The paper describes the features of bath smelting of lead sulfide concentrate and structural characteristics of the oxygen side-blown direct lead smelting furnace.
2
并对炼铜、炼镍、炼铅炉关键部位所用镁铬材料，炼料、铝电解槽各部位所用材料进行了阐述与介绍。
The magnesite-chrome refractories used in the critical parts of copper, nickel and lead making furnaces, and refractories used in various parts of aluminium reduction cell are described as well.
3
本文介绍了利用氨法处理杂质成分复杂的某大型冶炼厂炼铅系统烟化炉氧化锌烟灰制备高等级氧化锌的工艺。
The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter.
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