A comminuting device for solids-conducting liquids comprising - a housing with an inlet opening, an outlet opening and a housing interior which extends from the inlet opening to the outlet opening, - a first comminuting shaft which extends through the housing interior and which is arranged so as to rotate about a first comminuting axis and to which a plurality of first comminuting cutting elements spaced apart axially along the first comminuting axis is fastened, - a second comminuting shaft which extends through the housing interior and which is arranged so as to rotate about a second comminuting axis and to which a plurality of second comminuting cutting elements spaced apart axially along the second comminuting axis is fastened, - a drive device for driving the first and second comminuting cutting shaft in a rotational movement, - a first screening device having a first screening wall exhibiting a plurality of slots which is arranged in the housing interior adjacent to the first comminuting shaft, and a first clearing device with a plurality of clearing elements which can be moved relative to the screening wall along a movement path and which extend through the plurality of slots starting from a first clearing shaft arranged on one side of the first filter wall in at least one portion of the movement path, - characterized in that the clearing elements comprise a plurality of curved clearing fingers and in that the curvature of the clearing fingers forms a convex front side and a rear side of each clearing finger, wherein the front side runs ahead of the rear side in relation to the movement direction of the clearing elements. - a housing with an inlet opening, an outlet opening and a housing interior which extends from the inlet opening to the outlet opening, - a first comminuting shaft which extends through the housing interior and which is arranged so as to rotate about a first comminuting axis and to which a plurality of first comminuting cutting elements spaced apart axially along the first comminuting axis is fastened, - a second comminuting shaft which extends through the housing interior and which is arranged so as to rotate about a second comminuting axis and to which a plurality of second comminuting cutting elements spaced apart axially along the second comminuting axis is fastened, - a drive device for driving the first and second comminuting cutting shaft in a rotational movement, - a first screening device having a first screening wall exhibiting a plurality of slots which is arranged in the housing interior adjacent to the first comminuting shaft, and a first clearing device with a plurality of clearing elements which can be moved relative to the screening wall along a movement path and which extend through the plurality of slots starting from a first clearing shaft arranged on one side of the first filter wall in at least one portion of the movement path, - characterized in that the clearing elements comprise a plurality of curved clearing fingers and in that the curvature of the clearing fingers forms a convex front side and a rear side of each clearing finger, wherein the front side runs ahead of the rear side in relation to the movement direction of the clearing elements.