12):62-65.[9],,.[J].,2006,29(3):97-99.[10]SansaloneJJ,BuchbergerSG.Partitioningandfirstflushofmetalsinurbanroadwaystormwater[J].JEnvironEng,1997,123(2):134-143.[11],,.[J].,2005,33(7):36-40.[12],,,.[J].,2006,22(24):57-60.[13],,,.[J].,2008,24(16):43-47.[14],,.[J].,2002,15(5):34-36.黄勇强,男,1968年生,江西石城人,硕士,现任江苏大学环境学院副院长,副书记,副教授,主要从事污染控制方面的研究(:2010-01-12)(赵天奇)43