Air impingement web drying method and apparatus

Details Air impingement web drying method and apparatus Air impingement web drying method and apparatus

1980-04-25

1982-11-30

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

Running or indefinite length work forming and/or treating...

162359, 162374, 34 18, 34 23, 34 68, 34117, 34155, D21F 136, D21F 502, D21F 514

Patent

active

043614663

ABSTRACT:
A method and mechanism for dewatering a web in a paper making machine having press means, a first thermal dryer section having a long continuous support looped belt carrying the web along a first drying run with rolls and suction zones beneath the web and a hot air generating means for directing a flow of air onto the web in the first thermal run with the web being received substantially 40% bone dry at the beginning of the first thermal run and being delivered substantially 50% bone dry at the end of the run onto a heated drum dryer section.

REFERENCES:
patent: 1144896 (1915-06-01), Fosbraey
patent: 1463923 (1923-08-01), Nelson
patent: 2300982 (1942-11-01), Slagbloom
patent: 2857822 (1958-10-01), Heys
patent: 3029871 (1962-04-01), Hornbostel
patent: 3125424 (1964-03-01), Peck
patent: 3284285 (1966-11-01), Holden
patent: 3370359 (1968-02-01), Beachler
patent: 3438854 (1969-04-01), Means
patent: 3874997 (1975-04-01), Kankaanpaa

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