Pulping apparatus including improved rotor

Details Pulping apparatus including improved rotor Pulping apparatus including improved rotor

B - Operations, Transporting

02

C

92/38

B02C 23/36 (2006.01) D21B 1/34 (2006.01)

Patent

CA 1183711

ABSTRACT OF THE DISCLOSURE 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.

415984

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