A lead-contaminated soil remediation device

Abstract

A kind of lead contaminated soil remediation device, including outer shell (1), it is characterized in that: the inside of outer shell (1) is equipped with telescopic elevator (2), and soil loosening device is installed on telescopic elevator (2), and annular disc (5) is arranged on the outer circumference of telescopic elevator (2), and annular disc (5) is coaxially installed with rotating disc (11), and lifting structure (12) is installed on the outside of rotating disc (11), and multiple rotating arms (7) are respectively installed on the outside of lifting structure (12) by hinging shaft (6), and opening and closing mechanism (9) is installed between rotating arm (7) and annular disc (5), and multiple soil treatment units (8) are installed on rotating arm (7), the present application has reasonable structure, and material is widely used, can be widely treated to soil with lead adsorption, and treatment mode is green and environmental protection, with lower cost, and reaches the very good soil remediation effect.

Description

Technical Field

[0001] This invention relates to a soil remediation device, and more particularly to a lead-contaminated soil remediation device, belonging to the field of soil remediation technology. Background Technology

[0002] Lead pollution in soil is widespread globally. Lead poses a significant threat to human health, particularly to children's intellectual development, making the remediation of lead-contaminated soil crucial and urgent. Current technologies primarily employ solidification remediation and washing / recycling methods for lead-contaminated soil. Solidification remediation uses compounds such as phosphates to immobilize lead in the soil, reducing its migration and biological absorption or utilization. While this method is relatively low-cost, lead pollution remains, and it does not fundamentally eliminate the contamination. Washing / recycling involves using acids and chelating agents to dissolve and remove lead contamination from the soil before recycling. Although effective, this method is technically complex and costly, limiting its widespread application.

[0003] Lead-contaminated soil remediation has long been a technical challenge, and there has been a lack of an economical and environmentally friendly way to solve this problem. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings and deficiencies of existing lead-contaminated soil remediation methods, which are difficult to implement, costly, have poor remediation effects, and are limited in their large-scale application. This invention provides a lead-contaminated soil remediation device with a reasonable structure, widely available materials, the ability to adsorb lead on a large scale, a green and environmentally friendly treatment method, low cost, and excellent soil remediation results.

[0005] To achieve the above-mentioned objectives, the technical solution of this invention is: a lead-contaminated soil remediation device, comprising an outer shell, a telescopic lifting mechanism installed inside the outer shell, a soil loosening device installed on the telescopic lifting mechanism, an annular disk arranged on the outer circumference of the telescopic lifting mechanism, a rotating disk coaxially mounted on the annular disk, a lifting structure installed on the outer side of the rotating disk, and multiple rotating arms respectively mounted on the outer side of the lifting structure via hinge shafts, an opening and closing mechanism installed between the rotating arms and the annular disk, and multiple soil treatment units mounted on the rotating arms.

[0006] Furthermore, the soil loosening device includes a motor and a soil loosening drill bit. The motor is installed on the telescopic lift, with the motor shaft pointing vertically downwards, and the soil loosening drill bit is fixed to the motor shaft.

[0007] Furthermore, the soil treatment unit includes a columnar outer cylinder, a lifting inner cylinder, a drill bit, an inner wall, a polymer film layer, and a chestnut shell powder filling layer. The lifting inner cylinder is installed inside the columnar outer cylinder, and the drill bit is installed at the lower end of the lifting inner cylinder. An inner wall is provided on the inner side of the lifting inner cylinder, and a polymer film layer is provided on the outer circumference of the lifting inner cylinder. A chestnut shell powder filling layer is filled between the inner wall and the polymer film layer.

[0008] Furthermore, the soil treatment unit includes a columnar outer cylinder, a lifting inner cylinder, a drill bit, an inner wall, a polymer film layer, a chestnut shell powder filling layer, and a lifting device. The lifting inner cylinder is installed inside the columnar outer cylinder, and the drill bit is installed at the lower end of the lifting inner cylinder. The outer circumference of the lifting inner cylinder is provided with an inner wall, and the outer circumference of the columnar outer cylinder is provided with a polymer film layer. The space between the inner wall and the polymer film layer is filled with a chestnut shell powder filling layer, and a lifting device is installed between the columnar outer cylinder and the rotating arm.

