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Supervisor：Jiangxi University Of Science And Technology
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Jiangxi Nonferrous Metals Society
ISSN：1674-9669
CN：36-1311/TF
CODEN YJKYA9
Volume 7 Issue 5
Oct.  2016
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LI Ming-zhou, HUANG Jin-di, TONG Chang-ren, ZHANG Wen-hai. A composition soft-sensing model of FeO-Fe2O3-SiO2 ternary slag system based on two-temperature two-density method[J]. Nonferrous Metals Science and Engineering, 2016, 7(5): 37-41. DOI: 10.13264/j.cnki.ysjskx.2016.05.007
Citation: LI Ming-zhou, HUANG Jin-di, TONG Chang-ren, ZHANG Wen-hai. A composition soft-sensing model of FeO-Fe2O3-SiO2 ternary slag system based on two-temperature two-density method[J]. Nonferrous Metals Science and Engineering, 2016, 7(5): 37-41. DOI: 10.13264/j.cnki.ysjskx.2016.05.007
shu

A composition soft-sensing model of FeO-Fe2O3-SiO2 ternary slag system based on two-temperature two-density method

  • a.

    School of Metallurgy and Chemistry Engineering, Ganzhou 341000, Nanchang 330013, Jangxi University of Science and Technology, China

  • b.

    School of Software, Nanchang 330013, Jangxi University of Science and Technology, China

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  • Received Date: January 12, 2016
  • Published Date: October 30, 2016
    Graphical Abstract
    • Abstract
  • According to the characteristics of composition strong coupling with physical properties of smelting slag, the temperature and density of slag system were selected as the secondary variables of soft sensor, and the regression algorithm with Taylor series three times expansion was used, then a composition soft-sensing model of the ternary slag system was established based on two-temperature two-density method. Practical experimental results of slag system of FeO-Fe2O3-SiO2 show that regression calculation has high accuracy, and the average relative error (absolute value) of density is only 0.412%. Multi-group soft measurements have achieved superior predictive hit rate, and the model is suitable for compositions of the slag system with wide range. Analysis of the density-temperature characteristic curves drawn show that the model can well take account of the inherent law of density, composition and temperature of the ternary slag system. The research serves as a nice soft-sensing model for predicting compositions of the ternary slag system.
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    • References (21)
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