铅鼓风炉喷吹粉状燃料强化熔炼工业试验

,(,650051):,,,5,10144%,15%,19113%,1112,97134%:;;;:TF812:A:1007-7545(2006)02-0014-03IndustrialStrengtheningSmeltingExperimentofLeadBlastFurnacebyInjectingPowderyFuelWANGJi2kun,ZHOUTing2xi(YunnanMetallurgicalGroup,Kunming,Yunnan650051,China)Abstract:Thepowderyfuelisusedtosubstitutepartlyformetallurgicalcokeinjectedfromblast2holearea1In2dustrialexperimentshavegotgoodtechnical2and2economicindexes1Thetechniquethatinjectedmixtureofsemi2cokeandbrowncoalhasbeenusedinindustryforoneyear,technical2and2economicindexeswassteady15monthsstatisticsindexesshowthatthefurnacecapacityhasenhanced10144%,cokerateandproducecosthavereduced15%and19113%respectively,replacementratiowas1112,leadrecoveryratiowas97134%1Keywords:Blastfurnace;Leadsmelt;Injection;Powderyfuel:(1943-),,,,75%,80%SO2(SO2018%2%),,,QSL,,SO2,,SO2,,,,(SKS),,41()20062(ISA2YMG),ISA2YMG8,,SO21%2%5%,SO2,,,,50%,,,;,(),,,,11113,1121Table1Analysisofpowderyfuel/%WVCAASiO2FeCaO0194019781251919148194414221644196111526914414109381261110271842316235112341057125591465167=735138191476318211113219791805815728163351511315111161112,20151%25136%::3m2(215m112m)2211,,H2CH4,75%(),,CO,C,,,COH2N2CO23,;;,,,,,,,,,,,21270%+30%2(2003110)51()200622Table2Indexescontrastingbefore/afterinjectedpowderyfuel70%+30%/t8109413182771358/h7213372/999512107/%191272717425136/(t/m-2d-1)62147651567216268190/%12127111821014310192/%1160211011443(1),,,,,8501050(700),3040min(,20min),,,,12501275,,,4195%,0134,2%,8161(2),=73,:16125%,15%,,9156,()11361,,,,1,,,,,,,,,(3)3,:10129%,11%,2%,912,01792,,60%,,,1,,,,,4200312312004520,2781868t,2637158h,8416,22174%,68199t/(m2d),10142%,1152%,10144%,15%,2%,9133,11121290185/t,200391596128/t,19113%,2004517,31591t,149163kg,:16118%,68191t/(m2d),8190%,0178%,10131%,27%,11945,,,73,10144%,15%,1112,19113%,97134%,,(),,61()20062