A soil remediation powder mixing and spreading device

Abstract

The present invention provides a soil repair powder mixing and evenly spreading device, comprising a vehicle body, a pair of semi-circular docking plates that can move toward each other and are retractable are installed on one side of the vehicle body, semi-circular slide plates are slidably installed on the inner walls of the pair of semi-circular docking plates, a driving assembly for driving the corresponding semi-circular slide plate to slide circumferentially is installed at the bottom of one of the semi-circular docking plates, and liftable hangers are installed at the head end of the pair of semi-circular slide plates and the bottom of the tail end of the other semi-circular slide plate, and a right-angle conversion frame is suspended at the bottom of the hanger. The repair powder can not only be evenly sprinkled on a circle of fruit trees in the form of powder, but also can be injected into deep soil in the form of liquid to improve the overall soil repair effect, and can also break the surface soil of a circle of fruit trees and mix it evenly with the powder, which is not easy to lose, has good efficacy, and automatically completes the evenly spreading process.

Description

Technical Field

[0001] The invention relates to the technical field of soil remediation, and in particular to a soil remediation powder mixing and evenly spreading device. Background Art

[0002] With the rapid development of industrial and agricultural production and the accelerating urbanization process, pollutants such as heavy metals, organophosphorus, polychlorinated biphenyls and polycyclic aromatic hydrocarbons are increasingly accumulated in the soil or enriched by organisms. Due to the obvious concealment, latency and irreversibility of soil pollution, the environmental risks it brings are becoming increasingly serious and have led to catastrophic consequences. The management and restoration of contaminated soil is not only related to the protection of basic farmland and the sustainable development of agriculture, but also to food hygiene and safety. It is an indispensable and organic part of the public health security system.

[0003] In order to repair the soil in the fruit tree planting area, microorganisms are currently used to repair the soil. The commonly used application method is mostly manual spreading, that is, manually spreading soil repair powder around the fruit trees. The powder covers the surface of the soil, is easy to lose, and has poor efficacy. The deep soil often cannot be effectively repaired. Summary of the invention

[0004] In view of the above problems, the present invention provides a soil remediation powder mixing and spreading device. The remediation powder can not only be evenly sprinkled on a circle of fruit trees in the form of powder, but also can be injected into deep soil in the form of liquid to improve the overall soil remediation effect. It can also break the surface soil around the fruit trees and mix it evenly with the powder. It is not easy to lose, has good efficacy, and automatically completes the spreading process.

[0005] To solve the above problems, the technical solution adopted by the present invention is:

[0006] A soil remediation powder mixing and spreading device comprises a vehicle body, a pair of semi-annular docking plates that can move toward each other and are retractable are installed on one side of the vehicle body, semi-annular slides are slidably installed on the inner walls of the pair of semi-annular docking plates, a driving component for driving the semi-annular slide of the corresponding side to slide circumferentially is installed at the bottom of one of the semi-annular docking plates, a liftable hanger is installed at the head end of the pair of semi-annular slides and the bottom of the tail end of the other semi-annular slide, a right-angle conversion frame is installed at the bottom of the hanger, a first hanger and a second hanger are fixedly installed at both ends of the right-angle conversion frame, and the bottom of the first hanger is installed A turntable is provided, and a plurality of stirring rods which can be inserted into the soil surface and stirred are evenly distributed at the bottom of the turntable; a powder spray pipe extending to the center of the bottom of the turntable is installed on the first suspension seat, and powder spray holes facing the stirring rods on the corresponding sides are provided on both sides of the bottom of the powder spray pipe; a plurality of insert pipes which can be inserted into the deep layer of the soil are fixedly installed at the bottom of the second suspension seat, and a plurality of liquid outlet holes are provided on the circumferential side wall of the bottom of the insert pipe; a loading box is installed on the top of the vehicle body, and a powder chamber and a liquid chamber are provided in the loading box; an air flow conveying mechanism is installed between the powder chamber and the powder spray pipe, and the liquid chamber is connected to the plurality of insert pipes through a pumping mechanism.

