METHOD FOR HEATING LIGHTWEIGHT METAL INGOTS
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United States of America Patent
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Issued Date -
May 24, 2012
app pub date -
Jun 14, 2010
filing date -
Jul 3, 2009
priority date (Note) -
Abandoned
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Abstract
A method is described for heating lightweight metal ingots (1), with the lightweight metal ingots (1) being heated in a furnace (2) by hot burner exhaust gases. In order to provide advantageous heating conditions it is proposed that the lightweight metal ingots (1), prior to their heating in the furnace (2), are preheated via at least one preheating apparatus (9) which rests in a planar manner thereon and is supplied by a fluid heat carrier which is heated in heat exchange by the hot exhaust gases from the furnace (2) and is guided in a circuit (7).
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