浅谈涂层钢板生产工艺

063016TF174.44C1006-5008200502-0007-05DISCUSSIONABOUTPROCESSOFPAINTEDSTEELSTRIPMEIShu-wenQIChang-faTechniqueCenterTangshanIronandSteelCompanyTangshanHebei063016AbstractItisintroduceditsproductionprocesskeytechniqueandequipmentsaswellasthepaintandcovering-filmusedforit.Themainqualitycontrolfactorsinproductionareanalyzed.6789:r;spaintedsteelstrippaintcovering-film12/1++211714620052HEBEIMETALLURGYTotal1462005Number═══════════════════════════════════════════════════════════════22004-11-08MSC2.140090%160m/min180m/min2.225～40µm2.3P(C2.415m/min1)*/min92.5MSCMSCMSCP+,-./0C1+2.3M175℃5～10µm40℃MSCP+,./0C1+2.C45m6/03M222MSC81467898:;8:=18µmMiddletown2.6BHPSolidBlockPainting180℃33BHPBHPBHP33.11Zn+2H2O+2OH-→ZnOH42-+H2Co2++Fe2++2Zn→Co+Fe+2Zn2+2Fe3++Co2++8OH-→CoFe2O4+4H2O2CoOH2+1/2O2→2CoOOH+H2O2CoOOH+ZnOH2→ZnCo2O4+2H2O2Zn+2H+→Zn2++H2↑Cr2O72-+6H2+2H+→2CrOH3+H2OZn2++CrO42-→ZnCrO4CrOH3+CrO42-+2H+→CrOHCrO4+2H2O1/103TipH2～450～60℃pHNiTiNiTi920052ZnTNi4TiZr3.290%441µmFATA3.3101146HEBEIYEJIN1/s450℃220℃6045200℃220℃35200℃220℃35EBC100%3.4!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!63hOFFSETH1h'h'=vIN×H/vOUThOFFSET=h-h'434ΔhΔh=Δh+hOFFSET=vINvOUT×H+ΔH-h+hOFFSET5②GMFΔS=-KM+QKM×ΔhGMFΔS=-KM+QKM×GGMF×Δh6KMQGGMFGMF3TMFΔvΔhvIN+ΔvIN×H=vOUT×h+ΔhvIN×H+ΔvIN×H=vOUT×h+vOUT×ΔhΔvIN=vOUT×ΔhHΔv=ΔvINvINΔv=vOUT×ΔhHvOUT×hH=ΔhhTMFΔv=-1h×GGMF×Δh7Δh=vINvOUT×H+ΔH-h+hOFFSETGTMFTMF1650SMART-CROWN41120052