PROCESSO E DISPOSITIVO PARA A PRODUCAO DE CELULOSE MECANICA

A method and a device for the manufacture of mechanical pulp from lignocellulosic material by forcing the said material into contact with a grindstone (1) which revolves about an axle (2). The material is supplied in bulk, particulate form, preferably as wood chips, a large number of particles simul...

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Bibliographic Details
Main Author BYSTEDT H
Format Patent
LanguagePortuguese
Published 14.04.1981
Edition3
Subjects
FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
PAPER-MAKING
PRODUCTION OF CELLULOSE
TEXTILES
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Summary:A method and a device for the manufacture of mechanical pulp from lignocellulosic material by forcing the said material into contact with a grindstone (1) which revolves about an axle (2). The material is supplied in bulk, particulate form, preferably as wood chips, a large number of particles simultaneously being retained, compressed and, in the presence of water, forced into contact with one or more grinding areas on the circumferential surface of the grindstone (1). The grindstone (1) is enclosed in a sealed, pressurized housing (5).
Bibliography:Application Number: BR19808006522