Chip Reclaim Control Strategy Development Using Computer Simulation, 1997 Engineering Conference Proceedings

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The addition of a second corrugated medium machine to the Mead Corporation (Stevenson, Alabama) mill required a doubling of woodyard processing and storage, including chip reclaim. There was a significant capital and operating cost advantage of using a single long reclaim belt conveyor and proportioning the discharge of this conveyor between the respective screening and washing units of the two pulp lines according to their respective production demands. At issue was whether a control strategy could be designed to accomplish this.

Computer simulation of the process equipment and control components was used to design the strategy. Further, simulation of the pulp mill operator console graphic displays was added to the simulation in order to communicate the strategy and operating procedures to operating personnel and to the responsible production and technical managers.