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Inductive melting in steelworks. by Mohamed Chaabet, Erwin Dötsch. After the development of induction technology with inverter outputs of over 40 MW for crucible furnaces with capacities of more than 65 t, the induction furnace offers itself as an alternative to the electric arc furnace.
This chapter includes raw materials, furnace construction, melting practice and metallurgy, energy considerations, special furnaces, environmental and safety issues, and future aspects.
The percentage of electric steel produced with electric arc furnaces as the traditional melting unit around the world (without China, an exceptional case with 90 % oxygen steel) is around 45 %, and this percentage is growing.
The voestalpine Group operates in their steel segment a foundry for the manufacture of heavy cast steel with a melt requirement from 1 to 200 t per casting. The melt required in the foundry is acquired for the most part from the LD steelworks sited on the same grounds.
1 Αυγ 2011 · Solid steel is melted in medium frequency induction furnace into liquid, and raw materials are added in the furnace to adjust the contents of Cr, Si and Mn.
16 Σεπ 2022 · The model derived in this paper describes the melting process of solid scrap in an industrial Ultra-High-Power AC EAF producing stainless steels with a capacity of 150 Tons. The electrical power input is manipulated via the control system of the electrodes.
1 Ιαν 2024 · The basic principle of electric steelmaking today is that the furnace is a “melting machine” that produces liquid steel with the required chemistry, temperature, and mass in time to feed steel to successive ladle treatments and continuous caster, which finally determines the production rhythm.
