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Fracture filling solute transport monitoring test device and method

A technology of solute migration and test equipment, which is applied in the monitoring of solute migration process state and pollution degree, filling crack solute migration monitoring test equipment, and the field of condition evaluation, which can solve the problem of solute migration that is difficult to reflect the seepage difference in fracture seepage state. Real-time dynamic characteristics and other issues can be solved to achieve the effect of stable solute migration process, accurate test data and stable flow rate

Pending Publication Date: 2018-12-21
ANHUI UNIVERSITY
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Problems solved by technology

At present, the monitoring and identification of the solute migration process in fractured groundwater is mainly based on sampling testing and tracing technology, but it is difficult to reflect the seepage state inside the fracture, seepage differences in different parts, and real-time dynamic characteristics of solute migration

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  • Fracture filling solute transport monitoring test device and method

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Embodiment Construction

[0022] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0023] like figure 1 As shown, the solute migration monitoring test device for filling fissures of the present invention includes a model main body A, a water supply / outlet and steady flow device B, and a monitoring device C; wherein the two ends of the model main body A are respectively equipped with detachable water supply / outlet and steady flow devices. Device B, the model main body A is connected to the monitoring device C through the data transmission wire;

[0024] The model body A includes a crack model 3, and the crack model 3 includes two organic glass plates arranged in parallel. The size of the organic glass plate crack model 3 is 1200×200×5mm in length×height×gap width, and the ratio of length to height is 1200×200×5 mm. If it is higher than 6:1, the width of the gap should be modified according to the requirements. There is a gap between the t...

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Abstract

The invention relates to a fracture filling solute transport monitoring test device and method, which are suitable for monitoring and identifying fracture filling medium solute transport. The fracturefilling solute transport monitoring test device comprises a fracture filling model and a monitoring device, wherein the fracture filling model consists of a model main body, a water supply / outlet andflow stabilizing device and a monitoring device. A parallel smooth fracture model main body is filled with river sand to simulate fracture filling, Ag-AgCl electrodes are distributed on the fractures, and the dynamic change of fracture filling spontaneous potential parameters caused by solute transport is detected by the monitoring device to analyze the solute transport state in invisible fractures, so that a basis is laid for monitoring, evaluation and prediction of solute pollution in underground media. The method has the characteristics of high efficiency, convenience and high operability.

Description

technical field [0001] The invention mainly relates to a solute migration monitoring test device and method for filling fissures, especially suitable for the monitoring of the state of the solute migration process in the fissure medium and the evaluation of the degree of pollution and status, and belongs to the field of monitoring and control of groundwater environmental pollution. Background technique [0002] As human activities continue to go deep underground, the threat of various pollutions to deep underground fissure water has gradually increased. The problem of solute transport in fractured media has received great attention, and has become a hot issue in the scientific research of water environment in the fields of geological engineering, oil and gas engineering, and environmental engineering. Natural rock mass fissures are often filled with porous materials such as sand and mud, and the presence of fillings will significantly change the characteristics of water flow...

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Application Information

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IPC IPC(8): G01N11/00
CPCG01N11/00
Inventor 姜春露李世龙方刘兵郑刘根史晓涛
Owner ANHUI UNIVERSITY
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