Patent ID: 9427717
Filing Date: 2016-08-30
CPC Classification: B01J,B02C

Claim Text:
1. A powder granulation device, comprising: a cylindrical container configured to hold a starting-material powder, the cylindrical container having an inner bottom surface and an inner-side face contiguous with a peripheral edge portion of the inner bottom surface, the inner bottom surface of the cylindrical container being part of a circular flat plate and rotating in a horizontal plane; and a plurality of scrapers disposed adjacent the inner bottom surface and the inner-side face of the cylindrical container, and the scrapers having a leading end facing a rotation direction of the cylindrical container; the leading ends of the scrapers are tilted relative to the inner bottom surface of the cylindrical container and move one part of starting-material powder in the cylindrical container from a corner of the cylindrical container toward a center of the cylindrical container and another part of the starting-material powder in the cylindrical container in a twisting upward motion toward a peripheral edge of the cylindrical container and in a circumferential direction of the cylindrical container, during rotation of the cylindrical container; and a nozzle supplying a binder into the cylindrical container.