CN102998230A - Pollution halo layered observation device and method for simulating pollutant contaminated soil - Google Patents
Pollution halo layered observation device and method for simulating pollutant contaminated soil Download PDFInfo
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- CN102998230A CN102998230A CN2012105076116A CN201210507611A CN102998230A CN 102998230 A CN102998230 A CN 102998230A CN 2012105076116 A CN2012105076116 A CN 2012105076116A CN 201210507611 A CN201210507611 A CN 201210507611A CN 102998230 A CN102998230 A CN 102998230A
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Abstract
The invention relates to a pollution halo layered observation device and method for simulating pollutant contaminated soil. The device comprises a soil sample box and a feeding device for feeding pollutants, wherein the feeding device is positioned above a feeding box; the soil sample box is formed by splicing multiple soil layer cavities (1) which are laminated vertically; and a calibrated scale (5) is arranged on a side plate of the soil layer cavities (1). The observation method comprises the following steps of: 1, borrowing soil; 2, feeding pollutants into the soil sample box through the feeding device; 3, separating the soil sample box into independent soil layer cavities; 4, projecting a pollutant range on the soil surface layer in each soil layer cavity to a two-dimensional coordinate system by using the calibrated scale; and 5, projecting a two-dimensional projection drawing on the soil surface layer in each soil layer cavity into a three-dimensional coordinate system according to the height position of the soil surface layer in each soil layer cavity, and connecting to form a three-dimensional pollution halo. According to the observation device and method, the pollution halo can be conveniently, directly and accurately observed on the basis that the influence to the soil structure is minimum.
Description
Technical field
The present invention relates to soil pollution and observe the field, more particularly, relate to a kind of dizzy layering observation device of pollution and method of simulating pollution thing contaminated soil.
Background technology
Along with quickening and the industrial development of urbanization process, the also constantly aggravation of various pollutions that human factor causes aerated zone soil.Heavy metal, radiomaterial, the transudate of refuse landfill and the leakage of petroleum hydrocarbon that factory discharges are threatening aerated zone soil constantly.Aerated zone soil is the necessary resource of human survival, simultaneously also be pollutant to the passage of Groundwater movement, aeration zone pollutes and is known as " invisible pollution ".Current, China's soil pollution is on the rise, and aerated zone soil is subject to pollution in various degree, and ecologic environment, food security and agricultural sustainable development have been consisted of serious threat.Soil pollution causes objectionable impurities to accumulate in crops, and enters human body by food chain, causes various diseases, finally is detrimental to health.
Aerated zone soil pollutes and has nonreversibility, therefore pollute and rely mainly on prevention, but because human inadequate to the understanding of aeration zone, the control that aeration zone pollutes is difficulty comparatively.In recent years, the expert has carried out broad research to the pollution of aerated zone soil both at home and abroad, but because aeration zone underground, is inconvenient to observe, it is very difficult directly to study the Contaminants Transport rule.Although can simulate the pollution in the contaminants aeration zone process is dizzy by some numerical simulation softwares, error can't be furtherd investigate Contaminants Transport mechanism more greatly.
In the research Contaminants Transport, physical simulation is a kind of effective research means.How to work out convenient observation, the physical simulating device and the method that meet open-air actual geological condition all are significant to aerated zone soil protection and reparation.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of dizzy layering observation device of pollution and method of simulating pollution thing contaminated soil is provided.
The technical solution adopted for the present invention to solve the technical problems is: the dizzy layering observation device of pollution of constructing a kind of simulating pollution thing contaminated soil, the charging device that comprises soil sample case and input pollutant, described charging device is positioned at described feeding tank top, described soil sample case is spliced by a plurality of soil layer chambeies that stack up and down, the side plate in described soil layer chamber is provided with rule, the bottom that is positioned at soil layer chamber bottom is provided with base plate, and the bottom in the soil layer chamber in described top layer and middle layer is provided with separation net.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, there is opening front end and the upper end in described soil layer chamber, and the side plate in described soil layer chamber is provided with perpendicular sword bar, described base plate and described separation net and is provided with the chisel edge bar at the front opening place at the front opening place.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, described observation device also comprises cutting plate, and described perpendicular sword bar is provided with chute, and described cutting plate inserts in the described chute.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, described observation device also comprises handle and web joint, the described soil layer chamber side plate relative with described front opening is squab panel, described web joint is fixed on the described squab panel, and described handle is fixed on the described web joint.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, the bottom of described soil sample case is provided with soil taking shovel.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, the up and down two ends of the side plate in described soil layer chamber are provided with connection strap, and described connection strap is provided with groove, is provided with sealing strip in the described groove.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, two adjacent soil layer chambeies removably connect by securing member, and described securing member is installed on the described connection strap.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, described charging device comprises Ma Shi bottle, cover plate and glass tube, described cover plate covers described soil sample case top, one end of described glass tube inserts in the described Ma Shi bottle, the other end inserts in the described cover plate, and described glass tube is provided with valve.
