快装自锁型换热器塔封头法兰连接装置

By installing self-locking connection devices at the heat exchanger shell and end flange, the problems of low fixing efficiency and cumbersome disassembly in the existing technology are solved, realizing rapid connection and efficient maintenance, and improving the efficiency and stability of the heat exchanger.

CN224517532UActive Publication Date: 2026-07-17DAQING HUAKAI PETROCHEMICAL DESIGN ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DAQING HUAKAI PETROCHEMICAL DESIGN ENG CO LTD
Filing Date
2025-08-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing heat exchanger head flange connection devices have low fixing efficiency, are cumbersome to disassemble, and cannot quickly achieve self-locking connections, which affects the maintenance and installation efficiency of shell-and-tube heat exchangers.

Method used

The quick-installation self-locking heat exchanger tower end flange connection device adopts several annular connection components at the shell and end flange, and uses structures such as locking rods, linkage mechanisms and locking blocks to achieve quick locking and adjustment of connection gaps, thereby improving sealing and stability.

Benefits of technology

It significantly improves the efficiency of loading and unloading heat exchanger shells and end cap flanges, enhances connection stability and sealing, and simplifies maintenance and installation processes.

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Abstract

本实用新型公开了快装自锁型换热器塔封头法兰连接装置,包括若干个连接组件,其呈环状阵列于壳体和封头法兰处,用于所述壳体和所述封头法兰的连接;两个锁定杆,其通过扭簧活动安装于所述连接组件上的连接杆上的连接槽内,当所述锁定杆向外旋转弹出时,其末端可与所述封头法兰的背面贴合以实现锁定;联动机构,其设置于所述连接杆中心位,其联动杆前端与两个抵接机构抵接,用于推动两个所述抵接机构向外凸出,并对倾斜的所述锁定杆进行固定。通过在换热器壳体和封头法兰连接处设置若干个带有自锁结构的连接组件,以使连接组件快速对连接处进行锁定,进而提升换热器壳体与封头法兰的装卸效率。
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