Bulo na magnesia carbon a ƙofar tanderun shine wurin da ke da rauni na masonry mai rufaffiyar bangon tanderun. Magnesia carbon tubali zai samar da wani babban thermal fadada bayan fuskantar high smelting zafin jiki, kuma za a saki centrally a cikin tanderun kofa yankin, sabõda haka, magnesia carbon tubali arches. A saboda wannan dalili, lokacin da ake gina tubalin magnesia na carbon a ƙofar ginin masonry, ta hanyar ƙara kayan aiki na musamman, ajiye 1 ~ 2mm haɗin ginin tubali don saduwa da fadada sararin samaniya tsakanin magnesia carbon tubalin da kuma kawar da tasirin haɓakar thermal.
Ana amfani da wutar lantarki kofa don gyara tubalin ƙofar tanderu, mai sauƙin tsaftace slag, masonry na gargajiya tare da graphite electrode, saboda ɗan gajeren rayuwar sabis na ƙonawa, maye gurbinsa da wutar lantarki mai sanyaya ruwa na ruwa, kyakkyawan maganin wannan matsala. , Rayuwar sabis na iya kaiwa fiye da tanderu 2000.