[0007] Preferably, a transverse mounting groove is provided on the top of the vehicle body, a double-headed threaded rod is rotatably connected in the mounting groove, both sides of the double-headed threaded rod are threadedly connected to moving blocks, a first motor that can drive the double-headed threaded rod to rotate is installed at one end of the vehicle body, and longitudinal first hydraulic cylinders are fixedly installed on the moving blocks on both sides, and the telescopic end of the first hydraulic cylinder is fixedly connected to the corresponding side semi-annular docking plate through a connecting block.

[0008] Preferably, the driving assembly includes a motor seat fixedly mounted on one side of the head end of one of the semi-annular docking plates, a second motor is mounted on the motor seat, an output end of the second motor is fixedly connected to a first gear, an outer side of the semi-annular skateboard on the corresponding side is fixedly connected to a semi-annular rack meshing with the first gear, a limiting slide rail is fixed to the side wall of the semi-annular skateboard, and a pair of inner walls of the semi-annular docking plates are provided with limiting slide rails adapted to the limiting slide rails.

[0009] Preferably, a second hydraulic cylinder is vertically fixedly installed at the head end of a pair of semi-annular slides and the tail end of another semi-annular slide, the telescopic end of the second hydraulic cylinder is fixedly connected to the hanger, a rotating cylinder is installed on the hanger, and the rotating end of the rotating cylinder is fixedly connected to the right angle of the right-angle conversion frame.

[0010] Preferably, a driving groove is provided at the bottom of the first hanging seat, a rotating drum is rotatably connected in the driving groove, the lower end of the rotating drum is fixedly connected to the turntable, a third motor is installed on the first hanging seat, the output end of the third motor is connected to the rotating drum through a pair of second gear transmission, and the powder spray pipe passes through the rotating drum.

[0011] Preferably, a hopper is provided on the top of the charging box, a mixing assembly is installed in the liquid chamber, the powder chamber and the liquid chamber are separated by a partition, a circular discharge channel connecting the powder chamber and the liquid chamber is provided in the middle of the partition, and a discharge assembly is installed in the circular discharge channel.

[0012] Preferably, the material unloading assembly includes a fourth motor installed on the side wall of the loading box, the output end of the fourth motor extends into the circular material unloading channel, a plurality of material plates are fixed circumferentially to the extension section of the output end, and the ends of the material plates abut against the inner wall of the circular material unloading channel.

[0013] Preferably, the airflow conveying mechanism includes fan-shaped channels arranged on the front and rear sides of the partition plate, the opposite ends of the fan-shaped channels on both sides are connected to the corresponding sides of the circular feeding channel, an air pump connected to the front fan-shaped channel is installed on the front side of the loading box, and the end of the fan-shaped channel on the rear side is connected to a powder outlet main pipe, and the end of the powder outlet main pipe is connected to two powder outlet branch pipes, and the end of the powder outlet branch pipe is connected to the upper end of the corresponding powder nozzle.

[0014] Preferably, the liquid pumping mechanism includes a liquid pump installed on the side wall of the liquid chamber, the liquid outlet end of the liquid pump is connected to a liquid outlet main pipe, the end of the liquid outlet main pipe is connected to two liquid outlet branch pipes, the ends of the liquid outlet branch pipes extend into the second hanging seat and are connected to multiple tubes.

[0015] The present invention also provides a soil remediation powder, comprising the following raw materials in parts by weight:

[0016] 30-40 parts of microbial powder, 5-10 parts of nano humic acid, 4-8 parts of water retaining agent, 6-9 parts of rooting agent, 20-35 parts of nitrogen, phosphorus and potassium powder, and 15-25 parts of seaweed powder.

