CN209272121U - Contaminated soil experimental device for washing - Google Patents
Contaminated soil experimental device for washing Download PDFInfo
- Publication number
- CN209272121U CN209272121U CN201822118984.XU CN201822118984U CN209272121U CN 209272121 U CN209272121 U CN 209272121U CN 201822118984 U CN201822118984 U CN 201822118984U CN 209272121 U CN209272121 U CN 209272121U
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- China
- Prior art keywords
- elution
- column
- contaminated soil
- experimental device
- elution column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002689 soil Substances 0.000 title claims abstract description 69
- 238000005406 washing Methods 0.000 title claims abstract description 26
- 238000010828 elution Methods 0.000 claims abstract description 92
- 239000000706 filtrate Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 15
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 9
- 238000002386 leaching Methods 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 239000006004 Quartz sand Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003480 eluent Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of contaminated soil experimental device for washing, it is related to the technical field of pollution control, including eluting column, opening is provided on the elution column, the opening is provided with cover board, the spray head for washed off soil is provided in the elution column, the spray head is connect with elution pipe, and the elution pipe is connect across cover board with elution liquid supplying device；It is provided with the cavity for accommodating soil in the elution column, is filled with filtrate in the elution column lower end, filter plate is provided on filtrate, the soil is located on the filter plate.The peristaltic pump of contaminated soil experimental device for washing provided by the utility model can quantitatively control leacheate flow, to during washed off soil, elution time, leacheate usage amount and the lessivation effect of generation can be recorded, and elute multiple sample taps on column, it being capable of sample detection at any time, accurate Non-leaching liquid usage amount and soil treatment effect.
Description
Technical field
The utility model relates to the technical fields of pollution control, more particularly, to a kind of contaminated soil experimental device for washing.
Background technique
The soil pollution in China is mainly based on heavy metal pollution, and wherein cadmium, mercury, lead, arsenic, pollution of chromium are the most prominent, I
There are about tens of thousands of hectares of soils by the pollution such as cadmium, mercury at present for state.It causes the factor of heavy metal pollution of soil mainly to have at present: containing
Stacking, the dried wet deposition of the flue dust containing heavy metal, the discharge of heavy metal-containing waste water, Sewage Irrigation in Farmland and the sludge of heavy metal waste
Fertilising etc..It is not easily decomposed, converts and is enriched with and the complexity of the structure of soil system itself since heavy metal enters after soil
Property, so that the improvement of heavy metal pollution of soil is very difficult.
Contaminated soil elution technique is a kind of new method of repairing polluted soil, is one kind biological prosthetic to contaminated soil
Supplement, makes it possible the systematization of contaminated soil remediation.
Elution method mainly uses eluent to clean soil, flows out pollutant in soil with eluent, then to eluent
And soil carries out subsequent processing, to achieve the purpose that repairing polluted soil.
It is compared with other processing methods, soil washing invests and consumes relatively fewer, and operator can be not directly contacted with
Pollutant.Soil washing can remove a large amount of pollutant in soil, have a wide range of applications, and can limit harmful useless
The range of scatter of gurry.
But the elution time generated in the process and leacheate usage amount, lessivation effect are always to perplex science and technology
The problem of worker.
Utility model content
The purpose of this utility model is to provide contaminated soil experimental device for washing, to solve to clean soil using eluent
Lessivation effect be not easy the technical issues of recording.
A kind of contaminated soil experimental device for washing provided by the utility model, including elution column, set on the elution column
It is equipped with opening, the opening is provided with cover board,
The spray head for washed off soil is provided in the elution column, the spray head is connect with elution pipe, and institute
It states elution pipe and is connect across cover board with elution liquid supplying device；
It is provided with the cavity for accommodating soil in the elution column, is filled with filtrate in the elution column lower end, is filtering
Filter plate is provided on material, the soil is located on the filter plate；
Leakage fluid dram is provided on the elution column, leacheate is discharged after filter material from leakage fluid dram.
Further, the elution liquid supplying device includes leacheate reservoir and peristaltic pump；It stretches described elution pipe one end
Enter in the leacheate reservoir, is connect by peristaltic pump with the spray head.
Further, it is provided at least one sample tap on the elution column, is provided with sealing cover on the sample tap.
Further, there are three sample taps for setting on the elution column, and three sample taps are along the length side of the elution column
To setting.
It further, further include Filtrate collection device, the Filtrate collection device is connected by collecting pipe and the leakage fluid dram
It connects.
Further, the longitudinal section of the elution column bottom is U-shaped；The leakage fluid dram is located in the elution column bottom
Between.
Further, the elution column lower end is provided with pedestal, and the pedestal is used to adjust the height of elution column.
Further, the filtrate is quartz sand, and quartz sand particle size is less than 1mm.
Further, the cover board is bolted on elution column, and elutes opening for column with described in the cover board
Rubber mat is provided between mouthful.
