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why high pressure heater will take after sufficient pressure?
what happen when high pressure heater will take from COLD
REHEAT line at light up time when hp and lp by pass in
service.(means can we heater take at low pressure?)

Answers were Sorted based on User's Feedback



why high pressure heater will take after sufficient pressure? what happen when high pressure heater..

Answer / chinmay kumar patra

feed water temperature will be very high ie above design temperature.so super heater temperature will be very high .there is a chance of SH tube rupture due to less heat exchange.also we have to load gradually and loading on BFP will be more.

Is This Answer Correct ?    1 Yes 0 No

why high pressure heater will take after sufficient pressure? what happen when high pressure heater..

Answer / chetan h malaviya

We can take CRH extraction line(HPH 6) in line during lit up but at that time pressure of CRH line must be >5 kg/cm2 and corresponding degree of super heating must be >100 'C

Is This Answer Correct ?    0 Yes 0 No

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