بررسي اثر افزودني ها به سرباره جهت جلوگيري از خوردگي نسوز منيزيت - كربني

Investigating the Effect of Slag Additives on Corrosion Prevention of Magnesia - Carbon Refractories

Magnesia - carbon refractory brick has attracted attention in steelmaking industry due to special properties of heat resistance and non wettability with steel melt. Hot corrosion of slag line and the need to repair and replace with the new brick is a problem. In this research the effect of different slag additions on corrosion of magnesia - carbon refractories in ladle furnace is studied. Results show that the addition of dolomite powder, magnesite carbon used bricks (waste), sintered magnesium oxide and talc in proportions of 15% and 30% to be replaced with the amount of slag is beneficial. The most effective additive in corrosion resistance increase is dolomite.