Solid material comminution or disintegration – Processes – Selective or differential comminution of mixed or bonded solids
Patent
1974-12-23
1976-09-28
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Processes
Selective or differential comminution of mixed or bonded solids
241 24, 241 29, 241 76, 241 80, B02C 2312
Patent
active
039826996
ABSTRACT:
Method of producing cement or other material of given fineness and granular structure includes delivering material ground in individual chambers of a tube mill having two adjacent grinding chambers, delivering the ground material from each of the chambers to coarse-grain separator means associated with the chambers, separating a fines-free coarse-grain component in the coarse-grain separator means and returning the coarse-grain component to one of the adjacent chambers, feeding the fines component of the coarse-grain separator means to a fine-grain separator, separating a fine-grain component from a coarse-grain component in the fine-grain separator, withdrawing the fine-grain component from the fine-grain separator as end product, and returning the coarse-grain component of the fine-grain separator to the coarse-grain separator means; and plant for carrying out the foregoing method.
REFERENCES:
patent: 1748920 (1930-02-01), Newhouse
patent: 1784462 (1930-12-01), Miller et al.
patent: 1902413 (1933-03-01), Miller
patent: 1943817 (1934-01-01), Dunton
patent: 3323727 (1967-06-01), Heilman
patent: 3586248 (1971-06-01), Ruegg
patent: 3712549 (1973-01-01), Cleemann
Custer, Jr. Granville Y.
Lerner Herbert L.
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