城市道路雨水初期径流快速处理工艺设计靳军涛

12312312321．1000842．5180553．－518055、。。。SS36%SS95%、COD50%、80%、30%、70%。。TU992C1000－4602201122－0072－04DesignofRapidTreatmentProcessofUrbanRoadRainwaterRunoffJINJun-tao123GUANYun-tao123TAOXia123WUGuang-xue21．SchoolofEnvironmentTsinghuaUniversityBeijing100084China2．GraduateSchoolatShenzhenTsinghuaUniversityShenzhen518055China3．CooperativeResearchandEducationCenterforEnvironmentalTechnologyTsinghuaUniversityandKyotoUniversityShenzhen518055ChinaAbstractAimedatthecharacteristicsoflargeinstantaneousvolumeandhigh-pollutionloadofur-banroadrainwaterrunoffanewrapidtreatmentprocesswasdesignedandthereductionefficiencyofrainwaterrunoffloadintheprocesswasinvestigated．Theprocessincludestwostagesfirstflushrunoffstorageandcyclonefiltration．Accordingtothelocalrainwatercharacteristicsandtherelateddesignstandardthedesignedstoragetankcanstorethefirstflushrunoffeffectively．TheexperimentalresultsshowthatSSisremovedmainlyinthecyclonewiththecorrespondingremovalrateof36%whilepollu-tantscanberemovedbyfiltrationwiththecorrespondingremovalratesof95%forSS50%forCOD80%forNH3－N30%forTNand70%forTP．Therapidtreatmentprocesscancontroltheroadrain-waterrunoffpollutioneffectively．Keywordsroadrainwaterrunofffirstflushcyclonefilter2008ZX07313－001。、、。、、、·27·2722201111CHINAWATER＆WASTEWATERVol．27No．22Nov．2011。“”。1、、、、。。。。8000m20．6km470L/s。。21～4、、、。、、。1。1Fig．1Flowchartofrapidtreatmentprocess①。。。②、。③COD、NH3－N。33.1W=δFH1W———m3δ———H———mF———m20．9《》GB50400—20065mm36m3。9m×5m1m1．5m。0．02。3.25。。D50＞50μm。40μmFX－1010。3.3。①·37·．watergasheat．com27222．4m/h。。12m/h。②1。1Tab．1Arrangementoffilteringmediainfiltrationsystemcm2～5402～5400．5～1800．5～1200．5～1200．3～0．51202～5302～530③10L/m2·s。1．5～2．0＜60。45°。0．2%～0．25%。④“”。4、。2PLC2。2Fig．2Variationofeffluentqualitywithpumpstartingfrequency2．4m/s2．4m/s。“”“”。、556、7、1、3d。SS、COD、NH3－N、TN、TP。SS207～958mg/LCOD38．5～90mg/LNH+4－N0．39～1．18mg/LTN2．16～3．79mg/LTP0．12～0．6mg/LSS110～854mg/LCOD4．05～97mg/L、NH+4－N0．35～1．11mg/L、TN1．75～3．06mg/L、TP0．1～0．64mg/LSS10～13．7mg/LCOD10．3～18．4mg/LNH+4－N0．10～0．22mg/LTN1．63～2．07mg/LTP0．05～0．25mg/L。SS11%～66%。1%4%～6%。。SS＜10mg/L。COD10%COD。COD58%52%COD50%。。70%～90%。·47·2722．watergasheat．com1、2、380%。5。6。25%。。15%～40%。30%。COD、。16%。60%～80%。70%。。SS36%COD、TN、TP10%、25%、16%。SS95%、COD50%、80%、30%、70%。5。SS1128．6kg/a、COD285kg/a、TN2．7kg/a、NH3－N3．15kg/a、TP0．25kg/a21．3%、15．2%、24．9%、20．6%、23．3%。。PLC、、、、。1．M．2001．2ShutesRBERevittDMMungurASetal．ThedesignofwetlandsystemsforthetreatmentofurbanrunoffJ．WaterSciTechnol199735519－25．3SL267—200[e-mail]2011－05－18·57·．watergasheat．com2722