攀钢1450精轧机轧辊冷却水改造可行性研究

28220064SichuanMetallurgyVol.28No.2April,20061450()1450,,STUDYONMODIFICATIONSCHEMEOFWORKINGROLLSCOOLINGWATERIN1450FINISHINGMILLSTANDSOFPANZHIHUASTEELLaGuohui(HotStripMillofPZHSteel,Panzhihua617062,Sichuan,China)[Abstract]Inthispaper,basedontheinvestigationandanalysisaboutcurrentstatusofproduction,processandequipmentsin1450HotStripMillofPanzhihuaSteel,thestudyonhowthecoolingwatersystemofworkingrollsinFinishingMillstandsaffectstheproductqualityandthefeasibilityofcoolingwatersystemsmodificationschemehasbeencarriedout.[Keywords]finishingmill,workingroll,coolingwater,quality,modification11450,199210,122370,,,2003,100267,620,,,:;;;22.112003112MPaF1F6,,,,112MPaF1-F6,:,,;1F1F2F3F4F5F6520(m3/h)5006605153752253552630m3/hcm3.330.443.432.51.52.4726(m3/h)5255655653953103152675m3/hcm3.53.773.772.632.072.1(m3/h)90090090080080080051002.2,,,F1-F3(1),,,,,12.2.120055,,(22)2F12F1F1()F1()()200514506063200558708092502.2.2,50m,,,,,,,,320051-83200518,,:;,200512,,3,,:,,;,,,,,;,;,;,F1-F2,F3-F4,F5-F6,;(15)4328,34,(Cr,Fe)7C3,(15001800HV),(Cr,Fe)3C(84O1100HV),(10001200HV),,,,,,,,,2#,WC,,,,,,,,,WC,WC,4(1)YB,,(2)CrW,WCZG65Mn41...,1997,(1):36:2006.2.8(34)4500m3/h;4:,,,,,,,,,,,,,,,51450,,,,267/,,1...:,1995.44502....:,2000.337338:2006.2.8512SichuanMetallurgy