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Implementation of furnace optimization at voestalpine Stahl
Oct 11, 2007
Implementation of the SteelPlanner reheating furnace optimization module has been completed. This project was awarded to AIS in the framework of the new reheating furnace project at voestalpine Stahl in Linz, Austria.
The existing implementation of the AIS SteelPlanner solution at voestalpine in Linz, which has been in operation for 4 years, is optimizing on a daily basis the schedules of the casters and the hot strip mill and is one of the main components of the hot-charging solution in place. With the addition of a new walking beam reheating furnace, some new optimization possibilities are exploited using the new furnace optimizer.
The SteelPlanner Furnace Optimization module is part of BetaPlanner, the mill scheduling solution of the SteelPlanner suite. It optimizes the slab charging and discharging sequence using a combination of a pure thermal and/or a fix charging pattern model. This model considers the reheating time needed for each slab and considers the best furnace to use at a given moment in time. This optimization is done considering the constraints from two pusher type furnaces and the new walking beam furnace as well as the process and logistics constraints related to the HSM.
AIS succeeded in realizing the main goal of the project of using the full capacity of the new reheating furnace by reducing the furnace and/or mill bottlenecks as well as to provide better support for the hot-charging objectives of voestalpine Stahl.
The furnace optimizer in BetaPlanner closes the gap between the level 3 schedulers and the level 2 furnace optimization facilities. The project has been finalized on schedule in June 2007.
In addition, make sure to read these articles:
voestalpine postpones decision about new steel plant at the Black Sea
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voestalpine Stahl, Austria, to replace and modernize three converters
Hot-dip galvanizing line for voestalpine Stahl GmbH, Linz
Implementation of furnace optimization at voestalpine Stahl
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Heavy-duty hot-dip galvanizing line for voestalpine Stahl GmbH, Linz, Austria
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