Separator for scrapped aerated plates

The utility model provides a scrapped aerated plate separator which comprises a conveying part, a first-stage crushing assembly, a second-stage crushing assembly, a second-stage crushing assembly and a third-stage crushing assembly. The secondary crushing assembly is arranged at the output end of the primary crushing assembly; the second-stage crushing assembly comprises a movable plate, a first-stage crushing assembly and a second-stage crushing assembly, wherein the movable plate is arranged on the support in a sliding mode; the hammering crushing part is arranged below the end, close to the first-stage crushing assembly, of the moving plate; the reinforcing steel bar cleaning part for secondarily cleaning residual concrete on the surface of the reinforcing steel bar is arranged behind the hammering and crushing part; after primary crushing of the first-stage crushing assembly, meshes of residual aerated concrete are conveyed to the second-stage crushing assembly, and through knocking of the hammering crush