Grinding plant

Details Grinding plant Grinding plant

1974-04-08

1976-03-09

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

With automatic control

241 80, B02C 2500

Patent

active

039427277

ABSTRACT:
A grinding plant for autogenous or semi-autogenous grinding of ores in particular, in separate mills in two steps. The second step uses material from the first step, which is provided with two outlets. The first outlet has holes for discharging relatively finely ground material to be further ground in the second step, and the second outlet has holes for discharging material containing relatively coarse pieces forming grinding media in the second step. A device is provided between the stages to control the flow of coarser material to the second step. Connected to the discharge side of the second step, which is provided with outlet holes as large as the holes for fine material in the first step, there is a means to separate material removed from the second step into a finely ground portion, which is led away, and a portion returned to the first and second steps in proportions adjustable by said means.

REFERENCES:
patent: 2398989 (1946-04-01), Agthe
patent: 2965316 (1960-12-01), Henderson et al.
patent: 2980347 (1961-04-01), Claes
patent: 3078050 (1963-02-01), Hardinge

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