SYSTEM AND METHOD TO CONTROL PRESS SECTION DEWATERING ON PAPER AND PULP DRYING MACHINES USING CHEMICAL DEWATERING AGENTS

摘要

The present invention provides an automatic control system, method and paper manufacturing machine using such control system for automatically controlling the amount of press section dewatering via the metered application of chemical dewatering agents applied to a paper web in a paper manufacturing process. The control system includes a feedback controller for controlling the amount of chemical dewatering agent applied to a paper web, and a monitoring device for obtaining a measurement of the moisture of the paper web exiting the press section.