Steel Semiproduct Melting Intensification in Electric Arc Furnaces Using Coordinated Control of Electric and Gas Conditions: I. Heat Exchange and Structure of the Electric Arc Furnace Laboratory
- Authors: Sivtsov A.V.1, Sheshukov O.Y.1,2, Tsymbalist M.M.1, Nekrasov I.V.1, Makhnutin A.V.2, Egiazar’yan D.K.1,2, Orlov P.P.2
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Affiliations:
- IMET UrO RAN
- FGAOU VO UrFU
- Issue: Vol 2018, No 12 (2018)
- Pages: 1108-1113
- Section: Manufacture of Ferrous and Nonferrous Metals
- URL: https://journals.rcsi.science/0036-0295/article/view/172752
- DOI: https://doi.org/10.1134/S0036029518120145
- ID: 172752
Cite item
Abstract
One of the main causes of the nonuniform melting of a charge in the EAF bath is found to be the asymmetry of the short circuit and interphase power transfer. The electric power deficiency at the “dead” phase of a furnace is shown to be 1.2 MWh. We propose to equalize the energy disbalance using flexible control of the operating conditions of gas–oxygen burners. For this purpose, an algorithm is developed to estimate the changes in the geometric zone sizes in the EAF bath using the technique of determining angular arc radiation coefficients. The intensity of charge melting due to arc radiation is shown to decrease sharply with increasing well diameter, and the main component of the furnace capacity is the melting of a solid charge in a molten metal bath.
About the authors
A. V. Sivtsov
IMET UrO RAN
Author for correspondence.
Email: aws2004@mail.ru
Russian Federation, Yekaterinburg
O. Yu. Sheshukov
IMET UrO RAN; FGAOU VO UrFU
Email: aws2004@mail.ru
Russian Federation, Yekaterinburg; Yekaterinburg
M. M. Tsymbalist
IMET UrO RAN
Email: aws2004@mail.ru
Russian Federation, Yekaterinburg
I. V. Nekrasov
IMET UrO RAN
Email: aws2004@mail.ru
Russian Federation, Yekaterinburg
A. V. Makhnutin
FGAOU VO UrFU
Email: aws2004@mail.ru
Russian Federation, Yekaterinburg
D. K. Egiazar’yan
IMET UrO RAN; FGAOU VO UrFU
Email: aws2004@mail.ru
Russian Federation, Yekaterinburg; Yekaterinburg
P. P. Orlov
FGAOU VO UrFU
Email: aws2004@mail.ru
Russian Federation, Yekaterinburg