Dead-man behavior in the blast furnace hearth—A brief review

Lei Shao, Qilin Xiao, Chengbo Zhang, Zhongshu Zou, Henrik Saxén*

*Corresponding author for this work

Research output: Contribution to journalReview Article or Literature Reviewpeer-review

11 Citations (Scopus)
42 Downloads (Pure)


The blast furnace campaign length is today usually restricted by the hearth life, which is strongly related to the drainage and behavior of the coke bed in the hearth, usually referred to as the dead man. Because the hearth is inaccessible and the conditions are complex, knowledge and understanding of the state of the dead man are still limited compared to other parts of the blast furnace process. Since a number of publications have studied different aspects of the dead man in the literature, the purpose of the current review is to compile the findings and knowledge in a comprehensive document. We mainly focus on contributions with respect to the dead man state, and those assessing its influence on the hearth performance in terms of liquid flow patterns, lining wear and drainage behavior. A set of common modeling approaches in this specific furnace area is also briefly presented. The aim of the review is also to deepen the understanding and stimulate further research on open questions related to the dead man in the blast furnace hearth.

Original languageEnglish
Article number1335
Number of pages16
Issue number11
Publication statusPublished - 22 Oct 2020
MoE publication typeA2 Review article in a scientific journal


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