Heat and Mass Exchange Intensification in Liquid Phase of Oxygen Converter Using Bottom Inert Gas Pulsations

To intensify the heat and mass exchange processes in a liquid melt bath of the oxygen, 160-ton capacity, converter, we tested the pulsating action of the bottom inert gas blowing at the frequencies of 0; 0.5; 1.0; 1.5 Hz. The rational value of the pulsation frequency is 2.5 Hz: under that frequency...

Full description

Saved in:
Bibliographic Details
Published inSteel in translation Vol. 52; no. 3; pp. 337 - 343
Main Authors Matyukhin, V. I., Matyukhina, A. V., Savel’ev, M. V., Eremeev, V. A., Metelkin, A. A., Sheshukov, O. Yu
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2022
Springer Nature B.V
Subjects
Bottom blown converters
Chemistry and Materials Science
Exhaust gases
Exothermic reactions
Heat exchange
Liquid phases
Materials Science
Oxygen
Pulsation
Rare gases
Thermodynamic efficiency
Vanadium
oxygen converter
pulsing blowing
vanadium yield
thermal efficiency
Online AccessGet full text

Cover

More Information
Summary:To intensify the heat and mass exchange processes in a liquid melt bath of the oxygen, 160-ton capacity, converter, we tested the pulsating action of the bottom inert gas blowing at the frequencies of 0; 0.5; 1.0; 1.5 Hz. The rational value of the pulsation frequency is 2.5 Hz: under that frequency impact, the residual vanadium in the metal melt decreases from 6.41 to 6.17%, with a reduction of the exhaust gas mass yield, the heat fraction of the exothermic reactions, and the thermal efficiency of the unit. The long-term tests of the rational pulsation mode (80 thousand melts) confirm the possibility of increasing the yield of the carbon semi-product by 2.932% with the vanadium losses decrease from 6.42 to 5.74%, that is, by 10.59 rel. %.
ISSN:0967-0912
1935-0988
DOI:10.3103/S096709122203010X