Patent ID: 6495092
Filing Date: 2002-12-17
Classification: F23L,F27B,Y02E

Abstract:
A combustion apparatus comprising:at least one pair of burner groups; wherein each burner group consists essentially of a plurality of burners and one regenerator for the plurality of burners; wherein in each pair of burner groups, a first burner group and a second burner group are adapted to be fired alternately; wherein waste heat produced when said first burner group is fired is stored in the one regenerator of the second burner group and said stored waste heat is utilized to preheat combustion air of said second burner group when said second burner group is fired; wherein waste heat produced when said second burner group is fired is stored in the one regenerator of the first burner group and said stored waste heat is utilized to preheat combustion air of said first burner group when said first burner group is fired; and wherein a regulating valve for controlling a volume of combustion air is installed on a side of each burner.