Leakage detection device for air pre-heater

By designing an air preloader leakage detection device that drives the air pipe fittings into the air preloader tube, the problem of insufficient adaptability of the detection device to complex environmental factors in the prior art is solved, and high-precision and efficient leakage detection are achieved.

CN119666274APending Publication Date: 2025-03-21SHENHUA ZHUNGER ENERGY
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Patent Information

Application Number
CN202411675286.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

When existing air preloader leakage detection devices face complex environmental factors such as welds and protruding pipe openings, they have poor adaptability, resulting in inaccurate positioning and increased contact resistance, which affects measurement accuracy and efficiency.

Method used

A air preloader leakage detection device is designed, adopting a mobile structure, an installation structure and a detection structure. By adapting the components, the air pipe fittings are driven into the preset position of the pipe fitting to be tested, and the guide components and magnetic parts are used to ensure the accurate position and stability of the air pipe fittings.

Benefits of technology

The adaptability of the detection device in the wall environment of complex air preloader pipes is enhanced, the problems of inaccurate positioning and increased contact resistance are avoided, and the high-precision leakage detection function is realized, which improves the detection efficiency and reduces the time of manual positioning.

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Abstract

The invention provides an air pre-heater leakage detection device. The air pre-heater leakage detection device comprises a moving structure, two mounting structures and two groups of detection structures, the moving structure is movably arranged on the supporting base surface; the two mounting structures are oppositely arranged on the moving structure; the two groups of detection structures are correspondingly arranged on the two mounting structures respectively, and each group of detection structures comprises a plurality of detection structures which are arranged at intervals; the installation structure comprises a ventilation pipeline connected with the air pressure sensor, each detection structure comprises an adaptation assembly used for adapting to a barrier at the pipe opening end face of the to-be-detected pipe fitting and an air pipe fitting arranged on the adaptation assembly, and the air pipe fitting is communicated with the ventilation pipeline so as to drive the air pipe fitting to stretch into a preset position in the to-be-detected pipe fitting through the adaptation assembly. The air pressure value in the to-be-detected pipe fitting is detected, so that the problem that a traditional air pre-heater leakage detection device in the prior art is not high in adaptability to environment factors such as welding seams and protruding pipe openings of the end face of an air pre-heater pipe is solved.
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