FIELD: storage.
SUBSTANCE: group of inventions relates to a sealed heat-insulating tank. In the tank, sealed membrane of end wall (102) has first row (118) of corrugations parallel to second wall (104, 106) and spaced from each other with the first step y. Membrane also has second row (120) of corrugations perpendicular to the second wall and spaced from each other with the first step y. Sealed membrane of each longitudinal wall has a set of longitudinal corrugations. Longitudinal corrugations (126) of first wall (108) are spaced from each other with the second step z greater than the first step y and are continuously connected to one of first and second rows (120, 118) of corrugations of the end wall, using an angular structure. Angle (130, 132) between a plane of first wall (108) and a plane of second wall (104, 106), and the ratio between the first step y and the second step z are determined in accordance with each other.
EFFECT: development of a wall of a tank, which combines advantages of additional membrane formed of parallel belts of sheathing, the reliability of which is verified by experience, and corrugated base membrane, which may have high resistance to accidental crumpling and other stresses, for example, as a result of heat compression, movements of cargo, and/or deformation of a ship beam in the sea.
17 cl, 21 dwg
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Authors
Dates
2022-12-26—Published
2019-11-29—Filed