Screening apparatus

Details Screening apparatus Screening apparatus

B - Operations, Transporting

07

B

B07B 1/18 (2006.01) B07B 1/00 (2006.01) B07B 1/24 (2006.01)

Patent

CA 2170693

The invention is a screening apparatus for classifying material of different sizes. A screen is rotatably mounted on a frame for rotation around a first axis which is angled upwardly away from the horizontal, at an angle of from 0 to30 degrees. The screen is symmetrical about the axis and has an open upper inletend and a lower outlet end. The screen has a cylindrical portion extending from the inlet end towards the outlet end, having a diameter larger than its length, and a conical portion extending from the cylindrical portion towards the outlet end, tapering inwardly to a central outlet opening, the lowest point of the outlet opening being substantially higher than the lowest point of the screen. The frame is pivotally mounted on a trailer for pivoting about a longitudinal axis near a lower side edge of the trailer. The open inlet end of the screen faces one side of the trailer. A screened discharge conveyor and an oversize conveyor carried the screened and oversized material, respectively, away from the screen.

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