FIELD: mining industry; applicable in concentration of minerals during their transportation and loading. SUBSTANCE: method includes crushing of muck; separation of coal and rock on roll classifier with teeth installed at an angle opposite to direction of roll rotation; and removal of rock due to inclination of axis of crusher roll; transportation of coal and unloading of rock; coal classification and withdrawal of dirty class. EFFECT: reduced power consumption in process and higher efficiency of rock separation. 2 cl, 4 dwg
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Authors
Dates
2001-01-10—Published
1998-11-06—Filed