Dewatering Washer saves valuable Material from Waste Pond

Aggregates Processing

Dewatering Washer saves valuable Material from Waste Pond

Superior Industries, a U.S. manufacturer and global supplier of material handling systems and their related components, says its washing fines recovery system was granted patent protection from the U.S. Patent and Trademark Office. This technology, manufactured into the company’s Aggre-Dry Dewatering Washer, reroutes minus 25 mm material fines from an onboard dewatering screen back to the integrated sand screw.
(ed. WoMaMarcel - 09/3/2015)
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Sand processed through Superior’s Aggre-Dry Dewatering Washer is stockpiled with a moisture content of just 8%, meaning the saleable product requires no drying time and can be accessed immediately

Traditionally, the company says, these fines are lost to waste ponds, but the recovery system processes this material to the saleable stockpile. Depending on production rates, the extra material can add tens of thousands of dollars to sand producer’s bottom line. Superior’s Aggre-Dry Dewatering Washer is a single machine integrating a fine material washer and a dewatering screen. Sand processed through the equipment is stockpiled with a moisture content of just 8 %, meaning the saleable product requires no drying time and can be accessed immediately.

Alternative uses to this technology include traditional sand screws, which produce high moisture material that can takes weeks to dry; dewatering screens without partner material washers lose up to 15 % of sand to waste ponds; and cyclones use excessive amounts of horsepower, at least double the consumption of an Aggre-Dry Dewatering Washer. The machines are available in single or twin screw configurations and in screw sizes of 36 in (914 mm) to 60 in (1524 mm). The twin screw 60 in model is capable of processing up to 800 t/h. The maximum material size that can be process through the machine is 3/8 in (9.5 mm).

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