In the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention, be provided with silica sand in the described glass tube.
The present invention also provides a kind of pollution of simulating pollution thing contaminated soil dizzy layering observation procedure, may further comprise the steps:
S1 fetches earth, and makes and fills full soil in each soil layer chamber of soil sample case;
S2 throws in pollutant by charging device in the soil sample case;
S3, Pollutants Diffusion is separated into independently soil layer chamber with the soil sample case after a period of time;
S4 observes the pollutant of upper soll layer in each soil layer chamber, and with rule the pollutant scope of upper soll layer in each soil layer chamber is projected to two-dimensional coordinate and fasten, and records the height and position of upper soll layer in each soil layer chamber;
S5 projects in the three-dimensional system of coordinate according to the height and position of upper soll layer in each the soil layer chamber two-dimension projection with upper soll layer in each soil layer chamber, and be connected to form three-dimensional pollute dizzy.
Implement the dizzy layering observation device of pollution and the method for simulating pollution thing contaminated soil of the present invention, have following beneficial effect:
(1), drop into pollutant by the soil of charging device in the top layer of soil sample case after, pollutant can see through in the soil in the soil layer chamber that separation net enters lower floor.After pollutant is thrown in a period of time, the soil layer chamber is separated, can clearly observe the pollutant of the upper soll layer in each soil layer chamber, and with rule the pollutant scope of upper soll layer in each soil layer chamber is projected to two-dimensional coordinate and fasten, and record the height and position of upper soll layer in each soil layer chamber, in conjunction with the pollutant scope in multilayer soil layer chamber and the height at place, can obtain three-dimensional the pollution and swoon.Utilize observation device of the present invention to affect on the basis of soil texture in minimum degree, the pollution of accurately simulating pollution thing pollution aerated zone soil is dizzy.Utilize method of the present invention to affect on the basis of soil texture in minimum degree, observe polluting conveniently, directly, accurately and swoon.
(2), obtain sometime the dizzy three-dimensional graph of pollution by method of the present invention after, can again the soil layer chamber be combined, repeating step S3-S5 just can obtain the dizzy three-dimensional graph of pollution of each time point.The three-dimensional graph input computing machine that the pollution of different time points is dizzy, the parameters such as dispersity that can inversion of three dimensional and dispersion coefficient.Simultaneously, can observe clearly pollutant at the pollution course of aerated zone soil, be convenient to analyse in depth the solute transport of pollutant in aerated zone soil.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the dizzy layering observation device of pollution of simulating pollution thing contaminated soil of the present invention;
Fig. 2 is the structural representation in soil layer chamber.
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1 and Figure 2, the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil of the present invention comprises charging device and soil sample case.The soil sample case is spliced by a plurality of soil layer chambeies 1 that stack up and down.The side plate in soil layer chamber 1 is provided with rule 5, is equipped with rule 5 at horizontal, vertical and vertical direction.Bottom at the soil sample case can arrange soil taking shovel 19, is convenient to fetch earth.The bottom in the soil layer chamber 1 in top layer and middle layer is provided with separation net, and the compactness extent of separation net is determined jointly by soil particle diameter and pollutant viscosity, guarantees soil can not be seen through, and pollutant can be seen through.The bottom that is positioned at soil layer chamber 1 bottom is provided with base plate 11, does not have the hole on the base plate 11, and pollutant can not see through.Charging device be used for to be thrown in pollutant, for the ease of observing, and can dyed blended dose in the pollutant.Charging device is arranged on the top of soil sample case, and after delivery device was thrown in pollutant, pollutant is successively diffusion from top to bottom.The soil sample case is separated into independently soil layer chamber 1, just can clearly observe the pollutant of the upper soll layer in each soil layer chamber 1, and with rule 5 the pollutant scope of each soil layer chamber 1 interior upper soll layer is projected to two-dimensional coordinate and fasten, and record the height and position of each soil layer chamber 1 interior upper soll layer, in conjunction with the pollutant scope in multilayer soil layer chamber 1 and the height at place, can obtain three-dimensional the pollution and swoon.Utilize observation device of the present invention to affect on the basis of soil texture in minimum degree, the pollution of accurately simulating pollution thing pollution aerated zone soil is dizzy.Number when soil layer chamber 1 increases, and when the height in single soil layer chamber 1 reduced, the three-dimensional that obtains was polluted dizzy also just more accurate.
