PRODUCTION LINE FOR CONCENTRATION OF LOOSE GOLD-DIAMOND CONTAINING ROCKS Russian patent published in 2001 - IPC

FIELD: concentration of minerals, particularly, loose rocks of placer deposits, crusts of weathering, conglomerates, technogenic and other deposits containing free gold and diamonds. SUBSTANCE: production line includes loading device; disintegrating cylinder screen with three sieves; vibration concentrators for withdrawal of gold nuggets, diamond crystals, obtaining concentrates with fine diamonds of minus 1 mm - plus 1 mm, reduction of concentrates of jigging machines; unbalanced-throw three-sieve screen for screening of undersize product; jigging machines for fine intercylinder screen product and for use for one of three fractions produced on unbalanced-throw screen; device for direction of the fourth fraction sizing minus 1 mm to one or two branches of main and control centrifugal separators; device for dewatering and removal of sludges sizing minus 1 mm. Claimed invention allows to withdraw efficiently of gold into concentrates beginning from grains of micron sizes to nuggets, and diamonds sizing from 0.1 mm to large crystals by ecologically clean method. EFFECT: ecologically clean method. 1 dwg