Durable petrochemical pressure vessel

The durable petrochemical pressure vessel comprises a tank body, a cover body with an inlet and an outlet is arranged on one side of the upper portion of the tank body, a center shaft is arranged in the center in the tank body, an outer ring attached to the inner wall is arranged in the tank body, an inner ring is arranged outside the center shaft in a sliding and sleeving mode, and a plurality of wave-resistant pieces are annularly distributed between the outer ring and the inner ring. Compared with the prior art, the stable state of petrochemical liquid in the tank body can be ensured. 本发明公开了一种耐用型石化压力容器，包括罐体，所述罐体上方的一侧为进出口的盖体，所述罐体内的中心设有中心轴，所述罐体内有与内壁贴合的外环，所述中心轴外可滑动地套设有内环，所述外环与内环间环形分布地设有多片防浪片。与现有技术相比，本发明能够确保罐体内的石化液状态稳定。