Abstract
The article discusses the increase in efficiency of the modern EAF working on technology to non-continuous load metallized pellets. The method of calculation of rational energy regimes of modern EAF working on energy-technology with continuous loading of pellets using different electrode- tion design. The algorithm for calculating and created computer program that calculates the rational mode of arc steel-smelting furnace, as well as rational download speed metallized pellets in the bath furnace. On the basis of calculations that the use of hollow (tubular) electrodes can reduce the total melting time of 5.9 min in comparison with the standard (solid) electrodes. In this case, the average download speed of metallizovannyh pellet stoves can be increased to 183 kg/min, which in turn will reduce the specific energy consumption of 63 kW·h/t. The results of computer simulations are in qualitative agreement with the data on physical models, thus promising applications of hollow (tubular) electrodes in a production environ- ment.
Highlights
The article discusses the increase in efficiency of the modern EAF working on technology to non-continuous load metallized pellets
The method of calculation of rational energy regimes of modern EAF working on energy-technology with continuous loading of pellets using different electrodetion design
The algorithm for calculating and created computer program that calculates the rational mode of arc steel-smelting furnace, as well as rational download speed metallized pellets in the bath furnace
Summary
Разработана методика расчета рациональных энергетических режимов работы современных дуговых сталеплавильных печей, работающих по технологии с непрерывной загрузкой окатышей при использовании электродов различной конструкции. Разработан алгоритм расчета и создана компьютерная программа, позволяющая рассчитать рациональный режим работы дуговой сталеплавильной печи, а так же рациональную скорость загрузки металлизованных окатышей в ванну печи. Что использование полых (трубчатых) электродов позволяет сократить общее время плавки на 5,9 мин в сравнении с типовыми (сплошными) электродами. Результаты моделирования на ЭВМ качественно согласуются с данными, полученными на физических моделях, что свидетельствует о перспективности применения полых (трубчатых) электродов в производственных условиях. Ключевые слова: дуговая сталеплавильная печь, металлизованные окатыши, полый (трубчатый) электрод
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