31. What is the function of a steam seal extractor in a turbine’s steam seal system?

2021-09-29View Original

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31. What is the function of a steam seal extractor in a turbine’s steam seal system?

Reply #22021-09-30

The function of the shaft seal extractor is to create a certain negative pressure in the shaft seal chamber, thereby drawing away the steam generated by the shaft seal and preventing it from escaping. At the same time, this steam is used to heat the condensate water inside the shaft seal heater.

Reply #32021-09-30

Assume that the steam seal extraction is used to create a negative pressure in order to prevent the escaping steam from entering the bearing shells axially, thereby avoiding impacts on the quality of the lubricating oil.

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