CN111841763A

CN111841763A - Contaminated soil remediation experimental method

Info

Publication number: CN111841763A
Application number: CN202010682154.9A
Authority: CN
Inventors: 梁亚; 夏鹏宇; 沈金鹏
Original assignee: Anhui Huangjingli Agricultural Technology Co ltd
Current assignee: Anhui Huangjingli Agricultural Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-10-30

Abstract

The invention relates to the technical field of soil remediation, in particular to a contaminated soil remediation experimental method, wherein an experimental device used in the experimental method comprises a blanking structure, a crushing mechanism, a screening structure, a swinging mechanism and a material pushing structure, wherein the blanking structure is arranged on the upper side of the screening structure, the crushing mechanism is arranged in the blanking structure, the swinging mechanism is arranged on the screening structure, the material pushing structure is arranged on the swinging mechanism, the blanking structure comprises a blanking barrel, a feeding hole, a feeding bin, an upper gathering cover, a fixed rod and a connecting ring, the outer wall of the upper part of the blanking barrel is provided with the feeding hole, the feeding bin is welded on one side of the feeding hole and is positioned on the outer wall of the blanking barrel, soil enters the blanking barrel from the feeding hole through the blanking structure and the crushing mechanism, a motor is started to drive a rotating rod to rotate at a high speed, and drive a movable pendulum bob to collide, the caked soil is loosened and falls on the fixed rod, and the caked soil also has a crushing effect.

Description

Contaminated soil remediation experimental method

Technical Field

The invention relates to the technical field of soil remediation, in particular to a contaminated soil remediation experimental method.

Background

The polluted soil remediation is a technical measure which reduces the concentration (activity) of soil pollutants by using physical, chemical, biological and ecological principles and adopting artificial regulation and control measures to realize the harmlessness and stabilization of the pollutants so as to achieve the detoxification effect expected by people.

Wherein, the mode of utilizing chemistry to keep away from administering soil pollution can not only be restoreed shallow soil, also can restore deep soil after chemical solution infiltration soil, thereby can furthest prevent the pollutant to get into the food chain, current contaminated soil restores the laboratory and lacks relevant soil treatment equipment, when detecting the effective effect of chemical solution to contaminated soil, need will refine loose soil and chemical agent and mix, if soil contains a large amount of impurity and wastes material, can seriously influence the testing data, and the mode amount of labour that the tradition adopted artifical screening is big, be unfavorable for the experiment to go on.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an experimental method for repairing contaminated soil.

The technical scheme adopted by the invention for solving the technical problems is as follows: a contaminated soil remediation experimental method comprises the following steps:

s1, adding the soil for the remediation experiment into an experimental device, and enabling the caked soil to fall onto a fixed rod through the collision between the high-speed rotation of a pendulum bob and the soil in the falling process so as to crush the soil together;

s2, the soil crushed in the S1 falls into a crushing box of the experimental device, and impurities with different particle sizes in the soil are screened out by a rough separating rod and a fine separating rod in the crushing box, so that the effective content of soil particles in the screened-out materials is ensured;

s3, driving the material pushing structure to pull out the impurities on the rough branch rods and the fine branch rods in the reciprocating motion process of the sliding plate of the experimental device by the impurities screened in the S2, and avoiding the breakdown of the experimental device caused by the blockage of the screening structure;

s4, discharging the impurities separated from S3 from the material separating ports on the two sides of the crushing box, respectively collecting the impurities, and primarily separating the impurities polluting the soil, so as to facilitate the post-treatment of soil pollutants;

Wherein, the experimental apparatus in S1-S4 include blanking structure, rubbing crusher construct, screening structure, toward pendulum mechanism and pushing equipment, blanking structrual installation is at the upside of screening structure, install rubbing crusher construct in the blanking structure, screening is structural installs toward pendulum mechanism, toward installing pushing equipment on the pendulum mechanism.

The blanking structure comprises a blanking barrel, a feeding hole, a feeding bin, an upper gathering cover, a fixing rod and a connecting ring, wherein the feeding hole is formed in the outer wall of the upper portion of the blanking barrel, the feeding bin is welded to one side of the feeding hole and the outer wall of the blanking barrel, the upper gathering cover is fixedly connected to the lower side of the blanking barrel, the connecting ring is arranged in the blanking barrel, and the fixing rod is fixedly connected to the inner wall of the connecting ring and the inner wall of the blanking barrel.

