VIBRATING CONCENTRATOR Russian patent published in 1999 - IPC

FIELD: concentration of minerals; extraction of gold from mineral mixtures. SUBSTANCE: vibrating concentrator has chute with entrainment coat before which screen is located. Screen is engageable with loading device. Chute with entrainment coat is additionally mounted under screen. Vibrator impacts harmonic oscillations to working surface of chutes. Riffles are also provided. ratio of length of chutes to their width ranges from 0.2 to 4 and adjustable angle of longitudinal inclination ranges from 0.5 to 9 deg. EFFECT: optimization of technological modes of separation of mineral grains; increased extraction of gold fines by 10 to 15%. 2 cl, 2 dwg