CN210907378U - Heavy metal contaminated soil prosthetic devices - Google Patents

Heavy metal contaminated soil prosthetic devices Download PDF

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Publication number
CN210907378U
CN210907378U CN201921191126.6U CN201921191126U CN210907378U CN 210907378 U CN210907378 U CN 210907378U CN 201921191126 U CN201921191126 U CN 201921191126U CN 210907378 U CN210907378 U CN 210907378U
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China
Prior art keywords
box
repairing
heavy metal
motor
soil
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Active
Application number
CN201921191126.6U
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Chinese (zh)
Inventor
李俊
王令祥
李舜斌
陈静
周涛
徐程
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Nanjing University environmental planning and Design Institute Group Co., Ltd
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Academy Of Environmental Planning & Design Co Ltd Nanjing University
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Abstract

The utility model discloses a heavy metal contaminated soil remediation device, which comprises a base, wherein a remediation box is connected above the base; the top end of the interior of the repairing box is connected with a supporting plate, the middle part of the supporting plate is provided with a first motor, the first motor is electrically connected with a power supply, a rotating shaft is connected below the first motor, a plurality of screening disks are connected above the side surface of the rotating shaft, a stirring rod is connected below the rotating shaft, a plurality of through holes are formed in the screening disks, crushing teeth are arranged on the side surface of each screening disk, and crushing grooves matched with the crushing teeth are formed in the inner wall of the repairing box; a cathode electrode and an anode electrode are respectively arranged on two sides of the stirring rod, and both the cathode electrode and the anode electrode are connected with a power supply; the utility model discloses at first smash soil, the soil after smashing is adding water and is mixing the back, adsorbs heavy metal ion through negative electrode and positive electrode, then mixes the medicament in with soil discharge when again to restore through physics and chemistry, improve prosthetic efficiency.

