CN202994782U - Soil column leaching simulator for analyzing transport characteristics of pollutants in soil - Google Patents
Soil column leaching simulator for analyzing transport characteristics of pollutants in soil Download PDFInfo
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- CN202994782U CN202994782U CN 201220631867 CN201220631867U CN202994782U CN 202994782 U CN202994782 U CN 202994782U CN 201220631867 CN201220631867 CN 201220631867 CN 201220631867 U CN201220631867 U CN 201220631867U CN 202994782 U CN202994782 U CN 202994782U
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- soil
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- semicylinder
- earth pillar
- end cover
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Abstract
The utility model discloses a soil column leaching simulator for analyzing transport characteristics of pollutants in soil. The simulator comprises a body, the body comprises semi-cylinders which are fastened with each other, a fixed ring fixed by a fastening screw is arranged on the periphery of each semi-cylinder, a nylon fine mesh, quartz sand, another nylon fine mesh and an embedded upper end cover are sequentially arranged at the upper end opening of each semi-cylinder from bottom to top, a nylon fine mesh, quartz sand and another nylon fine mesh are sequentially arranged at the lower end opening of each semi-cylinder, the lower end opening of each semi-cylinder is connected with a semicircular collecting controller with a lower end cover through a flange, and each semicircular collecting controller is provided with a lower outlet. The soil column leaching simulator is simple in structure and convenient to operate, and can be used for accurately measuring the content of relevant pollutants in the leached soil.
Description
Technical field
The utility model relates to a kind of experimental facilities, relate to specifically a kind of use in the laboratory be used for to analyze pollutant at the earth pillar eluviation simulator of soil migration feature.
Background technology
Eluviation refer to pollutant with infiltration water in soil along downward the moving of vertical section, be a kind of comprehensive behavior of pollutant Adsorption and desorption or distribution between water-soil particle.Under the effect of rainfall, snowfall and irrigation, the pollutant of accumulation leaching in various degree goes out, some diafiltration advance in underground water, bring potential threat for human health and environment.Therefore, get the leaching characteristics of pollutant in different croplands soil under simulated rainfall conditions clear, be conducive to illustrate pollutant and protect performance and the Transport And Transformation mechanism of holding in soil, and for the improvement of polluted soil with repair to utilize theoretical foundation is provided.Because field test is difficult to collect leaching liquor, so the leaching test is carried out indoor mainly with the mode of leaching post, this just has higher requirement to soil eluviation simulator, and existing leaching device is when leaching, soil easily occurs to be stirred, simulation error is large, and sampling is convenient not, causes the result of analysis of experiments inaccurate.
The utility model content
The purpose of this utility model be to overcome village in above-mentioned prior art deficiency, provide a kind of leaching simulation error little, simple to operate, sampling is convenient, accurate a kind of for analyzing the earth pillar eluviation simulator of pollutant at the soil migration feature.
the purpose of this utility model is achieved by following technical proposals: a kind of earth pillar eluviation simulator of analyzing pollutant migration feature in soil, consisted of by device body, described device body comprises the semicylinder of mutual fastening, the periphery of described semicylinder is provided with the set collar of fixing by holding screw, the upper port of described semicylinder is disposed with the nylon fine-structure mesh from the bottom to top, silica sand, the nylon fine-structure mesh, embedded upper end cover, the lower port of described semicylinder is disposed with the nylon fine-structure mesh, silica sand, the nylon fine-structure mesh, and be connected with semicircle collection controller with bottom end cover by flange, described semicircle collection controller is provided with lower outlet.
Be provided with the capacity indicating graduation on the outer wall of described semicylinder.
Described nylon gauze is 300 orders.
The centre of described upper end cover is provided with flow-guiding mouth, and the surrounding of described flow-guiding mouth is provided with micropore, and the aperture of described micropore is 2mm.
Described bottom end cover is provided with micropore, and the aperture of described micropore is 2mm.
The thickness of described silica sand is 0.5-1.5cm.
Described semicylinder is that organic glass is made.
