Production and use of periclase-chromite concrete parts for the linings of high temperature ladles |
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| Authors: | L. B. Khoroshavin D. S. Rutman V. A. Perepelitsyn V. I. Popova Ya. G. Gaponov K. V. Simonov I. Ya. Makogon N. F. Kravtsov L. M. Polyakov E. I. Tyurin N. P. Tyutyunik M. I. Grigorenko V. A. Tambovtsev A. V. Safonov L. A. D'yakonova I. V. Zhukov |
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| Affiliation: | (1) Eastern Refractory Institute, USSR;(2) Magnezit Combine, USSR;(3) Chelyabinsk Metallurgical Plant, USSR;(4) Red October Plant, USSR;(5) Chelyabinsk Electrometallurgical Combine, USSR |
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| Abstract: | Conclusions A method has been developed for production of standard periclase-chromite concrete parts for the linings of high temperature ladles for teeming steel and ferroalloys. The parts have high strength and low porosity and are practically shrinkage-free.The life of periclase-chromite concrete parts in the steel teeming ladles of Chelyabinsk Metallurgical Plant is about four times greater than that of fireclay parts, in Red October Plant practically the same as that observed with the use of high alumina parts, and at Chelyabinsk Electrometallurgical Plant it was higher only in the upper portion of ladles in comparison with that obtained with the normally used fired periclase parts.During service in ladles the parts do not spall, become encrusted at a metal temperature of 1620 °C, do not become encrusted at 1790°C, and at 2200°C are eroded by slag.Translated from Ogneupory, No. 7, pp. 16–20, July, 1982. |
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