CN212652393U - Heavy metal soil treatment device - Google Patents
Heavy metal soil treatment device Download PDFInfo
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- CN212652393U CN212652393U CN202021059585.1U CN202021059585U CN212652393U CN 212652393 U CN212652393 U CN 212652393U CN 202021059585 U CN202021059585 U CN 202021059585U CN 212652393 U CN212652393 U CN 212652393U
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Abstract
The utility model discloses a heavy metal soil treatment device, which comprises a device body, wherein the upper end of the device body is provided with a heavy metal soil inlet, the lower end of the device body is provided with a soil outlet, and the device body is sequentially divided into a crushing chamber, a filtering chamber and a heavy metal treatment chamber from the heavy metal soil inlet to the soil outlet; a plurality of crushing devices which are parallel to each other are rotationally arranged in the crushing chamber; a first filter plate bearing port and a second filter plate bearing port are respectively formed in two sides of the filter chamber, and a filter plate is inserted between the first filter plate bearing port and the second filter plate bearing port; the soil outlet is located the lower extreme middle part of heavy metal treatment chamber, and the rotation is provided with agitating unit in the heavy metal treatment chamber, and the both sides of heavy metal treatment chamber are provided with anode electrode and cathode electrode respectively, and the inside wall cladding of anode electrode and cathode electrode has the graphite alkene film. The utility model discloses it is high to the treatment effeciency of heavy metal soil, can thoroughly discharge no heavy metal soil, and the absorbed heavy metal can be collected and recycled.
Description
Technical Field
The utility model relates to a heavy metal soil handles technical field, concretely relates to heavy metal soil processing apparatus.
Background
At present, the cultivated land area polluted by heavy metals such as cadmium, arsenic, chromium, lead and the like in China is nearly 2000 hectares, more and more land is polluted by the heavy metals along with the acceleration of the process of urbanization and industrialization, the strategic layout of the city is readjusted, and a large amount of heavy metal remaining sites are in urgent need of treatment. Soil heavy metal pollution has disguise, hysteresis quality and long-term nature, and heavy metal gets into the plant through the root system effect, inhibits the growth of plant and piles up in the plant body, and the human beings lead to heavy metal to get into the human health harm through eating the plant, and the heavy metal pollutant also can migrate and expose and destroy ecological environment in groundwater and the atmosphere simultaneously, and the contaminated land must be through restoration processing side and can be exploited and utilized again.
At present, the heavy metal contaminated soil treatment method mainly comprises the following steps: 1) physical methods, including dumping, changing soil, removing surface soil, removing soil, deep ploughing and turning soil, and electric power methods; 2) chemical methods, including precipitation, adsorption, chemical leaching and the like; 3) biological method, which uses some animals, plants and microorganisms to absorb, accumulate, degrade and transform pollutants; 4) the electric repairing method has the repairing principle that electrodes are inserted into polluted soil area, weak direct current is applied to form electric field, and various electric effects such as electroosmosis, electromigration and electrophoresis generated by the electric field are utilized.
Although the methods have certain improvement effect on the treatment of the heavy metal pollution of the soil, the methods also have great limitation. The physical method has higher investment cost and is easy to damage the soil structure; the chemical method is easy to introduce secondary pollution, and the soil fertility is reduced; although the plant restoration technology is advocated by people with the advantages of low cost, no damage to soil structure, no secondary pollution and the like, most plants of the super-accumulative plants discovered at present are short, slow in growth and small in biomass, and are difficult to apply in actual production; in the electrokinetic remediation method, heavy metals generated by electrolytic reaction adhere to the electrodes and require periodic cleaning or replacement of the electrodes, resulting in an increase in treatment cost.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a heavy metal soil processing apparatus.
