Environment-friendly cadmium-polluted farmland soil treatment device

Abstract

The utility model discloses an environment-friendly cadmium-polluted farmland soil treatment device which takes functionalized layered double hydroxide (LDH) as a passivating agent. The soil remediation device comprises a frame, a hand-held frame is arranged at one end of the frame, a control panel is fixed to the middle of the top of the hand-held frame, a material storage box is installed at the top of the frame, a feeding opening is formed in the top of the material storage box, and a mounting frame is arranged at the other end of the frame; an X fluorescence analyzer is mounted at the middle position of one end, far away from the frame, of the mounting frame. Through the arrangement of the soil turning assembly and the soil crushing assembly, when the rotary tillage machine is used, the soil turning assembly firstly turns soil in a farmland, then the material conveying pump works to enable a treating agent to be sprayed to the soil through the spraying head, then the soil crushing assembly crushes the turned soil, the treating agent and the soil can be evenly mixed while crushing is conducted, rotary tillage and treating agent feeding are conducted at the same time, and the working efficiency is improved. The mixing operation of the soil and the treating agent is completed, the soil treatment efficiency is improved, the operation is simple and convenient, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the field of soil treatment, and more specifically, to an environmentally friendly cadmium-contaminated farmland soil treatment device. Background Art

[0002] After searching, the existing patent (publication number: CN211321962U) discloses a soil cadmium pollution passivation agent rotary tillage and scattering device, including a fixed horizontal plate, the top of the fixed horizontal plate is fixedly installed with a collection box with one end penetrating and extending to the bottom of the fixed horizontal plate, and the top left side of the collection box is connected with a feed pipe. The soil cadmium pollution passivation agent rotary tillage and scattering device, by setting the collection box, the passivation agent is mixed in a certain proportion and stored in the collection box, the walking component is started to drive the walking component to drive the rotary tillage and scattering device to move left, and the driving motor is started to drive the driving wheel to rotate, and the driving wheel drives the rotary tillage rod on the rotary tillage shaft column to rotate through the transmission belt and the driven wheel, and then the discharge valve is opened, and the discharge nozzle sprays the passivation agent to treat the land after rotary tillage, realizing the synchronous work of rotary tillage and passivation agent delivery, improving the delivery efficiency of the passivation agent, and reducing the labor intensity at the same time, which is very convenient to use.

[0003] Most of the existing cadmium-contaminated soil treatment methods rely on rotary tillage to till the land first, and then human or machine-based passivation agents, lime powder and other treatment agents are applied. The treatment efficiency is low, and the applied treatment agents cover the soil surface and cannot be well mixed with the soil, resulting in less than ideal treatment effects. In addition, the treatment agents used have low remediation efficiency, resulting in a slow soil remediation process. At the same time, the above-cited patent documents do not propose relevant solutions to solve the above problems.

[0004] Therefore, in order to solve the above problems, an environmentally friendly cadmium-contaminated farmland soil treatment device is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides an environmentally friendly cadmium-contaminated farmland soil treatment device, and a functionalized layered double hydroxide (FeAl-LDH) including molybdate functionalized (MoS4 2- @FeAl-LDH), phosphate functionalization (PO4 3- @FeAl-LDH) and humic acid functionalized (HA@FeAl-LDH) LDH are used as device chemicals to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmentally friendly cadmium-contaminated farmland soil treatment device, comprising a frame, a handrail is provided at one end of the frame, and a control panel is fixed at the middle position of the top of the handrail, a material storage box is installed on the top of the frame, and a feeding port is opened on the top of the material storage box, a mounting frame is provided at the other end of the frame, and an X-ray fluorescence analyzer is installed at the middle position of the mounting frame away from one end of the frame;

[0007] Mounting plates are fixed on both sides of the bottom of the mounting frame near one end of the X-ray fluorescence analyzer, and soil turning components are arranged between the mounting plates. A soil crushing component is arranged at one end of the bottom of the mounting frame near the frame, and a distribution pipe is arranged at the central position of the top of the mounting frame. A feed pump is installed at the bottom of the storage box near one end of the mounting frame, and the output end of the feed pump is connected to the top of the distribution pipe through a conduit, and spray heads are evenly arranged at the central position of the bottom of the mounting frame.

