Screener Discharges Oversize Particles 360 Degrees

A new vibratory screener that discharges oversize particles 360° around the periphery of a circular screening deck increases capacity, improves efficiency, minimizes screen blinding and prolongs screen life, according to Henry Alamzad, president, Kason Corp.

The screener, a 60 in. (1524 mm) diameter Vibroscreen model with "External Kascade" deck, is intended for screening of wet or dry bulk materials containing a large percentage of oversize fractions, at higher rates than attainable with conventional screeners.

As material is fed onto the center of the screening deck, on-size particles pass through the screen and funnel through a lower discharge chute. Oversize particles flow outward in a spiral pattern, and cascade at any point over the periphery of the circular screen onto a spiral vibratory trough that directs the material into a high capacity discharge spout.

"Allowing oversize particles to cascade 360° around the screen's periphery, instead of through a 15° to 25° opening created by a conventional discharge spout, eliminates a discharge capacity restriction associated with overs building up around the screen circumference," explains Alamzad.

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