Effect of Temperature on Near-Infrared Spectrum Detection of Cement Raw Meal and Compensation Method

Hang Xiao; Zhenfa Yang; Lei Zhang; Faye Zhang; Qingmei Sui; Lei Jia; Mingshun Jiang

doi:10.3788/CJL202047.0111001

Chinese Journal of Lasers, Volume. 47, Issue 1, 0111001(2020)

Effect of Temperature on Near-Infrared Spectrum Detection of Cement Raw Meal and Compensation Method

Hang Xiao, Zhenfa Yang, Lei Zhang^*, Faye Zhang, Qingmei Sui, Lei Jia, and Mingshun Jiang

Author Affiliations

College of Control Science and Engineering, Shandong University, Jinan, Shandong 250061, China

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Figures & Tables(8)

Fig. 1. Diagram of system structure

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Fig. 2. Flow chart of experimental process. (a) Samples of calibration set; (b) samples of validation set

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Fig. 3. Near infrared spectrum of cement raw meal (changing from 52 ℃ to 29 ℃)

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Fig. 4. Near infrared spectra of cement raw meal obtained by resetting the same sample and after five detections

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Fig. 5. Comparison of predicted results between model I and model II. (a) SiO₂; (b) Al₂O₃; (c) Fe₂O₃; (d) CaCO₃

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Table 1. Component information of cement raw meal samples
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Table 1. Component information of cement raw meal samples
Component Mass fraction /%
Max Min Ave
SiO₂ 13.8 12.54 13.1
Al₂O₃ 3.44 2.82 3.17
Fe₂O₃ 2.12 1.93 2.03
CaCO₃ 42.57 41.29 41.98

Table 2. Standard deviation and range of prediction values obtained by five measurements after by resetting the same sample of cement raw meal
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Table 2. Standard deviation and range of prediction values obtained by five measurements after by resetting the same sample of cement raw meal
Component Standard deviation Range
SiO₂ 0.1100 0.330
Al₂O₃ 0.0430 0.120
Fe₂O₃ 0.0088 0.022
CaCO₃ 0.0730 0.200

Table 3. Comparison of evaluation indexes between model I and model II
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Table 3. Comparison of evaluation indexes between model I and model II
Component Model R² RMSECV /% RMSEP /%
SiO₂ Ⅰ 0.89 0.086 0.460
Ⅱ 0.84 0.100 0.100
Al₂O₃ Ⅰ 0.73 0.066 0.110
Ⅱ 0.70 0.073 0.081
Fe₂O₃ Ⅰ 0.51 0.030 0.028
Ⅱ 0.47 0.031 0.016
CaCO₃ Ⅰ 0.86 0.093 0.240
Ⅱ 0.84 0.101 0.095

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Hang Xiao, Zhenfa Yang, Lei Zhang, Faye Zhang, Qingmei Sui, Lei Jia, Mingshun Jiang. Effect of Temperature on Near-Infrared Spectrum Detection of Cement Raw Meal and Compensation Method[J]. Chinese Journal of Lasers, 2020, 47(1): 0111001

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