Metso Paper Inc.

Valmet Technologies, Inc.

Markku Laitonen

Pertti Heikkila

Johan Lindholm

Richard Solin

Olli Huhtala

Ilkka Eivola

Pertti K Heikkilä

Timo Vuokko

Pertti HeikkilÄ

The object of the invention is an end part () of an air dryer, the air dryer being applicable for drying a pulp web, such as a cellulose web or the like. The end part comprises a fan tower (), and a roll tower in which a number of turn roll () are arranged mainly on top of each other in order to turn the travelling direction of the pulp web in the air dryer, the longitudinal axis of the roll. towers being parallel, and a fan tower arranged at a distance from the roll tower, adjacent to it, comprising a number of fans arranged on top of each other, a single fan being arranged to blow heated air as drying air to a dryer group. The end part further comprises one or more centrifugal fans () arranged in the direct vicinity or the roll tower, and a number of end drying means () arranged between the roll tower and the dryer group of&#x2014;the fan of the fan tower, to which end drying means drying air is supplied with said centrifugal fan or fans. A further object of the invention is also a method in the end part of an air dryer, an air dryer and use of a centrifugal fan.

End part of an air dryer, air dryer, method in the end part of an air dryer and use of fan

The invention relates to an apparatus and a method for removing a broken pulp web from a pulp dryer. The apparatus includes a maintenance platform arranged at the first or the second end of the pulp dryer, outside the walls of the pulp dryer; a device for shifting the maintenance platform in a substantially vertical direction to a desired height with respect to the pulp dryer, and an extraction device fixed to the edge of the maintenance platform facing the dryer for pulling a broken pulp web out of the pulp dryer.

Apparatus for removing a broken pulp web from a pulp dryer

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Masku, Finland

Markku Laitonen