Staining prevention method for dry part of paper machine and...

Details Staining prevention method for dry part of paper machine and... Staining prevention method for dry part of paper machine and...

D - Textiles, Paper

21

F

D21F 5/00 (2006.01) D21F 1/32 (2006.01) D21F 3/00 (2006.01)

Patent

CA 2521890

A simple method capable of effectively preventing dry part areas, at least the surfaces of cylindrical dryers, from being stained even if a spray space is absent in a paper machine. The method can prevent the contact part of the dry parts (D) of the paper machine with a paper body from being stained. The dry part staining prevention method can continuously feed/apply a staining inhibitor (T) to the paper body (W) at a position just before the dry parts.

L'invention concerne un procédé simple permettant de prévenir efficacement le maculage de zones de parties sèches, soit au moins les surfaces de séchoirs cylindriques, y compris en l'absence d'espace de pulvérisation dans une machine à papier. Ce procédé permet de prévenir le maculage d'une partie de contact des parties sèches (D) de la machine à papier avec un corps de papier. Ce procédé de prévention du maculage de parties sèches consiste à acheminer/appliquer de manière continue un inhibiteur de maculage (T) sur le corps de papier (W) au niveau d'un emplacement situé juste avant les parties sèches.

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