[0017] The beneficial effects of the present invention are:

[0018] 1. By installing a vehicle body, a pair of semicircular mounting plates, a pair of semicircular slide plates, a driving assembly, a turntable, a plurality of soil stirring rods and a powder spraying pipe, the vehicle can be driven and moved in the orchard, moved to one side of the fruit tree, a pair of first hydraulic cylinders are started to drive a pair of semicircular mounting plates to extend to both sides of the fruit tree, and then the first motor is started to drive the double-headed threaded rod to rotate, and a pair of first hydraulic cylinders are driven to move through a pair of moving blocks, and then a pair of semicircular mounting plates are driven to move relatively to complete the head-to-tail docking to form a circle around the periphery of the fruit tree, at this time, the second hydraulic cylinder is started to drive the first suspension seat to descend, so that the plurality of soil stirring rods are inserted into the surface soil, and the insertion depth can be adjusted, and the third motor is started to pass The turntable drives multiple soil stirring rods to rotate, break up and stir the surface soil, and start the second motor at the same time, driving the semi-annular rack to rotate circumferentially through the first gear, thereby driving the corresponding semi-annular slide to rotate circumferentially. Since the limiting slide rail fits the limiting slides on both sides, the semi-annular slide can be rotated to the limiting slide on the other side and rotate synchronously against the other semi-annular slide, thereby stirring the surface soil of nearly a circle around the fruit tree. At the same time, the powder spray pipe continuously sprays soil repair powder through the powder spraying holes on both sides, collides with the multiple soil stirring rods, and cooperates with the stirring of the soil to evenly mix with the soil. The even spreading process is completed automatically to avoid powder loss and improve the soil repair effect.

[0019] 2. By installing the right-angle conversion frame, the second hanger and multiple plugs, after completing the uniform spreading process of the soil remediation powder in one circle, start the rotary cylinder to drive the right-angle conversion frame to rotate 90°, turn the second hanger to the bottom, and the second motor rotates in the opposite direction to drive a pair of semi-circular slides to reset, with intermittent pauses. During the pause, the second hydraulic cylinder can be started to insert multiple plugs into the deep soil, and liquid soil remediation powder can be injected into the deep soil through the liquid outlet to further improve the remediation effect.

[0020] 3. By installing the loading box, powder chamber, liquid chamber and feeding assembly, the soil remediation powder is added into the powder chamber through the hopper, and the fourth motor is started to drive multiple material plates to rotate. When the adjacent material plates rotate to the connecting port at the top of the circular feeding channel, the soil remediation powder is automatically loaded. When it rotates to the connecting port at the bottom of the circular feeding channel, the powder falls into the liquid chamber. The feeding amount can be controlled by controlling the number of rotations, and the powder is mixed with water through the mixing assembly to obtain liquid soil remediation powder.

[0021] 4. By installing the air flow conveying mechanism and the pumping liquid mechanism, during the process of evenly spreading the soil remediation powder, multiple material plates rotate continuously, and the soil remediation powder loaded between adjacent material plates is transferred to the corresponding fan-shaped channels. The air pump remains started, and the high-pressure gas blows the loaded powder into the fan-shaped channel on the rear side through the front fan-shaped channel, and then continuously blows it into the powder nozzle through the powder outlet main pipe and two powder outlet branch pipes, thereby realizing an airflow-type continuous spraying process with high efficiency; start the liquid pump, and continuously pump the liquid into multiple insert tubes through the liquid outlet main pipe and two liquid outlet branch pipes, automatically pumping liquid soil remediation powder into the deep soil to deepen the soil remediation process.

[0022] 5. Soil remediation powders include microbial powders, nano-humic acid, water-retaining agents, rooting agents, nitrogen, phosphorus and potassium powders, and seaweed powders. They can increase soil aggregate structure, improve soil voids, increase the nutrient content and water and fertilizer retention capacity in the soil, promote rapid rooting of fruit trees, regulate soil pH, reduce the content of heavy metals and organic pollutants in the soil, promote the growth of fruit trees, and are conducive to the ecological restoration of polluted soils. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A perspective view of the present invention;

[0024] Figure 2 A top view of the present invention;

[0025] Figure 3 A schematic diagram of a pair of semi-annular butt joint plates provided by the present invention in butt joint;

[0026] Figure 4 A bottom view schematic diagram of a pair of semi-annular butt joint plates proposed by the present invention;

[0027] Figure 5 A side view schematic diagram of the first hanging seat and the second hanging seat provided by the present invention;

[0028] Figure 6 A schematic cross-sectional view of a first hanging seat and a second hanging seat provided by the present invention;

[0029] Figure 7 A three-dimensional diagram of a first hanging seat proposed by the present invention;

[0030] Figure 8 A three-dimensional diagram of a second hanging seat proposed by the present invention;

[0031] Fig. 9 This is a schematic diagram of the cannula conversion state proposed by the present invention;

[0032] Fig.10 It is a schematic cross-sectional view of the charging box proposed by the present invention.

