METHOD FOR GRINDING HIGH-STRENGTH ROCK Russian patent published in 2002 - IPC

Abstract RU 2183994 C2

FIELD: mining industry. SUBSTANCE: method involves two or more grinding stages; screening ground products on screens and returning oversized material for additional grinding in closed cycle combined with screening; obtaining grains of isometric shape approximating cubic shape by granulating small-sized fractions of crushed stone (from 3 mm to 20 mm) produced at stages preceding fine grinding stage in fine grinder in layer of oversized material. EFFECT: increased efficiency of multiple stage grinding process. 3 cl, 3 dwg

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RU 2 183 994 C2

Authors

Dubov V.A.

Solodkov N.V.

Dates

2002-06-27—Published

2000-05-06—Filed