Flexible minimum energy utilization electric arc furnace system and processes for making steel products
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United States of America Patent
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Oct 22, 2013
Grant Date -
Nov 29, 2012
app pub date -
May 27, 2011
filing date -
May 27, 2011
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Abstract
A combined arc furnace, ladle metallurgical furnace and vacuum degassing system having the flexibility to produce at least non-vacuum arc remelt, vacuum arc remelt, vacuum oxygen decarburized non-vacuum arc remelt, and vacuum oxygen decarburized vacuum arc remelt steels from one off to continuous casting end uses in steady state or randomized order which utilizes only a minimum of energy attributable to preheating hot metal contacting components of the system followed by heat loss reduction of the components and use of a carryover heel in the arc furnace, in which the throughput of the system is limited solely by the melting capacity of the arc furnace.
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