[0033] In the figure: 1 car body, 2 first motor, 3 moving block, 4 first hydraulic cylinder, 5 connecting block, 6 semi-circular docking plate, 7 driving groove, 8 semi-circular slide plate, 9 second hydraulic cylinder, 10 second motor, 11 motor seat, 12 liquid outlet main pipe, 13 powder outlet main pipe, 14 charging box, 15 air pump, 16 hopper, 17 liquid pump, 18 fourth motor, 19 double-headed threaded rod, 20 mounting groove, 21 first gear, 22 semi-circular rack, 23 partition, 2 4 circular feeding channel, 25 material plate, 26 fan-shaped channel, 27 mixing component, 28 powder chamber, 29 liquid chamber, 30 limiting slide rail, 31 hanger, 32 rotary cylinder, 33 right angle conversion frame, 34 first hanger, 35 turntable, 36 stirring rod, 37 powder spray pipe, 38 powder outlet branch pipe, 39 third motor, 40 insert pipe, 41 liquid outlet hole, 42 second hanger, 43 powder spray hole, 44 liquid outlet branch pipe, 45 second gear, 46 rotating drum. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0035] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0036] Reference Figure 1-10A soil remediation powder mixing and spreading device comprises a vehicle body 1, a pair of semi-circular docking plates 6 which can move toward each other and are retractable are installed on one side of the vehicle body 1, a transverse mounting groove 20 is provided on the top of the vehicle body 1, a double-headed threaded rod 19 is rotatably connected in the mounting groove 20, both sides of the double-headed threaded rod 19 are threadedly connected to a moving block 3, a first motor 2 which can drive the double-headed threaded rod 19 to rotate is installed at one end of the vehicle body 1, a longitudinal first hydraulic cylinder 4 is fixedly installed on the moving blocks 3 on both sides, and the telescopic end of the first hydraulic cylinder 4 is fixedly connected to the semi-circular docking plate 6 on the corresponding side through a connecting block 5, and the vehicle body 1 is driven and moved in the orchard to one side of the fruit tree, and a pair of first hydraulic cylinders 4 are started to drive a pair of semi-circular mounting plates 6 to extend to both sides of the fruit tree, and then the first motor 2 is started to drive the double-headed threaded rod 19 to rotate, and a pair of first hydraulic cylinders 4 are driven to move through a pair of moving blocks 3, and then a pair of semi-circular mounting plates 6 are driven to move relative to complete head-to-tail docking to form a circle surrounding the periphery of the fruit tree.

[0037] A pair of semi-annular butt joint plates 6 are both slidably mounted with semi-annular slide plates 8 on their inner walls, a driving assembly for driving the semi-annular slide plate 8 on the corresponding side to slide circumferentially is mounted on the bottom of one of the semi-annular butt joint plates 6, the driving assembly comprises a motor seat 11 fixedly mounted on one side of the head end of one of the semi-annular butt joint plates 6, a second motor 10 is mounted on the motor seat 11, a first gear 21 is fixedly connected to the output end of the second motor 10, and a semi-annular rack 22 meshing with the first gear 21 is fixedly connected to the outer side of the semi-annular slide plate 8 on the corresponding side, The side wall of the semi-annular slide plate 8 is fixed with a limiting slide rail 30, and the inner walls of a pair of semi-annular docking plates 6 are provided with limiting slide rails adapted to the limiting slide rails 30. The second motor 10 is started to drive the semi-annular rack 22 to rotate circumferentially through the first gear 21, thereby driving the corresponding semi-annular slide plate 8 to rotate circumferentially. Since the limiting slide rail 30 is adapted to the limiting slide rails on both sides, the semi-annular slide plate 8 can be rotated to the limiting slide rail on the other side and rotate synchronously with the other semi-annular slide plate 8, thereby stirring the surface soil of nearly a circle around the fruit tree.

