公开(公告)号：US20240410529A1

公开(公告)日：2024-12-12

申请号：US18706806

申请日：2022-11-15

Applicant: GAZTRANSPORT ET TECHNIGAZ

Inventor： Bernard AOUN ,  Laurent SPITTAEL ,  Pierre-Emmanuel DE SEZE ,  Fabrice LOMBARD

IPC: F17C13/00

Abstract: A storage facility includes a tank for transporting and/or storing gas in a liquid state, the tank including at least one insulation layer, a gas-consuming device, and one device for suctioning the gas present in the insulation layer. The suction device includes a primary branch fluidly connected to the gas-consuming device, at least one secondary branch fluidly connected to the insulation layer of the tank and through which the gas from the insulation layer flows, and at least one suction member configured to suction the gas flowing through the secondary branch.

公开(公告)号：US20220034453A1

公开(公告)日：2022-02-03

申请号：US17311828

申请日：2019-12-19

Applicant: GAZTRANSPORT ET TECHNIGAZ

Inventor： Maxime CHAMPAGNAC ,  Pierre JOLIV ,  Mathieu PETITPAS ,  Mael BLEOMEL ,  Damlen BRENAC ,  Laurent SPITTAEL ,  Vincent BRIATTE ,  Julien GLORY

IPC: F17C3/02 ,  F17C13/02 ,  G01M3/00 ,  G01M3/22

Abstract: A method for checking the sealing of a sealed tank for storing a liquefied gas at low temperature, the tank having an inner hull and a secondary sealing membrane, a secondary space that is arranged between the inner hull and the secondary sealing membrane, a primary sealing membrane and a primary space that is arranged between the primary sealing membrane and the secondary sealing membrane is disclosed. The method has the following main steps: generating a pressure lower than the pressure of the primary space in the secondary space using a suction device, measuring the temperature of an outer surface of the inner hull, and detecting the location of a sealing defect of the secondary sealing membrane in the form of a cold spot on the outer surface of the inner hull.