用回流加热链着火分析法，分析比较了钝体燃烧器和开缝钝体燃烧器不同的稳焰机理。
By the method of circle heating chain analysis, the different mechanism of flame stability between bluffbody burner and slitting bluffbody burner were compared.
这就需要优化燃烧器的结构尺寸，再者，当空气量过多或超负荷下，发生离焰，导致燃烧恶化、火焰熄灭，需要有辅助火焰和钝体稳焰。
Besides, the excess air or excess load will cause flame lift, combustion exacerbation and flame off, and that needs auxiliary flame and flame retention by inactive substance.
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