钛铝酸钙加入量对铝镁浇注料性能的影响  

Effect of Additions of Calcium Alumino-Titanate on Properties of Al-Mg Castable

作　　者：梁小龙 王子军 王义龙 姜乐 纪建东 郝立可 LIANG Xiaolong;WANG Zijun;WANG Yilong;JIANG Le;JI Jiandong;HAO Like(Tangshan Guoliang special Refractory Co.,Ltd,Tangshan 063021,China)

机构地区：[1]唐山市国亮特殊耐火材料有限公司,河北唐山063021

出　　处：《工业炉》2020年第2期35-37,共3页Industrial Furnace

摘　　要：为了研究钛铝酸钙替代或部分替代高铝骨料对铝镁浇注料性能的影响,用粒径为5~3 mm、3~1 mm的钛铝酸钙分别替代铝镁浇注料中相同粒级的A85高铝矾土(浇注料中钛铝酸钙质量分数分别为0%、4%、8%、12%、16%、20%,换算成钛铝酸钙对高铝矾土的替代率则分别为20%、40%、60%、80%和100%)。经过配料、混炼、震动成型、养护、干燥后,再分别经110℃×24 h、1 200℃×3 h、1 550℃×3 h处理,检测试样的常温抗折强度、常温耐压强度、气孔率、体积密度和抗渣性等性能。结果表明:钛铝酸钙对高铝矾土替代率为60%时,浇注料的综合性能指标最优。In order to study the effect of calcium alumino-titanate replacing or partly replacing high alumina aggregate on the properties of Al-Mg castable, the same particle size of calcium alumino-titanate as5-3 mm、3-1 mm to replace A85 high alumina bauxite(the mass fractions of calcium alumino-titanate in castables are 0%, 4%, 8%, 12%, 16%, 20% respectively, and the replacement rates of calcium aluminotitanate to bauxite are 20%, 40%, 60%, 80% and 100%, respectively). After mixing, blending, shaping,curing and drying, and treating by 110 ℃×24 h, 1 200 ℃×3 h and 1 550 ℃×3 h, testing the modulus of rupture, crushing strength, apparent porosity, bulk density and slag resistance of test samples are tested. The results show that when the replacement rate of calcium alumino-titanate to bauxite is 60%, the comprehensive performance index of castable is the best.

关 键 词：铝镁浇注料 钛铝酸钙 高铝矾土 

分 类 号：TQ175.1[化学工程—硅酸盐工业]