| Issue |
Rev. Met. Paris
Volume 101, Number 6, June 2004
CokerieCoulée continue Émaillage Environnement Laminage |
|
|---|---|---|
| Page(s) | 453 - 459 | |
| DOI | https://doi.org/10.1051/metal:2004187 | |
| Published online | 25 June 2004 | |
The funnel model for accurate slab temperature control in reheating furnaces
This paper gives a brief overview of process control in slab reheating furnaces, zooming on the so-called “funnel-concept”, as this is implemented at Corus IJmuiden this year. The control automation in reheating furnaces at Corus started in 1970. In 1985-1990 an on-line slab temperature calculation and control system has been developed and implemented at pusher-and walking-beam furnaces. Ongoing development of this model resulted in a control strategy where the target-heating curve of each individual slab was extended by an upper and lower limit, of which the interval at the entrance gradually diminished to the end of a zone: the funnel model.
© La Revue de Métallurgie, 2004
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