Production method of iron carbide
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United States of America Patent
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Jul 24, 2001
Grant Date -
N/A
app pub date -
Aug 24, 1999
filing date -
Feb 28, 1997
priority date (Note) -
Expired
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Abstract
Disclosed is a method for producing iron carbide, in which metallic carbide is difficult to be formed on the inside of heating tubes of a tube-shaped heater for heating reducing gas and carburizing gas to be supplied to a reactor. Carburizing gas which is supplied to reactor 1 is heated in tube-shaped heater 6 by combustion gas used for heating reducing gas and circulating gas, and then a mixture comprising carburizing gas, reducing gas and circulating gas is supplied to reactor 1. Iron-containing raw materials are reduced and carburized in reactor 1.
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