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