Why Boiler Drum vent Close at 2 kg/cm2 during start-up |Why Boiler Drum vent open at 2 kg/cm2

Why Boiler Drum vent Close at 2 kg/cm2 during start-up |Why Boiler Drum vent open at 2 kg/cm2 during shutdown |
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[@jagdishkandekar917]

Thank you sir

[@sandeeppatnaik2156]

Very informative video Sir

[@petuskhileo6777]

Sir pls make a video about bfp and its components like mechanical seal coolers,balancing line,scoop working .

[@kpatelbla]

Ok

[@petuskhileo6777]

@@kpatelbla Thanks sir,u r doing a great job for enhancing knowledge of all the power sector people.This channel will be a standard reference and learning point for all future entrants in this field

[@satcool-ps1uv]

Nice vedio

[@motive0507]

Could you please tell me Why condenser back flushing has done at minimum load?

[@kpatelbla]

As during condenser back flushing CW water is used to back flush the condenser tubes so cooling capacity reduced substantially that's why minimum load ensured before doing the same.

[@Valiskm]

Sir, for boiler at 2kg pr to avoid vaccum we are opening vents ,than how condenser is protected from vacuum.pls clarify

[@kpatelbla]

The main reason is Boiler Drum manhole gasket which is disturb below atmospheric pressure (But it can wear high pressure) consequently leakage can occurred from gasket so to prevent the same Boiler Drum vents to be opened at 2 kg/cm2. Condenser all seals / gasket safe at low pressure no issue.