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AssigneePapierfabrik August Koehler SE
InventorsManfred Huber, Joachim Uhl, Lutz Kuhne, Michael Boschert
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A dryer section for drying a web of fibrous material is provided, which has at least one drying unit for reducing the moisture content of the web by means of convection drying. The drying unit has at least one nozzle for applying a drying fluid to the web, at least one discharge device for the moist air produced during convection drying, and transport means for moving the web relative to the drying unit. The drying unit has at least one ultrasonic generator, which is arranged, for excitating vibrations in the drying fluid, in the region of the nozzle in such a manner that the reduction of the moisture content by ultrasound can be supported over the entire width of the web.
A dryer section for drying a web of fibrous material, especially of paper, cardboard, tissue/sanitary paper comprising
A machine for producing a web of fibrous material having a device for mechanically dewatering the web, especially a press section, and a dryer section according to any one of the preceding claims, which is arranged downstream of the device for mechanically dewatering in the transport direction of the web.
A method for drying a web of fibrous material, especially of paper, cardboard, tissue/sanitary paper, wherein the web is moved through a dryer section and is dried convectively, wherein the moisture content of the web is reduced, wherein ultrasound waves are applied to the web during the drying process in such a way that the reduction in the moisture content over the entire web thickness is assisted by ultrasound.
A dryer section for drying a web of fibrous material, especially of paper, cardboard, tissue/sanitary paper comprising
Dependencies are inferred from the claim text.