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Gold Science and Technology ›› 2014, Vol. 22 ›› Issue (3): 82-85.doi: 10.11872/j.issn.1005-2518.2014.03.082

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Application of Large Tower Mill in Cyanide Fine Grinding of Gold Concentrate

YAO Fushan1，2   

  1. 1.Qingdao Technological University，Qingdao   266033，Shandong，China；
    2.Refinery of Shandong Gold Mining Co.，Ltd.，Laizhou   261441，Shandong，China
  • Received:2014-01-21 Revised:2014-03-19 Published:2014-11-04

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Abstract:

Tower mill is a type of fine grinding equipment with vertical fixed installation，cylinder fixed and helical mixing device.Because gold and silver particles is fine in gold concentrate，and most of gold and silver minerals with even had body and inclusions form coexist with pyrite，fully grinding of gold concentrate is necessary in order to improve grinding fineness，make gold and silver particles fully naked，and achieve the effect of monomer dissociation.During the process of cyanide gold concentrate，due to the large increase in degree of dissociation，gold and silver are leached thoroughly，thus cyanide recovery.Tower grinding machine has the advantage of low energy consumption，grinding fine granularity，low noise，occupies less space，easy maintenance， easy installation and high grinding efficiency，therefore，it is ideal fine grinding mill in cyanide fine grinding.

Key words: gold minerals, silver minerals, grinding particle size, monomer separation, tower mill

CLC Number: 

  • TD453

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