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汽轮机轴封系统的工作原理
更新时间: 2020-06-30 00:00:00  

汽轮机轴封系统的工作原理: 机组正常运行时轴封系统汽源来自二段抽汽,而机组启停或低负荷时由于二段抽汽压力太低,故用新蒸汽给轴封系统供汽,为了维持供汽压力稳定,通过均压箱上的压力调整器来实现,均压箱压力太高时,则压力调整器动作,减小进入均压箱的蒸汽量,若仍然太高,部分蒸汽将进入凝汽器;若均压箱压力较低,则进行相反的操作,使之维持均压箱压力稳定。

关键词: 汽轮机 系统 工作 原理

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