Seafloor sediment large depth profile pore water long-term in-situ sampling and analysis device

A technology for seabed sediments and analysis devices, applied in sampling devices, sampling, measuring devices, etc., can solve the problems of no in-situ and large error in experimental results, and achieve the effect of reducing costs and improving economical practicability

Inactive Publication Date: 2019-10-29
GUANGZHOU MARINE GEOLOGICAL SURVEY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: in order to solve the technical problems of large error in experimental results and non-in-situ, long-term, time-divided collection, detection and storage of large-depth profile sediment pore water in the existing in-situ sampling detection technology of seabed sediment pore water, the present invention Invention provides a long-term in-situ sampling and analysis device for pore water in large depth profiles of seabed sediments

Method used

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  • Seafloor sediment large depth profile pore water long-term in-situ sampling and analysis device
  • Seafloor sediment large depth profile pore water long-term in-situ sampling and analysis device
  • Seafloor sediment large depth profile pore water long-term in-situ sampling and analysis device

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Embodiment 1

[0036] Such as Figures 1 to 3 As shown, the present embodiment provides a long-term in-situ sampling and analysis device for pore water in large-depth profiles of seabed sediments, including a pore water in-situ collection column 1 capable of collecting pore water in seabed sediments at different depths, and also including The pore water collected by the pore water in-situ collection column 1 is subjected to in-situ detection and storage body 2, one end of the body 2 is fixedly connected to the pore water in-situ collection column 1, and the other end of the body 2 is provided with a Rotating cable reel 10, the cable on the cable reel 10 realizes the elongation and retraction of the cable by the rotation of the cable reel 10, the free end of the cable on the cable reel 10 is fixedly connected with a floating ball 8, and the body 2 is provided with A locking mechanism 6 that can limit the free rotation of the cable reel 10, a battery module 4 that can provide electrical energy...

Embodiment 2

[0038] Such as Figures 1 to 3 As shown, the present embodiment provides a long-term in-situ sampling and analysis device for pore water in large-depth profiles of seabed sediments, including a pore water in-situ collection column 1 capable of collecting pore water in seabed sediments at different depths, and also including The pore water collected by the pore water in-situ collection column 1 is subjected to in-situ detection and storage body 2, one end of the body 2 is fixedly connected to the pore water in-situ collection column 1, and the other end of the body 2 is provided with a Rotating cable reel 10, the cable on the cable reel 10 realizes the elongation and retraction of the cable by the rotation of the cable reel 10, the free end of the cable on the cable reel 10 is fixedly connected with a floating ball 8, and the body 2 is provided with A locking mechanism 6 that can limit the free rotation of the cable reel 10, a battery module 4 that can provide electrical energy...

Embodiment 3

[0042] Such as Figures 1 to 3 As shown, the present embodiment provides a long-term in-situ sampling and analysis device for pore water in large-depth profiles of seabed sediments, including a pore water in-situ collection column 1 capable of collecting pore water in seabed sediments at different depths, and also including The pore water collected by the pore water in-situ collection column 1 is subjected to in-situ detection and storage body 2, one end of the body 2 is fixedly connected to the pore water in-situ collection column 1, and the other end of the body 2 is provided with a Rotating cable reel 10, the cable on the cable reel 10 realizes the elongation and retraction of the cable by the rotation of the cable reel 10, the free end of the cable on the cable reel 10 is fixedly connected with a floating ball 8, and the body 2 is provided with A locking mechanism 6 that can limit the free rotation of the cable reel 10, a battery module 4 that can provide electrical energy...

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Abstract

The invention discloses a seafloor sediment large depth profile pore water long-term in-situ sampling and analysis device and relates to the technical field of seafloor sediment pore water in-situ sampling and detection. The device comprises a pore water in-situ acquisition column, and further comprises a body, wherein one end of the body is fixedly connected with the pore water in-situ acquisition column; and the other end of the body is provided with a cable reel rotatable on the body; a cable on the cable reel is extended and retracted by the rotation of the cable reel; the free end of thecable on the cable reel is fixedly connected with a floating ball; a locking mechanism capable of restricting the free rotation of the cable reel is disposed in the body; a battery body, a Raman spectrum in-situ test unit, and a control system are disposed in the body; the control system can also instruct the locking mechanism to release the locking function of the cable reel. The device can perform a long-term operation on the seafloor, and can realize the in-situ long-term monitoring of pore water in seafloor sediments up to 6 months to 1 year..

Description

technical field [0001] The invention relates to the technical field of in-situ sampling and detection of seabed sediment pore water, and more specifically relates to a long-term in-situ sampling and analysis device for seabed sediment large-depth profile pore water. Background technique [0002] Pore ​​water exists in the gaps of fine particles such as soil and sediment, also known as interstitial water. The pore water in sediment contains a lot of key geochemical information. The in-situ sampling and analysis device for seabed sediment pore water is a device used to collect pore water in situ and test geochemical parameters. It is widely used in research fields such as marine resource exploration, seabed geological exploration, and earth climate change. [0003] The geochemical characteristics of sediment pore water respond rapidly to changes caused by anaerobic methane oxidation (AOM) and sulfate reduction (SR) reactions, so they can be used to trace the ongoing biogeochem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/20G01N21/65
CPCG01N1/2035G01N21/65G01N2001/205
Inventor 梁前勇钟超王静丽俞祖英陈道华徐著华董一飞唐孝龙郭斌斌吴学敏杨林马敏
Owner GUANGZHOU MARINE GEOLOGICAL SURVEY
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