Regenerative combustion burner (RCB) is a kind of burner that recovers heat from kiln flue gas through heat storage body to preheat air, so as to achieve the purpose of alternating combustion and uniform heating. It is mainly used in industrial gas heating field, and is famous for low NOx emission and high combustion thermal efficiency.

Thermal efficiency characteristics of regenerative burner

The thermal efficiency of regenerative burner is very high, which is mainly due to its unique design and working principle. The following are the characteristics of thermal efficiency of regenerative burner:

Significant energy-saving effects: With the adoption of regenerative burner technology, flue gas temperatures can be reduced to below 150℃, and combustion air can be preheated to 100~150℃ lower than the flue gas temperature inside the furnace. This maximizes the recovery of flue gas residual heat, achieving substantial energy savings. Typically, the energy-saving effect ranges from 10% to 70%.

Improved combustion efficiency: Regenerative burners can improve combustion efficiency, reportedly by up to 90%.

The thermal efficiency can reach more than 70%: in some applications, such as the use of regenerative burner on the heating furnace, the exhaust temperature can be reduced to 130-180℃, and the combustion air temperature can be preheated to more than 800-1000℃, the thermal efficiency can reach more than 70%.

Reduce NOx emissions: regenerative burner not only improves thermal efficiency, but also can greatly reduce the generation of NOx, because the formation of nitrogen oxides can be reduced by organizing oxygen-poor combustion.

To sum up, regenerative burners can achieve significant energy saving and combustion efficiency in the field of industrial gas heating due to their efficient heat recovery and preheating air ability.