B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/23
B02C 13/09 (2006.01) B02C 23/10 (2006.01)
Patent
CA 1223851
ABSTRACT A device for breaking coal and for separating predetermined size coal particles and impurities there- from. A supply of coal containing rock, shale and other impurities is dumped in a hopper through a top opening. A zigzag-shaped passageway extends from the top to the bottom of the hopper and has a single double action accel- erator rotor or a pair of accelerator rotors mounted there- in. The rotors increase the speed of the deposited ma- terials that are moving by gravity through the passageway by striking the material and propelling it in the same direction that it was moving prior to being struck. The coal is split upon impact against splitting grates. Chutes located beneath the splitting grates receive the coal particles which pass through sized openings formed in the grates and deposit it in a collection area. The rotors each include a shaft with a plurality of radially outwardly extending blades. The materials move along inclined feed grates which extend downwardly inwardly in the passageway and which are tangent to the periphery of the rotating rotor blades which enable the coal to be accelerated with- out a change in direction. Oversized coal particles and impurities will drop onto a vibrating grate at the bottom of the hopper which provides a final separation for the correctly sized coal particles before discharging the re- maining impurities onto a refuse pile.
458712
Borden Ladner Gervais Llp
Quadracast Inc.
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