Ecological restoration device for waste land polluted soil
The device, which uses a tracked vehicle to carry a soil analyzer and injection components, directly injects chemicals into the deep soil of the mining area, solving the problem of poor surface spraying effect and improving the efficiency of ecological restoration and the effect of deep soil restoration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-13
AI Technical Summary
In existing technologies, the effectiveness of pesticides gradually diminishes after being sprayed on the surface of the mining area, resulting in heavy metal residues in the deep soil of the mining area, which diffuse into the upper soil over time, affecting vegetation growth and causing vegetation degradation.
A tracked vehicle carries a soil analyzer and a chemical injection unit. The sampling unit digs up deep soil, the soil analyzer detects the heavy metal content, the chemical is prepared and injected into the soil depth through the injection unit to reduce the diffusion of heavy metals.
It improved the efficiency of ecological restoration, reduced the impact on the vegetation of the upper soil layer, enhanced the remediation effect of heavy metals in the deep soil layer, and reduced the possibility of heavy metals from the deep soil layer spreading to the upper layer.
Smart Images
Figure CN223988886U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of ecological restoration technology, and in particular to an ecological restoration device for contaminated soil in abandoned sites. Background Technology
[0002] In mining areas, or areas that have already been mined, metallic minerals from the ore can gradually seep into the soil around the mining area through rainwater and other means, leading to a gradual increase in the heavy metal content in the soil and causing soil pollution. This pollution then causes the vegetation on the soil to gradually degrade.
[0003] Currently, the mainstream solution for ecological restoration of abandoned mining sites is to neutralize the soil with chemicals. This involves spraying neutralizing agents in the mining area to neutralize and react with heavy metals in the polluted soil, thereby achieving the effect of soil restoration.
[0004] However, in actual operation, the above method has several drawbacks. Since a large amount of neutralizing agents are sprayed on the surface of the mining area, the effectiveness of the neutralizing agents gradually decreases with increasing soil depth. As a result, a large amount of heavy metal residues remain in the deep soil of the mining area. When vegetation is planted in the upper soil of the mining area, the neutralizing agents can no longer be sprayed because they also harm the vegetation. Over time, the heavy metals in the deep soil will gradually diffuse into the upper soil, eventually causing the vegetation to degenerate again. Utility Model Content
[0005] To address the problem of heavy metals in the soil causing vegetation to degrade again, this application provides an ecological remediation device for polluted soil in abandoned sites.
[0006] The ecological remediation device for contaminated soil in abandoned sites provided in this application adopts the following technical solution:
[0007] An ecological remediation device for contaminated soil in abandoned sites includes a tracked vehicle equipped with a soil analyzer, a controller, a sampling component, and a chemical injection component. The sampling component is used to collect soil from deep layers of the mining area, the soil analyzer is used to detect the soil collected by the sampling component, the soil analyzer is electrically connected to the controller, and the chemical injection component is used to inject chemicals into the deep soil of the mining area.
[0008] By adopting the above technical solution, the tracked vehicle can adapt to the complex terrain environment of the mining area. When it is necessary to inject agents into the deep soil, the workers first dig out the deep soil using the sampling component, then analyze the content of heavy metals in the soil using a soil analyzer, and then prepare the agent according to the analysis results of the soil analyzer. Finally, the agent is injected into the deep soil through the pit dug out to neutralize the heavy metals in the deep soil, reducing the possibility of heavy metals in the deep soil spreading to the upper soil. Furthermore, since the agent is injected directly into the deep soil, the impact on the vegetation growing on the upper soil is reduced, which is conducive to improving the efficiency of ecological restoration.
[0009] Optionally, the sampling assembly includes a drilling frame rotatably mounted on the tracked vehicle, a multi-stage hydraulic cylinder electrically connected to the controller is hinged to the tracked vehicle, one end of the drilling frame facing away from its rotation is hinged to the piston rod of the multi-stage hydraulic cylinder, a lifting plate is slidably mounted on the drilling frame, a lifting component is mounted on the drilling frame to drive the lifting plate to slide, a drilling motor electrically connected to the controller is mounted on the lifting plate, a drilling rod is rotatably mounted on the lifting plate, a helical blade is wound around the drilling rod along its axial direction, and the drilling rod is coaxially mounted on the output shaft of the drilling motor.
