CN211637714U

CN211637714U - Site pollution soil engineering soil replacement equipment

Info

Publication number: CN211637714U
Application number: CN201922193133.6U
Authority: CN
Inventors: 卢再亮; 陈其思; 王海峰
Original assignee: Chongqing Solid Waste Management Service Center Co ltd
Current assignee: Chongqing Solid Waste Management Service Center Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-10-09
Anticipated expiration: 2029-12-07

Abstract

The utility model relates to a ground pollutes soil engineering equipment of changing soil, it is including rotating bucket wheel, the soil prosthetic devices who connects in crawler travel mechanism, be used for in the bucket wheel soil transmission to soil prosthetic devices's conveyer belt one and be used for driving bucket wheel pivoted actuating mechanism two, soil prosthetic devices including be used for spraying the soil prosthetic solution spray the mechanism and be used for carrying out the rabbling to polluting soil the rabbling mechanism, the output that sprays the mechanism communicates in the contaminated soil input with the rabbling mechanism, crawler travel mechanism fixedly connected with is used for driving the first actuating mechanism who transmits of conveyer belt. The utility model discloses can be when removing relatively the preferred restore contaminated soil.

Description

Site pollution soil engineering soil replacement equipment

Technical Field

The utility model belongs to the technical field of soil repair equipment's technique and specifically relates to a place pollutes soil engineering and trades native equipment is related to.

Background

The soil resources in China are occupied seriously in the aspect of use, a large amount of pollutants enter the soil environment due to long-term production activities, great pressure is caused on the load purification capacity of the soil due to chemical pollution, industrial pollution and the like in the modernization process, and the ecology of the soil faces severe examination. The existing soil remediation technologies are mainly divided into engineering technology soil remediation, heat treatment technology remediation, chemical technology remediation and combined technology remediation. The chemical technology mainly comprises two technologies of photodegradation and chemical leaching, wherein the chemical leaching is to inject an extracting agent capable of dissolving or adsorbing pollutants in soil into the polluted soil under the action of external force. In the prior art, a carbon-based soil remediation agent has been developed, which can adjust the pH value of soil, adsorb and settle heavy metals and reduce the toxicity of heavy metal elements to plants. The using method comprises the following steps: uniformly mixing target soil and a repairing agent; spreading depth: 200-300 mm; the annual application amount per mu is recommended: 1-5 t (adjusted according to soil indexes); and (3) repairing cycle: for 3 years. However, this method is only suitable for highly permeable soils, such as aerated and permeable sandy loam and sandy soils with a high sand content in soil particles.

In order to solve the problem that the chemical spraying technology is relatively poor in soil remediation effect on water permeability, the Chinese patent with the publication number of CN208800542U discloses a mobile soil pollution on-site remediation device, which has the technical key points that: comprises a main box, a stirring box is fixedly connected on the left side of the top of the main box, a silencing cover is fixedly connected on the bottom of the inner wall of the main box, a first motor is fixedly connected on the bottom of the inner wall of the silencing cover, a movable rod is fixedly connected with an output shaft of the first motor, one end of the movable rod, far away from the first motor, penetrates through the silencing cover and extends to the outside of the silencing cover, a main gear is fixedly connected on the surface of one end, positioned on the outside of the silencing cover, of the movable rod, a driven gear is meshed with the surface of the main gear, a stirring rod is fixedly connected at the axis of the driven gear, the top end of the stirring rod penetrates through the stirring box and extends to the inside of the stirring box, a partition plate is fixedly connected between the top and the bottom of the inner wall of the main box, a support plate is fixedly connected between one side of the partition plate and the right side, and the right side fixedly connected with at connecting cylinder top drenches the washing head, one side fixedly connected with water tank at backup pad top, the top of backup pad just is located the right side fixedly connected with water pump of water tank, and the suction inlet intercommunication of water pump has the pipe that absorbs water, and the one end that the water pump was kept away from to the pipe that absorbs water runs through the inside of water tank and extend to the water tank, and the row mouth intercommunication of water pump has the drain pipe, and the one end that the water pump was kept away from to the drain pipe runs through the main.

