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The Eagle Fine Material Washer performs three related actions: washing, dewatering and classification.
Washing is the primary function of Fine Material Washers and is accomplished by the continuous rotation of the conveyor shaft and the velocity of the overflowing waste water acting on the feed material. The rotating shaft causes the feed material to roll and tumble, which in turn provides particle on particle attrition. This action allows deleterious coatings to be removed from the sand product and discharged with the overflowing waste water.
Fine Material Washers achieve dewatering by conveying the product up an inclined tub to allow free water to drain from the material. Using a close-clearance curved plate on one side of the conveyor shaft and a drainage trough on the other side, water is allowed to drain from the product as the spiraled shaft delivers the material up the inclined curved plate. This process means less water and results in a drier final product that is more salable.
Classification is achieved by adjusting the volume of water over the adjustable-height weirs of the Fine Material Washer. For maximum material retention, the washer’s three adjustable weirs are set level to provide a low overflow velocity. For coarser mesh hydraulic splits, the Fine Material Washer’s adjustable-height weirs are offset to provide a higher overflow velocity.
Heavy-duty design with heat-treated helical gears
100% of the shaft's thrust load carried by the output shaft(s)
Wear shoes cover the full face of spiral
Heavy-duty design lasts over 50 years