Advantage of the present utility model and beneficial effect are:
1, simple in structure, easy to operate.Each assembly of whole leaching device is installed simple, on the leaching earth pillar, scale is arranged, and separates soil with opening earth pillar with the soil cutting plate after can accurately preparing filling soil and facilitating leaching to finish.
2, the leaching effect is better, and the leaching simulation error is little, and guaranteeing becomes a mandarin evenly spreads to soil surface.
3, sampling is convenient, accurate.After the leaching off-test, set collar is opened, is divided into semicylinder, as required with soil complete be separated into the part that needs, can the Accurate Determining leaching after contaminants associated content in soil.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is nylon fine-structure mesh and quartz construction enlarged drawing in Fig. 1;
Fig. 3 is bottom end cover structure enlarged drawing in Fig. 1;
Fig. 4 is upper end cover structure enlarged drawing in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done more detailed description:
As shown in Figures 1 to 4: a kind of earth pillar eluviation simulator of analyzing pollutant migration feature in soil, consisted of by device body, described device body comprises the semicylinder 1 of mutual fastening, described semicylinder is that organic glass is made; Be provided with capacity indicating graduation 11 on the outer wall of described semicylinder 1; The periphery of described semicylinder 1 is provided with by the fixing set collar 3 of holding screw 2, is set to upper and lower two according to height the utility model set collar 3 of semicylinder; The upper port of described semicylinder 1 is disposed with nylon fine-structure mesh 4, silica sand 5, nylon fine-structure mesh 4, embedded upper end cover 6 from the bottom to top, the centre of described upper end cover 6 is provided with flow-guiding mouth 12, the surrounding of described flow-guiding mouth 12 is provided with micropore 13, and the aperture of described micropore is 2mm; In the lower port of described semicylinder 1, be disposed with nylon fine-structure mesh 4, silica sand 5, nylon fine-structure mesh 4, and be connected with semicircle collection controller 9 with bottom end cover 8 by flange 7, described bottom end cover 8 is provided with micropore equally, and the aperture of described micropore is 2mm; The semicircle collection controller 9 of the utility model also is provided with lower outlet 10.Nylon gauze described in the utility model is 300 orders; The thickness of described silica sand is 0.5-1.5cm.
The utility model also can prepare a soil cutting plate in the process of implementing, cutting plate is similarly the organic glass material, and the semicircular edge of plate is slightly sharp, is used for cutting soil.The radius of cutting plate semicircle equates with the earth pillar inside radius.After the leaching off-test, set collar is opened, 2 semicylinders separately, keep flat rear with cutting plate as required with soil complete be separated into several parts, be used for the contaminants associated content of Accurate Determining soil.
Whole eluviation simulator is quick, accurate, easy, cheap for measuring the Leaching Character of pollutant in soil, and effect is directly perceived.
Claims (7)
1. earth pillar eluviation simulator of analyzing pollutant migration feature in soil, consisted of by device body, it is characterized in that, described device body comprises the semicylinder of mutual fastening, the periphery of described semicylinder is provided with the set collar of fixing by holding screw, the upper port of described semicylinder is disposed with the nylon fine-structure mesh from the bottom to top, silica sand, the nylon fine-structure mesh, embedded upper end cover, the lower port of described semicylinder is disposed with the nylon fine-structure mesh, silica sand, the nylon fine-structure mesh, and be connected with semicircle collection controller with bottom end cover by flange, described semicircle collection controller is provided with lower outlet.
2. the earth pillar eluviation simulator of analysis pollutant according to claim 1 migration feature in soil, is characterized in that, is provided with the capacity indicating graduation on the outer wall of described semicylinder.
3. the earth pillar eluviation simulator of analysis pollutant according to claim 1 migration feature in soil, is characterized in that, described nylon gauze is 300 orders.
4. the earth pillar eluviation simulator of analysis pollutant according to claim 1 migration feature in soil, is characterized in that, the centre of described upper end cover is provided with flow-guiding mouth, and the surrounding of described flow-guiding mouth is provided with micropore, and the aperture of described micropore is 2mm.
5. the earth pillar eluviation simulator of analysis pollutant according to claim 1 migration feature in soil, is characterized in that, described bottom end cover is provided with micropore, and the aperture of described micropore is 2mm.
