Ring Dryers

Ring Dryers are a group of proprietary pneumatic type systems which are essentially a modified flash dryer with the addition of a manifold to provide selective recirculation of semi-dry material, lowering exhaust temperatures, increasing efficiency and improving product quality.

The presence of the "manifold" or "internal classifier" in the Ring drying systems are what differentiates them from the Flash dryer. The manifolds use the centrifugal forces created through passing a product containing air-stream around a curve to concentrate the product into a moving layer. Adjustable splitter blades are used to cut this layer and return the heavier, semi-dried materials back to the dryer for another pass through the system while the lighter, drier products exit the dryers and proceed to the product collection systems. 

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