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鞍钢耐火厂生产的平炉用镁铝炉顶砖,于1957年在中国科学院金属研究所协助下试制成功,已有26年生产历史。当时国际上多采用镁铬砖代替硅质炉顶砖,由于我国铬铁矿资源缺乏,因此配料中加入氧化铝形成镁铝尖晶石代替国际上惯用的铬铁矿,同样获得了良好的热稳定制品,适应了碱性平炉冶炼的需要,在鞍钢各炼
Ansteel refractory production of flat furnace with magnesia furnace roof tile, in 1957 in the Chinese Academy of Sciences Institute of Metal assisted trial success, has 26 years of production history. At that time, magnesia-chrome brick was used instead of siliceous top brick in the world. Due to the lack of chromite resources in our country, alumina was added into the ingredients to form magnesia-alumina spinel instead of the internationally used chromite ore, which also obtained good heat Stable products, adapted to the needs of the basic open hearth smelting, refining in the Anshan Iron and Steel