紫色砂页岩烧结砖存在的问题及工艺改进研究  

Study on Existing Problems in Sintering Brick of Purple Sandy Shale & Its Technical Improvement

作　　者：冯志刚[1] 史文革[1] 王清良[1] 胡鄂明[1] 

机构地区：[1]南华大学建筑工程与资源环境学院,衡阳421001

出　　处：《非金属矿》2005年第4期36-37,61,共3页Non-Metallic Mines

摘　　要：针对紫色砂页岩烧结砖出现的石灰爆裂问题,通过实验研究,在不增加生产成本和工艺程序的条件下,改变码窑方式即增大砖窑边角和顶部的码窑密度,从而提高烧结温度;用高硫煤作为内燃煤,即用煤中的硫固定碳酸钙分解形成的氧化钙,从而使砖的质量显著改善。To prevent sintering bricks of purple sandy shale from lime cracking,we put forward two pieces of effective process without increasing production cost and process procedures. First is to change stacking modes of adobe bricks in brickkiln to heighten roasting temperature, i.e. to enhance stacking density of adobe bricks at the side and top of brickkiln. Second is to use high sulphurous coal as internal-combustion coal, i.e. to use S in coal to fix CaO decomposed by CaCO_3. These approachs can improve the quality of bricks and rejection rate is lowered.

关 键 词：页岩烧结砖 改进研究 紫色 砂 碳酸钙分解 石灰爆裂 实验研究 工艺程序 生产成本 烧结温度 高硫煤 氧化钙 码窑 

分 类 号：TU522.12[建筑科学—建筑技术科学] TS221[轻工技术与工程—粮食、油脂及植物蛋白工程]