Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With testing – sampling or analyzing
Patent
1991-06-04
1997-05-27
Alvo, Steven
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With testing, sampling or analyzing
162 61, 162 62, 162198, 162238, 162246, 162253, D21C 712, D21F 706
Patent
active
056328591
ABSTRACT:
A mill for the processing and production of wood pulp is contained substantially entirely within a single, integral structure that defines a unitarily-covered space substantially bounding and enclosing the mill. The mill includes a main control room or station for overall monitoring and control of pulp processing operations in the mill, the main control station being disposed substantially centrally within the covered space, and a plurality of processing stations at which various pulp processing operations take place in a generally sequential manner or order. The plural processing stations are disposed within the covered space and radially outwardly from the main control station, with individual ones of the processing stations being arranged and located in the covered space relative to others of the processing stations so that as the pulp undergoes the sequential processing operations at the plural processing stations the pulp proceeds substantially circumferentially about the main control station between and among the individual processing stations.
REFERENCES:
patent: 4543702 (1985-10-01), Wada
patent: 4674181 (1987-06-01), Hamada et al.
patent: 4685850 (1987-08-01), Ohta et al.
patent: 4740133 (1988-04-01), Kawano
patent: 4985722 (1991-01-01), Ushijima
Snook, Handbook For Pulp & Paper Technologists, pp. 173-178 (Joint Executive Committee of the Vocational Education Committees of the Pulp and Paper Industry, Canada 1989).
Heitto Pertti
Junttila Vesa
Kiiskil a Erkki
Sulander Tarmo
Ahlstrom Machinery Oy
Alvo Steven
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