Patent ID: 6749138
Filing Date: 2004-06-15
Classification: B02C,B07B,B29B,B29C,B29K,Y02W

Abstract:
In a granulator having rotary knives, associated bed knives, a rotor for carrying the rotary knives for sequential shearing action between the rotary knives and the bed knives, a screen allowing the passage of particulates less than four (4) millimeters diameter, said screen dividing the interior of the granulator into an upper cutting chamber and a lower screen chamber, and an air handling system creating a pressure drop across the screen to facilitate the passage of particulate therethrough, the improvement comprising:the air handling system comprising means for the introduction of pressurized air to the cutting chamber, the introduction of filtered air to the screen chamber, and the drawing of a vacuum on the screen chamber; and the screen having a plurality of spaced apart holes.