VISCOUS MATERIAL DEHYDRATION APPARATUS Russian patent published in 1997 - IPC

FIELD: agriculture, in particular, reprocessing of bird dung. SUBSTANCE: dehydration apparatus has dosers, mixer, screen, heat generator, cyclone, exhaust ventilator and zeolite return line. Cyclone, swirling chamber with feeder-thrower and evaporator formed as screw conveyor are positioned between heat generator and exhaust ventilator. Vacuum pump is connected to evaporator. Heat generator has burner and cylindrical slit-type damper. Exhaust ventilator directs 60% of gas into nozzle-type absorber, remaining gas is directed through recirculation pipeline in equal portions to burner and to damper. Evaporator has variable-speed drive and lifting spades. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 cl, 4 dwg, 1 tbl