CN210243647U - Soil column leaching device for downward infiltration and migration of pollutants - Google Patents
Soil column leaching device for downward infiltration and migration of pollutants Download PDFInfo
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- CN210243647U CN210243647U CN201920637883.5U CN201920637883U CN210243647U CN 210243647 U CN210243647 U CN 210243647U CN 201920637883 U CN201920637883 U CN 201920637883U CN 210243647 U CN210243647 U CN 210243647U
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Abstract
The utility model relates to a soil column leaching device for pollutant infiltration and migration, belonging to the technical field of agricultural environment protection simulation research; the soil column eluviation device for pollutant infiltration migration comprises a soil column fixing frame, an eluviation soil column pipe, a soil solution sampler and an analysis filler, wherein the eluviation soil column pipe is uniformly and vertically arranged on the soil column fixing frame, the analysis filler is arranged in the eluviation soil column pipe, sampling ports located at different heights are uniformly arranged on the pipe wall of the eluviation soil column pipe, and the soil solution sampler is connected to the sampling ports; the utility model discloses can the migration change characteristic of assay pollutant in soil and leachate, and be equipped with the sample connection of the different degree of depth, the distribution characteristic of assay pollutant in soil or leachate vertical direction is come in the sample of the different degree of depth to the accessible, simple structure, and the sample is convenient, easy to carry out.
Description
Technical Field
The utility model relates to a soil column eluviation device that pollutant infiltrated and migrated belongs to agricultural environment protection simulation research technical field.
Background
With the continuous deepening of the industrialization process of China, the tailing pond of industrial and mining enterprises is a storage place of industrial wastes and contains a large amount of toxic and harmful substances, and the substances seriously damage ecological environments such as soil, water and the like in the overground or underground areas around the tailing pond to cause pollution through the effects of sedimentation, leakage and the like, so that huge hidden dangers can be brought to the peripheral agricultural production and the life of residents. Therefore, the leaching and migration change characteristics of the pollutants in the soil and the leaked water are determined, the theoretical basis is laid for solving the problem of environmental pollution caused by the leaching and migration change characteristics, and the sustainable development of industrial and mining enterprises is supported.
At present, the common methods for researching the migration change characteristics of pollutants include field dynamic monitoring and indoor simulation tests. The indoor simulation test can carry out artificial simulation control under different conditions, is simple and convenient to operate and easy for quantitative research, and can avoid the defects of long duration, high cost and the like of field research. In addition, most earth pillar eluviation devices can only unilateral carry out the analysis to soil or percolating water today, and some current device structures are complicated, and it is not convenient enough to take a sample, can not get up soil and the effectual combination of water, carries out the accurate analysis of pollutant migration change characteristic.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the background art, the utility model discloses can the migration change characteristic of assay pollutant in soil and leachate, and be equipped with the sample connection of the different degree of depth, the distribution characteristic of the sample of the different degree of depth of accessible pollutant on soil or leachate vertical direction, simple structure, the sample is convenient, easy to carry out.
In order to overcome the problem that exists among the background art, for solving above-mentioned problem, the utility model discloses a following technical scheme realizes:
the soil column eluviation device for pollutant infiltration migration comprises a soil column fixing frame, an eluviation soil column pipe, a soil solution sampler and an analysis filler, wherein the eluviation soil column pipe is uniformly and vertically arranged on the soil column fixing frame, the analysis filler is arranged in the eluviation soil column pipe, sampling ports located at different heights are uniformly arranged on the pipe wall of the eluviation soil column pipe, and the sampling ports are connected with the soil solution sampler.
Preferably, the analysis filler is solid waste, test soil and a filter layer which are sequentially arranged in the eluviation soil column tube from top to bottom, and a water injection space is reserved in the eluviation soil column tube at the top of the solid waste.
Preferably, the inner diameter of the column body of the leaching soil column pipe is 10 cm, and the height of the column body is 110 cm.
Preferably, the filling height of the tested soil in the eluviation soil column pipe is 80 cm, the filling height of the solid waste is 20 cm, and the height of the reserved water injection space is 10 cm.
Preferably, the filter layer is made of gauze wrapping quartz sand.
Preferably, the bottom of the eluviation earth pillar pipe is sleeved with a pipe cap, a sampling port arranged at the bottom of the pipe cap is connected with a rubber conduit, and the filter layer is arranged in the pipe cap.
The utility model has the advantages that:
the utility model discloses can the migration change characteristic of assay pollutant in soil and leachate, and be equipped with the sample connection of the different degree of depth, the distribution characteristic of assay pollutant in soil or leachate vertical direction is come in the sample of the different degree of depth to the accessible, simple structure, and the sample is convenient, easy to carry out.
Drawings
FIG. 1 is a schematic view of the earth pillar leaching device of the present invention;
fig. 2 is a schematic sectional view of the eluviation column of the present invention.
The reference numbers in the figures are: 1-a soil column fixing frame, 2-a eluviation soil column pipe, 3-a soil solution sampler, 4-solid waste, 5-soil to be tested, 6-a filtering layer, 7-a rubber hose, 8-a water injection space and 9-a pipe cap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-2, the soil column eluviation device for pollutant infiltration and migration includes a soil column fixing frame 1, an eluviation soil column pipe 2, a soil solution sampler 3, and an analysis filler, wherein the eluviation soil column pipe 2 is uniformly arranged on the soil column fixing frame 1, the soil column fixing frame 1 is made of stainless steel materials by welding, and the specifications are as follows: the length is 180 cm, the width is 14 cm, the height is 85 cm (the length can be freely controlled according to the number of soil columns required by a specific test); the supporting legs that 10 cm are high are welded respectively in four angle departments of earth pillar mount 1 in the bottom surface, when carrying out the eluviation experiment, arrange eluviation soil column pipe 2 in on mount 1, because behind the interior packing analysis filler of eluviation soil column pipe 2, weight increase, consequently weld two spinal branch brace bars on mount 1 bottom surface for the fixed of eluviation soil column pipe 2 with support.
