Shifting the limits of nut coke use in the ironmaking blast furnace
A fundamental study on the behaviour of ferrous raw material bed mixed with nut coke
D.J. Gavel (TU Delft - (OLD) MSE-3)
Y Yang – Promotor (TU Delft - (OLD) MSE-3)
Jilt Sietsma – Promotor (TU Delft - Materials Science and Engineering)
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Abstract
The principal objective of this work is to understand the physicochemical behaviour of the ferrous raw material (pellet and/or sinter) bed mixed with nut coke under the blast furnace conditions. To investigate this behaviour, a specially designed blast furnace simulator called the Reduction Softening and Melting (RSM) apparatus is utilised (Chapter 3). In the RSM, blast furnace conditions of gas (varying profile of CO-CO2-H2-N2 gas mixture), load and temperature (20-1550 oC) were simulated for a stationary raw materials bed.