Abstract: A gravel circulation dry electrostatic precipitator includes: a drying unit (S1) which conveys and uniformly mixes, heats, and dries recycled aggregates, containing a large amount of moisture, among the materials of asphalt-concrete; a first dust collection and purification unit (S2); a second dust collection and purification unit (S3) in which fine dust, remaining after the odor-inducing substances, harmful gases, and dust that have passed through the first dust collection and purification unit (S2) are filtered by a filter, is discharged to the outside by a screw (S) provided at the lower end of a hopper, and a discharge unit (S4) which uses a turbo fan (F) to forcibly suction fresh air that has passed through the second dust collection and purification unit (S3), thereby discharging same via an outlet (400).