MOLTEN PIG IRON MANUFACTURING METHOD
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United States of America
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Nov 7, 2024
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Sep 27, 2022
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Sep 27, 2022
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Abstract
A molten pig iron manufacturing method using a fixed-type DC electric furnace, wherein an auxiliary raw material is supplied to the fixed-type DC electric furnace and molten pig iron having a C concentration of 2 to 4 mass % at a temperature of 1400° C. to 1550° C. is tapped from a tap hole in a state in which a solid iron source is present in the furnace inner peripheral wall space and in a state in which the solid iron source is not present in the upper electrode facing space.
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