基于MetCal计算模型双底吹连续炼铜工艺关键参数影响规律分析
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TF811

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国家重点研发计划


Analysis on the influence law of key parameters for double bottom blowing continuous copper smelting process based on MetCal calculation model
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National Key R&D Program of China

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    摘要:

    双底吹连续炼铜工艺具有连续性、瞬时性的特点,其生产操作参数控制相对于其他炼铜工艺更为复杂,为确保产品质量稳定、炉况处于优化状态,需对双底吹连续炼铜工艺关键控制参数及其影响规律进行研究。本论文利用MetCal desk计算平台,通过物质流、能量流守恒的原理建立了双底吹连续炼铜工艺冶金计算模型,并在此基础上,通过单一调整富氧空气量、石英石配量、电解残极配加量等参数,分别考察其对双底吹连续炼铜工艺熔炼关键参数“铜锍品位、熔炼渣铁硅比及温度”和吹炼关键参数“粗铜品位、吹炼渣铁硅比及温度”的影响规律。结果表明:铜锍品位与熔炼石英石量、富氧空气量呈正相关,与配煤量呈负相关;熔炼渣铁硅比与熔炼石英石量、配煤量呈负相关;熔炼渣温度与熔炼富氧空气量、配煤量呈正相关;粗铜品位与吹炼富氧空气量、电解残极量呈正相关;吹炼渣铁硅比与电解残极量呈正相关,与吹炼石英石量呈负相关;吹炼渣温度与吹炼富氧空气量、电解残极量呈正相关。

    Abstract:

    Double bottom blowing continuous copper smelting process has the characteristics of continuity and instant, and its production operation parameter control is more complex than other copper smelting processes. In order to ensure the stability of product quality and optimization of furnace condition, it is necessary to study the key control parameters and their influence law of double bottom blowing continuous copper smelting process. In this paper, using the MetCal Desk computing platform, a metallurgical calculation model of double bottom blowing continuous copper smelting process was established based on the principle of conservation of material flow and energy flow. On this basis, through a single adjustment of oxygen rich air volume, quartz stone volume, electrolysis remnant pole volume and other parameters, the influence on the key smelting parameters "matte grade, iron-silicon ratio and temperature of smelting slag converting parameters "coarse copper grade, iron-silicon ratio and temperature of converting slag bottom blowing continuous copper smelting process were investigated. The research results showed that the grade of matte was positively correlated with the amount of smelting quartz and oxygenized air, but negatively correlated with the amount of coal. The iron-silicon ratio of smelting slag was negatively correlated with the amount of quartz and coal. The smelting slag temperature was positively correlated with the amount of oxygenized air and coal. The crude copper grade was positively correlated with the amount of oxygen-rich air and electrolysis remnant pole. The iron-silicon ratio of converting slag was positively correlated with the electrolysis remnant pole and negatively correlated with the amount of converting quartz. The converting slag temperature was positively correlated with the amount of oxygenized air and electrolysis remnant pole.

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张哲铠,黎敏,李兵,等. 基于MetCal计算模型双底吹连续炼铜工艺关键参数影响规律分析[J]. 科学技术与工程, 2022, 22(20): 8652-8659.
Zhang Zhekai, Li Ming, Li Bing, et al. Analysis on the influence law of key parameters for double bottom blowing continuous copper smelting process based on MetCal calculation model[J]. Science Technology and Engineering,2022,22(20):8652-8659.

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  • 收稿日期:2021-09-27
  • 最后修改日期:2022-04-02
  • 录用日期:2022-03-03
  • 在线发布日期: 2022-08-04
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