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Multifunctional soil column simulation integration device for continuous monitoring

An integrated device and multi-functional technology, applied in the field of environmental engineering, can solve the problems of inability to guarantee the consistency of the test process, cumbersome operation, systemicity of the device, poor continuity, etc., to achieve environmental consistency, more scientific experiments, and centralized and simple operation. Effect

Pending Publication Date: 2017-07-25
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing indoor rainfall infiltration monitoring test devices at home and abroad can perform a certain restoration simulation of the field environment, but there are still the following defects: 1. The integrity of the device is poor. When multiple soil columns are installed, the rainfall needs to be simulated separately. The operation is cumbersome and there is a time difference
2. The system and continuity of the device are poor
In long-term continuous sampling monitoring, a single soil column is difficult to achieve due to disturbance, and multiple soil columns cannot guarantee the consistency of the test process, so the data cannot be used for docking

Method used

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  • Multifunctional soil column simulation integration device for continuous monitoring
  • Multifunctional soil column simulation integration device for continuous monitoring
  • Multifunctional soil column simulation integration device for continuous monitoring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as Figure 1~Figure 4 As shown, a multi-functional soil column simulation integrated device for continuous monitoring includes a protection box 6, and a number of protection box pipes penetrating up and down are arranged in the protection box 6, and a soil column is arranged in the protection box pipe 4. A rainfall device 3 is arranged above the protection box 6, and the water inlet of the rain device 3 is connected with the water outlet of the first aqueduct 2, and the water inlet of the first aqueduct 2 is connected with the first Martens bottle 1 is connected to the water outlet; the bottom of the protective box 6 is provided with a box connected to the bottom of the soil column 4, and the box is connected to the second Martens bottle 13 through the second aqueduct 12, and several probes The device 7' is sequentially inserted into the protection box 6, the protection box pipeline and the probe port 7 on the soil column 4, and the probe device 7' is also connecte...

Embodiment 2

[0051] The device in Example 1 is used to simulate the continuous monitoring of the movement of salt (pollutants) and isotope changes in the unsaturated zone under two rainfall conditions (each time the rainfall is set according to the needs). The operation steps are as follows:

[0052] (1) A reverse filter layer 11 is laid on the bottom of the soil column 4 (a-f), and gravel and coarse sand are used as filter materials.

[0053] (2) Close the soil column sampling hole 10 . Prepare the soil in the study area, configure it in the same moisture content state, and complete the filling of soil column 4 (a-f) according to the design moisture content and bulk density. At the same time, fill the reserved filling space 5 of the protection box 6 with the same state soil in the column. Then fill the soil column into the protection box pipe.

[0054] (3) Open the first groundwater connection switch 8 on both sides of the protection box 6, connect the second Martens jar 13 with the so...

Embodiment 3

[0060] The device in Example 1 is used to simulate the continuous monitoring of the movement of salt (pollutants) and isotope changes in the unsaturated zone under multiple rainfall conditions (the amount of rainfall is set according to the needs each time). The operation steps are as follows:

[0061] (1) A reverse filter layer 11 is laid on the bottom of the soil column 4 (a-f), and gravel and coarse sand are used as filter materials.

[0062] (2) Close the soil column sampling hole 10 . Prepare the soil in the study area, configure it in the same moisture content state, and complete the filling of soil column 4 (a-f) according to the design moisture content and bulk density. At the same time, fill the reserved filling space 5 of the protection box 6 with the same state soil in the column. Then fill the soil column into the protection box pipe.

[0063] (3) Open the first groundwater connection switch 8 on both sides of the protection box 6, connect the second Martens jar...

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Abstract

The invention discloses a multifunctional soil column simulation integration device for continuous monitoring. The multifunctional soil column simulation integration device comprises a protection box (6), wherein a plurality of protection box channels which run through up and down are arranged in the protection box (6); a soil column (4) is arranged in a protection box pipe; a rainulator (3) is arranged at the upper part of the protection box (6); a water inlet of the rainulator (3) is connected with a water outlet of a first water guide pipe (2); the water inlet of the first water guide pipe (2) is connected with the water outlet of a first Markov bottle (1); a box body connected with the bottom end of the soil column (4) is arranged below the protection box (6); and the box body communicates with a second Markov bottle (13) through a second water guide pipe (12). Simple and effective rainfall on a plurality of soil columns can be achieved, and unsaturated water-borne salt (pollutant) transportation and continuous monitoring of isotope changes are scientifically achieved.

Description

technical field [0001] The invention relates to a multifunctional soil column simulation integrated device for continuous monitoring, belonging to the technical field of environmental engineering. Background technique [0002] Soil water in the unsaturated zone is closely related to atmospheric precipitation and groundwater, and its research is of great significance to agricultural and water issues, environmental issues, and the development and utilization of water resources. Designing indoor experiments to simulate is an effective means when studying the salt (pollutant) migration and isotope changes in unsaturated zone water during rainfall infiltration. The existing indoor rainfall infiltration monitoring test devices at home and abroad can perform a certain restoration simulation of the field environment, but there are still the following defects: 1. The integrity of the device is poor. When multiple soil columns are installed, the rainfall needs to be simulated separate...

Claims

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Application Information

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IPC IPC(8): G01N17/00G01N1/04
CPCG01N1/04G01N17/00
Inventor 陈堂清饶文波金可张文兵郑芳文
Owner HOHAI UNIV
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