Molten iron refining method and device thereof
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United States of America Patent
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Sep 18, 2018
Grant Date -
Jun 30, 2016
app pub date -
Sep 25, 2013
filing date -
Aug 7, 2013
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Abstract
Provided are a molten metal refining device and method. The molten metal refining method includes: preparing molten metal; dipping an impeller into the molten metal; supplying a liquid dephosphorization agent on top of the molten metal; and stirring the molten metal by rotating the impeller, wherein a solid dephosphorization agent in a powder state is supplied through the lower portion of the impeller in the stirring of the molten metal, thereby improving the stirring efficiency of the molten metal and efficiently controlling the phosphorus concentration in the molten metal.
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