Fuel consumption and reduction kinetics in blast furnaces

被引：2

作者：

Korshikov G.V. ^{[1
]}

Titov V.N. ^{[2
]}

Mikhailov V.G. ^{[1
]}

Karpov A.V. ^{[1
]}

机构：

[1] Lipetsk State Technical University, Lipetsk

[2] NLMK, Lipetsk

来源：

Steel in Translation | 2016年 / 46卷 / 02期

关键词：

blast furnace; hearth gas; mineral oxygen; productivity; reducing potential; reduction rate; smelting rate;

D O I：

10.3103/S0967091216020078

中图分类号：

学科分类号：

摘要：

Statistical analysis of blast-furnace performance at NLMK between 2009 and 2014 reveals the thermodynamic and kinetic behavior of the reduction process. A method is developed for calculating the reducing potential of the hearth gas and for quantitative estimation of its utilization and the reaction rate. With the attainable productivity of 2.4–2.9 t/m day and fuel consumption 400–420 kg/t (in terms of total carbon), the properties of the hearth gases are sufficient to ensure near-optimal (around 70%) indirect reduction of Fe, but insufficient for batch heating in the shaft to the temperatures required for intense reduction. © 2016, Allerton Press, Inc.

引用

页码：125 / 131

页数：6

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