The technical scheme of the utility model as follows:
a heavy metal soil treatment device comprises a device body, wherein a heavy metal soil inlet is formed in the upper end of the device body, a soil outlet is formed in the lower end of the device body, and the device body is sequentially divided into a crushing chamber, a filtering chamber and a heavy metal treatment chamber from the heavy metal soil inlet to the soil outlet;
the heavy metal soil inlet is arranged at the upper end of the crushing chamber, a plurality of crushing devices which are parallel to each other are arranged in the crushing chamber in a rotating mode, a gap is formed between every two adjacent crushing devices, each crushing device comprises a first rotating rod and a plurality of crushing rods which are uniformly distributed on the peripheral side of the first rotating rod, a plurality of rotating slotted holes for the installation of the crushing devices are formed in the two sides of the crushing chamber, the first rotating rod penetrates through the rotating slotted holes, one end of the first rotating rod extends outwards, and a driving mechanism for driving the plurality of crushing devices to synchronously operate is arranged on one side of the crushing chamber;
the filter chamber is communicated with the crushing chamber, a filter outlet is formed in the lower end of the filter chamber, a first filter plate bearing port and a second filter plate bearing port are formed in two sides of the filter chamber respectively, a filter plate is inserted between the first filter plate bearing port and the second filter plate bearing port, and a handle is arranged at one end of the filter plate;
the upper end of heavy metal treatment chamber with filter the export intercommunication, the soil export is located the lower extreme middle part of heavy metal treatment chamber, it is provided with agitating unit to rotate in the heavy metal treatment chamber, the both sides of heavy metal treatment chamber are provided with anode electrode and cathode electrode respectively, the inside wall cladding of anode electrode and cathode electrode has the graphite alkene film.
Further, the outer side walls of the anode electrode and the cathode electrode are provided with vibrators, the bottom of the graphene film is provided with a heavy metal outlet, and a valve is arranged at the heavy metal outlet.
Furthermore, the anode electrode and the cathode electrode are connected with a direct current power supply through leads, the direct current power supply is connected with a current controller, and an ammeter is arranged on the current controller.
Furthermore, the filtering chamber is in a right trapezoid shape, and one side of the filtering outlet is an inclined plane.
Furthermore, actuating mechanism includes first driving motor, drive belt and a plurality of transmission pivot, a plurality of transmission pivot cover is established the end that stretches out of first pivot pole, and pass through the drive belt transmission is connected, the drive belt with first driving motor's motor shaft is connected.
Further, agitating unit includes that second dwang and upper and lower equipartition are in the puddler of second dwang week side, heavy metal treatment chamber's top central authorities are provided with second driving motor, second driving motor's motor shaft with the second dwang is connected.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. firstly, larger soil is smashed through the smashing device, the smashed soil is filtered through the filter plate, the soil meeting the standard is scattered after being filtered through the filter plate, the soil with larger particles can be smashed through the smashing device under the isolation of the filter plate and then scattered after meeting the specification, and therefore the soil polluted by heavy metal can be fully smashed so as to facilitate the subsequent work;
2. a stirring device is arranged in the heavy metal treatment chamber, and is used for stirring the smashed polluted soil, so that the electrode can absorb heavy metal ions;
3. the graphene film is coated outside the electrode, on one hand, because the graphene film is of a honeycomb structure, heavy metal ions become heavy metal after obtaining electrons and are adhered to the inside of the honeycomb of the graphene film, and the heavy metal ions are not easy to fall into soil, so that secondary extraction of the heavy metal and replacement of the electrode are avoided; on the other hand, the honeycomb structure of the graphene can provide a good channel for charge transfer, so that the electrolytic reaction can be rapidly carried out, and the treatment time of the soil is saved;
4. a current controller is connected to a direct current power supply connected with the anode electrode and the cathode electrode, and an ammeter is arranged on the current controller, so that the current can be accurately controlled according to the logarithm of the ammeter, the moderate current is ensured, and the waste of electric power is avoided;
5. after the soil in the heavy metal treatment chamber was discharged light, can shake off the heavy metal on the graphite alkene film and discharge through the heavy metal export through the vibrator to collect the heavy metal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a heavy metal soil treatment device provided by the present invention;
FIG. 2 is a schematic structural view of the crushing chamber of the present invention;
fig. 3 is a schematic structural view of the filter plate according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
Examples
Referring to fig. 1, the utility model provides a heavy metal soil treatment device, including device body 1, the upper end of device body 1 is equipped with heavy metal soil import 11, and the lower extreme of device body 1 is equipped with soil outlet 12, falls into crushing room 13, filter chamber 14 and heavy metal treatment room 15 from heavy metal soil import 11 to soil outlet 12 in proper order in the device body 1.
