Raw gravel is fed at one end and passes over openings in the drum. Trommels use a rotating drum to agitate the material. The five categories of scrubbers in use today are the Screen Deck, Trommel, Reverse Trommel, Derocker, and Grizzly. Break up clods of agglomerated material.
Separate large cobbles and boulders from the feed gravel.For that reason, it is important to wash your material well so that gold can be captured in the concentrator. The sand and clay that adheres to pebbles and rocks has been shown to have much higher gold content than the gravel as a whole. Most scrubber systems use water jets to wash the gravel to remove the fine gold that is attached to the cobbles. The scrubber will remove large rocks and break down chunks of clay and packed sand. The scrubber is the component of a wash plant that separates raw material and prepares it for concentration. You’ll have a hopper that is fed by an excavator, a trommel that feeds a sluice box and it’s mounted on skids. Take a typical trommel plant that you would find in BC or the Yukon for example. While no two wash plants are identical they all involve a combination of these 4 components. There are 4 main components to a wash plant: Scrubber, Concentrator, Feed System, and Carrier. Different plants are suitable for different conditions. The one thing that they all have in common is that everyone says theirs is the best! We’re not setting out to prove which plant is the best, this article will explore different types of plants and their strengths and weaknesses. There are many different types of washplants on the market today.
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