PROCESS LINE CONTROL APPARATUS AND METHOD FOR CONTROLLING PROCESS LINE
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United States of America Patent
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Issued Date -
Sep 2, 2010
app pub date -
Feb 9, 2007
filing date -
Feb 9, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process line control apparatus which controls a process line including an annealing furnace (3) including a heating process apparatus executing a heating process and a cooling process apparatus executing a cooling process, the heating and cooling processes being continuously executed on a steel material, the apparatus having feed forward control means (112, 113) for measuring quality of the steel material by a material quality measuring apparatus (6) installed in an inlet stage (1) preceding the heating process in the annealing furnace (3), and on the basis of measurement results, determining modifications for respective temperature set values set by temperature setting means (111) for the heating and cooling apparatuses in the annealing furnace (3), and feedback control means (114, 115) for measuring the quality of the steel material by a material quality measuring apparatus (7) installed in an outlet stage (5) succeeding the cooling process in the annealing furnace (3), and on the basis of measurement results, determining modifications for the respective temperature set values set by the temperature setting means (111) for the heating and cooling apparatuses in the annealing furnace (3).
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