Product Type: Foundry Place of origin: China Price Terms: FOB, CIF Payment Terms: L/C, D/P, T/T Products Information The working theory of Regenerative burner is: Use the special refractory balls to absorb and save the heat energy through the exhausting air. Then when the combustion-supporting air goes through the special balls, it will be heated before go into the furnace chamber, so that to save the fuel for heating cool air. There's about 15%~20% fuel consumption can be saved by this design.