过热器 Superheater
Ø 作用：将蒸汽从饱和温度加热到额定过热温度
Ø 结构：对流过热器、屏式过热器、包墙过热器
Function: To heat steam from saturated temperature to rated superheat temperature.
Structure: Convection superheater, radiant superheater, wall-mounted superheater.
Boiler Components 
