Annular gap-type mill

Details Annular gap-type mill Annular gap-type mill

1986-10-14

1988-04-05

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With automatic control

241 37, 241 46B, 241 4617, 241172, 241180, B02C 1716

Patent

active

047353660

ABSTRACT:
An annular gap-type mill for continuously pulverizing in particular hard mineral substances comprises a grinding container (15) which accommodates an axially symmetrical inner body (13) whose outer surface defines with the inner surface of the grinding container (15) a grindimg gap (23). It is essential that the upper and lower region of the inner body (13) are tapered in opposite directions and adjoined to a common equatorial zone (24) of maxi diameter and that the outer surface of at least one of the regions is curved convexly. The grinding container (15) and/or the inner body (13) may be driven rotatingly. The annular gap-type mill is suited for wet and dry grinding and its quantitative and qualitative output is high.

REFERENCES:
patent: 2738172 (1956-03-01), Spiess et al.
patent: 3199792 (1965-08-01), Norris, Jr.
patent: 4225092 (1980-09-01), Matter et al.
patent: 4304362 (1981-12-01), Buhler

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