| 摘要 |
<p>An apparatus (1) for recycling bituminous roofing waste comprises a screw conveyor system (2) which is provided with: a conveying space (4) for accommodating a bituminous mass; a screw conveyor (3) with a screw boss (31) and a screw blade (32) linking up with the screw boss for propelling the mass in a conveying direction (T); a pressure section (41); a sieve (18) provided with sieve openings (20) for sieving the mass in the pressure section, wherein a fine fraction of the mass is discharged from the conveying space via the sieve openings while leaving a coarse fraction of the mass behind in the conveying space; and a discharge (9) for discharging the coarse fraction from the conveying space. In the conveying direction, an increase of the diameter of the screw boss occurs.</p> |
