Gas Fired boilers Low NOx

Every ZOZEN gas fired boilers adopt a low NOx burner to meet the low NOx emission requirement. Through the utilization of staged combustion technology, the combustion can be divided into two stages. In the first stage of fuel combustion, with 70-80% supply of combustion air, the fuel is burning under oxygen-deficient condition; In the second stage, sufficient air is supplied to ensure the completeRead More…