[0010] By adopting the above technical solution, when drilling for sampling is required, the controller starts the multi-stage hydraulic cylinder. The piston rod of the multi-stage hydraulic cylinder extends and gradually raises the drilling frame. Then, the controller starts the drilling motor. The output shaft of the drilling motor drives the spiral blade to rotate at high speed through the drilling rod. Then, the lifting component controls the vertical sliding of the lifting plate. The high-speed rotating spiral blade excavates the soil and transports the deep soil to the ground. Then, the workers analyze the deep soil with a soil analyzer to know the content of heavy metals in the soil, which makes it easier for the workers to prepare the reagents.
[0011] Optionally, the lifting component includes a lifting screw rotatably mounted on the drilling frame, a guide rod with an axis parallel to the axis of the lifting screw mounted on the drilling frame, a lifting plate threadedly connected to the lifting screw, the lifting plate slidably mounted on the guide rod, a lifting motor electrically connected to the controller mounted on the drilling frame, and the lifting screw coaxially mounted on the output shaft of the lifting motor.
[0012] By adopting the above technical solution, the controller starts the lifting motor, the output shaft of the lifting motor drives the lifting screw to rotate, and at the same time, under the guidance of the guide rod, the lifting plate drives the drilling motor to slide vertically, thereby realizing the drilling and sampling process of the spiral blade.
[0013] Optionally, a fixing plate is detachably provided on the lifting plate, a sleeve is coaxially sleeved on the drilling rod, an end ring plate is coaxially provided at the end of the sleeve, a C-shaped clamping block is provided on the fixing plate, the edge of the end ring plate is used to be clamped in the C-shaped groove of the clamping block, the spiral blade is located inside the sleeve, and the sleeve is used to be inserted into the soil.
[0014] By adopting the above technical solution, when sampling is required, the worker first places the casing on the spiral blade and makes the end ring plate on the casing fit into the C-shaped groove of the clamping block. Then, the drilling frame is gradually rotated and erected by a multi-stage hydraulic cylinder. As the spiral blade continuously excavates the soil, the casing will gradually insert into the soil, thereby reducing the possibility of the upper soil collapsing during the drilling process and causing errors in the soil testing and analysis results. This is beneficial to improving the accuracy of deep soil sampling results.
[0015] Optionally, the injection assembly includes a drug tank and a pressure pump mounted on the tracked vehicle. The pressure pump is electrically connected to the controller. The inlet of the pressure pump is connected to the drug tank. The outlet of the pressure pump is connected to a hose. A connector is provided at the end of the hose facing away from the pressure pump. The connector is used to connect the hose to the sleeve.
[0016] By adopting the above technical solution, after the deep soil analysis is completed and the reagent is prepared, the worker disassembles the fixing plate, and then drives the output shaft of the lifting motor to rotate in the opposite direction through the controller. This causes the lifting plate to rise through the drilling motor and the spiral blades to detach from the casing. Then, the worker connects the hose to the end of the casing through the connector. After that, the controller starts the pressure pump, which pumps the reagent in the reagent tank into the casing. Due to the constraint of the casing, the reagent in the casing can only flow out and diffuse to one end of the deep soil, thereby achieving the neutralization effect on heavy metals in the deep soil.
[0017] Optionally, the connector includes a connecting sleeve disposed on the flexible hose, the inner wall of the closed end of the connecting sleeve communicating with the flexible hose, the open end of the connecting sleeve being used to insert into the sleeve, an outer ring plate being coaxially disposed on the connecting sleeve, a fastening screw being disposed on the outer ring plate, a fixing nut being threaded onto the fastening screw on the side of the outer ring plate facing away from the end ring plate, and a support plate being disposed on the fastening screw on the side of the outer ring plate facing the end ring plate, the support plate being used to press the end ring plate onto the outer ring plate.
[0018] By adopting the above technical solution, the worker inserts the connecting tube into the sleeve, and then rotates the fixing nut so that the support plate presses the end ring plate tightly onto the outer ring plate, thereby achieving the connection effect between the hose and the sleeve, and at the same time allowing the agent flowing into the sleeve to flow from one end deep in the soil.
[0019] Optionally, the connecting cylinder is provided with a pressure valve electrically connected to the controller.
[0020] By adopting the above technical solution, the pressure valve feeds back the pressure of the agent in the casing to the controller, which makes it convenient for workers to adjust the amount of agent flowing into the casing, thereby enabling the agent in the casing to diffuse into the deeper soil layers and reducing the possibility of the agent diffusing from the outer wall of the casing to the upper soil layer first.
