Combustion, emission and slagging characteristics for typical agricultural crop straw usage in heating plants

被引：14
作者：
Yang, Qin [1 ]
Wang, Tao [1 ]
Wang, Jiawei [1 ]
Sui, Zifeng [2 ]
Wang, Linzhen [3 ]
Zhang, Yongsheng [1 ]
Pan, Wei-Ping [1 ]
机构：
[1] North China Elect Power Univ, Key Lab Power Stn Energy Transfer Convers & Syst, Minist Educ, Beijing 102206, Peoples R China
[2] Inner Mongolia Univ Sci & Technol, Sch Energy & Environm, Baotou 014010, Peoples R China
[3] Shaanxi Phoenix Middle Sch, Xian 710032, Peoples R China
来源：
THERMOCHIMICA ACTA | 2021年 / 702卷
基金：
中国国家自然科学基金;
关键词：
Agricultural crops; Heating plants; Combustion; Emissions; Slagging; FUSION CHARACTERISTICS; KINETIC-PARAMETERS; BED COMBUSTION; ENERGY-SOURCES; BIOMASS; FUEL; ASH; PYROLYSIS; BEHAVIORS; CHEMISTRY;
D O I：
10.1016/j.tca.2021.178979
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The combustion and emissions characteristics of wheat, rice, millet, and tobacco straw are thermally evaluated to overcome the challenges related to their usage in heating plants. Wheat straw exhibits the highest volatile matter, fixed carbon content, and heating value (18.0 MJ/kg). The burning processes of biomass are divided into the vaporisation of moisture, devolatilisation, and oxidation, combustion of char and decomposition of inorganic salts. Wheat straw shows the best combustion, ignition, burnout, and flammability indices of the four analysed crops. It also shows less variation in the determination of the apparent activation energy for the oxidation of volatilisation and the combustion of char and has the highest CO2/CO ratio of 1.17 during combustion. The tendency to cause slagging issues is also evaluated and discussed.
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页数：9
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