D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 1/32 (2006.01)
Patent
CA 2325991
A cleaning apparatus (10) is disclosed for cleaning a forming wire (12) of a paper machine. The apparatus (10) includes a shower (14) which is disposed adjacent to the forming wire (12) for applying a shower of cleaning fluid (16) to the wire (12). A blow box (18) is disposed closely adjacent to the forming wire (12) and downstream relative to the shower (14). The box (18) is connected to a source of pressurized air (20) for blowing a jet of air (21) through the wire (12) for removing the cleaning fluid (16) therefrom. A plate (22) is disposed between the box (18) and the wire (12). The plate defines a plurality of slots (24, 25, 26) which are disposed obliquely to a direction of movement of the wire (12) in order to supply a multiplicity of pressure pulses to the wire (12) for removing contaminants therefrom.
La présente invention concerne un appareil de nettoyage (10) permettant de nettoyer une toile de formation (12) d'une machine à papier. L'appareil (10) comprend un rinceur (14) disposé à proximité de la toile de formation (12) et destiné à appliquer sur la toile (12) un jet de liquide de nettoyage (16). Un caisson de soufflage (18) est disposé à proximité immédiate de la toile de formation (12), en aval par rapport au rinceur (14). Le caisson (18) est relié à une source d'air sous pression (20) permettant de souffler un jet d'air (21) sur la toile (12), de manière à la débarrasser du liquide de nettoyage (16). Une plaque (22) placée entre le caisson (18) et la toile (12) forme une pluralité de fentes (24, 25, 26) disposées de manière oblique suivant une direction de déplacement de la toile (12), afin de fournir à ladite toile (12) une multiplicité d'impulsions de pression pour en éliminer les contaminants.
Gregersen Matthew L.
Newton Paul
Oldenberg David E.
Pulkowski Jeffrey H.
Shands Jay
Beloit Technologies Inc.
Metso Paper Inc.
Mitsubishi Heavy Industries Ltd.
Ridout & Maybee Llp
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