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Gold Science and Technology ›› 2016, Vol. 24 ›› Issue (2): 90-94.doi: 10.11872/j.issn.1005-2518.2016.02.090

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Optimization Experiment Research on the Ball Charge Characteristics of MQG3660 Grate-type Ball Mill in a Gold Mine

WANG Wenjun1,XIAO Qingfei2,KANG Huaibin3,ZHAN Xinshun4,WU Qiming4,XIAO Hun4   

  1. 1.Mineral Resources Department of Jiangxi Copper Corporation,Nanchang    330096,Jiangxi,China;
    2.Faculty of Land Resource Engineering,Kunming University of Science and Technology,Kunming    650093,Yunnan,China;
    3.Dongguashan Copper Mine,Tongling Nonferrous Metals Group Co.,Ltd.,Tongling    244031,Anhui,China;
    4.Jiangxi Copper Corporation,Nanchang    330096,Jiangxi,China
  • Received:2015-12-01 Revised:2015-12-28 Online:2016-04-28 Published:2016-05-30

Abstract:

Due to the unreasonable ball diameter and proportion of the MQG3660 grid-type ball mill in a gold mine,some of improved measures were conducted in this study.The ball diameter was calculated based on ball diameter semi-theory formula,and the grinding comparative experiments on different ball charge characteristics were accomplished. Finally,the best initial installation ball diameter and proportion(m(Φ80)∶m(Φ70)∶m(Φ60)∶m(Φ40)=10∶20∶30∶40) and adding ball diameter and proportion(m(Φ80)∶m(Φ70)∶m(Φ60)∶m(Φ40)=10∶20∶30∶40) were achieved.The results of industrial test showed that the capacity of grinding increased by 3.36 t·h-1,and metal consumption and power consumption reduced by 15.57% and 9.85%,respectively.Obviously,the goal of increase production,energy saving and low metal waste was achieved by optimizing the ball charge characteristics in the present work.

Key words: grid-type ball mill, ball charge characteristics, grinding, gold mine, grid-type ball mill, ball charge characteristics, grinding, gold mine

CLC Number: 

  • TD953

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