[0021] Optionally, a drill bit may be detachably mounted on the end of the drilling rod facing away from the drilling motor.
[0022] By adopting the above technical solution, when the spiral blades reach the rock, workers can reduce the wear on the spiral blades by replacing the drill bit, which helps to extend the service life of the spiral blades.
[0023] In summary, this application includes at least one of the following beneficial technical effects:
[0024] 1. Tracked vehicles can adapt to the complex terrain of mining areas. When it is necessary to inject chemicals into the deep soil, workers first dig out the deep soil using sampling components, then analyze the content of heavy metals in the soil using a soil analyzer. After that, based on the analysis results of the soil analyzer, chemicals are prepared. Finally, chemicals are injected into the deep soil through the pits dug out to neutralize the heavy metals in the deep soil, reducing the possibility of heavy metals in the deep soil spreading to the upper soil. Furthermore, since chemicals are injected directly into the deep soil, the impact on the vegetation growing on the upper soil is reduced, which is conducive to improving the efficiency of ecological restoration.
[0025] 2. When drilling for sampling is required, the controller activates the multi-stage hydraulic cylinder. The piston rod of the multi-stage hydraulic cylinder extends and gradually raises the drilling frame. Then, the controller starts the drilling motor. The output shaft of the drilling motor drives the spiral blades to rotate at high speed through the drilling rod. Afterward, the lifting component controls the vertical sliding of the lifting plate. The high-speed rotating spiral blades excavate the soil and transport the deep soil to the ground. Then, the workers use a soil analyzer to analyze the deep soil to determine the content of heavy metals in the soil, which makes it easier for the workers to prepare the reagents.
[0026] 3. When sampling is required, the worker first places the casing on the spiral blade and secures the end ring plate on the casing in the C-shaped groove of the clamping block. Then, the drilling frame is gradually rotated and erected by a multi-stage hydraulic cylinder. As the spiral blade continuously excavates the soil, the casing will gradually insert into the soil, thereby reducing the possibility of the upper soil collapsing during the drilling process and causing errors in the soil testing and analysis results. This helps to improve the accuracy of deep soil sampling results. Attached Figure Description
[0027] Figure 1 This is a structural schematic diagram of an embodiment of this application.
[0028] Figure 2 This is a cross-sectional view used in the embodiments of this application to illustrate the insertion of the connecting cylinder and the sleeve.
[0029] Explanation of reference numerals in the attached drawings: 1. Tracked vehicle; 2. Soil analyzer; 3. Controller; 4. Sampling assembly; 41. Drilling frame; 42. Multi-stage hydraulic cylinder; 43. Lifting plate; 44. Lifting component; 441. Lifting screw; 442. Guide rod; 443. Lifting motor; 45. Drilling motor; 46. Drilling rod; 47. Spiral blade; 5. Injection assembly; 51. Chemical tank; 52. Pressure pump; 53. Hoses; 54. Connectors; 541. Connecting cylinder; 542. Outer ring plate; 543. Fastening screw; 544. Fixing nut; 545. Support plate; 6. Fixing plate; 7. Sleeve; 8. End ring plate; 9. Clamping block; 10. Pressure valve; 11. Drill bit; 12. Coupling; 13. Inlet pipe; 14. Rubber ring. Detailed Implementation
[0030] The following is in conjunction with the appendix Figures 1-2 This application will be described in further detail.
[0031] This application discloses an ecological restoration device for polluted soil in abandoned land.
[0032] Reference Figure 1 An ecological remediation device for contaminated soil in abandoned sites includes a tracked vehicle 1, on which a soil analyzer 2, a controller 3, a sampling component 4, and a chemical injection component 5 are arranged. The soil analyzer 2 is electrically connected to the controller 3. The sampling component 4 is used to collect soil from deep layers of the mining area. The soil analyzer 2 is used to detect the soil taken out by the sampling component 4. The chemical injection component 5 is used to inject chemicals into the deep layers of the mining area.
[0033] Reference Figure 1 The sampling assembly 4 includes a drilling frame 41 rotatably connected to the tracked vehicle 1. A multi-stage hydraulic cylinder 42 electrically connected to the controller 3 is hinged on the tracked vehicle 1. The end of the drilling frame 41 facing away from it is hinged to the piston rod of the multi-stage hydraulic cylinder 42. A lifting plate 43 is slidably arranged on the drilling frame 41. A lifting component 44 for driving the lifting plate 43 to slide is arranged on the drilling frame 41.
