Process and apparatus for producing iron carbide
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United States of America Patent
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-
Jan 14, 2003
Grant Date -
Dec 6, 2001
app pub date -
Mar 31, 1999
filing date -
Jan 13, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Iron carbide is produced by an apparatus comprising first fluidized bed reactor 4 and second fluidized bed reactor 5, wherein the charged grainy iron oxide is reduced and carburized by the high temperature and high pressure gas being introduced from the bottom of the reactor. Both fluidized bed reactors comprise chamber 23 for introducing gas into the reactor, distribution plate 27 having multiple gas-introducing nozzles 28, partition plate 26 partitioning the fluidized bed into plural division rooms, and gas supply inlet 25a, 25b arranged on chamber 23 for supplying gas to specific division room respectively. Each gas supply inlet is connected to gas supply line having a gas flow control valve for controlling gas pressure or gas flow rate.
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