The utility model discloses a crushing mechanism, crushing mechanism includes a motor, motor mount, fixed cover, activity pendulum, bracing piece and backup pad, motor mount screw fixation is at the upside of blanking section of thick bamboo, install a motor in the motor mount, the output shaft of a motor passes blanking section of thick bamboo top wall fixedly connected with bull stick, the bottom of bull stick is rotated through the bearing and is connected with the backup pad, the three bracing piece of fixedly connected with between backup pad outer wall and the blanking section of thick bamboo inner wall, a plurality of fixed covers of outside fixedly connected with of bull stick, the equal equidistance in the outside of fixed cover is equipped with three activity pendulum.

Specifically, the screening structure comprises a crushing box, linear sliding grooves, linear sliding rails, a material distributing opening, a first inclined groove, a rough distributing rod, a fine distributing rod, a lower material collecting cover, a second inclined groove and support legs, wherein the crushing box is fixedly connected to the lower side of the blanking barrel, the two linear sliding grooves are respectively formed in the two sides of the crushing box, the two linear sliding rails are fixedly connected between the two linear sliding grooves and on the side wall of the crushing box, the two material distributing openings are respectively formed in the other two sides of the crushing box, the second inclined groove is welded on one side of the material distributing opening and on the side wall of the crushing box, the support legs are fixedly connected to the four corners of the lower side of the crushing box, the second inclined groove is welded in the middle of the lower side of the crushing box, the lower material collecting cover is embedded above the second inclined groove and on the bottom wall of the crushing box, the plurality of fine distributing rods are arranged above the lower material collecting cover, and the two ends of the fine distributing rods are, the top of subdividing the pole is equipped with a plurality of thick branches pole, thick branch pole all with smash the inner wall fixed connection of case.

Specifically, the swinging mechanism comprises a second motor, a first belt pulley, a transmission belt, a second belt pulley, a transmission chain wheel, a transmission chain, a deflector rod, a sliding plate, a vertical chute, a rotating shaft, a driving clamping plate and a limiting clamping plate, wherein the second motor is fixed on one side of the crushing box by a screw, the output shaft of the second motor is fixedly connected with the first belt pulley, two rotating shafts are arranged in the crushing box, two ends of each rotating shaft penetrate through the crushing box and are fixedly connected with the transmission chain wheel, the transmission chain is connected between every two adjacent transmission chain wheels in a transmission way, the deflector rod is welded on one chain link in the transmission chain, one of the transmission chain wheels is fixedly connected with the second belt pulley, the transmission belt is connected between the first belt pulley and the second belt pulley in a transmission way, the two sliding plates are respectively positioned on two sides of the crushing box, the equal fixedly connected with of one side of crushing case, two of slide is close two spacing splint of spacing splint, two just be located between the spacing splint and smash the incasement and be equipped with four drive splint, the straight line spout and the spacing splint fixed connection of both sides are passed respectively at the both ends of drive splint.

The material pushing structure comprises a vertical rod, a horizontal rod, two vertical rods, two horizontal rods and three vertical rods, the horizontal rod and the two horizontal rods are arranged in parallel, the two vertical rods are fixedly connected to one side of the two horizontal rods, the two horizontal rods are fixedly connected to one side of the two horizontal rods, the three vertical rods are fixedly connected to one side of the two horizontal rods, the two vertical rods are fixedly connected between the two vertical rods, the horizontal rod is located above the rough branch rod, and the two horizontal rods are located above the fine branch rod.

Specifically, the linear slide rail and the limiting clamping plate are both connected with the sliding plate in a sliding mode, and the two shifting rods are located in the two vertical sliding grooves respectively.

Specifically, a plurality of the second vertical rods and a plurality of the rough sub-rods are arranged at intervals in sequence, and a plurality of the third vertical rods and a plurality of the sub-rods are arranged at intervals in sequence.

