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Technological indicators of operation of the rotating-hearth furnace in conditions of discontinued production

By L. Lazić, M. Kundak, P. Jelić and J. Črnko


Quality heating of the steel charge to be rolled into seamless tubes in the rotating-hearth furnace requires continuous operation of the pilger mill. Interruption of the charging schedule leads to impaired charge heating process. Prolonged heating time causes a rise in the charge temperature above the limit values, and that in turn brings to a larger quantity of scale formed on the charge surface. Final result is loss of metal and overheating of the charge accompanied by increased fuel consumption and lower furnace productivity

Topics: rotating-hearth furnace, furnace productivity, specific fuel consumption, Mining engineering. Metallurgy, TN1-997
Publisher: Croatian Metallurgical Society
Year: 2008
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