Title:
海綿金属製造方法
Document Type and Number:
Japanese Patent JP4249259
Kind Code:
B2
Abstract:
A method for producing a sponge metal from metal ore or iron ore which comprises reacting said metal ore or iron ore in a reduction zone with a CO- and H2-containing, reducing feed gas source which has been compressed, and after said reaction, withdrawing the remaining feed gas as an export gas from the reduction zone, wherein the CO- and H2-containing feed gas is introduced into the reduction zone form at least to gas sources, whereby upon a breakdown of one of the feed gas sources, at least a portion of the export gas recovered from the reduction zone is compressed, subjected to CO2 elimination recycled to the reduction zone together with the reducing feed gas.
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Inventors:
Boom, Johannes
Application Number:
JP53124897A
Publication Date:
April 02, 2009
Filing Date:
March 03, 1997
Export Citation:
Assignee:
Voest-Arpine Industrie Ann Lagenbau Gamebehr
International Classes:
C21B13/14
Domestic Patent References:
| JP53062718A | ||||
| JP63047307A | ||||
| JP52086914A |
Foreign References:
| WO1996000302A1 |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Takashi Watanabe