CN211191402U - Closed soil electric remediation experimental tank with adjustable volume - Google Patents
Closed soil electric remediation experimental tank with adjustable volume Download PDFInfo
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- CN211191402U CN211191402U CN201921410682.8U CN201921410682U CN211191402U CN 211191402 U CN211191402 U CN 211191402U CN 201921410682 U CN201921410682 U CN 201921410682U CN 211191402 U CN211191402 U CN 211191402U
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Abstract
The utility model relates to a closed soil electrokinetic remediation experimental tank with adjustable volume, which comprises a soil chamber, an anode chamber and a cathode chamber; the soil chamber comprises a plurality of small soil chambers, and two ends of each small soil chamber are provided with connecting flanges and connected through bolts; a rubber pad, an anode grid plate, a cation exchange membrane, an anode grid plate and a rubber pad are sequentially arranged between a connecting flange of the anode chamber and a connecting flange of the soil chamber, a rubber pad, a cathode grid plate, an anion exchange membrane, a cathode grid plate and a rubber pad are sequentially arranged between a connecting flange of the cathode chamber and a connecting flange of the soil chamber, and a plurality of grid holes penetrate through the anode grid plate and the cathode grid plate; the top of the anode chamber is provided with an anode chamber top cover, the top of the cathode chamber is provided with a cathode chamber top cover, the soil chamber is provided with a soil chamber top cover, and a plurality of sampling holes are arranged on the soil chamber top cover at intervals. The utility model discloses can change the volume of soil chamber, the suitability is higher, and the location of sampling position is more accurate, the smooth of guarantee electronic restoration experiment goes on.
Description
Technical Field
The utility model relates to a soil prosthetic devices's technical field especially relates to a closed soil electrokinetic remediation experimental tank of adjustable volume.
Background
Soil is a basic resource which is relied on by human beings for survival, nationality and civilization construction. With the development of industry and agriculture, the problem of heavy metal pollution of soil is prominent day by day, and the heavy metal pollution becomes the main soil environmental pollution problem in China. Heavy metals cannot be degraded chemically or biologically, and can be accumulated through biological chain enrichment, and excessive heavy metal intake can cause serious renal tubular injury, lung injury, coronary heart disease, lung cancer, gastric cancer, glioma and brain injury, and can cause psychological and neurological symptoms such as anxiety, sleep disorder and depression, thereby threatening the health of human and environment.
The restoration method capable of removing the heavy metal pollutants in the soil at the present stage mainly comprises soil leaching restoration, phytoremediation, electric restoration and the like. However, in the face of the requirements of the soil heavy metal pollution treatment technology in the new period, the soil heavy metal removal technology taking the electrokinetic remediation technology as the core shows unique advantages. The electric restoration technology is characterized in that inert electrodes are implanted into two ends of polluted soil to form a direct current electric field, various electric effects (electrodialysis, electromigration, electrophoresis, diffusion and the like) generated by the electric field are utilized to drive soil pollutants to directionally migrate along the direction of the electric field and enrich near the electrodes, so that the soil is migrated out, and the purpose of reducing the concentration of the pollutants in the soil is achieved. Compared with other repairing technologies, the electric repairing technology can effectively remove various heavy metal pollutants in soil, can make up for the defect that the soil leaching repairing technology is not suitable for repairing the viscous soil, and has the advantages of low cost, high efficiency, simple operation, convenient post-treatment, less secondary pollution, combined application with various technologies and the like.
