Under water insulation 2

[EBWhite]

I need to insulate a steel tank that will contain hot gas and be immersed in water and be sujected to pressures of about 500 psi. I would like suggestions of what materials would be suitable for insulating the vessel.

Thank you

 

[pennpoint]

A vacuum jacket!

pennpoint

 

[StoneCold]

EBWhite
How about a spray on poly-isocyanate and then a rubberized coating. I am not sure how it will stand up to the pressure though. I have to ask would it not be cheaper and easier to re-heat the gas when it is again on land?

StoneCold

 

[Onno]

How hot in degrees Celsius? What volume? What gas? Salt or sweet water? Interfacing electronics to the tank? Questions Questions Questions Supply facts please

 

[EBWhite]

The gas is NO2 and dissociated NO2 (O2 and N2) at about 240 C. The outside of the steel shell will be a fair amount cooler - in tests run so far is has not been too hot to touch. The volume will be 15 L and the tank will be immersed in sea water. NO electronics will need to me interfaced to the tank - just a gas supply but all electronics will be elsewhere.

Thanks

 

[StoneCold]

EBWhite
What stops the O2 at 240C from attacking the Carbon Steel?
Since it is so small I guess I would definately go with the vacuum jacket. It is the easiest, and you can guarantee that it will work.

Regards
StoneCold