2024
DOI: 10.1177/03019233241287696
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Mathematical model of molten iron and slag flow in the hearth

Peng-bo Liu,
Shu-sen Cheng,
Xiao-man Cheng
et al.

Abstract: The stable hearth discharge is crucial for the operation of a blast furnace (BF). This study established a mathematical model for hearth discharge based on Bernoulli's principle, which considers the blast pressure, kinetic energy of molten iron and slag, gravitational potential energy, the pressure loss of molten iron and slag flowing through the deadman and taphole. It is found that the sharp increase of molten iron and slag flow is probably due to the fracture of the mud, while the sharp decrease of molten i… Show more

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