The main reasons to the rotary air pre-heater secondary combustion are related to unstable oil gun combustion, internal oil leakage and insufficient soot-blower steam pressure, etc.

锅炉回转式空气预热器发生二次燃烧的主要原因与油枪燃烧不稳定、内部有漏油和吹灰蒸汽压力不够等相关。

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The burner adopts a separated burner and the air used for combustion is pre-heater.

燃烧机采用了分体式燃烧机，并用空预热器加热了燃烧用空气。

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First, this paper conducted a combustion air experiments at different temperatures, and made comparative tests on heat sink of the heater of different scenarios.

首先本文对加热器进行了助燃风不同温度的试验，并对加热器散热片做了不同情况下的对比试验。

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