Influencing factors on heat efficiency of tubular heaters are analyzed, which mainly include excess air factor, imperfect combustion and exhaust temperature.
分析了影响管式加热炉热效率的因素，主要包括过剩空气系数、不完全燃烧、排烟温度等。
The optimum operation of pulse combustor means successful ignition and stable combustion with high intensity, low excess air and low co emission.
脉冲燃烧器的最佳运行工况应能顺利点火并在低过剩空气系数下高强度稳定燃烧。
Researches on combustion characteristic of raw gas have been done at different excess air coefficients in the article.
对粗煤气在不同过量空气系数下的燃烧特性进行了研究。
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