Printing sheet powder scattering device

The invention relates to a device for scattering powders a printed sheet (1) in a printing press. The device comprises a nozzle row (2) and further comprises a distributor (5). The nozzle row is provided with an injection nozzle (3) arranged outside the nozzle row and an injection nozzle (4) arranged inside the nozzle row. The distributor comprises a first distributor outlet (6) and a second distributor outlet (7) for the powder-air mixture (8). The first distributor outlet (6) being connected to the external injection nozzle (3) by means of a first line (9), and the second distributor outlet(7) being connected to the internal injection nozzle (4) by means of a second line (10). The first distributor outlets (6) each have a smaller flow cross-section (A6) than the second distributor outlets (7). The external injection nozzles (3) each have a flow cross-section (A34) of the same size as the internal injection nozzle (4). 本发明涉及一种用于在印刷机中给印张(1)撒粉末的装置，其包括喷嘴列(2)并且此外包括分配器(5)，所述喷嘴列具有在该喷嘴列中外置的喷射喷嘴(3)和内置的喷射喷嘴(4)，所述分配器具