The invention has the beneficial effects that:

(1) according to the experimental method for repairing the polluted soil, the soil enters the blanking barrel from the feeding hole through the arrangement of the blanking structure and the crushing mechanism, the motor is started to drive the rotating rod to rotate at a high speed, the movable pendulum bob is further driven to rotate at a high speed, the movable pendulum bob collides with the falling soil in the blanking barrel, the caked soil is loosened and falls onto the fixed rod, the same crushing effect is achieved, the caked soil can be crushed quickly, the crushing process of the soil is simplified, and the physical force of experimenters can be effectively reduced.

(2) According to the experimental method for repairing the polluted soil, the crushed soil enters the crushing box from the outlet end of the blanking cylinder through the arrangement of the screening structure, the forward swinging mechanism and the material pushing structure, and impurities with larger volume are as follows: the stone, plastics, metal etc. are all by thick minute pole and segmentation pole separation, soil piece and particulate matter can pass thick minute pole and segmentation pole and fall to gathering down in the material cover, can isolate the hard impurity in the soil, the soil that refines that obtains more does benefit to soil remediation detects and experimental operation, driving splint can promote the swing of pushing equipment, No. two montants can clear away the bold impurity of separation between the adjacent thick minute pole, No. three montants can clear away the fritter impurity between the adjacent thin minute pole, thereby avoid the obstructed problem of thick minute structure and segmentation structure, need not artifical clearance, also make equipment operation more stable.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of an experimental method for remediation of contaminated soil according to the present invention;

FIG. 2 is an external view of an experimental apparatus for remediating contaminated soil according to the present invention;

FIG. 3 is a cross-sectional view of an experimental apparatus for remediation of contaminated soil according to the present invention;

FIG. 4 is a top sectional view of a charging barrel in the experimental apparatus for remediating contaminated soil according to the present invention;

FIG. 5 is a schematic view of a connection structure between a pushing structure and a driving clamp plate in the experimental apparatus for repairing contaminated soil according to the present invention;

FIG. 6 is a schematic diagram of a material pushing structure in the experimental apparatus for repairing contaminated soil according to the present invention;

in the figure: 1. a blanking structure; 11. a discharging barrel; 12. a feed inlet; 13. feeding into a storage bin; 14. a feeding and gathering cover; 15. fixing the rod; 16. a connecting ring; 2. a crushing mechanism; 21. a first motor; 22. a motor fixing frame; 23. fixing a sleeve; 24. a movable pendulum bob; 25. a support bar; 26. a support plate; 27. a rotating rod; 3. screening the structure; 31. a crushing box; 32. a linear chute; 33. a linear slide rail; 34. a material distributing port; 35. a first inclined groove; 36. roughly dividing the rods; 37. a subdividing rod; 38. a lower gathering cover; 39. a second inclined groove; 310. a support leg; 4. a swinging mechanism; 41. a second motor; 42. a first belt pulley; 43. a drive belt; 44. a second belt pulley; 45. a drive sprocket; 46. a drive chain; 47. a deflector rod; 48. a slide plate; 49. a vertical chute; 410. a rotating shaft; 411. driving the clamping plate; 412. a limiting clamp plate; 5. a material pushing structure; 51. a first vertical rod; 52. a first cross bar; 53. a second vertical bar; 54. a second cross bar; 55. the third is a vertical rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the experimental method for repairing contaminated soil according to the present invention comprises the following steps:

s1, adding the soil for the remediation experiment into the experimental device, and crushing the soil together by enabling the caked soil to fall onto the fixing rod 15 through the collision between the pendulum bob 24 and the soil in the falling process through the high-speed rotation of the pendulum bob;

s2, the soil crushed in the S1 falls into a crushing box 31 of the experimental device, and impurities with different particle sizes in the soil are screened out by a rough separating rod 36 and a fine separating rod 37 in the crushing box 31, so that the effective content of soil particles in the screened-out materials is ensured;

s3, driving the material pushing structure 5 to pull out the impurities on the rough separating rod 36 and the fine separating rod 37 in the reciprocating motion process of the sliding plate 24 of the experimental device by the impurities screened in the S2, and avoiding the breakdown of the experimental device caused by the blockage of the screening structure;

s4, discharging the impurities separated from S3 from the material separating ports 34 on the two sides of the crushing box 31, respectively collecting the impurities, and primarily separating the impurities in the polluted soil, so that the post treatment of the soil pollutants is facilitated;

