Patent ID: 7024794
Filing Date: 2006-04-11
Classification: B29B,F26B

Abstract:
1. In a centrifugal pellet dryer having a stationary, generally vertical cylindrical screen, said screen including a lower end receiving wet pellets and an upper end discharging dried pellets, a driven elevating rotor inside said screen, said rotor including spaced blades thereon for elevating pellets and impacting said pellets against an interior surface of the screen and causing moisture on the pellets to pass through the screen, and a housing enclosing said screen and rotor, said housing including an inlet supplying wet pellets to a lower end of the screen, a dried pellet discharge outlet, air flowing through said housing to assist in drying said pellets, and a water outlet in a bottom portion of the housing, the improvement comprising said housing having side walls constructed of a plurality of substantially flat panels of plastic sheet material sealed along adjacent edges to attenuate sounds produced by the rotor and pellets as the pellets are moved vertically and impacted against the interior of said screen.