CN212622075U - Experimental water and salt migration analogue means of saline soil improvement - Google Patents

Experimental water and salt migration analogue means of saline soil improvement Download PDF

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Publication number
CN212622075U
CN212622075U CN202021257131.5U CN202021257131U CN212622075U CN 212622075 U CN212622075 U CN 212622075U CN 202021257131 U CN202021257131 U CN 202021257131U CN 212622075 U CN212622075 U CN 212622075U
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organic glass
soil
column
soil improvement
improvement
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CN202021257131.5U
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詹华明
蒋名亮
李稳
徐力刚
宫少军
赵卫
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Tianjin Huakan Natural Resources Survey Technology Development Co ltd
Nanjing Institute of Geography and Limnology of CAS
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Tianjin Huakan Natural Resources Survey Technology Development Co ltd
Nanjing Institute of Geography and Limnology of CAS
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Abstract

The utility model discloses a saline soil improvement test water salt migration simulation device, which belongs to the technical field of soil column experiments and comprises a base, wherein an organic glass column is arranged at the upper end of the base, a plurality of cross columns are uniformly arranged inside the organic glass column, through holes are arranged on the surfaces of the cross columns positioned inside the organic glass column, and sealing covers are arranged at the two ends of the cross columns, the utility model discloses a cross column is arranged in the organic glass column, a drain valve is arranged at the side edge of the organic glass column, which can simulate saline soil improvement tests such as deep-layer drenching, hidden-tube drainage, sand columns and soil improvement agents, a small amount of undisturbed soil and improvement agent samples are collected through the cross columns, the salinity leachate solubility and the solution ionic characteristics are measured, the collected undisturbed soil and salinity improvement agent characteristics and ionic structures are analyzed, the improvement effect of different improvement agents and the soil improvement soil salinity under different depths are analyzed according to the measurement, the method has the advantages of multiple depths and multiple scheme combinations, and is simple and flexible to operate.

