How to reduce the nitrogen oxides in the gas-fired boiler?
The reduction of nitrogen oxides in gas-fired boilers is mainly achieved by burners and increasing the furnace size of boilers. In order to help enterprises save costs and reduce nitrogen oxides in gas-fired boilers, low-nitrogen transformation can be realized by configuring appropriate low-nitrogen burners and staged combustion technology plus the flue gas internal circulation technology, and the emission can be controlled to be less than 30 mg/m3. At present, the low nitrogen transformation plan is as follows:
FGR technology (flue gas recirculation), which is self-circulating burner. For natural gas-fired boiler, the mainstream mature low nitrogen emission technology is staged combustion and flue gas recirculation.
In view of the problem of reducing nitrogen oxides in gas-fired boilers, an ultra-low nitrogen burner is adopted to reduce the excessive coefficient of cold air entering the boiler to the lowest possible level, finally, it will reduce the heat loss and achieve the energy conservation and environmental protection.
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SZS series gas-fired (oil-fired) steam boilerLive Chat2-110 t/h1.25-5.3 MPa
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WNS series gas-fired (oil-fired) steam boilerLive Chat1-20 t/h0.7-2 MPa
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WNS series gas-fired (oil-fired) hot water boilerLive Chat0.7-14 MW0.7-1.25 MPa
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