锅炉燃烧系统一次风管堵塞原因分析及其防范措施

:20021022:(1970),,,,2300MW:CN311508(2003)06002903(,235106):;;;:(),,:TK229.6:A12300MW,()DG1025/18.3-4,51722000,,20028A3D2E2,E2,(1),426mm10mm,,,,E2D2,E2,1E2(:mm),,12.6m,,,22.114261020mm2.12.2kPa0.8kPa0.5kPa2025m/s260(B-MCR)346200311BOILERTECHNOLOGYVol.34,No.6Nov.,2003©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.2212Mar%9.69.455.2Mad%0.461.450.37Vdaf%2024.2915.46Aar%30.5735.633.04QnetarMJ/kg19.31417.50121.2022.33Mar%5.6Mad%1.57Vdaf%12.67Aar%63.14QnetarMJ/kg9.713,2050m,,,,,,,,,,,,,,4,,,,,,(SiO2Al2O3)(Fe2O3CaOMgO),,,,,,,40%55.1,,(1),(2)(3),,(4)5.2(63.14%,9.31MJ/kg),270MW,,,,850950r/min,,D21m5.3(1),E2(A3D2E2)(100m)(7),,,5.4,,,,,,,,,6,0334©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,:(1),,,,,,,,(),,(),,,,,,,,,,,,,0.8kPa,,,,(),(2),,(3),,,(),,,,,,(4),,,7,,,,:[1].[M].:,1998.AnalysisoftheReasonandAvoidMeasureAboutPrimaryAirPipingJamoftheBoilerBurningSystem.LIUYu2hai(HuaibeiGuoanPowerInc.,Huaibei235106,China)Keywords:primaryairpiping;jam;analysisofthereason;avoidmeasureAbstract:Boilerburningsystemprimaryairmain(alsocalledcoalpowderpipe)mayinduceanddamayedtheequipmentsbecauseofjambysomereason,whichinfecttheunitssafesteadyrun,thistextsummarizedthereasonofprimaryairmainsjamandshouldbeingtakedmeasuretopre2ventitshappen.136:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.