Siemens has developed a mechanism which adds a shaking action to ore grinding mills, preventing large stones from blocking the mills and stopping production.
Known as the Frozen Charge Shaker, the system from Siemens uses a gentle forward and backward motion to remove ore from the inside of the drum. This reduces downtime and increases availability, in part because the large rocks can no longer damage the mill.
Siemens is installing the first units of this new system into two mills that are scheduled to go into operation next year in the Lumwana copper mining district of northern
The mills can be controlled over the Internet using eWD software.
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