The above prior art solutions have the following drawbacks: although this scheme is ploughed the soil and can restore contaminated soil through the shower nozzle through cutting the wheel, at the in-service use in-process, still relatively weak to the repair effect of the soil that hardens, the universal wheel is relatively not good enough at the transport capacity on unhardened ground simultaneously.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a ground pollutes soil engineering and trades native equipment, it can be when removing relatively the preferred restore contaminated soil.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

including crawler travel mechanism, connect in crawler travel mechanism's bucket wheel, soil prosthetic devices, be used for in the bucket wheel soil transmission to soil prosthetic devices's conveyer belt one and be used for driving bucket wheel pivoted actuating mechanism two including rotating, soil prosthetic devices including be used for spraying soil repair liquid spray the mechanism and be used for carrying out the rabbling to contaminated soil, the output that sprays the mechanism communicates in the contaminated soil input with rabbling mechanism, crawler travel mechanism fixedly connected with is used for driving a first actuating mechanism who carries out the transmission.

By adopting the technical scheme, when the soil remediation liquid is sprayed and remediated on the contaminated soil, the bucket wheel can be driven by the crawler travel mechanism to travel towards the front, meanwhile, the second driving mechanism drives the bucket wheel to rotate so that the polluted soil is transmitted to the first conveying belt through the bucket wheel, the polluted soil is conveyed to the soil remediation device through the first conveying belt, the stirring mechanism stirs the polluted soil and sprays the soil remediation agent out through the spraying mechanism, so that the soil remediation agent is primarily mixed with the contaminated soil, and then the soil remediation agent is relatively and fully mixed with the contaminated soil through the stirring mechanism, so that the soil repairing agent can repair the polluted soil relatively fully and rapidly, make the utility model discloses can do the restoration action to polluting soil at the in-process of walking, wherein actuating mechanism one can drive conveyer belt one and transmit and pollute soil.

The present invention may be further configured in a preferred embodiment as: the rabbling mechanism is including being upper and lower part open-ended agitator and being used for the stirring rake, the soil output end of conveyer belt one transmits soil to the agitator in through the upper portion opening of agitator, the stirring rake is vertical setting and its rotation and connects in the agitator, crawler travel mechanism fixedly connected with is used for driving the actuating mechanism three of stirring rake, the lower part opening fixedly connected with of agitator communicates the inside and outside piece that arranges earth in it.

Through adopting above-mentioned technical scheme, pollute soil and pass through in the conveyer belt conveys the agitator, the stirring is done to the contaminated soil to actuating mechanism three drive stirring rakes, can make the contaminated soil can be relatively more abundant mix with the soil restoration agent through the stirring rake to make the soil restoration agent better relatively to the repair effect of contaminated soil, the contaminated soil that has mixed the soil restoration agent simultaneously is discharged to ground through the piece of dumping.

The present invention may be further configured in a preferred embodiment as: the soil discharging piece is of a tubular structure and is obliquely arranged, a high-end flange of the soil discharging piece is connected to an opening in the lower portion of the stirring barrel, and the low end of the soil discharging piece faces the ground and the soil output end of the soil discharging piece is located behind the crawler traveling mechanism along the traveling direction.

Through adopting above-mentioned technical scheme, the piece of dumping is tubular structure and is the slope setting, can make and discharge through the piece of dumping towards ground under the effect of gravity from the interior exhaust soil of agitator to can arrange soil to the ground department after being excavated by the bucket wheel, so that the result of use is better relatively.

The present invention may be further configured in a preferred embodiment as: the spraying mechanism comprises a liquid medicine box fixedly connected to the crawler traveling mechanism, a liquid medicine pipe used for conveying liquid medicine and a plurality of spraying heads used for spraying the liquid medicine, the liquid medicine pipe is communicated with an output pump fixedly connected with the liquid medicine pipe, the spraying heads are located in the stirring barrel, and the liquid medicine output end of the spraying heads faces the upper opening of the stirring barrel.

