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

FIELD: mineral prospecting, particularly, testing of loose rocks including placers. SUBSTANCE: production line includes loading device; impeller disintegrator; three-sieve revolving screen with internal perforation of 16 mm and more, medium perforation of 8 mm, external perforation of 3 mm; and device for receiving, separation and direction of flows of undersize -3 mm fraction and interdrum -8+3 mm fraction made for separation of upper product sizing 0.1 mm by means of shutoff devices and direction to main and control centrifugal separators for gold trapping; single-pan concentrator for recovery from interdrum product sizing +8-16 mm of noble metal nuggets and large diamond crystals; two parallel pans of vibration concentrator for recovery from lower product sizing -8+0.1 mm of noble metals and diamonds; finishing and control centrifugal separators for additional trapping of gold and minerals of platinum group. EFFECT: higher recovery of noble metals and diamonds. 1 dwg