Das, Suchandan K and Mondal, G K and Sau, D C and Bandopadhay, D (2013) A Phenomenological Mathematical Model to Predict the Bosh Silicon Transport Under the Influence of Liquid Hold-up in the Dripping Zone of an Operating Blast Furnace. In: Proceeding of the International Conference on Science and Technology of ironmaking and Steelmaking, December 16-18, 2013, CSIR-NML Jamshedpur.
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A phenomenological mathematical model has been developed to characterize the effect of total liquid hold-up on the bosh silicon distribution behaviour in the dripping zone of the blast furnace. Liquid hold-up analysis has been carried out using established correlations. Two specific cases of hold-up behaviour has been investigated namely, hold-up in the absence of counter current gas and in the presence of counter current gas flow. This incorporates multi-physics nature of the phenomena involving heat and mass transfer, chemical kinetics and dynamics of liquid hold-up in the dripping zone. The present investigation shows that the bosh silicon level diminishes with the enhanced liquid hold-up in the dripping zone. Further, the influence of counter current gas flow on the hold-up is not very significant; however, it has an inverse relationship with the bosh-silicon pick-up under steady state operating conditions. The model predictions (bulk values) have been validated with the published literature and found to be in good agreement.
|Item Type:||Conference or Workshop Item (Paper)|
|Uncontrolled Keywords:||blast furnace, liquid hold-up, bosh silicon, conservation equations, multi-physics coupling.|
|Divisions:||Material Science and Technology|
|Deposited By:||Sahu A K|
|Deposited On:||14 Nov 2014 13:18|
|Last Modified:||14 Nov 2014 13:18|
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