Further, the elution pipe and/or the collecting pipe are hose.
The peristaltic pump of contaminated soil experimental device for washing provided by the utility model can quantitatively control leacheate flow, from
And during washed off soil, elution time, leacheate usage amount and the lessivation effect of generation can be recorded, and be drenched
Multiple sample taps on column are washed, it being capable of sample detection at any time, accurate Non-leaching liquid usage amount and soil treatment effect.
The elution time generated in the research process of prior art development Soil leaching technology and leacheate usage amount are solved,
Lessivation effect is not easy the problem of recording.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of contaminated soil experimental device for washing provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the elution column of contaminated soil experimental device for washing shown in FIG. 1；
Fig. 3 is the partial structural diagram of elution column shown in Fig. 2；
Fig. 4 is another structural schematic diagram of contaminated soil experimental device for washing provided by the embodiment of the utility model.
Icon: 100- elutes column；200- cover board；300- spray head；400- pedestal；500- elution pipe；600- is compacted
Dynamic pump；700- leacheate reservoir；800- filter plate；900- sample tap；110- sealing cover；120- collecting pipe；130- filter
Liquor collecting device；140- bolt；150- leakage fluid dram.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As Figure 1-Figure 4, a kind of contaminated soil experimental device for washing provided by the utility model, including elution column
100, it is provided with opening on the elution column 100, the opening is provided with cover board 200,
The spray head 300 for washed off soil is provided in the elution column 100, the spray head 300 is managed with elution
500 connections, and the elution pipe 500 passes through cover board 200 and connect with elution liquid supplying device；
The cavity for accommodating soil is provided in the elution column 100, in 100 lower end of elution column filled with filter
Material, is provided with filter plate 800, the soil is located on the filter plate 800 on filtrate；
Leakage fluid dram 150 is provided on the elution column 100, leacheate is discharged after filter material from leakage fluid dram 150.
In some embodiments, elution liquid supplying device flows into spray by elution pipe 500 for providing leacheate, leacheate
It drenches in head 300, spray head 300 sprays leacheate to soil, to realize elution contaminated soil.
Soil is located on filter plate 800, filtering of the leacheate oozed out from soil through filter plate 800 and filtrate, from elution
The leakage fluid dram 150 of column 100 is discharged.
Based on the above embodiment on basis, further, the elution liquid supplying device includes leacheate reservoir 700
With peristaltic pump 600；Described 500 one end of elution pipe is protruded into the leacheate reservoir 700, by peristaltic pump 600 and the spray
Head 300 is drenched to connect.
Based on the above embodiment on basis, further, at least one sample tap is provided on the elution column 100
900, sealing cover 110 is provided on the sample tap 900.
In some embodiments, it elutes on column 100 and is provided with sample tap 900, this 900 horizontal position of sample tap is higher than filter plate
800, sample tap 900 at any time sample detection elute effect, so as to be better understood by washed off soil process pollutant variation,
This general rubber plug of sealing cover 110.
As shown in Fig. 2, further, there are three take for setting on the elution column 100 based on the above embodiment on basis
Sample mouth 900, length direction setting of three sample taps 900 along the elution column 100.
The material of elution column 100 and sample tap 900 is generally organic glass.
Elution column 100 on be arranged three sample taps 900, can the elution effect to soil different location detect,
To preferably record the experimental data during washed off soil.
As shown in figure 4, further include Filtrate collection device 130 further based on the above embodiment on basis, it is described
Filtrate collection device 130 is connect by collecting pipe 120 with the leakage fluid dram 150.
Filtrate collection device 130 is used to collect the waste liquid being discharged in elution column 100, and a large amount of pollutant in soil is drenching
It during washing, is washed away from soil, a large amount of pollutants remain in waste liquid, need to carry out appropriate processing, avoid secondary dirt
Dye.
As shown in figure 3, further, the longitudinal section of elution 100 bottom of column is based on the above embodiment on basis
It is U-shaped；The leakage fluid dram 150 is located at the centre of elution 100 bottom of column.
It is preferably discharged to enable to elute the leacheate in column 100, the longitudinal section of elution 100 bottom of column is U-shaped；This
What sample leacheate can be concentrated is flowed into the bottom of elution column 100, is discharged from leakage fluid dram 150, reduces the residual of waste liquid.
Based on the above embodiment on basis, further, 100 lower end of elution column is provided with pedestal 400, the bottom
Seat 400 is for adjusting the height of elution column 100.
There is pedestal 400 in elution 100 lower end of column, pedestal 400 freely can be increased or be reduced, and elution column 100 is located at
On pedestal 400, so as to adjust the height of elution column 100.
Pedestal 400 include support plate and support leg, support leg be arranged on the supporting plate, be arranged on the supporting plate it is fluted,
Elution column 100 can be mounted in groove.
