A processing plant for plastic material, in particular for processing thermoplastic material for the recycling thereof, comprising - a feed device, - a processing unit having a comminuting device, a preferably spirally designed conveying device, a tubularly designed housing, and having at least one drive means for the comminuting device and the conveying device, - wherein the comminuting device and the conveying device adjoining the comminuting device in the direction of conveyance in the axial direction are accommodated as well as rotatably mounted in the tubular housing, - and wherein the conveying device defines a first conveying section having a first longitudinal axis, - and wherein the housing comprises, in the region of the comminuting device, at least one feed opening open towards the feed device and, in an end region of the conveying section of the conveying device, a discharge opening, - a plasticizing device having at least one extruder screw accommodated in an extruder housing and a further drive means for the at least one extruder screw, and the at least one extruder screw defines a further longitudinal axis and a further conveying section, - wherein, as viewed in the direction of conveyance, the plasticizing device is arranged downstream of the processing unit, - and wherein a fill opening is arranged in the extruder housing, and the fill opening and the discharge opening arranged in the housing are arranged so as to directly adjoin one another, form a common connecting opening and are fluidically connected to one another, - and wherein, with respect to a projection onto a horizontal plane, the first conveying section of the conveying device, with its first longitudinal axis, and the further conveying section of the at least one extruder screw, with its further longitudinal axis, are oriented such that they intersect in the region of the discharge opening and the fill opening, characterized in - that the preferably spirally designed conveying device, in the region of the discharge opening from the housing, comprises a direction of circulation which, with respect to the direction of conveyance of the at least one extruder screw, runs in the direction opposite thereto. - a feed device, - a processing unit having a comminuting device, a preferably spirally designed conveying device, a tubularly designed housing, and having at least one drive means for the comminuting device and the conveying device, - wherein the comminuting device and the conveying device adjoining the comminuting device in the direction of conveyance in the axial direction are accommodated as well as rotatably mounted in the tubular housing, - and wherein the conveying device defines a first conveying section having a first longitudinal axis, - and wherein the housing comprises, in the region of the comminuting device, at least one feed opening open towards the feed device and, in an end region of the conveying section of the conveying device, a discharge opening, - a plasticizing device having at least one extruder screw accommodated in an extruder housing and a further drive means for the at least one extruder screw, and the at least one extruder screw defines a further longitudinal axis and a further conveying section, - wherein, as viewed in the direction of conveyance, the plasticizing device is arranged downstream of the processing unit, - and wherein a fill opening is arranged in the extruder housing, and the fill opening and the discharge opening arranged in the housing are arranged so as to directly adjoin one another, form a common connecting opening and are fluidically connected to one another, - and wherein, with respect to a projection onto a horizontal plane, the first conveying section of the conveying device, with its first longitudinal axis, and the further conveying section of the at least one extruder screw, with its further longitudinal axis, are oriented such that they intersect in the region of the discharge opening and the fill opening, characterized in - that the preferably spirally designed conveying device, in the region of the discharge opening from the housing, comprises a direction of circulation which, with respect to the direction of conveyance of the at least one extruder screw, runs in the direction opposite thereto.