Fine Material Washers

EIW fine material washersThe Eagle Fine Material Washer has three related functions: washing, dewatering, and classification.

WASHING is the primary function 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.

DEWATERING is achieved by conveying the product up an inclined tub to allow the 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. 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 adjustable-height weirs are offset to provide a higher overflow velocity.

FEATURES
Eagle Gear Reducer

• Heavy-duty design with heat-treated helical gears
• Triple reduction gearing allows 100% to 16% speed changes
• 100% of the shaft's thrust load carried by the output shaft(s)
• Oil bath lubrication for maintenance-free operation
• Drive guards standard equipment

Conveyor Shaft
• Helical spiral segments with continuous submerged arc weld
• Extra-thick, one piece shaft tubing

Wear Shoes
• Wear shoes cover the full face of spiral
• Optional urethane wear shoes available

Washer Tub
• Fabricated with thick gauge steel
• Close-clearance curved plate runs entire length of shaft
• Extra-wide side flares for maximum product retention
• Adjustable weirs for out of level conditions
• Spherical-roller rear grease bearing(s)
• High-efficiency electric motor(s)

Feed Box
• Internal and external baffles to deaden feed velocities
• Provides uniform slurry mixture for maximum product retention

Rising Current Manifold
• Reinforced distribution manifold

Optional Equipment
• Discharge chute
• Overflow flume
• Washer supports
• Safety covers
• Pillow-block rear bearing(s)

SINGLE SCREW FINE MATERIAL WASHERS CAPACITIES

SizeMaximumElectricShaftMachineMachineHydraulic Mesh SplitHydraulic Mesh SplitHydraulic Mesh Split
(Dia. x Length) Capacity Motor HP RPM Weight (lb.) Operating 100 Mesh 150 Mesh 200 Mesh
  TPH       Weight (lb.)      
20" x 22' 30 5 38 5,500 16,850 435 190 110
24" x 22' 50 7.5 32 6,400 17,850 505 225 130
30" x 25' 75 15 26 8,600 24,900 595 265 150
36" x 25 100 15 21 10,250 29,800 720 320 180
44" x 32' 175 25 17 17,900 69,900 1720 760 460
48" x 33' 208 30 17 21,150 85,400 1965 872 490
54" x 34' 275 40 14 28,540 115,850 2090 930 575
66" x 35' 400 60 11 40,200 131,000 2590 1150 650
72" x 38' 475 75 11 50,750 202,031 2830 1260 710
SizeMaximumElectricShaftMachineMachineHydraulic Mesh SplitHydraulic Mesh SplitHydraulic Mesh Split
(Dia. x Length) Capacity Motor HP RPM Weight (lb.) Operating 100 Mesh 150 Mesh 200 Mesh
  TPH       Weight (lb.)      
36" x 25' 200 30 21 19,650 54,550 1250 640 360
44" x 32' 350 50 17 36,200 124,200 2800 1440 810
48" x 33' 416 2 x 30 17 43,600 142,000 3100 1550 860
54" x 34' 550 2 x 40 14 55,000 164,200 3700 1750 935
66" x 35' 800 2 x 60 11 77,450 253,400 4375 2100 1095
72" x 38' 950 2 x 75 11 104,210 347,400 5040 2250 1250

Single and Double Washers are designed to process minus 3/8" material. Consult factory for larger materials.

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