Patent ID: 9248585
Filing Date: 2016-02-02
CPC Classification: B01J,B29B,B29C

Claim Text:
1. A granulation method using an underwater cutting (UWC) device, which is configured to granulate a medium to be processed extruded from holes of a die by cutting the medium by using cutter blades provided in a circulation box and to conveys the cut pellets from the circulation box while cooling the cut pellets by pellet cooling/transport water (PCW), the granulation method comprising: circulating the PCW and stopping the circulation of the PCW after pushing the cutter blades against the die while rotating the cutter blades, before the start of the granulation; storing a predetermined amount of PCW in the circulation box by discharging the PCW; and heating the PCW, which is stored in the circulation box, up to 69° C. or more.