Mining area polluted vegetation ecological soil remediation system

Abstract

The invention discloses a mining area polluted vegetation ecological soil remediation system, and relates to the technical field of soil remediation, and the mining area polluted vegetation ecological soil remediation system comprises a mining area polluted soil screening machine, a remediation liquid preparation machine, a loading cleaning machine, a liquid phase treatment machine and a solid phase treatment machine. The three technologies of ultrasonic enhanced cleaning, mechanical automatic slag scraping cleaning and high-pressure gas backflushing are organically integrated in the same system. During working, the ultrasonic vibrator generates cavitation, mechanical and thermal effects in the cleaning box, combination of pollutants and soil particles can be forcefully destroyed, and deep cleaning is achieved. The method is particularly suitable for various contaminated soil including cohesive soil, and the pollutant removal rate is remarkably higher than that of a traditional method.

Description

Technical Field

[0001] This invention relates to the field of soil remediation technology, specifically to a vegetation-based ecological soil remediation system for mining area pollution. Background Technology

[0002] With the rapid development of industrialization and urbanization, the large-scale mining, smelting, and use of mineral resources have generated pollutants that have severely damaged the surrounding soil environment. Soil pollution in mining areas is characterized by its wide range of pollution, diverse types of pollutants, high toxicity, and long duration. Major pollutants include heavy metals (such as lead, cadmium, mercury, arsenic, and chromium), acids, alkalis, salts, and organic pollutants. These pollutants enter organisms through the food chain, posing a serious threat to the ecological environment and human health. The remediation of contaminated soil in mining areas has become an important issue in the fields of ecological civilization construction and environmental protection.

[0003] Currently, remediation technologies for contaminated soil in mining areas mainly include physical, chemical, and biological remediation methods. Soil washing (or leaching) technology, as a highly efficient physicochemical remediation technique, has been widely used in the remediation of soils contaminated with heavy metals and organic matter. However, existing soil washing equipment and technologies still have many shortcomings in practical applications: Low cleaning efficiency and difficulty in achieving deep cleaning: Traditional soil cleaning equipment mostly uses simple mechanical stirring or hydraulic flushing methods, resulting in insufficient contact between the cleaning fluid and soil particles. This is especially true for soils with high clay content and tightly bound contaminants, leading to poor cleaning results. Although ultrasonic cleaning technology has been applied in other fields, its integrated application in soil remediation is still immature. The filtration system is prone to clogging, requiring frequent maintenance and affecting stable equipment operation: During soil washing, the stripped fine soil particles and silt easily clog the filtration system of the washing equipment. Existing washing equipment mostly uses fixed screens or filter cartridges, requiring manual cleaning after clogging. This is typically done using primitive methods such as tapping and water jet rinsing, which not only have poor cleaning effects but also cause frequent shutdowns, severely impacting normal equipment operation. This vicious cycle of "washing-clogging-shutdown cleaning" leads to low equipment utilization and high operating costs. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a vegetation-based ecological soil remediation system for mining area pollution, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a vegetation ecological soil remediation system for contaminated mining areas, comprising a contaminated soil screening machine, a remediation solution preparation machine, a loading and washing machine, a liquid phase treatment machine, and a solid phase treatment machine. The contaminated soil screening machine performs preliminary screening of the soil, removing large stones and debris. The remediation solution preparation machine selects appropriate remediation agents according to the type of pollutants. The loading and washing machine uses the remediation agents to wash the soil. The liquid phase treatment machine allows the remediation solution containing pollutants to enter a water treatment system for sedimentation, filtration, and adsorption multi-stage treatment. The solid phase treatment machine allows the cleaned soil to enter a conditioning process, where organic matter and microbial agents are added to adjust the soil's physicochemical properties. The loading and cleaning machine includes a cleaning tank. A fixed base is fixedly connected to the left side of the cleaning tank, and a drive base is fixedly connected to the right side of the cleaning tank. A mounting column is fixedly connected to one side of the fixed base. A discharge machine is fixedly connected inside the mounting column, and a feeding machine is fixedly connected inside the mounting column and below the discharge machine. A rotating tube is rotatably connected to the left side of the drive base via a bearing. A fixed plate is fixedly connected to the outside of the rotating tube. Two mounting blocks are fixedly connected to the left end of the fixed plate. A cleaning bag is placed between the two mounting blocks, above and below the mounting column. A first winding box is fixedly connected to the front end of each cleaning bag, and a second winding box is fixedly connected to the rear end of each cleaning bag. The outer sides of the second and first winding boxes are fixedly connected to one end of the corresponding mounting blocks. Several filter holes are opened on the top and front and rear surfaces of the cleaning bag.

