Device for producing granulate

Details Device for producing granulate Device for producing granulate

1993-12-07

1994-09-06

Watts, Douglas D.

Solid material comminution or disintegration

Apparatus

Comminuting surface provided with openings to permit...

241 15, 384481, B01J 220

Patent

active

053440870

ABSTRACT:
A machine for producing granulate from meltable compounds comprises a stationary inner drum and a rotary outer drum mounted on the inner drum. Melted compound contained within the inner drum drips onto a cooling belt when openings in the outer and inner drums become vertically aligned. A bearing/sealing assembly is disposed at each end of the inner drum. Each bearing/sealing assembly includes a bearing for rotatably supporting the outer drum, and a seal for resisting the leakage of particles beyond the drums. An annulus surrounds the seal and includes a downwardly directed discharge opening enabling particles which have leaked past the seal to fall from the assembly without reaching and fouling the bearing.

REFERENCES:
patent: 1734497 (1929-11-01), Limpert
patent: 1906734 (1933-05-01), Bortom
patent: 2721035 (1955-10-01), Lankford et al.
patent: 2942638 (1960-06-01), Mauari
patent: 4707150 (1987-11-01), Graham
patent: 4881829 (1989-11-01), Koelscm
Brochure: Sandvik Rotoform Verfahren, Prospectus Sandvik Process Systems GmbH, PS-500 GER3.921.

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