CN111940476A

CN111940476A - Soil remediation system and remediation method

Info

Publication number: CN111940476A
Application number: CN202010815846.6A
Authority: CN
Inventors: 王清冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-11-17

Abstract

The soil remediation system and the remediation method have the beneficial technical effects that the metal in the soil can be removed, and the soil remediation agent can be put into the soil to perform remediation treatment on the soil. The method comprises the following steps: 1. the right end of the magnetic suction cylinder I is connected with a hose on a box filled with a soil repairing agent, and the soil repairing agent flows into the hollow cylinder through the magnetic suction cylinder I; 2. the underframe is moved to the position of soil to be restored, and the hollow cylinder is driven to move downwards by rotating the adjusting piece, so that the plurality of magnetic suction columns are inserted into the soil; 3. the chassis moves forwards, and simultaneously the first motor is started to drive the hollow cylinder and the magnetic suction columns to rotate; 4. a plurality of rotary magnetic columns are electrified to fully adsorb metal in the soil; 5. the soil remediation agent flows into the magnetic attraction columns which rotate to the lower part respectively, and is thrown into the soil under the driving of the rotation of the magnetic attraction columns to remediate the soil.

Description

Soil remediation system and remediation method

Technical Field

The invention relates to the technical field of soil remediation equipment, in particular to a soil remediation system and a remediation method.

Background

The invention discloses a strong magnetic iron removal device for a power ultrasonic soil remediation device with the prior patent number of CN201811186894.2, and relates to the field of soil iron removal, in particular to a strong magnetic iron removal device for a power ultrasonic soil remediation device. Push-and-pull mechanism sets up the lower extreme at the chassis, and strong magnetic frame articulates the one end at the chassis, and both ends are articulated about both ends and push-and-pull mechanism of strong magnetic frame, and magnetic force spare rotates to be connected on strong magnetic frame, pushes away subassembly and magnetic force spare sliding connection, pushes away subassembly and strong magnetic frame sliding connection, and slider assembly sets up on strong magnetic frame, pushes away the one end fixed connection of subassembly on slider assembly. However, this device cannot remove metals in soil and put a remediation agent into soil to remediate the soil.

Disclosure of Invention

The invention aims to provide a soil remediation system and a remediation method, which have the beneficial effects that the soil remediation system can remove metals in soil, and can also put a soil remediation agent into the soil to perform remediation treatment on the soil.

The purpose of the invention is realized by the following technical scheme:

a soil remediation system comprises a base frame, a rotating shaft, barrel frames, a first motor, gears, hollow barrels, gears, magnetic suction columns and a rotation adjusting piece, wherein the rotating shaft is arranged on the base frame, the middle part of the rotating shaft is fixedly connected with the two barrel frames, the first motor is fixedly connected onto one barrel frame through a motor frame, the gears are fixedly connected onto an output shaft of the first motor, the hollow barrels are rotatably connected onto the two barrel frames, the gears are fixedly connected onto the hollow barrels, the gears are in meshing transmission connection with the gears, the magnetic suction columns are uniformly arranged on the hollow barrels in a surrounding mode, and the magnetic suction columns are communicated with the hollow barrels; the magnetic attraction column and the gear are positioned between the two barrel racks; the rotating shaft is connected with one end of the rotating adjusting piece, and the other end of the rotating adjusting piece is arranged on the bottom frame.

As a further optimization of the technical scheme, the soil remediation system further comprises a magnetic suction cylinder I and a magnetic suction cylinder II, wherein the magnetic suction cylinder II is fixedly connected to one end of the hollow cylinder, the interior of the magnetic suction cylinder I is hollow, and the magnetic suction cylinder I is fixedly connected and communicated with the other end of the hollow cylinder.

As a further optimization of the technical scheme, the soil remediation system further comprises two scraping rings, the two scraping rings are respectively connected to two ends of the hollow cylinder in a sliding fit manner, and the two cylinder frames are located between the two scraping rings.

As a further optimization of the technical scheme, the soil remediation system further comprises second motors, screw rods, edge blocks, guide rods and scraping ring frames, wherein the two second motors are fixedly connected to the two barrel frames through the motor frames respectively, output shafts of the two second motors are connected with one screw rod through a coupling respectively, outer ends of the two screw rods are rotatably connected with one edge block respectively, the two guide rods are fixedly connected to the two edge blocks respectively, the two scraping ring frames are connected to the two screw rods through threaded matching respectively, the two scraping ring frames are connected with the two guide rods in sliding matching respectively, and the two scraping rings are fixedly connected to the two scraping ring frames respectively.