Wherein, S1-S4 the experimental apparatus include blanking structure 1, rubbing crusher structure 2, screening structure 3, toward pendulum mechanism 4 and pushing equipment 5, blanking structure 1 installs the upside at screening structure 3, install rubbing crusher structure 2 in the blanking structure 1, install toward pendulum mechanism 4 on the screening structure 3, toward installing pushing equipment 5 on pendulum mechanism 4, broken soil is come by blanking structure 1 and rubbing crusher structure 2 mutually supporting, by screening structure 3, toward pendulum mechanism 4 and pushing equipment 5 mutually supporting screening soil, can effectively reduce experimenter' S physical expenditure, and after the soil segmentation, can separate out the hard impurity in the soil, the soil that obtains refines more does benefit to the prosthetic detection of soil and experimental operation.

Specifically, blanking structure 1 includes blanking section of thick bamboo 11, feed inlet 12, pan feeding storehouse 13, goes up and gathers material cover 14, dead lever 15 and go-between 16, blanking section of thick bamboo 11's upper portion outer wall is equipped with feed inlet 12, one side of feed inlet 12 and the welding that is located blanking section of thick bamboo 11 outer wall have into feed bin 13, blanking section of thick bamboo 11's downside fixedly connected with goes up and gathers material cover 14, be equipped with a plurality of go-between 16 in the blanking section of thick bamboo 11, the three dead lever 15 of equal fixedly connected with between go-between 16 and the 11 inner walls of blanking section of thick bamboo, caking soil falls to dead lever 15 on, has the crushing.

Specifically, the crushing mechanism 2 comprises a motor 21, a motor fixing frame 22, a fixing sleeve 23, a movable pendulum 24, a support rod 25 and a support plate 26, the motor fixing frame 22 is fixed on the upper side of the blanking barrel 11 through screws, the motor 21 is installed in the motor fixing frame 22, an output shaft of the motor 21 penetrates through the top wall of the blanking barrel 11 and is fixedly connected with a rotating rod 27, the bottom end of the rotating rod 27 is rotatably connected with the support plate 26 through a bearing, three support rods 25 are fixedly connected between the outer wall of the support plate 26 and the inner wall of the blanking barrel 11, a plurality of fixing sleeves 23 are fixedly connected on the outer side of the rotating rod 27, three movable pendulums 24 are arranged at equal intervals on the outer side of each fixing sleeve 23, the motor 21 is started to drive the rotating rod 27 to rotate at high speed, and then the movable pendulum 24 is driven to rotate at high speed, and the, loosening the caked soil.

Specifically, screening structure 3 includes crushing case 31, straight line spout 32, linear slide rail 33, divides material mouthful 34, an inclined groove 35, divides pole 36, segmentation pole 37, gathers material cover 38, No. two inclined grooves 39 and stabilizer blade 310 down, crushing case 31 fixed connection is in the downside of blanking section of thick bamboo 11, two straight line spouts 32 have all been seted up to the both sides of crushing case 31, two between the straight line spout 32 and lie in two linear slide rails 33 of fixedly connected with on the crushing case 31 lateral wall, two branch material mouths 34 have all been seted up to the other both sides of crushing case 31, it has No. two inclined grooves 39 all to weld on one side of branch material mouth 34 and lie in crushing case 31 lateral wall, the equal fixedly connected with stabilizer blade 310 in downside four corners of crushing case 31, the welding of the downside middle part of crushing case 31 has No. two inclined grooves 39, No. two inclined grooves 39's top just lies in and inlays on the crushing case 31 diapire and is equipped with down and gathers material cover 38, gather down the top of expecting cover 38 and be equipped with a plurality of carefully divide pole 37, finely divide the both ends of pole 37 all with the inner wall fixed connection who smashes case 31, finely divide the top of pole 37 to be equipped with a plurality of thick poles 36, thick pole 36 all with the inner wall fixed connection who smashes case 31, the great impurity of volume if: stones, plastics, metals and the like are blocked on the upper side of the rough separation rod 36, impurities with small volume can be blocked by the fine separation rod 37 on the lower layer, soil debris and particulate matters can fall into the lower aggregate cover 38 through the rough separation rod 36 and the fine separation rod 37 and are discharged and collected from the second inclined groove 39.

