The magnesia based big brick was produced by using quality fused magnesite with high calcia and low silica, composite additives and composite organic binder.
采用优质电熔高钙低硅镁砂，添加复合外加剂，用复合有机结合剂结合，制成了镁质大砖。
2
To increase recovery of high carbon ferrochrome, the effecting factors of chrome contents in slags were analysed, and the preliminary test of adding waste magnesia brick and magnesite were conducted.
为了提高高碳铬铁的回收率，分析了影响渣中铬含量的因素，并通过配加废镁砖和菱镁矿作了初步试验。
3
The paper expounds scouring course of rocking furnace bed in medium carbon FeMn process and application effect of magnesite-carbon brick to rocking furnace.