20120021367 | Alternating Regenerative Furnace and Process of Operating Same - Alternating regenerative furnace and process of operating an alternating regenerative furnace, in which during the transition phase in which the respective regenerators switch between heat-recovery mode and pre-heating mode and vice-versa, the regenerator or regenerators which before the transition phase were in heat-recovery mode inject a mixture of flue gas and oxygen-containing gas into the combustion chamber of the furnace, which mixture combusts with fuel injected into the combustion chamber to produce heat. | 01-26-2012 |