[0009] Furthermore, the opening and closing mechanism includes a slide rail rod, a slide rail groove, a sliding connecting rod, a rotating rod, and an electric gear. The slide rail rod has a slide rail groove, and one end of the slide rail groove is connected to the sliding connecting rod through a sliding member. The other end of the sliding connecting rod is hinged to one end of the rotating rod, and the other end of the rotating rod is connected to the outer end of the slide rail rod through the electric gear.

[0010] Furthermore, the lifting structure adopts an electric lead screw structure or a gear and rack structure.

[0011] Furthermore, a battery is installed inside the outer casing, and a solar panel and a top cover are installed on the top of the outer casing.

[0012] Furthermore, the telescopic lift is an electric telescopic pole.

[0013] Furthermore, a controller is installed inside the outer shell, which is connected to the telescopic lift, the motor, and the retrieval device.

[0014] The beneficial effects of this invention are:

[0015] 1. The present invention has a soil loosening device installed on a telescopic lifting platform. The telescopic lifting platform can drive the soil loosening device to move up and down, and the soil loosening device can quickly and thoroughly loosen the soil.

[0016] 2. The present invention has multiple rotating arms installed on the outer circumference of an annular disk, and multiple soil treatment units are set on the rotating arms. The soil treatment units store chestnut shell powder. Taking advantage of the characteristic that the lignin of chestnut shells has a strong adsorption capacity for lead, the soil treatment units use chestnut shell powder to adsorb lead from the loosened soil.

[0017] 3. This invention has a reasonable structure, uses widely available materials, and can perform lead adsorption treatment on a large scale in soil. The treatment method is green and environmentally friendly, has low cost, and achieves excellent soil remediation results. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 yes Figure 1 A schematic diagram of the oblique side structure.

[0020] Figure 3 yes Figure 1 Top view.

[0021] Figure 4 This is a schematic diagram of the rotating arm of the present invention in a folded state.

[0022] Figure 5 This is an exploded view of the present invention.

[0023] Figure 6 This is a schematic diagram of the rotating arm of the present invention.

[0024] Figure 7 This is a side view of the rotating arm of the present invention.

[0025] Figure 8 This is a schematic diagram of the soil treatment unit of the present invention.

[0026] Figure 9 This is a schematic diagram of the opening and closing mechanism of the present invention.

[0027] Figure 10 This is a schematic diagram of the structure of the annular disk of the present invention.

[0028] Figure 11 This is a top view of the annular disk of the present invention.

[0029] Figure 12 This is a schematic diagram of the rotating disk of the present invention.

[0030] Figure 13 This is a top view of the rotating disk of the present invention.

[0031] In the diagram: 1. Outer shell; 2. Telescopic lifting mechanism; 3. Motor; 4. Soil loosening drill bit; 5. Annular disc; 6. Hinge shaft; 7. Rotating arm; 8. Soil treatment unit; 9. Opening and closing mechanism; 10. Mudguard; 11. Rotating disc; 12. Lifting structure; 13. Battery; 14. Solar panel; 15. Controller; 16. Top cover; 17. Columnar outer cylinder; 18. Lifting inner cylinder; 19. Drill bit; 20. Inner wall; 21. Polymer film layer; 22. Chestnut shell powder filling layer; 23. Slide rail rod; 24. Slide rail groove; 25. Sliding connecting rod; 26. Rotating rod; 27. Electric gear. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] See Figures 1 to 13 The present invention discloses a lead-contaminated soil remediation device, comprising an outer shell 1, characterized in that: a telescopic lifting mechanism 2 is installed inside the outer shell 1, a soil loosening device is installed on the telescopic lifting mechanism 2, an annular disk 5 is provided on the outer circumference of the telescopic lifting mechanism 2, a rotating disk 11 is coaxially installed on the annular disk 5, a lifting structure 12 is installed on the outer side of the rotating disk 11, and multiple rotating arms 7 are respectively installed on the outer side of the lifting structure 12 via hinge shafts 6, an opening and closing mechanism 9 is installed between the rotating arms 7 and the annular disk 5, and multiple soil treatment units 8 are installed on the rotating arms 7.

