合肥市塘西河上游初期雨水污染治理工程实践张显忠

檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲檲殘殘殘殘200125。20。X703B1000－4602201124－0009－04PracticeonInitialRainwaterPollutionControlinUpstreamofTangxiRiverinHefeiZHANGXian-zhongZHANGShan-faXULian-junGAOYuanShanghaiUrbanConstructionDesignandResearchInstituteShanghai200125ChinaAbstractAccordingtothecharacteristicofurbanrainfalltheselectionofstormstoragestandardforinitialrainwaterinterceptionhasgreateffectondesignandenvironmentalefficiencyoftheproject．Throughtheanalysisoftherainfalldataduringthelast20yearsinHefeiandthesurveyofinitialrainwa-terqualityintheupstreamofTangxiRiveraseriesofmeasurestosolvetheproblemofinitialrainwaterpollutionareproposedbasedonthecurrentareasituationandtheexistingfacilities．Aftertherelevantcalculationandstandardcomparisontheappropriateinitialrainwaterinterceptionstandardandstoragecapacityareselectedtoprovidereferenceforsimilarprojects．Keywordsrunoffpollutioninitialrainwatercontrolstoragepondsourcecontrolinter-ception12km50km231．3km2。、“、、”。11.1SS、COD、TP、TN1。30·9·2724201112CHINAWATER＆WASTEWATERVol．27No．24Dec．2011～60min。1Tab．1Concentrationofstormoverflowsindifferentsewersystemsmg·L－1SSCODTPNH3－NTN5543433．910．619．65132683．910．918．03021632．510．615．11.2。1989—200820、、、1～4。1Fig．1Insurancerateanalysisofprecipitations2Fig．2Insurancerateanalysisofrainfallintensities3Fig．3Insurancerateanalysisofrainfalldurations4Fig．4Insurancerateanalysisofrainfallintervals22.1①。。②。。③。。④。、、。“、、”“”“”2。2Tab．2Controlstrategiesforinitialrainwaterpollution2.2H4～10mm。33.1·01·2724．watergasheat．com①4m×2．5m5．4km224m×2．5m25．9km2。②900m10m30m14．8m16．5m16．0m21840m31。③。18m3/s2．70km。14．8m12．1m10．5mi=0．1%。16．9m14．76m。④214000m2、、COD。3.2。3。3Tab．3DifferentstandardschemesofinterceptionandstorageH/mm/%/m3/m3·s－1//·a－1/t·a－1SSCOD34594501．1754001321598647448122503．3360001411704690770157509．3378002052485100610872205014．0090002553089125015882205020．00100002583124126520902800024．001150026531951293①t=293min945．6mmCOD=163mg/L、SS=302mg/L②21840m3。、、、。P=1．5t=293minv=0．5m/sψ=0．6F=25．9km2。i=0．2mm/min=12mm/h90%Q=i·F·ψ=52m3/s。InfoWorksCS3、、。P=1．5ψ=0．6F=25．9km2Q=31．2m3/s。10mm14m3/s18m3/s32m3/s。P=1．5、ψ=0．631．2m3/s。·11·．watergasheat．com27243.33.3.1“、、”“、、”“、、”。95m。5。5Fig．5OutlookofstoragepondinupstreamofTangxiRiver3.3.2①。。②。。。③。。。。④。。⑤。。4①10mm14m3/s18m3/s1．5。。②、。③。。、、。1．J．201127958－62．2．J．201127654－57．3．、[e-mail]2011－06－10·21·2724．watergasheat．com