Guniting of the monolithic lining of steel-teeming ladles |
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| Authors: | Yu D Kuznetsov L M Davydov L F Yakovenko Yu A Polonskii S A Suvorov A D Mel'nikov A M Pozhivanov N D Karpov A I Andryushchenko O L Bondarenko E P Mezentsev |
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| Affiliation: | (1) All-Union Institute of Refractories, USSR;(2) Lensovet Leningrad Technological Institute, USSR;(3) Novolipetsk Metallurgical Works, USSR;(4) Magnezit Combine, USSR |
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| Abstract: | Conclusions The authors have developed the principles of guniting the monolithic lining of steel-teeming ladles with semidry masses. Determination of the wetting of a vitrified siliceous monolithic lining with aqueous solutions of additives and suspensions of these solutions, plasticizing additives, and refractory filler has shown that a coating can be deposited onto the surface of a monolithic lining. Formation of a ceramic bond between the coating and the vitrified surface of a monolithic lining takes place at high temperatures (900°C or above). Masses of siliceous, aluminosilicate, and periclase-chromite compositions have been developed for guniting the monolithic lining of steel-teeming ladles.A procedure for guniting the monolithic lining of 180- and 350-ton steel-teeming ladles has been developed and tested. The best results have been obtained with use of gunite masses of periclase-chromite composition.Translated from Ogneupory, No. 6, pp. 25–30, June, 1981. |
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