HYDRODYNAMIC SEPARATOR FOR SEPARATION OF LIGHT FRACTION FROM STORAGE BATTERY SCRAP Russian patent published in 2002 - IPC

FIELD: devices for separation of polypropylene from waste lead-acid automotive tractor storage batteries at mechanized cropping and preparing for melting; concentration of ores; manufacture of building materials; processing of scrap and waste. SUBSTANCE: separator has housing, water supply branch pipe, raw material receiver light and heavy fraction unloading units, bladed agitator mounted inside sunken portion of raw material receiver, blades of agitator are flexible and their diameter exceeds diameter of raw material receiver; light fraction unloading unit is made in form of inner and outer side ports found in raw material receiver for reception of light fraction from housing and discharge of it from receiver; water supply branch pipe is oriented to inner port for shifting light fraction floating on surface towards this port. EFFECT: improved quality of propylene due to reduction of admixtures of heavy components. 3 cl, 2 dwg