A pressure vessel is generally a closed container used for storing, transporting, or transferring heat, mass, or reacting fluids under pressure. Correct and reasonable use of pressure vessels is an important condition for improving the safety and reliability of pressure vessels and ensuring their safe operation.

Keywords: Pressure Vessel

A pressure vessel is generally a closed container used for storing, transporting, or transferring heat, mass, or reacting fluids under pressure.

I. Classification of Pressure Vessels

There are many ways to classify pressure vessels, and different methods can lead to different classifications:

(1) According to manufacturing classification, they can be divided into five types: welded vessels, forged vessels, riveted vessels, cast vessels, and combined vessels.

(2) According to material classification, there are three types: steel vessels, non-ferrous metal vessels, and non-metal vessels.

(3) According to wall thickness classification, they can be divided into two types: thin-walled vessels and thick-walled vessels. Vessels with a ratio of outer diameter to inner diameter less than or equal to 1.2 are thin-walled vessels; those greater than 1.2 are thick-walled vessels.