CN216574849U

CN216574849U - Heavy metal contaminated soil prosthetic devices

Info

Publication number: CN216574849U
Application number: CN202122927776.6U
Authority: CN
Inventors: 王于绮
Original assignee: Tianjin Derenshui Ecological Technology Co ltd
Current assignee: Tianjin Derenshui Ecological Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-24
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a heavy metal contaminated soil remediation device which comprises a remediation box, wherein the remediation box comprises a box body and an upper cover positioned at the top of the box body, one side of the top of the box body is fixedly communicated with the bottom of a pretreatment box, the top of the pretreatment box is fixedly connected with a feed hopper, a screening mechanism and a crushing mechanism are arranged inside the pretreatment box, the top of the upper cover is fixedly connected with a fixed cover, the top end of the fixed cover is fixedly connected with a remediation liquid tank, the top of the remediation liquid tank is fixedly connected with a liquid inlet pipeline, a liquid outlet mechanism is arranged inside the remediation liquid tank, a second motor is arranged inside the fixed cover, and the output end of the second motor is fixedly connected with a second rotating shaft. Through carrying out the preliminary treatment to soil to follow-up intensive mixing, repair liquid atomizing blowout simultaneously, under the stirring of stirring roller, first piece group of cutting, second piece group of cutting and puddler, can be better mix with soil, thereby promote repair effect and remediation efficiency.

Description

Heavy metal contaminated soil prosthetic devices

Technical Field

The utility model relates to the technical field of soil remediation, in particular to a heavy metal contaminated soil remediation device.

Background

The inorganic pollutants in the soil are relatively outstanding in heavy metal, and the heavy metal is easy to accumulate because the heavy metal cannot be decomposed by soil microorganisms and is converted into methyl compounds with higher toxicity, and even some methyl compounds are accumulated in a human body at harmful concentration through a food chain, so that the human health is seriously harmed.

At present, the method generally adopted for repairing the heavy metal contaminated soil comprises the following steps: mix repair liquid and heavy metal contaminated soil, utilize repair liquid to restore, but current prosthetic devices can not make heavy metal contaminated soil and repair liquid intensive mixing, and the repairing effect is poor, and is inefficient, for this reason we propose a heavy metal contaminated soil prosthetic devices.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the heavy metal contaminated soil remediation device, which is used for pretreating soil so as to facilitate subsequent sufficient stirring, and meanwhile, the remediation liquid is atomized and sprayed out, and can be better mixed with the soil under the stirring of the stirring roller, the first slitting sheet group, the second slitting sheet group and the stirring rod, so that the remediation effect and the remediation efficiency are improved.

In order to solve the technical problems, the utility model provides the following technical scheme: a heavy metal contaminated soil remediation device comprises a remediation box, wherein the remediation box comprises a box body and an upper cover positioned at the top of the box body, one side of the top of the box body is fixedly communicated with the bottom of a pretreatment box, the top of the pretreatment box is fixedly connected with a feed hopper, a screening mechanism and a crushing mechanism are arranged inside the pretreatment box, the top of the upper cover is fixedly connected with a fixed cover, the top end of the fixed cover is fixedly connected with a remediation liquid tank, the top of the remediation liquid tank is fixedly connected with a liquid inlet pipeline, a liquid outlet mechanism is arranged inside the remediation liquid tank, a second motor is arranged inside the fixed cover, the output end of the second motor is fixedly connected with a second rotating shaft, three stirring rollers are fixedly connected to two sides of the second rotating shaft, a first cutting blade group is arranged on the outer surfaces of the three stirring rollers, and a second cutting blade group is arranged on the outer surfaces of the other three stirring rollers, every homonymy is three the one end of second pivot is provided with a clearance mechanism, the equal fixedly connected with supporting legs in four corners of bottom half, the bottom fixedly connected with discharging pipe of box, and the fixed valve that is provided with in middle part of discharging pipe.

