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Ingredient Screening Upgrade Boosts Pet Food Production, Cuts Labor, Improves Quality
A customer purchased a mobile, circular vibratory, bag dump screener from Kason Corp. that discharges into the feed hopper of a flexible screw conveyor. The screener is a VIBROSCREEN Low-Profile FLO-THRU model with a single-deck 30 in. (762 mm) diameter screen and built-in dust collector. A worker now dumps a full bag of dry ingredients onto the screen that reduces physical effort, while the dust-containment system improves safety and plant hygiene. The screener employs two imbalanced-weight gyratory motors, mounted externally on opposite sides of the screener, to impart multi-plane inertial vibration that maximizes the rate at which particles pass through or across the screen surface. Material clumps and foreign material discharge through an "overs" discharge spout at the screen's periphery, while on-size particles (≤5.66 mm) gravity discharge at a rate of 50 lb/min (23 kg/min) into a flexible screw conveyor that is 6 in. (152.4 mm) in diameter, 6 ft (1.8 m) long and inclined at 45-degrees. Screened material is conveyed into mobile bins that are wheeled to the "processing" side of the plant for blending with proteins and cooking.