Pulping apparatus including improved rotor

Details Pulping apparatus including improved rotor Pulping apparatus including improved rotor

1982-01-25

1984-11-06

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 4617, 241 79, B02C 1318

Patent

active

044807961

ABSTRACT:
An improved pulping apparatus having a rotor with a special vane design providing improved defibering action as well as improved circulation. The rotor cooperates with a perforated extraction plate and has a plurality of outwardly extending vanes each having a surface arranged to cooperate with the perforated extraction plate, a smoothly contoured airfoil surface which receives the stock, a leading face and a trailing surface, the leading face having a concave trough-like surface extending for substantially the entire length of the vane.

REFERENCES:
patent: 2649882 (1953-08-01), Chopieska
patent: 3073535 (1963-01-01), Vokes
patent: 3774853 (1973-11-01), Seifert
patent: 3847360 (1974-11-01), Seydelmann
patent: 3889885 (1975-06-01), Couture
patent: 4109872 (1978-08-01), Couture

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