Deep sea wind tunnel device for simulating corrosion of deep sea environment

By designing a deep-sea wind tunnel device and combining it with an online detection system to simulate a deep-sea autoclave, the simulation and real-time corrosion monitoring of a high-temperature and high-pressure microbial environment were realized. This solved the problem of the difficulty in studying microbial adhesion corrosion in existing technologies and provided a scientific research basis.

CN120947972APending Publication Date: 2025-11-14GUANGZHOU MARITIME INST
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Patent Information

Application Number
CN202510917154.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2025-11-14

AI Technical Summary

Technical Problem

Existing technologies are insufficient to accurately study the impact of microbial attachment corrosion in simulated deep-sea hydrothermal vent environments. Furthermore, actual experiments are affected by unstable factors such as ocean currents and earthquakes, making it difficult to monitor the corrosion development process in real time.

Method used

Design a deep-sea wind tunnel device to simulate deep-sea corrosion, including a simulated deep-sea autoclave, a gas-liquid circulation regulation system, and an online monitoring system. The gas-liquid circulation regulation system enables the simulation and real-time monitoring of a high-temperature and high-pressure microbial environment, while the heating and stirring units simulate ocean currents. The online monitoring system monitors the corrosion process in real time.

Benefits of technology

It enables corrosion research in a high-temperature, high-pressure microbial environment, accurately monitors the corrosion development process, provides a scientific basis for deep-sea equipment design, and supports deep-sea resource development and ecological environment exploration.

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Abstract

The invention relates to a deep-sea wind tunnel device for simulating deep-sea environment corrosion, and the device comprises a simulated deep-sea autoclave, a gas-liquid circulation adjustment system and an online detection system which are sequentially connected through a gas-liquid pipeline, and the simulated deep-sea autoclave comprises a sample holder and an electrochemical detection unit. The gas-liquid inflow channel and the gas-liquid outflow channel are used for communicating the interior of the kettle body with the gas-liquid circulation adjusting system; the gas-liquid circulation adjusting system comprises an outflow gas-liquid pressure adjusting flow path and a flow-back gas-liquid pressure adjusting flow path, and the outflow gas-liquid pressure adjusting flow path comprises a back pressure valve; the return gas-liquid pressure regulating flow path comprises a high-pressure circulating pump; the online detection system comprises a liquid storage tank and a plurality of detection sensors arranged in the liquid storage tank. The device can realize real-time detection on the corrosion reaction liquid containing microorganisms with specific concentration without influencing the cultivation of the microorganisms, and can accurately obtain the growth and metabolism physicochemical properties of the microorganisms in a specific temperature field and a specific pressure field, and the adhesion corrosion mechanism of the microorganisms on the surface of a material and the change of the corrosion development process of the microorganisms.
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