Abstract
In order to attain stable and efficient blast furnace operation, high quality sintered ore is required. To produce high quality sintered ore, it is necessary to regulate the heat pattern to the appropriate conditions. A mathematical model describing the sintering process was developed for the purpose of estimating the heat pattern which occurs during the actual operation. Using this model, the relation between the operational conditions, the heat pattern and the finished quality of sintered ore was studied. Further, a computer system for controlling the heat pattern was constructed, combining the mathematical model and a newly developed optimization algorithm. Using this system, the changes in operational variables needed to attain the desired heat pattern can be determined by applying mathematical programming techniques, with the results displayed and used for operational guidance. In this paper, the mathematical model for the operational guidance system for the sintering process, in particular the components for the heat pattern and the mathematical programming to determine the appropriate operational conditions, is described.
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