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  New Products from Kason - "Twin Kascade" Internal Recycle

Internal recycle decks increase classification rates 60-80%

A new "Twin Kascade" Internal Recycle model of double-deck VIBROSCREENŽ vibratory screener increases the capacity of circular vibratory screeners employed to scalp and dedust bulk material, or otherwise classify materials into three fractions, by 60-80 percent.

The new design differs from conventional two-deck units in that both conventional screening decks are equipped with upper "Kascade" Internal Recycle screens having equal mesh and a 360° annular gap at their periphery.

Maximum capacity is achieved by feeding the uppermost Kascade deck with significantly more material than it can screen efficiently. On-size and undersize material falling through the top Kascade screen bypass the conventional screen through a central chute for subsequent fine-mesh screening. The balance of oversize, on-size and undersize material spills over the Kascade screen's periphery onto the conventional screening deck, where all oversize material ejects through a spout at the screen's periphery, and the balance of on-size and undersize material passes through the screen for subsequent classification below.

Similarly, the finer mesh bottom screening deck is equipped with a Kascade Internal Recycle screen of identical mesh. A portion of undersize material passing through this Kascade screen falls through a central bypass chute to a bottom discharge chamber. The balance of on-size and undersize material spills over the Kascade screen's periphery onto the conventional screening deck that ejects all on-size material through a discharge spout at the screen's periphery, and passes the balance of undersize material (typically dust) into the common discharge chamber for ejection through a spout at the chamber's periphery.

Kascade Series screeners are specified as new for applications where space is restricted since diameters are
significantly smaller than those of conventional screeners having equivalent capacity, or as on-site retrofit kits to increase the capacity and efficiency (minimized "carry-over" and ejection of on-size material) of existing screeners at substantially lower cost than purchasing new equipment.

Kascade Series screeners are offered in diameters from 40 to 100 inches (1025 to 2550mm) to scalp, dedust and/or classify up to 100 U.S. tons (91 metric tons) of free-flowing bulk material per hour.

All models are available to industrial, food, dairy and pharmaceutical standards, and can be disassembled rapidly for thorough wash-down.

A range of accessories is available including anti-blinding devices, and an automatic long-term lubrication system for gyratory motor bearings.


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