The invention relates to a preparation method of refractory gravity pouring material. The technical proposal of the invention is: 35 ~ 55wt% ~ 5 alumina particles, alumina powder, 5 ~ 20wt% corundum powder, 5 ~ 25wt% 30wt% fused ceramite, 2 ~ 10wt% of pure calcium aluminate cement, silica powder, 2 ~ 6wt% 2 ~ 10wt% alpha Al: 2 O: 3 micro powder, 0.1 ~ 0.2wt% water reducing agent mixing, stirring evenly to make. The refractory gravity pouring material prepared by the present invention has the characteristics of non segregation, good fluidity, easy construction, high density, good strength and low cost. Widely used in heating furnace lining, ladle permanent layer, tundish, permanent layer and other thermal furnace.
【技术实现步骤摘要】
【技术保护点】
一种耐火自流浇注料的制备方法,其特征在于将35~55wt%的矾土颗粒、5~20wt%的矾土细粉、5~25wt%的刚玉细粉、5~30wt%的电熔陶粒砂、2~10wt%的纯铝酸钙水泥、2~6wt%的硅微粉、2~10wt%的α-Al↓[2]O↓[3]微粉、0.1~0.2wt%的减水剂混合,搅拌均匀制得。
【技术特征摘要】
【专利技术属性】
技术研发人员:李远兵,覃显鹏,李亚伟,赵雷,雷中兴,金胜利,李淑静,
申请(专利权)人:武汉科技大学,
类型:发明
国别省市:83[中国|武汉]
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