Why is condensate recycling placed behind mechanical seal heating?

Introduction Why is the condensate recirculation placed behind the mechanical seal heater? 1. Flow in the system is low at the start of startup. Recirculation increases the flow rate in the loop and avoids cavitation of the condensate pump (main role).

Why is condensate recycling placed behind mechanical seal heating?

1. The flow rate in the system is low at the initial stage of startup, and recirculation increases the flow rate in the loop to avoid cavitation of the condensate pump (main role)

2. the mechanical seal heater, during the initial start-up phase. When the load is low, the condensed water flow is very low. If the mechanical seal heater is not completely cooled, the shaft fan outlet may contain steam, which will not be easily cooled. forming a slight negative pressure, which results in poor vapor return to the mechanical seal. Therefore, if the circulation inlet is after the mechanical seal heater.

The reason why the condensate recirculation of the steam turbine condenser must be connected after the plus shaft;

Because at the beginning of the steam turbine start-up, the condensate system and the shaft no longer functione and the lowest is usually started randomly, but because the condensate water quality is not qualified and cannot be recycled to the deaerator, the condensate water recirculation is connected behind the shaft plus and startup. The condensate water drain is connected behind the Low Plus outlet to ensure that the Plus shaft and Low Plus are cooled. Use water.

The steam turbine is a rotating machine that converts the energy of steam into mechanical work. Also called a steam turbine. It is mainly used as a prime mover for power generation and can also directly drive various pumps, fans, compressors and ship propellers.

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