NOVELTY - An organic waste processing system comprises feeding robot, roller-type breaking sieving machine, permanent magnetic separator, winnowing machine, pulverizer, steam ejection-type organic waste processor, roller-type dryer, cylindrical screen and organic fertilizer production device connected in sequence through conveyors. The organic waste processor includes pressure ejection device and gas-solid separator. The pressure ejection device includes steam pressure steel cylinder and steel cage. The steel cage includes sliding plates and support column provided with sliding guide ring.    USE - Organic waste processing system used for producing organic fertilizer.    ADVANTAGE - The system is convenient to operate; shortens composting time; has large waste processing capacity, high efficiency and strong operability; solves waste pollution and ecological problems; and achieves recycling and environmental protection.    DETAILED DESCRIPTION - An organic waste processing system comprises feeding robot, roller-type breaking sieving machine, permanent magnetic separator, winnowing machine, pulverizer, steam ejection-type organic waste processor, roller-type dryer, cylindrical screen and organic fertilizer production device connected in sequence through conveyors. The organic waste processor comprises frame, pressure ejection device, pressure ejection device controller, lifting material feeding channel, feeding and lifting device, discharge guide tube, and gas-solid separator. The pressure ejection device includes steam pressure steel cylinder, steel cage, feed screw cap, and ejection initiation cylinder. The steel cage is slidably mounted on steel cylinder and provided with feed inlet on upper end. The steel cylinder is provided with upper steam inlet. A piston rod is fixed on ejection initiation cylinder. The feed screw cap is arranged on feed inlet of steel cage. The steel cage includes upper sliding plate, lower sliding plate, and support column. The upper sliding plate has feed port with matching rotary cover. The inner wall of feed port is provided with uniformly distributed limiting teeth, and the rotary cover is provided with locking teeth. The middle part of support column is provided with sliding guide ring. Sealing ring is respectively provided on outer wall of upper and lower sliding plates.