The paper describes the solution for abrasion of spiral feeder, introducing the way to decrease abrasion by polyethylene serving as liner of feeding chute and appending tandem booster.
The outer lateral of the spiralchute is equipped with a plurality of connection earrings which are fixedly connected with and fixing stents through fixing rods.
螺旋溜槽外侧设有若干个通过固定杆与固定支架连接固定的联结耳环。
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BL1500 a spiralchute is the newest spiralchute designed by BGRIMM. It has been successfully used in separation of metal and nonmetal minerals.