Specifically, the forward swing mechanism 4 includes a second motor 41, a first belt pulley 42, a transmission belt 43, a second belt pulley 44, a transmission chain wheel 45, a transmission chain 46, a shift lever 47, a sliding plate 48, a vertical sliding groove 49, a rotating shaft 410, a driving clamping plate 411 and a limiting clamping plate 412, the second motor 41 is screwed and fixed on one side of the crushing box 31, the first belt pulley 42 is fixedly connected to an output shaft of the second motor 41, two rotating shafts 410 are arranged in the crushing box 31, two ends of each rotating shaft 410 penetrate through the crushing box 31 and are fixedly connected with the transmission chain wheel 45, the transmission chain 46 is in transmission connection between the adjacent transmission chain wheels 45, the shift lever 47 is welded on a chain link in the transmission chain 46, one of the transmission chain wheels 45 is fixedly connected with the second belt pulley 44, and the transmission belt 43 is in transmission connection between the first belt pulley 42 and the second belt pulley 44, two slide 48 is located the both sides of smashing case 31 respectively, all be equipped with vertical spout 49 in slide 48, slide 48 is close two spacing splint 412 of the equal fixedly connected with in one side of smashing case 31, two just be located and smash and be equipped with four drive splint 411 between the spacing splint 412, the straight line spout 32 and the spacing splint 412 fixed connection of both sides are passed respectively at the both ends of drive splint 411, and drive splint 411 can promote the swing of pushing equipment 5, and the bold impurity of separation between adjacent thick minute pole 36 can be clear away to No. two montant 53, and the fritter impurity between adjacent minute pole 37 can be clear away to No. three montant 55 to avoid thick minute structure and the obstructed problem of subdivision structure.

Concretely, pushing materials structure 5 includes montant 51, a horizontal pole 52, No. two montants 53, No. two horizontal poles 54 and No. three montants 55, horizontal pole 52 and No. two horizontal poles 54 parallel arrangement each other, No. two montants 51 of one side fixedly connected with of No. two horizontal poles 54 are kept away from to a horizontal pole 52, No. two horizontal poles 54 keep away from a plurality of montants 55 No. three of one side fixedly connected with of horizontal pole 52, a plurality of montants 53 of fixedly connected with between montant 51 and No. three montants 55, horizontal pole 52 is located the top of thick minute pole 36, No. two horizontal poles 54 are located the top of thin minute pole 37, can with toward pendulum mechanism 4 mutually supporting.

Specifically, the linear slide rail 33 and the limiting clamping plate 412 are both connected with the sliding plate 48 in a sliding manner, the two shift levers 47 are respectively located in the two vertical sliding grooves 49, and the shift levers 47 shift the sliding plate 48 in a reciprocating manner in the vertical sliding grooves 49.

Specifically, a plurality of No. two montants 53 and a plurality of thick minute pole 36 interval in proper order set up, and is a plurality of No. three montants 55 and a plurality of thin minute pole 37 interval in proper order set up, and the interval between the adjacent thick minute pole 36 is greater than the interval between the adjacent thin minute pole 37.