[0034] The soil loosening device includes a motor 3 and a soil loosening drill bit 4. The motor 3 is installed on the telescopic lifting platform 2, and the shaft of the motor 3 is vertically downward. The soil loosening drill bit 4 is fixed to the shaft of the motor 3.

[0035] The soil treatment unit 8 includes a columnar outer cylinder 17, a lifting inner cylinder 18, a drill bit 19, an inner wall 20, a polymer film layer 21, and a chestnut shell powder filling layer 22. The lifting inner cylinder 18 is installed inside the columnar outer cylinder 17. The drill bit 19 is installed at the lower end of the lifting inner cylinder 18. The inner wall 20 is provided on the inner side of the lifting inner cylinder 18. The polymer film layer 21 is provided on the outer circumference of the lifting inner cylinder 18. The chestnut shell powder filling layer 22 is filled between the inner wall 20 and the polymer film layer 21.

[0036] The soil treatment unit 8 includes a columnar outer cylinder 17, a lifting inner cylinder 18, a drill bit 19, an inner wall 20, a polymer film layer 21, a chestnut shell powder filling layer 22, and a lifting device. The lifting inner cylinder 18 is installed inside the columnar outer cylinder 17. The drill bit 19 is installed at the lower end of the lifting inner cylinder 18. The inner wall 20 is provided on the outer circumference of the lifting inner cylinder 18. The polymer film layer 21 is provided on the outer circumference of the columnar outer cylinder 17. The chestnut shell powder filling layer 22 is filled between the inner wall 20 and the polymer film layer 21. A lifting device is installed between the columnar outer cylinder 17 and the rotating arm 7.

[0037] The opening and closing mechanism 9 includes a slide rail rod 23, a slide rail groove 24, a sliding connecting rod 25, a rotating rod 26, and an electric gear 27. The slide rail rod 23 has a slide rail groove 24. The slide rail groove 24 is connected to one end of the sliding connecting rod 25 through a sliding member. The other end of the sliding connecting rod 25 is hinged to one end of the rotating rod 26. The other end of the rotating rod 26 is connected to the outer end of the slide rail rod 23 through the electric gear 27.

[0038] The lifting structure 12 adopts an electric lead screw structure or a gear and rack structure.

[0039] The housing 1 is equipped with a battery 13 inside, and a solar panel 14 and a top cover 16 are installed on the top of the housing 1.

[0040] The telescopic lift 2 is an electric telescopic pole.

[0041] The outer casing 1 is equipped with a controller 15, which is connected to the telescopic lift 2, the motor 3 and the retrieval device.

[0042] As attached Figure 1 , Figure 2 As shown, this invention employs a method different from existing lead-contaminated soil remediation techniques. It utilizes readily available specific biomass as an adsorbent to physically adsorb lead from the soil. Simultaneously, it employs a combined structure integrating a soil loosening device, a soil treatment unit, and a recycling device for efficient remediation of lead-contaminated soil, achieving excellent remediation results. The specific structure and principle are as follows:

[0043] The outer casing 1 houses a telescopic lifting mechanism 2. This mechanism can be an electric screw structure, a gear and rack structure, or an electromagnetic telescopic lifting device. A soil loosening device is installed at the lower end of the telescopic lifting mechanism 2 to loosen the soil below. The soil loosening device can take various structural forms, primarily using rotation or plowing methods. When using the rotation method, it mainly includes a motor 3 and a soil loosening drill bit 4. The motor 3 is mounted on the telescopic lifting mechanism 2, with its shaft pointing vertically downwards. The soil loosening drill bit 4 is fixed to the shaft of the motor 3, and the soil is loosened by rotating the soil loosening drill bit 4.

[0044] An annular disk 5 is coaxially mounted on the outer side of the telescopic lifting platform 2. A rotating disk 11 is coaxially mounted on the annular disk 5. The rotating disk 11 is mounted on the annular disk 5 via bearings or annular grooves, allowing it to rotate. Furthermore, the rotating disk 11 can be rotated manually, or a gear ring and drive gear can be mounted on the annular disk 5 or the rotating disk 11. The drive gear is driven by a stepper motor. Multiple lifting structures 12 arranged in a ring are mounted on the outer side of the rotating disk 11. The lifting structures 12 employ electric lead screw structures or gear rack structures, enabling lifting over a certain distance.

