A large portion of the materialisoften glued on the belt when delivering materials in the first stage floating grinding ball mill section of Sizhou Concentrating Mill of Dexing Copper Mine. The phenomenon of "feed back" occurred frequently in the unloading roller specially with high moisture of the materials. Materials and supplies accumulated easily under the unloading roller for a long time and the beltconveyor and support roller have "running off " phenomenon due to bad contact damaging the belt. Meanwhile, It is also very difficult to control the environmental sanitation. Therefore, it is necessary to clean the materials on the return belt surface, the self cleaning sweeper is installed on the part of the unloading roller, and greatly reduces wear ofbelt conveyor , and the unloading end has no stacking phenomenon, and good results are obtained.%德兴铜矿泗洲选矿厂一期磨浮工段给料运输皮带在输送物料时有部分物料往往会粘结在胶带上,尤其物料水分较大时,在卸料端容易发生"返料"现象.长时间物料在卸料端下方堆积且皮带和托辊因接触不良发生"跑偏"现象,容易损伤皮带[1-2].同时,机台的环境卫生治理也十分困难.因此清理回程胶带面上物料很有必要,为此在卸料滚筒部位自制安装清扫器,大大减少了运输皮带磨损,卸料端没有堆矿现象,也没有"跑偏"现象,取得了良好的效果.
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