When using, mutually support by blanking structure 1 and rubbing crusher structure 2 and come broken soil, by screening structure 3, toward pendulum mechanism 4 and pushing away material structure 5 mutually support and sieve soil, can effectively reduce experimenter's physical expenditure, and the soil segmentation back, can separate out the hard impurity in the soil, the soil that refines that obtains more does benefit to the prosthetic detection of soil and experimental operation, the operating procedure is: to dropping into in the pan feeding storehouse 13 and wait to detect soil, soil gets into blanking section of thick bamboo 11 from feed inlet 12, a motor 21 starts, it rotates at a high speed to drive bull stick 27, and then drive the high-speed rotation of movable pendulum 24, the soil collision of whereabouts in movable pendulum 24 and the blanking section of thick bamboo 11, it is loose to make caking soil, and caking soil falls to dead lever 15 on, the crushing effect has equally, can be fast with caking soil breakage, the broken flow of soil has been simplified, soil after the breakage gets into crushing case 31 from the exit end of blanking section of thick bamboo 11, wherein, the great impurity of volume is as: stones, plastics, metals and the like are blocked at the upper side of the rough branch rod 36, impurities with small volume can be blocked by the fine branch rod 37 at the lower layer, soil fragments and particles can fall into the lower material gathering cover 38 through the rough branch rod 36 and the fine branch rod 37 and are discharged and collected from the second inclined groove 39, the second motor 41 runs and can drive the transmission chain wheel 45 to rotate after being transmitted by the transmission belt 43, the driving rod 47 on the transmission chain 46 can rotate circularly along with the transmission chain 46, the driving rod 47 can shift the sliding plate 48 in the vertical sliding groove 49 in a reciprocating manner, the upper end and the lower end of the material pushing structure 5 are positioned between the adjacent driving clamping plates 411, the distance between the adjacent rough branch rods 36 is larger than the distance between the adjacent fine branch rods 37, when the sliding plate 48 slides in a reciprocating manner, the driving clamping plate 411 can push the material pushing structure 5 to swing, the second vertical rod 53 can clear large impurities blocked between the adjacent rough branch rods 36, and the third vertical rod 55 can clear small impurities between the adjacent fine branch rods 37, thereby avoid the obstructed problem of coarse branch structure and subdivision structure, need not artifical clearance, also make equipment operation more stable, the impurity that is pushed out is slowly discharged from the branch material mouth 34 of smashing case 31 both sides, then collect through the gathering of a tip tank 35, this contaminated soil restoration experimental method can screen out the impurity in the soil, can make soil structure obtain refining, make things convenient for soil post processing, the mixed solution that more does benefit to soil detection plays a role, the trouble of artifical screening has been avoided.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A contaminated soil remediation experimental method is characterized by comprising the following steps:

s1, adding the soil for the remediation experiment into an experimental device, and crushing the soil together by enabling the agglomerated soil to fall onto a fixed rod (15) through the collision between the pendulum bob (24) and the soil in the falling process;

s2, the soil crushed in the S1 falls into a crushing box (31) of the experimental device, and impurities with different particle sizes in the soil are screened out by a rough separation rod (36) and a fine separation rod (37) in the crushing box (31) to ensure the effective content of soil particles in the screened-out materials;

s3, driving the material pushing structure (5) to pull out the impurities on the rough separating rod (36) and the fine separating rod (37) in the reciprocating motion process of the sliding plate (24) of the experimental device by the impurities screened in the S2, and avoiding the shutdown of the experimental device caused by the blockage of the screening structure;

S4, discharging the impurities separated from S3 from the material separating ports (34) at two sides of the crushing box (31), respectively collecting the impurities, and preliminarily separating the impurities polluting the soil so as to facilitate the post-treatment of the soil pollutants;

wherein, the experimental apparatus in S1-S4 include blanking structure (1), rubbing crusher structure (2), screening structure (3), toward pendulum mechanism (4) and pushing equipment (5), the upside at screening structure (3) is installed in blanking structure (1), install rubbing crusher structure (2) in blanking structure (1), install toward pendulum mechanism (4) on screening structure (3), toward installing pushing equipment (5) on pendulum mechanism (4).

2. The experimental method for remediating contaminated soil as set forth in claim 1, wherein: blanking structure (1) includes blanking cylinder (11), feed inlet (12), pan feeding storehouse (13), goes up and gathers material cover (14), dead lever (15) and go-between (16), the upper portion outer wall of blanking cylinder (11) is equipped with feed inlet (12), one side of feed inlet (12) just is located blanking cylinder (11) outer wall welding and has goes into feed bin (13), gather material cover (14) on the downside fixedly connected with of blanking cylinder (11), be equipped with a plurality of go-between (16) in blanking cylinder (11), equal three dead lever (15) of fixedly connected with between go-between (16) and blanking cylinder (11) inner wall.

3. The experimental method for remediating contaminated soil as set forth in claim 1, wherein: rubbing crusher constructs (2) including a motor (21), motor mount (22), fixed cover (23), activity pendulum (24), bracing piece (25) and backup pad (26), motor mount (22) screw fixation is at the upside of charging barrel (11) that falls, install a motor (21) in motor mount (22), the output shaft of a motor (21) passes charging barrel (11) roof fixedly connected with bull stick (27), the bottom of bull stick (27) is rotated through the bearing and is connected with backup pad (26), three bracing piece (25) of fixedly connected with between backup pad (26) outer wall and the charging barrel (11) inner wall that falls, a plurality of fixed covers (23) of outside fixedly connected with of bull stick (27), the equal equidistance in the outside of fixed cover (23) is equipped with three activity pendulum (24).

