What is the internal structure of an internal floating roof tank? Is the inner floating roof completely isolated from above and below?
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Does anyone understand the internal structure of internal floating roof storage tanks? Is it possible to isolate the upper and lower parts of the internal floating roof? If nitrogen is used for displacement, is it necessary to carry out displacement separately?
It is actually very difficult to achieve complete isolation between the upper and lower parts of an internal floating roof.
Does that mean that nitrogen replacement is carried out simultaneously, without the need for separate replacements?
It will not be completely isolated, as there are many openings on the floating platform, such as manholes, oil level measurement holes, level gauge holes, and so on. If it’s completely isolated, then what’s the need to fill it with nitrogen? Is nitrogen free?
No matter how good the sealing is, it’s impossible to achieve complete isolation; oil and gas will still escape