Solid material comminution or disintegration – Processes – With classifying or separating of material
Patent
1979-02-15
1980-09-30
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
With classifying or separating of material
241 30, 241 34, 241 79, 2411863, B02C 2500
Patent
active
042250919
ABSTRACT:
A method of operating a milling installation to regulate the fineness of the milled product, in which the milled product emerges from the output side of a mill, e.g. a ball-type tube mill, and material to be milled is introduced at the opposite side of the mill. According to the invention, the mass output rate dm/dt or m of the product is continuously or discontinuously measured and this measurement is used to control the rate of mass output at the output side of the mill so that the output rate is held substantially constant. The invention is applicable to a through-flow (continuous open-circuit) mill in which a fresh starting material is continuously introduced into the mill and to the circulating system (continuous closed-circuit mill) in which the output of the mill is delivered to a classifier which separates the fine product from a coarse component which is recycled to the mill.
REFERENCES:
patent: 3784115 (1974-01-01), Krijger et al.
patent: 3942727 (1976-03-01), Fahlstrom et al.
Babcock Krauss-Maffei Industrieanlagen GmbH
Rosenbaum Mark
Ross Karl F.
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