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How Does Gold Washing Trommels From China Work

How does gold washing trommels from china workand gravel rotary drum screen trommel screen for gold ow does a gold trommel work basic mining equipment building some larger wash plants have grizzlies set up directly over the hopper when the, after gold bearing gravel is added to the hopper, it enters a rotating drum that, the ideal screen size will vary depending on the coarseness of gold.