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Drying characteristics of low rank coals in a pressurized flash drying system

机译:加压闪蒸系统中低级煤的干燥特性

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Drying characteristics of low rank coals were examined and determined using a pressurized flash drying system which consisted of a pressurized feeder, rolled tubes (maximum of 6 m), a cyclone, and a back pressure regulator. The effect of the operating conditions, such as pressure (maximum of 40 bar), gas outlet temperature (maximum of 300 degrees C), particle sizes (212-300 and 300-355 mu m) and residence time (maximum of 1 s) on the drying ratio was investigated and analyzed. The study results show that temperature is a more effective factor than pressure. A correlation equation to predict the drying ratio of coals was suggested based on operation conditions. (c) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译:使用加压闪蒸系统检查和测定低等级煤的干燥特性,该加压闪蒸系统由加压进料器,轧制管(最大6米),旋风和背压调节器组成。 操作条件的效果,如压力(最大40巴),气体出口温度(最大300℃),粒度(212-300和300-355μm)和停留时间(最大值为1 s) 研究和分析干燥比。 研究结果表明,温度比压力更有效。 基于操作条件,提出了预测煤的干燥比的相关方程。 (c)2017年韩国工程和工程化学学会。 elsevier b.v出版。保留所有权利。

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