AERODYNAMICS AND TEMPERATURE FIELD FEATURES IN THE MODERN EAF WORKSPACE
https://doi.org/10.17073/0368-0797-2015-9-645-651
Abstract
The paper presents the results of the design study of the material and heat balance on the existing furnace EAF-120 of company «Danieli». It is shown that the arrival of the heat in the oxidation of iron and other components of the charge is signifi cant, and the thermal regime and the whole process become signs of autogenous process. Signifi cant loss of chemical underburning indicate unsatisfactory organization of aerodynamic fl ows in the amount of working space of the furnace. Using a computer program SolidWorks Flow simulation the aerodynamic fl ow and the temperature fi eld in the cold charge location disposed between the electrodes and the inner wall surface of the furnace has been considered. The authors have recommended the rational way to install oxy-fuel burners, oxygen lances and the eductors for inputting carbonaceous material into the bath of the furnace.
Keywords
furnace,
arc,
steel,
metal,
charge,
natural gas,
oxygen,
burner lance,
torch,
carbon electrode,
vault,
wall
About the Authors
G. V. Voronov
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Professor of the Chair “Thermal Physics and Informatics in Metallurgy”,
19, Mira str., Ekaterinburg 620002
V. A. Gol’tsev
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Assist. Professor of the Chair “Thermal Physics and Informatics in Metallurgy”,
19, Mira str., Ekaterinburg 620002
I. V. Glukhov
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Russian Federation
student,
19, Mira str., Ekaterinburg 620002
References
1. Worldsteel Association Steel Statistical Yearbook 2011. Brussels: Worldsteel Committee on Economic Studies, 2011. 120 p.
2. BelkovskiiA.G., Kats Ya.L., Krasnyanskii M.V. Current state and development trend of production technology of steel in EAF and their design. Byulleten’ “Chernaya metallurgiya”, 2013, no. 3, pp. 72–78. (In Russ.).
3. Chizhikov A.G., Semin A.E.,Chizhikova I.I. Automobile scrap in the structure of Russian metal reserves and the technical solutions for its disposal. Elektrometallurgiya. 2010, no. 4, pp. 31–36. (In Russ.).
4. Lyakishev N.P. Electrometallurgy – dynamic steelmaking industry. Stal’. 2006, no. 11, pp. 58–63. (In Russ.).
5. Obukhov V.M., Sharikov V.M., Deryabin Yu.A., Spirin V.A., Chernavin S.B. Proektirovanie i oborudovanie staleplavil’nykh tsekhov [Design and equipment of steelworks]. Ekaterinburg: UTsAO, 2010. 410 p. (In Russ.).
6. SIMETAL Ultimate. Leading EAF technology from a single source – powerful, fl exible, environmentally compatible. Available at URL: http://www.industry.siemens.com/datapool/industry/industrysolutions/metals/simetal/en/SIMETAL-Ultimate-en.pdf
7. Voronov, G.V., Antropov M.V., Porokh O.V. Features of aerodynamics in the workspace of modern electric arc furnace. Novye ogneupory. 2014, no. 7, pp. 19–21. (In Russ.).
8. Vanyukov A.V., Zaitsev V.Ya. Teoriya pirometallurgicheskikh protse ssov [Theory of pyrometallurgical processes]. Moscow: Metallurgiya, 1973. 504 p. (In Russ.).
9. LogarV., DovzanD., SkrjancI. Mathematical Modeling and Experimental Validation of an Electric Arc Furnace. ISIJ International. 2012. Vol. 52, no. 3, pp. 382–391.
10. LogarV., DovzanD., SkrjancI. Modeling and Validation of an Electric Arc Furnace. Part 1: Heat and Mass Transfer, Ibid International. 2012. Vol. 52, no. 3, pp. 402–412.
11. Voronov G.V., Antropov M.V., Glukhov I.V. Gasdynamics of the workspace of modern electric arc furnace. Novye ogneupory. 2014, no. 11, pp. 23–25. (In Russ.).
Review
For citations:
Voronov G.V., Gol’tsev V.A., Glukhov I.V. AERODYNAMICS AND TEMPERATURE FIELD FEATURES IN THE MODERN EAF WORKSPACE. Izvestiya. Ferrous Metallurgy. 2015;58(9):645-651. (In Russ.) https://doi.org/10.17073/0368-0797-2015-9-645-651
Views:
594
Email this article 