[0008] Preferably, traveling wheels are installed on both sides of the bottom of the frame, and an anti-slip edge is provided at the edge of the top of the frame, and the inner wall of the anti-slip edge is in contact with the outer wall of the storage box.

[0009] Preferably, the vehicle frame is hinged to the mounting frame, and a groove is provided at a central position of the vehicle frame near one end of the mounting frame, a hydraulic telescopic rod is hinged in the groove, and an output end of the hydraulic telescopic rod is hinged to a side wall of the mounting frame.

[0010] Preferably, the handrail is designed as a telescopic structure, and the top of the handrail is designed to be bent at 30°, the bottom of the handrail is hinged to the frame, and fastening bolts are installed at the hinges between the handrail and the frame.

[0011] Preferably, a second dust baffle is fixed to one end of the bottom of the mounting frame close to the X-ray fluorescence analyzer by bolts, and a first dust baffle is fixed to one end of the bottom of the mounting frame by bolts.

[0012] Preferably, the soil crushing assembly includes a first motor, a mounting plate, a soil drilling cone, a spiral blade and a pulley mechanism, the first motor is fixed to one side of the top of the mounting frame, and the bottom end of the mounting frame close to the frame is evenly connected to the mounting plate through a bearing, the output end of the first motor is connected to the mounting plate below it through a rotating shaft, and the mounting plates are transmission connected through a pulley mechanism, the bottom of the mounting plate is fixed with a soil drilling cone by bolts, and the outer surface of the soil drilling cone is provided with spiral blades.

[0013] Preferably, the soil-turning assembly includes soil-turning blades, a central axis and a reinforcement ring, and the central axis is rotatably connected to the mounting plate via a bearing, the outer surface of the central axis is provided with soil-turning blades distributed at equal angles, and a reinforcement ring is connected between the soil-turning blades, a second motor is fixed to one side of the mounting plate, and the output end of the second motor is connected to the central axis of the soil-turning assembly via a rotating shaft.

[0014] Preferably, nozzles are provided at the bottom and periphery of the spray head, and the bottom of the distribution pipe is connected to the feed port at the top of the spray head through a branch pipe, and the branch pipes at the bottom of the distribution pipe all penetrate the mounting frame and are threadedly connected to the spray head.

[0015] The technical effects and advantages of the utility model are as follows: compared with the prior art, the environmentally friendly cadmium-contaminated farmland soil treatment device is provided with a soil turning component and a soil crushing component. When in use, the soil turning component first turns the farmland, and then the feed pump works to spray the treatment agent from the spray head to the soil through the distribution pipe. After that, the soil crushing component crushes the turned-out soil, and the treatment agent and the soil can be mixed evenly during the crushing. The rotary tillage and the treatment agent are placed at the same time, and the mixing operation of the soil and the treatment agent is completed, thereby improving the efficiency of soil treatment and reducing the workload of the operator. The operation is simple and practical. In addition, the use of functionalized layered double hydroxide (FeAl-LDH) includes molybdate functionalized (MoS4 2- @FeAl-LDH), phosphate functionalization (PO4 3- @FeAl-LDH) and humic acid functionalized (HA@FeAl-LDH) as treatment agents improved the passivation efficiency of cadmium and accelerated the soil remediation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the frame structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the soil turning component of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the soil crushing component of the utility model.

