Compared with traditional aluminum melting furnaces, regenerative aluminum melting furnaces greatly save fuel and flue gas. It injects high-temperature air into the furnace to maintain a low-oxygen state, and at the same time transports fuel into the airflow to produce combustion. The air temperature is preheated to above 800~1000℃, and the oxygen content of the air in the combustion zone is 21%~2%. Compared with the traditional combustion process, the biggest feature of high-temperature air combustion is fuel saving, reduced CO2 and NOx emissions, and reduced combustion noise.

When one of the burners is burning, part of the combustion products are drawn away by the other one, and the heat of the combustion products is absorbed by the heat storage medium when passing through the heat storage tank; the remaining combustion product gas is still discharged through the flue of the furnace. In about 40 seconds, the two burners switch the operation mode. The special thing is that the two burners are opposite to each other in the specific application process. The ideal state is that the burner on one side of the heating furnace is burning while the corresponding other side is exhausting. After one burner burns for 2 seconds, the other burner starts working.

The burner itself has a burner brick structure, and there is no need to open additional holes on the furnace wall of the regenerative aluminum melting furnace. The optimized size design of the burner brick strengthens the recirculation of flue gas, thereby further reducing the generation of NOx; the guide baffle design ensures stable combustion, can block the radiation from the furnace in the high-temperature gap heat storage state, and fix the gas nozzle.