Why does the turbine shaft seal not emit vapor when operating normally?
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This post was last edited by Ah on 2015-12-8 at 13:44. It’s a Hangqi 12wm engine set. Why does the front shaft seal (high-pressure section shaft seal) not emit vapor when operating normally?
Don’t your turbines have steam seal coolers? If they do, then the steam seal coolers are the ones that draw away the heat
All the shaft seals of Hangqi vehicles are equipped with signal tubes; it does not indicate whether the temperature of the steam escaping is high.
Is the seal steam pressure not sufficient? What about condensate drainage?
The steam seal of the new unit is more tight, resulting in less steam leakage.
It’s possible that the high temperature prevents visibility of the shaft seal steam
There is a gas seal pump that creates a negative pressure in the middle of the gas seal; the steam is drawn away by this pump, so no air leakage can be observed on the press.
Anshan Sidasike – specialized on-on-site laser repair of deformations, air leaks, and motor rotor journal issues in high-pressure inner cylinder joints
Not at all? It’s impossible~
The steam from the front steam seal becomes superheated after being heated! ! The rear steam seal is saturated steam! ! Can superheated steam be seen? :@
With a proper seal in place, very little vapor comes out of the signal tube; it’s possible to see some vapor when the external temperature is low, making it easier to observe this phenomenon in winter