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One-dimensional rock pillar simulating water pressure self-recording data experimental device for obtaining parameter of underground water

A technology for simulating water pressure and experimental equipment, applied in the direction of water testing and material inspection products, can solve the problems of lack of migration and change characteristics of rock pollutants, lack of intuitive system for water-rock interaction, unfavorable water resource protection, etc., to achieve water protection Resources, save manpower, and save manpower and material resources

Pending Publication Date: 2019-01-01
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the qualitative determination of hydrogeological parameters such as aquitards and infiltration coefficients is mainly based on pumping tests. Pumping tests require a lot of manpower and material resources, which is a waste of money. At the same time, the water pumped out by pumping tests is not conducive to the protection of water resources; There is a lack of intuitive and systematic detailed records of the change process; the characteristics of pollutant migration and change are mostly based on the study of Quaternary loose pore water, and there is a lack of research on the characteristics of pollutant migration and change in rock formations; based on the existence of the above problems, intuitive and accurate qualitative aquifers and It is necessary to design and develop a one-dimensional rock pillar experimental device for hydrogeological parameters such as infiltration coefficient and record the change process of water-rock interaction and the vertical migration characteristics of pollutants

Method used

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  • One-dimensional rock pillar simulating water pressure self-recording data experimental device for obtaining parameter of underground water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1 Acquisition of hydrogeological parameters One-dimensional rock pillar experiment.

[0028]Connect the device according to the drawings in the manual, and close all 22-water stop valves.

[0029] Select the 21-rock core according to the design requirements and wrap the 20-water-swellable rubber on the top and bottom of the complete rock core, and load them into the 24-column in order according to the buried depth from large to small.

[0030] Connect the instrument to 8-AC220V AC power supply, set the design pressure on 5-control instrument; debug 10-paperless recorder (with 485 communication), 11-PC terminal (including host computer software), 12-flow meter ( With ultrasonic sensor), communication between 13-conductivity sensor, and correction of 12-flow meter (with ultrasonic sensor).

[0031] The instrument automatically controls 1- self-priming pressurized pump, 2- solenoid valve opening and closing, open 18- 22- water stop valve on the water inlet pipe, a...

Embodiment 2

[0036] Example 2 One-dimensional rock pillar experiment of water-rock interaction change process.

[0037] This embodiment is carried out with the steps of embodiment 1, the difference is that after the experiment of embodiment 1 starts, the water sample in the 28-meter cylinder is collected and sent to the laboratory for analysis of water chemical composition.

Embodiment 3

[0038] Example 3 One-dimensional rock pillar experiment of pollutant migration characteristics.

[0039] The present embodiment is carried out with the steps of Example 1, and the difference from Example 1 is that before the experiment begins, 14-water tanks add characteristic pollutants or sewage; after the experiment begins, collect the water samples in the 28-measuring cylinder, and send to the laboratory for analysis of water chemical composition.

[0040] Due to the adoption of the above technical scheme, the specific implementation of the present invention can qualitatively determine that the rock-soil layer contains a water-resisting layer, quantitatively determine hydrogeological parameters such as infiltration coefficient, water-rock interaction process and pollutant migration and change characteristics; the entire system structure is simple to operate , Save manpower, economical and practical with high precision.

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Abstract

The invention discloses a one-dimensional rock pillar simulating water pressure self-recording data experimental device for obtaining a parameter of underground water. The device comprises an experimental-device automatic part and an experimental-device main body part, wherein the experimental-device automatic part comprises an automatic pressurization device, which consists of a self-priming pressurization pump, an electromagnetic valve, a pressurization pump contactor, an electromagnetic valve contactor, a pressure sensor, a control instrument and a circuit switch, and an automatic monitoring and recording system, which consists of a PC (Personal Computer) terminal (with built-in upper computer software), a paperless recorder (with 485 communication), a flow meter (with an ultrasonic sensor) and a conductivity sensor; and the experimental-device main body part comprises a flange plate, a water inlet pipe, water-expandable rubber, a rock core, a side wall water inlet and outlet pipe,a water stop valve, a bottom water outlet pipe, a base and a measuring cylinder. The device can be used for simulating one-dimensional earth pillar and rock pillar; the device can be used for obtaining a hydrogeological parameter, a water-rock-interaction change process and a pollutant vertical migration process; and the device can be used for numerous fields of hydrogeological investigation, water head site search and sewage treatment and the like.

Description

technical field [0001] An experimental device for obtaining groundwater parameters for one-dimensional rock pillar simulation water pressure self-recording data, especially related to an experimental device for obtaining hydrogeological parameters, water-rock interaction change process, and vertical migration characteristics of pollutants; it is mainly used in hydrogeology containing Aquitard division, water-rock interaction change process and pollutant migration characteristics research; suitable for hydrogeology, hydrology and water resources and groundwater units to grasp intuitive information when dealing with aquifer problems, water source problems and water pollution problems. Background technique [0002] Groundwater is closely related to human production and life. At this stage, due to increasingly severe climate anomalies and floods, the corresponding water source problems for production and life are becoming more and more serious. The problem of finding groundwater ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18
CPCG01N33/18
Inventor 陈亚洲刘瑞祺
Owner JILIN UNIV
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