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Practical sheet | REF: FIC1368 V1

The BLEVE phenomenon

Author: Olivier IDDIR

Publication date: September 10, 2014 | Lire en français

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    4. What are the main MMRs used to prevent a BLEVE?

    To prevent a BLEVE, it is necessary to limit the heating of the tank subjected to thermal stress. Various technical solutions are available to achieve this:

    • cooling the envelope with a water film or spray;

    • under embankment ;

    • the use of PFP (passive fire protection) thermal protection systems, including intumescent paints;

    • valves.

    4.1 Envelope cooling

    For above-ground tanks, the main MMR implemented to prevent a BLEVE is the cooling of the shell to limit its temperature rise. There are two main cooling techniques:

    • zenithal deluge, which consists of...

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