Stable and efficient blast furnace operation with high PCI and low coke rate at Arcelor Mittal Flat Carbon W-Europe

2007 ◽  
Vol 104 (5) ◽  
pp. 221-230 ◽  
Author(s):  
G. Dauwels ◽  
S. Clairay ◽  
E. Hess ◽  
J. Janz ◽  
J. -L. Eymond
Keyword(s):  
Blast Furnace ◽  
Furnace Operation ◽  
Coke Rate ◽  
Blast Furnace Operation

Attempts to replace nut coke with semi-coke for blast furnace ironmaking

2021 ◽  
Vol 118 (3) ◽  
pp. 301
Author(s):  
Qingbo Meng ◽  
Fanyu Meng ◽  
Li Zhan ◽  
Xiuli Xu ◽  
Jianglong Yu ◽  
...  
Keyword(s):  
Blast Furnace ◽  
Mechanical Strength ◽  
Furnace Operation ◽  
High Temperature Strength ◽  
Coke Rate ◽  
Blast Furnace Operation ◽  
Carbon Gasification ◽  
Nut Coke ◽  
Blast Furnace Ironmaking ◽  
Ironmaking Process

Low coke rate for blast furnace operation has been required in response to the rising cost of coking coals. To extend the utilisation of coal resources, semi-coke has been introduced to blast furnace ironmaking process in recent years, however, there are still many issues unclear about the effect of semi-coke on ironmaking process. In this study, the possibilities of using semi-coke as alternative fuel for nut coke were studied. The characteristics of semi-coke including mechanical strength, high-temperature strength/reactivity, carbon gasification as well as direct reduction were studied and compared with small size metallurgical cokes (nut cokes). The results showed that semi-coke has higher CRI values, especially at higher temperatures and in a mix-charging pattern. Semi-coke was found to have a higher gasification reaction rate and depleted at lower temperatures. The reduction results showed that with participating of semi-coke the reaction starts at lower temperatures. In addition, the study suggested that semi-coke exhibits the advantages of low ash and sulphur contents, although it has lower mechanical strength, it would protect the lump coke by shifting the carbon gasification to itself, therefore, mixing semi-coke would benefit the blast furnace operation and lower the coke rate.

Investigation of the Influence of Alkali Circulation on the Blast Furnace Operation

1979 ◽  
Vol 65 (12) ◽  
pp. 1663-1672 ◽  
Author(s):  
Michiharu HATANO ◽  
Tomio MIYAZAKI ◽  
Yuji IWANAGA
Keyword(s):  
Blast Furnace ◽  
Furnace Operation ◽  
Blast Furnace Operation

Optimum Pellet Basicity Desirable for Blast Furnace Operation

2021 ◽  
Author(s):  
Ashish Agrawal ◽  
Dharm Jeet Gavel ◽  
Mahaboob Basha Shaik ◽  
Srinivas Dwarapudi ◽  
Indrajit Paul
Keyword(s):  
Blast Furnace ◽  
Furnace Operation ◽  
Blast Furnace Operation

Experimental Study on Application of Boron Mud Secondary Resource to Oxidized Pellets Production

2017 ◽  
Vol 36 (7) ◽  
pp. 649-655
Author(s):  
Xiao-Jiao Fu ◽  
Man-Sheng Chu ◽  
Jia-Qi Zhao ◽  
Shuang-Yin Chen ◽  
Zheng-Gen Liu ◽  
...  
Keyword(s):  
Experimental Study ◽  
Blast Furnace ◽  
Furnace Operation ◽  
Blast Furnace Operation ◽  
Fundamental Study ◽  
Secondary Resource ◽  
Oxidized Pellets ◽  
Rich Material ◽  
Boron Mud ◽  
Better Than

AbstractIn order to realize comprehensive and massive treatment of boron mud secondary resource, fundamental study on boron mud applied to oxidized pellets production as additive was carried out in the paper under laboratory conditions. The effects of boron mud on the performance of oxidized pellets were investigated systemically, and boron mud was combined with other boron-rich material innovatively. The results showed that, within certain limits, boron mud can improve properties of oxidized pellets. The bentonite content decreased to 0.3 % when adding 1.0 % boron mud additive and the pellets met blast furnace requirements. With the combination additive content 0.8 %, bentonite content can be further decreased to 0.2 %, and the pellets properties were better than base pellet. Therefore, it was an effective way to reduce environmental pollution and optimize blast furnace operation by developing boron mud secondary resource as pellets additive.

Software for decision-making support in blast-furnace operation

2017 ◽  
Vol 47 (8) ◽  
pp. 538-543 ◽  
Author(s):  
V. V. Lavrov ◽  
N. A. Spirin ◽  
I. A. Gurin ◽  
V. Yu. Rybolovlev ◽  
A. V. Krasnobaev
Keyword(s):  
Decision Making ◽  
Blast Furnace ◽  
Furnace Operation ◽  
Blast Furnace Operation ◽  
Decision Making Support
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