ELECTRIC ARC MELTING FACILITY AND METHOD FOR PRODUCING MOLTEN METAL BY USING ELECTRIC ARC MELTING FACILITY
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United States of America Patent
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Issued Date -
May 24, 2012
app pub date -
Jul 22, 2010
filing date -
Jul 30, 2009
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Abandoned
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Abstract
An electric arc melting facility includes a melting chamber configured to melt a source iron therein by an electrode, and a shaft-shaped preheating chamber directly connected to the melting chamber. The preheating chamber includes a bottom surface inclined downward toward the melting chamber. A shaft opening dimension is set to an optimum value for controlling the supply of the source iron. A pushing device is disposed at a lower side of the preheating chamber and configured to move the source iron toward the melting chamber. The supply of the source iron from the preheating chamber to the melting chamber is performed by operating the pushing device. The supply of the source iron from the preheating chamber to the melting chamber is stopped by halting the operation of the pushing device.
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