混汞碾金机是比较常用的磨矿设备，再碾金机中加入汞也可实现混汞提金作业，但混汞效率低下，汞的消耗量大，对金的回收率低等原因，现已很少使用混汞碾进行混汞提金的作业。

Amalgamation grinding gold machine is a relatively common grinding equipment, then grind machine gold to add mercury can also realize the amalgamation of gold work, but low efficiency of amalgamation, the mercury consumption high, the gold recovery rate is low is now rarely use of mercury in grinding the amalgamation of gold of the operation.