How The Efficiency Of Heat Recovery In Iirsg Increased ?

1.	How The Efficiency Of Heat Recovery In Iirsg Increased ?
Answer» It can be INCREASED by generating steam at more than one pressure. Further improvement is possible by heating make up WATER/condensate in HRSG, generating LOW pressure saturated steam or deaeration steam in HRSG using a low pressure evaporator, preheating the make up water in a heat ex-changer before it enters deaerator, and CIRCULATE more water than necessary through the economizer and RECIRCULATE excess to the deaerator. It can be increased by generating steam at more than one pressure. Further improvement is possible by heating make up water/condensate in HRSG, generating low pressure saturated steam or deaeration steam in HRSG using a low pressure evaporator, preheating the make up water in a heat ex-changer before it enters deaerator, and circulate more water than necessary through the economizer and recirculate excess to the deaerator.

Answer»

It can be INCREASED by generating steam at more than one pressure.

Further improvement is possible by heating make up WATER/condensate in HRSG, generating LOW pressure saturated steam or deaeration steam in HRSG using a low pressure evaporator, preheating the make up water in a heat ex-changer before it enters deaerator, and CIRCULATE more water than necessary through the economizer and RECIRCULATE excess to the deaerator.

It can be increased by generating steam at more than one pressure.

Further improvement is possible by heating make up water/condensate in HRSG, generating low pressure saturated steam or deaeration steam in HRSG using a low pressure evaporator, preheating the make up water in a heat ex-changer before it enters deaerator, and circulate more water than necessary through the economizer and recirculate excess to the deaerator.

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