Operational results for high pulverized coal injection rate at Kimitsu No. 3 blast furnace

1996 ◽  
Vol 37 (3) ◽  
pp. 212
Author(s):  
H. Ueno
2014 ◽  
Vol 875-877 ◽  
pp. 1138-1142
Author(s):  
Fu Ming Zhang ◽  
Chao Zhen Cao ◽  
Xiang Long Meng ◽  
Lin Li

The present status and challenges of blast furnace (BF) ironmaking technology are analyzed, and the developing targets of the contemporary BF ironmaking process are mentioned. The significance and function of high blast temperature and oxygen enriched-pulverized coal injection for BF are described. The key technologies of high blast temperature is discussed and evaluated emphatically. Promoting blast temperature and improving oxygen enrichment ratio, as well as enhancing pulverized coal injection rate which are important guarantee for saving fuel consumption, reducing operation cost, and realizing sustainable development. There are broad developing prospects of contemporary BF process under the condition of high blast temperature and low fuel ratio ironmaking technologies are applied.


1994 ◽  
Vol 91 (3) ◽  
pp. 431-438
Author(s):  
Y. Yamagata ◽  
T. Nakaya ◽  
T. Okuda ◽  
R. Ono ◽  
T. Goto ◽  
...  

Author(s):  
Mingyan Gu ◽  
Zumao Chen ◽  
Naresh K. Selvarasu ◽  
D. Huang ◽  
Pinakin Chaubal ◽  
...  

A three-dimensional multiphase CFD model using an Eulerian approach is developed to simulate the process of pulverized coal injection into a blast furnace. The model provides the detailed fields of fluid flow velocity, temperatures, and compositions, as well as coal mass distributions during the devolatilization and combustion of the coal. This paper focuses on coal devolatilization and combustion in the space before entering the raceway of the blast furnace. Parametric studies have been conducted to investigate the effect of coal properties and injection operations.


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