蒸汽冷却器是一种冶金的专业术语。 一种兼有蒸锅密封盖作用和能连续工作的盖式蒸汽冷却器，它的特点是蒸汽冷却器和蒸锅组成为一体，蒸汽冷却在蒸锅的夹层密封盖中进行。其特征是内盖1和外盖2形成冷却室3，盖顶中央设有冷却剂内出口和外出口。当蒸锅产生的蒸汽进入夹层盖中的冷却管中，将热量传递给冷却管外逆行流动的冷却剂中，蒸汽被冷却成为液体流出，冷却剂受热后经内盖出口流入蒸锅内，进行连续蒸馏。
介绍一例：利用管式蒸汽冷却器将背压机排汽加热凝汽机给水，从而提高机组热经济性。
Here an example is: heating the feedwater of condensing turbine by exhaust steam of a back pressure turbine (through tubular steam cooler) to raise the set's heat economy.
虽然制冷系统会降低空气的湿度(因为凝结作用会带走部分水蒸气)，但是蒸汽冷却器却能够增加空气湿度。
Whereas refrigerative systems reduce the humidity of air (because some water vapour condenses and is drained away), evaporative coolers increase humidity.
与蒸汽过热器串联一台烟气冷却器，不仅解决了上述问题，还充分利用了烟气多余的热量。
After the steam superheater was connected in series with a set of flue gas cooler, not only solved the above mentioned problems, but also made full use of flue gas surplus heat.
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