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Numerical Modeling of Solid and Gaseous Fuel Combustion in the TP-14A Boiler Furnace to Reduce PCDD/F and Greenhouse Gas Emissions

Zheltukhina Elizaveta, Ziganshin Malik G.

Rocznik Ochrona Środowiska

2021

Tom 23

503--512

The issues related to the emission of atmospheric pollutants during the provision of energy supply services and the circulation of household waste in settlements are considered. The ways of air pollution by toxic compounds and the formation of greenhouse gases with existing methods of waste heat treatment are analyzed. The issues of reducing the content of toxic emissions in combustion products are studied on the basis of a numerical experiment by means of computational fluid dynamics (CFD). The combustion processes in the power boiler TP-14A (E 220/100) are considered and adequate boundary conditions for the processes of aerodynamics, heat transfer and combustion of gas fuel are determined. The temperature, velocity and concentration fields in the furnace of the investigated boiler have been determined. According to the results of the calculations performed, the formation of chemical underburning and nitrogen oxides is predicted.