[0045] Multiple rotating arms 7 are mounted on the outer side of the lifting structure 12 via hinge shafts 6. The rotating arms 7 can open after rotating around the hinge shafts 6 by a certain angle, thereby covering a larger area of ​​soil remediation. An opening and closing mechanism 9 is installed between the rotating arms 7 and the annular disk 5. The opening and closing mechanism 9 can adopt various structural forms. Taking a linkage structure as an example, the opening and closing mechanism 9 includes a slide rail rod 23, a slide rail groove 24, a sliding connecting rod 25, a rotating rod 26, and an electric gear 27. The slide rail rod 23 has a slide rail groove 24. The slide rail groove 24 is connected to one end of the sliding connecting rod 25 through a sliding member. The other end of the sliding connecting rod 25 is hinged to one end of the rotating rod 26. The other end of the rotating rod 26 is connected to the outer end of the slide rail rod 23 through the electric gear 27.

[0046] Multiple soil treatment units 8 are mounted on the rotating arm 7. This invention utilizes the characteristic of chestnut shell lignin to highly adsorb lead. Each soil treatment unit 8 contains ground chestnut shell powder, which adsorbs lead from the soil. The soil treatment unit 8 needs to be inserted into loose soil, primarily employing the following two implementation methods:

[0047] Example 1: The soil treatment unit 8 includes a columnar outer cylinder 17, a lifting inner cylinder 18, a drill bit 19, an inner wall 20, a polymer film layer 21, and a chestnut shell powder filling layer 22. The lifting inner cylinder 18 is installed inside the columnar outer cylinder 17. The drill bit 19 is installed at the lower end of the lifting inner cylinder 18. The inner wall 20 is provided on the inner side of the lifting inner cylinder 18. The polymer film layer 21 is provided on the outer circumference of the lifting inner cylinder 18. The chestnut shell powder filling layer 22 is filled between the inner wall 20 and the polymer film layer 21. When the drill bit 19 rotates, it penetrates the soil, thereby driving the lifting inner cylinder 18 into the soil. When the drill bit 19 rotates in the opposite direction, it can detach from the soil.

[0048] Example 2: The soil treatment unit 8 includes a columnar outer cylinder 17, a lifting inner cylinder 18, a drill bit 19, an inner wall 20, a polymer film layer 21, a chestnut shell powder filling layer 22, and a lifting device. The lifting inner cylinder 18 is installed inside the columnar outer cylinder 17. The drill bit 19 is installed at the lower end of the lifting inner cylinder 18. The outer circumference of the lifting inner cylinder 18 is provided with an inner wall 20. The outer circumference of the columnar outer cylinder 17 is provided with a polymer film layer 21. The space between the inner wall 20 and the polymer film layer 21 is filled with a chestnut shell powder filling layer 22. A lifting device is installed between the columnar outer cylinder 17 and the rotating arm 7. The lifting device is a telescopic structure such as an electric telescopic rod, used to drive the lifting inner cylinder 18 to move up and down.

[0049] In addition, the present invention includes a battery 13 inside the outer casing 1, a solar panel 14 on the upper surface of the outer casing 1, and a top cover 16 on the top of the outer casing 1 for easy use in the field. A controller 15 is installed inside the outer casing 1, and the controller 15 is connected to the telescopic lift 2, the motor 3, and the recovery device.

[0050] The above description is a further detailed explanation of the present invention in conjunction with specific embodiments. It should not be considered that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple substitutions, improvements and changes can be made to the present invention without departing from the concept of the present invention. All such simple substitutions, improvements and changes should be considered to fall within the protection scope of the present invention.

