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izvor podataka: crosbi

Numerical Analysis of Cement Calciner Fuel Efficiency and Pollutant Emissions (CROSBI ID 191904)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Mikulčić, Hrvoje ; von Berg, Eberhard ; Vujanović, Milan ; Priesching, Peter ; Tatschl, Reinhard ; Duić, Neven Numerical Analysis of Cement Calciner Fuel Efficiency and Pollutant Emissions // Clean technologies and environmental policy, 15 (2013), 3; 489-499. doi: 10.1007/s10098-013-0607-5

Podaci o odgovornosti

Mikulčić, Hrvoje ; von Berg, Eberhard ; Vujanović, Milan ; Priesching, Peter ; Tatschl, Reinhard ; Duić, Neven

engleski

Numerical Analysis of Cement Calciner Fuel Efficiency and Pollutant Emissions

Efficient mixing of pulverized fuel and limestone particles inside cement calciners is important due to the reason that the calcination process directly affects the final fuel consumption. The focus of this paper is on the numerical analysis of cement calciner’s operating conditions and pollutant emissions. The paper analyzes the influence of different amounts of fuel, mass flow of the tertiary air and the adiabatic wall condition on the decomposition rate of limestone particles, burnout rate of coal particles, and pollutant emissions of a newly designed cement calciner. Numerical models of calcination process and pulverized coal combustion were developed and implemented into a commercial computational fluid dynamics code, which was then used for the analysis. This code was used to simulate turbulent flow field, interaction of particles with the gas phase, temperature field, and concentrations of the reactants and products, by solving the set of conservation equations for mass, momentum and enthalpy that govern these processes. A three dimensional geometry of a real industrial cement calciner was used for numerical simulations. The results gained by these numerical simulations can be used for the optimization of cement calciner’s operating conditions, and for the reducing of its pollutant emissions.

numerical modelling; cement calciner; fuel efficiency; pollutant emissions; calcination process

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Podaci o izdanju

15 (3)

2013.

489-499

objavljeno

1618-954X

10.1007/s10098-013-0607-5

Povezanost rada

Strojarstvo

Poveznice
Indeksiranost