COMBINED DRIER FOR DRYING MATERIALS SUSCEPTIBLE TO LUMPINESS Russian patent published in 1998 - IPC

FIELD: drying pasty and loose materials susceptible to lumpiness. SUBSTANCE: drier includes working shaft, gas suspension discharge branch pipe, spreader, gas distributing nozzles, gas permeable grate, layer of inert fill, chute, sector feeder and two pressure chambers. Innovation of invention consists in additional gas permeable grate mounted in lower shear of working shaft. Gas permeable grate is coated with layer of inert fill. Chute fitted with sector feeder at outlet is cut into gas permeable grate. Starting material. spreader is made in form of disintegrating device. EFFECT: enhanced efficiency. 1 dwg