engleski

Plasma Supported Solid Fuel Combustion. Numerical Simulation and Full-Scale Trials

Plasma supported coal combustion is promising technology for use in thermal power plants (TPP). The realisation of this technology comprises two main steps. The first is the execution of a numerical simulation and the second involves fullscale trials of plasma supported coal combustion through plasma-fuel systems (PFS) mounted on a TPP boiler. For both the numerical simulation and the fullscale trials, the boiler of 200 MW power of Gusinoozersk TPP (Russia) was selected. The optimisation of the combustion of low-rank coals using plasma technology is described, together with the potential of this technology for the general optimisation of the coal burning process. Numerical simulation and fullscale trials have enabled technological recommendations for improvement of existing conventional TPP to be made. In summary, it is concluded that the developed and industrially tested PFS improve coal combustion efficiency and decrease harmful emission from pulverised coal fired thermal power plants.

Coal combustion, coal thermo chemical preparation, plasma-fuel system, simulation, full-scale experiment

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