By adopting the technical scheme, in the process of conveying the polluted soil into the stirring barrel, the soil remediation agent in the liquid medicine tank is output through the output pump, and is conveyed to the spray head through the liquid medicine pipe, and is sprayed out through the spray head, so that the soil remediation agent is preliminarily mixed with the polluted soil in the falling process.

The present invention may be further configured in a preferred embodiment as: be provided with between soil prosthetic devices and the conveyer belt one and be used for doing broken handle's broken mechanism to polluting soil, broken mechanism's input is located conveyer belt one under, broken mechanism's output communicates in the upper portion opening of agitator.

Through adopting above-mentioned technical scheme, because the restoration process needs make soil remediation agent and contaminated soil contact and play the repairing effect to contaminated soil comparatively slowly, consequently soil remediation agent is more abundant with the contaminated soil contact, the repair effect and repair cycle are shorter, for further make contaminated soil and soil remediation agent mix faster relatively, in order to accelerate the repair speed, can make the piece that pollutes soil and the effectual reduction of granule diameter that pollutes soil through broken mechanism, can make soil remediation agent and contaminated soil mix more abundant relatively, further optimize the repair effect.

The present invention may be further configured in a preferred embodiment as: the crushing mechanism is a single-roller crusher and can be driven by the first driving mechanism.

Through adopting above-mentioned technical scheme, because the broken for polluting soil, the relative great material of non-hardness, consequently relatively lower to broken dynamics requirement, use single roll crusher can satisfy can reduce space and the energy can be saved that crushing mechanism occupies when polluting the crushing effect of soil for the result of use is better relatively.

The present invention may be further configured in a preferred embodiment as: the first driving mechanism comprises a first engine, a first speed reducer and a first output sheave, a power input shaft of the first speed reducer is fixedly connected to a power output shaft of the first diesel engine, the first output sheave is fixedly connected to the power output shaft of the first speed reducer, the first sheave is a sheave with multiple sheaves, and the first sheave drives a driving roller of the first conveying belt and a crushing roller of the crushing mechanism to rotate through multiple belts respectively.

By adopting the technical scheme, when the crushing device is used, the clutch is matched with the first engine to start and then can transmit power to the first speed reducer, the output power of the first engine of the speed reducer is transmitted to the first grooved wheel after being decelerated and distance-increased, and the first grooved wheel drives the driving roller of the first conveying belt and the crushing roller of the crushing mechanism to rotate through different belts respectively.

The present invention may be further configured in a preferred embodiment as: the front end fixedly connected with of crawler travel mechanism is used for doing the support piece that supports to the fill wheel, the fill wheel is including rotating the rotation wheel that connects in support piece and a plurality of rounds of fill that encircle the rotation wheel and set up, the round fill is the pyramid structure, a lateral wall of round fill is on a parallel with the rotation plane of rotation wheel and with this lateral wall adjacent lateral wall fixed connection in the outer lane anchor ring of rotation wheel, the opening direction of round fill is towards the rotation direction of rotation wheel, the low side of conveyer belt one is located the round fill center and deviates from a side of the lateral wall that is on a parallel with rotation wheel rotation plane of round fill.

By adopting the technical scheme, the wheel buckets are fixedly connected with the crawler travelling mechanism through the supporting piece, when the crawler travelling mechanism is used, the rotating wheel ensures that the plurality of wheel buckets excavate the polluted ground respectively, the polluted soil is loaded in the wheel buckets through the wheel buckets, when the rotating wheel rotates, the wheel buckets are lifted to the upper side of the rotating wheel from the ground, the polluted soil is poured out through the opening of the wheel buckets, meanwhile, as the wheel buckets are in a quadrangular pyramid structure, one side wall of each wheel bucket is parallel to the rotating plane of the rotating wheel, and the side wall adjacent to the side wall is fixedly connected with the outer ring surface of the rotating wheel, when the polluted soil is poured out, the polluted soil can be guided to one side of the conveying belt under the guidance of the side wall of the previous wheel bucket along the rotating direction, so that the polluted soil scattered to the ground when the wheel buckets are poured out is reduced, and the polluted soil which is not mixed with the soil remediation agent is reduced, therefore, the repairing effect can be further optimized, and the using effect is relatively better.

