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Full-Text Articles in Social and Behavioral Sciences
Blast Furnace Hearth Refractory And Coke Ash Mineral Interactions, P B. Drain, M W. Chapman, R J. Nightingale, B J. Monaghan
Blast Furnace Hearth Refractory And Coke Ash Mineral Interactions, P B. Drain, M W. Chapman, R J. Nightingale, B J. Monaghan
Brian Monaghan
In the blast furnace hearth the calcium aluminate by-products of coke dissolution can react with the hearth refractories. Reactions between these coke ash minerals and the aluminosilicate and alumina-carbon hearth refractories may result in increased refractory wear reducing the blast furnace campaign life. Hence improved understanding of these interactions may have implications for the campaign life of the blast furnace hearth refractory materials. The interactions between the coke ash minerals and aluminosilicate hearth refractory have been assessed by heating samples of calcium aluminates (CA, CA2 & CA6) coupled with aluminosilicate refractory to temperatures representative of the blast furnace hearth (1450 …
Flow Of Molten Slag Through Coke Channels, Hazem Labib George, Brian Joseph Monaghan, Raymond James Longbottom, Sheng Jason Chew, Peter Richard Austin
Flow Of Molten Slag Through Coke Channels, Hazem Labib George, Brian Joseph Monaghan, Raymond James Longbottom, Sheng Jason Chew, Peter Richard Austin
Brian Monaghan
In the lower zone of the iron making blast furnace, liquid iron and slag descend counter-current to reducing gases through a packed bed of coke. The characteristics of the flow of these liquids and their holdup influence product quality and furnace operation. The present study aimed to establish the criteria for the passage of slag through the narrow pore necks that form between coke particles. The flow of slag through coke pore necks has been simulated using an experimental technique that assesses slag flow from a funnel entering a narrow channel of known diameter. Synthetic coke was mainly used to …