In-situ measurement sampling device and measurement sampling method for end-member fluid of deep-sea hydrothermal vent

By designing an in-situ measurement and sampling device for hydrothermal vent end-member fluids in deep-sea environments, and utilizing an automatic sealing and connection unit and a multi-parameter measurement system, the problem of large measurement errors in hydrothermal fluids under extreme deep-sea conditions was solved, achieving highly reliable and accurate fluid monitoring and sampling.

CN119915564BActive Publication Date: 2025-12-26QINGDAO INST OF MARINE GEOLOGY
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Patent Information

Application Number
CN202510103902.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-12-26
Estimated Expiration
2045-01-23

AI Technical Summary

Technical Problem

Traditional methods for measuring and sampling deep-sea hydrothermal fluid flow are affected by the extreme environment of the deep sea, resulting in large measurement errors, easy equipment damage, and difficulty in achieving accurate and stable monitoring and sampling.

Method used

A deep-sea hydrothermal vent end-member fluid in-situ measurement and sampling device was designed, including an automatic sealing and bonding unit, a fluid data measurement and processing unit, and an in-situ sampling unit. The device utilizes a composite flexible shell and sealing device to seal the hydrothermal vent, and combines a multi-parameter measurement system and an intelligent adjustment system to achieve stable introduction, real-time monitoring, and sample collection of hydrothermal fluid.

Benefits of technology

This improves the reliability and accuracy of deep-sea hydrothermal fluid measurements, reduces the interference of environmental and human factors on the measurement equipment, and ensures the stability of measurement data and the reliability of samples.

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Abstract

The present application relates to the technical field of deep sea exploration, and particularly relates to a device and method for in-situ measurement and sampling of deep sea hydrothermal vent end-member fluid. The device comprises an automatic sealing combination unit, a fluid data measurement and processing unit, and an in-situ sampling unit. The automatic sealing combination unit comprises a liquid inlet pipeline, a composite flexible shell, and a sealing device. The sealing device is driven by the composite flexible shell to cover the annular outer side of the rock of the hydrothermal vent, and the sealing device forms a sealed space of the hydrothermal fluid in the composite flexible shell. The fluid data measurement and processing unit comprises a fluid pipeline, which is in communication with the liquid inlet pipeline. The in-situ sampling unit comprises a dredging pipeline and a sample collection box. The dredging pipeline is in communication with the fluid pipeline, and the dredging pipeline is in communication with the sample collection box. The device realizes the sampling of the deep sea hydrothermal fluid, and improves the reliability and accuracy of the measurement of the deep sea hydrothermal fluid.
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