[0034] Reference Figure 1The lifting component 44 includes a lifting screw 441 rotatably connected to the drilling frame 41, a guide rod 442 with its axis parallel to the axis of the lifting screw 441 welded to the drilling frame 41, a lifting plate 43 threadedly connected to the lifting screw 441, and the lifting plate 43 slidably sleeved on the guide rod 442. A lifting motor 443 electrically connected to the controller 3 is bolted to the drilling frame 41. The lifting motor 443 can be a forward and reverse motor in the prior art. The lifting screw 441 is coaxially welded to the output shaft of the lifting motor 443.
[0035] Reference Figure 1 A drilling motor 45, which is electrically connected to the controller 3, is bolted to the lifting plate 43. A drilling rod 46 is rotatably connected to the lifting plate 43. A spiral blade 47 is wound around the drilling rod 46 along its axial direction. The drilling rod 46 is fixed to the output shaft of the drilling motor 45 through a coupling 12. A drill bit 11 is bolted to the end of the drilling rod 46 facing away from the drilling motor 45.
[0036] Reference Figure 1 A fixing plate 6 is bolted to the lifting plate 43. A sleeve 7 is coaxially sleeved on the drilling rod 46. The spiral blade 47 is located inside the sleeve 7. An end ring plate 8 is coaxially welded to the end of the sleeve 7. A C-shaped clamping block 9 is welded to the fixing plate 6. The edge of the end ring plate 8 is used to clamp into the C-shaped groove of the clamping block 9. The sleeve 7 is used to be inserted into the soil.
[0037] When it is necessary to sample the deep soil in the mining area, the worker puts the casing 7 on the outside of the spiral blade 47, then bolts the fixing plate 6 to the lifting plate 43, and at the same time makes the end ring plate 8 on the casing 7 fit into the C-shaped groove of the clamping block 9. Then the worker starts the multi-stage hydraulic cylinder 42 through the controller 3. The piston rod of the multi-stage hydraulic cylinder 42 gradually extends, and the drilling frame 41 rotates continuously around its rotation center until the drilling frame 41 is in a vertical state.
[0038] The controller 3 starts the drilling motor 45. The output shaft of the drilling motor 45 drives the drilling rod 46 to rotate through the coupling 12. The drilling rod 46 drives the spiral blade 47 and the drill bit 11 to rotate at high speed. Then the controller 3 starts the lifting motor 443. The output shaft of the lifting motor 443 drives the lifting screw 441 to rotate. At the same time, under the guidance of the guide rod 442, the lifting plate 43 drives the drilling motor 45 to slide vertically.
[0039] The drill bit 11 and the spiral blade 47 will discharge the soil in the bottom of the casing 7 from the top of the casing 7. As the drill bit 11 slowly descends, the casing 7 gradually inserts into the soil until the descent depth of the casing 7 is reached. Then, the worker uses the soil analyzer 2 to analyze the soil that is finally discharged from the casing 7.
[0040] Then, the corresponding reagent is prepared. After that, the worker disassembles the fixing plate 6 and restarts the lifting motor 443. The output shaft of the lifting motor 443 flips to raise the lifting plate 43, thereby causing the spiral blade 47 and the drill bit 11 to detach from the casing 7. At this time, the casing 7 remains in the soil.
[0041] Reference Figure 1 and Figure 2 The injection assembly 5 includes a drug tank 51 and a pressure pump 52 arranged on the tracked vehicle 1. The drug tank 51 is welded with an inlet pipe 13. The pressure pump 52 is electrically connected to the controller 3. The water inlet of the pressure pump 52 is connected to the drug tank 51. The water outlet of the pressure pump 52 is connected to a hose 53. A connector 54 is arranged at the end of the hose 53 facing away from the pressure pump 52. The connector 54 is used to connect the hose 53 to the sleeve 7.
[0042] Reference Figure 1 and Figure 2 The connector 54 includes a connecting cylinder 541 arranged on the hose 53. The inner wall of the closed end of the connecting cylinder 541 is in communication with the hose 53. A pressure valve 10 electrically connected to the controller 3 is bolted to the connecting cylinder 541. The open end of the connecting cylinder 541 is used to insert into the sleeve 7. An outer edge ring plate 542 is coaxially welded to the connecting cylinder 541. A rubber ring 14 is glued to the side of the outer edge ring plate 542 facing the end ring plate 8.