[0006] Preferably, the inner wall of the cleaning bag is provided with a pad groove, and the left and right ends of the pad groove are provided with side guide grooves. A cleaning belt is laid inside the pad groove, and both ends of the cleaning belt extend into the two side guide grooves. The end of the cleaning bag near the mounting column is provided with an opening. The top and bottom of the mounting column are provided with inlets, and the two inlets are respectively connected to the inside of the discharge machine and the loading machine. The front and rear ends of the cleaning bag are provided with discharge outlets in front of and behind the openings.

[0007] Preferably, the two ends of the cleaning belt pass through two discharge outlets and extend into the interior of the first and second take-up boxes. The first take-up box contains a first take-up roller rotatably connected via bearings, and the second take-up box contains a second take-up roller rotatably connected via bearings. The two ends of the cleaning belt are fixedly connected to the outer sides of the first and second take-up rollers, respectively. A through groove is formed on the surface of the cleaning belt, and a cleaning section is provided on one side of the through groove. The cleaning section is evenly distributed with nozzles. Several nozzles are formed on the surface of the cleaning belt, and each nozzle is connected to a pipeline laid inside the cleaning belt. A connecting pipe is installed inside the first take-up roller, and one end of the connecting pipe is connected to a pipeline inside the cleaning belt.

[0008] Preferably, a drive box is fixedly connected to the surface of the fixed disc at the right end of the washing bag. One end of the first and second take-up rollers extends into the drive box and is fixedly fitted with a worm gear. Worms are rotatably connected to both sides of the drive box cavity and below the worm gears via bearings, and the two worms are fixedly connected by a rotating shaft. The worms are driven by the worm gears. A rotating rod is rotatably connected to the bottom of the drive box cavity via bearings, and a first bevel gear is fixedly fitted at the top of the rotating rod and on the outer side of the rotating shaft. Each drive box has a fixed box at its bottom, and the bottom end of each rotating rod extends into the fixed box and is fixedly fitted with a first drive gear. Each fixed box cavity is rotatably connected to a reciprocating lead screw via bearings, and a slider is mounted on the outside of the reciprocating lead screw, which cooperates with the reciprocating lead screw. Each slider is fixedly connected to a drive rack, which cooperates with the first drive gear. Each fixed box cavity cavity has a connecting rod rotatably connected to a connecting rod via bearings, and a meshing second bevel gear is fixedly fitted on the outside of the connecting rod and the reciprocating lead screw.

[0009] Preferably, a drive disk is placed at the right end of the drive box and outside the rotating tube. Several fixed posts are fixedly connected to the right end of the drive disk, and one end of each fixed post is fixedly connected to the left side of the drive seat.

[0010] Preferably, a sliding disk is slidably connected inside the drive disk, and the right end of the fixed box is fixedly connected to the left end of the sliding disk. One end of each connecting rod extends into the drive disk and is fixedly fitted with a second drive gear. A first rack segment is fixedly connected to the inner wall of the sliding disk, and a second rack segment is fixedly connected to the inner wall of the sliding disk below the first rack segment. The second drive gears cooperate with both the first rack segment and the second rack segment.

[0011] Preferably, a first rotary joint is installed on the right side of each drive box, one end of each connecting pipe is connected to one end of the first rotary joint, and an air pipe is installed on the other end of each first rotary joint, with one end of each air pipe extending into the interior of the rotating pipe and communicating with the interior of the rotating pipe.

[0012] Preferably, a first motor is fixedly connected to the left side of the drive base, one end of the rotating tube extends into the interior of the drive base, and a meshing transmission gear is fixedly sleeved on both the output end of the first motor and the outer side of the rotating tube. A second rotary joint is installed on the right end of the drive base, and the other end of the rotating tube is connected to one end of the second rotary joint. An air pump is installed on the top of the drive base, and one end of the air pump is connected to the other end of the second rotary joint.

[0013] Preferably, the bottom of the discharge machine is equipped with a discharge channel, the outside of the feed machine is fixedly connected to a feed hopper, the top of the fixed base is fixedly connected to a belt conveyor, and the belt conveyor is located below the discharge channel. Both the discharge machine and the feed machine are rotatably connected to a screw conveyor shaft through bearings. One end of both the discharge machine and the feed machine is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to one end of the screw conveyor shaft. An ultrasonic vibrator is fixedly connected to the inner wall of the cleaning tank. A discharge valve is fixedly connected to the front end of the cleaning tank, and a replenishment valve is fixedly connected to the rear end of the cleaning tank.

