F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/39
F26B 5/00 (2006.01)
Patent
CA 1307107
Abstract Method and device in multicylinder dryers of paper machines, which multicylinder dryers comprise two rows of drying cylinders , in association of which a twin-wire draw is employed in such a way that said drying wires provide a closed draw when moving the paper web from one cylinder row to another. In the closed draw the guide rolls of the drying wires are positioned close to that draw of the other wire as which draw the drying wire runs from its drying cylinder to its guide roll . Air jet or jets are blown against these drying wires in order to ventilate pockets bound by the free surfaces of the drying cylinders and the drying wires . In the form of said air jets, drying air is moved through a widening wedge-shaped space bound by said drying wire and the guide roll in the pocket in question to ventilate it. Air jet or air jets should preferably be applied perpendicularly against the side of the drying wire which is opposite to to the web at the guide roll of the other drying wire .
540269
Eskelinen Pekka
Karlsson Markku
Raatikainen Pentti
Virta Raimo
Marks & Clerk
Valmet Paper Machinery Inc.
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