primary y combustion air 初级燃烧空气
The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.
测试结果表明，影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律，同时与炉膛内总风量、一二次风量的配比有关。
In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.
在实验中，主要通过调整一次空气系数和引射器喷口的大小，达到稳定燃烧的运行工况。
The creditable measurement of pulverized coal concentration in primary air is the basis of combustion optimization and safe operation of utility boilers.
一次风煤粉浓度的可靠测量是电站锅炉燃烧优化和安全经济运行的前提条件。
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