煤矿灾害气体的傅里叶变换红外光谱定量方法

王连聪

煤矿灾害气体的傅里叶变换红外光谱定量方法

王连聪

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- 发布日期: 2017-03-19

Quantitative Method of Fourier Transform Infrared Spectroscopy for Disaster Gases in Coalmine

WANG Liancong

摘要

摘要: 为提高煤矿灾害气体红外光谱定量分析的准确性，利用傅里叶变换红外光谱分析仪，对煤矿灾害气体的傅里叶变换红外光谱定量分析方法进行了研究，建立了针对煤矿灾害气体的傅里叶变化红外光谱定量计算模型与定量校正模型，利用支持向量机理论对煤矿灾害气体中烷烃类气体的图谱交叠问题进行了改进，在一定程度上初步满足了煤矿灾害气体定量检测的需求。结果表明：CH₄、i-C₄H₁₀、C₂H₄、C₃H₆、C₂H₂与CO定量分析结果的准确性相对较高，绝对偏差也较小；C₂H₆、C₃H₈、n-C₄H₁₀与CO₂定量分析结果的准确性相对较低，但其绝对偏差较小，因此以上10种煤矿灾害气体均可利用傅里叶变换红外光谱定量方法进行定量分析。
- 傅里叶变换红外光谱 /
- 支持向量机 /
- 灾害气体 /
- 定量分析 /
- 图谱交叠
Abstract: In order to improve the accuracy of infrared spectroscopy quantitative analysis for disaster gases in coal mine, Fourier transform infrared spectrometer was used to study the quantitative method of Fourier transform infrared spectroscopy for disaster gases in coalmine. The quantitative calculation and calibration models were built up. According to the theory of support vector machine, the spectrogram overlapping problem of paraffin gases was improved. The quantitative method meets the needs of quantitative analysis for disaster gases in coalmine. The results show that the accuracy of quantitative analysis for CH₄, i-C₄H₁₀, C₂H₄, C₃H₆, C₂H₂ and CO is relatively high, and the absolute deviation is small. The accuracy of quantitative analysis for C₂H₆、C₃H₈、n-C₄H₁₀ and CO₂ is relatively low, but the absolute deviation is small. Therefore, quantitative method of Fourier transform infrared spectroscopy can be used to analyze ten kinds of disaster gas in coalmine.
- Fourier transform infrared spectrometer /
- support vector machine /
- disaster gas /
- quantitative analysis /
- spectrogram overlap

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参考文献(17)

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煤矿灾害气体的傅里叶变换红外光谱定量方法

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出版历程

Quantitative Method of Fourier Transform Infrared Spectroscopy for Disaster Gases in Coalmine

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