Abstract

The main concern of our paper is heat recovery from the processing in the iron melting industry. A great quantity of heat is lost through the fourth hole of scrap iron melting electrical furnaces. A quantitative analysis on the heat loss by a study of the temperature profile of the flue gas from a working furnace has been achieved. Different solutions for heat recovery are proposed. Furthermore a discussion on the preheating of scrap and an assessment on the energy economy through that solution are presented. The obtained results encourage further development of the study by means of a pilot plant appropriately designed.

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