Description

Heavy metal contaminated soil prosthetic devices
Technical Field
The utility model relates to a soil remediation field, more specifically say, relate to a heavy metal contaminated soil prosthetic devices.
Background
The soil inorganic pollutants are relatively outstanding in heavy metal, mainly because the heavy metal cannot be decomposed by soil microorganisms, the heavy metal is easy to accumulate and convert into methyl compounds with higher toxicity, and even some of the heavy metal is accumulated in a human body through a food chain at a harmful concentration, so that the human health is seriously harmed;
soil heavy metal pollutants mainly comprise mercury, cadmium, lead, copper, chromium, arsenic, nickel, iron, manganese, zinc and the like, although arsenic does not belong to heavy metals, the arsenic is generally listed as heavy metals for discussion because the behavior, source and harm of the arsenic are similar to those of heavy metals, and the metal elements can be divided into two types according to the needs of plants: elements which are not needed by the growth and development of plants and have obvious harm to the health of human bodies, such as cadmium, mercury, lead and the like; elements required by normal growth and development of plants have certain physiological functions to human bodies, such as copper, zinc and the like, but too much elements can cause pollution and hinder the growth and development of the plants;
the soil pollution remediation technology is a general technical name which adopts chemical, physical and biological technologies and methods to reduce the concentration of pollutants in soil, fix the soil pollutants, convert the soil pollutants into low-toxicity or non-toxic substances and block the transfer path of the soil pollutants in an ecological system; at present, theoretically feasible repair technologies include several major categories, such as plant repair technologies, microbial repair technologies, chemical repair technologies, physical repair technologies, comprehensive repair technologies and the like;
however, the existing heavy metal contaminated soil has low remediation efficiency because heavy metal pollution sources in the soil may not be removed, and in addition, the soil is difficult to decompose and then be remediated, so that the average content of possible heavy metals in the remediated soil still exceeds the standard.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that the repair efficiency that exists is not high among the prior art, the utility model aims to provide a heavy metal contaminated soil prosthetic devices, it can realize that repair efficiency is high.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The heavy metal contaminated soil remediation device comprises a base, wherein a remediation box is connected above the base;
the inner top end of the repairing box is connected with a supporting plate, the middle part of the supporting plate is provided with a first motor, the first motor is electrically connected with a power supply, a rotating shaft is connected below the first motor, a plurality of screening disks are connected above the side surface of the rotating shaft, a stirring rod is connected below the rotating shaft, a plurality of through holes are formed in the screening disks, crushing teeth are arranged on the side surface of each screening disk, and a crushing groove matched with the crushing teeth is formed in the inner wall of the repairing box;
and both sides of the stirring rod are respectively provided with a cathode electrode and an anode electrode, and the cathode electrode and the anode electrode are both connected with a power supply.
Preferably, gear bars are arranged on two sides of the outer surface of the repair box, the gear bars are meshed with the half-tooth gears, the half-tooth gears are connected through a support rod, the bottom end of the support rod is fixedly connected with the base, the top end of the support rod is provided with a second motor, the second motor is connected with the half-tooth gears, and the second motor is electrically connected with a power supply;
the base is provided with a groove, the repairing box is positioned in the groove, the side surface of the groove is provided with a slide way, the side surface of the bottom of the repairing box is connected with a slide block, and the slide block is positioned in the slide way;
and a spring is connected between the repair box and the groove.
Preferably, the inner walls of two opposite sides of the repairing box below the stirring rod are rotatably connected with sealing plates, the lower surface of one end, away from the inner wall of the repairing box, of each sealing plate is connected with the top end of an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly connected with the inner bottom surface of the repairing box, and the electric telescopic rods are electrically connected with a power supply;
the sealing plate is characterized in that a first water pump is arranged below the sealing plate and electrically connected with a power supply, the first water pump is connected with one end of a first water pipe, and the other end of the first water pipe penetrates through the sealing plate and is positioned below the cathode electrode and the anode electrode.
Preferably, base top be provided with the storage water tank, the inside second water pump that is provided with of storage water tank, second water pump electricity connecting power, the second water pump connect the one end of second water pipe, the other end of second water pipe runs through the top that lies in the puddler behind the restoration case.
Preferably, the lower surface of one end, away from the inner wall of the repair box, of the sealing plate is connected with the top end of the sealing cloth, a cylindrical discharging bin is arranged in the middle of the lower portion of the sealing plate, the upper portion of the discharging bin is open, two ends of the open are connected with the bottom ends of the two sealing cloths respectively, an auger is arranged in the discharging bin, one end of a rotating shaft of the auger extends through the repair box and is connected with a third motor outwards, the third motor is electrically connected with a power supply, and a discharging pipe is connected to the repair box at the other end of the;
the side surface of the outside of the repairing box is fixedly connected with a chemical box, the bottom end of the chemical box is connected with the top end of a chemical tube, the bottom end of the chemical tube penetrates through the discharging tube, and the central axis of the bottom end and the discharging tube are positioned on the same straight line; a soil containing box is arranged below the discharge pipe.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of: the utility model discloses at first smash soil, the soil after smashing is adding water and is mixing the back, adsorbs heavy metal ion through negative electrode and positive electrode, then mixes the medicament in with soil discharge when again to restore through physics and chemistry, improve prosthetic efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
fig. 4 is an enlarged view of the point C in fig. 1 according to the present invention.
The reference numbers in the figures illustrate:
