Many newly operated frac sand plants struggle in the early phases of production to provide washed sand with an optimal moisture content to feed into the dryer. Sand that is too moist creates a production bottleneck in most dryers, which limits production unless the moisture is allowed to adequately decant from the washed sand prior to feeding the dryer. IAC recognized this challenge and set out to improve on existing sand dryer designs. Using proven technology from the U.S. hot-mix asphalt industry and European designs, IAC patented a state-of-the art, single flow, Dual Feed rotary dryer; which greatly reduces the complexity of controls found in fluid bed or counter-current rotary dryer designs.
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