Efficient screening device for supplied aluminum ash

The utility model discloses an aluminum ash incoming material efficient screening device which comprises a box and an elevator, a screening box is communicated with the elevator through a feeding pipe, and a discharging pipe is arranged at the bottom of the screening box. A primary screening layer, a secondary screening layer and a storage layer are sequentially arranged in the screening box from top to bottom; a vibration unit is arranged in the primary screening layer, a primary screening unit is arranged below the primary screening layer, and a rolling unit is arranged on the primary screening unit; and a screening plate and a raking unit are arranged in the second screening layer. According to the screening box, the primary screening layer and the secondary screening layer are arranged, vibration screening is conducted through the vibration unit, the primary screening unit and the rolling unit, then secondary screening is conducted through the raking unit and the screening plate, and the screening efficie