The present invention may be further configured in a preferred embodiment as: and a guide plate is arranged between the adjacent wheel buckets, and two ends of the guide plate are respectively and fixedly connected to the side walls of the adjacent wheel buckets parallel to the rotating plane of the rotating wheel.

By adopting the technical scheme, the guide plate can further play a role in limiting and guiding the polluted soil poured out of the wheel bucket so as to further reduce the polluted soil scattered on the ground when the wheel bucket pours out the polluted soil, further reduce the polluted soil which is not mixed with the soil remediation agent and optimize the remediation effect.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the soil remediation liquid is sprayed and remediated on contaminated soil, the bucket wheel can be driven by the crawler traveling mechanism to travel towards the front direction, meanwhile, the bucket wheel is driven by the driving mechanism II to rotate so that the contaminated soil is transmitted to the first conveyor belt through the bucket wheel, the contaminated soil is transmitted to the soil remediation device through the first conveyor belt, the contaminated soil is stirred by the stirring mechanism and is sprayed out by the spraying mechanism, so that the soil remediation agent is primarily mixed with the contaminated soil, the soil remediation agent is relatively and sufficiently mixed with the contaminated soil through the stirring mechanism, the contaminated soil can be relatively and sufficiently and rapidly remediated by the soil remediation agent, and the first conveyor belt can be driven by the driving mechanism I to transmit the contaminated soil;

2. the crushing mechanism can further crush the soil conveyed by the first conveying belt, reduce the particle size of the polluted soil entering the stirring barrel, and reduce hardened soil blocks, so that the polluted soil can be further mixed with a soil repairing agent, and the repairing effect is further optimized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1, which is mainly used for showing a structure of a second driving mechanism.

Fig. 3 is a schematic diagram of a partial explosion structure of the present invention, which is mainly used for showing the soil remediation device.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 1, which is mainly used for showing the structure of a first driving mechanism.

In the figure, 1, a crawler belt walking mechanism; 11. a bucket wheel; 111. a rotating wheel; 112. a wheel hopper; 113. a guide plate; 12. a first driving mechanism; 121. a first engine; 122. a first speed reducer; 123. a first grooved wheel; 124. a first clutch; 125. a first belt; 126. a second belt; 13. a support member; 2. a soil remediation device; 21. a spraying mechanism; 211. a liquid medicine box; 212. a liquid medicine tube; 213. a shower head; 214. an output pump; 22. a stirring mechanism; 221. a stirring barrel; 222. a stirring paddle; 2221. a stirring shaft; 2222. a stirring blade; 23. a soil discharging member; 3. a first conveyor belt; 31. a second grooved wheel; 4. a second driving mechanism; 41. a second engine; 42. a second speed reducer; 43. a second driving shaft; 44. a second clutch; 5. a crushing mechanism; 51. a grooved pulley III; 6. and a third driving mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a ground pollutes soil engineering and trades native equipment, including crawler 1, rotate connect in the nucket-wheel 11 of crawler 1 front side, be used for restoreing the soil prosthetic devices 2 of soil, be used for transmitting the contaminated soil in the nucket-wheel 11 to the conveyer belt 3 of soil prosthetic devices 2 and be used for driving nucket-wheel 11 pivoted actuating mechanism two 4. Wherein the rotation plane of the bucket wheel 11 is parallel to the traveling direction of the crawler traveling mechanism 1 when traveling straight. The crawler walking mechanism 1 can be a crawler transport vehicle with the model of WT-5, and the lower part of the bucket wheel 11 can dig out the polluted soil and transmit the polluted soil to the first conveyor belt 3. When in use, the rotating bucket wheel 11 can

A support 13 for supporting the bucket wheel 11 is fixedly connected to the front side of the crawler 1, and the bucket wheel 11 includes a rotating wheel 111 rotatably connected to the support 13 and a plurality of buckets 112 disposed around the rotating wheel 111. The wheel bucket 112 is in a quadrangular pyramid structure and is open at the bottom end of the quadrangular pyramid, and one side wall of the wheel bucket 112 is parallel to the rotation plane of the rotating wheel 111 and is fixedly connected to the outer ring surface of the rotating wheel 111. The opening direction of the wheel bucket 112 is the same as the rotation direction of the rotating wheel 111.

