FIELD: concentration of mineral resources, applicable in processing of sands with fine gold on dredges and jigs. SUBSTANCE: line has successively installed and interconnected by hauling units a device for disintegration and sizing with a stacker, jigging machines for main and cleaner-cell operations, concentrators for main and cleaner-cell operations. Besides, the line is furnished with a sizing screen with a stacker and at least with one centrifugal apparatus installed in succession between the jigging machine for main operation and concentrator for main operation; the sizing screen is connected to tailings outlet of the jigging machine for the main operation, and the centrifugal apparatus concentrate outlet is connected to the concentrator for the main operation. EFFECT: enhanced extraction due to reduction of loss of fine gold with preservation of quality of concentration. 1 dwg
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