Solid material comminution or disintegration – Processes – Subjecting material to impact by moving comminuting surface
Patent
1975-10-28
1977-03-01
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Processes
Subjecting material to impact by moving comminuting surface
241 74, 241187, 241189R, B02C 1306
Patent
active
040098346
ABSTRACT:
A method of operating a rotor-equipped breaker/crusher for coal and other material in which the drum is rotated at close to critical speed, and in which lifter shelves in the drum are adjusted for dropping material into the path of the rotor at a point where the rotor not only fragments the material, but also emphasizes the flinging of the material against the downwardly moving perforated wall of the drum. Methods of this character enable a relatively small breaker/crusher to effectively duplicate the performance of much larger existing units, while successfully controlling the production of fines.
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Graf Carl R.
Hahn William F.
Hart George H.
Custer, Jr. Granville Y.
Goldberg Howard N.
Pennsylvania Crusher Corporation
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