简介:ThepaperreportedresultsofthermodynamicalanalysisandexperimentonMgO-C,MgO-CaOANDMgO-CaO-Ferefractories.TheresultshaveshownthatstabilityatsuperhightemperatueincreasesinorderofmeritMgO-Ccontianingmetaladditives,MgO-Ccontainingnometals,MgO-CaO-CandMgO-CaO-Fe,Onthebasisoftheexperimentresultsandtheoryanalysis,rammingmixandhotrepairingmixwereproducedinpatches,andweretrialusedin5t,60tand100tDCfurnacesandextraordinarygoodtrialresultswereachieved.