傅里叶变换近红外光谱仪在汽、柴油分析中的应用

李琪; 杜彪; 张正东; 陈晓翔; 李轲; 方旭; 李庆武; 舒慧

doi:10.12338/j.issn.2096-9015.2022.0171

傅里叶变换近红外光谱仪在汽、柴油分析中的应用

doi: 10.12338/j.issn.2096-9015.2022.0171

李琪^1,,
杜彪²,
张正东^1, ,,
陈晓翔²,
李轲¹,
方旭^{1, 3},
李庆武¹,
舒慧¹

1.
中国计量科学研究院，北京 100029
2.
北京易兴元石化科技有限公司，北京 101301
3.
合肥工业大学，合肥 230009

基金项目: 国家市场监督管理总局科技计划项目（2021MK153）；中国计量科学研究院基本科研业务费项目（AKYZZ2131、AKYZZ2234）；院企横向科研项目（JSFW2102、KYH2206）。

详细信息

作者简介:
李琪（1982-），中国计量科学研究院副研究员，研究方向：光谱计量，邮箱：liqi@nim.ac.cn

通讯作者:
张正东（1976-），中国计量科学研究院副研究员，研究方向：化学计量，邮箱：zhangzhengdong@nim.ac.cn

计量
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出版历程
- 收稿日期: 2022-07-15
- 录用日期: 2022-07-25
- 网络出版日期: 2022-09-27

Application of Fourier Transform Near-Infrared Spectrometer in Gasoline and Diesel Analysis

LI Qi^1
,,
DU Biao²,
ZHANG Zhengdong^{1
, ,},
CHEN Xiaoxiang²,
LI Ke¹,
FANG Xu^{1, 3},
LI Qingwu¹,
SHU Hui¹

1.
National Institute of Metrology, Beijing 100029, China
2.
Beijing Yixingyuan Petrochemical Technology Co. Ltd., Beijing 101301, China
3.
Hefei University of Technology, Hefei 230009, China

摘要

摘要: 汽、柴油是国家重要的能源，汽、柴油质量对环境治理、群众健康以及人身安全有重要影响，因此国家对汽、柴油中各项指标的范围做出了详细规定，包含辛烷值、芳烃、烯烃、苯、馏程等30项指标。传统方法对汽、柴油参数的测定需要使用十六烷值测定仪、气相色谱仪等多种仪器，其时间长、效率低。目前傅里叶变换近红外光谱方法能够同时定量分析以上参数，具有测量参数多、速度快且测量准确度高的优点，在石油产业中得到了迅速的推广及应用。本文阐述了傅里叶变换近红外光谱方法的研究进展，介绍了傅里叶变换近红外光谱仪的基本原理、装置的主要结构及关键技术，以及傅里叶变换近红外光谱仪分析汽、柴油成分方法，并对未来的研究和应用前景进行了展望。
- 汽、柴油组分 /
- 近红外 /
- 傅里叶变换光谱 /
- 红外干涉
Abstract: Gasoline and diesel are important energy sources for China. The quality of gasoline and diesel has an important impact on environmental governance, public health and personal safety. Therefore, China has made detailed regulations on the scope of various indicators in gasoline and diesel, including octane number, aromatic hydrocarbons, olefins, benzene, distillation range and other 30 indicators. The traditional method for the determination of gasoline and diesel parameters requires the use of cetane number analyzers, gas chromatographs and other instruments, which take a long time and have low efficiency. At present, the Fourier transform near-infrared spectroscopy (FT-NIRS) method can quantitatively analyze the above parameters at the same time, and has the advantages of many measurement parameters, fast speed and high measurement accuracy, and has been rapidly popularized and applied in the petroleum industry. This paper expounds the research progress of FT-NIRS, introduces the basic principle of FT-NIRS, the main structure and key technology of the device, and the method of FT-NIRS to analyze the composition of gasoline and diesel , and the future research and application prospects are prospected.
- gasoline/diesel components /
- near-infrared /
- Fourier transform spectrum /
- infrared interference

HTML全文

图 1 近红外光谱干涉图

Figure 1. Near-infrared spectral interferogram

下载: 全尺寸图片幻灯片

图 2 两种干涉仪结构

Figure 2. Two types of interferometer structure

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图 3 光束倾角产生干涉环

Figure 3. Interference rings generated by beam divergence

下载: 全尺寸图片幻灯片

图 4 装置图片

Figure 4. Physical drawing of the device

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图 5 乙醇汽油红外光谱测试图

Figure 5. Infrared spectroscopy test picture of ethanol gasoline

下载: 全尺寸图片幻灯片

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