The eluviation soil column pipe 2 is made of PVC materials, the inner diameter of the column body is 10 cm, the height of the column body is 110 cm, vaseline is evenly smeared on the inner wall of the column body, and the edge effect between the smooth inner wall and soil is prevented. Evenly be equipped with the sample connection that is located not co-altitude on the pipe wall of eluviation soil column pipe 2, be connected with soil solution sampler 3 on the sample connection, eluviation soil column intraduct is provided with the analysis filler, and the analysis filler is by the solid waste 4, supply examination soil 5 and the filter layer 6 that down set gradually at eluviation soil column intraduct from top to bottom, and solid waste 4 top reservation has the water injection space 8 of take the altitude, the filling height of supply examination soil 5 is 80 cm in the eluviation soil column pipe 2, and the filling height of solid waste 4 is 20 cm, and reservation water injection space 8 highly is 10 cm. The lower end of a column body of the leaching soil column tube 2 is wrapped by a 300-mesh nylon net and is tightly tied, then a tube cap 9 which is provided with a gauze in advance and is paved with quartz sand on the gauze is sleeved at the bottom end of the column to form a filter layer 6 for filtering leaching liquid, a sampling opening arranged at the bottom of the tube cap 9 is connected with a rubber conduit 7 with a certain length, and a sampling bottle is used for sampling.
At least three sample connection that is connected with soil solution sampler 3 is seted up to the lateral wall of eluviation soil column pipe 2, every sample connection interval 20 cm, wherein first sample connection is 50 cm from the cylinder top, soil solution sampler 3 chooses for use with the Rhizon soil solution sampler 3 in the Netherlands, in other embodiments, also can adopt other solution samplers of the function unanimity, soil solution sampler 3 can the migration change characteristics of simultaneous analysis pollutant in soil and leachate, simultaneously, the sample connection of the different degree of depth, the distribution characteristic of accessible different degree of depth sample comes the analysis pollutant in soil or leachate vertical direction.
In order to prevent disturbance of the contents filled in the eluviation soil column 2 when the eluviation soil column 2 is eluviated with water, the surface of the solid waste 4 to be filled is covered with filter paper.
The utility model discloses can the migration change characteristic of assay pollutant in soil and leachate, and be equipped with the sample connection of the different degree of depth, the distribution characteristic of assay pollutant in soil or leachate vertical direction is come in the sample of the different degree of depth to the accessible, simple structure, and the sample is convenient, easy to carry out.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a soil column eluviation device that pollutant infiltrated and migrated which characterized in that: the soil column eluviation device for pollutant infiltration migration comprises a soil column fixing frame, an eluviation soil column pipe, a soil solution sampler and an analysis filler, wherein the eluviation soil column pipe is uniformly and vertically arranged on the soil column fixing frame, the analysis filler is arranged in the eluviation soil column pipe, sampling ports located at different heights are uniformly arranged on the pipe wall of the eluviation soil column pipe, and the sampling ports are connected with the soil solution sampler.
2. The soil column eluviation device for downward infiltration and migration of pollutants according to claim 1, characterized in that: the analysis filler is solid waste, test soil and a filter layer which are sequentially arranged in the eluviation soil column tube from top to bottom, and a water injection space is reserved in the eluviation soil column tube at the top of the solid waste.
3. The soil column eluviation device for downward infiltration and migration of pollutants according to claim 1, characterized in that: the inner diameter of the column body of the eluviation soil column pipe is 10 cm, and the height of the column body is 110 cm.
4. The soil column eluviation device for contaminant infiltration migration according to claim 1 or 3, characterized in that: the filling height of the tested soil in the eluviation soil column pipe is 80 cm, the filling height of the solid waste is 20 cm, and the height of the reserved water injection space is 10 cm.
5. The soil column eluviation device for downward infiltration and migration of pollutants according to claim 2, characterized in that: the filter layer is composed of a gauze wrapping quartz sand.
6. The soil column eluviation device for contaminant infiltration migration according to claim 2 or 5, characterized in that: the leaching soil column tube is characterized in that a tube cap is sleeved at the bottom of the leaching soil column tube, a rubber guide tube is connected to a sampling port arranged at the bottom of the tube cap, and the filter layer is arranged in the tube cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637883.5U CN210243647U (en) | 2019-05-07 | 2019-05-07 | Soil column leaching device for downward infiltration and migration of pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637883.5U CN210243647U (en) | 2019-05-07 | 2019-05-07 | Soil column leaching device for downward infiltration and migration of pollutants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243647U true CN210243647U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920637883.5U Expired - Fee Related CN210243647U (en) | 2019-05-07 | 2019-05-07 | Soil column leaching device for downward infiltration and migration of pollutants |
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| CN (1) | CN210243647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433035A (en) * | 2020-11-19 | 2021-03-02 | 中北大学 | Simulation device and method for soil collection and leaching solution collection of pollutants in soil column leaching |
| CN113655200A (en) * | 2021-08-11 | 2021-11-16 | 辽宁大学 | Soil heavy metal migration simulation soil column rainfall leaching experimental device and experimental method |
-
2019
- 2019-05-07 CN CN201920637883.5U patent/CN210243647U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433035A (en) * | 2020-11-19 | 2021-03-02 | 中北大学 | Simulation device and method for soil collection and leaching solution collection of pollutants in soil column leaching |
| CN113655200A (en) * | 2021-08-11 | 2021-11-16 | 辽宁大学 | Soil heavy metal migration simulation soil column rainfall leaching experimental device and experimental method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |