Arrangement in a dryer for a fibre web

Details Arrangement in a dryer for a fibre web Arrangement in a dryer for a fibre web

1994-01-26

1995-12-05

Gromada, Denise L.

Drying and gas or vapor contact with solids

Apparatus

Chamber seals

277135, 162371, 34634, F26B 2500

Patent

active

054717655

ABSTRACT:
An arrangement in a dryer for a fibre web for sealing bands (5a, 5b) that move between a chamber (3) containing pressurized vapor and a chamber (1) containing pressurized water and transport a web (7) and a felt (8) between them, and also for sealing the edges of the chambers (1, 3). The arrangement comprises a closed recovery chamber (16) into which the edges of the bands (5a, 5b) extend and in which the vapor escaping from the vapor chamber (3) from between the band (5a) and the seals (9, 10) and the water escaping from the water chamber (1) from between the band (5b) and the seals (12, 13) gather, whereby the vapor and water can be discharged from the recovery chamber (16) such that they are cannot escape into surrounding air.

REFERENCES:
patent: 4112586 (1978-09-01), Lehtinen
patent: 4787641 (1988-11-01), Rautakorpi et al.

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