According to a preferred technical scheme, the cleaning mechanism comprises fixed plates fixedly connected with the end faces of three stirring rollers on the same side, through holes are formed in the top and the bottom of each fixed plate, a connecting plate is arranged on the outer side of each fixed plate, fixed threaded rods are fixedly connected to the top and the bottom of each connecting plate, one ends of the two fixed threaded rods respectively penetrate through the two through holes to be in threaded connection with the inner portions of two nuts, springs are sleeved on the outer surfaces of the two fixed threaded rods, a plurality of cleaning convex bodies are fixedly connected to the outer surface of each connecting plate, each first cutting blade group is composed of eight first cutting blades fixedly connected with the outer surface of the corresponding stirring roller, and each second cutting blade group is composed of six second cutting blades fixedly connected with the outer surface of the corresponding stirring roller.

As a preferred technical scheme of the utility model, the screening mechanism comprises an electric push rod, the electric push rod is fixedly arranged on the inner wall surface of the pretreatment box, the output end of the electric push rod is fixedly connected with a screening net, the middle part of the pretreatment box is fixedly connected with a partition plate, the bottom of the screening net is positioned at the top of the partition plate, the crushing mechanism comprises a first motor, the first motor is fixedly arranged on the outer side of the pretreatment box, the output end of the first motor is fixedly connected with a first rotating shaft, and the outer surface of the first rotating shaft is fixedly connected with a crushing roller.

According to a preferable technical scheme of the utility model, the liquid outlet mechanism comprises a water pump, the output end of the water pump is fixedly connected with a main flow pipe, one end of the main flow pipe penetrating through the repair liquid tank and the fixing cover is fixedly connected with a plurality of shunt pipes, and one end of each shunt pipe penetrating through the fixing cover and the upper cover is fixedly connected with an atomizing nozzle.

As a preferable technical solution of the present invention, the positions of the plurality of removing protrusions on one of the connecting plates and the positions of the plurality of removing protrusions on the other connecting plate are staggered with each other.

As a preferable technical scheme of the utility model, one end of each clearing convex body, which is close to the inner wall surface of the box body, is provided with an arc-shaped end.

As a preferred technical scheme of the present invention, two sides of the bottom of the second rotating shaft are both fixedly connected with two stirring rods, and the other two sides of the bottom of the second rotating shaft are both fixedly connected with one stirring rod.

As a preferred technical scheme of the utility model, the screening net is composed of a fixed frame and a filter net fixedly connected with the inside of the fixed frame, two rollers are symmetrically and fixedly connected with the top of the partition board, and one sides of the two rollers are respectively in rolling connection with two sides of the bottom of the fixed frame.

As a preferred technical solution of the present invention, the number of the shunt tubes may be two or four, and the shunt tubes are distributed in a circumferential array with the center of the fixed cover as the center of the array.

As a preferred technical scheme of the utility model, a transparent window is arranged in the middle of the repair liquid tank, and scales are arranged on the outer surface of the transparent window.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the stirring roller is driven to rotate through the second rotating shaft, and then the cleaning mechanism is driven to rotate, because the spring is in a compressed state, the connecting plate can drive the cleaning convex body to be tightly attached to the inner wall surface of the stirring cavity in the box body, so that a large amount of soil is prevented from being adhered to the inner wall surface of the stirring cavity and cannot be fully mixed with the repairing liquid, not only is the soil repairing effect poor, but also inconvenience is caused to the later cleaning work, by utilizing the design that the first sub-section of the first sub-section set and the second sub-section of the second sub-section set are mutually staggered, the soil piled together can be better stirred and cut, and the soil is prevented from being piled into blocks and cannot be fully mixed with the repairing liquid;

2. the soil is screened through the screening net, relatively fine soil particles directly pass through the screening net and enter the interior of the box body from the bottom of the pretreatment box, relatively large soil particles come to the top of the crushing roller along the screening net, the large soil particles are crushed by the crushing roller and enter the interior of the box body from the bottom of the pretreatment box after crushing is finished, and the soil is classified, so that the pretreatment efficiency is greatly improved, meanwhile, soil liquid after pretreatment is finished is more easily and fully mixed with repair liquid, and the repair effect and the repair speed are greatly improved;

