Drying apparatus

Details Drying apparatus Drying apparatus

D - Textiles, Paper

21

F

D21F 5/18 (2006.01) B41F 23/04 (2006.01)

Patent

CA 2138175

A drying apparatus (1) for a web of paper (6) which passes through a rotary printing machine is arranged immediately downstream of a printing mechanism of the printing machine and includes a housing (2) through which the web of paper passes, as well as a fan arrangement and nozzle pipes (4) which extend transversely to the direction of movement of the web of paper substantially over the entire width thereof and by which air, that is sucked out of the housing by the fan arrangement, is blown onto the web of paper. In order considerably to reduce the energy expenditure required for operation of such a drying apparatus, relative to the drying effect achieved, the nozzle pipes are arranged only on the freshly printed side of the web of paper and disposed on the side of the web of paper, that is opposite to the nozzle pipes, is a guide surface (9, 10) at which the web of paper is supported in a contact-free manner by way of an air cushion which is built up in an air gap (11) formed between the web of paper and the guide surface.

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