A device that heats saturated steam generated in the boiler body under constant pressure to evaporate the water and then superheats the entire steam above the saturation temperature to turn it into superheated steam. The use of superheated steam in steam power plants provides benefits such as increased theoretical thermal efficiency, increased heat drop, reduced pipe friction, and reduced corrosion of the steam motor, mainly the steam turbine blades, caused by moisture. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ボイラ本体で発生した若干の水分を含んだ飽和蒸気を等圧のもとで加熱することにより,水分を蒸発し,さらに全体を飽和温度以上に過熱して過熱蒸気にするための装置。過熱蒸気を使用することにより蒸気原動所では,理論熱効率の増加,熱落差の増加,管摩擦抵抗の減少,水分による蒸気原動機,主として蒸気タービン翼の腐食の軽減,などの利益が得られる。
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