AEROCOOLER FOR POLYDISPERSING MATERIALS Russian patent published in 1996 - IPC

FIELD: cooling and classification of mineral fertilizers, sands, concentrates, etc; classification of granular materials in grain size. SUBSTANCE: aerocooler-classifier has housing made of set of vertical separating gas columns, distributing grate on the ends of which charging and discharging branch pipes, branch pipes for air supply and removal of dust-air mixture are mounted. Eddy pipes are fastened with their cold ends to above grate space of internal part of the housing. Operational columns are equipped with ring-shaped members and dissectors. Bars hang on rocker arms connected with vibrating drives. In operation, ring-shaped members are periodically shaken up and purified from adhering material. As cooling agent supplied to the apparatus only air is used. EFFECT: enhanced efficiency. 2 cl, 6 dwg