At present, the traditional electric restoration experiment tank is adopted, the volume of a soil chamber is not variable, the positioning accuracy of a sampling position is not high, electrolyte in an anode chamber and an anode chamber is seriously evaporated, the soil moisture loss is serious, and the electric restoration experiment is influenced.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a closed soil electric restoration experimental groove with adjustable volume.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a closed soil electrokinetic remediation experimental tank with adjustable volume comprises a soil chamber, an anode chamber positioned on the left side of the soil chamber and a cathode chamber positioned on the right side of the soil chamber;
the soil chamber comprises a plurality of soil cells which are connected in sequence, connecting flanges are arranged at two ends of each soil cell, the connecting flanges of two adjacent soil cells are connected through bolts, and a rubber pad is arranged between the two connecting flanges;
connecting flanges are also arranged at the connecting end of the anode chamber and the soil chamber and the connecting end of the cathode chamber and the soil chamber and are connected with the connecting flanges of the soil chamber through connecting bolts, a rubber gasket, an anode grid plate, a cation exchange membrane, an anode grid plate and a rubber gasket are sequentially arranged between the connecting flange of the anode chamber and the connecting flange of the soil chamber, the rubber gasket, the cathode grid plate, the anion exchange membrane, the cathode grid plate and the rubber gasket are sequentially arranged between the connecting flange of the cathode chamber and the connecting flange of the soil chamber, and a plurality of grid holes penetrate through the anode grid plate and the cathode grid plate;
the anode chamber top is equipped with the anode chamber top cap, it goes out liquid hole, anode chamber pH value survey hole, anode plate and places the hole to be equipped with anolyte feed liquor hole, anolyte on the anode chamber top cap, the cathode chamber top cap is equipped with the cathode chamber top cap, it goes out liquid hole, cathode chamber pH value survey hole, cathode plate and places the hole to be equipped with catholyte feed liquor hole, catholyte on the cathode chamber top cap, be equipped with the soil chamber top cap on the soil chamber top cap at the interval, the soil chamber top cap is gone up the interval and is equipped with a plurality.
And a rubber plug is arranged in the sampling hole.
The anode chamber bottom, cathode chamber bottom and every soil cell bottom all are equipped with a supporting seat.
Particularly, the grid holes on the anode grid plate and the cathode grid plate are rectangular holes.
Particularly, the grid plate holes on the anode grid plate and the cathode grid plate are circular holes.
The utility model has the advantages that: the utility model discloses convenient to use can dismantle the equipment wantonly, can change the volume of soil chamber, and the suitability is higher, and the location of sampling position is more accurate, and negative, anode chamber and soil chamber clearance are convenient, have also reduced the electrolyte evaporation of anode chamber with the cathode chamber simultaneously, have reduced the moisture loss of soil, can be applicable to the electronic prosthetic experimental study of soil, ensure going on smoothly of electronic restoration experiment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing a structure of an anode grid and a cathode grid;
FIG. 3 is a schematic view showing another structure of the anode grid and the cathode grid;
in the figure: 1-a soil chamber; 101-a sampling aperture; 2-an anode chamber; 201-anolyte liquid inlet hole; 202-an anolyte outlet hole; 203-anode chamber pH value measuring hole; 204-anode plate placing hole; 3-a cathode chamber; 301-catholyte inlet hole; 302-catholyte outlet hole; 303-cathode chamber pH measurement wells; 304-cathode plate placement holes; 4-soil chamber; 5-a connecting flange; 6-bolt; 7-rubber pad; 8-anode chamber top cover; 9-top cover of cathode chamber; 10-soil chamber roof; 11-grid holes; 12-a support base;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in figure 1, the enclosed soil electrokinetic remediation experimental tank with adjustable volume comprises a soil chamber 1, an anode chamber 2 positioned at the left side of the soil chamber 1 and a cathode chamber 3 positioned at the right side of the soil chamber 1;
the soil chamber 1 comprises a plurality of soil small chambers 4 which are connected in sequence, two ends of each soil small chamber 4 are provided with connecting flanges 5, the connecting flanges 5 of two adjacent soil small chambers 4 are connected through bolts 6, and a rubber pad 7 is arranged between the two connecting flanges 5;
the connecting end of the anode chamber 2 and the soil chamber 1 and the connecting end of the cathode chamber 3 and the soil chamber 1 are also provided with connecting flanges 5 and are connected with the connecting flanges 5 of the soil chamber 1 through connecting bolts 6, rubber gaskets 7, anode grid plates, cation exchange membranes, anode grid plates and rubber gaskets 7 are sequentially arranged between the connecting flanges 5 of the anode chamber 2 and the connecting flanges 5 of the soil chamber 1, the rubber gaskets 7, cathode grid plates, anion exchange membranes, cathode grid plates and rubber gaskets 7 are sequentially arranged between the connecting flanges 5 of the cathode chamber 3 and the connecting flanges 5 of the soil chamber 1, and a plurality of grid plate holes 11 penetrate through the anode grid plates and the cathode grid plates;
And a rubber plug is arranged in the sampling hole 101.
