Mounting system for paper dryer nozzle box

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 5/02 (2006.01) D21F 5/04 (2006.01) F26B 11/02 (2006.01) F26B 21/00 (2006.01)

Patent

CA 2163098

One or more nozzle boxes (20) are supported by support walls (32) of a yankee dryer hood (12). The mounting arrangement and interconnection means (46, 54, 60, 76, 78) interconnecting the support walls serve to maintain the nozzle boxes concentric the yankee dryer, reduce thermal stresses, and alleviate edge misalignment problems between the nozzle boxes and web cages caused by thermal expansion.

Les parois de support (32) d'une hotte (12) de sécheur Yankee soutiennent une ou plusieurs boîtes à tuyère (20). L'agencement de montage et de fixation (46, 54, 60, 76, 78) aux parois de support sert à maintenir les boîtes à tuyère concentriques par rapport au sécheur Yankee, et il permet de réduire les contraintes thermiques et de diminuer les problèmes de mauvais alignement entre les boîtes à tuyère et le bord de la bande de papier, provoqués par la dilatation thermique.

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