Comparison the Physico-Chemical Model of Ferrosilicon Smelting Process with Results Observations of the Process under the Industrial Conditions

• Autorzy: Machulec B. , Bialik W.

Identyfikatory

DOI

10.1515/amm-2016-0050

• Języki publikacji: EN

Abstrakty

EN

Based on the minimum Gibbs Free Enthalpy algorithm (FEM), model of the ferrosilicon smelting process has been presented. It is a system of two closed isothermal reactors: an upper one with a lower temperature T₁, and a lower one with a higher temperature T₂. Between the reactors and the environment as well as between the reactors inside the system, a periodical exchange of mass occurs at the moments when the equilibrium state is reached. The condensed products of chemical reactions move from the top to the bottom, and the gas phase components move in the opposite direction. It can be assumed that in the model, the Reactor 1 corresponds to the charge zone of submerged arc furnace where heat is released as a result of resistive heating, and the Reactor 2 corresponds to the zones of the furnace where heat is produced by electric arc. Using the model, a series of calculations was performed for the Fe-Si-O-C system and was determined the influence of temperatures T₁, T₂ on the process. The calculation results show a good agreement model with the real ferrosilicon process. It allows for the determination of the effects of temperature conditions in charge zones and arc zones of the ferrosilicon furnace on the carbothermic silica reduction process. This allows for an explanation of many characteristic states in the ferrosilicon smelting process.

Słowa kluczowe

EN

ferrosilicon; model; equilibrium; FEM; submerged-arc furnace

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 1
• Strony: 265--270
• Opis fizyczny: Bibliogr. 5 poz., rys., schem., tab., wykr., wzory

Twórcy

autor

Machulec B.

• Silesian University of Technology, Department of Engineering Production(1), 8 Str. Krasińskiego, 40-019 Katowice, Poland

autor

Bialik W.

• Silesian University of Technology, Institute of Metals Technology, 8 Str. Krasińskiego, 40-019 Katowice, Poland

Bibliografia

• [1] A. J. Schei, Kr. Tuset, H. Tveit, Production of High Silicon Alloys, Trondheim (1998).
• [2] N. K. Batra, Iron and Steelmaking 39, 5, 399-404 (2003).
• [3] G. Eriksson, T. Johansson, Scandinavian Journal of Metallurgy 7, 264-270 (1978).
• [4] B. Machulec, W. Bialik, Solid State Phenomena 212, 183-186, (2013).
• [5] A. M. Valderhaug: Modelling and Control Submerged-Arc Ferrosilicon Furnace, dissertation, Department of Engineering Cybernetics, The Norwegian Institute Technology, Trondheim, Norway (1992).

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę