LPG storage-spheres/bullets
LPG storage-spheres/bullets
(OP)
Hello,
I have usually seen in refinery LPG storages the use of both spheres and bullets. Which is the reason for combining both types of storages? I have been told that LPG refinery production goes to spheres from which is stored in bullets and LPG are exported from this bullets towards the loading facilities.Is it right? Why?
Any help will be welcomed. Thanks in advance.
I have usually seen in refinery LPG storages the use of both spheres and bullets. Which is the reason for combining both types of storages? I have been told that LPG refinery production goes to spheres from which is stored in bullets and LPG are exported from this bullets towards the loading facilities.Is it right? Why?
Any help will be welcomed. Thanks in advance.





RE: LPG storage-spheres/bullets
RE: LPG storage-spheres/bullets
To make a sphere, of any size, that is capable of holding C3s (propanes), would require a shell thickness that would be cost prohibitive. In this case, a bullet with its smaller diameter is used.
RE: LPG storage-spheres/bullets
RE: LPG storage-spheres/bullets
The amount of steel per gallon of product stored is always lower with a sphere, However, when you add in the support legs, spheres can use up almost as much as a bullet.
They also made a lot of sphereoids, a squashed sphere that stored propane at 15 psig or less (around -35F). The cost of these with insulation was the best choice, including the fact they were field erected.
The best cost per unit stored is of coarse in under ground caverns, when you need 100,000 bbls or more.