1. a base; 2. repairing the box; 3. a support plate; 4. a first motor; 5. a rotating shaft; 6. screening the disc; 7. a stirring rod; 8. a through hole; 9. crushing teeth; 10. a crushing tank; 11. a cathode electrode; 12. an anode electrode; 13. a gear rack; 14. a half-tooth gear; 15. a support bar; 16. a second motor; 17. a groove; 18. a slideway; 19. a slider; 20. a spring; 21. a sealing plate; 22. an electric telescopic rod; 23. a first water pump; 24. a first water pipe; 25. a water storage tank; 26. a second water pump; 27. a second water pipe; 28. sealing cloth; 29. a discharging bin; 30. a packing auger; 31. a rotating shaft; 32. a third motor; 33. a discharge pipe; 34. a kit; 35. a drug tube; 36. soil box.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
Referring to fig. 1-4, a heavy metal contaminated soil remediation device includes a base 1, and a remediation tank 2 is connected above the base 1.
The top end of the interior of the repairing box 2 is connected with a supporting plate 3, the middle part of the supporting plate 3 is provided with a first motor 4, the first motor 4 is electrically connected with a power supply, a rotating shaft 5 is connected below the first motor 4, a plurality of screening disks 6 are connected above the side surface of the rotating shaft 5, a stirring rod 7 is connected below the rotating shaft, a plurality of through holes 8 are formed in the screening disks 6, crushing teeth 9 are arranged on the side surface of each screening disk 6, and a crushing groove 10 matched with the crushing teeth 9 is formed in the inner wall of the repairing box 2;
the two sides of the stirring rod 7 are respectively provided with a cathode electrode 11 and an anode electrode 12, and the cathode electrode 11 and the anode electrode 12 are both connected with a power supply.
Two sides of the outer surface of the repair box 2 are provided with gear bars 13, the gear bars 13 are meshed with half-tooth gears 14, the half-tooth gears 14 are connected through support rods 15, the bottom ends of the support rods 15 are fixedly connected with the base 1, the top ends of the support rods 15 are provided with second motors 16, the second motors 16 are connected with the half-tooth gears 14, and the second motors 16 are electrically connected with a power supply;
a groove 17 is formed in the base 1, the repairing box 2 is located in the groove 17, a slide way 18 is formed in the side face of the groove 17, a slide block 19 is connected to the side face of the bottom of the repairing box 2, and the slide block 19 is located in the slide way 18;
a spring 20 is connected between the repair box 2 and the recess 17.
The inner walls of two opposite sides of the repairing box 2 below the stirring rod 7 are rotatably connected with sealing plates 21, the lower surface of one end, away from the inner wall of the repairing box 2, of each sealing plate 21 is connected with the top end of an electric telescopic rod 22, the bottom end of the electric telescopic rod 22 is fixedly connected with the inner bottom surface of the repairing box 2, and the electric telescopic rods 22 are electrically connected with a power supply;
a first water pump 23 is arranged below the sealing plate 21, the first water pump 23 is electrically connected with a power supply, the first water pump 23 is connected with one end of a first water pipe 24, and the other end of the first water pipe 24 penetrates through the sealing plate 21 and is positioned below the cathode electrode 11 and the anode electrode 12.
Base 1 top is provided with storage water tank 25, and storage water tank 25 is inside to be provided with second water pump 26, and second water pump 26 electricity power connection, the one end of second water pipe 27 is connected to second water pump 26, and the other end of second water pipe 27 runs through the top that lies in puddler 7 behind the repair case 2.
The lower surface of one end of the sealing plate 21, which is far away from the inner wall of the repairing box 2, is connected with the top end of the sealing cloth 28, the middle part below the sealing plate 21 is provided with a cylindrical discharging bin 29, the upper part of the discharging bin 29 is open, the two open ends of the discharging bin are respectively connected with the bottom ends of the two sealing cloths 28, an auger 30 is arranged in the discharging bin 29, one end of a rotating shaft 31 of the auger 30 penetrates through the repairing box 2 and extends outwards to be connected with a third motor 32, the third motor 32 is electrically connected with a power supply, and the repairing box 2 at the;
the outer side surface of the repair box 2 is fixedly connected with a chemical box 34, the bottom end of the chemical box 34 is connected with the top end of a chemical pipe 35, the bottom end of the chemical pipe 35 penetrates through the discharge pipe 33, and the central axis of the bottom end and the discharge pipe 33 are located on the same straight line; a soil containing box 36 is arranged below the discharge pipe 33.
The working principle is as follows:
the utility model firstly pours a batch of polluted soil into the upper part of the repair box (the soil is poured in batches, and the soil is poured into another batch after one batch is repaired), the soil then enters above the screening disks, which cannot be moist, the drier the better, under the rotation of the half-tooth gear, the half-tooth gear is meshed with the gear rack, when the half-tooth gear is not meshed with the gear rack, the repair box falls under the action of the spring and the repair box, thereby vibrating the soil, on one hand, fine soil flows into the next layer from the through holes, on the other hand, coarse soil falls to the edge along the inclined screening disk, the soil enters the crushing groove under the action of the first motor, is crushed under the action of the crushing teeth, falls along the layer of the crushing groove, and finally falls below the screening disc under the action of vibration after being crushed;
the motor is started to enable water in the water storage tank to enter the repairing tank through the second water pipe until a stirring rod (soil is located below the stirring rod) is submerged, the screening disc is driven by the first motor to rotate, and meanwhile, the stirring rod also rotates under the action of the rotating shaft, so that the entered soil is stirred; the traditional soil remediation efficiency is poor, and part of the reasons are that the soil is not crushed to cause soil agglomeration, and the agglomerated soil is difficult to decompose through stirring, so that the inside of the agglomerated soil is difficult to be remedied, and the agglomerated soil contains some pollution sources possibly containing heavy metals;
heavy metal ions start to move under the action of the cathode electrode and the anode electrode and gather around the cathode electrode and the anode electrode, and at the moment, water around the cathode electrode and the anode electrode is extracted under the action of the first water pump, so that the gathering speed of the heavy metal ions can be increased, otherwise, other heavy metal ions are difficult to gather under the action of the concentration difference of the heavy metal ions;
when the soil is static for one end time after being treated for one end time, the second water pump is started, water on the surface of the soil is pumped into the water tank, then the electric telescopic rod is started, the soil (the soil with higher water content at the moment) enters the discharging bin, then the third motor is started, the soil is discharged from the discharging pipe under the action of the auger, and the agent in the agent tank is also doped in the flowing soil and further enters the soil containing tank when the soil is discharged;
the utility model discloses an above-mentioned technical means can realize the physical restoration and the chemical restoration of soil to can carry out efficient restoration with soil.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims (5)