6. the earth pillar eluviation simulator of analysis pollutant according to claim 1 migration feature in soil, is characterized in that, the thickness of described silica sand is 0.5-1.5cm.
7. the earth pillar eluviation simulator of analysis pollutant according to claim 1 migration feature in soil, is characterized in that, described semicylinder is that organic glass is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631867 CN202994782U (en) | 2012-11-25 | 2012-11-25 | Soil column leaching simulator for analyzing transport characteristics of pollutants in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631867 CN202994782U (en) | 2012-11-25 | 2012-11-25 | Soil column leaching simulator for analyzing transport characteristics of pollutants in soil |
Publications (1)
| Publication Number | Publication Date |
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| CN202994782U true CN202994782U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201220631867 Expired - Fee Related CN202994782U (en) | 2012-11-25 | 2012-11-25 | Soil column leaching simulator for analyzing transport characteristics of pollutants in soil |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435130A (en) * | 2013-06-25 | 2013-12-11 | 中国科学院南京土壤研究所 | Application of aluminum modified straw biomass charcoal in removal of escherichia coli from water body |
| CN104297446A (en) * | 2014-10-15 | 2015-01-21 | 同济大学 | Assembled-type vertical saturated soil column pollutant migration testing device |
| CN106979922A (en) * | 2017-05-11 | 2017-07-25 | 农业部环境保护科研监测所 | Soil eluviation post and soil eluviation simulation system |
| CN108051564A (en) * | 2017-12-12 | 2018-05-18 | 内蒙古科技大学 | A kind of method and apparatus for measure soil potassium leaching in short term |
| CN108519475A (en) * | 2018-03-14 | 2018-09-11 | 成都理工大学 | A kind of device and method of simulation aeration zone solute transfer |
| CN109187286A (en) * | 2018-11-27 | 2019-01-11 | 扬州大学 | Simulate the device and its analogy method of contaminant transportation rule under soil dry-wet alternating situation |
| CN109975183A (en) * | 2019-03-07 | 2019-07-05 | 四川省农业科学院土壤肥料研究所 | A kind of soil pollutant migration rate calculation method |
-
2012
- 2012-11-25 CN CN 201220631867 patent/CN202994782U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435130A (en) * | 2013-06-25 | 2013-12-11 | 中国科学院南京土壤研究所 | Application of aluminum modified straw biomass charcoal in removal of escherichia coli from water body |
| CN104297446A (en) * | 2014-10-15 | 2015-01-21 | 同济大学 | Assembled-type vertical saturated soil column pollutant migration testing device |
| CN104297446B (en) * | 2014-10-15 | 2016-04-06 | 同济大学 | The vertical saturated earth pillar contaminant transportation test unit of assembly type |
| CN106979922A (en) * | 2017-05-11 | 2017-07-25 | 农业部环境保护科研监测所 | Soil eluviation post and soil eluviation simulation system |
| CN106979922B (en) * | 2017-05-11 | 2023-09-29 | 农业部环境保护科研监测所 | Soil leaching column and soil leaching simulation system |
| CN108051564A (en) * | 2017-12-12 | 2018-05-18 | 内蒙古科技大学 | A kind of method and apparatus for measure soil potassium leaching in short term |
| CN108051564B (en) * | 2017-12-12 | 2020-05-29 | 内蒙古科技大学 | Method and device for short-term determination of potassium leaching amount of soil |
| CN108519475A (en) * | 2018-03-14 | 2018-09-11 | 成都理工大学 | A kind of device and method of simulation aeration zone solute transfer |
| CN109187286A (en) * | 2018-11-27 | 2019-01-11 | 扬州大学 | Simulate the device and its analogy method of contaminant transportation rule under soil dry-wet alternating situation |
| CN109187286B (en) * | 2018-11-27 | 2024-03-01 | 扬州大学 | Device for simulating pollutant migration rule under soil dry-wet alternation condition and simulation method thereof |
| CN109975183A (en) * | 2019-03-07 | 2019-07-05 | 四川省农业科学院土壤肥料研究所 | A kind of soil pollutant migration rate calculation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141125 |
|
| EXPY | Termination of patent right or utility model |