Paper making machine with an integral suction chamber and air/wa

Details Paper making machine with an integral suction chamber and air/wa Paper making machine with an integral suction chamber and air/wa

1997-04-08

1998-12-22

Chin, Peter

Paper making and fiber liberation

Apparatus

Apparatus repair, cleaning or conditioning

162281, 162275, 162279, 162364, 162DIG7, D21F 100

Patent

active

058513582

ABSTRACT:
The invention is directed to a paper making machine having a wet end associated with a wet fiber web. A forming fabric has a plurality of voids therein and carries liquid from the fiber web. A roll disposed at the wet end of the paper making machine carries the forming fabric. The roll and the forming fabric define a diverging area therebetween which causes liquid in the forming fabric to exit the voids. A doctor back includes a doctor element associated with the roll. A shower provides a liquid output which is directed relative to and lubricates the doctor element. A suction chamber has an at least partially open top and an outlet. The open top is positioned relative to each of the doctor blade and the diverging area to collect liquid from the shower and liquid exiting the voids in the forming fabric in the diverging area. A cyclone separator connected to the suction chamber receives liquid from the suction chamber outlet. A centrifugal blower mounted on the separator generates a vacuum within the suction chamber to draw the liquid within the suction chamber into the separator.

REFERENCES:
patent: 3214327 (1965-10-01), Wicker et al.
patent: 3347740 (1967-10-01), Goumeniouk
patent: 3951736 (1976-04-01), Kobayashi
patent: 4267017 (1981-05-01), North
patent: 5120401 (1992-06-01), Kiviranta et al.
patent: 5597449 (1997-01-01), Vestola et al.

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