Support leg is spirally connected on the supporting plate, by rotating support leg, adjusts the level and height of support plate.
Based on the above embodiment on basis, further, the filtrate is quartz sand, and quartz sand particle size is less than 1mm.
General filtrate is less than the quartz sand of 1mm using partial size, can choose other filtrates.
As shown in Fig. 2, further, the cover board 200 is fixed by bolt 140 based on the above embodiment on basis
Rubber mat is provided on elution column 100, and between the cover board 200 and the opening of the elution column 100.
Cover board 200 is covered the opening eluted on column 100 by bolt 140, and rubber mat is provided in opening.
Based on the above embodiment on basis, further, the elution pipe 500 and/or the collecting pipe 120 are soft
Pipe.
In some embodiments, it elutes pipe 500 and collecting pipe 120 is hose, collecting pipe 120 will elute the row of column 100
The waste liquid that liquid mouth 150 is discharged is transported to Filtrate collection device 130, realizes the collection of waste liquid, is conducive to the centralized processing of waste liquid,
The peristaltic pump 600 of contaminated soil experimental device for washing provided by the utility model can quantitatively control leacheate stream
Amount, so that elution time, leacheate usage amount and the lessivation effect of generation can be remembered during washed off soil
Record, and elute multiple sample taps 900 on column 100, can sample detection at any time, at accurate Non-leaching liquid usage amount and soil
Manage effect.
The elution time generated in the research process of prior art development Soil leaching technology and leacheate usage amount are solved,
Lessivation effect is not easy the problem of recording.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of contaminated soil experimental device for washing, which is characterized in that including eluting column, be provided with out on the elution column
Mouthful, the opening is provided with cover board,
The spray head for washed off soil is provided in the elution column, the spray head is connect with elution pipe, and the leaching
It washes pipe and is connect across cover board with elution liquid supplying device；
It is provided with the cavity for accommodating soil in the elution column, filtrate is filled in the elution column lower end, on filtrate
It is provided with filter plate, the soil is located on the filter plate；
Leakage fluid dram is provided on the elution column, leacheate is discharged after filter material from leakage fluid dram.
2. contaminated soil experimental device for washing according to claim 1, which is characterized in that the elution liquid supplying device packet
Include leacheate reservoir and peristaltic pump；Described elution pipe one end is protruded into the leacheate reservoir, by peristaltic pump with it is described
Spray head connection.
3. contaminated soil experimental device for washing according to claim 2, which is characterized in that be provided on the elution column to
A few sample tap, is provided with sealing cover on the sample tap.
4. contaminated soil experimental device for washing according to claim 3, which is characterized in that be provided with three on the elution column
A sample tap, length direction setting of three sample taps along the elution column.
5. contaminated soil experimental device for washing according to claim 1, which is characterized in that it further include Filtrate collection device,
The Filtrate collection device is connect by collecting pipe with the leakage fluid dram.
6. contaminated soil experimental device for washing according to claim 1, which is characterized in that the vertical of elution column bottom cuts
Face is U-shaped；The leakage fluid dram is located at the centre of the elution column bottom.
7. contaminated soil experimental device for washing according to claim 1, which is characterized in that the elution column lower end is provided with
Pedestal, the pedestal are used to adjust the height of elution column.
8. contaminated soil experimental device for washing according to claim 1, which is characterized in that the filtrate is quartz sand, and
Quartz sand particle size is less than 1mm.
9. contaminated soil experimental device for washing according to claim 1, which is characterized in that the cover board is bolted
Rubber mat is provided on elution column, and between the cover board and the opening of the elution column.
10. contaminated soil experimental device for washing according to claim 5, which is characterized in that elution pipe and/or described
Collecting pipe is hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822118984.XU CN209272121U (en) | 2018-12-17 | 2018-12-17 | Contaminated soil experimental device for washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822118984.XU CN209272121U (en) | 2018-12-17 | 2018-12-17 | Contaminated soil experimental device for washing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209272121U true CN209272121U (en) | 2019-08-20 |
Family
ID=67611790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822118984.XU Active CN209272121U (en) | 2018-12-17 | 2018-12-17 | Contaminated soil experimental device for washing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209272121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542605A (en) * | 2019-09-11 | 2019-12-06 | 中国农业大学 | A device and method for evaluating fertilizer nutrient release and leaching |
| CN112255348A (en) * | 2020-09-29 | 2021-01-22 | 江西志科检测技术有限公司 | Pretreatment method for detecting content of dioxin in soil |
-
2018
- 2018-12-17 CN CN201822118984.XU patent/CN209272121U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542605A (en) * | 2019-09-11 | 2019-12-06 | 中国农业大学 | A device and method for evaluating fertilizer nutrient release and leaching |
| CN112255348A (en) * | 2020-09-29 | 2021-01-22 | 江西志科检测技术有限公司 | Pretreatment method for detecting content of dioxin in soil |
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