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我矿选厂处理致密含铜黄铁矿,采用一段磨矿优先浮选流程。用自制的φ1000×6500毫米沉没式螺旋分级机与球磨机配套进行分级。过去,螺旋分级机尾轴采用国内通常采用的双层轴套加装石棉盘根的折逆式密封装置。这种装置还不能完全保证尾轴的有效密封。对于比重大、浓度大的致密含铜黄
I mine processing plant dense copper pyrite, using a section of flotation priority flotation process. Use self-made φ1000 × 6500 mm sunken spiral classifier and ball mill supporting classification. In the past, spiral classifier tail shaft with the domestic commonly used double-shaft sleeve installed asbestos packing foldable reciprocating seal. This device can not yet fully guarantee the effective sealing of the tail shaft. For the proportion of large concentrations of dense copper-yellow