:1009-6825(2008)10-0192-02SBR:2007-12-09:(1975-),,,, 721004 (1972-),,,, 710055刘芳荣 李 祥 :针对宝鸡市污水处理厂SBR工艺运行中出现的NH4-N去除效率较低及SBR反应器易产生浮泥导致出水SS超标等实际问题,从理论到工艺过程,系统分析了存在问题的原因,提出了可行性改造、建设性方案,为日后技术改造以及后续工程建设提供了有益的参考。:SBR工艺,NH4-N,浮泥:X703:A 。12t/d,9t/d20046。SBR,SBR(),,。SBR10%。SBR4h,2h,1h,1h。,,,,SBR。,NH4-N,SBRSS。1 1.1 DO太低和不均匀,,,,。、、,SBR,。,,,,,,SBRDO。1.2 造成硝化反应不完全的原因1.2.1 DO,DO,NH4-N[1]。DO=1.2mg/L~1.5mg/L[2]。SBRDO,,NH4-N。1.2.2 SRTSBR,COD,、,,,0.21d-11.2d-1,,,NH4-N[3]。1.3 SVI值大,活性污泥沉降性能差3:1),。2),。3)。1.4 沉淀期进行的反硝化反应产生氮气,引起污泥上浮,,,、。CODCr,TP,TNNH4-N,,NO3--N,NO3--N,。1.5 城镇径流造成污染的季节性差异较大,导致进水水量和COD负荷的不稳定性,,,,;COD。,CODCr10,2.5。SBR。2 1),Onwater-supplyengineeringplanninginconstructivedetailedplanningofresidentialdistrictZHANGShi-zhenAbstract:TakenYushunewvillageasexampleandcombinedwithwatersupplysituationsinurban-ruralintegrationareaquestionsexistedinurban-ruralintegrationareaareanalyzed,atthesametimecorrespondingresolvingmethodsandengineeringmeasuresareproposedinordertomeetengineeringrequirementsandtakethescientificconceptofdevelopmentinconsiderations.Keywords:residentialdistrict,watersupplyengineering,planning·192·第34卷第10期2008年4月 山西建筑SHANXI ARCHITECTURE Vol.34No.10Apr. 2008 DOI:10.13719/j.cnki.cn14-1279/tu.2008.10.002,,。SBRDO,DO,DO,,,,DO,DO。,ORP,pH。、[5],ORPpH,,,ORP,ORP,ORP,ORP。,ORPpH,,[6]。2)MLSS,SRT,F/M。,,。,,,,,。SRTMLSS。,SRT12d,MLSS2500mg/L~3500mg/L,,NH4+-N。,,pH,,,MLSS,。,,,,,。3),,DO。DO,,,,,,,。DO,,,。4)MLVSS/MLSS,,SVSVI,。:、、。SVI300,SV30=0.7~0.9。5),,DO,NH4-N。HNO2,,。:NH4-N※HNO2※HNO3※HNO2※N2;,:NH4-N※HNO2※N2。,、、、。20℃~35℃,15℃。,SBR10℃~26℃,20℃,20℃,。0.2mg/L~0.4mg/L,DO1mg/L,,NH4-N。。,,,DOSRT,NH4-N。。3 :1)NH4-N;2)SBR。:1)DO;2);3)SVI,;4),COD。:1)2h,1h,1h,,,DO,ORP,pH,;2)MLSS,SRT,F/M;3),,DO;4),,DO,NH4-N。,、,。:[1]高景峰,周建强,彭永臻.处理实际生活污水短程硝化好氧颗粒污泥的快速培养[J].环境科学学报,2007,27(10):1604-1611.[2]马 放,郭海娟.SBR中亚硝酸型硝化的影响因素研究[J].中国给排水,2005,21(1):9-13.[3]陈清后.新型SBR工艺处理生活废水的研究[J].华东理工学院学报,2006,29(3):257-260.[4]师荣梅.城市污水处理厂污泥沉降影响因素研究[J].环境科学导刊,2007,26(5):57-59.[5]王晓莲,彭永珍.生物脱氮工艺控制优化策略的研究进展[J].环境污染治理技术与设备,2004,15(11):6-13.[6]何 奕,王俊凯,吴 涛.物化+生化工艺处理四醇生产废水工程实例[J].山西建筑,2007,33(10):222-223.TheSBRtechnologyoperatingpracticeresearchofsewagetreatmentplantinthecityofBaojiLIUFang-rong LIXiangAbstract:AimingattheproblemsofthelowNH4-NremovingrationandeasingtogeneratingthefloatsludgeanddeduceSSover-proofofSBRreactorthathappenedintheSBRtechnologyoperatingofsewagetreatmentplantinthecityofBaoji,analysestheexistedproblemsfromtheo-rytotechnologysystematically,andputsforwardthefeasiblereformandconstructionalprogram,andthissuppliesbenefitingreferencetothetechniquereformafterandtheconstructionofsequenceprojects.Keywords:SBRtechnology,NH4-N,floatsludge·193· 第34卷第10期2008年4月 :SBR