B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
B03B 4/00 (2006.01) B07B 4/08 (2006.01) B07B 9/00 (2006.01) B07B 11/04 (2006.01) B07B 11/06 (2006.01) D21B 1/02 (2006.01)
Patent
CA 2192629
A fan draws air out of a cyclone and through an open-bottomed separation chamber at approximately seven hundred to eight hundred feet per minute. Shredded plastic bottles or other mixed particulate material is metered into the separation chamber and is evenly distributed by a grid of closely spaced narrow bars which extends into the separation chamber. The bars are cantilevered into the separation chamber and are caused to vibrate by an oscillatory mounting. The shredded material may be fed by an ordinary chute without an air lock onto the deck of the grid of bars. Air moving rapidly between the bars lifts and separates the various constituents of the shredded bottles. The denser particles fall down through the bars and are recovered as the heavy recyclable fraction. The lightweight particles including paper are drawn up through the separation chamber and into the cyclone. Dense material such as trash or other inadvertently added substances which are too large to pass through the bars is oscillated along the inclined bars to an exit chute.
Beloit Technologies Inc.
Ridout & Maybee Llp
LandOfFree
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