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Patent Searching and Data


Title:
PRODUCTION METHOD OF IRON CARBIDE
Document Type and Number:
WIPO Patent Application WO/1998/038342
Kind Code:
A1
Abstract:
A production method of iron carbide for preventing easy formation of free carbon by reducing and carbonizing an iron-containing raw material for iron production by a reaction gas consisting primarily of hydrogen and methane, comprising the step of adding a steam or carbon dioxide from a piping (7) into a fluidized bed type reactor (1), in addition to a reaction gas supplied from a piping (2) into the reactor (1), in accordance with the generated quantity of free carbon inside the reactor (1) measured by a dust meter (9) so as to suppress the generation of free carbon.

Inventors:
MIYASHITA TORAKATSU (JP)
UCHIYAMA YOSHIO (JP)
INOUE EIJI (JP)
NAKATANI JUNYA (JP)
NAKAZAWA TERUYUKI (JP)
NIO AKIO (JP)
Application Number:
PCT/JP1998/000789
Publication Date:
September 03, 1998
Filing Date:
February 25, 1998
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
MITSUBISHI CORP (JP)
MIYASHITA TORAKATSU (JP)
UCHIYAMA YOSHIO (JP)
INOUE EIJI (JP)
NAKATANI JUNYA (JP)
NAKAZAWA TERUYUKI (JP)
NIO AKIO (JP)
International Classes:
C01B31/30; C21B13/00; C21B15/00; C22B5/12; F27B15/02; (IPC1-7): C21B15/00; C01B31/30
Foreign References:
JPH0948604A1997-02-18
JPH08245212A1996-09-24
Attorney, Agent or Firm:
Sumida, Yoshihiro (3rd floor 123-1, Higashimachi, Chuo-k, Kobe-shi Hyogo, JP)
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