[0038] A liftable hanger 31 is installed at the head end of a pair of semi-circular skateboards 8 and the bottom of the tail end of the other semi-circular skateboard 8, a right-angle conversion frame 33 is installed at the bottom of the hanger 31, and a first hanger 34 and a second hanger 42 are fixedly installed at both ends of the right-angle conversion frame 33, respectively. A second hydraulic cylinder 9 is vertically fixedly installed at the head end of a pair of semi-circular skateboards 8 and the tail end of the other semi-circular skateboard 8, and the telescopic end of the second hydraulic cylinder 9 is fixedly connected to the hanger 31. A rotating cylinder 32 is installed on the hanger 31, and the rotating end of the rotating cylinder 32 is fixedly connected to the right angle of the right-angle conversion frame 33, which can complete the conversion process of the first hanger 34 and the second hanger 42.

[0039] A turntable 35 is installed at the bottom of the first hanging seat 34, and a driving groove 7 is provided at the bottom of the first hanging seat 34. A rotating drum 46 is rotatably connected in the driving groove 7, and the lower end of the rotating drum 46 is fixedly connected to the turntable 35. A third motor 39 is installed on the first hanging seat 34, and the output end of the third motor 39 is transmission-connected to the rotating drum 46 through a pair of second gears 45. The powder spray pipe 37 runs through the rotating drum 46, and a plurality of stirring rods 36 that can be inserted into the soil surface and stirred are evenly distributed at the bottom of the turntable 35. A powder spray pipe 37 extending to the center of the bottom of the turntable 35 is installed on the first hanging seat 34, and powder spray holes 43 facing the corresponding side stirring rods 36 are provided on both sides of the bottom of the powder spray pipe 37. The powder spray pipe 37 continuously sprays soil repair powder through the powder spray holes 43 on both sides, collides with the plurality of stirring rods 36, and can be evenly mixed with the soil by cooperating with the stirring of the soil.

[0040] A plurality of inserting tubes 40 that can be inserted into the deep soil layer are fixedly installed at the bottom of the second suspension seat 42. A plurality of liquid outlet holes 41 are provided on the bottom circumferential side wall of the inserting tube 40. The second motor 10 rotates in the opposite direction to drive a pair of semi-annular slides 8 to reset, and pauses intermittently. During the pause, the second hydraulic cylinder 9 can be started to insert the plurality of inserting tubes 40 into the deep soil, and liquid soil repair powder can be injected into the deep soil through the liquid outlet holes 41 to further improve the repair effect.

[0041] A loading box 14 is installed on the top of the vehicle body 1, and a powder chamber 28 and a liquid chamber 29 are arranged in the loading box 14. A hopper 16 is arranged on the top of the loading box 14, and a mixing assembly 27 is installed in the liquid chamber 29. The mixing assembly 27 includes a stirring shaft and a stirring blade. The powder chamber 28 and the liquid chamber 29 are separated by a partition 23. A circular feeding channel 24 connecting the powder chamber 28 and the liquid chamber 29 is arranged in the middle of the partition 23. A feeding assembly is installed in the circular feeding channel 24, and the feeding assembly includes a fourth motor 18 installed on the side wall of the loading box 14. The output end of the fourth motor 18 extends to the circular lower In the material channel 24, a plurality of material plates 25 are fixed in the circumferential direction of the output end extension section, and the ends of the material plates 25 are in contact with the inner wall of the circular feeding channel 24. The soil remediation powder is added into the powder chamber 28 through the hopper 16, and the fourth motor 18 is started to drive the plurality of material plates 25 to rotate. When the adjacent material plates 25 rotate to the connecting port at the top of the circular feeding channel 24, the soil remediation powder is automatically loaded. When the adjacent material plates 25 rotate to the connecting port at the bottom of the circular feeding channel 24, the powder falls into the liquid chamber 29. The feeding amount can be controlled by controlling the number of rotations, and the powder is mixed with water through the mixing component 27 to obtain liquid soil remediation powder.