The bottom of the anode chamber 2, the bottom of the cathode chamber 3 and the bottom of each soil chamber 4 are provided with a support seat 12.
The shapes of the grid holes 11 on the cathode grid plate and the anode grid plate can be designed in a diversified way. The anode grid plate and the rubber pad 7 on two sides of the cation exchange membrane and the cathode grid plate and the rubber pad 7 on two sides of the anion exchange membrane play roles of protecting and supporting and preventing liquid leakage.
As shown in fig. 2, the grid holes 11 of the anode grid and the cathode grid are rectangular holes.
As shown in fig. 3, the grid holes 11 of the anode grid and the cathode grid are circular holes.
The working principle of the utility model is as follows:
adopt the electronic restoration experimental groove of soil of above-mentioned structure, can put into soil room 1 with the contaminated soil of certain weight, cover soil room top cap 10, seal sampling hole 101 with the rubber buffer. Filling a certain volume of anolyte into the anode chamber 2, filling a certain volume of catholyte into the cathode chamber 3, and respectively covering the anode chamber top cover 8 and the cathode chamber top cover 9 on the anode chamber 2 and the cathode chamber 3; inserting an anolyte inlet pipe into anolyte inlet hole 201 and inserting an anolyte outlet pipe into anolyte outlet hole 202; inserting a catholyte inlet pipe into the catholyte inlet hole 301 and inserting a catholyte outlet pipe into the catholyte outlet hole 302; inserting the probes of the pH meter into the anode chamber 2 and the cathode chamber 3 through the pH value measuring hole 203 of the anode chamber and the pH value measuring hole 303 of the cathode chamber respectively; the anode plate and the cathode plate are respectively placed in the anode chamber 2 and the cathode chamber 3 through the anode plate placing hole 204 and the cathode plate placing hole 304, and an external power supply is connected after the proper positions are adjusted, so that the soil electrokinetic remediation experiment is carried out.
In the process of carrying out the electric repair experiment, anolyte can be continuously pumped in and out through the anolyte liquid inlet pipe and the anolyte liquid outlet pipe; by continuously pumping in and out catholyte through the catholyte liquid inlet pipe and the catholyte liquid outlet pipe, the change of the pH of the anolyte and the catholyte can be read in real time through a pH meter. When a soil sample is collected, opening a rubber plug sealed in a sampling hole 101 of a top cover 10 of the soil chamber for sampling, and sealing the sampling hole with the rubber plug after the collection is finished; when the anolyte and catholyte are sampled, the pH meter probe is taken out and the samples are taken by syringes from the anode chamber pH measurement hole 203 and the cathode chamber pH measurement hole 303.
After the electric repairing experiment is finished, taking out the pH meter probe from the anode chamber pH value measuring hole 203 and the cathode chamber pH value measuring hole 303; pumping the anolyte out of the anode chamber 2 through the anolyte outlet hole 202; pumping catholyte out of the cathode chamber 3 through a catholyte liquid outlet hole 302, removing the anode chamber top cover 8, the cathode chamber top cover 9 and the soil chamber top cover 10, taking soil out of the soil chamber 1, unscrewing the anode chamber 2 and the soil chamber 1, unscrewing the connecting bolts 6 on the connecting flanges 5 of the cathode chamber 3 and the soil chamber 1, unscrewing the connecting bolts 6 on the connecting flanges 5 between the soil small chambers 4 forming the soil chamber 1, completing the disassembly of the whole experimental tank, and finally taking out the cation exchange membrane and the anion exchange membrane from the anode grid plate and the cathode grid plate respectively and cleaning the anode grid plate and the cathode grid plate.
