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New Products / Dryers & Evaporators / Witte Company, Inc.

Salt Drying System Recycles Heated Air, Recovers Fine Particles to Save Energy

February 10, 2011
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New salt drying system features an integral baghouse collector set atop a vibrating fluid bed dryer to capture up to 100 percent of fine salt particles entrained in the airstream. Returning the fines to the process for recovery as finished product, the bulk salt drying system eliminates the product waste required in systems using cyclones to exhaust process air along with their need for dust collection, conveying, drum handling and other downstream equipment. Costs for product loss, waste disposal, equipment maintenance and downtime are eliminated. Further, by placing the reverse pulse jet baghouse collector directly over the fluid bed, the energy-efficient bulk salt dryer system also permits 50 percent of the hot exhaust air to be captured and recycled to reduce energy requirements while cutting the volume of air exhausted by 50 percent, addressing a key factor in quickly securing permits from the EPA.

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