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26-11-2007, 06:16 AM #1
De superheater in Air Cooled Chiller
Can any one please tell how doees a De superheater in air cooled chiller work? What are its advantages.
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26-11-2007, 07:38 PM #2
Re: De superheater in Air Cooled Chiller
Desuperheater removes heat from superheated refrigerant gas after compression, but it does not remove enough heat to cause condensation of the refrigerant. The advantage is the relatively high temperature of the removed heat, the disadvantage is that the desuperheater is normally limited to 5-25% of total heat rejection.
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26-11-2007, 09:02 PM #3
Re: De superheater in Air Cooled Chiller
As NoNickName stated the purpose of the desuperheater is to remove temperature from the gas stream.
NoNickName, nice to see you around here. How is your work progressing?If all else fails, ask for help.
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27-11-2007, 12:03 PM #4
Re: De superheater in Air Cooled Chiller
What is the advantage of de-superheating the hot gas when it would otherwise be cooled by air on the air cooled condenser any way especially when both heat is to be dissipated to the ambient air. I am assuming that the de-superheater would be in operation when the chiller is operated to cool.
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27-11-2007, 12:20 PM #5
Re: De superheater in Air Cooled Chiller
Hi, Rabindra
Originally Posted by NoNickName
Best regards, Josip
It's impossible to make anything foolproof because fools are so ingenious...
Don't ever underestimate the power of stupid people when they are in large groups.
Please, don't teach me how to be stupid....
No job is as important as to jeopardize the safety of you or those that you work with.
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28-11-2007, 12:13 AM #6
Re: De superheater in Air Cooled Chiller
The advantage is the higher temperature than condensing temperature. So, if you need to recover heat at e.g. 70°C you can't use a condenser. You need a desuperheater.
And for US Iceman, I'm back in town. Leaving the new job for a refrigeration compressors manufacturing company. I'll be around more and more frequently.
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