A guide plate 113 for guiding soil to the first conveyor belt 3 is arranged between the adjacent wheel buckets 112, the guide plate 113 is parallel to the rotating plane of the rotating wheel 111, and the edge of the guide plate 113 is fixedly connected to the side wall of the rotating wheel 111 parallel to the rotating plane of the rotating wheel 111 and the outer ring surface of the rotating wheel 111. The first conveyor belt 3 is obliquely arranged, the lower end of the first conveyor belt 3 is positioned on the side, away from the guide plate 113, of the wheel bucket 112, and the lower end of the first conveyor belt 3 is positioned in the middle of the rotating wheel 111; the support member 13 has an i-beam structure.

The first conveying belt 3 is a belt conveyor, wherein the belt conveyor is a material conveying mechanism consisting of a rack, a conveying belt, a plurality of belt rollers, a tensioning device, a transmission device and the like, the plurality of belt rollers are respectively and rotatably connected to the upper wall surface, the lower wall surface and the two ends of the supporting piece 13, and the belt rollers rotatably connected to the high-end portion of the supporting piece 13 are driving rollers.

Referring to fig. 1 and 2, the second driving mechanism 4 includes a second engine 41 fixedly connected to a side of the support 13 away from the bucket wheel 11, a second speed reducer 42 for reducing the speed of the second engine 41, and a second clutch 44 disposed between the second engine 41 and the second speed reducer 42. The power input end of the second clutch 44 is fixedly connected with the flywheel of the second engine 41, and the power output end of the second clutch 44 is fixedly connected with the power input end of the second speed reducer 42, so that the second engine 41 can be started and overload protection can be realized. The rotating wheel 111 is provided with a second driving shaft 43 which is coaxial with the rotating wheel, the second driving shaft 43 penetrates through and is rotatably connected to the support 13, one end of the second driving shaft 43 is fixedly connected to a power output shaft of the second speed reducer 42, and the other end of the second driving shaft 43 is fixedly connected to the rotating wheel 111. Wherein the second decelerator 42 is fixedly connected to the supporting member 13.

Referring to fig. 1 and 3, the soil remediation device 2 includes a spraying mechanism 21 for spraying the soil remediation liquid and an agitation mechanism 22 for agitating the contaminated soil. The output end of the repair liquid of the spraying mechanism 21 is communicated with the input end of the polluted soil of the stirring mechanism 22.

The stirring mechanism 22 includes a stirring barrel 221 having upper and lower openings and a stirring paddle 222 for stirring. The stirring paddle 222 includes a vertically arranged stirring shaft 2221 and a plurality of stirring blades 2222 arranged around the stirring shaft 2221, and the stirring shaft 2221 is rotatably connected in the stirring barrel 221. The soil output end of the first conveyor belt 3 penetrates into the upper opening of the stirring barrel 221.

The crawler walking mechanism 1 is fixedly connected with a driving mechanism III 6 for driving the stirring shaft 2221 to rotate.

The third driving mechanism 6 and the second driving mechanism 4 have the same structure, the third engine of the third driving mechanism 6 is fixedly connected to the crawler traveling mechanism 1, the third reducer of the third driving mechanism 6 has an output shaft fixedly connected to the stirring shaft 2221, and the third reducer of the third driving mechanism 6 is fixedly connected to the crawler traveling mechanism 1.

