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 use of steam cycle use function, not only reduced the waste steam and water emissions, to better enhance the fabric pre shrinkage effect, thus reducing the steam and energy use.

采用蒸汽循环使用功能，不但减少了废汽和水的排放，更好地加强了布料的预缩效果，从而也减少了蒸汽和电能的使用量。

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Application of PLC C200H on new steam soot-blower in heat pipe pre-heater is introduced.

介绍了可编程控制器c 200h在热管空气预热器新型蒸汽巡扫吹灰系统中的应用情况。

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Other activities include having a temascal, a pre-Hispanic wood-fired steam bath, which can be a good option at the end of a long hike.

BBC: In Oaxaca, a community unchanged

Even the billowing steam, it turned out, was fake: no one had dared stoke up the pre-war boiler.

ECONOMIST: Waiting for Korea��s peace train