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Numerical Simulation of Effects of Different Operational Parameters on the Carbon Solution Loss Ratio of Coke inside Blast Furnace

1
School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
2
Institute of Environmental Engineering and Management, College of Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
3
Baosteel Research Center, No. 889 Fujin Road, Baoshan District, Shanghai 201900, China
*
Authors to whom correspondence should be addressed.
Processes 2019, 7(8), 528; https://doi.org/10.3390/pr7080528
Received: 12 July 2019 / Revised: 3 August 2019 / Accepted: 5 August 2019 / Published: 9 August 2019
(This article belongs to the Special Issue Process Modeling in Pyrometallurgical Engineering)
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Abstract

Carbon solution loss reaction of coke gasification is one of the most important reasons for coke deterioration and degradation in a blast furnace. It also affects the permeability of gas and fluids, as well as stable working conditions. In this paper, a three dimensional model is established based on the operational parameters of blast furnace B in Bayi Steel. The model is then used to calculate the effects of oxygen enrichment, coke oven gas injection, and steel scrap charging on the carbon solution loss ratio of coke in the blast furnace. Results show that the carbon solution loss ratio of coke gasification for blast furnace B is almost 20% since the results of a model are probably only indicative. The oxygen enrichment and the addition of steel scrap can reduce the carbon solution loss ratio with little effect on the working condition. However, coke oven gas injection increases the carbon solution loss ratio. Therefore, coke oven gas should not be injected into the blast furnace unless the quality of the coke is improved. View Full-Text
Keywords: blast furnace; coke; carbon solution loss; numerical simulation blast furnace; coke; carbon solution loss; numerical simulation
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Kou, M.; Zhou, H.; Wang, L.P.; Hong, Z.; Yao, S.; Xu, H.; Wu, S. Numerical Simulation of Effects of Different Operational Parameters on the Carbon Solution Loss Ratio of Coke inside Blast Furnace. Processes 2019, 7, 528.

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