3. extract the repair liquid through the water pump, inside the repair liquid gets into the shunt tubes from the mainstream pipe, the repair liquid in the shunt tubes is at last from atomizer blowout, the volume of extracting repair liquid simultaneously can be confirmed by the scale on the transparent window, thereby make the volume of the repair liquid of extraction and the volume that drops into soil can be in proportion, avoid repair liquid too much or too little, cause the poor problem of extravagant or repairing effect, atomizer atomizes the repair liquid, also can accelerate repair liquid and soil intensive mixing, the repair speed of soil has been improved greatly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2B;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 2 at C;

FIG. 6 is a schematic view of a bump removing structure according to the present invention;

wherein: 1. repairing the box; 2. a box body; 3. an upper cover; 4. a pretreatment tank; 5. a feed hopper; 6. a partition plate; 7. an electric push rod; 8. screening the net; 9. a fixing frame; 10. a filter screen; 11. a roller; 12. a first rotating shaft; 13. a crushing roller; 14. a fixed cover; 15. repairing the liquid tank; 16. a transparent window; 17. a liquid inlet pipeline; 18. a shunt tube; 19. an atomizing spray head; 20. a second motor; 21. a second rotating shaft; 22. a stirring roller; 23. a first slitting blade group; 24. a second group of sliced sheets; 25. a fixing plate; 26. a connecting plate; 27. removing the convex body; 28. fixing a threaded rod; 29. a through hole; 30. a nut; 31. a spring; 32. a water pump; 33. a main flow pipe; 34. supporting legs; 35. a stirring rod; 36. and (4) discharging the pipe.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in figures 1-6, a heavy metal contaminated soil remediation device comprises a remediation box 1, the remediation box 1 is composed of a box body 2 and an upper cover 3 positioned on the top of the box body 2, one side of the top of the box body 2 is fixedly communicated with the bottom of a pretreatment box 4, the top of the pretreatment box 4 is fixedly connected with a feed hopper 5, a sieving mechanism and a crushing mechanism are arranged inside the pretreatment box 4, a fixed cover 14 is fixedly connected with the top of the upper cover 3, a remediation liquid tank 15 is fixedly connected with the top end of the fixed cover 14, a liquid inlet pipeline 17 is fixedly connected with the top of the remediation liquid tank 15, a liquid outlet mechanism is arranged inside the remediation liquid tank 15, a second motor 20 is arranged inside the fixed cover 14, a second rotating shaft 21 is fixedly connected with the output end of the second motor 20, three stirring rollers 22 are fixedly connected with two sides of the second rotating shaft 21, wherein a first slicing group 23 is arranged on the outer surfaces of the three stirring rollers 22, the outer surfaces of the other three stirring rollers 22 are provided with second slicing groups 24, one end of each side of each of the three second rotating shafts 21 is provided with a cleaning mechanism, four corners of the bottom of the box body 2 are fixedly connected with supporting legs 34, the bottom end of the box body 2 is fixedly connected with a discharging pipe 36, the middle of the discharging pipe 36 is fixedly provided with a valve, the middle of the repair liquid tank 15 is provided with a transparent window 16, and the outer surface of the transparent window 16 is provided with scales;

when heavy metal contaminated soil needs to be repaired, a certain amount of soil is firstly put into the box from the feeding hopper 5, the soil is firstly screened by the screening mechanism, fine soil directly enters the box 2 from the pretreatment tank 4, larger soil is crushed by the crushing mechanism and then enters the box 2, then liquid in the repair liquid tank 15 is transported into the box 2 by the liquid outlet mechanism, the input amount of the repair liquid can be determined by observing scales on the transparent window 16 according to the input amount of the soil, then the second motor 20 works to drive the second rotating shaft 21 to rotate and drive the stirring roller 22 to rotate to stir the soil, so that the soil and the repair liquid are fully mixed, meanwhile, the stirring roller 22 can also drive the first cutting slice group 23 and the second cutting slice group 24 to cut and stir the soil, so as to avoid soil accumulation and insufficient mixing, simultaneously clearance mechanism also can clear up the internal face in box 2 interior circular stirring chamber, avoids a large amount of soil adhesion, produces and mixes insufficient phenomenon, and the soil that restores at last is discharged from discharging pipe 36, and this design can carry out categorised preliminary treatment earlier to soil, promotes preliminary treatment efficiency, also is convenient for promote later stage mixed effect and efficiency after the preliminary treatment to promote the restoration effect and the restoration speed of soil.

