常压热水锅炉的防腐及停炉保养

:20011113:(1955),,,1(719000):,,,,:;;;;;:TK228:A:10083871(2002)02002503,,,,,,,,,:1111,[1]PH,,FeFe2++2e2H2O+O2+4e4OH-Fe2++2OH-Fe(OH)24Fe(OH)2+O2+2H2O4Fe(OH)3,:(1),;(2)112,:(1);(2);(3),,,,PH,,Fe(OH)3,,,,,,,,[2],,,,,,,,:(1);(2)PH;(3)20026122JOURNALOFYULINCOLLEGEJune.2002Vol.12No.2©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.113M,,,CO22NaHCO3Na2CO3+CO2+H2ONa2CO3+H2O2NaOH+CO2CO2,,H2CO3CO2+H2OH2CO3H2CO3H++HCO-3HCO-3H++CO2-3PH,:Fe+2H2CO3Fe(HCO3)2+H24Fe(HCO3)2+O22Fe2O3+8CO2+4H4O,:(1)M();(2)PH();(3)()2211[1],,,,,,,CLSG,,,,,,,2030mm,56mm,23mm,15mm,,,,,,,,212(1):(2),21211,,,,,11PH939377(mgöL)N2H4200N2H4100NO-2200NO-2100336,,,1,6220022(38)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,PH12,,,,,,,,21212,,,9095,,22(kgöm3)351151131115(12),,,,,,015kgföcm2,013kgföcm2,,:[1][].[M]1:,19911[2]1[M]1:,19881OnAnti-corrosionofHotWaterHeatingBoilerUnderNormalPressureandtheBoilersMaintenanceWangJian2guo(DepartmentofChemistry,YulinCollege,Yulin,Shaanxi719000)Abstract:Withaviewtoreducingaccidents,conservingenergyandensuringnormaloperationofheatingsystem,thisthesisstatesthemainapproachestoanti-corrosionofhotwaterheatingboilerundernormalpressureinthewinterofthenorthandtheboilersmaintenancewhenitisnotinoperation.KeyWords:normalpressure;hotwater;boiler;anti-corrosion;maintenance;measures.(:)72:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.