Determining the gas trajectory in blast-furnace injection of pulverized coal

被引：0
|
作者：
Lyalyuk V.P. [1 ]
Tarakanov A.K. [2 ]
Kassim D.A. [1 ]
Otorvin P.I. [3 ]
Pinchuk D.V. [3 ]
机构：
[1] Krivoi Rog Metallurgical Institute, Ukrainian National Metallurgical Academy, Krivoi Rog
[2] Ukrainian National Metallurgical Academy, Dnepr
[3] PAO ArcelorMittal Krivoi Rog, Krivoi Rog
来源：
Steel in Translation | 2017年 / 47卷 / 4期
关键词：
blast; blast furnace; hearth gas; natural gas; pulverized coal; total energy;
D O I：
10.3103/S0967091217040088
中图分类号：
学科分类号：
摘要：
A method is outlined for determining the gas trajectory from the blast-furnace tuyere. The change in the trajectory on switching from natural-gas injection to pulverized-coal injection is considered. With the same rate of coke consumption in the furnace, switching to pulverized-coal injection intensifies the peripheral gas flow. This may be eliminated by restoring the optimal total energy of the blast and the hearth gas. © 2017, Allerton Press, Inc.
引用
收藏
页码：257 / 262
页数：5
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