[0014] This invention provides a vegetation-based ecological soil remediation system for contaminated mining areas, which has the following beneficial effects: 1. The vegetation-based ecological soil remediation system for contaminated mining areas organically integrates three technologies: ultrasonic enhanced cleaning, mechanical automatic slag scraping, and high-pressure gas backflushing, into a single system. During operation, the ultrasonic vibrator generates cavitation, mechanical, and thermal effects within the cleaning chamber, powerfully breaking down the bond between contaminants and soil particles, achieving deep cleaning. This method is particularly suitable for various contaminated soils, including clay soils, and its contaminant removal rate is significantly higher than traditional methods.

[0015] 2. The vegetation ecological soil remediation system for the contaminated mining area achieves a high degree of automation and continuous operation in the remediation process, significantly improving production efficiency. This system features a unique dual-station rotary washing hopper structure. A first motor drives a fixed disc to rotate, allowing the two washing hoppers to alternate between underwater washing and above-water cleaning / unloading operations, achieving truly continuous feeding and discharging. The entire process, from feeding, washing, slag scraping, filter cleaning to discharging, is completed automatically without manual intervention, greatly improving equipment utilization and processing capacity, making it suitable for large-scale engineering applications.

[0016] 3. The vegetation-based ecological soil remediation system for the contaminated mining area has solved the technical problem of easy clogging in the filtration system, ensuring long-term stable operation of the equipment. A reciprocating cleaning belt mechanism is installed inside the cleaning bag. When the cleaning bag rotates out of the water, a precision gear-rack-worm gear composite transmission system drives the cleaning belt to move, and the grooves on its surface automatically scrape the deposited mud and sand towards the discharge port. Simultaneously, when the cleaning bag reaches the top position, a high-pressure air pump starts, and compressed gas travels through a rotary joint and pipeline directly to the nozzles inside the cleaning belt, precisely backflushing the filter holes. This dual self-cleaning mechanism of "mechanical scraping + gas backflushing" ensures that the filter holes remain unobstructed, fundamentally avoiding downtime caused by clogging, and resulting in extremely low maintenance costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the front structure of the present invention; Figure 2This is a schematic diagram of the right-side structure of the present invention; Figure 3 This is a schematic diagram of the right half of the structure of the present invention; Figure 4 This is a schematic diagram of the right-side structure of the mounting block of the present invention; Figure 5 This is a schematic diagram of the internal structure of the drive seat of the present invention; Figure 6 This is a schematic diagram of the internal structure of the drive disk of the present invention; Figure 7 This is a schematic diagram of the internal structure of the drive box and the fixing box of the present invention; Figure 8 This is a schematic diagram of the right-side structure of the mounting column of the present invention; Figure 9 This is a schematic diagram of the internal structure of the cleaning bag of the present invention; Figure 10 This is a schematic diagram of the cleaning belt structure of the present invention; Figure 11 This is a schematic diagram of the three-dimensional structure of the cleaning belt of the present invention; Figure 12 This is a schematic diagram of the internal padding groove structure of the cleaning pocket of the present invention; Figure 13 This is a schematic diagram of the internal structure of the cleaning bag of the present invention when it is in the cleaning station; Figure 14 This is a schematic diagram of the through groove on the cleaning belt of the present invention; Figure 15 This is a schematic cross-sectional view of the cleaning pocket portion of the present invention; Figure 16 For the present invention Figure 15 A schematic diagram of the structure after the cleaning tape has been removed; Figure 17 This is a schematic diagram of the system structure of the present invention.

