| 1 | The Reduction of Thermal Nitrogen Oxides (NOx) Emission Using Staged Combustion in Furnace显示文摘The experimental study described in this paper is to investigated the control of thermal nitrogen oxides emissions from a 2.28 MW gas-fired test furnace.Tests,including changing axial or radial air flow rate.adding cooling water,and adding staged air,were performed to characterize and opimize the fuel-rich burning zone and the fuel-lean burnout zone independently.Detailed measurements of O2,CO2,CO,NOand NOx were made at the fuel-rich burning zone and furnace exit.The influence of forming CO,NO and NOx was examined.Results indicated that adding staged air in the fuel-rich burning zone(75cm from burner)will reduce the maximum NO and NOx emissions.Adding cooling water in a right position may further lower the NO and NOx emissions.In addition,the least formation of thermal nitrogen oxides in the first stage fuel-rich burning zone will occur at the stoichiometric ratio's inverse value ,(φ1)^-1,0.65 to 0.7. | H.K.Ma D.M.Hsieh | 1993 | Journal of Thermal Science1993，2，1： | 1 |
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