Abstract: An apparatus for cleaning a conveyor belt comprises a suction hopper and a carry-back removing device. The suction hopper comprises a tapering hollow body having a wider upper end and a narrower lower end. The upper end comprises a lip surrounding an upwardly facing carry-back inlet. A carry-back outlet in is the vicinity of the lower end and is communicable with a suction device. A front facing air inlet slot is in a front side of the hopper body at the upper end and is fluidly coupled to the carry-back inlet. The carry-back removing device is mounted in the suction hopper inlet and comprises at least one contact member extending upwardly out of the carry-back inlet.