Document Type and Number:
Japanese Patent JPH0470435
Kind Code:
B2
Abstract:
A process and mechanism for cooking fibrous paper pulp including a digester (10) wherein the pulp is cooked under elevated temperatures and pressures for a predetermined time, a discharge line (22) leading form the lower end of the digester (10) to a blow tank (24), a valve (23) in the discharge line (22) and cycling means connected to the valve cyclically opening and closing the valve (23) while the contents are emptied from the digester (10).
Inventors:
EZAN KEI ANDORYUUZU
Application Number:
JP25045190A
Publication Date:
November 10, 1992
Filing Date:
September 21, 1990
Export Citation:
Assignee:
BELOIT CORP
International Classes:
D21C3/00; D21C7/08; D21C7/12
Next Patent: MOLD FORM FOR PRECAST CONCRETE PILLAR