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Moscow, Russia

Shalimov A.G.,RAS Institute of Metallurgy | Nemenov A.M.,Gipromez Company
Metallurgist | Year: 2010

Factors are considered that affect the behavior of nitrogen in steel melting in electric furnaces, extra-furnace treatment and steel continuous casting. The effect of nitrogen content in charge materials, material used during melting and extra-furnace treatment, oxygen purity and other factors on the possibility of achieving a reduced nitrogen content in electric steels is assessed. Specific recommendations are proposed for implementing the possibility of reducing nitrogen content. © 2010 Springer Science+Business Media, Inc.

Andreev V.I.,Gipromez Company | Pozdnyakov A.V.,Gipromez Company | Kurbatov Y.L.,Donetsk National Technical University | Mishin I.V.,Donetsk National Technical University | Pikalov D.S.,Donetsk National Technical University
Metallurgist | Year: 2015

Studies were made of the changes in heat loss that occur during the operation of a blast furnace with pulverized-coal fuel (PCF). It is shown that the use of PCF increases heat losses relative to the furnace's heating capacity. These losses increase from 1.15% without PCF use and an intact lining to 3.7% with maximal lining wear and the use of PCF at a rate of 187 kg/ton pig iron. Minus the chemical heat of the top gas, the heat losses incurred relative to the heating power of the furnace increase from 2.78 to 8.81%. © 2015 Springer Science+Business Media New York

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