According to the eduction pipe outflowing phenomenon of the electrobath alumina bin,through analyzed the bin and feeder structure ,working process and conditions,the outflowing reasons are found.

• 针对电解槽氧化铝料箱排气管“冒料”现象,从料箱和下料器结构、工作过程及工作条件等方面分析,找出“冒料”原因,采取措施,取得了明显的效果。