[0018] In the diagram: 1. Cleaning box; 2. Fixed base; 3. Drive base; 4. Mounting column; 5. Discharge machine; 6. Feeder; 7. Rotating tube; 8. Fixed plate; 9. Mounting block; 10. Cleaning bag; 11. First winding box; 12. Second winding box; 13. First winding roller; 14. Second winding roller; 15. Cleaning belt; 16. Nozzle; 17. Side guide groove; 18. Discharge port; 19. Through port; 20. Inlet; 21. Screw conveyor shaft; 22. Filter hole; 23. Drive box; 24. Rotating shaft; 25. Worm gear; 26. Worm wheel; 27. Rotating rod; 2 8. First bevel gear; 29. ​​First drive gear; 30. Reciprocating screw; 31. Drive rack; 32. Connecting rod; 33. Second bevel gear; 34. Second drive gear; 35. Sliding disc; 36. Drive disc; 37. First rack segment; 38. Second rack segment; 39. First rotary joint; 40. Air pipe; 41. Connecting pipe; 42. Second rotary joint; 43. Air pump; 44. First motor; 45. Transmission gear; 46. Fixed column; 47. Through groove; 49. Second motor; 50. Belt conveyor; 51. Pad groove; 52. Fixed box. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0020] Example 1 Please see Figure 17 This invention provides a technical solution: a vegetation ecological soil remediation system for mine pollution, comprising a mine pollution soil screening machine, a remediation solution preparation machine, a loading and washing machine, a liquid phase treatment machine, and a solid phase treatment machine. The mine pollution soil screening machine performs preliminary screening of the soil, removing large stones and debris. The remediation solution preparation machine selects appropriate remediation agents according to the type of pollutants. The loading and washing machine uses the remediation agents to wash the soil. The liquid phase treatment machine allows the remediation solution containing pollutants to enter a water treatment system for multi-stage treatment including sedimentation, filtration, and adsorption. The solid phase treatment machine allows the cleaned soil to enter a conditioning process, where organic matter and microbial agents are added to adjust the soil's physical and chemical properties.

[0021] Example 2 Please see Figures 1 to 16The present invention provides a technical solution: a loading cleaning machine includes a cleaning tank 1, a fixed base 2 is fixedly connected to the left side of the cleaning tank 1, a drive base 3 is fixedly connected to the right side of the cleaning tank 1, a mounting column 4 is fixedly connected to one side of the fixed base 2, a discharge machine 5 is fixedly connected inside the mounting column 4, a feeding machine 6 is fixedly connected inside the mounting column 4 and below the discharge machine 5, a rotating tube 7 is rotatably connected to the left side of the drive base 3 via a bearing, a fixed plate 8 is fixedly connected to the outside of the rotating tube 7, two mounting blocks 9 are fixedly connected to the left end of the fixed plate 8, and cleaning bags 10 are placed between the two mounting blocks 9 and above and below the mounting column 4, a first winding box 11 is fixedly connected to the front end of each cleaning bag 10, a second winding box 12 is fixedly connected to the rear end of each cleaning bag 10, and the outer sides of the second winding box 12 and the first winding box 11 are fixedly connected to one end of the corresponding mounting block 9, and a plurality of filter holes 22 are opened on the top and front and rear surfaces of the cleaning bag 10.

[0022] The inner wall of the cleaning bag 10 is provided with a pad groove 51. Side guide grooves 17 are provided inside the cleaning bag 10 and at both ends of the pad groove 51. A cleaning belt 15 is laid inside the pad groove 51. Both ends of the cleaning belt 15 extend into the two side guide grooves 17. A through-hole 19 is provided at the end of the cleaning bag 10 near the mounting column 4. An inlet 20 is provided at the top and bottom of the mounting column 4. The two inlets 20 are respectively connected to the inside of the discharge machine 5 and the feeding machine 6. An outlet 18 is provided at the front and rear ends of the cleaning bag 10 and in front and behind the through-hole 19. The cleaning belt 15 is discharged through the outlet 18.

[0023] The cleaning belt 15 has two ends passing through two outlets 18 and extending into the first take-up box 11 and the second take-up box 12. The first take-up box 11 is rotatably connected to the first take-up roller 13 via bearings, and the second take-up box 12 is rotatably connected to the second take-up roller 14 via bearings. The two ends of the cleaning belt 15 are fixedly connected to the outer sides of the first take-up roller 13 and the second take-up roller 14, respectively. The surface of the cleaning belt 15 has a through groove 47. A cleaning section is provided on the surface of the cleaning belt 15 and on one side of the through groove 47. The cleaning section is evenly distributed with nozzles 16. The surface of the cleaning belt 15 has several nozzles 16. The nozzles 16 are all connected to the pipelines laid inside the cleaning belt 15. A connecting pipe 41 is installed inside the first take-up roller 13. One end of the connecting pipe 41 is connected to the pipeline inside the cleaning belt 15. The pipelines and nozzles 16 are connected through the connecting pipe 41.