[0043] Reference Figure 2 A fastening screw 543 is provided on the outer ring plate 542. A fixing nut 544 is threaded onto the fastening screw 543 on the side of the outer ring plate 542 facing away from the end ring plate 8. A support plate 545 is welded onto the fastening screw 543 on the side of the outer ring plate 542 facing the end ring plate 8. The support plate 545 is used to press the end ring plate 8 onto the outer ring plate 542.
[0044] The worker inserts the connecting cylinder 541 into the sleeve 7, and then rotates the fixing nut 544 so that the support plate 545 presses the end ring plate 8 onto the outer edge ring plate 542. The rubber ring 14 seals the top of the sleeve 7. Then the worker starts the pressure pump 52 through the controller 3. The pressure pump 52 pumps the agent in the agent tank 51 into the sleeve 7. Due to the constraint of the sleeve 7, the agent in the sleeve 7 can only flow out and diffuse to the deep soil layer at one end.
[0045] At the same time, the pressure valve 10 feeds back the pressure of the agent input into the casing 7 to the controller 3. The worker adjusts the flow rate of the agent into the casing 7 according to the pressure feedback from the pressure valve 10, so that the agent can diffuse into the deep soil as much as possible. After the agent injection is completed, the worker restarts the lifting motor 443 through the controller 3, so that the lifting plate 43 is lowered, the fixing plate 6 is installed again, and finally the lifting plate 43 is raised and the casing 7 is pulled away from the soil.
[0046] The implementation principle of an ecological restoration device for polluted soil in abandoned land according to an embodiment of this application is as follows: When it is necessary to sample deep soil in the mining area, the worker puts the sleeve 7 on the outside of the spiral blade 47, and then bolts the fixing plate 6 to the lifting plate 43. At the same time, the end ring plate 8 on the sleeve 7 is locked in the C-shaped groove of the locking block 9. Then, the worker starts the multi-stage hydraulic cylinder 42 through the controller 3. The piston rod of the multi-stage hydraulic cylinder 42 gradually extends, and the drilling frame 41 rotates continuously around its rotation center until the drilling frame 41 is in a vertical state.
[0047] The controller 3 starts the drilling motor 45. The output shaft of the drilling motor 45 drives the drilling rod 46 to rotate through the coupling 12. The drilling rod 46 drives the spiral blade 47 and the drill bit 11 to rotate at high speed. Then the controller 3 starts the lifting motor 443. The output shaft of the lifting motor 443 drives the lifting screw 441 to rotate. At the same time, under the guidance of the guide rod 442, the lifting plate 43 drives the drilling motor 45 to slide vertically.
[0048] The drill bit 11 and the spiral blade 47 will discharge the soil in the bottom of the casing 7 from the top of the casing 7. As the drill bit 11 slowly descends, the casing 7 gradually inserts into the soil until the descent depth of the casing 7 is reached. Then, the worker uses the soil analyzer 2 to analyze the soil that is finally discharged from the casing 7.
[0049] Then, the corresponding reagent is prepared. After that, the worker disassembles the fixing plate 6 and restarts the lifting motor 443. The output shaft of the lifting motor 443 flips to raise the lifting plate 43, thereby causing the spiral blade 47 and the drill bit 11 to detach from the casing 7. At this time, the casing 7 remains in the soil.
[0050] The worker inserts the connecting cylinder 541 into the sleeve 7, and then rotates the fixing nut 544 so that the support plate 545 presses the end ring plate 8 onto the outer edge ring plate 542. The rubber ring 14 seals the top of the sleeve 7. Then the worker starts the pressure pump 52 through the controller 3. The pressure pump 52 pumps the agent in the agent tank 51 into the sleeve 7. Due to the constraint of the sleeve 7, the agent in the sleeve 7 can only flow out and diffuse to the deep soil layer at one end.
[0051] At the same time, the pressure valve 10 feeds back the pressure of the agent input into the casing 7 to the controller 3. The worker adjusts the flow rate of the agent into the casing 7 according to the pressure feedback from the pressure valve 10, so that the agent can diffuse into the deep soil as much as possible. After the agent injection is completed, the worker restarts the lifting motor 443 through the controller 3, so that the lifting plate 43 is lowered, the fixing plate 6 is installed again, and finally the lifting plate 43 is raised and the casing 7 is pulled away from the soil.
