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Spouted bed drier
Author(s) -
Peterson W. S.
Publication year - 1962
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450400512
Subject(s) - air temperature , moisture , inlet , water content , environmental science , particle (ecology) , particle size , materials science , pulp and paper industry , composite material , chemistry , meteorology , geography , geotechnical engineering , engineering , geology , mechanical engineering , oceanography
The first commercial spouted bed driers have been installed in Canada and one has been used to dry three types of peas, lentils and flax. The data obtained from this drier have been compared and correlated with previous drying studies in various laboratory spouted bed driers. An empirical relationship between solids temperature and other variables has been obtained:\documentclass{article}\pagestyle{empty}\begin{document}$$ T_K = 111\frac{{T_A^{0.63} d_{gm}^{\,\,\,\,0.57} D_c^{- 0.38}}}{{F^{0.24} M_f^{0.29}}} - 2 $$\end{document}where T K and T A are respectively the particle and inlet air temperature, d gm the particle diameter, D o the column diameter, F the feed rate and M f the feed moisture content. High drying capacity was achieved through the use of high air temperatures with the result that a two foot diameter spouted bed heater (plus cooler) dried almost two tons per hour of peas through 8.8% moisture range. No damage was evident in materials dried.