Gas monitoring device in water

CN123029128APending Publication Date: 2026-11-03CHINA UNIV OF GEOSCIENCES (BEIJING)
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Patent Information

Application Number
CN202611464199.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-09-20
Publication Date
2026-11-03

AI Technical Summary

Technical Problem

Existing hydrogen monitoring equipment in water is difficult to maintain stability in high-altitude, low-pressure, low-temperature, and strong ultraviolet environments. Electrochemical hydrogen sensors are prone to zero-point drift, making long-term continuous monitoring impossible. Furthermore, the lack of a stable power supply and communication network leads to inaccurate detection data and high costs.

Method used

An underwater gas monitoring device was designed, including a gas collection hood, a gas-liquid separation module, a gas flow meter, a monitoring module, and a power supply and data processing module. The gas collection hood is placed on the water surface, the gas-liquid separation module removes water, the gas flow meter and the monitoring module monitor the gas flux and composition, and the power supply module enables long-term power supply and data acquisition.

Benefits of technology

This technology enables long-term, stable collection and monitoring of gases in water, improving monitoring accuracy, preventing water damage, reducing monitoring costs, and ensuring the continuity and accuracy of monitoring.

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Abstract

The application belongs to the technical field of natural hydrogen sampling and monitoring, and discloses a water gas monitoring device, which comprises a gas collection cover, a gas-liquid separation module, a gas flow meter, a monitoring module and a power supply and data processing module. The gas collection cover is arranged on the water surface, and the water overflow gas enters the gas collection cover. The gas-liquid separation module is selectively connected to the gas collection cover and can remove the water in the water overflow gas. The gas flow meter is arranged downstream of the gas-liquid separation module and is configured to monitor the flow of the water overflow gas. The monitoring module is arranged downstream of the gas-liquid separation module and is connected in parallel with the gas flow meter to monitor the composition of the water overflow gas. The power supply and data processing module is electrically connected to the gas flow meter and the monitoring module, can supply power to the gas flow meter and the monitoring module, and can receive the flux collected by the gas flow meter and the gas composition data collected by the monitoring module. The water gas monitoring device realizes long-term stable collection and monitoring of the water gas, removes the water in the gas, improves the monitoring accuracy and avoids damage caused by water.
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