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Turbine shaft seal heater

2010-09-05View Original

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This post was last edited by lizhenpeng on 2010-9-18 at 12:27. What is the function of the turbine shaft seal heater? And why do some units have it while others don’t?:
Reply #22010-09-20
It might be the steam used to heat the shaft seal, especially unsaturated steam that contains moisture. It is generally used in units with relatively low steam parameters.
Reply #32010-11-03
Condensing-type steam turbines have this feature, while back-pressure type turbines do not; it is mainly used to prevent air from leaking into the condensing system, serving as an airtight seal

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Translated at 2026-07-24 23:57:03

Original: https://bbs.hcbbs.com/thread-727628-1-1.html

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