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brendan4
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Join Date: Jul 2009
Posts: 20

Cryogenic Storage Tanks

01/05/2011 12:02 PM

Cryogenics storage tanks are generally used for low temperature product say less -63 deg ie...Nitrogen... etc tanks used are generally double wall tanks w/h insulation bet them..........what is purpose of double wall n is it possible using normal single wall tanks with sme tracing system to hold the product at its lowest temp jst like refrigeration?
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Doorman
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Hobbies - DIY Welding - Don't Know What Made The Old Title Attractive... Popular Science - Weaponology - New Member United States - US - Statue of Liberty - 60 Year Member

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#1

Re: storage tanks

01/05/2011 12:10 PM

"...what is purpose of double wall ..."

Vacuum.

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brendan4
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Join Date: Jul 2009
Posts: 20
#2
In reply to #1

Re: storage tanks

01/05/2011 12:19 PM

double wall is generaly two tanks........inner tk n outter tk between which insulation is provided to avoid heat transfer frm product to atm.............bt is it realy necessry?
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Mikerho
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#3
In reply to #2

Re: storage tanks

01/05/2011 12:40 PM

Yes, it is necessary. Without insulation, you would lose a lot more due to evaporation.

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Anonymous Poster
#4
In reply to #2

Re: storage tanks

01/05/2011 12:53 PM

brendan..

No, it is not really necessary. You have discovered our deepest, darkest engineering secret.

Please, do not tell the others.... keep the double walled tank farce within our special group....

Thanks...
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Doorman
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Hobbies - DIY Welding - Don't Know What Made The Old Title Attractive... Popular Science - Weaponology - New Member United States - US - Statue of Liberty - 60 Year Member

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#5
In reply to #2

Re: storage tanks

01/05/2011 1:07 PM

brendan4, did you check the link in #1 to the Wikipedia article about Dewar Flask?

Read the article, and all most will be revealed.

Do you have a pet cuckoo bird?

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Anonymous Poster #1
#6

Re: Cryogenic Storage Tanks

03/25/2012 2:44 AM

what the code applied for fabracation and inspection for double wall tank?
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