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Purpose and areas of usageThe development concerns the provision of refining and modification of iron - carbon fusion with active reagents, which are recovered in the melt volume due to the heat of an electric arc. This achieves a significant reduction in the cost of the final product through the abandonment of high - value materials containing metallic magnesium or calcium. Potential users of the developed technology are domestic enterprises that have in their composition casting and metallurgical lines using liquid metal fusions.
Main characteristics of development
The maximum degree of cast - iron kettle desulfurization was 97. 2% with a degree of use of magnesium 98. 14% . The rate of heating of the fusion is 10 - 14 С / min at a thermal efficiency of 75 - 80% .
Main advantages of developmentThe most important indicators of the technology of the extraction of iron - carbon fusions for the purpose of their refinement and modification by the method of a deep electric arc include the high resource and energy saving, the possibility of rejecting the production cycle from the use of high - value substances for refining, modifying and doping the melts
Market demandThe developed technology without significant capital expenditures can be implemented at domestic metallurgical enterprises equipped with the installation of "furnace ladle". In addition, with a certain re - equipment it can be used on any foundry or metallurgical enterprise
The state of developmentThe method of calculation of parameters of iron - carbon melt processing by a submerged electric arc is developed, which provides obtaining the specified content of sulfur and compensation of heat losses during processing. In a semi - industrial environment, the processing of iron was done by magnesium, which is recovered from oxide in the zone of electric arc immersed in a metal.