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  • 标题:Plant-wide control of grinding mill circuits: Top-down analysis
  • 本地全文:下载
  • 作者:J.D. le Roux ; S. Skogestad ; I.K. Craig
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2016
  • 卷号:49
  • 期号:20
  • 页码:72-77
  • DOI:10.1016/j.ifacol.2016.10.099
  • 语种:English
  • 出版社:Elsevier
  • 摘要:A generic top-down control structure is proposed for the optimal steady-state operation of a grinding mill circuit. The economic cost function of the grinding mill circuit is defined with reference to the final product of the larger mineral processing plant. A mineral processing plant in this study consists of a comminution and a separation circuit. The comminution circuit’s operational performance primarily depends on the mill’s performance. Since grindcurves define the operational performance range of a mill, the grindcurves are used to define the setpoints for the economic controlled variables for optimal steady-state operation. For a given metal price, processing cost, and transportation cost, the proposed structure can be used to define the optimal operating region of a grinding mill circuit for the best economic return of the mineral processing plant.
  • 关键词:comminutiongrinding millplant-wide control
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