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An experimetal study on the alumina clinker as by-product through coal powder burning process
Author(s): 
Pages: 19-22
Year: Issue:  7
Journal: Light Metals

Keyword:  煤扮消石灰燃烧氧化铝熟料;
Abstract: 为了实现在高铝煤粉燃烧过程中同时产出氧化铝熟料的副产品.将消石灰和高铝煤混合磨细,在马弗炉中高温煅烧,在燃烧过程中煤灰质和氧化钙直接反应,使得氧化铝熟料的煅烧在煤粉燃烧过程中一次完成.实验结果表明:消石灰质量分数最佳范围为29.23%~31.54%,最佳的燃烧温度为1200℃,熟料的主要矿物成分是Ca2SiO4、Ca4Al6O12SO4和黄长石相;另外热重分析表明,添加消石灰后,混煤的燃烧特性比纯...
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