Organic pollutant soil pollution remediation method and equipment

Abstract

The invention relates to the field of soil remediation equipment, in particular to an organic pollutant soil pollution remediation method and equipment which comprises a fixing seat, a hole rotating mechanism is arranged on the upper surface of the fixing seat, a pesticide spreading mechanism is arranged on the portion, located on one side of the hole rotating mechanism, of the upper portion of the fixing seat, and a first pesticide liquid box is fixedly connected to the upper surface of the fixing seat; a spraying pipe is fixedly connected to the position, opposite to the first liquid medicine box, of the lower surface of the fixing base, a plurality of nozzles are fixedly connected to the lower surface of the spraying pipe at equal intervals, and a water pipe is fixedly connected to the inner top wall of the spraying pipe. The situation that repairing liquid cannot repair deep soil is prevented, the repairing effect is improved, the number of the tooth blocks is increased, the height of the collision blocks and the collision corners is increased, the collision force of the collision corners is increased, when the soil is hard, the collision force of the collision corners can be changed, and it is ensured that equipment can drill holes in the soil.

Description

Technical Field

[0001] The invention relates to the field of soil remediation equipment, and in particular to a method and equipment for remediating soil contamination by organic pollutants. Background Art

[0002] Organic pollutants refer to organic compounds that cause environmental pollution and have harmful effects on ecosystems. These pollutants can be divided into two categories: natural organic pollutants and artificially synthesized organic pollutants. The sources of organic pollutants in the soil are diverse, mainly including industrial pollution sources, transportation pollution sources, agricultural pollution sources and domestic pollution sources. Soil remediation of organic pollutants refers to the use of physical, chemical and biological methods to transfer, absorb, degrade and transform pollutants in the soil to reduce their concentration to an acceptable level, or to convert toxic and harmful pollutants into harmless substances.

[0003] When repairing the soil, the repair liquid can be sprayed on the soil surface, but when spraying, only the soil surface can be sprayed. Sometimes the liquid cannot enter the deep soil layer. Only the soil surface can be repaired, and the deep soil layer cannot be repaired, which reduces the repair effect. Therefore, it is necessary to propose a method and equipment for repairing soil pollution by organic pollutants. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a method and equipment for remediating soil pollution caused by organic pollutants.

[0005] The technical solution adopted by the present invention to solve its technical problems is: an organic pollutant soil pollution remediation device, including a fixed seat, the upper surface of the fixed seat is provided with a rotating hole mechanism, the upper part of the fixed seat is provided with a medicine spreading mechanism on one side of the rotating hole mechanism, the upper surface of the fixed seat is fixedly connected to a first medicine liquid tank, the lower surface of the fixed seat is fixedly connected to a spray pipe relative to the position of the first medicine liquid tank, the lower surface of the spray pipe is fixedly connected to a plurality of nozzles at equal intervals, the inner top wall of the spray pipe is fixedly connected to a water pipe, and the water pipe extends through the first medicine liquid tank and is fixedly connected to a water pump.

[0006] Specifically, the rotating hole mechanism includes a collision angle, a sliding groove is penetrated on the side of the upper surface of the fixed seat away from the first medicine liquid tank, and a sliding block is slidably connected to the inner wall of the sliding groove, and a plurality of collision blocks are equidistantly fixedly connected to the lower surface of the sliding block, and the lower surfaces of several collision blocks are fixedly connected to the collision angle, and a plurality of mounting holes are equidistantly penetrated on the outer wall of the sliding block on the side close to the first medicine liquid tank, and a plurality of inner walls of the mounting holes are slidably connected with tooth blocks, and one ends of several tooth blocks extend to the outside of the corresponding mounting holes, and a screw hole is penetrated on the upper surface of the sliding block relative to the mounting hole, and the screw hole extends through the tooth block and is threadedly connected with a screw rod, and one end of the screw rod extends to the outside of the sliding block and is provided with a first handle.

