Electric power contaminated soil remediation equipment

Abstract

The utility model discloses electric power contaminated soil remediation equipment, and relates to the field of soil remediation. The electrodynamic force contaminated soil remediation equipment comprises a soil box and an electrode chamber, the electrode chamber comprises a cathode chamber and an anode chamber, the cathode chamber and the anode chamber are located on the two sides of the soil box respectively, electrode insertion holes are formed in the cathode chamber and the anode chamber, graphite electrodes are inserted into the electrode insertion holes, the graphite electrodes are connected with limiting blocks, and the limiting blocks are connected with the soil box. And exchange holes are formed in the inner sides of the cathode chamber and the anode chamber and communicate with the interior of the soil box. The direct-current power supply and the electrode chamber are arranged, the graphite electrode with low direct current is inserted into the polluted soil, heavy metal ions in the soil are enriched towards the electrode under the action of an electric field, and the heavy metal ions can be collected and treated in a centralized mode. Under the action of an electric field, heavy metal ions are rapidly migrated and enriched towards the electrode under the action of electroosmosis and electromigration, and heavy metal pollution can be efficiently and thoroughly treated.

Description

Technical Field

[0001] The utility model relates to the technical field of contaminated soil repair, in particular to an electric powered contaminated soil repair device. Background Art

[0002] Contaminated soil remediation refers to a technical measure that uses physical, chemical, biological, and ecological principles and artificial control measures to reduce the concentration (activity) of soil pollutants, render pollutants harmless and stabilize them, and achieve the desired detoxification effect.

[0003] Existing technologies for remediating heavy metal-contaminated soil are primarily categorized as physical, chemical, and biological. Physical methods cannot completely eliminate heavy metal contamination during the purification process; they can only transfer the contamination and require further treatment. Chemical methods require the selection of appropriate treatment methods and are highly efficient, but also come with high costs and the potential for secondary contamination. Biological methods, however, are inefficient and ineffective in remediating heavy metal contamination in soil, and cannot effectively address the problem. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides an electric power device for remediating contaminated soil, which solves the problem that physical methods cannot completely solve heavy metal pollution and require secondary treatment; solves the problem that chemical methods for heavy metal pollution treatment are also costly and may cause secondary pollution; and solves the problem that biological methods for heavy metal pollution control are low in efficiency and poor in effect.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an electrodynamic remediation device for contaminated soil, comprising a soil box and an electrode chamber, a DC power supply is provided behind the soil box and the electrode chamber, and the DC power supply is electrically connected to the electrode chamber, the electrode chamber comprises a cathode chamber and an anode chamber, the cathode chamber and the anode chamber are respectively located on both sides of the soil box, the cathode chamber and the anode chamber are both provided with electrode insertion holes, the electrode insertion holes are plugged with graphite electrodes, the graphite electrodes are connected to limiting blocks, the cathode chamber and the anode chamber are both provided with exchange holes inside, and the exchange holes are connected to the inside of the soil box.

[0006] Preferably, a cover plate slot is provided on the top of the soil box, a cover plate is provided on the top of the soil box, the cover plate is hinged to the soil box, the cover plate is provided with a handle, the cover plate is provided with a cover plate block, and the cover plate block is clamped with the cover plate slot.

[0007] Preferably, filter paper and rubber pads are provided between the soil box and the cathode chamber and the anode chamber.

[0008] Preferably, the soil box is plugged with a plurality of fixing bolts, the fixing bolts are provided with nuts at the ends, and the soil box is connected with the cathode chamber and the anode chamber through the fixing bolts.

[0009] Preferably, the cathode chamber and the anode chamber are both connected with a communication pipe outside, and the other end of the communication pipe is connected with an electrolyte storage tank.

[0010] Preferably, the direct current power supply is provided with a wire, the wire is connected with the graphite electrode through the limiting block at the end.

[0011] The utility model discloses a kind of electric power remediation contaminated soil equipment, it has beneficial effects as follows: be provided with direct current power supply and electrode chamber, with low direct current graphite electrode is inserted into contaminated soil, heavy metal ions in soil are enriched to electrode under the action of electric field, it can be collected, concentrated treatment.Under the action of electric field, heavy metal ions are quickly migrated and enriched to electrode under the action of electroosmosis and electromigration, can efficiently and completely govern heavy metal pollution.Electrode chamber is connected with electrolyte storage tank, electrolyte not only can collect heavy metal ions enriched on graphite electrode, but also can effectively slow down resistance polarization and concentration polarization phenomenon and improve heavy metal ion removal rate.Rubber pad is provided to guarantee the sealing effect of the connecting place between equipment, filter paper is provided to prevent soil in soil chamber from entering into electrode chamber, electrode chamber is provided with exchange hole to facilitate the migration of heavy metal ions under the action of current. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0013] Figure 1 It is a structural schematic diagram of the present utility model;

[0014] Figure 2 It is a structural schematic diagram of soil box of the present utility model;

[0015] Figure 3 It is a structural schematic diagram of rear of soil box of the present utility model;

[0016] In the figure: 1. Soil box; 11. Cover plate slot; 12. Cover plate; 13. Handle; 14. Cover plate block; 2. Electrode chamber; 21. Cathode chamber; 22. Anode chamber; 23. Electrode insertion hole; 24. Graphite electrode; 241. Limit block; 25. Exchange hole; 3. Electrolyte storage tank; 31. Connecting pipe; 4. Rubber pad; 5. Filter paper; 6. DC power supply; 61. Wire; 7. Fixing bolt; 71. Nut. DETAILED DESCRIPTION

[0017] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] The utility model discloses an electric power device for repairing contaminated soil. Figure 1-3 As shown, it includes a soil box 1 and an electrode chamber 2, a DC power supply 6 is provided behind the soil box 1 and the electrode chamber 2, and the DC power supply 6 is electrically connected to the electrode chamber 2, the electrode chamber 2 includes a cathode chamber 21 and an anode chamber 22, the cathode chamber 21 and the anode chamber 22 are respectively located on both sides of the soil box 1, the cathode chamber 21 and the anode chamber 22 are both provided with an electrode insertion hole 23, the electrode insertion hole 23 is plugged with a graphite electrode 24, the graphite electrode 24 is connected to the limiting block 241, and the inner side of the cathode chamber 21 and the anode chamber 22 are both provided with an exchange hole 25, and the exchange hole 25 is communicated with the inside of the soil box 1.

