Method and device for drying a coating on a paper web or equival

Details Method and device for drying a coating on a paper web or equival Method and device for drying a coating on a paper web or equival

1996-10-23

1998-06-30

Bennett, Henry A.

Drying and gas or vapor contact with solids

Process

Diverse types of drying operations

34448, 34461, 34114, 34122, 34640, D21F 500

Patent

active

057716021

ABSTRACT:
A method and device for drying a coating on a paper web or equivalent in which the direction of running of the paper web is turned, free of contact, by blowings produced by a turning device and the coating on the paper web is dried free of contact by blowings of drying devices placed at both sides of the paper web. The direction of running of the paper web is turned by drying blowings. The exhaust air of the turning device and drying device, which is placed at the side of the turning device, is removed from direct vicinity of the paper web or equivalent by a common exhaust device. The turning device and drying device are placed under and within a common box construction so that access of the exhaust air into the surrounding space is prevented. The device includes a turning device for turning the running direction of the paper web free of contact and a drying device for contact-free drying of the coating on the paper web. The turning device and drying device have nozzles for producing blowings and an exhaust-air device for removing the exhaust air from the vicinity of the paper web or equivalent. The device is arranged to produce drying blowings at the turning device. The turning device and the drying device have common exhaust-air members.

REFERENCES:
patent: 4837946 (1989-06-01), Hella et al.
patent: 4936025 (1990-06-01), Heikkila et al.
patent: 4942674 (1990-07-01), Karlsson
patent: 5009016 (1991-04-01), Lepisto et al.
patent: 5230165 (1993-07-01), Beisswanger
patent: 5303484 (1994-04-01), Hagan et al.
patent: 5561913 (1996-10-01), Domoto
patent: 5621983 (1997-04-01), Lundemann et al.
patent: 5636450 (1997-06-01), Lize 34267
"Trocknung gestrichener Papier" H. Graab, Wochenblatt Fur Papierfabrikation, vol. 17, 1983, pp. 645-648.
INSKO (Insinoorien korlotuskeskus Oy), Phiip Norrdahl and Pertti Heikkila, Paallysteen Kuivatas (Drying of a Coating), 1988.
Abstract of DE 4415581; Paper Web Coating Assembly, Jan. 1995.

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