[0024] The surface of the fixed disc 8 is fixedly connected to the right end of the cleaning bag 10 with a drive box 23. One end of the first take-up roller 13 and the second take-up roller 14 extends into the drive box 23 and is fixedly fitted with a worm gear 26. On both sides of the inner cavity of the drive box 23 and below the worm gear 26, a worm 25 is rotatably connected to it via bearings. The two worms 25 are fixedly connected to each other via a rotating shaft 24. The worms 25 are connected to the worm gear 26 for transmission. The bottom of the inner cavity of the drive box 23 is rotatably connected to a rotating rod 27 via bearings. The top of the rotating rod 27 and the outer side of the rotating shaft 24 are fixedly fitted with a meshing first bevel gear 28. The bottom of the drive box 23 is fixedly connected to a fixed box. 52, and the bottom ends of the rotating rods 27 all extend into the interior of the fixed box 52 and are all fixedly fitted with the first drive gear 29. The inner cavity of the fixed box 52 is rotatably connected to the reciprocating screw 30 through bearings, and the outer side of the reciprocating screw 30 is equipped with a slider, and the slider cooperates with the reciprocating screw 30. The top of the slider is fixedly connected to the drive rack 31, and the drive rack 31 cooperates with the first drive gear 29. One side of the inner cavity of the fixed box 52 is rotatably connected to the connecting rod 32 through bearings. The outer side of the connecting rod 32 and the reciprocating screw 30 are fixedly fitted with the meshing second bevel gear 33. The worm gear 26 is driven to rotate with the second take-up roller 14 and the first take-up roller 13 through two worm gears 25.

[0025] Among them, a drive disk 36 is placed on the right end of the drive box 23 and outside the rotating tube 7. Several fixing posts 46 are fixedly connected to the right end of the drive disk 36, and one end of each fixing post 46 is fixedly connected to the left side of the drive seat 3, so that the drive disk 36 is supported by the fixing posts 46.

[0026] The drive disk 36 has a sliding disk 35 slidably connected inside, and the right end of the fixed box 52 is fixedly connected to the left end of the sliding disk 35. One end of the connecting rod 32 extends into the drive disk 36 and is fixedly fitted with a second drive gear 34. A first rack segment 37 is fixedly connected to the inner wall of the sliding disk 35, and a second rack segment 38 is fixedly connected to the inner wall of the sliding disk 35 below the first rack segment 37. The second drive gear 34 engages with both the first rack segment 37 and the second rack segment 38, so that when the fixed disk 8 rotates, the fixed disk... 8 drives the drive box 23 and the fixed box 52 to rotate, causing the fixed box 52 to drive the sliding disk 35 to slide inside the drive disk 36. When the second rack segment 38 disengages from the second drive gear 34, the drive rack 31 moves to the farthest stroke behind the reciprocating screw 30. When the first rack segment 37 contacts the second drive gear 34, the drive rack 31 moves forward of the reciprocating screw 30. When the first rack segment 37 disengages from the second drive gear 34, the drive rack 31 moves to the farthest stroke in front of the reciprocating screw 30.

[0027] Each drive box 23 has a first rotary joint 39 installed on its right side. One end of each connecting pipe 41 is connected to one end of the first rotary joint 39. The other end of each first rotary joint 39 is equipped with an air pipe 40. One end of each air pipe 40 extends into the interior of the rotating pipe 7 and is connected to the interior of the rotating pipe 7. The air pipe 40 enables air passage between the rotating pipe 7 and the first rotary joint 39.

[0028] The drive base 3 has a first motor 44 fixedly connected to its left side. One end of the rotating tube 7 extends into the drive base 3. The output end of the first motor 44 and the outer side of the rotating tube 7 are both fixedly fitted with meshing transmission gears 45. The right end of the drive base 3 is equipped with a second rotary joint 42. The other end of the rotating tube 7 is connected to one end of the second rotary joint 42. The top of the drive base 3 is equipped with an air pump 43. One end of the air pump 43 is connected to the other end of the second rotary joint 42. Gas is input into the second rotary joint 42 through the air pump 43.

[0029] The discharge machine 5 has a discharge channel installed at its bottom, the feed machine 6 has a feed hopper fixedly connected to its outer side, the fixed base 2 has a belt conveyor 50 fixedly connected to its top, and the belt conveyor 50 is located below the discharge channel. The discharge machine 5 and the feed machine 6 are both rotatably connected to a screw conveyor shaft 21 through bearings. One end of the discharge machine 5 and the feed machine 6 is fixedly connected to a second motor 49, and the output end of the second motor 49 is fixedly connected to one end of the screw conveyor shaft 21. An ultrasonic vibrator is fixedly connected to the inner wall of the cleaning tank 1. A discharge valve is fixedly connected to the front end of the cleaning tank 1, and a replenishment valve is fixedly connected to the rear end of the cleaning tank 1. Soil remediation liquid is replenished into the cleaning tank 1 through the replenishment valve, and mud and mud water are discharged through the two discharge valves.

