HYDRAULIC CLASSIFIER Russian patent published in 2001 - IPC

FIELD: apparatuses for concentrating and separating materials in flow of hydraulic mixture, possibly in mining, building, chemical and other industry branches at processing minerals and production waste. SUBSTANCE: hydraulic classifier includes housing with branch pipes for introducing initial hydraulic mixture, for removing products with large particles and for discharging finely dispersed fraction of materials, vibration apparatus having vibration drive mounted on plate and perforated disc joined with said plate by means of central rod. Vibration drive is in the form of disbalance vibration exciter. Plate is mounted in housing by means of springs. Vibration apparatus is provided with upper perforated disc joined by means of three rods mutually spaced by 120 deg with arms of double-arm levers jointly secured to housing. Other arms of said levers are secured to plate. Perforated discs are mounted with possibility of vertical opposite-phase oscillation motion. EFFECT: improved operational reliability, simplified design of classifier. 2 cl, 2 dwg