Unusual situations of loss and poorness index of electric-rake-lane in mining process over the years were analyzed. Detail measures of decreasing and poor index were put forward by finding causes.

• 分析了历年来出矿过程中部分电耙道的损失贫化指标出现的异常情况,通过查找原因,提出了降低损失贫化指标的具体措施。