[0042] An airflow conveying mechanism is installed between the powder chamber 28 and the powder nozzle 37, and the airflow conveying mechanism includes fan-shaped channels 26 arranged on the front and rear sides of the partition plate 23. The opposite ends of the fan-shaped channels 26 on both sides are connected to the corresponding sides of the circular feeding channel 24. An air pump 15 connected to the front fan-shaped channel 26 is installed on the front side of the charging box 14. The end of the rear fan-shaped channel 26 is connected to the powder outlet main pipe 13. The end of the powder outlet main pipe 13 is connected to two powder outlet branch pipes 38. The ends of the powder outlet branch pipes 38 are connected to the upper ends of the corresponding powder nozzles 37. The soil remediation powder filled between adjacent material plates 25 is transferred to the corresponding fan-shaped channel 26. The air pump 15 remains in the started state. The high-pressure gas blows the filled powder into the fan-shaped channel 26 on the rear side through the front fan-shaped channel 26, and then continuously blows it into the powder nozzle 37 through the powder outlet main pipe 13 and the two powder outlet branch pipes 38, thereby realizing an airflow-type continuous spraying process with high efficiency.

[0043] The liquid chamber 29 is connected to the multiple insert tubes 40 through a liquid pumping mechanism, which includes a liquid pump 17 installed on the side wall of the liquid chamber 29. The liquid outlet end of the liquid pump 17 is connected to the liquid outlet main pipe 12. The end of the liquid outlet main pipe 12 is connected to two liquid outlet branch pipes 44. The ends of the liquid outlet branch pipes 44 extend into the second hanging seat 42 and are connected to the multiple insert tubes 40. The liquid pump 17 is started to continuously pump the liquid into the multiple insert tubes 40 through the liquid outlet main pipe 12 and the two liquid outlet branch pipes 44, and the liquid soil remediation powder is automatically pumped into the deep soil to deepen the soil remediation process.

[0044] The present invention also provides a soil remediation powder, comprising the following raw materials in parts by weight:

[0045] 30-40 parts of microbial powder, 5-10 parts of nano humic acid, 4-8 parts of water retaining agent, 6-9 parts of rooting agent, 20-35 parts of nitrogen, phosphorus and potassium powder, and 15-25 parts of seaweed powder.

[0046] Among them, nitrogen, phosphorus and potassium powders include urea, potassium dihydrogen phosphate, superphosphate and potassium chloride.

[0047] It can increase soil aggregate structure, improve soil porosity, increase the nutrient content and water and fertilizer retention capacity in the soil, promote rapid rooting of fruit trees, regulate soil pH, reduce the content of heavy metals and organic pollutants in the soil, promote the growth of fruit trees, and is beneficial to the ecological restoration of polluted soil.

[0048] The soil remediation powder is added into the powder chamber 28 through the hopper 16, and the fourth motor 18 is started to drive the multiple material plates 25 to rotate. When the adjacent material plates 25 rotate to the connecting port at the top of the circular feeding channel 24, the soil remediation powder is automatically filled. When it rotates to the connecting port at the bottom of the circular feeding channel 24, the powder falls into the liquid chamber 29. The feeding amount can be controlled by controlling the number of rotations, and the powder is mixed with water through the mixing component 27 to obtain liquid soil remediation powder.

