Abstract
The results of industrial tests of smelting sulfide copper concentrates on industrial oxygen using side and bottom tuyeres with a protective gas layer in the Pobeda smelting unit (PSU) at the Mednogorskiy Medno-Sernyy Kombinat (MMSK) are presented. Based on the analysis of the operating conditions of the PSU, the main results of the experimental meltings are discussed. The possibility of achieving the maximum charge throughput up to 475 ton/day with a specific oxygen consumption for the bottom tuyeres of 3250–3450 m3 /h is demonstrated. The copper content in slags varies in the range of 2.5–3.0%, the copper concentration in the matte comprises 38.68%, and the SO2 content in the exhaust gases equals 12.24 vol. %. The campaign duration of the bottom tuyeres was 4.6 days.
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