真空脱气膜MDppt课件

2020/6/12,.,1,MembraneDegasifyIntroduction,2020/6/12,.,2,概要,MD的用途MD的工作原理介绍MD的使用MD产品的相关信息,2020/6/12,.,3,MD的用途,水中溶解的O2水中溶解的CO2水中溶解的N2等其他气体水中由O3转化而来的O2（消毒杀菌尾声）,可除去以下气体：,2020/6/12,.,4,MD的工作原理,HenrysLawDO=H*Po2液体中所溶解的气体量跟此气体在液气界面上气体空间的分压成正比关系。DaltonsLawPtotal=PH2o+PN2+PO2+.混合气体的总压力等于各种气体分压的总和。,2020/6/12,.,5,Henry&Dalton定律的运用,HenrysLawDOo2=H1*Po2,Po2=H2*Ptotal,Vacuum,2020/6/12,.,6,MD操作模式的发展,Waterinlet,Wateroutlet,Stripgas,Stripgas,Waterinlet,Wateroutlet,ToVacuum,Waterinlet,Wateroutlet,Stripgas,A,B,C,ToVacuum,ToVacuum,目前，一般采用C模式,2020/6/12,.,7,MD工作原理剖析图,2020/6/12,.,8,MD的运转模型,2020/6/12,.,9,除气膜的制作,2020/6/12,.,10,MD的使用模式设计,2020/6/12,.,11,GSMCPW系统一段MD设计模式,进水,1,5,出水,进.MpN2,2,共五组并联，每组个串联,2020/6/12,.,12,VENT/DRAIN,MD串联系统架构,2020/6/12,.,13,纯水系统中可能使用MD之POU,2020/6/12,.,14,Pretreatment,No.2RO,DITank,UVNo.1,IonExchange,UPWTank,PolisherNo.2,UVNo.2,FinalFilter,POU,Recycle,N2,O2Removal,CO2RemovalforIonBedLifeExtension,纯水系统中MD使用点,PolisherNo.1,2020/6/12,.,15,MD之性能曲线,WaterFlowRate(m3/hr),OxygenRemoval(%),Temperature20C,OxygenRemoval(%),70,80,90,100,15,25,35,45,75,80,85,90,95,100,15,25,35,45,100mmHg,Combo,50mmHg,100mmHg,OneContactorTwoContactorinSeries,Combo,90110130150170190,90110130150170190,50mmHg,WaterFlowRate(gpm),2020/6/12,.,16,压降曲线：,020406080100110,0,2,4,6,8,10,12,14,16,0,5,10,15,20,25,30,WaterFlowRate(gal/min),.25,.50,.75,1,WaterFlowRate(liter/min),48Contactor1028Contactor,WaterFlowRate(gal/min),WaterFlowRate(m3/h),Shellside,PressureDrop(psig),PressureDrop(psig),0,2,4,6,8,50,100,150,200,250,1525354555,Shellside,PressureDrop(psig),2020/6/12,.,17,产品系列,2.5x8-inchContactorSingleUnitCapacity:0.5gpm3gpm(0.10.7m3/h)MembraneArea:15.1ft2(1.4m2)AllPolyolefinContactor4x28-inchContactorSingleUnitCapacity:5gpm30gpm(1.16.8m3/h)MembraneArea:210ft2(19.5m2)Vessel:Polypropylene,StainlessSteelorPVDF10 x28ContactorSingleUnitCapacity:44gpm210gpm(1047.7m3/h)MembraneArea:1400ft2(130m2)Vessel:316LStainlessSteelorPlasticwithPVDFinnersurface,2020/6/12,.,18,AT&TUltrapureWaterDeoxygenationSystem,SematechSponsoredDesignBasis:10gpm(2.30m3/hr)77F(25C)InletO2Saturated(8.5ppm)SystemDesign:Two428ContactorsinSeriesN2Sweep1.0sc