Slit dredging treatment device

The invention discloses a slit dredging treatment device which comprises a base, wherein the base is provided with a hopper, a roller, an extrusion box, a conveying frame and a drying box; a blankingpipe distributed obliquely is arranged below the hopper; the tail end of the blanking pipe extends into the roller; a sundry outlet is formed at the other end of the roller; a connected sundry box isarranged below the sundry outlet; a screen is arranged at the circumference of the roller; a collection port corresponding to the screen is formed below the roller; the lower side of the collection port is butted against the extrusion box; a water outlet and a slit lump outlet are formed in the extrusion box; the conveying frame is located below the slit lump outlet; and the conveying frame penetrates through the drying box. The slit dredging treatment device is simple and reasonable in structure; excavated silt is filtered, extruded and dried; moisture and impurities are removed simultaneously; and the technical probl