Abstract
Periclase-carbon articles made of sintered periclase powders, prepared with the use of the “press-packet” technolotical schedule, have a very low gas permeability and a rather high magnetic susceptibility. The use of periclase-carbon articles facilitated an increase in the resistance of the walls of 100-ton electric steel-melting furnaces with water-cooled panels by 1.8–2.5 times compared with the life of walls made from fired periclase-chromite articles. The nature of the wear of periclase-carbon products is due to their slag destruction and the reduction in the magnetic susceptibility. The cemented blocks of periclase-carbon articles using periclase-iron mortar in the walls of 100-ton electric steel-melting furnaces had the same wear resistance as for separate periclase-carbon bricks. It is desirable to continue testing periclase-carbon bricks made from sintered periclase powders in order to determine the most rational regions of application, and their introduction into production in refractory factories.
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