Claims

1. A lead-contaminated soil remediation device, comprising an outer casing (1), characterized in that: The telescopic lifting machine (2) is installed inside the outer shell (1). A soil loosening device is installed on the telescopic lifting machine (2). An annular disk (5) is provided on the outer circumference of the telescopic lifting machine (2). A rotating disk (11) is coaxially installed on the annular disk (5). A lifting structure (12) is installed on the outer side of the rotating disk (11). Multiple rotating arms (7) are installed on the outer side of the lifting structure (12) through hinge shafts (6). An opening and closing mechanism (9) is installed between the rotating arms (7) and the annular disk (5). The opening and closing mechanism (9) includes a slide rail rod (23), a slide rail groove (24), a sliding connecting rod (25), a rotating rod (26), and an electric gear (27). A slide rail groove (24) is provided on the slide rail rod (23). The slide rail groove (24) is connected to one end of the sliding connecting rod (25) through a sliding member. The other end is hinged to one end of the rotating rod (26), and the other end of the rotating rod (26) is connected to the outer end of the slide rail rod (23) through the electric gear (27). Multiple soil treatment units (8) are installed on the rotating arm (7). The soil treatment unit (8) includes a columnar outer cylinder (17), a lifting inner cylinder (18), a drill bit (19), an inner wall (20), a polymer film layer (21), and a chestnut shell powder filling layer (22). The lifting inner cylinder (18) is installed inside the columnar outer cylinder (17). The drill bit (19) is installed at the lower end of the lifting inner cylinder (18). The inner wall (20) is provided on the inner side of the lifting inner cylinder (18). The polymer film layer (21) is provided on the outer circumference of the lifting inner cylinder (18). The chestnut shell powder filling layer (22) is filled between the inner wall (20) and the polymer film layer (21).

2. The lead-contaminated soil remediation device according to claim 1, characterized in that: The soil loosening device includes a motor (3) and a soil loosening drill bit (4). The motor (3) is installed on the telescopic lift (2). The shaft of the motor (3) is vertically downward, and the soil loosening drill bit (4) is fixed on the shaft of the motor (3).

3. A lead-contaminated soil remediation device, comprising an outer casing (1), characterized in that: The telescopic lifting machine (2) is installed inside the outer shell (1). A soil loosening device is installed on the telescopic lifting machine (2). An annular disk (5) is provided on the outer circumference of the telescopic lifting machine (2). A rotating disk (11) is coaxially installed on the annular disk (5). A lifting structure (12) is installed on the outer side of the rotating disk (11). Multiple rotating arms (7) are installed on the outer side of the lifting structure (12) through hinge shafts (6). An opening and closing mechanism (9) is installed between the rotating arms (7) and the annular disk (5). The opening and closing mechanism (9) includes a slide rail rod (23), a slide rail groove (24), a sliding connecting rod (25), a rotating rod (26), and an electric gear (27). A slide rail groove (24) is provided on the slide rail rod (23). The slide rail groove (24) is connected to one end of the sliding connecting rod (25) through a sliding member. The other end of the sliding connecting rod (25) is connected to the rotating rod (26) through the rotating rod (26). One end is hinged, and the other end of the rotating rod (26) is connected to the outer end of the slide rail rod (23) through an electric gear (27). Multiple soil treatment units (8) are installed on the rotating arm (7). The soil treatment unit (8) includes a columnar outer cylinder (17), a lifting inner cylinder (18), a drill bit (19), an inner wall (20), a polymer film layer (21), a chestnut shell powder filling layer (22), and a lifter. The lifting inner cylinder (18) is installed inside the columnar outer cylinder (17). The drill bit (19) is installed at the lower end of the lifting inner cylinder (18). The inner wall (20) is provided on the outer circumference of the lifting inner cylinder (18). The polymer film layer (21) is provided on the outer circumference of the columnar outer cylinder (17). The chestnut shell powder filling layer (22) is filled between the inner wall (20) and the polymer film layer (21). A lifter is installed between the columnar outer cylinder (17) and the rotating arm (7).

4. A lead-contaminated soil remediation device according to claim 1 or 3, characterized in that: The lifting structure (12) adopts an electric lead screw structure or a gear rack structure.

5. A lead-contaminated soil remediation device according to claim 1 or 3, characterized in that: The housing (1) is equipped with a battery (13) inside, and a solar panel (14) and a top cover (16) are installed on the top of the housing (1).

6. A lead-contaminated soil remediation device according to claim 1 or 3, characterized in that: The telescopic lift (2) is an electric telescopic pole.

7. A lead-contaminated soil remediation device according to claim 1 or 3, characterized in that: The outer shell (1) is equipped with a controller (15), which is connected to the telescopic lift (2), the motor (3) and the recovery device.

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