Development of an energy efficient curtain flame ignition system for sintering of iron ore fines

V.T. Selvan, T.S. Reddy and A. Das

International Journal of Energy Technology and Policy, 2012, vol. 8, issue 1, 65-79

Abstract: Research and Development Centre for Iron and Steel (RDCIS) of Steel Authority of India Limited (SAIL) has developed a 'curtain flame' ignition system for sinter mix ignition. Conventionally, either horizontal fired burners or top fired or a combination of both are used for ignition of sinter mix. These burners big in size but few in number are mounted on a rectangular box type furnace. This is associated with non-uniform heating of sinter mix. In the new system, small capacity burners are installed on the roof across the sinter bed in a single row. Here, the top layer of the sinter bed gets heated by the direct impingement of the flame. This has resulted in reduction in specific fuel gas consumption by more than 30% and savings in refractory consumption. Implementation of the system led to reduction in green house gas (GHG) emission also.

Keywords: iron ore; sintering; energy efficiency; curtain flame ignition; small capacity burners; energy; emissions reduction; fuel gas consumption; refractory consumption; greenhouse gases; GHG emissions. (search for similar items in EconPapers)
Date: 2012
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