Ranganathan, S and Sen, P K and Mishra, S N and Mishra, R (1999) Application of thermo-chemical analysis to control the recovery of silicon during the production of ferro-chromium in submerged-arc furnace. Icarism '99: proceedings of the international conference on alternative routes of iron and steelmaking, 99 (3). pp. 277-279.
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Control of silicon in produced through the submerged-are furnace can result in reduced power and coke consumption in addition to improving the quality of the hot metal. A thermo-chemical analysis of the production of ferro-chromium was carried out to devise strategies to control the recovery of silicon during the manufacture of ferro-chromium. The presence of three thermochemical zones in the furnace with respect to the reduction of silica was recognised from this analysis. Any strategy for the control of silicon recovery has to take cognizance of these thermochemical zones. The effect of various strategies on the silicon level in the hot metal have been evaluated. Possible strategies, such as the reduction of coke level in the charge; the replacement of quartz; pre-reduction of the ore and the control of the temperature profile are discussed in this paper.
|Uncontrolled Keywords:||SI System; Prereduction|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Sahu A K|
|Deposited On:||22 Jun 2010 17:43|
|Last Modified:||08 Feb 2012 14:12|
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