4. The experimental method for remediating contaminated soil as set forth in claim 1, wherein: the screening structure (3) comprises a crushing box (31), linear sliding grooves (32), linear sliding rails (33), material distributing ports (34), a first inclined groove (35), a rough distributing rod (36), a fine distributing rod (37), a lower material collecting cover (38), a second inclined groove (39) and support legs (310), the crushing box (31) is fixedly connected with the lower side of the blanking barrel (11), two linear sliding grooves (32) are respectively arranged on two sides of the crushing box (31), two linear sliding rails (33) are fixedly connected between the two linear sliding grooves (32) and positioned on the side wall of the crushing box (31), two material distributing ports (34) are respectively arranged on the other two sides of the crushing box (31), two inclined grooves (39) are respectively welded on one side of each material distributing port (34) and positioned on the side wall of the crushing box (31), and the support legs (310) are respectively and fixedly connected with four corners of the lower side of the crushing box (31), the welding of the downside middle part of smashing case (31) has No. two tip chutes (39), the top of No. two tip chutes (39) just is located to inlay on smashing case (31) diapire and is equipped with down and gathers material cover (38), the top of gathering material cover (38) down is equipped with a plurality of subdivision poles (37), the both ends of subdivision pole (37) all with the inner wall fixed connection who smashes case (31), the top of subdivision pole (37) is equipped with a plurality of thick branch poles (36), thick branch pole (36) all with the inner wall fixed connection who smashes case (31).

5. The experimental method for remediating contaminated soil as set forth in claim 1, wherein: the forward swing mechanism (4) comprises a second motor (41), a first belt pulley (42), a transmission belt (43), a second belt pulley (44), a transmission chain wheel (45), a transmission chain (46), a shifting rod (47), a sliding plate (48), a vertical sliding groove (49), a rotating shaft (410), a driving clamping plate (411) and a limiting clamping plate (412), wherein the second motor (41) is fixed on one side of the crushing box (31) through screws, the first belt pulley (42) is fixedly connected to an output shaft of the second motor (41), two rotating shafts (410) are arranged in the crushing box (31), two ends of each rotating shaft (410) penetrate through the crushing box (31) and are fixedly connected with the transmission chain wheel (45), the transmission chain (46) is connected between every two adjacent transmission chain wheels (45), the shifting rod (47) is welded on one chain link in the transmission chain (46), and the second belt pulley (44) is fixedly connected to one transmission chain wheel (45), a transmission is connected with driving belt (43), two between belt pulley (42) and No. two belt pulleys (44) slide (48) are located the both sides of smashing case (31) respectively, all be equipped with vertical spout (49) in slide (48), slide (48) are close two spacing splint (412) of the equal fixedly connected with in one side of smashing case (31), two just be located and smash and be equipped with four drive splint (411) between spacing splint (412), the both ends of drive splint (411) pass sharp spout (32) and spacing splint (412) fixed connection of both sides respectively.

6. The experimental method for remediating contaminated soil as set forth in claim 1, wherein: pushing material structure (5) include montant (51), horizontal pole (52), No. two montants (53), No. two horizontal poles (54) and No. three montants (55), horizontal pole (52) and No. two horizontal poles (54) parallel arrangement each other, montant (51) are two to one side fixedly connected with of No. two horizontal poles (54) are kept away from to horizontal pole (52), No. two a plurality of No. three montants (55) of one side fixedly connected with of horizontal pole (52) are kept away from to horizontal pole (54), a plurality of No. two montants (53) of fixedly connected with between montant (51) and No. three montants (55), horizontal pole (52) are located the top of thick minute pole (36), No. two horizontal poles (54) are located the top of minute pole (37).

7. The experimental method for remediating contaminated soil as set forth in claim 2, wherein: the linear slide rail (33) and the limiting clamping plate (412) are both connected with the sliding plate (48) in a sliding mode, and the two shifting rods (47) are respectively located in the two vertical sliding grooves (49).

8. The experimental method for remediating contaminated soil as set forth in claim 6, wherein: a plurality of No. two montants (53) and a plurality of thick branch pole (36) set up at interval in proper order, a plurality of No. three montant (55) and a plurality of thin branch pole (37) set up at interval in proper order.