In other embodiments, the cleaning mechanism includes a fixing plate 25 fixedly connected to the end faces of the three stirring rollers 22 on the same side, through holes 29 are formed in the top and the bottom of the fixing plate 25, a connecting plate 26 is arranged on the outer side of the fixing plate 25, fixed threaded rods 28 are fixedly connected to the top and the bottom of the connecting plate 26, one ends of the two fixed threaded rods 28 respectively penetrate through the two through holes 29 to be in threaded connection with the inner portions of two nuts 30, springs 31 are sleeved on the outer surfaces of the two fixed threaded rods 28, a plurality of cleaning convex bodies 27 are fixedly connected to the outer surface of the connecting plate 26, each first sub-divided blade group 23 is composed of eight first sub-divided blades fixedly connected to the outer surface of the corresponding stirring roller 22, and each second sub-divided blade group 24 is composed of six second sub-divided blades fixedly connected to the outer surface of the corresponding stirring roller 22;

when the second rotating shaft 21 rotates, the stirring rollers 22 are driven to rotate, and then the cleaning mechanism is driven to rotate, because the spring 31 is in a compressed state, the connecting plate 26 can drive the cleaning convex body 27 to be tightly attached to the inner wall surface of the stirring cavity in the box body 2, so that a large amount of soil is prevented from being adhered to the inner wall surface of the stirring cavity and cannot be sufficiently mixed with the repairing liquid, which not only can cause poor soil repairing effect but also can cause inconvenience for later cleaning work, two stirring rollers 22 which are positioned at the same height of the second rotating shaft 21 are provided, wherein a first sub-slice group 23 is arranged on the outer surface of one stirring roller 22, a second sub-slice group 24 is arranged on the outer surface of the other stirring roller 22, and through the design that the first sub-slice of the first sub-slice group 23 and the second sub-slice group 24 are staggered with each other, the soil piled together can be better stirred and cut, so as to prevent the soil from being piled up into blocks, resulting in insufficient mixing with the repair solution.

In other embodiments, the screening mechanism comprises an electric push rod 7, the electric push rod 7 is fixedly arranged on the inner wall surface of the pretreatment tank 4, the output end of the electric push rod 7 is fixedly connected with a screening net 8, the middle part of the pretreatment tank 4 is fixedly connected with a partition plate 6, the bottom of the screening net 8 is positioned at the top of the partition plate 6, the crushing mechanism comprises a first motor, the first motor is fixedly arranged on the outer side of the pretreatment tank 4, the output end of the first motor is fixedly connected with a first rotating shaft 12, and the outer surface of the first rotating shaft 12 is fixedly connected with a crushing roller 13;

when soil enters the pretreatment tank 4 from the feed hopper 5, the soil drops on the screening net 8, the electric push rod 7 drives the screening net 8 to move, the soil is screened by the screening net 8, relatively fine soil particles directly pass through the screening net 8 and enter the tank 2 from the bottom of the pretreatment tank 4, relatively large soil particles come to the top of the crushing roller 13 along the screening net 8, at the moment, the first motor drives the first rotating shaft 12 to rotate, the larger soil particles are crushed by the crushing roller 13, and after the crushing is finished, the soil enters the tank 2 from the bottom of the pretreatment tank 4, meanwhile, the bottom of the pretreatment tank 4 is arc-shaped, which is convenient for the movement of soil, greatly improves the pretreatment efficiency by classifying the soil, meanwhile, the soil liquid after the pretreatment is finished is easier to be fully mixed with the repairing liquid, so that the repairing effect and the repairing speed are greatly improved.

