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A Static Exploration Composite Geochemical Microelectrode Probe System

A geochemical and micro-electrode technology, applied in the field of ocean observation, can solve problems such as observation failure and destructive damage of micro-electrode probes, and achieve the effect of improving response time, ensuring intuitiveness and reliability, and improving high resolution.

Active Publication Date: 2017-11-28
QINGDAO INST OF MARINE GEOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vast majority of microelectrode probes are used to detect the chemical index content of seawater or loose sediments. Even the gel resin probe with the highest structural strength can only detect seabed sediments with relatively low physical and mechanical strength. limited detection
[0006] Obviously, if the microelectrode probe group is directly used to detect various chemical indicators during the process of penetrating the sediment, it is very easy to cause destructive damage to the microelectrode probe, resulting in the failure of long-term observation

Method used

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  • A Static Exploration Composite Geochemical Microelectrode Probe System
  • A Static Exploration Composite Geochemical Microelectrode Probe System
  • A Static Exploration Composite Geochemical Microelectrode Probe System

Examples

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Effect test

Embodiment 1

[0043] Such as figure 1 The microelectrode probe system shown includes a base 23, a static penetrating probe 25 and eight microelectrodes 24 arranged on the base 23 (the number of microelectrodes can be selected according to the actual index to be detected, and this implementation Take eight as an example), the indexes detected by eight microelectrodes 24 are respectively CH 4 , O 2 , pH, Redox, H 2 、H 2 S, NO, NO 2 . The static penetration probe 25 is arranged in the center of the base 23, and eight microelectrodes 24 are evenly arranged around the static penetration probe 25. The distance between the static penetration probe 25 and each microelectrode 24 is 4 cm. The length of the probe head 25 is 5 cm longer than the length of the microelectrode 24 .

[0044] The static penetration probe 25 and the eight microelectrodes 24 are connected to the data acquisition unit respectively, and the data acquisition unit is connected to the general control system, and the general ...

Embodiment 2

[0048] The microelectrode probe system of embodiment 1 is applied to figure 2 In the multi-point in-situ long-term observation system based on the seabed, the observation system includes a platform frame 11, a floating body material 6, an underwater acoustic communication machine 5, a beacon machine 1, a monitoring cabin 2, a control cabin 7, a release control cabin 8, and a central rotary Stage 10, counterweight 9 and microelectrode probe system 3. The main body of the platform frame 11 is in the shape of a cylinder and has four layers from top to bottom.

[0049] The first layer installs the floating body material 6, the underwater acoustic communication machine 5, the beacon machine 1 and the suspension ring 4, wherein the floating body material 6 is designed to be divided into six equal parts for ease of installation, and is placed in the frame. The underwater acoustic communication machine 5 and the beacon machine 1 and suspension ring 4 are all arranged on the top of p...

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Abstract

The present invention relates to a static cone penetration combined type geochemical microelectrode probe system, comprising a base and a static cone penetration test probe and at least one microelectrode that are disposed on the base; the static cone penetration test probe is disposed in the center of the base; at least one microelectrode is arranged around the static cone penetration test probe; and the conical tip of the static cone penetration test probe is 4-8cm greater than the conical tip length of the microelectrode. The static cone penetration test probe and the microelectrode are combined, and the threshold value of the static cone penetration test probe is set according to the limiting breaking strength of the microelectrode, thereby ensuring that the microelectrode stops penetrating the deposits before reaching the limiting breaking strength, and protecting the microelectrode from being damaged. At the same time, the microelectrode is driven to go deeper. The microelectrode probe system can be applied to a long-term seabed-based multi-point in-situ observation system, can effectively realize the accurate multi-point positioning function, and then finally analyze and obtain the space distribution information of an active diffusion field according to the data acquired at a plurality of exploration points in the exploration region.

Description

technical field [0001] The invention relates to a static detection composite geochemical microelectrode probe system, which belongs to the technical field of ocean observation. Background technique [0002] Marine resources are an important part of national marine rights and interests, and competition for resources such as deep-sea oil and gas hydrate has become the focus of international energy. During the exploitation of seabed natural gas hydrate, due to factors such as temperature, pressure, and external disturbances, the hydrate spontaneously decomposes, producing such as CH 4 、H 2 、H 2 S, O 2 And many other by-products, which may cause serious impact on seabed stability, marine engineering infrastructure, marine and atmospheric environment. Therefore, effective and comprehensive long-term monitoring of the natural gas hydrate exploitation process plays an important role in promoting the exploration and exploitation of hydrate resources and the investigation and eva...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/30G01V3/00G05D1/10G08C17/02H04B13/02
CPCG01N27/30G01V3/00G05D1/10G08C17/02H04B13/02G01V1/3852G01V9/007
Inventor 郭磊孙治雷叶思源王利波曹红耿威刘莉萍
Owner QINGDAO INST OF MARINE GEOLOGY
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