▎ 摘　　要

NOVELTY - Preparing organic fertilizer involves collecting chaff, sawdust, straw, straw leaves, manure and easy-burning and perishable waste, and placing in configuration groove for configuring raw material; adding raw material to mixing mechanism (9) by feeding groove (8) and transmission cover assembly (7) of organic fertilizer production device, adding zeolite powder to deodorize in stirring process; discharging mixed raw material in mixing box (93) through spiral roller (92), and entering cylinder component (51) to ferment; discharging tail gas generated by fermentation, entering in exhaust pipe through transmission cover assembly, and absorbing by filter screen layer, graphene layer and photocatalyst plate, filtering and degrading, discharging to environment; discharging organic matter generated by fermentation through discharge port (6) of electromagnetic valve. USE - Method for preparing organic fertilizer. DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of organic fertilizer production device. 6Discharge port 7Transmission cover assembly 8Feeding groove 9Mixing mechanism 51Cylinder component 92Spiral roller 93Mixing box