Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1991-03-20
1993-01-12
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34115, 34116, F26B 1102
Patent
active
051778807
ABSTRACT:
A dryer section of a paper making machine is divided into several dryer groups, each comprising a plurality of dryer cylinders, a plurality of reversing rolls between neighboring cylinders and a respective web supporting belt wrapping around the cylinders of a dryer group. Within each dryer group, the web travels, in continuous contact with the supporting belt, alternately over the dryer cylinders and the reversing rolls so that the web comes into direct contact with the cylinders and the supporting belt comes into direct contact with the reversing rolls. The cylinders are arranged in several rows which are inclined to the vertical, alternately rearwardly and forwardly defining V-shaped double rows. The end of each row and the starting point of the following row are formed by two cylinders arranged horizontally alongside of each other. The rows of dryer cylinders succeed each other in the manner of a zig-zag line. Each inclined row comprises about three cylinders.
REFERENCES:
patent: 3355816 (1967-12-01), McKie et al.
patent: 4744156 (1988-05-01), Futcher
patent: 4862600 (1989-09-01), Cremona
patent: 4945655 (1990-08-01), Wedel
patent: 4972608 (1990-11-01), Ilvespaa 34115
Kraft Wilfried
Mayer Wolfgang
Preisetanz Johann
Bennet Henry A.
Gromade Denise L. F.
J. M. Voith GmbH
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