PLANT FOR RECOVERY OF NOBLE METALS FROM LOOSE ROCKS Russian patent published in 1999 - IPC

FIELD: mineral concentration, particularly, devices for recovery of noble metals, their solid solutions and intermetallic compounds from loose rocks. SUBSTANCE: plant includes loading device, device for disintegration and screening, separators and pumping unit, scrubbers with supplying and retarding members arranged at different angles and unloading device, two-sieve cylinder screen whose external and internal perforations carrying retarding members and rings with regulated discharge holes, centrifugal separators, vibration concentrator for trapping native metals, device for dewatering and transportation of tailings of vibration concentrators and swing chute. Scrubber and two-sieve cylinder screen are rotated by one drive. EFFECT: higher efficiency. 2 dwg