The utility model provides a silt machine, relate to silt machine technical field, it includes frame (1), the powder soil box body (2), agitating unit and screen cloth (8), be equipped with the feed inlet on the powder soil box body (2) respectively, discharge gate and a pair of main shaft clearing hole, the powder soil box body (2) is installed in frame (1), agitating unit includes main shaft (3), a set of carousel (4), multiunit connecting axle (5), multiunit axle sleeve (6) and multiunit silt piece (7), the both ends of main shaft (3) are respectively through a pair of main shaft clearing hole department of bearing frame movable mounting on the powder soil box body (2), equidistant fixed mounting is on axle (3) for a set of carousel (4) difference, the utility model has the advantages of reasonable design, the silt is efficient, and safe and reliable has fine market spreading value.