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首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >Modernization of the BCL smelter
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Modernization of the BCL smelter

机译：BCL冶炼厂的现代化改造

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BCL Limited operates a nickel-copper flash smelting operation at Selcbi-Phikwe, situated in north-eastern Botswana. The original furnace was commissioned in 1973 and produces a high grade sulphide matte, from its own concentrates plus additional custom feeds, which is shipped to refineries in Zimbabwe and Norway for further processing. In 2004 the company embarked on a study to modernize the flash smelting complex, with an emphasis on extending campaign life, improving the furnace integrity and enhancing throughput and process efficiency. First phase initiatives from this exercise, including the fundamental switch to a single concentrate burner operation of the flash smelting furnace, were implemented in July 2007. This paper summarizes experiences prior to implementation, details the specific improvements made to the flash smelting furnace and associated operations, highlights the improved plant performance after modernization, and outlines second phase expansion plans that are currently under consideration.
机译：BCL有限公司在博茨瓦纳东北部的塞尔希比·菲克韦（Selcbi-Phikwe）经营镍铜闪速熔炼业务。最初的熔炉于1973年投入使用，由其自身的精矿和额外的定制原料生产出高品位的硫化亚光，然后运至津巴布韦和挪威的精炼厂进行进一步加工。 2004年，该公司着手进行一项研究，以对闪速熔炼厂进行现代化改造，重点是延长活动寿命，提高熔炉完整性并提高生产量和工艺效率。此练习的第一阶段计划于2007年7月实施，包括从根本上转变为闪速熔炼炉的单一精矿燃烧器操作。本文总结了实施之前的经验，详细介绍了闪速熔炼炉及相关操作的具体改进着重介绍了现代化后改善的工厂性能，并概述了目前正在考虑的第二阶段扩建计划。

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