Process for the drying of pulp and a suction roll used for the drying of pulp

The present invention relates to a process for the drying of pulp which process comprises the steps of, providing a pulp comprising cellulosic fibers, conducting the pulp to a wire, dewatering the pulp by the aid of a suction roll wherein the suction roll has a open surface area of above 60% and a s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KYLLIAINEN PEKKA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES FOR PAPER-MAKING MACHINES APPARATUS THEREFOR BLASTING CALENDERS DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM HEATING LIGHTING MECHANICAL ENGINEERING METHODS OF PRODUCING PAPER THEREON PAPER-MAKING PAPER-MAKING MACHINES PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the drying of pulp which process comprises the steps of, providing a pulp comprising cellulosic fibers, conducting the pulp to a wire, dewatering the pulp by the aid of a suction roll wherein the suction roll has a open surface area of above 60% and a shell thickness of above 50mm. By increasing the open surface area of the suction roll the dewatering of the pulp is increased. The invention further relates to suction roll for the drying of pulp.