[0049] The driver drives and moves in the orchard to one side of the fruit tree, starts a pair of first hydraulic cylinders 4 to drive a pair of semicircular mounting plates 6 to extend to both sides of the fruit tree, and then starts the first motor 2 to drive the double-headed threaded rod 19 to rotate, and drives the pair of first hydraulic cylinders 4 to move through a pair of moving blocks 3, and then drives the pair of semicircular mounting plates 6 to move relatively to complete the head-to-tail docking to form a circle around the periphery of the fruit tree. At this time, the second hydraulic cylinder 9 is started to drive the first suspension seat 34 to descend, so that multiple soil stirring rods 36 are inserted into the surface soil, and the insertion depth can be adjusted. The third motor 39 is started, and the multiple soil stirring rods 36 can be driven to rotate through the turntable 35. The semi-annular slide 8 is driven to rotate circumferentially, and the semi-annular slide 8 is driven to rotate circumferentially. Since the limiting slide 30 is adapted to the limiting slides on both sides, the semi-annular slide 8 can be turned to the limiting slide on the other side, and rotate synchronously with the other semi-annular slide 8, so as to stir the surface soil of nearly a circle around the fruit tree. At the same time, the powder spray pipe 37 continuously sprays soil repairing powder through the powder spraying holes 43 on both sides, collides with the multiple soil stirring rods 36, and cooperates with the stirring of the soil to mix with the soil evenly.

[0050] During the process of evenly spreading the soil remediation powder, multiple material plates 25 rotate continuously, and the soil remediation powder loaded between adjacent material plates 25 is transferred to the corresponding fan-shaped channels 26. The air pump 15 remains started, and the high-pressure gas blows the loaded powder into the fan-shaped channel 26 on the rear side through the front fan-shaped channel 26, and then continuously blows it into the powder nozzle 37 through the powder outlet main pipe 13 and the two powder outlet branch pipes 38, thereby realizing an airflow-type continuous spraying process with high efficiency.

[0051] After the uniform spreading process of the soil remediation powder in one circle is completed, the rotating cylinder 32 is started to drive the right-angle conversion frame 33 to rotate 90°, and the second hanger 42 is turned to the bottom. The second motor 10 rotates in the opposite direction to drive the pair of semi-annular slides 8 to reset, and there is an intermittent pause. During the pause, the second hydraulic cylinder 9 can be started to insert the multiple plugs 40 into the deep soil, and the liquid pump 17 can be started to continuously pump the liquid into the multiple plugs 40 through the liquid outlet main pipe 12 and the two liquid outlet branches 44, so as to automatically pump liquid soil remediation powder into the deep soil, thereby further improving the remediation effect.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A soil remediation powder mixing and spreading device, comprising a vehicle body (1), characterized in that: A pair of semi-annular docking plates (6) that are movable toward each other and retractable are installed on one side of the vehicle body (1); semi-annular slide plates (8) are slidably installed on the inner walls of the pair of semi-annular docking plates (6); a driving assembly for driving the semi-annular slide plate (8) on the corresponding side to slide circumferentially is installed at the bottom of one of the semi-annular docking plates (6); a liftable hanger (31) is installed at the head end of the pair of semi-annular slide plates (8) and the bottom of the tail end of the other semi-annular slide plate (8); a right-angle conversion frame (33) is suspended at the bottom of the hanger (31); a first hanger (34) and a second hanger (42) are fixedly installed at both ends of the right-angle conversion frame (33); a turntable (35) is installed at the bottom of the first hanger (34); and insertable soil A plurality of stirring rods (36) are provided on the first hanging seat (34) to stir the soil surface; a powder spraying pipe (37) extending to the center of the bottom of the rotating disk (35) is installed on the first hanging seat (34); both sides of the bottom of the powder spraying pipe (37) are provided with powder spraying holes (43) facing the stirring rods (36) on the corresponding sides; a plurality of inserting pipes (40) capable of being inserted into the deep layer of the soil are fixedly installed on the bottom of the second hanging seat (42); a plurality of liquid outlet holes (41) are provided on the circumferential side walls of the bottom of the inserting pipes (40); a charging box (14) is installed on the top of the vehicle body (1); a powder chamber (28) and a liquid chamber (29) are provided in the charging box (14); an air flow conveying mechanism is installed between the powder chamber (28) and the powder spraying pipe (37); and the liquid chamber (29) and the plurality of inserting pipes (40) are connected via a liquid pumping mechanism.

