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Abstract
Evolutions in Mechanical Engineering
Development and Studies of Secondary Steelmaking Units with Electric Heating of the Metal by Direct Current Arc
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Open or Close Protasov AV1*, Sivak BA and Bershitzky IM
Department of SSC VNII Met mash, Russia
*Corresponding author: Protasov AV, Department of SSC, VNIIMETMASH, Russia
Submission: December 13, 2018;Published: January 18, 2019
ISSN: 2640-9690Volume2 Issue2
Abstract
Different aspects of technologies and equipment for secondary refining of liquid steel in the ladles with bath heating by DC arc and various disposal of electrodes are examined. The principal shemes and calculated characteristics of some projects of pilot aggregates ladle-furnace and vacuum arc degassing, designed by three institutes: VNIIMETMASH, TsNIICHERMET and VNIIETO are given. Technico-economic and ecological advantages of metal heating by DC or plasma arc and results of executed experiments give the foundation for continue of works in this direction.
Keywords: Ladle; Furnace; Bath; Electric heating; Current; Arc; Grafite electrod; Steering; Carburization; Refining; Degassing
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