Process and device for treating a pulp web in a long-nip...

Details Process and device for treating a pulp web in a long-nip... Process and device for treating a pulp web in a long-nip...

D - Textiles, Paper

21

F

D21F 3/02 (2006.01) B30B 15/32 (2006.01)

Patent

CA 2703265

The invention relates to a process for treating a pulp web (9) in a paper or board machine in a long-nip pressing unit (29) with one press roll (24) that has a rotating pressing shell (25) and one opposing roll (23), where the pulp web (9) is dewatered in an extended press nip (26) between the opposing roll (23) and the pressing shell (25) of the press roll (24). According to the invention the pulp web (9) is carried on the rotating pressing shell (25) of the press roll (24) to a transfer zone (30), where the pulp web (9) is passed from the pressing shell (25) onto a transfer element (31, 27) after leaving the extended press nip (26). The invention also refers to a press arrangement with which to perform the process according to the invention.

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