In other embodiments, the liquid outlet mechanism comprises a water pump 32, a main flow pipe 33 is fixedly connected to the output end of the water pump 32, a plurality of branch pipes 18 are fixedly connected to one end of the main flow pipe 33 penetrating through the repair liquid tank 15 and the fixing cover 14, and an atomizing nozzle 19 is fixedly connected to one end of each branch pipe 18 penetrating through the fixing cover 14 and the upper cover 3;

when going out liquid mechanism during operation, it is the work of water pump 32 earlier, with the repair liquid extraction, the repair liquid gets into the shunt tubes 18 inside from the mainstream pipe 33, the repair liquid in the shunt tubes 18 is spout from atomizer 19 at last, the volume of extracting repair liquid simultaneously can be confirmed by the scale on the transparent window 16, thereby make the volume of the repair liquid of extraction and the volume of dropping into soil can be according to the proportion, avoid repair liquid too much or too little, cause extravagant or repair effect poor problem, atomizer 19 atomizes the repair liquid, also can accelerate repair liquid and soil intensive mixing, the repair rate of soil has been improved greatly.

In other embodiments, the positions of the plurality of removing projections 27 on one of the connecting plates 26 are offset from the positions of the plurality of removing projections 27 on the other connecting plate 26;

the staggered cleaning convex bodies 27 are utilized to better clean soil adhered to the inner wall surface of the box body 2, so that the cleaning effect is improved.

In other embodiments, one end of each clearing convex body 27 close to the inner wall surface of the box body 2 is provided with an arc-shaped end;

the convex body 27 can be conveniently removed and can better move along the inner wall surface of the box body 2, and the damage of the inner wall surface of the box body 2 caused by the removal of the convex body 27 is also avoided.

In other embodiments, two stirring rods 35 are fixedly connected to two sides of the bottom of the second rotating shaft 21, and one stirring rod 35 is fixedly connected to the other two sides of the bottom of the second rotating shaft 21;

utilize puddler 35 of height dislocation, can be fine to piling up and stirring in 2 bottom soils of box to make the soil in 2 bottoms of box can be abundant mix with repair liquid.

In other embodiments, the sieving net 8 is composed of a fixed frame 9 and a filtering net 10 fixedly connected with the inside of the fixed frame 9, two rollers 11 are symmetrically and fixedly connected with the top of the partition board 6, and one side of each of the two rollers 11 is respectively in rolling connection with two sides of the bottom of the fixed frame 9;

when electric putter 7 drove screening net 8 and removes, fixed frame 9 can roll along the gyro wheel 11 at 6 tops of baffle, changes the sliding friction of fixed

frame

9 and 6 tops of baffle originally into rolling friction, has promoted screening net 8's life greatly.

In other embodiments, the number of shunt tubes 18 can be two or four and distributed in a circumferential array with the center of the fixed shroud 14 as the center of the array;

shunt tubes 18 and atomizer 19 that convenient distribution is even can be more even blowout repair liquid to make repair liquid and soil more abundant mixture, promoted the speed that soil and repair liquid mixed greatly.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heavy metal contaminated soil prosthetic devices, includes restores case (1), restores case (1) and comprises box (2) and upper cover (3) that are located box (2) top, its characterized in that: one side of the top of the box body (2) is fixedly communicated with the bottom of the pretreatment box (4), the top of the pretreatment box (4) is fixedly connected with a feed hopper (5), the inside of the pretreatment box (4) is provided with a screening mechanism and a crushing mechanism, the top of the upper cover (3) is fixedly connected with a fixed cover (14), the top end of the fixed cover (14) is fixedly connected with a repair liquid tank (15), the top of the repair liquid tank (15) is fixedly connected with a liquid inlet pipeline (17), the inside of the repair liquid tank (15) is provided with a liquid outlet mechanism, the inside of the fixed cover (14) is provided with a second motor (20), the output end of the second motor (20) is fixedly connected with a second rotating shaft (21), two sides of the second rotating shaft (21) are fixedly connected with three stirring rollers (22), wherein the outer surfaces of the three stirring rollers (22) are provided with a first split tablet group (23), the surface of three stirring roller (22) all is provided with second and cuts piece group (24) in addition, and every homonymy is three the one end of second pivot (21) is provided with a clearance mechanism, the equal fixedly connected with supporting legs (34) of four corners of box (2) bottom, the bottom fixedly connected with discharging pipe (36) of box (2), and the fixed valve that is provided with in middle part of discharging pipe (36).

