Floating array device for full-sea-depth corrosion test and full-section corrosion data acquisition method thereof

By combining a cylindrical central float with a circumferential array of test cables, along with single-point mooring and acoustic release and recovery, the problem of acquiring full-ocean-depth profile data in existing technologies has been solved. This enables synchronous, continuous, and economical testing in full-ocean-depth corrosive environments, providing efficient time-series data and safe operating methods.

CN122448723APending Publication Date: 2026-07-24CHINA SHIP SCIENTIFIC RESEARCH CENTER
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Patent Information

Application Number
CN202610537265.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-22
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing technologies cannot systematically and cost-effectively acquire complete corrosion environment profile data from the ocean atmosphere to the seabed thousands of meters deep, and it is difficult to continuously monitor the corrosion process over time, especially the corrosion environment in the splash zone.

Method used

By employing a combination of a cylindrical central float and multiple circumferentially arrayed test cables, along with a single-point mooring system and acoustic release selective recovery, synchronous and continuous corrosion data acquisition across the entire ocean depth profile is achieved through the phased recovery of individual cables and their entire frames.

Benefits of technology

It achieves continuous full-profile coverage from the sea surface to the seabed, obtains time-series data on long-term corrosion processes, reduces the number of offshore operations and costs, improves the continuity and comparability of data, and ensures the safety and economy of operations.

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Abstract

The invention relates to a floating array device for a full-sea-depth corrosion test and a full-section corrosion data acquisition method thereof.The device comprises a cylindrical center floating body, a single-point mooring system, a circumferential array type test cable system and a plurality of standardized test frame units, and the cylindrical center floating body is anchored to the seabed through a main mooring cable; a plurality of suspension points are uniformly distributed along the circumferential direction of the side wall of the floating body, an independent test main cable is vertically suspended at each suspension point, a plurality of standardized test frames are connected in series on the cables at fixed intervals, the bottom is connected to a seabed anchoring foundation through an acoustic releaser, and the plurality of test cables can synchronously obtain full-depth profile corrosion data from the sea surface to the seabed. By regularly recovering the single cable and all the frames in batches, continuous acquisition of corrosion dynamics data in time and space is realized, and the device has the advantages of high integration level, continuous data and safe and efficient operation.
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