Research on Influence Law of Fuel Structure for Low-FeO Sintering

Miao Lian Bian; Sheng Li Wu; Qing Feng Wang

doi:10.4028/www.scientific.net/AMR.201-203.1802

Paper Titles

Research on High-Temperature Properties of Typical Iron Ores Used in China and its Blending Optimization
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Densification of Vanadium Nitride by Microwave-Assisted Carbothermal Nitridation
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Research and Application on Burden Movement Model for Bell-Less Top of BF
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Circumferential Distribution Characteristics of Airflow in Blast Furnace Hot Blast Systems
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Research on Influence Law of Fuel Structure for Low-FeO Sintering
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New Evaluation Index of Blast Furnace Raceway Activity
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Effect of Mechanical Activation on Extracting Indium from Neutral Leach Residue of Zinc Calcine
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Study on Process of Microwave Magnetizing Roast for Low-Grade Hematite
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 201-203Research on Influence Law of Fuel Structure for...

Research on Influence Law of Fuel Structure for Low-FeO Sintering

Abstract:

Micro–sintering equipment was applied to simulate sintering process of iron ore. FeO content of sinter-samples under different fuel structures was measured, and then the effect of fuel structure on fluidity of liquid phase and strength of bonding phase were analyzed in this paper. The proper fuel structure was finally discussed under low FeO sintering condition. The results show that: when anthracite was adopted as partial substitution of coke breeze as part of solid fuel, FeO of sinter reduces and self-strength of bonding phase increases. Although fluidity of liquid phase reduces, the fluidity index it is still above 0.8, which can meet the liquid volume needed for sintering. When CDQ powder is used as part of solid fuel, FeO of sinter also reduces, but fluidity of liquid phase and self-strength of bonding phase reduce a little due to its low combustibility. Taking experimental results and practical production together into account, it can be concluded that proper fuel structure that meets low FeO sintering should be “70% coke+30% anthracite”.

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Periodical:

Advanced Materials Research (Volumes 201-203)

Pages:

1802-1805

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.201-203.1802

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Online since:

February 2011

Authors:

Miao Lian Bian, Sheng Li Wu, Qing Feng Wang

Keywords:

Fluidity of Liquid Phase, Fuel Structure, Low-FeO Sintering, Self-Strength of Bonding Phase

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