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Reconstruction research on the grinding and classification circuit in Paishanlou Gold Mine
Author(s): Zhang Qingbo, Wang Yanrong, Zheng Yanping
Pages: 30-
35
Year: 2006
Issue:
6
Journal: GOLD
Keyword: 磨矿; 分级; 技术改造; 提高处理能力;
Abstract: 排山楼金矿引进诺德伯格超细碎技术设备后,为了与碎矿能力相匹配对原有磨矿与分级系统进行了技术改造.对二段MQY3200×6000球磨机进行了提高充填率技术改造,使球磨机钢球充填率由32%提高到42%,q0值由0.57t/(m3*h)提高到0.79t/(m3*h);对φ500mm水力旋流器内部结构及工作参数进行重新设计与调整,缩小进浆口尺寸,增加溢流管插入深度,相对提高水力旋流器工作压力与分级停留时间,进而提高水力旋流器分级效率和处理能力.通过以上技术改造,排山楼金矿磨矿与分级系统处理原生矿石能力由技术改造前的1 750t/d提高到1 985t/d,技术改造效果非常显著.
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