Abstract
The concentration of nitrogen dioxide in the smoke gases from the combustion of fuel in burners with different ways of forming the fuel-air mixture was calculated with the use of empirical procedures. It was shown, that a minimum concentration of nitrogen oxides in smoke gases was at fuel burning in burners with open torches and external mixing incineration calorie fuels. The heating of the combustion air increased the concentration of nitrogen oxides in the combustion products in several times. The extreme dependence of the concentration of nitrogen oxides was obtained in the smoke from the coefficient of the air flow, the critical value of which corresponded to the maximum concentration – 1.16 – 1.17.
Highlights
The concentration of nitrogen dioxide in the smoke gases from the combustion of fuel in burners with different ways of forming the fuel-air mixture was calculated with the use of empirical procedures
That a minimum concentration of nitrogen oxides in smoke gases was at fuel burning in burners with open torches and external mixing incineration calorie fuels
The heating of the combustion air increased the concentration of nitrogen oxides in the combustion products in several times
Summary
Герцык С.И.1, к.т.н., доцент кафедры «Технология и оборудование металлургического производства» (gertsyk@mail.ru ) Для оценки величины концентрации оксидов азота в продуктах горения топлива, используемого в топливосжигающих устройствах печных агрегатов, были рассмотрены две методики, с помощью которых можно оценить степень «загрязнения» дымовых газов оксидами азота при сжигании газообразного топлива в горелочных устройствах различных конструкций с разными способами формирования топливовоздушной смеси.
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