Coal powder quality and air dynamic characteristics play an important role in the process of the steady combustion of boiler.

煤粉气流性质和炉内空气动力特性对锅炉的稳定燃烧起着重要作用。

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The fineness of coal powder from the pulverizing system and the coal variety effective on the fume discharge temperature of boiler have been analysed in the paper.

分析了制粉系统煤粉细度和煤种及运行方式对锅炉排烟温度的影响，并且提出了一些措施，供参考。

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Coal powder and combustion condition play an important role in the process of the steady combustion of boiler.

煤粉和燃烧环境对锅炉的稳定燃烧起着重要的作用。

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