Energy audit of a steel mill

J.C. Ho, S.K. Chou and T.T. Chandratilleke

Energy, 1991, vol. 16, issue 7, 1021-1029

Abstract: We present an audit of energy use at a steel mill in Singapore which produces wire rods and bars from scrap iron using the arc furnace process. The audit shows that the specific energy consumption is 1095 kWh/t of rolled steel. The electric arc furnaces and the reheat furnaces are the major energy consumers, having specific energy consumption of 502 and 342 kWh/t; their thermal efficiencies are 50 and 62%, respectively. Scrap preheating of the third charge, optimizing the reheat furnace production rates, and recovery of furnace waste heat to preheat fuel oil offer potential for substantial energy savings.

Date: 1991
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:16:y:1991:i:7:p:1021-1029

DOI: 10.1016/0360-5442(91)90062-Q

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