Is the vertical flat-topped conical bottom tank a vault tank?

Vertical flat-topped conical bottom tank and vault tank are both common tank types, but their structures and uses are different, so they cannot be simply classified into one category.

First of all, the structure of vertical flat-topped conical bottom storage tank is composed of vertical cylinder and conical bottom, and the top is flat-topped, which is usually used to store liquid or gaseous substances. A vaulted tank consists of an arched top and a cylindrical cylinder, and is usually used to store powdery or granular substances.

Secondly, the vertical flat-topped conical bottom tank and vault tank are also different in use. Vertical flat-topped conical bottom tanks are usually used to store liquid or gaseous substances, such as petroleum, chemicals and natural gas, while vault tanks are mainly used to store powdery or granular substances, such as cement, coal ash and grain.

Therefore, although vertical flat-topped conical bottom storage tanks and vault storage tanks are both one kind of storage tanks, they are different in structure and use and cannot be simply classified into one category.