Further, there is opening front end and the upper end in soil layer chamber 1, and the opening of front end is used for fetching earth, and the opening of upper end is used for keeping being communicated with adjacent soil layer chamber 1.The side plate in soil layer chamber 1 is provided with perpendicular sword bar 4, base plate 11 and separation net and is provided with chisel edge bar 8 at the front opening place at the front opening place, perpendicular sword bar 4 and chisel edge bar 8 can insert in the soil, are convenient to fetch earth.
Further, observation device can also comprise cutting plate 6, and perpendicular sword bar 4 is provided with chute, and cutting plate 6 inserts in the chute.When fetching earth, cutting plate 6 is inserted in the chute, the opening of sealing soil sample case front end makes the soil sample box-shaped become the casing of a sealing.In the process that fetches earth, the perpendicular sword bar 4 of the superiors should expose outside, and is convenient with in the cutting plate 6 insertion chutes.
Further, observation device also comprises handle 14 and web joint 13.Soil layer chamber 1 side plate relative with front opening is squab panel 2, and both sides are sidewall paneling 3 in addition.Web joint 13 is fixed on the squab panel 2 by screw rod 12, and handle 14 is fixed on the web joint 13.Hammering handle 14 can improve the efficient that fetches earth, and a plurality of soil layers chamber 1 can be connected into an integral body by web joint 13, makes whole soil sample case stressed evenly, avoids the spoiled soil structure.Fetch earth finish after, pull handle 14 can be taken out whole soil sample case.
Further, the up and down two ends of the side plate in soil layer chamber 1 are provided with connection strap 9, and two adjacent soil layer chambeies 1 removably connect by screw rod 12 or other securing member, and securing member is installed on the connection strap 9.Connection strap 9 is provided with groove, is provided with sealing strip 10 in the groove, plays the effect of sealing.
Further, charging device comprises Ma Shi bottle 16, cover plate 15 and glass tube 17.Cover plate 15 covers soil sample case top, and an end of glass tube 17 inserts in the Ma Shi bottle 16, and the other end inserts in the cover plate 15.Glass tube 17 is provided with valve 18, can control the input of pollutant.Throw in by Ma Shi bottle 16, can guarantee that hydrostatic pressing is constant, when the parameters such as the dispersity of passing through the dizzy three-dimensional graph Inversion Calculation three-dimensional of pollution and dispersion coefficient, can provide the boundary condition of constant pressure and constant concentration.
Further, be provided with silica sand in the glass tube 17, can filter out the solid in the pollutant, and can reduce the kinetic energy in the pollutant launch process, avoid destroying the topsoil structure.
The present invention also provides a kind of pollution of simulating pollution thing contaminated soil dizzy layering observation procedure, it is characterized in that, may further comprise the steps:
S1 fetches earth, and makes and fills full soil in each soil layer chamber of soil sample case.
S2 throws in pollutant by charging device in the soil sample case, pollutant spreads from top to bottom, for the ease of observing, and can dyed blended dose in the pollutant.
S3, Pollutants Diffusion is separated into independently soil layer chamber with the soil sample case after a period of time.
S4 observes the pollutant of upper soll layer in each soil layer chamber, and with rule the pollutant scope of upper soll layer in each soil layer chamber is projected to two-dimensional coordinate and fasten, and records the height and position of upper soll layer in each soil layer chamber.The origin position of two-dimensional coordinate system can be selected arbitrarily, and the height and position of upper soll layer can be with the position of top cover in the above-mentioned observation device as a reference.
S5, project in the three-dimensional system of coordinate according to the height and position of upper soll layer in each the soil layer chamber two-dimension projection with upper soll layer in each soil layer chamber, and it is dizzy to be connected to form three-dimensional pollution, and the initial point of three-dimensional system of coordinate can be arranged on the plane at top cover place in the above-mentioned observation device.
Adopt said method to affect on the basis of soil texture in minimum degree, observe polluting conveniently, directly, accurately and swoon.
