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Vol 155 No 2
Pages:
159-162
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RUS
Research article
Metallurgy

Analysis of the smelting process in the vanyukov furnace to increase the extraction of the sum of non-ferrous metals

Authors:
I. A. Kirpichenkov
About authors
  • Norilsk State Industrial Institute
Date submitted:
2002-07-03
Date accepted:
2002-08-01
Date published:
2003-12-30

Abstract

The ways of increasing the extraction of the sum of non-ferrous metals in matte during melting of sulfide raw materials in the Vanyukov furnace are considered. The analysis of smelting with regard to the peculiarities of Nadezhda Metallurgical Plant technology: high content of copper and nickel sulfides in the charge. Such a composition of the charge leads to unacceptable losses of non-ferrous metals when using conventional methods of smelting control. In the process of analysis the sources of chemical and mechanical losses of non-ferrous metals were revealed. We suggest a method of reducing chemical losses of non-ferrous metals with slag by means of control and optimal regulation of sulphur dioxide content in flue gases. The ratio between oxygen and natural gas flow rate is chosen as a control variable in the sulfur dioxide control circuit.

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References

  1. Ванюков А.В. Плавка в жидкой ванне / А.В.Ванкжов, В.П,Быстрое, А.Д.Васкевич. М.: Металлургия, 1988.208 с.
  2. Опыт применения регулирующего микропроцессорного контроллера Ремиконт в управлении ПВ / В.Я.Алексеева, Е.Я.Серебряная, Л.И.Шварцер, В.А.Рыбалкин // Цветные металлы. 1990. № 8. С. 111 -113.
  3. Фукс Б.Я. Система автоматического управления загрузки шихты в агрегаты Ванюкова / Б.Я.Фукс, А.М.Трубняков // Цветные металлы. 1992. № 1. С.25-26.

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