Boiler pressure vessel with leak-proof structure

By optimizing the sealing structure and limiting mechanism, the problems of decreased sealing performance and unstable limiting of traditional boiler pressure vessels under high temperature and high pressure have been solved, achieving efficient sealing and stable limiting of boiler pressure vessels and ensuring safe operation.

CN224214680UActive Publication Date: 2026-05-08WUXI TAIHU POWER COMPLETE EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521317513.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2026-05-08
Estimated Expiration
2035-06-26

AI Technical Summary

Technical Problem

Traditional boiler pressure vessels suffer from reduced sealing performance and unstable limiting mechanisms under high temperature and pressure, leading to a high risk of media leakage.

Method used

An optimized sealing structure and limiting mechanism are adopted, including limiting air holes, sliding columns, movable sealing rings, limiting fixing rings, annular sealing grooves, positioning sealing rings, limiting protrusions and limiting grooves, etc., combined with limiting fixing frames, limiting screws, moving blocks, extension rods, limiting rubber rollers and other components, to achieve multiple sealing and stable limiting between the top cover and the pressure tank.

Benefits of technology

It improves the sealing performance and stability of boiler pressure vessels, effectively prevents media leakage, ensures safe operation, and enables real-time monitoring and alarms through pressure sensors and audible and visual alarms.

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Abstract

The utility model discloses a boiler pressure vessel with a leakproof structure, which relates to the technical field of pressure vessels and comprises a pressure tank, a top cover is mounted at the top of the pressure tank, and limiting mechanisms are arranged on the surfaces of the pressure tank and the top cover and used for limiting the top cover; a sealing assembly is arranged in the pressure tank and comprises a plurality of limiting air holes formed in the inner wall of the pressure tank. The sealing assembly is arranged and comprises a limiting air hole, a sliding column, a movable sealing ring, a limiting fixing ring, an annular sealing groove, a positioning sealing ring, a limiting protruding block, a limiting groove and the like, and multiple sealing between the top cover and the pressure tank is achieved. By means of abutting lap joint between the movable sealing ring and the positioning sealing ring and insertion matching between the limiting protruding block and the limiting groove, the sealing reliability and stability are greatly improved, medium leakage is effectively prevented, and safe operation of the boiler pressure vessel is guaranteed.
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