基于激光诱导荧光光谱技术的生物质热反应过程研究进展

赵峥; 苏胜; 宋亚伟; 刘舆帅; 陈逸峰; 贾萌川; 许凯; 汪一; 胡松; 向军

doi:10.1016/S1872-5813(23)60338-X

基于激光诱导荧光光谱技术的生物质热反应过程研究进展

doi: 10.1016/S1872-5813(23)60338-X

赵峥^1,,
苏胜^1, ,,
宋亚伟^1,,
刘舆帅^2,,
陈逸峰^1,,
贾萌川^1,,
许凯^1,,
汪一^1,,
胡松^1,,
向军^1,

1.
华中科技大学能源与动力工程学院煤燃烧国家重点实验室, 湖北武汉 430074
2.
中国科学院工程热物理研究所, 北京 100190

基金项目: 国家重点研发计划项目（2022YFB4202003）资助

详细信息

作者简介:
赵峥（1998－），男，河北省人(籍贯)，硕士研究生，研究方向：激光诊断燃烧。E-mail: 1123630448@qq.com

通讯作者:
E-mail: susheng@mail.hust.edu.cn

中图分类号: TK6
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- 被引次数: 0
出版历程
- 收稿日期: 2022-10-23
- 修回日期: 2022-11-23
- 录用日期: 2023-01-12
- 网络出版日期: 2023-01-18
- 刊出日期: 2023-07-01

Research progress in thermal reaction processes of biomass with laser-induced fluorescence spectroscopy

ZHAO Zheng^1
,,
SU Sheng^{1
, ,},
SONG Ya-wei^1
,,
LIU Yu-shuai^2
,,
CHEN Yi-feng^1
,,
JIA Meng-chuan^1
,,
XU Kai^1
,,
WANG Yi^1
,,
HU Song^1
,,
XIANG Jun^1
,

1.
State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430070, China
2.
Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China)

Funds: The project was supported by the National Key Research and Development Plan Subject (2022YFB4202003)

摘要

摘要: 深入了解生物质的热解、燃烧特性以及碱金属的生成特性是生物质清洁高效利用的理论基础。传统的测量手段由于测量精度低以及时间滞后等问题，对于生物质热反应过程认识存在不足。激光诱导荧光（LIF）技术具有非接触、实时在线、高空间分辨率、连续性等优点，其用于生物质热反应过程的研究报道越来越多。本研究主要综述了近年来LIF技术在生物质热解过程、燃烧过程及燃烧过程中碱金属释放特性的应用进展，分析了不同反应条件下生物质热解过程中挥发分的生成演化行为及其形成机理，阐述了生物质燃烧过程中火焰结构信息及碱金属的释放迁移转化特性，提出了当前研究存在的一定不足及未来研究方向。
- 生物质 /
- 热解 /
- 燃烧 /
- 碱金属 /
- 激光诱导荧光技术
Abstract: A profound study on the characteristics of pyrolysis and combustion of biomass and the generation and transfer of alkali metals can provide theoretical basis for the clean and efficient utilization of biomass. Due to the low measurement accuracy and time lag, traditional measurement methods have insufficient understanding of the biomass thermal reaction process. Laser induced fluorescence (LIF) technology has the advantages of non-disturbance, real-time in-situ measurement, strong component selectivity, good sensitivity, and high spatial and temporal resolution, which has been used in more and more studies on the biomass thermal reaction processes. This paper mainly reviews the application of LIF technologies in the research on the characteristics of biomass pyrolysis, combustion, and alkali metal release in recent years, analyzes the release and evolution behavior and formation mechanism of volatile matter during biomass pyrolysis under different reaction conditions, and expounds the flame structure information and alkali metal release, migration, and transformation characteristics during biomass combustion. Finally, some shortcomings in the current research and the future research directions are put forward.
- biomass /
- pyrolysis /
- combustion /
- alkali metal /
- LIF

HTML全文

FIG. 2461. FIG. 2461.

FIG. 2461. FIG. 2461.

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图 1 三能级跃迁图^[17]

Figure 1 Three-level transition diagram^[17] (with permission from doctoral thesis)

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图 2 LIF技术检测生物质热解过程主要热解产物荧光光谱谱图^[18]

Figure 2 Fluorescence spectra of aromatic ring substances detected by LIF technology during biomass pyrolysis ^[18] (with permission from doctoral thesis)

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图 3 不同温度条件下PAHs图像^[27]

Figure 3 PAHs images under different temperature conditions ^[27] (with permission from creative commons)

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图 4 纤维素、木质素及木材热解机理示意图^[30]

Figure 4 Pyrolysis mechanism of cellulose, lignin and wood^[30] (with permission from Elsevier)

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图 5 颗粒群射流火焰的OH瞬态分布^[37]

Figure 5 OH transient distribution of jet flame from particle swarm^[37] (with permission from Journal of Experiments in Fluid Mechanics)

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图 6 不同氧气浓度下木屑颗粒OH-PLIF图像

Figure 6 OH-PLIF images of wood particles under different oxygen concentrations

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图 7 不同氧气浓度下OH荧光信号强度随时间的变化

Figure 7 Image of OH fluorescence signal intensity with time under different oxygen concentrations (t_ign stands for ignition delay time)

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图 8 玉米秸秆燃烧过程钾原子二维分布^[44]

Figure 8 Two-dimensional distribution of potassium atoms during corn stover combustion^[44] (with permission from Elsevier)

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图 9 煤及生物质燃烧过程中碱金属释放及转化^[45]

Figure 9 Release and transformation of alkali metals during coal and biomass combustion (M represents K or Na)^[45]

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