:100320794(2002)0620046202(,154604):S01083%,P01190%,,,:;;:TF74115:A1,,,,,,0120%10min,CaCO3CaO+CO2,,,,,2(1),CaO,,,,,,(2),(3)CaCO3CaO+CO2,,,[FeS](CaO),,(4),CaCO3,CaO,,[FeS]+(CaO)=(CaS)+[FeO][FeS](FeS),(FeS)+(CaO)=(CaS)+(FeO)3(1),,(2),(+),(3)80%,,(4)CSP,(5),,,(6),,4411(1),45,,,,,,,,216,,:(1);(2);(3);(4):[1]1[M]1:,19861[2]GB/T12718-911[S]1[3]1[M]1:,19871[4]1[M]1:,19911[5]1[M]1:,20001:(1963-),,,1985,7:2001211211AnalysingmacrosectionofcircalchainWANGZhi-hai(ElectrMechanialTotalFactoryofYimaMiningIndustryCompany,Yima472300,China)Abstract:Accordingtoallkindsofdifferentmacroshapeofsectionbeingtestedanddrawofcircalchain,wecanfindthereasonthataffectthequalityofsectiononthespotinordertodealwithiteasilyandquickly.Keywords:buttwelding;grayspot;oxidespot;macroshape6420026,CaCO3CaO+CO2,CO2+C=2CO,,450104%0108%,,(2),,,,,310315,(CaS),2,310315,,,(3),,,P01025%,,412,[H][N][O],,[O][H][N](1)[FeO],,,CO,,,,,,,,,,,0103%0107%(2),:;(),,5511(1),,115t,1h,300kWh(2),,(3),,,,,512(1)300kWh,600t,01225/kWh,40500,,6kg(5500/t),6kg(400/t),21240,(300/t)80kg,14400(2)(14000/t)1115kg,10080,(),616:[1]1[M]1:,19861[2]1[M]1:,19881[3]1[M]1:,19811[4]1-NR[M]1:,1983,(5):24-271:(1968-),,,1991,:2002202226NewtechnologyoffaststeelificationinelectricarcovenSUCheng-jun(QitaiheCleanCoalGroupCompanyMachineryManufactureTotalCompany,Qitaihe154604,China)Abstract:Testingintheconditionofsteelscrapcontainsbelow01083%sulphurandbelow01193%phosphorus,usingsteelificationnewtechnologywithsingle-slagmethod,thispaperremovesoperationinperiodofoxideandrestoretotradi2tionaldouble-slagmethod.Keywords:electricarcoven;faststeelification;technology7420026