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The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.
掌握煤粉锅炉一次风管中煤粉浓度的分布情况，对提高锅炉效率有很重要的意义。
参考来源 - 煤粉锅炉一次风管中煤粉浓度的数值分析·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明，缩短一次风管道内导流板的长度是可行的。
The test results show that it is feasible to shorten the length of guide plate in a primary air pipe duct.
掌握煤粉锅炉一次风管中煤粉浓度的分布情况，对提高锅炉效率有很重要的意义。
The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.
在增加磨煤机再循环风管的同时缩小一次风管径，使进入炉膛的冷风量减少了8.12%(总风量)。
Through installing recirculation tube on the mill and shrinking the primary air pipe diameter, the percentage of cool Sir To combustor is reduced by 8. 12%.
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