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:1006-348X(2003)02-04-04(,330006):,:;;;;;:TM621.8:BAbstract:Thisarticleinducedthedevelopmentandapplicationofthreekindsofcorrosioninhibitorsinchmeicalcleanout.Capativityandmechanismoftheseinhibitonswerediscussedthroughtestsofinhibitiveefficiency,electrochemistryandtoxicity.Theseinhibitorshasbeenappliedsuccessfullyinchemicalcleanupofmanyboilers.Keywords:thermalpower;inhibitor;chemicalcleanup;hydrochloricacid;citricacid;de-oil0,,,,JDY-JDY-JDY-Y,,1JDY-,,,,1.0828g/cm3(25),PH=7.32JDY-1.1016g/cm3(25),PH=7.95JDY-YJDY-,,22.1JDY-::501;JDY-0.30.01%;4h;(ml)(cm2)20:1JDY-::852;JDY-0.30.01%;PH3.04.0(PH);4h;(ml)(cm2)20:111(%)(%)g/(m2h)34583458A200.12430.23510.40120.82130.43290.58120.60880.9516BHW-350.10020.15240.20360.73630.50870.63290.85571.005642620032:2002-08-30:(1973-),,,,2001,©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.2JDY-:4.0%;2.1;JDY-;4.0%;2.122JDY-(%)JDY-(%)g/(m2h)0.10.20.30.40.50.10.20.30.40.5A200.83200.61310.40120.37170.37000.76210.63210.58120.50220.4117BHW-350.58920.31130.20360.19910.18740.80050.68970.63290.57560.50082.3Fe3+Fe3+,JDY-:2.2;JDY-:2.2Fe3+33Fe3+Fe3+(ul/L)Fe3+(ul/L)g/(m2h)0200500800100002005008001000A200.58120.61280.73240.88591.16570.40120.42170.65430.92171.3201BHW-350.63290.67580.75420.90051.20080.20360.23180.33310.58410.76542.4JDY-:2.2;JDY-;2.244(h)(h)g/(m2h)23461046810A200.43580.42130.40120.39180.38730.58120.52160.49250.4778BHW-350.27820.22170.20360.19190.18820.63290.61030.58460.55032.5JDY-JDY-:4.0%;2.1JDY-55JDY-()g/(m2h)40506070A200.39910.40120.62130.9209BHW-350.20180.20360.40050.81342.6JDY-YJDY-YJDY-:500,,,52620032©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.35mg/cm2,W0,,,,,,W1=W0-W1W0100%:50.1%;501;JDY-Y0.40.01%;4hJDY-Y66JDY-Yg/(m2h)(%)(%)A200.420399.597.6BHW-350.214898.996.53,CT-1CorrTestCT-1,,,A20,0.5cm2800,,1h,,30min,15s/E=100mv,0.5mv/s,,JDY-JDY-1271JDY-1-3.0%HCL+0.3%JDY-2-5.0%HCL+0.3%JDY-3-3.0%HCL4-5.0%HCL2JDY-1-4.0%+0.3%JDY-2-6.0%+0.3%JDY-3-4.0%4-6.0%75.0%HCL3.0%HCL5.0%HCL+0.3%JOY-3.0%HCL+0.3%JOY-6.0%4.0%6.0%+0.3%JDY-4.0%+0.3%JDY-ba(mV)85981421619783201192bc(mV)7580911077884185163icorr(A/cm2)23620535272502122722Ecorr(mV)-540-524-472-459-590-582-575-560(%)85.286.089.289.662620032©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,babc,icorr,,JDY-A20Ecorr,JDY-A20Ecorr,,4JDY-JDY-JDY-Y::():LD(0)25g/kg,55.1JDY-JDY-,2300MW134125MW1125MW1125MW15.2JDY-,,JDY-,2300MW1350MW5.3JDY-YJDY-Y3200MW:,NaOH400kg,Na3PO412H2O1500kg,,24h,,,66.1,Fe3+,DL/T794-2001(:10g/m2h),120g/m2),,6.2JDY-Y,,[1]DL/T794-2001[2].[M].:.1987[3].[M].:.1998(3)[2]TMS320F24X[M].,1998.[3].[M].,,2002.[4].[M].,,1994.[5].DSP[J].,2002.(4)5-8.72620032©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.