Prediction of ash flow temperature based on liquid phase mass fraction by FactSage

To investigate the relationship between flow temperature (FT) and the temperature that corresponds to different liquid phase mass fractions, the FTs of 10 coal ashes and 45 synthetic ashes were tested by an ash-fusion-temperature analyzer. The linear correlation between the FT and the temperature th...

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Bibliographic Details
Published in:Journal of the Energy Institute 2020-12, Vol.93 (6), p.2228-2231
Main Authors: Li, Yang, Li, Fenghai, Ma, Mingjie, Yu, Bing, Zhao, Chaoyue, Fang, Yitian
Format: Article
Language:English
Subjects:
Correlation
Empirical model
Flow temperature
Liquid phase mass fraction
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Summary:To investigate the relationship between flow temperature (FT) and the temperature that corresponds to different liquid phase mass fractions, the FTs of 10 coal ashes and 45 synthetic ashes were tested by an ash-fusion-temperature analyzer. The linear correlation between the FT and the temperature that corresponded to a 90% liquid phase (T90) calculated by FactSage was: FT = 245.837 + 0.765T90, and its correlation coefficients was 0.91. This model may be more accurate for low Si/Al coal. The differences between measured and predicted FT based on the model were in the measuring error range. [Display omitted] •Relation for flow temperature and 90% liquid phase content was found.•Relation is FT = 245.837 + 0.765T90 and its correlation coefficient is 0.91.•Measured FT is consistent with predicted FT in error range.
ISSN:1743-9671
DOI:10.1016/j.joei.2020.06.004