Results are presented from a study of the durability of the lining of horizontal converters and the reasons for the short service life of the lining’s tuyere zone. The article describes new designs of tuyere-zone linings and new tuyere blocks developed on the basis of the study results. Technologies have been developed for making periclase-chromite tuyere blocks and a heat-conducting bulk refractory which is resistant to slag-matte melts. The blocks are made using a fused material that has a high content of Cr2O3. The durable new lining was tested and introduced on converters at the Alaverdinsk Mining-Metallurgical Combine and Ufalei Nickel Plant. The new linings last 1.5 – 2.0 times longer than the linings used previously.
Refractories and Industrial Ceramics – Springer Journals
Published: Apr 4, 2014
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