4 replies to this topic

[asade abiodun]

Good day All,

Please, i need information on how to design an air cooler (its power requirement and fans brake horsepower) to handle natural gas from a compressor to cool it down.

The process information is stated below:

Gas flow rate: 1738 mmscfd
Expected inlet temperature to cooler: 60 deg.C
Compressor Discharge presuure: 1250 psig
Expected outlet temperature from Air-cooler: 45 deg.C
Allowable pressure drop across cooler: 10 psi
Average ambient temperature:30 deg.C
Heat Capacity: 2.601 kJ/kg.degC

Thanks for your anticipated cooperation.

[breizh]

Hi asade,

Let you consider this calculator, at least you can get indications and references :

http://www.gearainey...Calculator.html

Hope this helps

Breizh

[sheiko]

Hi,

The attached article will surely help you.

Attached Files

•  Effectively Design ACHE\'s.pdf   1.64MB   247 downloads

[mvp]

You are on the border-line for Air coolers
With Inlet @ 60C and expecting 45 C on the process side, with an Air cooler, is simply not good economics.

If you still want to use an air cooler:
1. If you want an approximate answer, try Hudson Products, ACHE software; free to download
2. Else use a good sizing tool like HTRI or ASPEN EDR

MVP

[asade abiodun]

Breizh and Sheiko, thanks for the information.

i contacted Hudson for their technical input and they responded well.

By the way, i think hedi01 should understand that this forum is to discuss technical matters not movies.

Administrator, please take note.