As further optimization of the technical scheme, the soil remediation system further comprises an edge block, a sliding rod and an electric push rod; the both ends of pivot are rotated respectively and are connected a limit piece, and two limit pieces are sliding fit connection respectively on a slide bar, and two slide bars are fixed connection respectively at the both ends of chassis, electric putter of fixed connection respectively on two slide bars, and two electric putter's flexible end is fixed connection respectively on two limit pieces.

As further optimization of the technical scheme, the soil remediation system further comprises a rod frame and a pole; the rotary adjusting piece comprises a base, a trapezoid bar, a sliding block, a lead screw, a third motor and an articulated arm; the two ends of the column rod are fixedly connected with a rod frame respectively, the two rod frames are fixedly connected to the middle part of the rotating shaft, the two ends of the articulated arm are rotatably connected with the column rod and the sliding block respectively, the sliding block is connected to the lead screw through thread fit, the lead screw is connected to an output shaft of a third motor through a coupler, the third motor is fixedly connected to the base through a motor frame, the trapezoidal bar is fixedly connected to the base, and the sliding block is connected to the trapezoidal bar in a sliding manner; the two ends of the base are respectively and fixedly connected to the two edge blocks.

As a further optimization of the technical scheme, the soil remediation system further comprises an L-shaped frame and a vertical rod, wherein the L-shaped frame is fixedly connected to the bottom frame, the vertical rod is fixedly connected to the L-shaped frame, and the rear end of the base is connected to the vertical rod in a sliding fit manner.

As a further optimization of the technical scheme, the soil remediation system further comprises rollers, a screw seat and a hand lever, wherein the lower end of the bottom frame is rotatably connected with the four rollers, the screw seat is fixedly connected with the rear end of the bottom frame, and the hand lever is fixedly connected to the screw seat.

A method of soil remediation by a soil remediation system, the method comprising the steps of:

the method comprises the following steps: the right end of the magnetic suction cylinder I is connected with a hose on a box filled with a soil repairing agent, and the soil repairing agent flows into the hollow cylinder through the magnetic suction cylinder I;

step two: the underframe is moved to the position of soil to be restored, and the hollow cylinder is driven to move downwards by rotating the adjusting piece, so that the plurality of magnetic suction columns are inserted into the soil;

step three: the chassis moves forwards, and simultaneously the first motor is started to drive the hollow cylinder and the magnetic suction columns to rotate;

step four: a plurality of rotary magnetic columns are electrified to fully adsorb metal in the soil;

step five: the soil remediation agent flows into the magnetic attraction columns which rotate to the lower part respectively, and is thrown into the soil under the driving of the rotation of the magnetic attraction columns to remediate the soil.

The soil remediation system has the beneficial effects that:

the soil remediation system can remove metals in soil, and can also put a soil remediation agent into the soil to perform remediation treatment on the soil. The metal in the abundant absorption soil after the circular telegram of a plurality of rotatory magnetism posts to a plurality of rotatory magnetism posts can smash the soil of caking, make the metal can be sufficient with soil separation, thereby more thorough absorption by a plurality of magnetism posts is got rid of, the magnetism post of below is in the rotatory soil of throwing up with soil repairing agent in, to soil remediation, soil repairing agent and the soil after breaking up can be more abundant reaction simultaneously, and the repairing effect is better.

Drawings

FIG. 1 is a first schematic diagram of a soil remediation system according to the present invention;

FIG. 2 is a schematic diagram of a second embodiment of a soil remediation system according to the present invention;

FIG. 3 is a schematic diagram of a third embodiment of a soil remediation system of the present invention;

FIG. 4 is a schematic view of the construction of the chassis;

FIG. 5 is a schematic structural view of the spindle;

FIG. 6 is a first schematic structural view of the hollow cylinder, the magnetic attraction column, the magnetic attraction cylinder I and the magnetic attraction cylinder II;

FIG. 7 is a second schematic structural view of the hollow cylinder, the magnetic column, the magnetic cylinder I and the magnetic cylinder II;

FIG. 8 is a schematic view of the structure of the rotation adjusting member;

fig. 9 is a schematic structural view of the scraper ring.

