氧化铝生产种分附聚过程的粒度变化模型

来源期刊:中国有色金属学报2008年增刊第1期

论文作者:刘吉波 王亚东 刘志明 李旺兴

文章页码:215 - 218

关键词:铝酸钠溶液;种分过程;粒度分布;模型

Key words:sodium aluminate solution; gibbsite precipitation process; particle size distribution; model

摘    要:通过粒度衡算和质量衡算对氧化铝种分过程附聚段进行种分过程粒度变化模型的构建,选取合适的模型参数和动力学方程,应用模型计算某氧化铝厂种分附聚段出口粒度分布,并与实测值进行对比。结果表明:模型计算粒度分布与实测结果基本吻合,平均粒度的实验值与模型计算值误差在10%以内。

Abstract: A model of particle size distribution model on the agglomeration process of seeded precipitation during aluminaproduction was contructed according to the population balance and mass balance study on precipitation process. Proper parameters and kinetics equations were selected. The particle size of agglomeration process was calculated by the model and compared with the experimented data in a given alumina refinery. The results show that the calculated and detected data fit well, and the relative error of the average particle size data between model calculation and practical detection is less than 10%.

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