2. The heavy metal contaminated soil remediation device of claim 1, wherein: the cleaning mechanism comprises a fixing plate (25) fixedly connected with the end faces of three stirring rollers (22) at the same side, through holes (29) are formed in the top and the bottom of the fixing plate (25), a connecting plate (26) is arranged on the outer side of the fixing plate (25), fixed threaded rods (28) are fixedly connected with the top and the bottom of the connecting plate (26), one ends of the two fixed threaded rods (28) respectively penetrate through the two through holes (29) to be connected with the inner threads of two nuts (30), springs (31) are sleeved on the outer surfaces of the two fixed threaded rods (28), a plurality of cleaning convex bodies (27) are fixedly connected with the outer surface of the connecting plate (26), the first cutting blade group (23) is composed of eight first cutting blades fixedly connected with the outer surface of the corresponding stirring roller (22), the second cutting blade group (24) is composed of six second cutting blades fixedly connected with the outer surface of the corresponding stirring roller (22).

3. The heavy metal contaminated soil remediation device of claim 1, wherein: screening mechanism includes electric putter (7), and electric putter (7) fixed mounting is in the internal face of preliminary treatment case (4), the output fixedly connected with screening net (8) of electric putter (7), middle part fixedly connected with baffle (6) of preliminary treatment case (4), and the bottom of screening net (8) is located the top of baffle (6), crushing mechanism includes first motor, and first motor fixed mounting is in the outside of preliminary treatment case (4), the first pivot (12) of output fixedly connected with of first motor, the outer fixed surface of first pivot (12) is connected with crushing roller (13).

4. The heavy metal contaminated soil remediation device of claim 1, wherein: the liquid outlet mechanism comprises a water pump (32), a main flow pipe (33) is fixedly connected to the output end of the water pump (32), the main flow pipe (33) penetrates through the repair liquid tank (15) and one end of the fixing cover (14) and is fixedly connected with a plurality of shunt pipes (18), and one end of each shunt pipe (18) penetrating through the fixing cover (14) and one end of the upper cover (3) are fixedly connected with an atomizing nozzle (19).

5. The heavy metal contaminated soil remediation device of claim 2, wherein: the positions of the plurality of clearing convex bodies (27) on one connecting plate (26) and the positions of the plurality of clearing convex bodies (27) on the other connecting plate (26) are staggered.

6. The heavy metal contaminated soil remediation device of claim 2, wherein: one end of each clearing convex body (27) close to the inner wall surface of the box body (2) is provided with an arc-shaped end.

7. The heavy metal contaminated soil remediation device of claim 1, wherein: two stirring rods (35) are fixedly connected to two sides of the bottom of the second rotating shaft (21), and one stirring rod (35) is fixedly connected to the other two sides of the bottom of the second rotating shaft (21).

8. The heavy metal contaminated soil remediation device of claim 3, wherein: screening net (8) by fixed frame (9) and with fixed frame (9) inside fixed connection's filter screen (10) constitute, two gyro wheels (11) of the top symmetry fixedly connected with of baffle (6), two one side of gyro wheel (11) respectively with the both sides roll connection of fixed frame (9) bottom.

9. The heavy metal contaminated soil remediation device of claim 4, wherein: the number of the shunt tubes (18) can be two or four, and the shunt tubes are distributed in a circumferential array by taking the center of the fixed cover (14) as the center of the array.

10. The heavy metal contaminated soil remediation device of claim 1, wherein: the middle part of the repair liquid tank (15) is provided with a transparent window (16), and the outer surface of the transparent window (16) is provided with scales.