In the figure: a chassis 1; a roller 101; a screw seat 102; a hand lever 103; an L-shaped frame 104; a vertical rod 105; a rotating shaft 2; a cartridge holder 201; a first electric machine 202; a gear 203; an edge block 204; a slide bar 205; an electric push rod 206; a bar frame 207; a post 208; a hollow cylinder 3; a gear 301; a magnetic attraction column 4; a magnetic suction cylinder I5; a magnetic suction cylinder II 6; rotating the adjusting member 7; a base 701; a trapezoidal bar 702; a slider 703; a lead screw 704; a third motor 705; an articulated arm 706; a scraping ring 8; a second electric machine 801; a screw 802; edge blocks 803; a guide rod 804; a wiper ring holder 805.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the electrical components that appear in this application all external intercommunication power and control switch when using.

The present invention is described in further detail below with reference to the accompanying figures 1-9 and the detailed description.

The first embodiment is as follows:

the present embodiment is described below with reference to fig. 1 to 9, and a soil remediation system includes an underframe 1, a rotating shaft 2, barrel frames 201, a first motor 202, a gear 203, a hollow barrel 3, a gear 301, magnetic columns 4, and a rotation adjusting member 7, wherein the rotating shaft 2 is disposed on the underframe 1, the middle portion of the rotating shaft 2 is fixedly connected to the two barrel frames 201, the first motor 202 is fixedly connected to one barrel frame 201 through the motor frame, the gear 203 is fixedly connected to an output shaft of the first motor 202, the hollow barrel 3 is rotatably connected to the two barrel frames 201, the gear 301 is fixedly connected to the hollow barrel 3, the gear 203 is in meshing transmission connection with the gear 301, the magnetic columns 4 are uniformly arranged on the hollow barrel 3 in a surrounding manner, and the magnetic columns 4 are all communicated with the hollow barrel 3; the magnetic attraction column 4 and the gear 301 are both positioned between the two barrel frames 201; the rotating shaft 2 is connected with one end of a rotating adjusting piece 7, and the other end of the rotating adjusting piece 7 is arranged on the underframe 1. When the soil repairing agent box is used, the hose on the box body filled with the soil repairing agent is connected with the hollow cylinder 3, the soil repairing agent flows into the hollow cylinder 3 through the hose, the underframe 1 is moved to the position of soil to be repaired, the hollow cylinder 3 is driven to move downwards through the rotation adjusting piece 7, the plurality of magnetic absorption columns 4 move downwards and are inserted into the soil, the first motor 202 is started to drive the gear 301 to rotate while the underframe 1 moves forwards, the gear 301 drives the hollow cylinder 3 and the plurality of magnetic absorption columns 4 to rotate, the plurality of rotary magnetic absorption columns 4 are electrified to fully absorb metal in the soil, the plurality of rotary magnetic absorption columns 4 can break up caked soil, the metal can be fully separated from the soil, the soil repairing agent in the hollow cylinder 3 can automatically flow into the magnetic absorption columns 4 which rotate to the lower part under the action of gravity, the magnetic absorption columns 4 which rotate to the lower part are filled with the soil repairing agent, the magnetic attraction columns 4 below rotate and simultaneously throw soil remediation agents into the scattered soil to restore the soil, meanwhile, the soil remediation agents and the scattered soil can react more fully, the restoration effect is better, and after the magnetic attraction columns 4 are powered off, metal on the surfaces of the magnetic attraction columns fall off from the magnetic attraction columns 4.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 9, and the soil remediation system further includes a magnetic suction cylinder i 5 and a magnetic suction cylinder ii 6, the magnetic suction cylinder ii 6 is fixedly connected to one end of the hollow cylinder 3, the interior of the magnetic suction cylinder i 5 is hollow, and the magnetic suction cylinder i 5 is fixedly connected to and communicated with the other end of the hollow cylinder 3. The right end of the magnetic suction cylinder I5 is connected with a hose on a box filled with a soil remediation agent, the soil remediation agent flows into the hollow cylinder 3 through the magnetic suction cylinder I5, and the magnetic suction column 4 rotating to the lower part is filled with the soil remediation agent; soil is in 4 rotatory backs of breaing up of a plurality of magnetism posts of inhaling, and the inside metal of soil may turn out soil surface, and magnetism section of thick bamboo I5 and magnetism are inhaled II 6 and are adsorbed the processing to soil surface's metal, and hollow cylinder 3 drives magnetism and inhale I5 and magnetism and inhale II 6 synchronous rotations of section of thick bamboo, and rotatory magnetism is inhaled section of thick bamboo I5 and is inhaled II 6 areas that have increased the adsorption plane with magnetism for the metal is got rid of more thoroughly.

