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How the Electric Magnets Work
The magnetic division used in this cleaning mill is about 12 feet long and 30 inch wide. The belt is 10 feet long and 18 inches wide .The 3 AC magnets calculate 18 by 20, the DC magnets face the middle four inches of the conveyor belt. Basically all of the magnetic iron has been remove by this moment: the majority on the separating table, the residual on the magnetic divider. The primary concentrate consist mostly of gold with small quantity of other nonmagnetic materials .This concentrate must be carefully washed by hand to split by gravity ,the gold from the other material near. The final artifact will be wash free gold or placer gold .The lower concentrate contains normally iron with only a little sum of gold .This concentrate cannot be easily clean by washing but instead must be compound the melted and transfer into a mold to form a gold “button” .Both of these progression will be discussed in the detail .