Conclusions
Dense highly fired roof refractories based on sintered magnesite powder and electrofused aluminomagnesia spinel are characterized by high volume constancy and a 30–50% lower wear compared with ordinary periclase — spinel products in comparative tests in the roofs of 600 ton open-hearth furnaces working with the use of oxygen.
The wear of magnesite — spinel refractories containing 20, 30, and 40% electrofused spinel in the batch during service in the roofs of open-hearth furnaces occurs by fusion.
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Translated from Ogneupory, No. 1, pp. 24–28, January, 1971.
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Frenkel', A.S., Shapovalov, V.S., Antonov, G.I. et al. Magnesia roof refractories with fused spinel in the batch. Refractories 12, 29–33 (1971). https://doi.org/10.1007/BF01289850
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DOI: https://doi.org/10.1007/BF01289850