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Ladle Furnace - an overview | ScienceDirect Topics
Ladle furnaces look like smaller versions of EAF furnaces, having three graphite electrodes connected to an arc transformer used for heating the steel. At the bottom of the ladle furnace, typically, there is a pipeline through which argon gas can be injected for stirring and homogenizing the molten steel in the furnace.
Recycling Ladle Furnace Slag as Flux in Steelmaking: A Review ...
The use of synthetic fluxes in secondary steelmaking not only improves the properties of top slag and steel quality but also increases the production cost. Ladle furnace (LF) slag can be used as a replacement to synthetic fluxes owing to its chemical and mineralogical compositions. Valorization of LF slag helps in sustainable steelmaking and also reduces steel production cost. In spite of ...
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Major determinant of service life in magnesia-graphite slagline refractory lining in secondary steelmaking ladle furnace I O Otunniyi*, Z V Theko, B L E Mokoena, B Maramba Metallurgical Engineering, Vaal University of Technology, Vanderbijlpark, South Africa *Email: [email protected] Abstract.
Graphite Electrodes Affect the Productivity & Cost of EAF ...
EAF steelmaking is the main application field of graphite electrode. The output of electric arc furnace steel in China accounts for about 18% of crude steel. 70% – 80% of consumption of the graphite electrode are used in EAF steelmaking. In EAF steelmaking, the graphite electrode is used to conduct electric current into the furnace.
LADLE FURNACE AND SECONDARY METALLURGY TRAINING PREPARED BY ...
The electrode wear is roughly proportional to the energy consumption in the ladle furnace. The total wear,expressed as kg of graphite per tonne of steel,can be estimated, to 0.8 to 1.2% of the energy consumption,expressed as kwh/tonne, thus corresponds to a graphite consumption of 0.48 to 0.72 kg/tonne.
Graphite Electrode – Critical Component for EAF Steel Production
Graphite Electrode Overview. 70% – 80% of the graphite electrodes are used in EAF steelmaking. They are also used as the key consumable in ladle furnaces & submerged arc furnace.
Ladle Metallurgy – IspatGuru
Ladle Metallurgy. satyendra; April 23, 2014; 4 Comments ; AOD, CAAS-OB, Ladle metallurgy, refining,; Ladle Metallurgy. After tapping of steel from a primary steelmaking furnace such as BOF, EAF or EOF, molten steel for high quality or specialty applications is subjected to further refining in a number of alternative processes collectively known as ladle metallurgy.
WO2015114545A1 - Use of ladle furnace slag from al-killed ...