Fine Material Washer
Classify, Scrub and Dewater
Fine material is usually defined as 3/8” (9.5mm) and less. However, Superior’s fine material screw washers will accept a maximum feed of 3/4” (19mm).
In addition to minor scrubbing, the machinery is capable of removing clays, silt, and unwanted lightweight contaminants. Heavier material settles to the bottom and is augured up the tub.
As it proceeds up the incline, water drains from the material and is eventually discharged with a moisture content of 15-25%.
If you don’t have time or space to stockpile and dry this material, many producers pair with a dewatering screen to remove half of that moisture. Better yet, the Aggredry® Dewatering Washer is all processes in a single machine.
- Single or twin screws
- Capacities up to 1,100 STPH (1,000 MTPH)
- Only fine screw capable of handling up to 3/4” (19mm) material
01.
Belly Pan
Curved shape eliminates dead spots for material to gather, which is common at 90° angles.
02.
SAFEGUARD™ OUTBOARD BEARING
Off-the-shelf pillow block bearing installed outside the tank to shield from moisture.
03.
flushback nozzle
Improves dewatering by removing inactive sand near discharge.
04.
load zone baffle
Calms water to help maximize fines retention.
05.
weir plate
Adjustable design encourages overflow water to level, which maximizes fines retention.
Models
BEARING OPTIONS
Safeguard™ Outboard Bearing
36 x 25 SINGLE SCREW SHOWN
Standard design
Pillow block bearing
Bearing mounted away from tank
Retrofit kits for existing screws
Flange Mount Bearing
44 x 32 SINGLE SCREW SHOWN
Uses flange block bearing
Matches footprint of EIW and Trio
Replacement parts available too
Fine Material Washer
SHOE Selection
urethane
Natural Aggregate
Contaminated Feed
rubber
Natural Aggregate
Crushed Limestone
Frac Sand
Iron
Crushed Aggregate
High Silica Feed
Cullet
Ferrosilicon
Fine Material Washer in Application
Saylorcreek Sand Company, a Des Moines, Iowa-based producer of sand, mulch and dirt relies on Superior’s quick response service times to maintain high levels of material production.
Startup construction aggregate firm, Apex Sand & Gravel, uses Superior washing and conveying equipment to supply I-80 in Western Nebraska.
Which equipment is right for my production?
Fine Material
Washer
AGGREDRY®
WASHER
Alliance® Low
water Washer
Spirit®
Sand Plant
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