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["主要原因有哪些?", "主要原因有:汽温汽压 下降,通流负荷及回热加热器停用。", "汽温汽压下降,通流负荷或某几段回热抽汽减小;". "凝结器真空降低过多;隔板轴封间隙因磨损使漏汽增大;". "蒸汽品质不良,造成通流部分结垢:".若您发现提供的翻译中存在错误或 "发生发生水冲击事故时。]

2018-12-05View Original

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汽轮机轴向位移增大的主要原因有: (1) 汽温汽压下降,通流部分过负荷及回热加热器停用。 (2) 隔板轴封间隙因摩损而漏汽增大。 (3) 蒸汽品质不良,引起通流部分结垢。 (4) 发生水冲击。 (5) 汽轮机过负荷,一般来讲凝汽式汽轮机的轴向推力随负荷的增加而增大;对抽汽式或背压式汽轮机来讲,最大的轴向推力可能在某一中间负荷时。 (6) 推力瓦损坏。
Reply #22018-12-14
(1)汽温汽压下降,逐流部分过负荷或某几段回热抽汽减小; (2)凝结器真空降低过多; (3)隔板轴封间隙因磨损使漏汽增大; (4)蒸汽品质不良,造成通流部分结垢: (5)发生水冲击事故时。

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