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In this article, a study of the processes of heat and mass transfer in high-temperature and thermochemically activated reacting flows in a real physicochemical system (turbulent flows with physicochemical transformations in combustion chambers) in three-dimensional geometry using numerical methods was carried out. As a result of computational experiments vector distribution full velocity, temperature fields, fields of concentrations of nitrogen oxides NO over the entire volume of the combustion chamber were obtained and a comparative analysis was carried out for the two boilers. The results obtained allow us to conclude that the use of plasma preparation of a pulverized coal torch for combustion has a positive effect on the process of heat and mass transfer and allows minimizing emissions of harmful substances.

journal of physics. conference series

3D-modelling of Kazakhstan low-grade coal burning in power boilers of thermal power plant with application of plasma gasification and stabilization technologies