Process and device for dewatering of a fibre web

Details Process and device for dewatering of a fibre web Process and device for dewatering of a fibre web

D - Textiles, Paper

21

C

D21C 9/18 (2006.01) D21F 9/00 (2006.01)

Patent

CA 2254224

The invention refers to a process for dewatering a pulp web, particularly a chemical pulp web, where dewatering takes place between twin wire belts or felts in an initial dewatering zone with a set area pressure and then in a second dewatering zone. It is mainly characterised by the area pressure in the initial dewatering zone being pre-set, and in the second dewatering zone it is adjustable, with the web being dewatered in both directions (upwards and downwards). The invention also refers to a device for implementing the process.

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