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Information × Registration Number 0223U000884, 0120U101187 , R & D reports Title Development of scientific and technical solutions for creation of energy-efficient mode of blowing of converter melting with the use of compound nozzles on the basis of study of gas-dynamic and electrophysical state of interacting phases of converter bath popup.stage_title Head Holub Tetiana Serhiivna, Кандидат технічних наук Registration Date 21-01-2023 Organization Iron and Steel Institute of Z.I.Nekrasov National Academy of Sciences of Ukraine popup.description2  A set of computational and analytical studies, experiments conducted on physical and high-temperature models have shown the feasibility and effectiveness of using composite nozzles consisting of inner cylindrical and outer ring parts for top blowing conditions in oxygen converters. A variant of the construction of a compound nozzle with a share of the outer part of 65-75% to the total nozzle area was developed and proposed to replace the cylindrical nozzles of oxygen lances, which perform the function of additional sources of influence on the bath and for the oxidation of CO in the waste gases, which can allow to increase the amount of scrap in the charge by 30-60 kg/t of steel. As an available means of qualitative evaluation of the performance of new designs of blowing nozzles, a method of recording the electrical conductivity of the flame formed by the output gases between the nozzle and the converter neck was proposed. For the registered parameter, a mathematical model of the correspondence of the change in the amount of CO in the source gases was developed. Product Description popup.authors Budnyk Zoia Dmytrivna Vakulchuk Volodymyr V. Herasymenko Viktor Hr. Holub Tetiana S. Grekov Stanislav V. Dudchenko Serhii Oleksandrovych Kakushkin Yevhenii S Molchanov Lavr Piptiuk Vitalii P. Prokopenko Pavlo Hryhorovych Reshetova Maryna Viktorivna Siemikina Anna Semykin Serhii I. Tuboltsev Leonid Н. Chernenko Valeriia Cherniatevych Anatolii Hr. Yushkevych Pavlo O popup.nrat_date 2023-01-21 Close