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Confined aquifer dispersion test device and test method thereof

A technology for confined aquifers and test devices, which is applied in the direction of measuring devices, instruments, suspensions and porous material analysis, etc., to achieve accurate and controllable injection depth and injection dose, ensure accuracy and reliability, and improve test efficiency and precision.

Pending Publication Date: 2018-08-24
SICHUAN INST OF GEOLOGICAL ENG INVESTIGATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the deficiencies of the existing dispersion test device and method, the invention provides a kind of confined aquifer dispersion test device and its test method

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  • Confined aquifer dispersion test device and test method thereof

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. This embodiment is exemplary and only used to explain the present invention, rather than limit the present invention.

[0021] Such as figure 1 As shown, the confined aquifer dispersion test device and its test method include a pressure test pump 1, a drill pipe 2, a hydraulic plug 3, a one-way valve 4, a high-pressure pipe 5, a pressure water pump 6, a monitoring probe 7, and a direct reading line Cable 8, data receiving device 9;

[0022] The pressure test pump 1 is connected to the drill pipe 2, the bottom of the drill pipe 2 is connected to the hydraulic plug 3, and the bottom end of the drill pipe 2 is provided with a one-way valve 4; The plug 3; the monitoring probe 7 is connected to the data receiving device 9 through a direct reading cable 8.

[0023] The test method adopting the described confined aquifer dispersion test device comprises the fo...

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Abstract

The invention discloses a confined aquifer dispersion test device and a test method thereof. The device comprises a pressure testing pump, a drill pipe, a hydraulic plug, a one-way valve, a high-pressure pipe, a pressure water pump, a monitoring probe, a direct reading cable and a data receiving device. The design that the drill pipe assists in connecting the hydraulic plug and the one-way valve is adopted, the hydraulic plug can effectively isolate underground water at upper and lower parts of the set depth for release of a tracer in a dispersion test main drill hole, the tracer is injected under pressure, accurate control of the injection depth and injection dose of the confined aquifer tracer can be realized, accuracy and reliability of confined aquifer dispersion test data can be guaranteed, the test data can be recorded automatically, and the test efficiency and accuracy can be greatly improved. The device can be applied to all drilling dispersion pressure tests.

Description

technical field [0001] The invention relates to the fields of hydrogeology and environmental protection, in particular to a pressure-bearing aquifer dispersion test device and a test method thereof. Background technique [0002] The purpose of the dispersion test is to study the spatio-temporal variation of the concentration of pollutants when they migrate in the groundwater, and to obtain the dispersion parameters for the quantitative evaluation of the groundwater environmental quality through the test. [0003] At present, the usual tracers are put into the water surface and underwater, and the samples are taken and titrated at the same depth in the observation hole or the detection instrument monitors the temporal and spatial variation trend of the tracer concentration, and then the dispersion parameters of the groundwater are determined. However, when encountering deep buried confined water, due to the high pressure of the water head, the existing tracer injection device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/00G01N15/08
CPCG01N13/00G01N15/082
Inventor 安世泽钱江澎袁伟潘国耀王成锋杨晓东云智汉罗运祥匡野张珂
Owner SICHUAN INST OF GEOLOGICAL ENG INVESTIGATION
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