Pit & Quarry, November 2015
Mobile air classifier BY CARL EMIGH M any aggregate and sand producers own multiple quarries A portable air classifier eliminates the cost of owning and maintaining multiple stationary air classifiers For major paving projects it is more economical to move the air classifier to a quarry closer to the jobsite or onto the jobsite than to haul the dedusted manufactured sand So says Joe Muscolino senior product manager for Sturtevant Inc based in Hanover Mass Muscolino says there has not been a mobile air classifier that can go from transport to production without delay from special lifting equipment People have been asking us for years to design a portable plant to solve this serious problem Muscolino says He says Sturtevants answer to the problem is its Whirlwind air classifier and conveyor which is the only selfcontained 100 percent mobile air classifying plant with integral collapsible conveyors The plant allows for parking and processing in one hour or less According to Sturtevant the Whirlwind hydraulically unfolds for setup and folds away for the breakdown and transport without cranes boom trucks front end loaders or special crews needed It can be done with the push of a button Dual hydraulic cylinders provide smooth steady raising and lowering of the Whirlwind air classifier and its collapsible feed and dual discharge conveyors The plant is mounted on a rugged chassis frame with tri axle suspension for stable travel on highways or back roads The plant is designed and constructed for vibration free operation and long service life with low maintenance The compact design features a low transport height 13 ft 5 in short trailer transport length 61 ft 9 in and trim transport width 12 ft 7 in for easy maneuvering on the road Driven by customer demand this portable air classifier was designed for quick setup Entirely portable air classifiers allow for parking and processing in about an hour 46 PIT QUARRY November 2015 www pitandquarry com
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