简介:ApplictionofMgO0-Cr2O3brickcomposedofMgO>72%,Cr2O3>14.8%-168.69%,withporosity13%-14%,compressivestrength33.0-43.8MPa,flexurestrength11.9-16.5MPaandrefractorinessunderload≥1750℃inanassemblesnorkelof300tRHfurnaceinBaoskhanIron&SteelCompany(Baosteel)Showedgoodresultsofaverageservicelifeof106.6heats,maximum119heats.Petrologi-calanalysisandvisualexaminationwerealsodonetotheresidualbricktoinvestigatethewearmecha-nism.
简介:摘要:本文对向家坝升船机平衡重导轨的制造特点进行了较为详细分析,按标准化制造的基本思路,组织制造工艺试验,重点进行振动时效残余应力检测,监测记录了试验导轨60天的变形趋势,不同钝边坡口的焊接试验,在此基础上形成优化制造工艺方案,并成功完成了全部3460节导轨制造。