LNG Cryogenic Tank Containers

How to Prevent Corrosion of Cryogenic Liquid Tank?

A pressure vessel is a closed device that holds a gas or liquid and carries a certain pressure. Pressure vessels are used in a wide range of applications and have important positions and functions in many sectors, such as industrial and civil. However, a common problem with pressure vessels in use is corrosion.

Corrosion, cracking, damage, erosion, and physical damage are all obvious failure modes of Cryogenic Liquid Tank. Therefore, be careful when using pressure vessels. Cryogenic Tank Supplier believes that there are two reasons for the corrosion of pressure vessels.

Corrosion of Cryogenic Liquid TankS
LNG Cryogenic Tank Containers

Material characteristics:
The material characteristics of the pressure vessel affect and determine the level of corrosion resistance of the pressure vessel. The corrosion rate will be disturbed by the structural density and oxidizing property of the surface metal crystal. The larger the crystal structure density, the rougher the surface, the larger the crystal pores, the easier the service material will penetrate, and the more likely the corrosion reaction will occur.

External environment:
The internal and external environment of Cryogenic Liquid Tank will directly affect its anti-corrosion performance. Pressure vessels carry a large number of reagents, and the cost of the materials contained therein is high. It is inevitable that a small number of corrosive materials, such as acidic materials and alkaline materials, may be mixed, and these components are likely to cause corrosion of the pressure vessel.

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