Controlling the slice flow of a slurry through a headbox

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12157975
APP PUB NO 20230160144A1
SERIAL NO

17910344

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Abstract

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A method for controlling a slice flow of a slurry having two or more component slurries through a headbox for a paper making machine includes, inputting a wire speed of the paper making machine; determining a jet velocity setpoint based on the wire speed; determining a header pressure setpoint for two or more headers to generate the jet velocity determined by the jet velocity setpoint, each header providing one of the two or more component slurries to the headbox; and controlling the slice flow by: generating a first speed command to a first slurry pump to generate a header pressure determined by the header pressure setpoint in a first header; and generating a second speed command to a second slurry pump to generate the header pressure determined by the header pressure setpoint in a second header.

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Patent Owner(s)

Patent OwnerAddress
ANDRITZ INC5405 WINDWARD PARKWAY SUITE 100W ALPHARETTA GA 30004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Prescott, Ralph Roscoe, US 2 1
Shands, Jay Navarre, US 5 17

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