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TOPIC: Removable spools for Air-cooler Inlet piping

Removable spools for Air-cooler Inlet piping 2 years 10 months ago #9146

  • Arakeri
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Sir,
To remove the Air-cooler Tube bundle , Is it required to provide break flanges for each Bay of Air-cooler inlet Piping

Removable spools for Air-cooler Inlet piping 2 years 10 months ago #9147

  • Anton
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In a word .... <strong>YES</strong>.

The tube / bundle withdrawal space <strong>must </strong>be clear at the time of withdrawal.<em> (This includes space above the withdrawal space to allow for a monorail, lifting beam, rigging, crane etc.)</em>

The actual break flange can be combined with a valve, to save on the number of flanges used.

In the example attached, showing two exchangers on a skid:
The <strong>yellow</strong> sections of piping are removable from the exchanger nozz. to the valve.
The <strong>Green </strong>sections of piping are permanent.
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- If you're the smartest person in the room ... you're in the wrong room.

Removable spools for Air-cooler Inlet piping 2 years 10 months ago #9148

  • Jop
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Arakeri,
I think more information is required before we can give you a proper answer.

Anton has provided a fine graphic example showing suggested removable spools for Shell & Tube exchanger. However, the concept is not the same for an Air-Cooler.

Tube Bundle removal for an Air-Cooler must take into account many more issues.
These include:
- The configuration of the Air-Cooler (is it Forced Draft or Induced Draft?)
- The configuration of the Inlet and Outlet Nozzles - www.google.com/search?q=Images+of+Fin-Fa...rc=uZgA5TpA56FlnM%3A
or
=609&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjmv9D0uJ3NAhWMRiYKHRAtBkAQsAQINA#imgrc=jW3sEkwIdlZaIM%3A
- The number of Bundles
- The size of the Inlet Header and Branches
- The Location and configuration of the Inlet Header - =609&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjmv9D0uJ3NAhWMRiYKHRAtBkAQsAQINA#imgrc=U2wYgB_9vBTpBM%3A
- The Operating Temperature of the Inlet Service
- The planned support method for the Inlet Header
- The presents (or absents) of Bundle isolation Valves
- Other =609&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjmv9D0uJ3NAhWMRiYKHRAtBkAQsAQINA#imgrc=UUOUlNNGsUKm0M%3A

&source=univ&sa=X&ved=0ahUKEwjmv9D0uJ3NAhWMRiYKHRAtBkAQsAQINA#tbm=isch&tbs=rimg%3ACVFDlJTTRrFCIjjS9A9UaqYnn5OlV3pQ2OSpeOigv4_1DbccKyD8eB2XjRzJINoHPL7Kz-ji732LkJ0PBOJt-OD_1KAioSCdL0D1RqpiefEeJe8dYUkgWxKhIJk6VXelDY5KkRGqQzcLZ-N_10qEgl46KC_1j8NtxxHX-ZjmX9FjNioSCQrIPx4HZeNHEfyzlJJDrSytKhIJMkg2gc8vsrMRtOS6yTDBeZMqEgn6OLvfYuQnQxEz-W8tJEmVGyoSCcE4m344P8oCEQTrSPJ1AGdp&q=Images of Fin-Fan Air-Cooler installations&imgrc=SzC6eAkY5F8dDM%3A

Good subject, thanks for the question.
Do it once and Do it Right

Removable spools for Air-cooler Inlet piping 2 years 10 months ago #9149

  • Anton
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Point taken JOP. :blush:

I need to take better care in answering!
For some reason, I read the question and got heat exchanger in my head, and went with that!

My apologies Arakeri .... oops.
- If you're the smartest person in the room ... you're in the wrong room.

Removable spools for Air-cooler Inlet piping 2 years 9 months ago #9150

  • MMC
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Arakeri,

Try this link for info on coolers and layout.

www.piping-engineering.com/air-cooled-heat-exchanger.html

Removable spools for Air-cooler Inlet piping 2 years 9 months ago #9151

  • Jop
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MMC,
Good article.
Thanks for sharing it.
Do it once and Do it Right
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