Resistivity monitoring system and monitoring method for underground three-dimensional migration process of pollutants

A migration process and monitoring system technology, applied in the direction of material analysis, measuring devices, instruments, etc. through electromagnetic means, can solve the problems of incomplete monitoring instruments, etc., and achieve intuitive and clear display results, high repeatability, and high resolution and the effect of precision

Active Publication Date: 2021-11-30
HOHAI UNIV
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Problems solved by technology

[0004] At present, in the process of using the resistivity method to monitor the migration of pollutants in China, ready-made electrical instruments are mostly used, which are suitable for large-scale pollutant migration monitoring in the field. However, the small-scale pollutant monitoring instruments for indoor experiments are not very perfect. To solve the above problems, the present invention proposes a resistivity monitoring system and monitoring method for the three-dimensional underground migration process of pollutants

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  • Resistivity monitoring system and monitoring method for underground three-dimensional migration process of pollutants

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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] Such as figure 1 As shown in Fig. 1, a resistivity monitoring system for three-dimensional underground migration of pollutants, including a DC resistivity detection device and a multi-channel electrode converter.

[0040] The DC resistivity detection device includes a power supply, a regulated power supply, an electrode assembly, a data acquisition module and a signal processor, specifically:

[0041] The power supply is connected to the electrode asse...

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Abstract

The invention provides a resistivity monitoring system for the underground three-dimensional migration process of pollutants. The system is characterized in that the system comprises a direct-current resistivity detection device and a multipath electrode converter; the direct-current resistivity detection device comprises a power supply, a voltage-stabilized source, an electrode assembly, a data acquisition module and a signal processor; the multipath electrode converter comprises a relay assembly and an on-off controller; and the signal processor and the on-off controller are respectively provided with communication modules, and are externally connected with an upper computer through the communication modules. The system is simple in structure, convenient to operate and high in test repeatability, can achieve automatic monitoring, improve monitoring efficiency, and achieve the transmission of monitoring data.

Description

technical field [0001] The invention belongs to the technical field of resistivity monitoring, and in particular relates to a resistivity monitoring system and a monitoring method for the underground three-dimensional migration process of pollutants. Background technique [0002] In my country's groundwater resources, the aquifers are mainly divided into plain, basin loose sediment groundwater, karst groundwater and fractured rock formation groundwater according to the medium type. The pollution of groundwater caused by utilization is becoming more and more serious, which has caused a series of environmental problems related to it. At present, many scholars use geophysical methods to investigate rock soil and groundwater pollution. This method has the advantages of rapidity, non-destructiveness, and all-round display. Especially, the resistivity method is the most widely used. Due to the large difference in the electrical properties of groundwater and pollutants, electrical...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/04
CPCG01N27/041
Inventor 王萍黄勇赵祥
Owner HOHAI UNIV
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