APPARATUS AND METHOD FOR DETERMINATION AND CONTROL OF PAPER WEB QUALITIES ON A PAPERMAKING MACHINE

摘要

The invention relates to an apparatus for the on-line determination of paper web moisture content and/or temperature on the dryer section of a papermakin g machine. The apparatus is designed to form, in combination with a doctor mea ns and/or a packet ventilating tube, such a compact structure wherein the apparatus operates underneath such means or in a close proximity thereto. Th e invention also relates to a method for control of paper web moisture content and temperature on the basis of measurements performed on the dryer section of a papermaking machine.