An internal bottom wall of the double hull bears a sump structure comprising a rigid container arranged through the thickness of the bottom wall of the tank and intended to accommodate a suction member of a pump. The rigid container comprises a bottom wall situated at a level further toward the outside than the secondary sealing membrane of the bottom wall of the tank. The sump structure comprises a primary connecting plate surrounding the container, the primary connecting plate having a connecting surface extending parallel to the primary sealing membrane of the bottom wall of the tank, the primary sealing membrane of the bottom wall of the tank being attached in a sealed manner to the connecting surface all around the sump structure.
CUVE ETANCHE ET ISOLANTE DISPOSEE DANS UNE DOUBLE COQUE FLOTTANTE
2017-12-29
Patent
Electronic Resource
French
Cuve étanche et thermiquement isolante pour structure flottante
European Patent Office | 2022
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