After obtaining sometime the dizzy three-dimensional graph of pollution by method of the present invention, can the soil layer chamber be combined, repeating step S3-S5 just can obtain the dizzy three-dimensional graph of pollution of each time point again.The three-dimensional graph input computing machine that the pollution of different time points is dizzy, the parameters such as dispersity that can inversion of three dimensional and dispersion coefficient.Simultaneously, can observe clearly pollutant at the pollution course of aerated zone soil, be convenient to analyse in depth the solute transport of pollutant in aerated zone soil.
The above is described embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. the dizzy layering observation device of the pollution of a simulating pollution thing contaminated soil, it is characterized in that, the charging device that comprises soil sample case and input pollutant, described charging device is positioned at described feeding tank top, described soil sample case is spliced by a plurality of soil layer chambeies (1) that stack up and down, the side plate in described soil layer chamber (1) is provided with rule (5), and the bottom that is positioned at soil layer chamber (1) bottom is provided with base plate (11), and the bottom in the soil layer chamber (1) in described top layer and middle layer is provided with separation net.
2. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 1, it is characterized in that, there is opening front end and the upper end in described soil layer chamber (1), and the side plate in described soil layer chamber (1) is provided with perpendicular sword bar (4), described base plate (11) and described separation net and is provided with chisel edge bar (8) at the front opening place at the front opening place.
3. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 2 is characterized in that described observation device also comprises cutting plate (6), and described perpendicular sword bar (4) is provided with chute, and described cutting plate (6) inserts in the described chute.
4. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 2, it is characterized in that, described observation device also comprises handle (14) and web joint (13), described soil layer chamber (1) side plate relative with described front opening is squab panel (2), described web joint (13) is fixed on the described squab panel (2), and described handle (14) is fixed on the described web joint (13).
5. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 1 is characterized in that the bottom of described soil sample case is provided with soil taking shovel (19).
6. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 1, it is characterized in that, the up and down two ends of the side plate in described soil layer chamber (1) are provided with connection strap (9), and described connection strap (9) is provided with groove, are provided with sealing strip (10) in the described groove.
7. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 6 is characterized in that adjacent two soil layer chambeies (1) removably connect by securing member, and described securing member is installed on the described connection strap (9).
8. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 1, it is characterized in that, described charging device comprises Ma Shi bottle (16), cover plate (15) and glass tube (17), described cover plate (15) covers described soil sample case top, one end of described glass tube (17) inserts in the described Ma Shi bottle (16), the other end inserts in the described cover plate (15), and described glass tube (17) is provided with valve (18).
9. the dizzy layering observation device of the pollution of simulating pollution thing contaminated soil according to claim 8 is characterized in that described glass tube is provided with silica sand in (17).
10. the dizzy layering observation procedure of the pollution of a simulating pollution thing contaminated soil is characterized in that, may further comprise the steps:
S1 fetches earth, and makes and fills full soil in each soil layer chamber of soil sample case;
S2 throws in pollutant by charging device in the soil sample case;
S3, Pollutants Diffusion is separated into independently soil layer chamber with the soil sample case after a period of time;
S4 observes the pollutant of upper soll layer in each soil layer chamber, and with rule the pollutant scope of upper soll layer in each soil layer chamber is projected to two-dimensional coordinate and fasten, and records the height and position of upper soll layer in each soil layer chamber;
S5 projects in the three-dimensional system of coordinate according to the height and position of upper soll layer in each the soil layer chamber two-dimension projection with upper soll layer in each soil layer chamber, and be connected to form three-dimensional pollute dizzy.
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| CN201210507611.6A CN102998230B (en) | 2012-11-30 | 2012-11-30 | Pollution halo layered observation device and method for simulating pollutant contaminated soil |
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| CN201210507611.6A CN102998230B (en) | 2012-11-30 | 2012-11-30 | Pollution halo layered observation device and method for simulating pollutant contaminated soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108387485A (en) * | 2018-03-29 | 2018-08-10 | 安徽理工大学 | Solute molecule diffusion coefficients experimental provision based on layering porous media |
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| US20110030449A1 (en) * | 2005-11-02 | 2011-02-10 | Land Eco Corporation | Soil contamination detector and detection method |
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| CN201867402U (en) * | 2010-11-02 | 2011-06-15 | 沈阳大学 | Typical pollutant migration device for wet land |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108387485A (en) * | 2018-03-29 | 2018-08-10 | 安徽理工大学 | Solute molecule diffusion coefficients experimental provision based on layering porous media |
| CN108387485B (en) * | 2018-03-29 | 2023-09-22 | 安徽理工大学 | Experimental device for determining diffusion coefficient of solute molecules based on layered porous medium |
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