Journal
JOURNAL OF CENTRAL SOUTH UNIVERSITY
Volume 25, Issue 1, Pages 95-106Publisher
JOURNAL OF CENTRAL SOUTH UNIV TECHNOLOGY
DOI: 10.1007/s11771-018-3720-0
Keywords
froth flotation; image features; optimization setting; coordinated optimization
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Funding
- National Science Foundation for Distinguished Young Scholars of China [61725306]
- National Natural Science Foundation of China [61473318, 61403136, 61703157, 61751312]
- Foundation of Hunan Educational Committee, China [16C0940]
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Considering the influence of reagent adjustment in different flotation bank on the final production index and the difficulty of establishing an effective mathematical model, a coordinated optimization method for dosage reagent based on key characteristics variation tendency and case-based reasoning is proposed. On the basis of the expert reagent regulation method in antimony flotation process, the reagent dosage pre-setting model of the roughing-scavenging bank is constructed based on case-based reasoning. Then, the sensitivity index is used to calculate the key features of reagent dosage. The reagent dosage compensation model is constructed based on the variation tendency of the key features in the roughing and scavenging process. At last, the prediction model is used to finish the classification and discriminant analysis. The simulation results and industrial experiment in antimony flotation process show that the proposed method reduces fluctuation of the tailings indicators and the cost of reagent dosage. It can lay a foundation for optimizing the whole process of flotation.
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