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浙江大学学报(工学版)
浙江大学学报(工学版)
动力与能源工程     
基于热重红外质谱联用技术定量分析燃煤气体产物
陈玲红,陈祥,吴建,武燕燕,周昊,邱坤赞,岑可法
浙江大学 能源清洁利用国家重点实验室,浙江 杭州 310027
Quantitative analysis of gaseous products evolved by coal combustion using TGFTIRMS technique
CHEN Ling hong, CHEN Xiang, WU Jian, WU Yan yan
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
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摘要：

为了准确定量表征燃煤过程中的多组分混合气体产物,以在氮气气氛中神华混煤热解过程为例,采用热重红外质谱联用技术,结合脉冲热分析法,研究煤热解多组分气体产物的逸出特性,重点讨论载气流量、炉温、红外光谱检测分辨率及扫描次数等参数对气体定量测量的影响,分别建立红外光谱以及质谱定量标定工作曲线,确定CO2和CH4的平均析出量.结果表明,神华混煤热解主要生成CO2,CH4,H2,CO,H2O以及含CH、CO、C=O等官能团的气体；红外光谱标定信号主要受载气流量和分辨率的影响；红外光谱和质谱定量结果存在差异；神华混煤热解过程中每毫克煤样析出CO2和CH4的平均量分别为65.9和24.1 μg.
Abstract:

The pyrolysis of Shenhua blended coal in N2 was investigated using TGFTIRMS coupling system and PulseTA method in order to quantitatively analyze multicomponent gases evolved from coal combustion. The effects of experimental parameters such as carrier gas flow, furnace temperature, detecting resolution and scans of FTIR on gaseous quantitative results were discussed. The quantitative calibration curves for CO2 and CH4 in FTIR and MS were established to calculate their corresponding average yields, respectively. Results show that gases such as CO2, CH4, H2, CO, H2O and molecules with functional groups like CH, CO and C=O, etc. are evolved during the coal pyrolysis. The FTIR calibrating signals are mainly affected by carrier gas flow and FTIR resolution. The inconformity occurs between the signals of FTIR and MS. The average yields of CO2 and CH4 from per milligram of coal during Shenhua blended coal pyrolysis are 65.9 and 24.1 μg, respectively.
出版日期: 2017-01-14
:  TQ 530.2  
基金资助:

国家自然科学基金资助项目（51206144）; 环保部公益资助项目（2014090084）; 国家“973”计划资助资助项目（2015CB251501）; 高等学校学科创新引智计划资助项目（B08026）.
通讯作者: 邱坤赞, 男, 副教授. ORCID: 0000000229540735.     E-mail: qiukz@zju.edu.cn
作者简介: 陈玲红(1972-), 女, 副教授. 从事化石燃烧机理、能源清洁利用、细微颗粒物检测与控制等研究. ORCID: 0000000281714632. E-mail: chenlh@zju.edu.cn
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陈玲红,陈祥,吴建,武燕燕,周昊,邱坤赞,岑可法. 基于热重红外质谱联用技术定量分析燃煤气体产物[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008973X.2016.05.021.

CHEN Ling hong, CHEN Xiang, WU Jian, WU Yan yan. Quantitative analysis of gaseous products evolved by coal combustion using TGFTIRMS technique. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008973X.2016.05.021.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008973X.2016.05.021    或    http://www.zjujournals.com/eng/CN/Y2016/V50/I5/961

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