Dust removal asphalt pavement milling material crushing and circulating screening device

The invention relates to a dedusting asphalt pavement milling material crushing and circulating screening device which is characterized in that the lower end of a first conveying belt is located below an outlet of a hopper, the upper end of the first conveying belt is located above a feeding port of a multi-stage vibrating screen, the multi-stage vibrating screen is provided with an outlet and a discharging port, and the outlet of the multi-stage vibrating screen is communicated with a feeding port of a crusher; a discharging port of the multi-stage vibrating screen is located above the third conveying belt, a discharging port of the crusher is located above the fourth conveying belt, the fourth conveying belt is located above the fifth conveying belt, and the fifth conveying belt is located above a feeding port of the multi-stage vibrating screen. According to the invention, screening operation is carried out before entering the crusher, so that the asphalt milling material with proper particle size is scree