The lower opening of the stirring barrel 221 is fixedly connected with a soil discharging member 23 communicated with the inside and the outside of the stirring barrel 221, the soil discharging member 23 is arranged in an inclined manner and is in a conical tube structure, the large-diameter end of the soil discharging member is connected to the lower opening of the stirring barrel 221 through a flange, and the small-diameter opening of the soil discharging member 23 is a low end and faces the ground. Wherein the soil outlet of the soil discharging member 23 is located behind the crawler belt 1 in the traveling direction.

The spraying mechanism 21 comprises a liquid medicine tank 211 fixedly connected to the crawler walking mechanism 1, a liquid medicine pipe 212 for conveying the soil remediation agent and a plurality of spraying heads 213 for spraying the soil remediation agent. The liquid medicine box 211 is positioned above the stirring barrel 221, and the liquid medicine pipe 212 is communicated with the liquid medicine box 211 and the spray header 213. The liquid medicine tube 212 is connected and fixed with an output pump 214 for outputting liquid medicine, the liquid medicine input end of the output pump 214 is connected and fixed with the lower part of the liquid medicine box 211, and the liquid medicine output end of the output pump 214 is connected and fixed with the liquid medicine tube 212. The spray header 213 is positioned in the stirring barrel 221, and the liquid medicine output end of the spray header 213 faces the upper opening of the stirring barrel 221 and the high end of the first conveyor belt 3. Wherein the soil remediation agent is a liquid diluted properly by water.

A crushing mechanism 5 for crushing the polluted soil is arranged between the soil repairing device 2 and the first conveyor belt 3, so that the soil repairing agent and the polluted soil are mixed relatively more uniformly, and the using effect of the soil repairing agent is optimized.

Referring to fig. 1 and 4, the crushing mechanism 5 is a single-roller crusher, and the contaminated soil input end of the crushing mechanism 5 is located below the high end of the first conveyor belt 3, and the contaminated soil output end of the crushing mechanism 5 is fixedly connected and communicated with the upper opening of the stirring barrel 221. The end part of the crushing roller of the crushing mechanism 5 is fixedly connected with a third grooved pulley 51, and the crawler walking mechanism 1 is fixedly connected with a first driving mechanism 12 for driving the crushing roller of the crushing mechanism 5 to rotate and transmitting the first conveying belt 3.

The first driving mechanism 12 comprises a first engine 121 fixedly connected to the crawler 1, a first speed reducer 122 and a first output sheave 123. A first clutch 124 for load shedding and overload protection when the first engine 121 is started is arranged between the first engine 121 and the first speed reducer 122. The power input end of the first clutch 124 is fixedly connected with the power output end of the first engine 121, and the power output end of the first clutch 124 is fixedly connected with the power input end of the first speed reducer 122.

The power output shaft of the first speed reducer 122 is fixedly connected with a first sheave 123 which is the same as the central axis of the first speed reducer, and the first sheave 123 is a multi-sheave. The first conveyor belt 3 is rotatably connected to the belt roller at the high end of the supporting member 13, the second sheave 31 is fixedly connected to the belt roller at the high end of the supporting member 13, the first belt 125 is sleeved outside the second sheave 31 and the first sheave 123, and the first speed reducer 122 drives the driving roller of the first conveyor belt 3 to rotate through the first belt 125. A belt II 126 for transmission is sleeved outside the other sheave groove of the first sheave 123 and the third sheave 51, and the driving mechanism I12 drives the third sheave 51 to rotate through the belt II 126 so as to enable the crushing roller of the crushing mechanism 5 to rotate.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ground pollutes soil engineering equipment of changing soil which characterized in that: including crawler travel mechanism (1), connect bucket wheel (11), soil prosthetic devices (2) in crawler travel mechanism (1) including rotating, be used for transmitting in bucket wheel (11) soil to conveyer belt one (3) of soil prosthetic devices (2) and be used for driving bucket wheel (11) pivoted actuating mechanism two (4), soil prosthetic devices (2) including be used for spraying soil repair liquid spray mechanism (21) and be used for carrying out the rabbling mechanism (22) that stir contaminated soil, the output that sprays mechanism (21) communicates in the contaminated soil input with rabbling mechanism (22), crawler travel mechanism (1) fixedly connected with is used for driving conveyer belt one (3) and carries out the actuating mechanism one (12) of transmitting.

