A Preliminary Numerical Simulation of Midrex Reduction Shaft Furnace

XU Hui;ZOU Zongshu;YU Aibing;

Iron and Steel ›› 2008, Vol. 43 ›› Issue (5) : 12-0.

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Iron and Steel ›› 2008, Vol. 43 ›› Issue (5) : 12-0.
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A Preliminary Numerical Simulation of Midrex Reduction Shaft Furnace

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Abstract

Based on the mass and energy balance of gas and solid phases, a onedimensional model of Midrex reduction process was developed. The model was able to satisfactorily reproduce the data from Gilmore Steel Corporated. Calculated results showed that, the temperature difference between solid and gas phases is small in the most part of reduction section of Midrex shaft furnace. The reactions are exothermal in the upper part of 1.18 meter in depth. The performance of the reactor was also analyzed under different temperature of reduction gas,gas flow rate,size of iron ore pellet and productivity of the reactor.

Key words

Midrex / shaft furnace / moving bed / direct reduction iron / numerical simulation

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XU Hui, ZOU Zongshu, YU Aibing. A Preliminary Numerical Simulation of Midrex Reduction Shaft Furnace[J]. Iron and Steel, 2008, 43(5): 12-0

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