In this paper, the ignition temperatures (Ti) of seven kinds of coals were measured by using thermlgravimetric analyzer (TGA). A TG-DTG method was suggested to determine the ignition temperature. This method is simple, convenient, standardized and with high repeatability. The relations between Ti and volatile content and active energy are analyzed. Compared with the ignition temperatures measured in a bench scale fluidized bed and boiler test, Tis derived from TG-DTG method have nearly same tendency with changing volatile content, but have 100°C deviation below those measured in fluidized bed. The results strongly indicate that TG-DTG method can substitute the fluidized bed method and boiler test for measuring ignition temperature of a coal with an off-set adjustment.
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18th International Conference on Fluidized Bed Combustion
May 22–25, 2005
Toronto, Ontario, Canada
Conference Sponsors:
- Advanced Energy Systems
ISBN:
0-7918-4183-9
PROCEEDINGS PAPER
Determination of Ignition Temperature of Coal by Using Thermogravimetry
Hairui Yang,
Hairui Yang
Tsinghua University, Beijing, China
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Jiansheng Zhang,
Jiansheng Zhang
Tsinghua University, Beijing, China
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Guangxi Yue
Guangxi Yue
Tsinghua University, Beijing, China
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Wenbin Hu
Tsinghua University, Beijing, China
Hairui Yang
Tsinghua University, Beijing, China
Junfu Lu
Tsinghua University, Beijing, China
Hai Zhang
Tsinghua University, Beijing, China
Jiansheng Zhang
Tsinghua University, Beijing, China
Qing Liu
Tsinghua University, Beijing, China
Guangxi Yue
Tsinghua University, Beijing, China
Paper No:
FBC2005-78135, pp. 557-562; 6 pages
Published Online:
October 7, 2008
Citation
Hu, W, Yang, H, Lu, J, Zhang, H, Zhang, J, Liu, Q, & Yue, G. "Determination of Ignition Temperature of Coal by Using Thermogravimetry." Proceedings of the 18th International Conference on Fluidized Bed Combustion. 18th International Conference on Fluidized Bed Combustion. Toronto, Ontario, Canada. May 22–25, 2005. pp. 557-562. ASME. https://doi.org/10.1115/FBC2005-78135
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