作者：B. H. Teider, B. Graham, M. A. L. Braulio, J. B. Gallo, V. C. Pandolfelli
作者單位：
刊名：refractories world forum
ISSN：
出版年：2013-08-01
卷：
期：3
起頁：
止頁：
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語種：英文
關鍵詞：
內容簡介References of optimized refractory materials for lining circulating fluidized bed alumina calciners are commonly found in the literature. However, unexpected failures of these refractories are relatively usual, affecting the performance of alumina refineries in various aspects. Due to the importance of this subject, this work addresses the performance analysis of a gunning refractory that faced harsh operational conditions and resulted in a short working life. "Post-mortem "evaluation, "in situ " observation and property characterization were used to study and understand the materials' behavior in use. Based on the attained results, discussions related to a better performance potential of distinct refractories is presented, highlighting that significant improvements of calciner refractory life can still be attained having a direct benefit on the processing operational time and lost income reduction.
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