The third concrete implementation mode:

referring to the embodiment described below with reference to fig. 1 to 9, the soil remediation system further includes two scraper rings 8, the two scraper rings 8 are respectively connected to two ends of the hollow cylinder 3 in a sliding fit manner, and the two cylinder frames 201 are located between the two scraper rings 8. When two scraping rings 8 slide to the outer end, can scrape the adsorbed metal on magnetism section of thick bamboo I5 and magnetism section of thick bamboo II 6 surface of inhaling and remove, avoid the metal to remain in magnetism section of thick bamboo I5 and magnetism section of thick bamboo II 6 of inhaling.

The fourth concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 9, the soil remediation system further includes a second motor 801, a screw 802, an edge block 803, guide rods 804, and a scraper ring frame 805, the two second motors 801 are respectively fixedly connected to the two barrel frames 201 through the motor frames, output shafts of the two second motors 801 are respectively connected to one screw 802 through couplings, outer ends of the two screws 802 are respectively rotatably connected to one edge block 803, the two guide rods 804 are respectively fixedly connected to the two edge blocks 803, the two scraper ring frames 805 are respectively connected to the two screws 802 through screw threads in a matching manner, the two scraper ring frames 805 are respectively connected to the two guide rods 804 in a sliding fit manner, and the two scraper rings 8 are respectively fixedly connected to the two scraper ring frames 805. When the magnetic suction device is used, the second motor 801 is started to drive the scraping ring frame 805 and the scraping ring 8 to slide towards the outer end through the screw 802, and the scraping ring 8 slides towards the outer end to scrape off metal on the magnetic suction cylinder I5 and the magnetic suction cylinder II 6.

The fifth concrete implementation mode:

referring now to FIGS. 1-9, the soil remediation system further includes a side block 204, a slide bar 205, and a power push bar 206; two ends of the rotating shaft 2 are respectively and rotatably connected with one edge block 204, the two edge blocks 204 are respectively and slidably connected to one sliding rod 205, the two sliding rods 205 are respectively and fixedly connected to two ends of the underframe 1, the two sliding rods 205 are respectively and fixedly connected with one electric push rod 206, and the telescopic ends of the two electric push rods 206 are respectively and fixedly connected to the two edge blocks 204. When using, two electric putter 206 drive two limit pieces 204 after the start-up upwards or the lapse, two limit pieces 204 drive pivot 2 and a plurality of magnetism and inhale the post 4 upwards or the lapse to change the degree of depth that magnetism was inhaled the post 4 and inserted in the soil, thereby adsorb the metal in the soil of the different degree of depth, perhaps drop into the soil of the different degree of depth with soil repairing agent in, carry out repairing to the soil of different degree of depth position department.

The sixth specific implementation mode:

referring now to FIGS. 1-9, the present embodiment is illustrated, wherein a soil remediation system further includes a mast frame 207 and a mast 208; the rotary adjusting piece 7 comprises a base 701, a trapezoidal bar 702, a sliding block 703, a lead screw 704, a third motor 705 and an articulated arm 706; two ends of a column rod 208 are fixedly connected with a rod frame 207 respectively, the two rod frames 207 are fixedly connected to the middle part of the rotating shaft 2, two ends of an articulated arm 706 are rotatably connected with the column rod 208 and a sliding block 703 respectively, the sliding block 703 is connected to a lead screw 704 through thread fit, the lead screw 704 is connected to an output shaft of a third motor 705 through a coupler, the third motor 705 is fixedly connected to a base 701 through a motor frame, a trapezoidal bar 702 is fixedly connected to the base 701, and the sliding block 703 slides and is connected to the trapezoidal bar 702; two ends of the base 701 are respectively and fixedly connected to the two side blocks 204. In use, the third motor 705 is started to drive the sliding block 703 to move forwards or backwards through the lead screw 704, and the sliding block 703 drives the pole 208 to move synchronously through the hinge arm 706, so as to drive the plurality of magnetic attraction poles 4 to lift upwards or to penetrate downwards into the soil, and when the plurality of magnetic attraction poles 4 are lifted, the device is convenient to move on the ground in a flat manner.

The seventh embodiment:

referring to fig. 1-9, the soil remediation system further includes an L-shaped frame 104 and a vertical rod 105, the L-shaped frame 104 is fixedly connected to the base frame 1, the vertical rod 105 is fixedly connected to the L-shaped frame 104, and the rear end of the base 701 is connected to the vertical rod 105 in a sliding fit manner. The vertical rod 105 supports and guides the rear end of the base 701, so that the base 701 is prevented from deviating.