2. The site-contaminated soil engineering soil replacement device according to claim 1, wherein: rabbling mechanism (22) are including being upper and lower part open-ended agitator (221) and be used for stirring paddle (222), the soil output of conveyer belt (3) is transmitted soil to agitator (221) in through the upper portion opening of agitator (221), paddle (222) are vertical setting and its rotation and connect in agitator (221), crawler travel mechanism (1) fixedly connected with is used for driving actuating mechanism three (6) of agitator (222), the lower part opening fixedly connected with of agitator (221) communicates in it outside row's native spare (23).

3. The site-contaminated soil engineering soil replacement device according to claim 2, wherein: the dumping member (23) is of a tubular structure and is obliquely arranged, a high-end flange of the dumping member (23) is connected to a lower opening of the stirring barrel (221), and the low end of the dumping member (23) faces the ground and the soil output end of the dumping member (23) is located behind the crawler walking mechanism (1) along the walking direction.

4. The site-contaminated soil engineering soil replacement device according to claim 3, wherein: spray mechanism (21) including fixed connection in liquid medicine case (211) of crawler travel mechanism (1), liquid medicine pipe (212) and a plurality of shower head (213) that are used for spraying the liquid medicine for carrying the liquid medicine, liquid medicine pipe (212) intercommunication and fixedly connected with are used for output pump (214) of liquid medicine output, shower head (213) are located agitator (221) and the liquid medicine output of shower head (213) is towards the upper portion opening part of agitator (221).

5. The site-contaminated soil engineering soil replacement device according to claim 4, wherein: be provided with between soil prosthetic devices (2) and conveyer belt (3) and be used for doing broken handle's crushing mechanism (5) to contaminated soil, the input of crushing mechanism (5) is located conveyer belt (3) under, the output of crushing mechanism (5) communicates in the upper portion opening of agitator (221).

6. The site-contaminated soil engineering soil replacement device according to claim 5, wherein: the crushing mechanism (5) is a single-roller crusher, and the crushing mechanism (5) can be driven by a first driving mechanism (12).

7. The site-contaminated soil engineering soil replacement device according to claim 6, wherein: the driving mechanism I (12) comprises an engine I (121), a speed reducer I (122) and an output sheave I (123), a power input shaft of the speed reducer I (122) is fixedly connected to a power output shaft of the diesel engine I (121), the output sheave I (123) is fixedly connected to a power output shaft of the speed reducer I (122), the sheave I (123) is a sheave with multiple sheave grooves, and the sheave I (123) respectively drives a driving roller of the conveyor belt I (3) and a crushing roller of the crushing mechanism (5) to rotate through a plurality of belts.

8. The site-contaminated soil engineering soil replacement device according to claim 7, wherein: the front end fixedly connected with of crawler travel mechanism (1) is used for doing support piece (13) that supports to the bucket wheel, bucket wheel (11) including rotate connect in rotation wheel (111) of support piece (13) and a plurality of round fill (112) of setting around rotating wheel (111), round fill (112) are four pyramid taper structures, a lateral wall of round fill (112) is on a parallel with the rotation plane of rotating wheel (111) and with the adjacent lateral wall fixed connection in the outer lane anchor ring of rotating wheel (111) of this lateral wall, the opening direction of round fill (112) is towards the rotation direction of rotating wheel (111), the low end of conveyer belt (3) is located round fill (112) center and deviates from round fill (112) and is on a parallel with the lateral wall one side of rotating wheel (111) rotation plane.

9. The site-contaminated soil engineering soil replacement device according to claim 8, wherein: and a guide plate (113) is arranged between the adjacent wheel buckets (112), and two ends of the guide plate (113) are respectively and fixedly connected to the side walls of the adjacent wheel buckets (112) parallel to the rotating plane of the rotating wheel (111).