脱硫废水水量计算及烟道处理技术

85周臣1,谭文轶21.浙江省电力试验研究院,浙江杭州3100142.南京工程学院环境工程系,江苏南京211167:介绍了石灰石-石膏湿法烟气脱硫系统(FGD)中脱硫废水水量的计算,以及脱硫废水零排放技术中的烟道处理技术的可行性实际应用结果表明,脱硫废水烟道处理技术可以实现有害物质零排放,而且不会对烟道和电除尘器产生腐蚀,同时,可减少FGD运行的水耗及电耗:烟气脱硫;废水;烟道处理;零排放:X51:A:1002-3364(2009)03-0085-02CALCULATIONOFWASTEWATERAMOUNTFORFGDSYSTEMANDITSZERODISCHARGETECHNOLOGYZHOUChen1,TANWen-yi21.ZhejiangElectricPowerTesting&ResearchInstitute,Hangzhou310014,ZhejiangProvince,PRC2.NanjingEngineeringCollege,Nanjing211167,JiangsuProvince,PRCAbstract:Thecalculationofwastewateramountfromlimestone-gypsumwetfluegasdesulphurization(FGD)systemhasbeenpresented,thefeasibiityoftreatmenttechnologyinflueductforzerodischargeofthewastewaterfromFGDsystembeingexpounded,andseveralpracticalexamplesinapplicationbe-inggiven.Keywords:FGD;wastewaterfromFGDsystem;treatmentinfllueduct;zerodischarge:(1979-),,,,,-300MW,,[1]-,,[2,3],,GB8978-1996-,[4~6],,1HClHFCl-(1)HCl,HClCl,HCl,,,ClHCl(2)Cl-,,;Cl-,,86,Cl-10~20g/L(3)Cl-,Cl-0.1g/L,Cl-,Cl-,Cl-20000mg/L,Cl-20000mg/L,Cl-Cl-,Cl-QpCp10-3+QF(Cm-Cn)10-6=QwCw10-3+QgCg(1):Qp,m3/h;QF,m3/h();Qw,m3/h;Qg(),kg/h;Cp,mg/L;Cm,mg/m3;Cn,mg/m3;Cw,mg/L;Cg,%Qp,QF,Qg,Cl-,20000mg/L;Cl-0.01%();Cl-0Cl-Cl-,1300MW600MW1300MW/600MWQP/m3h-1CP/mgL-1QF/m3h-1Cm/mgm-3QgCg/kgh-1300MW8.5482023375501.2600MW65.8483080250571.41(1),300MW600MW,Cn0,Cl-20000mg/L300MW600MW5.0m3/h8.9m3/h2,,,,,,,,,1,1(1)20%,2%,(2)600MWFGD,3.27t/h,4.6,6.2%;5.0t/h,6.4,6.4%,(3)GGH,FGD,(4),,,,(5)pH5.5(),,,FGD,,SO30.075%,SO33.5%[7]3PrabhatKS,AlexanderY,87,2.2t/h,8.2%8.76%,138,,,FGD[8][][1].[M].2.:,2007.[2],,,.[J].,2006,31(5):122-124.[3].-[J].,2006,39(4):75-77.[4].[J].,2004,20(3):49-50.[5].[J].,2002,18(2),37-39.[6].-[J].,2006,34(6):59-60.[7],,.[J].,2005,25(9):5-7.[8]PrabhatKS,AlexanderY,SuperfinRP,etal.OptimizeDesignOfZeroDischargeWaterManagementSystemsByIntegrationWithSprayDryerTypeFGDSystem[A].THEConferenceonIndustrialWater.OfficialProceedingsTheInternationalWaterConference51stAnnualMeet-ing,1990,10:22-24.(84),,,;,A800t/h21,,,350t/h,15,2132,,,,,,,B,:+(),+,,,,,7(1)SiO2,SiO2,-,SiO2CO2,,,(2)SiO2CO2,,,,,(3):+(),[][1],.[J].,2008,37(4),:94-97.[2]ASTMD4519-94(2005),StandardTestMethodforOn-LineDeterminationofAnionsandCarbonDioxideinHighPurityWaterbyCationExchangeandDegassedCationConductivity[S].[3]HitzelH,ConlinJB.Furtherresultsofcondensatepolis-hingwithseparatecationandanionexchangersinthed-irectaircooledpowerstationMatimbaofESKOM[J].VGBKraftwerkstechnik,1991,71(1):58-61.