Abstract
The coke used in the ironmaking must guarantee a certain characteristics as a good resistance to compression at high temperature, an acceptable resistance to compression at room temperature, a suitable porosity to favor the kinetics of the Boudouard gasification reaction and a high resistance to abrasion and wear with the purpose of resisting the friction with the refractory lining, with the ferric charge and with the rest of the coke in the furnace. The materials entering the iron blast furnace consist of iron ore, the flux (limestone), the fuel (nearly always coke), and the air blown through the tuyeres, the ore and the flux without the fuel is sometimes termed the “burden”. In this chapter, we describe the main indices that represent the quality of the coke used in the blast furnace. Additionally, the technologies of coking are described in this chapter, and all the information is complemented with solved exercises.
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Verdeja González, J.I., Fernández González, D., Verdeja González, L.F. (2020). Ironmaking Coke. In: Operations and Basic Processes in Ironmaking. Topics in Mining, Metallurgy and Materials Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-54606-9_4
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DOI: https://doi.org/10.1007/978-3-030-54606-9_4
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