2. A soil remediation powder mixing and spreading device according to claim 1, characterized in that: A transverse mounting groove (20) is provided on the top of the vehicle body (1), a double-threaded rod (19) is rotatably connected in the mounting groove (20), both sides of the double-threaded rod (19) are threadedly connected to moving blocks (3), one end of the vehicle body (1) is provided with a first motor (2) capable of driving the double-threaded rod (19) to rotate, and longitudinal first hydraulic cylinders (4) are fixedly mounted on the moving blocks (3) on both sides, and the telescopic ends of the first hydraulic cylinders (4) are fixedly connected to the corresponding side semi-annular docking plates (6) through connecting blocks (5).

3. A soil remediation powder mixing and spreading device according to claim 1, characterized in that: The driving assembly comprises a motor seat (11) fixedly mounted on one side of the head end of one of the semi-annular docking plates (6); a second motor (10) is mounted on the motor seat (11); an output end of the second motor (10) is fixedly connected to a first gear (21); an outer side of the semi-annular slide plate (8) on the corresponding side is fixedly connected to a semi-annular rack (22) meshing with the first gear (21); a limit slide rail (30) is fixedly mounted on the side wall of the semi-annular slide plate (8); and a limit slide rail adapted to fit the limit slide rail (30) is provided on the inner walls of a pair of the semi-annular docking plates (6).

4. A soil remediation powder mixing and spreading device according to claim 1, characterized in that: A second hydraulic cylinder (9) is vertically fixedly mounted on the head end of a pair of semi-annular slides (8) and the tail end of the other semi-annular slide (8); the telescopic end of the second hydraulic cylinder (9) is fixedly connected to a hanger (31); a rotating cylinder (32) is mounted on the hanger (31); and the rotating end of the rotating cylinder (32) is fixedly connected to a right angle of a right-angle conversion frame (33).

5. A soil remediation powder mixing and spreading device according to claim 1, characterized in that: A driving groove (7) is provided at the bottom of the first hanging seat (34), a rotating drum (46) is rotatably connected in the driving groove (7), the lower end of the rotating drum (46) is fixedly connected to the turntable (35), a third motor (39) is installed on the first hanging seat (34), the output end of the third motor (39) is transmission-connected to the rotating drum (46) via a pair of second gears (45), and the powder spray pipe (37) passes through the rotating drum (46).

6. A soil remediation powder mixing and spreading device according to claim 1, characterized in that: A hopper (16) is provided on the top of the charging box (14), a mixing assembly (27) is installed in the liquid chamber (29), the powder chamber (28) and the liquid chamber (29) are separated by a partition (23), a circular material discharge channel (24) connecting the powder chamber (28) and the liquid chamber (29) is provided in the middle of the partition (23), and a material discharge assembly is installed in the circular material discharge channel (24).

7. A soil remediation powder mixing and spreading device according to claim 6, characterized in that: The material discharge assembly comprises a fourth motor (18) mounted on the side wall of the charging box (14); the output end of the fourth motor (18) extends into a circular material discharge channel (24); a plurality of material plates (25) are fixed in the circumferential direction of the extension section of the output end; the ends of the material plates (25) abut against the inner wall of the circular material discharge channel (24).

8. A soil remediation powder mixing and spreading device according to claim 7, characterized in that: The air flow conveying mechanism comprises fan-shaped channels (26) arranged on both sides of the front and rear of the partition plate (23), the opposite ends of the fan-shaped channels (26) on both sides are connected to the corresponding sides of the circular feeding channel (24), the front side of the charging box (14) is equipped with an air pump (15) connected to the front fan-shaped channel (26), the end of the rear fan-shaped channel (26) is connected to a powder outlet main pipe (13), the end of the powder outlet main pipe (13) is connected to two powder outlet branch pipes (38), and the end of the powder outlet branch pipe (38) is connected to the upper end of the corresponding powder spray pipe (37).

9. A soil remediation powder mixing and spreading device according to claim 7, characterized in that: The liquid pump mechanism comprises a liquid pump (17) mounted on a side wall of the liquid chamber (29); a liquid outlet end of the liquid pump (17) is connected to a liquid outlet main pipe (12); an end of the liquid outlet main pipe (12) is connected to two liquid outlet branch pipes (44); and ends of the liquid outlet branch pipes (44) extend into a second hanging seat (42) and are in communication with a plurality of insert pipes (40).

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