1. The utility model provides a heavy metal contaminated soil prosthetic devices, includes base (1), its characterized in that: a repair box (2) is connected above the base (1);
the inner top end of the repairing box (2) is connected with a supporting plate (3), a first motor (4) is arranged in the middle of the supporting plate (3), the first motor (4) is electrically connected with a power supply, a rotating shaft (5) is connected below the first motor (4), a plurality of screening disks (6) are connected above the side surface of the rotating shaft (5), a stirring rod (7) is connected below the rotating shaft, a plurality of through holes (8) are formed in the screening disks (6), crushing teeth (9) are arranged on the side surface of each screening disk (6), and crushing grooves (10) matched with the crushing teeth (9) are formed in the inner wall of the repairing box (2);
and both sides of the stirring rod (7) are respectively provided with a cathode electrode (11) and an anode electrode (12), and the cathode electrode (11) and the anode electrode (12) are both connected with a power supply.
2. The heavy metal contaminated soil remediation device of claim 1, wherein: two sides of the outer surface of the repair box (2) are provided with gear bars (13), the gear bars (13) are meshed with half-tooth gears (14), the half-tooth gears (14) are connected through supporting rods (15), the bottom ends of the supporting rods (15) are fixedly connected with the base (1), the top ends of the supporting rods (15) are provided with second motors (16), the second motors (16) are connected with the half-tooth gears (14), and the second motors (16) are electrically connected with a power supply;
a groove (17) is formed in the base (1), the repairing box (2) is located in the groove (17), a slide way (18) is formed in the side face of the groove (17), a slide block (19) is connected to the side face of the bottom of the repairing box (2), and the slide block (19) is located in the slide way (18);
a spring (20) is connected between the repair box (2) and the groove (17).
3. The heavy metal contaminated soil remediation device of claim 1, wherein: the inner walls of two opposite sides of the repairing box (2) below the stirring rod (7) are rotatably connected with sealing plates (21), the lower surface of one end, far away from the inner wall of the repairing box (2), of each sealing plate (21) is connected with the top end of an electric telescopic rod (22), the bottom end of the electric telescopic rod (22) is fixedly connected with the inner bottom surface of the repairing box (2), and the electric telescopic rods (22) are electrically connected with a power supply;
a first water pump (23) is arranged below the sealing plate (21), the first water pump (23) is electrically connected with a power supply, the first water pump (23) is connected with one end of a first water pipe (24), and the other end of the first water pipe (24) penetrates through the sealing plate (21) and is positioned below the cathode electrode (11) and the anode electrode (12).
4. The heavy metal contaminated soil remediation device of claim 3, wherein: base (1) top be provided with storage water tank (25), storage water tank (25) inside be provided with second water pump (26), second water pump (26) electric connection power, second water pump (26) connect the one end of second water pipe (27), the other end of second water pipe (27) runs through the top that is located puddler (7) behind repairing case (2).
5. The heavy metal contaminated soil remediation device of claim 3, wherein: the lower surface of one end, far away from the inner wall of the repairing box (2), of the sealing plate (21) is connected with the top end of the sealing cloth (28), a cylindrical discharging bin (29) is arranged in the middle of the lower portion of the sealing plate (21), the upper portion of the discharging bin (29) is open, two open ends of the sealing cloth are connected with the bottom ends of the two sealing cloths (28) respectively, an auger (30) is arranged in the discharging bin (29), one end of a rotating shaft (31) of the auger (30) penetrates through the repairing box (2) to extend outwards to be connected with a third motor (32), the third motor (32) is electrically connected with a power supply, and a discharging pipe (33) is connected onto the repairing box (2) at the other end;
the external side surface of the repairing box (2) is fixedly connected with a chemical box (34), the bottom end of the chemical box (34) is connected with the top end of a chemical tube (35), the bottom end of the chemical tube (35) penetrates through the discharge tube (33), and the central axis of the bottom end and the discharge tube (33) are positioned on the same straight line; a soil containing box (36) is arranged below the discharge pipe (33).
CN201921191126.6U 2019-07-26 2019-07-26 Heavy metal contaminated soil prosthetic devices Active CN210907378U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921191126.6U CN210907378U (en) 2019-07-26 2019-07-26 Heavy metal contaminated soil prosthetic devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921191126.6U CN210907378U (en) 2019-07-26 2019-07-26 Heavy metal contaminated soil prosthetic devices

Publications (1)

Publication Number Publication Date
CN210907378U true CN210907378U (en) 2020-07-03

Family

ID=71353849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921191126.6U Active CN210907378U (en) 2019-07-26 2019-07-26 Heavy metal contaminated soil prosthetic devices

Country Status (1)

Country Link
CN (1) CN210907378U (en)

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Address after: 210048 No.1, Gezhong Road, Getang street, Nanjing City, Jiangsu Province

Patentee after: Nanjing University environmental planning and Design Institute Group Co., Ltd

Address before: 210048 No.1, Gezhong Road, Getang street, Nanjing City, Jiangsu Province

Patentee before: ACADEMY OF ENVIRONMENTAL PLANNING & DESIGN CO., LTD. NANJING University