介绍了背压式汽轮机积盐积垢的处理方法—过饱和蒸汽法，通过清洗使汽轮机的出力率得以提高。
A treatment method of super-saturation steam for deposited salt in steam turbine is introduced, output of the steam turbine is therefore improved through purge.
可溶磷降低二水石膏脱水温度和液相过饱和度，使二水石膏晶体粗化，硬化体强度降低。
It reduces dehydration temperature and solubility of dihydrate gypsum, makes gypsum crystals thick and wide, and reduces the strength of hardened body.
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