[0020] The accompanying drawings are marked as follows: 1. frame; 101. anti-slip edge; 102. groove; 2. handrail; 3. control panel; 4. storage box; 5. feeding port; 6. feed pump; 7. conduit; 8. distribution pipe; 9. mounting frame; 901. mounting plate; 10. first motor; 11. first dust baffle; 12. soil crushing assembly; 13. second motor; 14. X-ray fluorescence analyzer; 15. second dust baffle; 16. hydraulic telescopic rod; 17. walking wheel; 18. soil turning assembly; 1801. soil turning blade; 1802. middle axis; 1803. reinforcement ring; 19. spray head; 1901. nozzle; 20. mounting plate; 21. soil drilling cone; 22. spiral blade; 23. pulley mechanism. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] As attached Figure 1 An environmentally friendly cadmium-contaminated farmland soil treatment device is shown, comprising a frame 1, a hand frame 2 is provided at one end of the frame 1, and a control panel 3 is fixed at the middle position of the top of the hand frame 2, a material storage box 4 is installed on the top of the frame 1, and a feeding port 5 is opened on the top of the material storage box 4, a mounting frame 9 is provided at the other end of the frame 1, and an X-ray fluorescence analyzer 14 is installed at the middle position of the mounting frame 9 away from one end of the frame 1;

[0024] Mounting plates 901 are fixed on both sides of the bottom of the mounting frame 9 near one end of the X-ray fluorescence analyzer 14, and a soil turning assembly 18 is arranged between the mounting plates 901, a soil crushing assembly 12 is arranged at one end of the bottom of the mounting frame 9 near the frame 1, and a distribution pipe 8 is arranged at the central position of the top of the mounting frame 9, a feed pump 6 is installed at the bottom of the storage box 4 near one end of the mounting frame 9, and the output end of the feed pump 6 is connected to the top of the distribution pipe 8 through a conduit 7, and spray heads 19 are evenly arranged at the central position of the bottom of the mounting frame 9.

[0025] Wherein: the X-ray fluorescence analyzer 14 is bidirectionally electrically connected to the PLC controller in the control panel 3. When working, the X-ray fluorescence analyzer 14 detects the cadmium concentration of the soil in the farmland, and the detection result is sent to the display screen of the control panel 3 for display. The operator can control the flow rate of the feed pump 6 according to the detected cadmium concentration, thereby controlling the application amount of the treatment agent to avoid excessive or insufficient spraying of the treatment agent.

[0026] Embodiment 2

[0027] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0028] As a preferred embodiment, walking wheels 17 are installed on both sides of the bottom of the frame 1, and an anti-slip edge 101 is provided at the edge of the top of the frame 1, and the inner wall of the anti-slip edge 101 is in contact with the outer wall of the storage box 4; further, the anti-slip edge 101 is designed to limit the storage box 4 to prevent it from tilting or falling, which is safer to use.

[0029] As a preferred embodiment, the frame 1 is hinged to the mounting frame 9, and a groove 102 is provided at the central position of the frame 1 near one end of the mounting frame 9, a hydraulic telescopic rod 16 is hinged in the groove 102, and the output end of the hydraulic telescopic rod 16 is hinged to the side wall of the mounting frame 9; further, the operation of the hydraulic telescopic rod 16 can drive the mounting frame 9 to rotate to a certain extent, that is, change the inclination angle and height of the mounting frame 9, so as to facilitate adaptation to different terrains.

[0030] As a preferred embodiment, the handrail 2 is designed as a telescopic structure, and the top of the handrail 2 is designed to be bent at 30°, the bottom of the handrail 2 is hinged to the frame 1, and fastening bolts are installed at the hinges of the handrail 2 and the frame 1; further, the telescopic structure design and the hinged design make the length, height and inclination of the handrail 2 adjustable, which is convenient for people of different heights to use and has stronger applicability.

[0031] As a preferred embodiment, a second dust shield 15 is fixed by bolts to one end of the bottom of the mounting frame 9 close to the X-ray fluorescence analyzer 14, and a first dust shield 11 is fixed by bolts to one end of the bottom of the mounting frame 9 close to the frame 1; further, the first dust shield 11 is designed to prevent the crushed soil from splashing toward the operator and soiling the operator's clothes, and the second dust shield 15 is designed to prevent soil from splashing onto the X-ray fluorescence analyzer 14 and affecting its detection results, and the design is more reasonable.

