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| Title: | Thermodynamic analysis of an electric arc furnance | Authors: | Ho, J.C. Chandratilleke, T.T. |
Keywords: | Arc furnace Energy conservation Recovery Scrap charging Scrap iron Scrap preheating Steel Thermodynamic efficiencies Thermodynamics analysis |
Issue Date: | 1991 | Citation: | Ho, J.C.,Chandratilleke, T.T. (1991). Thermodynamic analysis of an electric arc furnance. Energy Conversion and Management 31 (2) : 179-186. ScholarBank@NUS Repository. | Abstract: | A thermodynamic analysis was performed on a 44-tonne capacity electric arc furnace. The results obtained showed that this process of billet steel manufacture from scrap iron has a specific energy consumption of 520 kWh/tonne of billet steel. First- and second-law efficiencies, based on electric energy input, were 84.7 and 58.6%, respectively. Modified first- and second-law efficiencies which considered the chemical energy from exothermic reactions as inherent energy input were 54.9 and 36.3%, respectively. Several areas in the production process were examined for the purpose of energy conservation and production cost reduction. The scrap charging and preheating sub-processes offered potential for energy saving for the steel mill. © 1991. | Source Title: | Energy Conversion and Management | URI: | http://scholarbank.nus.edu.sg/handle/10635/58826 | ISSN: | 01968904 |
| Appears in Collections: | Staff Publications |
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