As shown in fig. 2, each crushing device comprises a first rotating rod 21 and a plurality of crushing rods 22 uniformly distributed on the periphery of the first rotating rod 21, a plurality of rotating slotted holes for mounting the crushing devices are formed in two sides of the crushing chamber 13, the first rotating rod 21 is arranged in the rotating slotted holes in a penetrating manner, one end of the first rotating rod 21 extends outwards, and a driving mechanism for driving the plurality of crushing devices to synchronously operate is arranged on one side of the crushing chamber 13; the driving mechanism comprises a first driving motor 31, a transmission belt 32 and a plurality of transmission rotating shafts 33, the extension ends of the first rotating rods 21 are sleeved with the transmission rotating shafts 33 and are in transmission connection through the transmission belt 32, and the transmission belt 32 is connected with a motor shaft of the first driving motor 31. When the crushing device is started, the first driving motor 31 is started, and the plurality of crushing devices are driven to synchronously run through the transmission belt 32 and the plurality of transmission rotating shafts 33. The crushing chamber 13 is used for crushing larger soil for subsequent work.
The filter chamber 14 is communicated with the crushing chamber 13, the lower end of the filter chamber 14 is provided with a filter outlet 141, the two sides of the filter chamber 14 are respectively provided with a first filter plate bearing port and a second filter plate bearing port, the first filter plate bearing port and the second filter plate bearing port are inserted with a filter plate 4, one end of the filter plate 4 is provided with a handle 41, as shown in fig. 3, the structure of the filter plate 4 is schematic. Soil after smashing can be through the filtration of this filter 4 after will accord with the standard soil unrestrained, and the great soil of granule can smash through smashing the device under the isolation of filter 4 and carry out unrestrained after according with the regulation to can make smashing that the soil that receives heavy metal pollution can be abundant. The filter plate 4 can be pulled out and replaced by filter plates with filter holes of different sizes. In this embodiment, the filtering chamber 14 has a right trapezoid shape, and one side of the filtering outlet 141 is a slope to facilitate the soil to flow into the heavy metal treatment chamber 15.
Heavy metal treatment chamber 15's upper end and filtration export 141 intercommunication, soil outlet 12 is located heavy metal treatment chamber 15's lower extreme middle part, heavy metal treatment chamber 15 internal rotation is provided with agitating unit, this agitating unit includes second dwang 51 and upper and lower equipartition at the puddler 52 of second dwang 51 week side, heavy metal treatment chamber 15's top central authorities are provided with second driving motor 53, second driving motor 53's motor shaft and second dwang 51 are connected, agitating unit passes through second driving motor 53 and drives the stirring. The two sides of the heavy metal processing chamber 15 are respectively provided with an anode electrode 6 and a cathode electrode 7, the anode electrode 6 and the cathode electrode 7 have an adsorption function on metals after being electrified, so that the heavy metals in the soil are absorbed, the smashed polluted soil is stirred by a stirring device, the electrodes are helped to absorb heavy metal ions, the anode electrode 6 and the cathode electrode 7 are connected with a direct current power supply 8 through leads, the direct current power supply 8 is connected with a current controller 81, the current controller 81 is provided with an ammeter 82, the current can be accurately controlled according to the logarithm of the ammeter 82, the moderate current is ensured, the power waste is avoided, the inner side walls of the anode electrode 6 and the cathode electrode 7 are coated with graphene films 9, the heavy metals in the soil can not directly contact with the electrodes, but are adsorbed on the graphene films 9 on the surfaces, because the graphene film 9 is of a honeycomb structure, heavy metal ions become heavy metals after getting electrons and are adhered to the inside of the honeycomb of the graphene film and are not easy to fall into the soil, so that secondary extraction of the heavy metals and replacement of electrodes are avoided. And the honeycomb structure of the graphene can provide a good channel for charge transfer, so that the electrolytic reaction can be rapidly carried out, and the treatment time of the soil is saved.
The treated heavy metal-free soil is discharged from the soil outlet 12.
