Method and apparatus for drying a fiber web

Details Method and apparatus for drying a fiber web Method and apparatus for drying a fiber web

1999-09-21

2000-10-17

Wilson, Pamela A.

Drying and gas or vapor contact with solids

Process

Diverse types of drying operations

34461, 34508, 34 71, 34 95, 34116, 162197, 1623585, F26B 700

Patent

active

061313068

ABSTRACT:
An apparatus for drying and smoothing a fibre web between two tight bands that move in parallel and run around turning rolls, the first band being heated with hot steam and the second band being cooled with water, and the fibre web being conducted through the drying zone that the bands define together with at least one felt or wire such that the fibre web is in contact with the surface of the first, heated band and that the felt or wire is between the fibre web and the second, cooled band. The apparatus and method further comprise spreading the fibre web in its transverse direction before it is led into the drying apparatus.

REFERENCES:
patent: 4461095 (1984-07-01), Lehtinen
patent: 5762759 (1998-06-01), Wedel
patent: 5983523 (1999-11-01), Ijas et al.
patent: 6001421 (1999-12-01), Ahonen et al.
patent: 6009634 (2000-01-01), Retulainen
PCT International Search Report, PCT/FI98/00240, Completed Jun, 15, 1998.

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