[0019] Under the action of the electric field, heavy metal ions rapidly migrate and accumulate toward the electrodes through electroosmosis and electromigration, effectively and thoroughly treating heavy metal pollution. An electrolyte storage tank 3 is connected to the electrode chamber 2. The electrolyte can effectively mitigate resistance polarization and concentration polarization and improve the heavy metal ion removal rate.

[0020] Furthermore, a cover plate slot 11 is provided on the top of the soil box 1, a cover plate 12 is provided on the top of the soil box 1, the cover plate 12 is hinged to the soil box 1, the cover plate 12 is provided with a handle 13, the cover plate 12 is provided with a cover plate block 14, and the cover plate block 14 is snapped into the cover plate slot 11.

[0021] Furthermore, filter paper 5 and rubber pad 4 are provided between the soil box 1 and the cathode chamber 21 and the anode chamber 22 .

[0022] A rubber pad 4 is provided to ensure the sealing effect of the connection between the devices, a filter paper 5 is provided to prevent the soil in the soil chamber from entering the electrode chamber 2, and the electrode chamber 2 is provided with an exchange hole 25 to facilitate the migration of heavy metal ions under the action of electric current.

[0023] Specifically disclosed, the soil box 1 is plugged with a plurality of fixing bolts 7 , and nuts 71 are provided at the ends of the fixing bolts 7 . The soil box 1 is connected to the cathode chamber 21 and the anode chamber 22 via the plurality of fixing bolts 7 .

[0024] It is particularly disclosed that the outsides of the cathode chamber 21 and the anode chamber 22 are both connected to a connecting pipe 31 , and the other end of the connecting pipe 31 is connected to the electrolyte storage tank 3 .

[0025] It should be particularly emphasized that the DC power supply 6 is provided with a wire 61 , and the end of the wire 61 passes through the limit block 241 and is connected to the graphite electrode 24 .

[0026] A DC power supply 6 and an electrode chamber 2 are provided. A graphite electrode 24 with low DC power is inserted into the contaminated soil. The heavy metal ions in the soil are enriched toward the electrode under the action of the electric field and can be collected and processed centrally.

[0027] First, open the cover 12 of the soil box 1 and place the contaminated soil to be treated into the soil box 1. Then, replace the cover 12, place the rubber pad 4 and filter paper 5, and ensure that the soil box 1 and the electrode chamber 2 are tightly connected. Then, connect the electrolyte storage tank 3 to the electrode chamber 2, insert the graphite electrode 24 into the electrode chamber 2, and use the wire 61 to connect the graphite electrode 24 to the DC power supply 6. Finally, turn on the DC power supply 6 to generate a current loop. Under the action of the current, the heavy metal ions are rapidly enriched toward the graphite electrode 24 and collected by the electrolyte in the electrolyte storage tank 3.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An electrodynamic remediation device for contaminated soil, comprising a soil box (1) and an electrode chamber (2), wherein a DC power supply (6) is provided behind the soil box (1) and the electrode chamber (2), and the DC power supply (6) is electrically connected to the electrode chamber (2), characterized in that: The electrode chamber (2) comprises a cathode chamber (21) and an anode chamber (22), the cathode chamber (21) and the anode chamber (22) being located on both sides of the soil box (1), the cathode chamber (21) and the anode chamber (22) being provided with an electrode insertion hole (23), a graphite electrode (24) being inserted into the electrode insertion hole (23), the graphite electrode (24) being connected to a limiting block (241), and an exchange hole (25) being provided inside the cathode chamber (21) and the anode chamber (22), the exchange hole (25) being communicated with the interior of the soil box (1).

2. The electric power contaminated soil remediation equipment according to claim 1, characterized in that: The top of the soil box (1) is provided with a cover plate slot (11), the top of the soil box (1) is provided with a cover plate (12), the cover plate (12) is hinged to the soil box (1), the cover plate (12) is provided with a handle (13), the cover plate (12) is provided with a cover plate block (14), and the cover plate block (14) is clamped with the cover plate slot (11).

3. The electric power contaminated soil remediation equipment according to claim 1, characterized in that: Filter paper (5) and a rubber pad (4) are provided between the soil box (1) and the cathode chamber (21) and the anode chamber (22).

4. The electric power contaminated soil remediation equipment according to claim 1, characterized in that: The soil box (1) is plugged with a plurality of fixing bolts (7), and nuts (71) are provided at the ends of the fixing bolts (7). The soil box (1) is connected to the cathode chamber (21) and the anode chamber (22) via the plurality of fixing bolts (7).

5. The electric power contaminated soil remediation equipment according to claim 1, characterized in that: The outsides of the cathode chamber (21) and the anode chamber (22) are both connected to a connecting pipe (31), and the other end of the connecting pipe (31) is connected to an electrolyte storage tank (3).

6. The electric power contaminated soil remediation equipment according to claim 1, characterized in that: The DC power supply (6) is provided with a wire (61), and the end of the wire (61) passes through the limit block (241) and is connected to the graphite electrode (24).

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