ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Theoretical Study on an Oxygen Blast Furnace Using Mathematical Simulation Model
Hideyuki YamaokaYasuo Kamei
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1992 Volume 32 Issue 6 Pages 701-708

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Abstract

Theoretical Study was made on the reasonable use of oxygen in the blast furnace to achieve both high productivity and low fuel rate with one dimensional blast furnace mathematical simulation model and following results were obtained.
(1) There exist an optimum oxygen concentration and an optimum flame temperature and the increase of the oxygen concentration straightly results in the increases of fuel rate.
(2) By the combined injection of pulverized coal with the increase of oxygen concentration to control the flame temperature at an optimum value of about 2100°C, both high productivity and low fuel rate can be achieved.

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© The Iron and Steel Institute of Japan
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