[0032] As a preferred embodiment, the soil crushing component 12 includes a first motor 10, a mounting disk 20, a soil drilling cone 21, a spiral blade 22 and a pulley mechanism 23. The first motor 10 is fixed to one side of the top of the mounting frame 9, and the bottom of the mounting frame 9 is evenly connected to the mounting disk 20 through a bearing at one end close to the frame 1. The output end of the first motor 10 is connected to the mounting disk 20 below it through a rotating shaft, and the mounting disks 20 are transmission-connected through a pulley mechanism 23. The bottom of the mounting disk 20 is fixed with a soil drilling cone 21 by bolts, and the outer surface of the soil drilling cone 21 is provided with a spiral blade 22. Further, the first motor 10 works to drive the mounting disk 20 below it to rotate, and the remaining mounting disks 20 are rotated synchronously through the pulley mechanism 23, that is, multiple soil drilling cones 21 rotate synchronously, and the spiral blades 22 can crush the soil turned over by the soil turning component 18 in the previous step, and the treatment agent and the soil can be mixed evenly while crushing, thereby improving the effect of soil treatment.

[0033] As a preferred embodiment, the soil-turning assembly 18 includes soil-turning blades 1801, a central axis 1802 and a reinforcement ring 1803, and the central axis 1802 is rotatably connected to the mounting plate 901 through a bearing, the outer surface of the central axis 1802 is provided with soil-turning blades 1801 at equal angles, and the reinforcement ring 1803 is connected between the soil-turning blades 1801, a second motor 13 is fixed to one side of the mounting plate 901, and the output end of the second motor 13 is connected to the central axis 1802 of the soil-turning assembly 18 through a rotating shaft; further, the second motor 13 drives the central axis 1802 to rotate when it works, so that the soil-turning blades 1801 rotate, thereby realizing the soil-turning operation, and the design of the reinforcement ring 1803 can make the soil-turning blades 1801 stronger, less prone to deformation, and longer in service life.

[0034] As a preferred embodiment, nozzles 1901 are provided at the bottom and periphery of the spray head 19, and the bottom of the distribution pipe 8 is connected to the feed port at the top of the spray head 19 through a branch pipe, and the branch pipes at the bottom of the distribution pipe 8 all penetrate the mounting frame 9 and are threadedly connected to the spray head 19; further, the threaded connection design makes it easy to remove the spray head 19 for cleaning and replacement, making it more convenient to use.

[0035] The working process of the utility model is as follows:

[0036] When in use, a diesel generator is configured at the bottom of the frame 1. When in use, the treatment agent is first added into the storage box 4, and the device is pushed to the farmland that needs to be treated. The handgrip 2 is held by the hand to start the device. The X-ray fluorescence analyzer 14 detects the cadmium concentration of the soil in the farmland, and the detection result is sent to the display screen of the control panel 3 for display. The operator can control the flow of the feed pump 6 according to the detected cadmium concentration, and push the device to move on the farmland. The second motor 13 works to drive the central axis 1802 to rotate, that is, the soil-turning blade 1801 rotates to realize the soil-turning operation. The feed pump 6 works to spray the treatment agent from the spray head 19 to the soil through the distribution pipe 8. The first motor 10 works to drive the mounting plate 20 below it to rotate, and the remaining mounting plates 20 are rotated synchronously through the pulley mechanism 23, that is, multiple soil drilling cones 21 rotate synchronously, and the spiral blade 22 can crush the soil turned out by the soil-turning component 18 in the previous step, and the treatment agent and the soil can be mixed evenly while crushing.

