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Patent Searching and Data


Title:
MANUFACTURE OF IRON CARBIDE
Document Type and Number:
Japanese Patent JPH10237521
Kind Code:
A
Abstract:

To provide a manufacturing method of iron carbide difficult to generate free carbon.

The raw iron for steel making mainly consisting of iron oxides and iron hydroxides is reduced and carbonized with a reactive gas mainly consisting of hydrogen and methane to manufacture iron carbide. Generation of free carbon is suppressed by adding stream or carbon dioxide from a piping 7 into a reactor 1 in addition to the reaction gas to be fed from a piping 2 into the reactor 1, according to the quantity of generated free carbon in the fluidized bed type reactor 1, which is measured by a dust meter 9.


Inventors:
Miyashita, Torakatsu
Uchiyama, Yoshio
Inoue, Eiji
Nakatani, Junya
Nakazawa, Teruyuki
Nio, Akio
Application Number:
JP1997000045701
Publication Date:
September 08, 1998
Filing Date:
February 28, 1997
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD
MITSUBISHI CORP
International Classes:
C01B31/30; C21B13/00; C21B15/00; C22B5/12; F27B15/02; (IPC1-7): C21B13/00
Attorney, Agent or Firm:
角田 嘉宏 (外3名)