Since the graphene film can adsorb a large amount of heavy metals, how to clean the graphene film is required. In the embodiment, the vibrators 10 are arranged on the outer side walls of the anode electrode 6 and the cathode electrode 7, the heavy metal outlet 16 is arranged at the bottom of the graphene film 9, and the valve 161 is arranged at the heavy metal outlet 16. After the soil in the heavy metal treatment chamber is exhausted, the heavy metal on the graphene film 9 is shaken off by the vibrator 10 and is discharged through the heavy metal outlet 16, so that the heavy metal is collected, and the heavy metal outlet 16 is opened through the valve 161.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a heavy metal soil processing apparatus, includes the device body, the upper end of device body is equipped with heavy metal soil import, the lower extreme of device body is equipped with soil outlet, its characterized in that: the device body is divided into a crushing chamber, a filtering chamber and a heavy metal treatment chamber from the heavy metal soil inlet to the soil outlet in sequence;
the heavy metal soil inlet is arranged at the upper end of the crushing chamber, a plurality of crushing devices which are parallel to each other are arranged in the crushing chamber in a rotating mode, a gap is formed between every two adjacent crushing devices, each crushing device comprises a first rotating rod and a plurality of crushing rods which are uniformly distributed on the peripheral side of the first rotating rod, a plurality of rotating slotted holes for the installation of the crushing devices are formed in the two sides of the crushing chamber, the first rotating rod penetrates through the rotating slotted holes, one end of the first rotating rod extends outwards, and a driving mechanism for driving the plurality of crushing devices to synchronously operate is arranged on one side of the crushing chamber;
the filter chamber is communicated with the crushing chamber, a filter outlet is formed in the lower end of the filter chamber, a first filter plate bearing port and a second filter plate bearing port are formed in two sides of the filter chamber respectively, a filter plate is inserted between the first filter plate bearing port and the second filter plate bearing port, and a handle is arranged at one end of the filter plate;
the upper end of heavy metal treatment chamber with filter the export intercommunication, the soil export is located the lower extreme middle part of heavy metal treatment chamber, it is provided with agitating unit to rotate in the heavy metal treatment chamber, the both sides of heavy metal treatment chamber are provided with anode electrode and cathode electrode respectively, the inside wall cladding of anode electrode and cathode electrode has the graphite alkene film.
2. The heavy metal soil treatment device according to claim 1, wherein: the outer side walls of the anode electrode and the cathode electrode are provided with vibrators, the bottom of the graphene film is provided with a heavy metal outlet, and a valve is arranged at the heavy metal outlet.
3. The heavy metal soil treatment device according to claim 1, wherein: the anode electrode and the cathode electrode are connected with a direct current power supply through leads, the direct current power supply is connected with a current controller, and an ammeter is arranged on the current controller.
4. The heavy metal soil treatment device according to claim 1, wherein: the filter chamber is in a right trapezoid shape, and one side of the filter outlet is an inclined plane.
5. The heavy metal soil treatment device according to claim 1, wherein: the driving mechanism comprises a first driving motor, a transmission belt and a plurality of transmission rotating shafts, the extension ends of the first rotating rods are sleeved with the plurality of transmission rotating shafts, the transmission belt is in transmission connection, and the transmission belt is connected with a motor shaft of the first driving motor.
6. The heavy metal soil treatment device according to claim 1, wherein: agitating unit includes the second dwang and upper and lower equipartition is in the puddler of second dwang week side, heavy metal treatment chamber's top central authorities are provided with second driving motor, second driving motor's motor shaft with the second dwang is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059585.1U CN212652393U (en) | 2020-06-10 | 2020-06-10 | Heavy metal soil treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059585.1U CN212652393U (en) | 2020-06-10 | 2020-06-10 | Heavy metal soil treatment device |
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| CN212652393U true CN212652393U (en) | 2021-03-05 |
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| CN202021059585.1U Active CN212652393U (en) | 2020-06-10 | 2020-06-10 | Heavy metal soil treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109120A (en) * | 2021-04-08 | 2021-07-13 | 赵生林 | Metal ion extraction element of mineral resources investigation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109120A (en) * | 2021-04-08 | 2021-07-13 | 赵生林 | Metal ion extraction element of mineral resources investigation |
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