The variations of lower heating value, theoretical air fuel ratio and combustion potential of natural gas fuel were investigated according to the variation of natural gas composition in China.
根据中国天然气组分变化的情况，研究了天然气组分变化时，燃料的低热值、理论空燃比和燃烧势等燃烧参数的变化；
The results illustrate that primary air ratio has a major effect on pulverized coal ignition and minor effects on gas temperature, oxygen concentration and unburned carbon at furnace exit.
结果表明：一次风率对煤粉气流的着火影响较大，而对出口处烟气温度、氧量以及飞灰含碳量影响较小。
This paper presents a new method of detecting whole premixing combustion air-gas ratio, describes the principles and operational steps of the method, and analyzes its application prospect.
文章提出了一种全新的检测全预混燃烧空燃比的方法，并阐述了该方法的原理和操作步骤，分析了这种新方法的应用前景。
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