B - Operations – Transporting – 07 – C
Patent
B - Operations, Transporting
07
C
341/56
B07C 5/346 (2006.01) B07C 5/342 (2006.01) B07C 5/36 (2006.01) G01N 23/223 (2006.01)
Patent
CA 1242260
MULTISORTING METHOD AND APPARATUS ABSTRACT OF THE DISCLOSURE Apparatus for sorting pieces of non-ferrous scrap metal into a plurality of components, each component being a particular metal type, feeds the pieces into a vertically disposed sorting zone, The pieces fall down a steeply inclined guide member under the influence of gravity and they pass a pair of timing devices which are spaced apart along the guide member, each timing device being a light source on one side of the path of the pieces and a light detector on the other side. The timing devices provide signals representing not only timing but also size and velocity. The pieces then pass an x-ray analysis system including a source of high energy rays to induce x-ray fluorescence and a detector to detect this fluorescence. The detector provides signals indicating the metal type for each piece of scrap. The pieces then fall past a plurality of blast nozzles spaced apart along the guide member. Each nozzle has a control which turns on a flow of fluid such as air through the nozzle to deflect a particular piece into a specific deflection path. Each piece is thus directed into a deflection path for a specific component.
507506
Kelly Leonard
Kelly Moira F.
Lamb James A.
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