GRAIN MIXTURE SEPARATING APPARATUS Russian patent published in 2003 - IPC

FIELD: mechanical engineering, agricultural production, flour milling and food-concentrates industry. SUBSTANCE: apparatus has closed aspiration systems with cross-flow fan located outside settling chambers and having suction window communicated with settling chambers through connecting pipeline and expansion chamber and pressure window communicated with air supply channels of aspiration system, with feeding and discharge device. Sieve is positioned under aspiration systems. Second aspiration air feeding channel is equipped with baffle-type wall and positioned under sieve, which is arranged in chamber communicated through suction branch pipe with first aspiration settling chamber. EFFECT: increased efficiency in sorting and cleaning of grain material and reduced power consumption for pneumatic separation process. 1 dwg