B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 19/00 (2006.01) B02C 13/14 (2006.01) B02C 13/286 (2006.01) B02C 13/288 (2006.01)
Patent
CA 2075919
24 ABSTRACT OF THE DISCLOSURE A low energy input comminuting device for continuously breaking-up charge bodies or portions of frangible or brittle material to free their value content as well as to reduce it to a desired size employs an upright enclosure or container into which charge bodies are fed in such a manner as to minimize in- air flow and to provide a steady stream of the bodies into the upper end of a centrally positioned downflow feed duct from which a series or group of horizontally, radially outwardly extending and vertically spaced-apart discs of a rotating assembly are suspended to define a central chamber selection passageway that is open at its upper end to the lower end of the duct, and at its bottom end through a grating to a motor drive compartment into which a fluid and preferably a cooling fluid such as air is being introduced under positive pressure. The bodies are selectively, in their downward movement into and along the central passageway, introduced selectively into vertically spaced and radially extending side chambers defined by the discs of the assembly on the basis of their respective weights, with the lighter weight and usually smaller bodies being first introduced and those of greater weight being the last, all in a progressive manner as the bodies are fed downwardly from the duct into and along the passageway. On being introduced into radial chambers defined between the discs of the rotating assembly, the bodies are subjected to implosion and then flung radially outwardly from within the chambers against outwardly offset abutment portions within the central chamber selection passageway portion of the enclosure and moved upwardly as finally broken up particles or particulates along the inside of the container into an upper particle classifying chamber that is disposed between its outer walls and the centrally disposed feed duct.
Reichner Thomas W.
Riches Mckenzie & Herbert Llp
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