Method of producing a reduced metal, and traveling hearth furnace for producing same
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United States of America Patent
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Oct 3, 2000
Grant Date -
N/A
app pub date -
Mar 29, 1999
filing date -
Feb 3, 1999
priority date (Note) -
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Abstract
Producing reduced metal by charging and stacking a raw material containing a metal-containing material and a solid reducing material on a horizontally moving hearth of a traveling hearth furnace, by disposing a solid reducing material layer on the hearth, forming concave portions at the solid reducing material surface, stacking the raw material on the surface of the solid reducing material layer, reducing raw material by at least once heating and melting the material on the hearth to separate metal and gangue and ash ingredients, and discharging metal from the hearth.
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