2019 Pittsburgh AISTech

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Intelligent Melting System at Kroman Çelik EAF: Performance Results During One Year of Operation (Room 406)

The present work analyzes the results achieved in the Kroman Çelik EAF one year after the installation of the Q-MELT automatic EAF system and the revamping of the furnace chemical package. The main features of the system are summarized, such as electrode regulation and foamy slag control, charging optimization, offgas analysis and closed-loop injectors control. Further improvements have been achieved with the fine-tuning of the melting practices, which allowed the plant to progressively reduce its electrical energy consumption. In addition, slag sampling has been increased in order to improve the slag-building recipe in each heat, thus optimizing the consumption of fluxes.