Service of zircon nozzles for continuous casting of converter steel |
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Authors: | N. M. Frolovskii V. Ya. Genkin Yu. V. Materikin L. Ya. Fridman P. S. Klimashin N. D. Karpov |
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Affiliation: | (1) I.P. Bardin Central Research Institute of Ferrous Metallurgy, USSR;(2) All Union Institute of Refractories, USSR;(3) Novolipets Metallurgical Factory, USSR |
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Abstract: | Conclusions In the continuous casting of converter steel without replacing the intermediate ladle between heats there is an increase in the resistance of the zircon nozzles. Wear somewhat increases with an increase in the number of heats from one to two, after which there is practically no change up to four heats.It became clear that an increase in the density of the zircon nozzles reduces their erosion.The nature of the erosion of zircon nozzles during continuous casting of converter steel does not alter, compared with the previously known character.With the use of zircon nozzles in the Red Army Silica Factory for rates 0.7 m/min, it is possible to cast without braking the jet of steel with the stopper.S. Z. Afonin, E. I. Ermolaeva, V. V. Parfenteva, V. D. Ryazantsev, and T. K. Chirkina took part in the work.Translated from Ogneupory, No. 1, pp. 20–23, January, 1968. |
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