Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means
Patent
1994-03-30
1996-06-04
Bollinger, David H.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Separating means
209212, 209222, 209225, 209231, 209930, B07C 5344
Patent
active
055225136
ABSTRACT:
An apparatus for separating non-ferrous metal particles from residue composed of rubber, dirt, wood, plastic, glass, an the like, as well as the non-ferrous metal particles. The residue is transported by a conveyor belt over a pair of rotating magnetic separating discs which generate a magnetic field flux upward. This magnetic field flux induces an eddy current in the non-ferrous metal particles. The eddy current is a repulsive force to the magnetic field flux, which enables the non-ferrous metal particles to be levitated above the conveyor belt and the other residue material. The rotation of the field accelerates the particles off the side of the conveyor belt, into discharge chutes which collect the separated particles for recycling. The other residue material is collected at the end of the conveyor belt.
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