Method and device for washing the drying wire in a paper or boar

Details Method and device for washing the drying wire in a paper or boar Method and device for washing the drying wire in a paper or boar

1997-02-28

1999-01-26

Hastings, Karen M.

Paper making and fiber liberation

Processes and products

Conditioning, preparing or repairing of apparatus

34 85, 34117, 162275, D21F 700, D21F 132

Patent

active

058633863

ABSTRACT:
A method and device for washing a drying wire in a dryer group in a dryer section of a paper or board machine in which the drying wire is guided by drying cylinders, reversing rolls and guide rolls. A liquid jet is directed at the drying wire at a location after a first one of the drying cylinders in the dryer group and before a last one of the drying cylinders in the dryer group and/or a location on a downward run of the drying wire from one of the drying cylinders. The washing device includes a spray device for providing the liquid jet and possibly an air blow device for blowing air at the drying wire after the liquid jet in order to dry the drying wire.

REFERENCES:
patent: 3910815 (1975-10-01), Shelor
patent: 4540469 (1985-09-01), Lundstrom
patent: 5416980 (1995-05-01), Ilvespaa
patent: 5664731 (1997-09-01), Lemetyinen et al.
Albany International "Paper Machine Felt and Fabrics" pp. 135-13, 1976.

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