High-pressure quick-opening manhole structure
By designing a high-pressure quick-opening manhole structure and using components such as pipe connections, manhole covers, and limit plates, the problems of poor sealing and inconvenient opening of manholes in pressure vessels were solved, achieving rapid opening and efficient sealing.
CN224336285UActive Publication Date: 2026-06-09LIAONING NORTH HUAJIN WUZHOU CHEM ENG DESIGN CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIAONING NORTH HUAJIN WUZHOU CHEM ENG DESIGN CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
Existing manhole structures for pressure vessels suffer from problems such as inadequate sealing and inconvenient opening, especially in high-pressure environments where flange connections are prone to leakage.
Method used
It adopts a high-pressure quick-opening manhole structure, including the design of pipe, manhole cover, pressure plate and limit plate. It achieves quick locking and sealing through connecting shaft and bolts, and improves sealing performance by using rotatable connectors and gaskets.
Benefits of technology
It enables rapid opening and sealing of manhole structures under high pressure environments, reducing the inconvenience of bolt disassembly and the risk of flange leakage.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224336285U_ABST
Abstract
The utility model relates to airtight container equipment art field, especially a kind of high-pressure quick-opening manhole structure, including, connecting pipe, welding in equipment opening place, manhole cover, setting in equipment interior, and equipment interior is connected by manhole cover connecting shaft;Outside is provided with connecting bolt;Pressing plate, setting in connecting pipe outside, and it is provided with bolt perforation on top;The bolt of manhole cover passes through pressing plate locking and is fixed, and the opening of connecting pipe is sealed up.The structure form has reduced the problems, such as the inconvenient disassembly of a large number of bolts and nuts of previous manhole, also reduced the risk of flange leakage due to the excessive load pressure of container.
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