陈晓华-威立雅水务技术在城市污水厂升级改造和污泥处理领域的先进技术

威立雅水务技术在城市污水厂升级改造和污泥处理领域的先进技术Veolia’sadvancedprocessesinwastewaterupgradingandsludgetreatment威立雅水务技术亚洲地区技术总监陈晓华2010年4月1号北京SUMMARY1.BiostyrBAF曝气生物滤池2.Pyrofluidincineration流化床污泥焚烧1.BAF曝气生物滤池CapabilityofBIOSTYR生物滤池的特点•Up-flowfilter,inletchannelfrombottom,outletontop上向流滤池，底部渠道进配水，顶部出水•Thespecificgravityofmedia1滤料比重小于1•Perforatedpipeaeration,savingequipmentinvestmentandmaintenancecosts穿孔管曝气，节省设备投资和维护费•Nozzleontopoffilter,intreatedwaterandeasytomaintenance滤头在滤池的顶部，与处理后水接触，易于维护•Backwashbygravity,neednotpumps重力反冲洗，无须反冲洗水泵-Aerationandairbackwashsharetheairblower工艺空气和反冲洗用气共用鼓风机-Aerationpipecouldbesetinthemiddleorbottomoffilter,Nitrationanddenitrationcanbedoneinthesametank.曝气管可布置在滤层中部或底部，在同一池中可完成硝化、反硝化功能CapabilityofBIOSTYR生物滤池的特点未附着生物膜withoutbiofilm附着生物膜withbiofilmBIOSTYR单元:滤料BiostyrmediaBiostyrinternalstructureBiostyr内部结构Biostyrslab滤板Biostyrnozzle滤头BIOSTYR™:centralizedairsupply中央供气系统BIOSTYRmainadvantages滤池工艺的主要优点-Advancedtechnology,reliableoperation,verysuitableforupgrading工艺技术先进成熟、运行可靠、非常适合水厂升级改造；-Lowtotalinvestmentandoperatingcosts,powerconsumptionofaerationcanreduce20－30％；总投资省，运行费用低，曝气能耗低20－30％；-Lowamountofworksandcosts,shortconstructionperiod土建工程量少，工程费用低，工期短-Lessoccupationofland,lowland-useandsubstructionfee占地面积少，征地费和地基处理费用低；-Steadyoperationintheconditionoflowtemperatureandfluctuateload在低温寒冷气候和负荷变化的条件下运行稳定；BIOSTYRmainadvantages滤池工艺的主要优点-Highautomation自动化程度高-SimultaneousFiltrationwhenremovingCandNpollutant去除含碳和含氮污染物的同时可以进行过滤-Modulestructure,easytorebuildandexpansion模块化结构，易于改建和扩建-Outletwatercanmeetreusestandard,reducefutureinvestment出水水质可达到回用水标准，节省未来投资-Plantcanbecoveredbyhandsomebuilding,withoutanynoise,odorandvisionpollution厂区可覆盖，建筑美观适用，无噪声、臭气和视觉污染Newplant&upgradingCasestudies新厂及升级改造应用案例Multiflo®settling沉淀池，Biostyr,三级TertiaryActiflo沉淀池，UV，Alizair®odortreatment设计流量Flow：50,000m3/d6个同时硝化反硝化处理单元，每个单元面积为113m22各后置反硝化单元，每个单元面积为84m26SimultaneousN-DN,6x113m2,2PDN,2x84m2可保证的最终水质Outlettreatedwater：COD：50mg/lBOD5：10mg/lSS：10mg/lNNH4：5mg/lTN:15mg/lTP：0.5mg/l案例一CaseI：BIOSTYR曝气生物滤池-深度处理业绩:深圳西丽污水处理厂BiostyrapplicationinShenzhenXiliWWTP深圳西丽ShenzhenXili设计水质和水量Designcapacityandconcentrations项目Parameter数值ValueFlowrate50,000m3/dCODCr(mg/l)400mg/lBOD5(mg/l)200mg/lSS(mg/l)250mg/lTN(mg/l)41mg/lNH4N(mg/l)31mg/lT-P(mg/l)6.4mg/lpH6-9Temperature(°C)15-25出水水质(A-I),Treatedwaterrequirement:class1-APlantpresentationofXiliWWTPMultifloprimarytreatmentunitBiostyrtreatmentunitActiflotertiarytreatmentunitTreatedwateroutletVWS建议的处理工艺Processproposed细隔栅ScreenMultifloPrimary高密度沉淀池BiostyrN/PDN生物滤池UV消毒系统出水Outlet反冲洗脏水池BackwashwaterActiflotertiary高密度沉淀池Multiflo高密度沉淀池案例二CaseII：BIOSTYR曝气生物滤池-深度处理业绩：南京城东污水处理厂NanjingChengdongTertiaryWWTP设计处理水量、水质及出水要求Inlet/Outletquality原水Inlet日平均流量Dailyflow200000M3/d峰值系数Peakfactor1.3小时峰值流量Hourlyflow10833M3/h浓度峰值系数Peakconcentrationfactor1.4峰值时间Durationofpeak2hour参数Parameter单位Unit进水浓度Inlet出水要求OutletCODMg/l6050BOD5Mg/l2010SSMg/l2010TNMg/l2015N-NH4Mg/l8~154TPMg/l11三级处理系统工艺流程Tertiarytreatmentprocess二级生物处理Secondarytreatment反冲洗废水backwashwater:1600m3BiostyrN硝化型曝气生物滤池8x173m2共8格BiostyrPDN后置反硝化型曝气生物滤池2x129m2共2格碳源投加（甲醇）Methanol~70%旁通案例三CaseIII：乌鲁木齐河东污水处理厂中水深度处理建设项目UrumqiHedongWWTPupgrading乌市河东污水处理厂中水深度处理建设项目UrumqiHedongWWTPupgradingCOD(mg/l)BOD(mg/l)SS(mg/l)NH3(mg/l)TN(mg/l)TP(mg/l)进水Inlet144363638554.5出水Outlet5010105150.5设计进出水水质为Inlet/outlet(GB18918-2002)IA标准进出水设计基础Basisofdesign：100,000m3/d三级处理系统工艺流程Tertiarytreatmentprocess二级生物处理AS，ABprocess法反冲洗废水池backwashwater1900m3BiostyrN硝化型曝气生物滤池6x173m2共6格BiostyrPDN后置反硝化型曝气生物滤池4x173m2共4格碳源投加（甲醇）MethanoldosingMULTIFLO三级沉淀4x13m案例CaseIV：石家庄桥东三级处理工程ShijiazhuangQiaodongTertiaryProjectCOD(mg/l)BOD(mg/l)SS(mg/l)N-NH4(mg/l)TN(mg/l)N-NO3(mg/l)TP(mg/l)进水Inlet703030565577出水Outlet501213/15/0.5设计进出水水质为Inlet/Outlet进出水设计基础Basisofdesign：500,000m3/d三级处理系统工艺流程TertiaryTreatmentProcess二级生物处理Secondarybiologicaltreatment反冲洗废水池2x2630m3BiostyrPDN后置反硝化型曝气生物滤池24x231m2共24格碳源投加（甲醇）methanoldosingACTIFLO三级沉淀4x15m2.Pyrofluidincineration流化床污泥焚烧PYROMIX™Co-incineration混烧withMSW.(10-25%wetsludge湿污泥)PYROFLUID™Incineration«dedicated»专门污泥焚烧(400–3700kgDS/h)2.1-THERMALOXIDATION热氧化处理ATHOS™WetAirOxidation湿式氧化other其他:cementkiln水泥干燥炉…=ABSOLUTEBARREERAGAINSTPATHOGENHAZARD绝对防止病原菌危险BIOCON™Incineration«dedicated»专门焚烧(100–500kgDS/h)2.2ThefluidisedbedincineratorPyrofluid®流化床焚烧炉Fluidizingair,preheated流态气体，预先加热SludgeinletToheatexchangerandfluegastreatment派往热交换器和废气处理(Heatexchange)热传导-the«3T»rule规则-lowmaintenance低维修-easytooperate容易运行-longlifeexpected可以长期运行-nomovingparts没有可动部分-morethan50referencesworlwide在全世界有50以上的业绩例子污泥进口2.3EuropeanRegulationDirective2000/76/CEE欧洲指令性规定2000/76/CEEAverage24h97%tile(1/2h)100%averagemonitoringTotaldustCOCOTHClHFSO2NO2Heavymetals(-Zn)Cd+TlHgDioxins&furans10mg/Nm350mg/Nm310mg/Nm310mg/Nm31mg/Nm350mg/Nm3200mg/Nm30.5mg/Nm30.05mg/Nm30.05mg/Nm30.1ng/Nm310mg/Nm350mg/Nm310mg/Nm310mg/Nm31mg/Nm350mg/Nm30.5mg/Nm30.05mg/Nm30.1ng/Nm3100mg/Nm320mg/Nm3100mg/Nm34mg/Nm3300mg/Nm3continuecontinuecontinuecontinuecontinuecontinuecontinue2/yr2/yr(@11%CO2,drygasbasis)2.4Exampleofdrytreatment干式处理范例Flyash飞尘Grinder磨床Electroprecipitator电沉淀器Rawflueg