The utility model discloses convenient to use can dismantle the equipment wantonly, can change soil chamber 1's volume, and the suitability is higher, and the location of sampling position is more accurate, and anode chamber 2, cathode chamber 3 and soil chamber 1 clearance are convenient, have also reduced the electrolyte evaporation of anode chamber 2 with cathode chamber 3 simultaneously, have reduced the moisture loss of soil, can be applicable to the electronic prosthetic experimental study of soil, ensure going on smoothly of electronic restoration experiment.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (5)
1. A closed soil electrokinetic remediation experimental tank with adjustable volume is characterized by comprising a soil chamber (1), an anode chamber (2) positioned on the left side of the soil chamber (1) and a cathode chamber (3) positioned on the right side of the soil chamber (1);
the soil chamber (1) comprises a plurality of soil small chambers (4) which are connected in sequence, connecting flanges (5) are arranged at two ends of each soil small chamber (4), the connecting flanges (5) of two adjacent soil small chambers (4) are connected through bolts (6), and a rubber pad (7) is arranged between the two connecting flanges (5);
the anode chamber (2) is also provided with a connecting flange (5) at the connecting end of the soil chamber (1) and the connecting end of the cathode chamber (3) and the soil chamber (1) and is connected with the connecting flange (5) of the soil chamber (1) through a connecting bolt (6), a rubber gasket (7), an anode grid plate, a cation exchange membrane, an anode grid plate and a rubber gasket (7) are sequentially arranged between the connecting flange (5) of the anode chamber (2) and the connecting flange (5) of the soil chamber (1), a rubber gasket (7), a cathode grid plate, an anion exchange membrane, a cathode grid plate and a rubber gasket (7) are sequentially arranged between the connecting flange (5) of the cathode chamber (3) and the connecting flange (5) of the soil chamber (1), and a plurality of grid holes (11) penetrate through the anode grid plate and the cathode grid plate;
anode chamber (2) top is equipped with anode chamber top cap (8), it places hole (204) to be equipped with anolyte feed liquor hole (201), anolyte play liquid hole (202), anode chamber pH value survey hole (203), anode plate on anode chamber top cap (8), cathode chamber (3) top is equipped with cathode chamber top cap (9), be equipped with catholyte feed liquor hole (301), catholyte play liquid hole (302), cathode chamber pH value survey hole (303), cathode plate on cathode chamber top cap (9) and place hole (304), be equipped with soil chamber top cap (10) on soil chamber (1), the interval is equipped with a plurality of sampling holes (101) on soil chamber top cap (10).
2. The closed soil electrokinetic remediation experimental tank of claim 1, wherein a rubber plug is installed in the sampling hole (101).
3. A closed electrokinetic soil remediation experimental tank of claim 2 wherein the bottom of the anode chamber (2), the bottom of the cathode chamber (3) and the bottom of each soil cell (4) is provided with a support base (12).
4. The experimental tank for closed soil electrokinetic remediation of claim 3, wherein the holes (11) in the anode grid and the cathode grid are circular holes.
5. The experimental tank for closed soil electrokinetic remediation of claim 3, wherein the holes (11) in the anode grid and the cathode grid are rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410682.8U CN211191402U (en) | 2019-08-28 | 2019-08-28 | Closed soil electric remediation experimental tank with adjustable volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410682.8U CN211191402U (en) | 2019-08-28 | 2019-08-28 | Closed soil electric remediation experimental tank with adjustable volume |
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| Publication Number | Publication Date |
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| CN211191402U true CN211191402U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921410682.8U Active CN211191402U (en) | 2019-08-28 | 2019-08-28 | Closed soil electric remediation experimental tank with adjustable volume |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434168A (en) * | 2019-08-28 | 2019-11-12 | 枣庄学院 | A kind of closed soil electro reclamation experimental tank of volume adjustable |
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2019
- 2019-08-28 CN CN201921410682.8U patent/CN211191402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434168A (en) * | 2019-08-28 | 2019-11-12 | 枣庄学院 | A kind of closed soil electro reclamation experimental tank of volume adjustable |
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