烧结法生产氧化铝脱硅分析

介绍了几种烧结法生产Al2O3脱硅工艺,重点分析了添加硅渣晶种脱硅和添加石灰乳脱硅的工艺流程、特点、经济效益。针对脱硅的改进工艺特点,如钠硅渣不分离的脱硅工艺、钠硅渣分离的脱硅工艺、三次脱硅工艺、管道化脱硅工艺,分析了各工艺的适应性、产品质量和经济效益。

ANALYSIS ABOUT DESILICONIZATION IN PRODUCTION OF ALUMINA WITH SINTERING METHOD

It is introduced several desiliconization processes in production of Al2O3 with sintering method.It is analyzed in emphasis the process flow,features,economic profit of desiliconizations adding white mud crystal seed or adding lime milk.It is analyzed the applicability,product quality and economic profit for the following improved desiliconization processes: sodium slag and white mud not being separated,sodium slag and white mud being separated,three-times desiliconizing,piping desiliconizing.