Computational modeling of pollutants in furnaces of pulverized coal boilers of the republic of Kazakhstan
Askarova A. Georgiev A. Bolegenova S. Beketayeva M. Maximov V. Bolegenova S.
1 November 2022Elsevier Ltd
Energy
2022#258
Ecological situation in the world has forced to close coal plants. And renewable energy sources, which are characterized by volatility, maynt be enough to provide countries with energy, so transition to “green energy” will be difficult. Kazakhstans energy industry will gradually switch from coal to gas so that emissions correspond to European standards, but coal will remain the main fuel for the time being due to its cheapness. In this regard power units of energy plants require creating and mastering of new environmentally friendly coal technologies to reduce the negative impact on the environment. Pollutants formation depends on fuel type and conditions of burning. Thus a detailed study of the heat-mass transfer processes in combustion system is relevant. In proposed work, computational modelling of pollutants formation during burning of low-grade coal (A∼40%) was carried out. Proposed work is aimed at defining of the new physical, mathematical and chemical models, which were adapted and implemented into the CFD code. The results of the study showed a good correspondence of the numerical experiment with natural data. The proposed model can be useful in any energy systems running on low-grade fuel to obtain relevant data that contribute to the control of environmental pollution.
Clean” technologies , Ecology , Energy , High-ash coal , Minimization of dust and gas emissions , Numerical experiment
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ETP SRI of Al-Farabi Kazakh National University, Al-Farabi Av., 71, Almaty, 050040, Kazakhstan
Technical University of Sofia, Department of Mechanics, 25 Tsanko Diustabanov St, Plovdiv, 4000, Bulgaria
Al-Farabi Kazakh National University, Department of Thermal Physics and Technical Physics, Al-Farabi Av., 71, Almaty, 050040, Kazakhstan
Institute of Chemical Engineering at the Bulgarian Academy of Sciences, Acad. G. Bonchev Str. Bl.103, Sofia, 1113, Bulgaria
ETP SRI of Al-Farabi Kazakh National University
Technical University of Sofia
Al-Farabi Kazakh National University
Institute of Chemical Engineering at the Bulgarian Academy of Sciences
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