Supply Tank and Method for Operating Same

Abstract

Proposed are a supply tank and a method for operating the same. The tank includes a body part configured to have a closed storage space inside, an injection part configured to communicate with the storage space and inject an object into the storage space, a supply part configured to communicate with the storage space and supply the object stored in the storage space to a next process, a discharge part configured to communicate with the storage space and discharge the object stored in the storage space to outside, a pressure maintenance valve connected to the storage space and configured to open or close in conjunction with one of the injection part, the supply part, and the discharge part, and a safety valve connected to the storage space, and configured to open above a set pressure and close below the set pressure.

Dependencies are inferred from the claim text.