[0030] In summary, the vegetation ecological soil remediation system for the contaminated mining area is used in the following way: the soil is poured into the feed hopper and then enters the feeder 6. The output of the second motor 49 drives the screw conveyor shaft 21 to rotate, so that the screw conveyor shaft 21 drives the soil to fall into the cleaning hopper 10 located below through the inlet 20 and the outlet 19. At this time, the ultrasonic vibrator on the inner wall of the cleaning tank 1 performs ultrasonic vibration on the remediation liquid and soil inside the cleaning tank 1 to clean the soil, wash out the pollutants, and discharge the mud into the cleaning tank 1 through the filter hole 22. After cleaning, the output of the first motor 44 drives a transmission gear 45 to rotate, which in turn drives the rotating tube 7 to rotate the fixed plate 8, mounting block 9, first winding box 11, cleaning bag 10, and second winding box 12. When the cleaning bag 10 rotates out of the water, the second drive gear 34 corresponding to the lower cleaning bag 10 contacts the second rack segment 38, causing the second rack segment 38 to drive the second drive gear 34 to rotate the connecting rod 32. The connecting rod 32 then drives the second bevel gear 33 to rotate, which in turn drives the reciprocating screw 30, slider, and drive rack 31 to move. This causes the drive rack 31 to drive the first drive gear 29, rotating rod 27, and first bevel gear 28 to rotate, which in turn drives the rotating shaft 24 to rotate. The rotating shaft 24 then drives the two worm gears 25 to rotate, which in turn drives the worm wheel 26 to rotate, causing the first winding roller 13 to rotate. The first take-up roller 13 releases the cleaning belt 15 as the second take-up roller 14 rotates, causing the cleaning belt 15 to move along the inside of the pad groove 51. The cleaning part on the cleaning belt 15 gradually moves from front to back, and the through groove 47 scrapes the mud and sand towards the discharge port 18. When the through groove 47 is wound towards the second take-up roller 14, the mud and sand inside the through groove 47 falls out because the cleaning belt 15 bends at the discharge port 18. The mud and sand enter the discharge machine 5 through the through port 19 and the inlet 20. When the cleaning bag 10 rotates upward, the aggregate such as stones inside the cleaning bag 10 enters the discharge machine 5 through the through port 19 and the inlet 20. The output end of the second motor 49 drives the screw conveyor shaft 21 to rotate, so that the screw conveyor shaft 21 discharges the separated material inside the discharge machine 5 through the discharge channel and falls onto the surface of the belt conveyor 50, and is conveyed out by the belt conveyor 50. When the cleaning pocket 10 rotates to the top, the second drive gear 34 disengages from the second rack segment 38, and then the solenoid valve corresponding to the upper cleaning pocket 10 is opened, so that the air pipe 40 and the rotating pipe 7 are connected. The compressed gas is discharged into the second rotary joint 42 through the air pump 43, and then enters the rotating pipe 7 through the second rotary joint 42 and the air pipe 40 enters the first rotary joint 39 and the connecting pipe 41. Then it enters the pipeline through the connecting pipe 41 and enters the nozzle 16 through the pipeline. It is sprayed out through the nozzle 16 into the corresponding filter hole 22 to spray out the blockage mud and sand inside the filter hole 22. Then the solenoid valve is closed, so that the air pipe 40 and the rotating pipe 7 are disconnected. When the lower cleaning pocket 10 rotates, the upper cleaning pocket 10 rotates together with the fixed plate 8, causing the first rack segment 37 to drive the second drive gear 34 to rotate the connecting rod 32. The connecting rod 32 then drives the second bevel gear 33 to rotate, causing the second bevel gear 33 to drive the reciprocating screw 30, the slider, and the drive rack 31 to reset and move. This causes the drive rack 31 to drive the first drive gear 29, the rotating rod 27, and the first bevel gear 28 to reset and rotate. The first bevel gear 28 then drives the rotating shaft 24 to reset and rotate, causing the rotating shaft 24 to drive the two worm gears 25 to reset and rotate. The worm gear 25 drives the worm wheel 26 to reset and rotate, causing the first take-up roller 13 and the second take-up roller 14 to reset and rotate. The second take-up roller 14 releases the cleaning belt 15, and the first take-up roller 13 takes up the cleaning belt 15, causing the cleaning belt 15 to move along the inside of the pad groove 51. The cleaning part on the cleaning belt 15 gradually moves from the back to the front until the through groove 47 is located inside the several filter holes 22 on the cleaning bag 10, until the first rack segment 37 disengages from the second drive gear 34, the through groove 47 moves into place, and then the cleaning bag 10 rotates to the bottom to continue soil cleaning. The mud inside the cleaning tank 1 is discharged through the mud discharge valve, and the soil cleaning solution is replenished into the cleaning tank 1 through the replenishment valve.

