Cryogenic gas tank insulation system

The multilayer insulation system for cryogenic gas tanks addresses delamination and cracking issues by using flexible materials to manage stress and includes curtain and protective layers to enhance durability and flame retardancy, ensuring efficient temperature maintenance.

KR1020260113801APending Publication Date: 2026-07-21심상칠 +2
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Patent Information

Authority / Receiving Office
KR · KR
Patent Type
Applications
Current Assignee / Owner
심상칠
Filing Date
2025-01-14
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Conventional cryogenic gas tanks face issues with delamination, cracking, and reduced insulation performance due to temperature changes, leading to increased vaporization and additional cooling costs, especially in large-scale storage and transportation.

Method used

A multilayer insulation system with a flexible material to manage stress, a curtain material to prevent moisture and mechanical damage, and a protective material to minimize thermal expansion impacts, combined with highly flame-retardant materials to enhance safety and durability.

Benefits of technology

The system effectively maintains cryogenic temperatures by minimizing heat transfer, preventing delamination and cracking, and reducing mechanical and moisture penetration, thereby improving safety and reducing operational costs.

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Abstract

The present invention relates to a tank insulation system, and more specifically, to a cryogenic gas tank insulation system in which the insulation effect is enhanced by a multilayer structure installed on the tank surface, and cracks and delamination caused by the shrinkage and expansion of the tank due to temperature changes are prevented in advance by applying a flexible material to major stress concentration areas, thereby improving the safety and durability of the multilayer structure. The technical gist of the present invention is that a cryogenic gas tank insulation system according to the present invention for achieving the above-mentioned purpose comprises: a flexible material formed in a plurality of protrusions on the surface of the tank, wherein the interior is formed as an insulating means and the exterior is formed as an adhesive means; an insulating material located on the outer surface of the tank, wherein the flexible material is located inside; a curtain material located on the outer surface of the insulating material, wherein the insulating material is formed in a plurality of layers; and a protective material located on the outer surface of the curtain material.
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