Dynamic calibration of papermaking machine

Details Dynamic calibration of papermaking machine Dynamic calibration of papermaking machine

2006-05-23

2006-05-23

Hug, Eric (Department: 1731)

Paper making and fiber liberation

Processes and products

With measuring, inspecting and/or testing

C162S252000, C162S253000, C162S262000, C162S263000, C162SDIG004, C162SDIG011, C700S128000, C324S694000, C324S695000

Reexamination Certificate

active

07048827

ABSTRACT:
Sheetmaking processes such as papermaking making systems employ water weight sensors underneath the moving water permeable wire that supports the wet stock (pulp slurry). A dynamically compensated calibration equation that equates the water weight plus fiber weight plus wire weight (total weight) to the resistance measured by the water weight sensor is developed for controlling the continuous process. Dynamic compensation accounts for changing papermaking machine conditions or states that affect the intrinsic conductivity of the wet stock being measured. The amount of correction to apply is determined by the conductance measured by a reference sensor.

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