Process for drying a material web and device for the application

Details Process for drying a material web and device for the application Process for drying a material web and device for the application

1989-03-10

1991-01-22

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34155, F26B 300

Patent

active

049860097

ABSTRACT:
Process and device for drying a material web which together with a backing belt alternately runs across heatable drying cylinders which are contacted by the material web and across guide rolls contacted by the backing belt. At the travel section of the material web from one drying cylinder to the next, drying air is fed to the material web in relatively narrow blow zones. Located between the narrow blow zones are relatively wide steam release spaces from which the water vapor-laden drying air is removed.

REFERENCES:
patent: 3435538 (1969-04-01), Hargett
patent: 3503139 (1970-03-01), Mahoney
patent: 4064637 (1977-12-01), Lindgren
patent: 4416070 (1983-11-01), Vedenpa et al.
patent: 4502231 (1985-03-01), Fissmann et al.
patent: 4516330 (1985-05-01), Eskelinen
patent: 4625430 (1986-12-01), Aula et al.
patent: 4625434 (1986-12-01), Karlsson et al.
patent: 4821429 (1989-04-01), Sieberth
patent: 4881327 (1989-11-01), Hauser et al.

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