Pulverizing and classifying mill

Details Pulverizing and classifying mill Pulverizing and classifying mill

1980-10-25

1984-01-31

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 73, 241 80, 241154, 241188R, B02C 13284, B02C 13286, B02C 2312

Patent

active

044285361

ABSTRACT:
A classifier mill having first and second series of beaters (1, 2) on respective sides (3, 4) of the periphery (5) of a rotary pulverizer disc (6) within a chamber (7), an independently rotary classifier (8) coaxial therewith and radially inwards of the second series of beaters (2), an entry (9) for material into the chamber (7) at a position intermediate the pulverizer axis and the first series of beaters (1), and an exit (10) for fines coaxial with the classifier (8) and remote from the pulverizer (6), is further provided within the chamber (7) with an annular wall (18) extending radially outwards from clear of the periphery (19) of the classifier (8) to beyond the periphery (5) of the second series of beaters (2), and with a cylindrical wall (20) extending from the annular wall (18) past the peripheries of both series of beaters (1, 2), the cylindrical wall (20) being provided with a series of circumferentially spaced openings (21) disposed radially outwards with respect to only the first series of beaters (1), which openings (21) may be provided with screens (22).

REFERENCES:
patent: 2546860 (1951-03-01), Klagsbrunn
patent: 3490704 (1970-01-01), Bourne et al.

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