[0031] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The installation methods between equipment are also the same as conventional installation methods in the prior art. For example, the two ends of shaft-shaped parts are connected by bearings, the connection position of valve components is provided with anti-leakage rubber strips, the outside of threaded rods or lead rods is provided with dust covers, and the equipment can be driven by either built-in batteries or external power supply. The control method is automatic control by a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this invention is mainly used to protect mechanical devices, this invention will not explain the control method and circuit connection in detail. The external controller mentioned in the specification can play a control role for the electrical components mentioned herein, and the external controller is a conventional known device.

[0032] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A vegetation-based ecological soil remediation system for contaminated mining areas, characterized in that: The system includes a soil screening machine for contaminated mining areas, a remediation solution preparation machine, a loading and washing machine, a liquid phase treatment machine, and a solid phase treatment machine. The soil screening machine performs preliminary screening of the soil to remove large stones and debris. The remediation solution preparation machine selects appropriate remediation agents according to the type of pollutants. The loading and washing machine uses the remediation agents to wash the soil. The liquid phase treatment machine allows the remediation solution containing pollutants to enter a water treatment system for multi-stage treatment, including sedimentation, filtration, and adsorption. The solid phase treatment machine allows the cleaned soil to enter a conditioning process, where organic matter and microbial agents are added to adjust the soil's physical and chemical properties. The loading and cleaning machine includes a cleaning tank (1), a fixed base (2) is fixedly connected to the left side of the cleaning tank (1), a drive base (3) is fixedly connected to the right side of the cleaning tank (1), a mounting column (4) is fixedly connected to one side of the fixed base (2), a discharge machine (5) is fixedly connected inside the mounting column (4), a feeding machine (6) is fixedly connected inside the mounting column (4) and below the discharge machine (5), a rotating tube (7) is rotatably connected to the left side of the drive base (3) via a bearing, and a fixed plate (8) is fixedly connected to the outside of the rotating tube (7). Two mounting blocks (9) are fixedly connected to the left end of the fixed plate (8), and a cleaning bag (10) is placed between the two mounting blocks (9) and above and below the mounting column (4). The front end of the cleaning bag (10) is fixedly connected to a first winding box (11), and the rear end of the cleaning bag (10) is fixedly connected to a second winding box (12). The outer sides of the second winding box (12) and the first winding box (11) are fixedly connected to one end of the corresponding mounting block (9). Several filter holes (22) are opened on the top and front and rear surfaces of the cleaning bag (10).

2. The vegetation ecological soil remediation system for mining area pollution according to claim 1, characterized in that: The inner wall of the cleaning bag (10) is provided with a pad groove (51). The cleaning bag (10) is provided with a side guide groove (17) at both ends of the pad groove (51). A cleaning belt (15) is laid inside the pad groove (51). Both ends of the cleaning belt (15) extend into the two side guide grooves (17). The cleaning bag (10) is provided with an opening (19) at one end near the mounting column (4). The top and bottom of the mounting column (4) are provided with inlets (20). The two inlets (20) are respectively connected to the inside of the discharge machine (5) and the loading machine (6). The front and rear ends of the cleaning bag (10) are provided with outlets (18) in front of and behind the openings (19).

3. The vegetation ecological soil remediation system for mining area pollution according to claim 2, characterized in that: The cleaning belt (15) has two ends passing through two outlets (18) and extending into the first take-up box (11) and the second take-up box (12). The first take-up box (11) is rotatably connected to a first take-up roller (13) via bearings, and the second take-up box (12) is rotatably connected to a second take-up roller (14) via bearings. The two ends of the cleaning belt (15) are fixedly connected to the outer sides of the first take-up roller (13) and the second take-up roller (14), respectively. 5) has a through groove (47) on its surface. A cleaning part is provided on the surface of the cleaning belt (15) and on one side of the through groove (47). The cleaning part is provided with nozzles (16) evenly distributed. A number of nozzles (16) are provided on the surface of the cleaning belt (15). The nozzles (16) are all connected to the pipelines laid inside the cleaning belt (15). A connecting pipe (41) is installed inside the first take-up roller (13), and one end of the connecting pipe (41) is connected to the pipeline inside the cleaning belt (15).

