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A vibratory screener that discharges oversize particles 360deg around the periphery of a circular screening deck is being offered by Kason.

The screener increases capacity, improves efficiency, minimises screen blinding and prolongs screen life, according to the company.

The 1,524mm-diameter Vibroscreen model with External Kascade deck is intended for screening of wet- or dry-bulk materials containing a large percentage of oversize fractions.

As material is fed onto the centre 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 360deg around the screen periphery, instead of through a 15 to 25deg opening created by a conventional discharge spout, eliminates a discharge capacity restriction associated with overs building up around the screen circumference,’ said Henry Alamzad, president, Kason.

The screening deck is offered on any of the company Vibroscreen separators ranging from 1,016 to 1,829mm in diameter and is available as a retrofit kit for any make of circular vibratory screener.

A range of accessories is available, including clean-in-place spray heads, anti-blinding devices, articulated lids for rapid screen changes and an automatic long-term lubrication system for gyratory motor bearings.

The company also manufactures numerous types and sizes of circular vibratory screeners and centrifugal screeners for separating virtually any solid from any solid or slurry, as well as static sieves and circular fluid-bed dryers, coolers and moisturisers.

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