Hermetically insulated cans including bridging elements

By setting bridging elements between the insulating plates, the problems of heat transfer and sealing film stress caused by the thermosiphon effect during the cooling process of liquefied gas storage tanks are solved, achieving better thermal insulation and structural protection.

CN114738659BActive Publication Date: 2026-05-26GAZTRANSPORT & TECHNIGAZ SA

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GAZTRANSPORT & TECHNIGAZ SA
Filing Date
2021-12-20
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In the prior art, during the cooling process of liquefied gas storage tanks, heat is transferred to the external structure due to the thermosiphon effect, which damages the external structure. At the same time, the sealing membrane is subjected to excessive stress, which affects the thermal insulation effect.

Method used

A bridging element, including a bridging plate and an insulating strip, is provided between the insulating plates. The bridging plate spans the insulating plates and is fixed to their inner surface. The insulating strip is smaller than the space between the plates in the lateral direction, blocking the gas circulation channel and preventing the thermosiphon effect.

Benefits of technology

It effectively prevents gas circulation, reduces the stress on the sealing membrane, improves the thermal insulation performance of the thermal insulation barrier, and protects the external structure from the heat during the cooling process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN114738659B_ABST
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Abstract

The present invention relates to a can comprising: a thermally insulating barrier containing thermally insulating plates (2) and a sealing film, defining an interplate space between two adjacent insulating plates (2), the thermally insulating barrier including at least one insulating joint (13) accommodated in the interplate space, and at least one bridging element (20) disposed above the insulating joint (13) and spanning the two insulating plates (2), wherein the bridging element (20) includes a bridging plate (22) extending across the two insulating plates (2, 6) and fixed to the inner surfaces of the two insulating plates (2, 6), the bridging element (20) further including an insulating strip (23) having a smaller dimension in the transverse direction than the bridging plate (22) and being compressed in the thickness direction between the bridging plate (22) and the insulating joint (13).
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