Global Processing

Dewatering-drying system helps reduce costs

March 16, 2009
Dewatering-drying system consists of a 30-inch-diameter circular vibratory screener that removes oversize and undersize particles and up to 50 gallons of water per minute, integrated with a 40-inch-diameter circular fluid bed dryer that dries up to 700 lbs. of on-size particles per hour. Screener''s vibratory action causes oversize particles to discharge through a spout at the upper screen''s periphery, on-size pellets to discharge through an extended spout at the lower screen''s periphery, and undersize fines and water passing through the lower screen to discharge through a third spout. Circular (versus rectangular) configuration of the fluid bed dryer consolidates system components, eliminates need for heavy-gauge walls and braces, has fewer weld seams, cuts cleaning time 50+%, allows downsizing of vibratory motors, requires only one air inlet and outlet, and reduces cost, especially when finished to 3-A, FDA, and BISSC standards.