Description

Experimental water and salt migration analogue means of saline soil improvement
Technical Field
The utility model belongs to the technical field of the earth pillar experiment, concretely relates to experimental water salt migration analogue means of saline soil improvement.
Background
The soil column experiment is an important means for researching the migration and transformation rules of pollutants in soil and underground water, is widely applied to the research fields of water conservancy, agriculture, soil science and the like, and mainly aims to simulate and research the migration process of solutes so as to research the pollution problems of the soil and the underground water under the same hydrogeological conditions. Through the whole history of application and development, the soil column experiment plays an important role in scientific research in related fields, and the application of the soil column experiment can simulate the hydrological condition and the solute migration rule in soil in a laboratory and can be widely applied to the simulation research of saline soil improvement
The prior art has the following problems: in the soil column experiment for improving the saline soil by the modifier, the soil column layered sampling and the sensor arrangement are inconvenient, and the saline soil modifier cannot be freely changed in the test process.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a salt-water migration simulation device for salinized soil improvement test, which has the advantages of simple structure, multiple depths, multiple scheme combination and flexible and simple operation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a salinized soil improvement test water salt migration analogue means, includes the base, the upper end of base is provided with the organic glass post, the inside of organic glass post evenly is provided with a plurality of spreader, the surface that the spreader is located organic glass post inside is provided with the through-hole, the both ends of spreader are provided with the closing cap, the surface of organic glass post evenly is provided with the drain valve, the top of organic glass post is provided with the end cover.
Preferably, the inside of the transverse column is filled with fine sand or a saline soil improving agent.
Preferably, the inner wall of the organic glass column is a frosted surface, and the organic glass column and the base are of an integrated structure.
Preferably, fine sand is laid at the bottom of the base to serve as a reverse filtering layer.
Preferably, the closing cap is connected with the cross column in a nested clamping mode, and a sealing gasket is arranged at the joint of the cross column and the organic glass column.
Preferably, the drain valve is in threaded engagement with the organic glass column.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses set up the spreader in the organic glass post, the side sets up the drain valve, can simulate deep trickle, the hidden pipe drainage, the sand column, and salinization soil improvement such as soil amendment is experimental, gather a small amount of original state soil and amendment sample through the spreader, survey filtration liquid salinity solubility and solution ion characteristic, original state soil and amendment salinity characteristic and the ionic structure of analysis collection, the improvement effect and the effect of soil improvement soil salinity under the different degree of depth of different amendments of assay result analysis, have many depths, the advantage of multi-scheme combination, and easy operation is nimble.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a cross-sectional view of the cross-post of the present invention;
in the figure: 1. an end cap; 2. sealing the cover; 3. an organic glass column; 4. a base; 5. a drain valve; 6. a cross post; 7. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a saline soil improvement test water salt migration analogue means, includes base 4, and the upper end of base 4 is provided with organic glass post 3, and the inside of organic glass post 3 evenly is provided with a plurality of spreader 6, and spreader 6 is located the inside surface of organic glass post 3 and is provided with through-hole 7, and the both ends of spreader 6 are provided with closing cap 2, and the surface of organic glass post 3 evenly is provided with drain valve 5, and the top of organic glass post 3 is provided with end cover 1.
Specifically, fine sand or saline soil improving agent is filled in the transverse column 6,
by adopting the technical scheme, the improvement effects of different modifying agents and the effect of soil improvement soil salinity at different depths are conveniently analyzed.
Specifically, the inner wall of the organic glass column 3 is a rough surface, the organic glass column 3 and the base 4 are of an integrated structure,
by adopting the technical scheme, the occurrence of the dominant flow is avoided, and the structural stability is improved.
Specifically, fine sand is laid at the bottom of the base 4 to be used as a reverse filtering layer,
by adopting the technical scheme, the filtering is convenient.
Specifically, the sealing cover 2 is embedded and clamped with the cross column 6, a sealing gasket is arranged at the joint of the cross column 6 and the organic glass column 3,
through adopting above-mentioned technical scheme, convenient fixed improves the leakproofness.
Specifically, the drain valve 5 is in threaded engagement with the organic glass column 3,
through adopting above-mentioned technical scheme, the threaded engagement is connected and is made things convenient for the dismouting.
The utility model discloses a theory of operation and use flow: the utility model discloses during the use, install the device in suitable position, through adding different modifier and former soil in to spreader 6, it makes organic glass post 3 interior earth pillar soil saturation to add water before beginning the experiment, adopt the peristaltic pump to add water at earth pillar top layer ration during the experiment, different time quantum passes through drain valve 5 and collects filtration liquid, open closing cap 2 at the same time interval, gather a small amount of original state soil and modifier sample through spreader 6, survey filtration liquid salinity solubility and solution ion characteristic, original state soil and modifier salinity characteristic and the ionic structure of analysis collection, the effect of soil improvement soil salinity under the improvement effect and the different degree of depth of different modifiers of analysis according to the survey result, it is portable to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a saline soil improvement test water salt migration analogue means, includes base (4), its characterized in that: the upper end of base (4) is provided with organic glass post (3), the inside of organic glass post (3) evenly is provided with a plurality of spreader (6), the inside surface that spreader (6) are located organic glass post (3) is provided with through-hole (7), the both ends of spreader (6) are provided with closing cap (2), the surface of organic glass post (3) evenly is provided with drain valve (5), the top of organic glass post (3) is provided with end cover (1).
2. The saline soil improvement test water and salt migration simulation device of claim 1, wherein: fine sand or saline soil improving agents are filled in the transverse columns (6).
3. The saline soil improvement test water and salt migration simulation device of claim 1, wherein: the inner wall of the organic glass column (3) is a frosted surface, and the organic glass column (3) and the base (4) are of an integrated structure.
4. The saline soil improvement test water and salt migration simulation device of claim 1, wherein: and fine sand is laid at the bottom of the base (4) to serve as a reverse filtering layer.
5. The saline soil improvement test water and salt migration simulation device of claim 1, wherein: the sealing cover (2) is connected with the cross column (6) in a nested and clamped mode, and a sealing gasket is arranged at the joint of the cross column (6) and the organic glass column (3).
6. The saline soil improvement test water and salt migration simulation device of claim 1, wherein: the drain valve (5) is in threaded engagement with the organic glass column (3).
CN202021257131.5U 2020-06-30 2020-06-30 Experimental water and salt migration analogue means of saline soil improvement Active CN212622075U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021257131.5U CN212622075U (en) 2020-06-30 2020-06-30 Experimental water and salt migration analogue means of saline soil improvement

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Application Number Priority Date Filing Date Title
CN202021257131.5U CN212622075U (en) 2020-06-30 2020-06-30 Experimental water and salt migration analogue means of saline soil improvement

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113188941A (en) * 2021-04-27 2021-07-30 中国科学院、水利部成都山地灾害与环境研究所 Indoor simulation experiment system and method for soil moisture regulation and solute transport
CN113447635A (en) * 2021-05-11 2021-09-28 江西农业大学 Device for measuring release rate of greenhouse gases in different depths of potted soil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113188941A (en) * 2021-04-27 2021-07-30 中国科学院、水利部成都山地灾害与环境研究所 Indoor simulation experiment system and method for soil moisture regulation and solute transport
CN113447635A (en) * 2021-05-11 2021-09-28 江西农业大学 Device for measuring release rate of greenhouse gases in different depths of potted soil
CN113447635B (en) * 2021-05-11 2023-09-29 江西农业大学 Potted plant soil greenhouse gas release rate measuring device with different depths

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