[0037] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An environmentally friendly cadmium-contaminated farmland soil treatment device, comprising a frame (1), characterized in that: A handrail (2) is provided at one end of the frame (1), and a control panel (3) is fixed at the middle position of the top of the handrail (2); a material storage box (4) is installed at the top of the frame (1), and a material feeding port (5) is opened at the top of the material storage box (4); a mounting frame (9) is provided at the other end of the frame (1), and an X-ray fluorescence analyzer (14) is installed at the middle position of the mounting frame (9) away from one end of the frame (1); Mounting plates (901) are fixed on both sides of the bottom of the mounting frame (9) near one end of the X-ray fluorescence analyzer (14), and a soil turning assembly (18) is arranged between the mounting plates (901). A soil crushing assembly (12) is arranged at one end of the bottom of the mounting frame (9) near the vehicle frame (1), and a distribution pipe (8) is arranged at the central position of the top of the mounting frame (9). A feed pump (6) is installed at the bottom of the material storage box (4) near one end of the mounting frame (9), and the output end of the feed pump (6) is connected to the top of the distribution pipe (8) through a conduit (7), and spray heads (19) are evenly arranged at the central position of the bottom of the mounting frame (9).

2. The environmentally friendly cadmium-contaminated farmland soil treatment device according to claim 1 is characterized by: Travel wheels (17) are installed on both sides of the bottom of the frame (1), and an anti-slip edge (101) is provided at the edge of the top of the frame (1), and the inner wall of the anti-slip edge (101) is in contact with the outer wall of the material storage box (4).

3. The environmentally friendly cadmium-contaminated farmland soil treatment device according to claim 1 is characterized by: The vehicle frame (1) is hinged to the mounting frame (9), and a groove (102) is provided at a central position of the vehicle frame (1) close to one end of the mounting frame (9), a hydraulic telescopic rod (16) is hinged in the groove (102), and an output end of the hydraulic telescopic rod (16) is hinged to a side wall of the mounting frame (9).

4. The environmentally friendly cadmium-contaminated farmland soil treatment device according to claim 1 is characterized by: The handrail (2) is designed as a telescopic structure, and the top of the handrail (2) is designed to be bent at 30 degrees. The bottom of the handrail (2) is hinged to the frame (1), and the hinges between the handrail (2) and the frame (1) are installed with fastening bolts.

5. The environmentally friendly cadmium-contaminated farmland soil treatment device according to claim 1 is characterized by: A second dustproof baffle (15) is fixed to one end of the bottom of the mounting frame (9) close to the X-ray fluorescence analyzer (14) by means of bolts, and a first dustproof baffle (11) is fixed to one end of the bottom of the mounting frame (9) close to the vehicle frame (1) by means of bolts.

6. The environmentally friendly cadmium-contaminated farmland soil treatment device according to claim 1 is characterized by: The soil crushing assembly (12) comprises a first motor (10), a mounting plate (20), a soil drilling cone (21), a spiral blade (22) and a pulley mechanism (23); the first motor (10) is fixed to one side of the top of the mounting frame (9), and the bottom of the mounting frame (9) close to the vehicle frame (1) is evenly connected to the mounting plate (20) through a bearing; the output end of the first motor (10) is connected to the mounting plate (20) below it through a rotating shaft, and the mounting plates (20) are connected to each other through a pulley mechanism (23) to form a transmission connection; the bottom of the mounting plate (20) is fixed with a soil drilling cone (21) by bolts, and the outer surface of the soil drilling cone (21) is provided with a spiral blade (22).

7. The environmentally friendly cadmium-contaminated farmland soil treatment device according to claim 1 is characterized by: The tilling assembly (18) comprises tilling blades (1801), a central shaft (1802) and a reinforcement ring (1803), and the central shaft (1802) is rotatably connected to a mounting plate (901) via a bearing, the outer surface of the central shaft (1802) is provided with tilling blades (1801) distributed at equal angles, and the reinforcement ring (1803) is connected between the tilling blades (1801), a second motor (13) is fixed to one side of the mounting plate (901), and an output end of the second motor (13) is connected to the central shaft (1802) of the tilling assembly (18) via a rotating shaft.

8. The environmentally friendly cadmium-contaminated farmland soil treatment device according to claim 1 is characterized by: The bottom and periphery of the spray head (19) are provided with nozzles (1901), and the bottom of the distribution pipe (8) is connected to the top feed port of the spray head (19) through a branch pipe, and the bottom branch pipes of the distribution pipe (8) pass through the mounting frame (9) and are threadedly connected to the spray head (19).

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