The specific implementation mode is eight:

the present embodiment is described below with reference to fig. 1 to 9, the soil remediation system further includes rollers 101, a screw seat 102, and a hand lever 103, the four rollers 101 are rotatably connected to the lower end of the chassis 1, the screw seat 102 is fixedly connected to the rear end of the chassis 1, and the hand lever 103 is fixedly connected to the screw seat 102. The device can be fixed on a moving vehicle for work by inserting screws into the screw seats 102, or the device can be manually pushed and moved by holding the hand lever 103 by hand.

the method comprises the following steps: the right end of the magnetic suction cylinder I5 is connected with a hose on a box filled with a soil repairing agent, and the soil repairing agent flows into the hollow cylinder 3 through the magnetic suction cylinder I5;

step two: the underframe 1 is moved to the position of soil to be restored, the hollow cylinder 3 is driven to move downwards by rotating the adjusting piece 7, and the plurality of magnetic suction columns 4 are inserted into the soil;

step three: the chassis 1 moves forwards and the first motor 202 is started to drive the hollow cylinder 3 and the magnetic suction columns 4 to rotate;

step four: the plurality of rotary magnetic suction columns 4 are electrified to fully adsorb the metal in the soil;

step five: the soil remediation agent respectively flows into the magnetic attraction columns 4 which rotate to the lower part, and is thrown into the soil under the driving of the rotation of the magnetic attraction columns 4 to remediate the soil.

The working principle of the soil remediation system and the remediation method of the invention is as follows: when the device is used, the hose on the box body filled with the soil remediation agent is connected with the hollow cylinder 3, the soil remediation agent flows into the hollow cylinder 3 through the hose, the underframe 1 is moved to the position of soil to be remedied, the hollow cylinder 3 is driven to move downwards through the rotation adjusting piece 7, the plurality of magnetic absorption columns 4 move downwards and are inserted into the soil, the first motor 202 is started to drive the gear 301 to rotate while the underframe 1 moves forwards, the gear 301 drives the hollow cylinder 3 and the plurality of magnetic absorption columns 4 to rotate, the plurality of rotary magnetic absorption columns 4 are electrified to fully absorb metal in the soil, the plurality of rotary magnetic absorption columns 4 can break up caked soil, the metal can be fully separated from the soil, the metal can be absorbed and removed by the plurality of magnetic absorption columns 4 more thoroughly, the soil remediation agent in the hollow cylinder 3 can automatically flow into the magnetic absorption columns 4 below under the action of gravity, the magnetic attraction columns 4 which rotate to the lower part are filled with the soil remediation agent, the magnetic attraction columns 4 which rotate to the lower part throw the soil remediation agent into the scattered soil to restore the soil, meanwhile, the soil remediation agent can react with the scattered soil more fully, the restoring effect is better, and after the magnetic attraction columns 4 are powered off, metal on the surfaces of the magnetic attraction columns 4 falls off.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a soil remediation system, includes chassis (1), pivot (2), barrel rack (201), first motor (202), gear (203), hollow section of thick bamboo (3), gear (301), magnetism inhale post (4) and rotate adjusting part (7), its characterized in that: the rotating shaft (2) is arranged on the underframe (1), the middle part of the rotating shaft (2) is fixedly connected with two barrel frames (201), a first motor (202) is fixedly connected onto one barrel frame (201) through a motor frame, a gear (203) is fixedly connected onto an output shaft of the first motor (202), a hollow barrel (3) is rotatably connected onto the two barrel frames (201), a gear (301) is fixedly connected onto the hollow barrel (3), the gear (203) is in meshing transmission connection with the gear (301), a plurality of magnetic absorption columns (4) are uniformly arranged on the hollow barrel (3) in a surrounding manner, and the magnetic absorption columns (4) are communicated with the hollow barrel (3); the magnetic attraction column (4) and the gear (301) are positioned between the two barrel racks (201); the rotating shaft (2) is connected with one end of the rotating adjusting piece (7), and the other end of the rotating adjusting piece (7) is arranged on the underframe (1).

2. A soil remediation system according to claim 1, wherein: a soil remediation system still include magnetism and inhale a section of thick bamboo I (5) and magnetism and inhale a section of thick bamboo II (6), magnetism inhales II (6) fixed connection in the one end of hollow section of thick bamboo (3), the inside fretwork of magnetism inhale a section of thick bamboo I (5), magnetism inhales a section of thick bamboo I (5) fixed connection and communicates the other end at hollow section of thick bamboo (3).