4. The vegetation ecological soil remediation system for mining area pollution according to claim 3, characterized in that: The surface of the fixed disc (8) is fixedly connected to the right end of the cleaning bag (10) with a drive box (23). One end of the first take-up roller (13) and the second take-up roller (14) extends into the drive box (23) and is fixedly fitted with a worm gear (26). On both sides of the inner cavity of the drive box (23) and below the worm gear (26), a worm (25) is rotatably connected by a bearing. The two worms (25) are fixedly connected by a rotating shaft (24). The worms (25) are connected to the worm gear (26) in a transmission manner. The bottom of the inner cavity of the drive box (23) is rotatably connected by a rotating rod (27) through a bearing. The top of the rotating rod (27) and the outer side of the rotating shaft (24) are fixedly fitted with a first bevel gear (28) that meshes with each other. The bottom of each drive box (23) is fixedly connected to a fixed box (52), and the bottom end of each rotating rod (27) extends into the interior of the fixed box (52) and is fixedly fitted with a first drive gear (29). The inner cavity of each fixed box (52) is rotatably connected to a reciprocating screw (30) through a bearing. A slider is mounted on the outside of the reciprocating screw (30), and the slider cooperates with the reciprocating screw (30). The top of each slider is fixedly connected to a drive rack (31), and the drive rack (31) cooperates with the first drive gear (29). One side of the inner cavity of each fixed box (52) is rotatably connected to a connecting rod (32) through a bearing. The outer sides of the connecting rod (32) and the reciprocating screw (30) are fixedly fitted with meshing second bevel gears (33).

5. A vegetation-based ecological soil remediation system for mining area pollution according to claim 4, characterized in that: A drive disk (36) is placed on the right end of the drive box (23) and outside the rotating tube (7). Several fixed posts (46) are fixedly connected to the right end of the drive disk (36), and one end of each fixed post (46) is fixedly connected to the left side of the drive seat (3).

6. The vegetation ecological soil remediation system for mine pollution according to claim 5, characterized in that: The drive disk (36) is slidably connected to a sliding disk (35), and the right end of the fixed box (52) is fixedly connected to the left end of the sliding disk (35). One end of the connecting rod (32) extends into the drive disk (36) and is fixedly fitted with a second drive gear (34). The inner wall of the sliding disk (35) is fixedly connected to a first rack segment (37), and the inner wall of the sliding disk (35) and below the first rack segment (37) is fixedly connected to a second rack segment (38). The second drive gear (34) is engaged with the first rack segment (37) and the second rack segment (38).

7. A vegetation-based ecological soil remediation system for mining area pollution according to claim 6, characterized in that: The right side of each drive box (23) is equipped with a first rotary joint (39), one end of each connecting pipe (41) is connected to one end of the first rotary joint (39), and the other end of each first rotary joint (39) is equipped with an air pipe (40), and one end of each air pipe (40) extends into the interior of the rotating pipe (7) and is connected to the interior of the rotating pipe (7).

8. The vegetation ecological soil remediation system for mining area pollution according to claim 1, characterized in that: A first motor (44) is fixedly connected to the left side of the drive seat (3). One end of the rotating tube (7) extends into the drive seat (3). The output end of the first motor (44) and the outer side of the rotating tube (7) are both fixedly fitted with meshing transmission gears (45). A second rotary joint (42) is installed at the right end of the drive seat (3). The other end of the rotating tube (7) is connected to one end of the second rotary joint (42). An air pump (43) is installed on the top of the drive seat (3). One end of the air pump (43) is connected to the other end of the second rotary joint (42).

9. A vegetation-based ecological soil remediation system for mining area pollution according to claim 1, characterized in that: The bottom of the discharge machine (5) is equipped with a discharge channel, the outside of the feeder (6) is fixedly connected with a feed hopper, the top of the fixed base (2) is fixedly connected with a belt conveyor (50), and the belt conveyor (50) is located below the discharge channel. The discharge machine (5) and the feeder (6) are both rotatably connected to a spiral conveying shaft (21) through bearings. One end of the discharge machine (5) and the feeder (6) is fixedly connected with a second motor (49), and the output end of the second motor (49) is fixedly connected to one end of the spiral conveying shaft (21). An ultrasonic vibrator is fixedly connected to the inner wall of the cleaning tank (1). The front end of the cleaning tank (1) is fixedly connected with a discharge valve, and the rear end of the cleaning tank (1) is fixedly connected with a replenishment valve.

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