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本溪矿选煤厂的主洗鲍姆跳汰机是三段组成的。其一段为倒排矸(图1)。采用倒排矸的理由是原煤中含较多黄铁矿。实践证明,给料槽与排矸闸门上下相邻以致造成大量的煤炭损失(矸石中含比重-1.5的精煤量占7.33%)。
Benxi Coal Preparation Plant main wash Baum jig is composed of three sections. The first paragraph for the inverted gangue (Figure 1). The reason for using inverted refuse is that the raw coal contains more pyrite. Practice has proved that the feed trough and the gangue gate adjacent to the upper and lower, resulting in a large amount of coal loss (coal gangue containing the proportion of -1.5 accounted for 7.33% of the amount of clean coal).