The invention relates to a method for inerting a wall of a sealed and thermally insulating tank (1), said tank being intended to contain a liquefied fuel gas, wherein the wall has a multilayer structure comprising two sealed barriers (2, 4) and a thermally insulating barrier (3), said method including: implementing a first inerting mode in which the gaseous phase of the thermally insulating barrier (3) is placed under a relative pressure which is lower than a pressure limit of inflammability Pi of the fuel gas; detecting, during the first inerting mode, whether the pressure of the gaseous phase of the thermally insulating barrier (3) exceeds said threshold pressure Ps; and switching from the first inerting mode to a second inerting mode, the second inerting mode including sweeping the thermally insulating barrier (3) with an inert gas.
PROCEDE ET SYSTEME D'INERTAGE D'UNE PAROI D'UNE CUVE DE STOCKAGE D'UN GAZ COMBUSTIBLE LIQUEFIE
26.08.2016
Patent
Elektronische Ressource
Französisch
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