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汪金良, 周瑞, 刘远, 童长仁, 罗仙平. 基于MetCal的双底吹连续炼铜工艺全流程模拟计算[J]. 有色金属科学与工程, 2021, 12(3): 1-11. DOI: 10.13264/j.cnki.ysjskx.2021.03.001
引用本文: 汪金良, 周瑞, 刘远, 童长仁, 罗仙平. 基于MetCal的双底吹连续炼铜工艺全流程模拟计算[J]. 有色金属科学与工程, 2021, 12(3): 1-11. DOI: 10.13264/j.cnki.ysjskx.2021.03.001
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WANG Jinliang, ZHOU Rui, LIU Yuan, TONG Changren, LUO Xianping. Simulation calculation of overall process of double bottom blowing continuous copper smelting process based on MetCal[J]. Nonferrous Metals Science and Engineering, 2021, 12(3): 1-11. DOI: 10.13264/j.cnki.ysjskx.2021.03.001
Citation: WANG Jinliang, ZHOU Rui, LIU Yuan, TONG Changren, LUO Xianping. Simulation calculation of overall process of double bottom blowing continuous copper smelting process based on MetCal[J]. Nonferrous Metals Science and Engineering, 2021, 12(3): 1-11. DOI: 10.13264/j.cnki.ysjskx.2021.03.001
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基于MetCal的双底吹连续炼铜工艺全流程模拟计算

Simulation calculation of overall process of double bottom blowing continuous copper smelting process based on MetCal

    摘要
  • 摘要: 以“底吹造锍熔炼-底吹铜锍吹炼”铜冶炼工艺为设计计算对象，基于冶金工艺流程计算系统开发平台（MetCal），运用化学平衡、质量守恒、热量守恒、元素分配约束等原理建立了底吹熔炼配料、底吹造锍熔炼、底吹熔炼余热锅炉、底吹铜锍吹炼、铜锍吹炼余热锅炉等冶金单元数学模型。开发了双底吹炼铜工艺全流程模拟系统，通过计算得到了全流程物料走向分布、各控制单元物质分配和热平衡结果，并用实际生产数据对双底吹模型进行验证。结果表明：底吹熔炼工序铜锍中的Cu，S，Fe，Pb，Zn的绝对误差为0.32%，0.74%，1.64%，0.47%，0.32%；熔炼渣中Cu，S，Fe，Pb，Zn，CaO，Al2O3，MgO绝对误差为0.05%，0.96%，1.59%，1.13%，1.09%，1.17%，2.45%，0.67%。底吹吹炼工序粗铜中Cu，S，Fe，As，Sb，Bi，Pb，Zn绝对误差为0.43%，0.03%，0.01%，0.07%，0.046%，0.006%，0.32%，0.014%；吹炼渣中Cu，S，Fe，Pb，Zn绝对误差分别为1.83%，0.06%，11.35%，11.92%，2.36%，以上计算为工业生产指导和工业设计提供依据。

     

    Abstract: Mathematical model of metallurgical units were established for bottom blowing smelting ingredients, bottom blowing smelting, bottom blowing smelting waste heat boilers, bottom blowing copper matte converting, copper matte converting waste heat boilers, based on such theories as chemical equilibrium, principles of mass conservation, heat conservation, element allocation constraints, when the metallurgical process computing system development platform (MetCal) was used to calculate the copper smelting process of "bottom blowing smelting-bottom blowing matte converting". A simulation system for the entire double-bottom blowing copper process was developed to calculate the material distribution and heat equilibrium of each control unit, whose results were validated by production dates. The research results showed that the absolute errors between production dates and calculations of Cu, S, Fe, Pb, Zn content in matte in the bottom blowing smelting process were 0.32%, 0.74%, 1.64%, 0.47% and 0.32%, respectively, and those of Cu, S, Fe, Pb, Zn, CaO, Al2O3, MgO in the smelting slag were 0.05%, 0.96%, 1.59%, 1.13%, 1.09%, 1.17%, 2.45% and 0.67%, respectively. Those of Cu, S, Fe, As, Sb, Bi, Pb, Zn in the bottom blowing process of blister copper were 0.43%, 0.03%, 0.01%, 0.07%, 0.046%, 0.006%, 0.32%, 0.014%, respectively, and those of Cu, S, Fe, Pb, Zn in slag converting were 1.83%, 0.06%, 11.35%, 11.92%, 2.36% respectively. The above calculations provides the basis for industrial production guidance and industrial design.

     

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