Experimental Study on Super-heated Steam Drying of Lignite

被引：6

作者：

Shi, Yongchun ^{[1
,2
]}

Li, Jie ^{[2
]}

Li, Xuanyou ^{[2
]}

Wu, Jing ^{[1
,2
]}

Wu, Maogang ^{[2
]}

Li, Sheng ^{[2
]}

Wang, Hongyao ^{[2
]}

Zhao, Gaiju ^{[2
]}

Yin, Fengjiao ^{[2
]}

机构：

[1] Shandong Univ, Sch Energy & Power Engn, Jinan 250100, Peoples R China

[2] Shandong Acad Sci, Ind Energy Conservat Res Ctr, Jinan, Peoples R China

来源：

RENEWABLE AND SUSTAINABLE ENERGY, PTS 1-7 | 2012年 / 347-353卷

关键词：

lignite; super-heated steam drying; drying kinetics; hot air drying; drying curve; drying rate; LOW-RANK COALS; PART; 2;

D O I：

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

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

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 degrees 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.

引用

页码：3077 / +

页数：2

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