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: 国家重点研发计划子课题（课题编号2022YFB4202003）

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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出版历程
- 收稿日期: 2022-10-23
- 录用日期: 2023-01-12
- 修回日期: 2022-11-23
- 网络出版日期: 2023-01-18

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

ZHAO Zheng^1
,,
SU Sheng^{1
, ,},
SONG Yawei^1
,,
Liu Yushuai^2
,,
CHEN Yifeng^1
,,
JIA Mengchuan^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: Fund Program: 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越来越多。本文主要综述了近年来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，最后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 thorough understanding of the pyrolysis and combustion characteristics of biomass and the generation characteristics of alkali metals is the 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. It has been used in more and more studies on biomass thermal reaction processes. This paper reviews the main LIF technologies in recent years and reviews the combustion process and combustion process of biomass pyrolysis processes, the progress of the application of alkali metal release features, and analyzes the different reaction conditions or volatile material pyrolysis processes, the generation and evolution behavior and their forming mechanism. This paper expounds the biomass combustion flame structure in the process of information and the release of alkali metal migration characteristics. Finally, some shortcomings in the current research and future research directions are put forward.
- biomass /
- pyrolysis /
- combustion /
- alkali metal /
- lif

HTML全文

图 1 三能级跃迁图^[17]

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

下载: 全尺寸图片幻灯片

图 2 LIF技术检测生物质热解过程主要热解产物荧光光谱图^[18]

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

下载: 全尺寸图片幻灯片

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图^[30]

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

下载: 全尺寸图片幻灯片

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]

下载: 全尺寸图片幻灯片

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.

下载: 全尺寸图片幻灯片

图 7 不同氧气浓度下OH荧光信号强度随时间变化图像；tign代表点火延迟时间

Figure 7 Image of OH fluorescence signal intensity with time under different oxygen concentrations. tign stands for ignition delay time

下载: 全尺寸图片幻灯片

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

下载: 全尺寸图片幻灯片

图 9 煤及生物质燃烧过程中碱金属释放及转化(M代表K或Na)^[45]

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

下载: 全尺寸图片幻灯片

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