A pressure vessel is a closed vessel that can withstand pressure. The pressure vessel has a wide range of uses, and it plays an important role in many sectors such as industry, civil and military industry, as well as in many fields of scientific research. 

Classification of pressure vessels

There are many classification methods for pressure vessels, including the following ones from the perspectives of use, manufacture, and inspection.

(1) According to the pressure level, it is divided into low-pressure vessels, medium-pressure vessels, high-pressure vessel,s and ultra-high pressure vessels.

(2) The dressing medium is divided into non-flammable, non-toxic; Flammable or toxic; Highly toxic.

(3) According to the different roles in the process, can be divided into:

Reaction vessel: a vessel used to complete the physical and chemical reactions of the medium.

Heat exchange vessel: a vessel used to complete the heat exchange of the medium.

Separation container: used to complete the mass exchange of the medium, gas purification, solid, liquid, and gas separation container.

(4) Storage and transportation container: used for containing liquid or gas materials, storage, and transportation medium or a container with a balance buffer effect on pressure.

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