天津石化工司制氢转化炉为顶烧式方箱炉

:2003-03-06:(1968),,,.:1001-6988(2003)0220032204(,300271):,,:;;:TE963:BAnalysisandCountermeasureforCrackinMakingHydrogenTransformFurnaceTubeGENGFu-hai(TianjinBranchofChinaPetro-chemicalCorporation,Tianjin300271,China)Abstract:Thereasonablemeasureofmaintenanceandoverhaulingisbroughtintoeffectbycontrastingandana2lyzingthemechanicalproperties,chemicalcompositionandmicrostructureofnon-crackfurnacetubeandcrackfur2nacetubeandanalyzingthecrackintransformfurnacetube.Keywords:transformfurnacetube;crack;overhaul0,127mm12mm,ZG40Cr25Ni35Nb,112,,H2COCO2CH4199810,20022,7,,,,,(TQ1)(TQ2),1,112,,,,71m,,,,350mmTQ1,,,350mmTQ2TQ1TQ2,,,,TQ1,2396mm,1mm,,,2,,TQ1TQ2,,(CSiMnPSCrNiNb),TQ1TQ2,;,;TQ1TQ2,;,,33.1TQ1TQ2,121/%CSiMnPSCrNiNbFeTQ10.4521.050.9530.0170.00824.7035.101.0136.42TQ20.3901.020.9660.0160.007425.0334.921.1036.430.350.452.02.00.030.03242732370.61.52/%PbSnZrZnAsCeCaBTQ10.0010.00210.0010.0010.00010.0010.0050.001TQ20.0010.00220.0010.0010.00010.0010.0050.001HG/T26012000,ZG40Cr25Ni35NbCSiMnPSNiNbFe,PbSnAsZn,5010-6,10010-62,TQ1TQ2,3.2,,,TQ1TQ2,,,100%,;,,3.3ZG40Cr25Ni35Nb,,,,M23C6,M7C3M23C6,3325220035,,,,,TQ1TQ2400(12),,,3.4TQ1,,343,4100,,,,,55a5b,,6,,,63.5,TQ2,,7a7b7a7b,,,,,,43:3.6,TQ1TQ2,TQ2,343TQ1TQ2/MPa/%(900)TQ1TQ2HG/T2601-2000TQ1TQ2HG/T2601-20001#458.64.42#468.64.81#458.65.62#462.85.244181#14523.32#14723.01#14621.12#14421.8147304(900)/MPa/hTQ1TQ2HG/T2601-20001#493832#551181#492182#551133#601124#65324910034,,,3.7,,,,,,,,,44.1,,,,:(1),,(2),(3),V,(4),1.6mmPT,150(5)JB473019944.2,(1),,(2),(3),(39)532522003555t1.5/kg,11/GJ,:(49.31.5+0.2611-1.5211)55=3304.954.2,,,,1SO2,5,,615kPa,;,,130,160,,,,;,,6,,,(2),1,,,,,,,,,(35)4.3,(1),,,(2),(3)520026,8,,,,,:[1],.[M].:.1995.9325220035