FIELD: non-ferrous metallurgy technology. SUBSTANCE: copper-nickel mattes with quartz sand and cold additions being putted on converter are smelting with blast amount equal to 30-60% as inter melting blow, but melt upper blowing is making by air-oxygen mixture of blast under angle equal to 40-50 deg with respect to melt surface. EFFECT: more effective converting processing. 1 tb
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Authors
Dates
1994-04-15—Published
1991-04-25—Filed