Combustion apparatus and melting furnace for nonferrous metals
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United States of America Patent
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Dec 17, 2002
Grant Date -
N/A
app pub date -
Jun 21, 2000
filing date -
Jun 25, 1999
priority date (Note) -
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Abstract
A combustion apparatus comprises a pair or more than two pairs of burner groups. Each burner group comprises one regenerator per a plurality of burners. In each pair of burner groups, a first burner group and a second burner group are fired alternately and waste heat produced when the first burner group is fired is stored in a regenerator of the second burner group. The stored waste heat is utilized to preheat the combustion air of the second burner group when the second burner group is fired. Similarly, waste heat produced when the second burner group is fired is stored in a regenerator of the first burner group, and the stored waste heat is utilized to preheat the combustion air of the first burner group when the first burner group is fired.
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