役后铝镁碳砖再生料应用于Al_2O_3-SiC-C质浇注料  

Research on Application of Recycled Alumina-Magnesia-Carbon Bricks in Al_2O_3-SiC-C Casting Materials

作　　者：王义龙[1,2] 卜景龙[1] 王榕林[1] 王志发[1] 

机构地区：[1]河北理工大学材料学院河北省无机非金属材料实验室,河北唐山063009 [2]唐山市国亮特殊耐火材料有限公司,河北唐山063000

出　　处：《河北理工大学学报（自然科学版）》2010年第4期98-102,共5页Journal of Hebei Polytechnic University:Social Science Edition

基　　金：唐山市科技局项目资助(项目编号:08110201A-1-5);河北省无机非金属材料实验室开放基金(项目编号:HKLINM200901)

摘　　要：以8～5 mm、5～3 mm、3～1 mm和<74μm役后铝镁碳残砖再生料为原料,部分替代同种规格Al_2O_3-SiC-C质浇注料中的高铝矾土熟料配料量,通过对材料的烧结性及抗钢渣侵蚀性等性能的测试分析,探讨了铝镁碳砖再生料的引入粒度和用量对Al_2O_3-SiC-C质浇注料性能的影响规律。结果表明,随着铝镁碳砖再生料粒度的减小和用量的增加,Al_2O_3-SiC-C质浇注料烧后气孔率、常温抗折(耐压)强度和高温抗折强度逐步降低,抗钢渣侵蚀性逐渐变差。在试验用料组成范围内,以引入8～5mm役后铝镁碳残砖再生料的Al_2O_3-SiC-C质浇注料的综合性能最好。Effect regularity was investigated on grain size and content of recycled alumina-magnesia-carbon bricks as raw materials of 8-5 mm,5-3 mm,3-1 mm and 74μm partially substituting bauxite chamotte in Al2O3-SiC-C casting materials by analysing sintering character and erosion-resisting steel slag characteristics of the samples. The experimental results shown as,with reducing of grain size and increasing of content of the raw materials, apparent porosity increased,flexural strength and compressive strength at room temperature and high temperature decreased,erosion-resisting steel slag characteristics deteriorated.The combination property of Al2O3-SiC-C casting materials with recycled alumina-magnesia-carbon bricks as raw materials of 8-5mm is best in the case of experiment.

关 键 词：役后铝镁碳砖 再生料 应用探讨 

分 类 号：TQ175.732[化学工程—硅酸盐工业]