FIELD: paper production, in particular, processing of materials before delivering thereof into papermaking machine.
SUBSTANCE: method involves directing cellulose pulp through refining zone positioned between refining surfaces which are moved relative to one another and pressed to one another, with relative velocity between cellulose pulp and refining surfaces in basic direction of movement of refining surfaces being below 10% of absolute velocity of refining surface having maximum velocity in position wherein said two refining surfaces approach to maximum extent to refining zone.
EFFECT: improved keeping of length of fibers without fibrillation of fiber surfaces or with minimum fibrillation thereof, and reduced labor intensity for refining procedure providing demanded strength.
14 cl, 5 dwg
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