Apparatus for the direct reduction of iron in a shaft furnace using gas from coal
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United States of America Patent
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-
Dec 28, 1982
Issued Date -
N/A
app pub date -
Oct 5, 1981
filing date -
Sep 15, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for the direct reduction of iron in a shaft furnace using gas from the gasification of solid fossil fuel, such as coal, in which the fuel gas is desulfurized and upgraded in the shaft furnace and direct reduction of iron oxide is carried out in the same furnace. Clean export fuel can be produced by this method along with direct reduced iron. The apparatus includes means for controlling the temperature of the process gas entering the furnace.
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