[0052] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. An ecological remediation device of contaminated soil of a waste site, comprising a caterpillar (1), characterized in that: The track vehicle (1) is provided with a soil analyzer (2), a controller (3), a sampling assembly (4) and a medicine injection assembly (5), the sampling assembly (4) is used for collecting deep soil in a mining area, the soil analyzer (2) is used for detecting the soil taken out by the sampling assembly (4), the soil analyzer (2) is electrically connected to the controller (3), and the medicine injection assembly (5) is used for injecting medicine into the deep soil in the mining area.
2. The device for ecological restoration of contaminated soil of a waste site according to claim 1, characterized in that: The sampling assembly (4) comprises a drilling frame (41) rotatably arranged on the track vehicle (1), a multi-stage hydraulic cylinder (42) hinged to the track vehicle (1) and electrically connected to the controller (3), the drilling frame (41) is hinged to the piston rod of the multi-stage hydraulic cylinder (42) at an end opposite to the rotating end, a lifting plate (43) is slidably arranged on the drilling frame (41), a lifting piece (44) is arranged on the drilling frame (41) and used for driving the lifting plate (43) to slide, a drilling motor (45) electrically connected to the controller (3) is arranged on the lifting plate (43), a drilling rod (46) is rotatably arranged on the lifting plate (43), and helical blades (47) are arranged on the drilling rod (46) along the axial direction of the drilling rod (46).
3. The device for ecological restoration of contaminated soil of a waste site according to claim 2, characterized in that: The lifting piece (44) comprises a lifting screw (441) rotatably arranged on the drilling frame (41), a guide rod (442) is arranged on the drilling frame (41) and has an axis parallel to the axis of the lifting screw (441), the lifting plate (43) is threadedly connected to the lifting screw (441), the lifting plate (43) is slidably sleeved on the guide rod (442), and a lifting motor (443) electrically connected to the controller (3) is arranged on the drilling frame (41), and the lifting screw (441) is coaxially arranged on the output shaft of the lifting motor (443).
4. The device for ecological restoration of contaminated soil of a waste site according to claim 2, characterized in that: A fixing plate (6) is detachably arranged on the lifting plate (43), a sleeve (7) is coaxially sleeved on the drilling rod (46), an end ring plate (8) is coaxially arranged at the end of the sleeve (7), a clamping block (9) with a C-shaped cross section is arranged on the fixing plate (6), the edge of the end ring plate (8) is used for clamping in the C-shaped groove of the clamping block (9), the helical blades (47) are located in the sleeve (7), and the sleeve (7) is used for inserting into soil.
5. The device for ecological restoration of contaminated soil of a waste site according to claim 4, characterized in that: The medicine injection assembly (5) comprises a medicine tank (51) and a pressure pump (52) arranged on the track vehicle (1), the pressure pump (52) is electrically connected to the controller (3), the water inlet end of the pressure pump (52) is communicated with the medicine tank (51), the water outlet end of the pressure pump (52) is connected with a hose (53), one end of the hose (53) away from the pressure pump (52) is provided with a connecting piece (54), and the connecting piece (54) is used for connecting the hose (53) with the sleeve (7).
6. The device for ecological restoration of contaminated soil of a waste site according to claim 5, characterized in that: The connecting piece (54) comprises a connecting cylinder (541) arranged on the hose (53), an inner side wall of a closed end of the connecting cylinder (541) is communicated with the hose (53), an open end of the connecting cylinder (541) is used for inserting into the sleeve (7), an outer edge ring plate (542) is coaxially arranged on the connecting cylinder (541), a fastening screw (543) is arranged on the outer edge ring plate (542), a fixing nut (544) is threadedly connected on the fastening screw (543) on a side of the outer edge ring plate (542) away from the end ring plate (8), a supporting plate (545) is arranged on the fastening screw (543) on a side of the outer edge ring plate (542) towards the end ring plate (8), and the supporting plate (545) is used for pressing the end ring plate (8) on the outer edge ring plate (542).
7. The device for ecological restoration of contaminated soil of a waste site according to claim 6, characterized in that: The connecting cylinder (541) is electrically connected with the pressure valve (10) of the controller (3).
8. The device for ecological restoration of contaminated soil of wastelands according to claim 2, characterized in that: An end of the drilling rod (46) away from the drilling motor (45) is detachably provided with a drill bit (11).