VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON FASERSTOFF AUS ALTPAPIER

The invention concerns a method and an equipment for combining in one single apparatus, the functions for filtering, decontaminating, and thickening paper pulp from used paper, while providing the complementary function of clarifying the filtrates. The apparatus (1) rotates at high speed. The paper...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HAFFNER, ERIC
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS THEREFOR CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES CENTRIFUGES METHODS OF PRODUCING PAPER THEREON PAPER-MAKING PAPER-MAKING MACHINES PERFORMING OPERATIONS PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES TRANSPORTING TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE
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Beschreibung
Zusammenfassung:	The invention concerns a method and an equipment for combining in one single apparatus, the functions for filtering, decontaminating, and thickening paper pulp from used paper, while providing the complementary function of clarifying the filtrates. The apparatus (1) rotates at high speed. The paper pulp is introduced through the center of the apparatus (2) and driven at its angular speed. The pulp is then brought along a grate (6) with small size holes for separating the fibers from the greater part of the water. The thickened pulp is evacuated through extraction nozzles (8). The water is clarified in the clarification zone (12) and recycled or eliminated depending on uses. More complete embodiments of the apparatus include the functions of fractionating, de-inking and purifying the pulp with slots or holes.