Vacuum pump
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Regarding the operation of the turbine exhaust pump, which is the most standard approach? Could some colleagues please share their insights for reference? Thank you!
For condensing steam turbines, to create a negative pressure: first start the startup exhaust pump; once the negative pressure is established, activate the secondary pump, then the primary pump, and finally shut down the startup exhaust pump. Before starting a back-pressure steam turbine, a steam extraction device is activated to create a slight negative pressure, ensuring that the steam leaking from the steam seal does not reach the bearing box or enter the oil system. When putting it into use, pay attention to the U-tube water seal; 10 kilopascals is equivalent to one meter