| 摘要 |
Disclosed are a closed structure for an industrial pressure vessel and a closed ring member applied therefor. The closed structure for an industrial pressure vessel comprises: a ring groove which is formed in a portion of a pressure vessel body facing a cover member; a ring groove pressure pipe which is formed in the pressure vessel body to supply pressure to the ring groove or remove the internal pressure from the ring groove; and a closed ring member which is inserted into the ring groove. Thereby, the present invention prevents the temporary separation of the closed ring member and efficiently lifts the closed ring member. |
