Co-combustion performance analysis of a Fujian anthracite with Cunninghamia lanceolate and Mycorrhizal plants

IF 2.1 4区 化学 Q3 CHEMISTRY, PHYSICAL
Zheng Zou, Yangui Chen, Jieqing Zheng, Xiao-dong Zhang, Hongzhou He
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引用次数: 1

Abstract

The co-combustion characteristics of Fujian anthracite with two biomasses (i.e. Cunninghamia lanceolata) and Mycorrhizal plants in different proportions were investigated using thermogravimetric analysis. The result showed that first, the co-combustion processes of Fujian anthracite with the two biomasses (Cunninghamia lanceolata and Mycorrhizal plants) proceeded in three stages, separation and combustion of volatiles, combustion of fixed carbon in the biomass, and combustion of fixed carbon in Fujian anthracite. Secondly with increasing proportion of biomass, the co-combustion of Fujian anthracite with Cunninghamia lanceolata and Mycorrhizal plants shifted to a low-temperature zone, with a lower ignition temperature, shortened burnout time, and growth of both combustibility index (Ci) and comprehensive combustion index S. Finally, at different mixing proportions, the comprehensive combustion index S during co-combustion of FW with Mycorrhizal plants is always larger than that during co-combustion with Cunninghamia lanceolata; therefore, FW and Mycorrhizal plants exhibit superior comprehensive co-combustion performance to FW and Cunninghamia lanceolata. Analysis of various parameters pertaining to combustion performance shows that the ignition and combustion performance of Fujian anthracite was improved as long as the Fujian anthracite was mixed with around 20% biomass.
福建一种无烟煤与杉木、菌根植物共燃性能分析
采用热重分析法研究了福建无烟煤与杉木两种生物质和不同比例菌根植物的共燃特性。结果表明:首先,福建无烟煤与杉木和菌根植物两种生物质共燃烧过程分为挥发分分离燃烧、生物质中固定碳燃烧和福建无烟煤中固定碳燃烧三个阶段;其次,随着生物量比例的增加,福建无烟煤与杉木、菌根植物共燃向低温区转移,着火温度降低,燃尽时间缩短,可燃性指数(Ci)和综合燃烧指数s均呈增长趋势。FW与菌根植物共燃烧时的综合燃烧指数S始终大于与杉木共燃烧时的综合燃烧指数S;因此,FW和菌根植物的综合共燃性能优于FW和杉木。对燃烧性能的各项参数分析表明,只要福建无烟煤中添加20%左右的生物质,福建无烟煤的点火和燃烧性能就会得到改善。
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来源期刊
CiteScore
2.10
自引率
0.00%
发文量
5
审稿时长
2.3 months
期刊介绍: The journal covers the fields of kinetics and mechanisms of chemical processes in the gas phase and solution of both simple and complex systems.
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