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Simulating Single Drum Supplementary Fired Hrsg In Aspen Hysys

aspen hysys hrsg exergy supplementaryfiring combined cycle

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#1 andry.at


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Posted 25 August 2022 - 06:43 AM

Dear everyone,

I've simulated a supplementary fired HRSG in Aspen Hysys. The trouble is, my HE delta T doesn't match with the operation parameters. The flue gas delta T of secondary superheater in actual operation is 85.7 C while the simulation is 27.6 C. How to solve this problem? Thank you.



Please note that i used cooler as desuperheater and i'm not using steam drum as i can't model it in aspen hysys.


Here's the link for the flowsheet picture


Edited by andry.at, 25 August 2022 - 06:45 AM.

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