Experimental Study on Super-Heated Steam Drying of Lignite

Abstract:

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This paper applies super-heated steam drying technology to improve the quality of lignite. A unique experimental system was built up. In order to obtain the optimum operation conditions, the drying kinetics was measured. The temperature range of super-heated steam was from 120 to 200°C. The results showed that the drying process of super-heated steam drying of lignite can be well depicted by two stages, as a constant drying rate stage followed by a falling drying rate stage. The comparison of drying process to the hot air drying showed the superior advantages of super-heated steam drying on safety, drying capacity and energy conservation. Analysis shows the huge application potential of lignite in power plants by means of the super-heated steam drying.

Info:

Periodical:

Advanced Materials Research (Volumes 347-353)

Edited by:

Weiguo Pan, Jianxing Ren and Yongguang Li

Pages:

3077-3082

DOI:

10.4028/www.scientific.net/AMR.347-353.3077

Citation:

Y. C. Shi et al., "Experimental Study on Super-Heated Steam Drying of Lignite", Advanced Materials Research, Vols. 347-353, pp. 3077-3082, 2012

Online since:

October 2011

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Price:

$35.00

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