3. A soil remediation system according to claim 2, wherein: the soil remediation system further comprises two scraping rings (8), wherein the two scraping rings (8) are connected to two ends of the hollow cylinder (3) in a sliding fit mode respectively, and the two cylinder frames (201) are located between the two scraping rings (8).

4. A soil remediation system according to claim 3, wherein: the soil remediation system further comprises second motors (801), screw rods (802), edge blocks (803), guide rods (804) and scraping ring frames (805), the two second motors (801) are fixedly connected to the two barrel frames (201) through the motor frames respectively, output shafts of the two second motors (801) are connected with one screw rod (802) through couplings respectively, the outer ends of the two screw rods (802) are connected with one edge block (803) in a rotating mode respectively, the two guide rods (804) are fixedly connected to the two edge blocks (803) respectively, the two scraping ring frames (805) are connected to the two screw rods (802) through threaded matching respectively, the two scraping ring frames (805) are connected with the two guide rods (804) in a sliding fit mode respectively, and the two scraping rings (8) are fixedly connected to the two scraping ring frames (805) respectively.

5. A soil remediation system according to claim 4, wherein: the soil remediation system further comprises an edge block (204), a sliding rod (205) and an electric push rod (206); two ends of the rotating shaft (2) are respectively rotatably connected with one edge block (204), the two edge blocks (204) are respectively connected onto one sliding rod (205) in a sliding fit mode, the two sliding rods (205) are respectively and fixedly connected to two ends of the bottom frame (1), the two sliding rods (205) are respectively and fixedly connected with one electric push rod (206), and the telescopic ends of the two electric push rods (206) are respectively and fixedly connected onto the two edge blocks (204).

6. A soil remediation system according to claim 5, wherein: the soil remediation system further comprises a bar frame (207) and a pole (208); the rotary adjusting piece (7) comprises a base (701), a trapezoidal strip (702), a sliding block (703), a lead screw (704), a third motor (705) and an articulated arm (706); two ends of a column rod (208) are fixedly connected with a rod frame (207) respectively, the two rod frames (207) are fixedly connected to the middle of a rotating shaft (2), two ends of an articulated arm (706) are rotatably connected with the column rod (208) and a sliding block (703) respectively, the sliding block (703) is connected to a lead screw (704) in a threaded fit manner, the lead screw (704) is connected to an output shaft of a third motor (705) through a coupler, the third motor (705) is fixedly connected to a base (701) through a motor frame, a trapezoidal strip (702) is fixedly connected to the base (701), and the sliding block (703) slides and is connected to the trapezoidal strip (702); two ends of the base (701) are respectively and fixedly connected to the two edge blocks (204).

7. A soil remediation system according to claim 6, wherein: the soil remediation system further comprises an L-shaped frame (104) and a vertical rod (105), wherein the L-shaped frame (104) is fixedly connected to the bottom frame (1), the vertical rod (105) is fixedly connected to the L-shaped frame (104), and the rear end of the base (701) is connected to the vertical rod (105) in a sliding fit mode.

8. A soil remediation system according to claim 7, wherein: the soil remediation system further comprises rollers (101), screw seats (102) and a hand lever (103), wherein the four rollers (101) are rotatably connected to the lower end of the bottom frame (1), the screw seats (102) are fixedly connected to the rear end of the bottom frame (1), and the hand lever (103) is fixedly connected to the screw seats (102).

9. A method of remediating soil using a soil remediation system as recited in claim 8, wherein: the method comprises the following steps:

the method comprises the following steps: the right end of the magnetic suction cylinder I (5) is connected with a hose on a box filled with a soil repairing agent, and the soil repairing agent flows into the hollow cylinder (3) through the magnetic suction cylinder I (5);

step two: the underframe (1) is moved to the position of soil to be restored, and the hollow cylinder (3) is driven to move downwards by rotating the adjusting piece (7), so that the plurality of magnetic suction columns (4) are inserted into the soil;

step three: the chassis (1) moves forwards, and simultaneously the first motor (202) is started to drive the hollow cylinder (3) and the magnetic attraction columns (4) to rotate;

step four: a plurality of rotary magnetic attraction columns (4) are electrified to fully adsorb metal in the soil;

step five: the soil remediation agent flows into the magnetic attraction columns (4) which rotate to the lower part respectively, and is thrown into the soil under the driving of the rotation of the magnetic attraction columns (4) to remediate the soil.