Research on the evolvement of morphology of coking coal during the coking process

Xiangyun Zhong , Shiyong Wu , Yang Liu , Zhenning Zhao , Yaru Zhang , Jinfeng Bai , Jun Xu , Bai Xi


Received ,Revised , Accepted , Available online March 11, 2014

Volume ,2013,Pages S186-S189

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The evolvement of morphology and structure of the coal with different metamorphic degrees during coking process in the vertical furnace was investigated by infrared Image detector. Moreover, the temperature distribution in the radial direction and the crack formation were also studied in heating process. The results show that the amount of crack and the shrinkage level of char decrease with the coal rank rising. In addition, the initial temperature of crack formation for char increases with the coal rank rising.

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