Pollution prevention method for cylindrical dryer used in...

D - Textiles – Paper – 21 – F

Patent

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D21F 5/00 (2006.01) D21F 1/32 (2006.01)

Patent

CA 2345289

A dryer pollution prevention method in a paper machine capable of maintaining a drying efficiency and guaranteeing present pollution effects at all times for an extended time; specifically, a method of preventing pollution on the surface of a cylindrical dryer used in a paper machine, wherein a surface forming agent (P) in a constant amount is continuously supplied directly onto the surface of a rotating cylindrical dryer (D1) with web (W) supplied by the operation of the paper machine.

L'invention concerne un procédé de prévention de la pollution d'un sécheur cylindrique dans une machine à papier, le procédé permettant de maintenir une efficacité de séchage et de garantir le sécheur contre des effets de pollution prédéfinis à tout moment pendant une longue période. Plus spécifiquement, l'invention concerne un procédé de prévention de la pollution à la surface d'un sécheur cylindrique dans une machine à papier, le procédé consistant à appliquer un agent de formation de surface (P) en quantité constante directement sur la surface d'un sécheur cylindrique (D1) rotatif, la bande continue (W) étant produite par la machine à papier.

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