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Analysis on the Secondary Carbonization Experiment and the Rule of Temperature Field Evolvement of Coal Sample

机译：二级碳化实验分析与煤样的温度场演化规则

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摘要

The coal sample preparation is an important part for the study of coal's character, and therefore, the man-made secondary carbonization method of coal sample preparation was explored in the text. Firstly, the scheme of secondary carbonization was designed, and then, according to it, the heat transmission and the temperature field evolvement rule were analyzed in the process of carbonization. Finally, the secondary carbonization experiment of coal sample preparation was conducted, and the coal sample was obtained successfully. The results show that the temperature rise velocity in the center of coal sample is from fast to slow in the process of secondary carbonization, and the reasonable calefaction time is about 15000 seconds.
机译：煤样制剂是研究煤炭特征的重要组成部分，因此，在文本中探讨了煤样制剂的人工二级碳化方法。首先，设计了二次碳化的方案，然后，根据它，在碳化过程中分析了热传递和温度场演进规则。最后，进行了煤样制剂的二次碳化试验，成功获得了煤样。结果表明，在二次碳化过程中，煤样中的温度上升速度从速度快到慢，并且合理的鳞化化时间约为15000秒。

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