[0007] Specifically, the medicine spreading mechanism includes a second medicine liquid tank, the upper surface of the fixed seat is fixedly connected to the second medicine liquid tank, the inner bottom wall of the second medicine liquid tank is fixedly connected to a connecting block relative to the position of the impact block, and one end of several of the connecting blocks extends through and out of the fixed seat, the lower surfaces of several of the connecting blocks are penetrated with sliding holes and are fixedly connected with sealing blocks, and several of the sealing blocks are arranged in a ring shape, the inner walls of several of the sealing blocks are slidably connected with connecting pipes, the interiors of several of the connecting blocks are symmetrically penetrated with drainage holes, one end of several of the drainage holes extends through and into the connecting pipe, and several ends of the drainage holes away from the connecting pipe extend into the second medicine liquid tank, several of the connecting pipes extend to the outside of the sealing block and are fixedly connected with drainage blocks, several of the drainage blocks are arranged in a semicircular shape and have drainage holes in the middle, and the lower surfaces of several of the drainage blocks are fixedly connected with arc-shaped stoppers.

[0008] Specifically, a driving cavity is formed through one side of the slider and the connecting block of the fixed seat, and the inner walls of the two driving cavities are rotatably connected to driving rods. The outer wall of the driving rod on one side of the slider is fixedly connected to a first notched gear relative to the position of the tooth block, and the first notched gear is meshed with the tooth block.

[0009] Specifically, the outer wall of the driving rod located on one side of the connecting block is fixedly connected with a second notched gear relative to the connecting pipe, the outer walls of one side of several connecting pipes are fixedly connected with a rack, and several of the second notched gears are meshed with the rack.

[0010] Specifically, a driving motor is fixedly connected to an outer wall of one side of the fixed seat relative to the driving rod, and one end of the two driving rods extends to the outside of the fixed seat through bearings and is fixedly connected to the driving motor through a coupling, support columns are fixedly connected to the four corners of the bottom end of the fixed seat, and moving wheels are fixedly connected to the lower surfaces of the four support columns, and a cart handle is provided at one end of the fixed seat.

[0011] Specifically, a sealing ring is provided at one end of several connecting pipes located in the sealing block, several drainage holes extend through and into the corresponding sealing rings, and a water inlet pipe is provided above the second medicine liquid tank and the first medicine liquid tank.

[0012] A method for remediating soil contamination by organic pollutants, comprising the following steps; Step 1: When in use, first push the fixed base through the cart handle, and the moving wheel drives the fixed base to move to the desired position, pour the liquid medicine into the first liquid medicine tank and the second liquid medicine tank through the water inlet pipe, and start the drive motor and the water pump.

[0013] Step 2: Push the equipment forward using the cart handle. The water pump guides the liquid in the first liquid tank into the water pipe. The liquid enters the spray pipe through the water pipe and is sprayed out through the nozzle to spread the medicine on a large scale on the surface of the contaminated soil.

[0014] Step 3: The driving motor drives the two driving rods to rotate, and the driving rod drives the first notched gear to rotate, and the tooth block, the slider and the impact block are driven to move upward through the first notched gear. When the first notched gear is separated from the tooth block, the slider, the impact block and the impact angle move downward, and the ground is turned through the impact angle. When the ground is hard, the screw is turned out from the slider through the first handle, and the tooth block is inserted into the mounting hole to increase the number of tooth blocks. The screw is turned into the slider through the first handle, the tooth block is limited, and the rising height of the slider is increased. The nozzle sprays the liquid medicine into the turning hole to spray the liquid medicine deep into the ground.

[0015] Step 4: The driving rod drives the second notched gear to rotate, and the second notched gear drives the connecting pipe to move upward through the rack, and the connecting pipe moves upward in the connecting block. At this time, the drain hole is not connected, and the medicine cannot enter the connecting pipe. When the second notched gear is separated from the rack, the connecting pipe drives the drainage block to move downward, and the arc block is against the ground. When the arc block moves to the rotating hole, the drainage block moves into the rotating hole, and the connecting pipe moves downward in the connecting block to connect the drain hole. The medicine in the second medicine tank flows into the connecting pipe through the drain hole, and the medicine is discharged into the rotating hole through the drainage block. The medicine can be sprayed in the rotating hole and the inside of the soil.

[0016] Beneficial effects of the present invention: (1) The method and equipment for remediating soil pollution caused by organic pollutants described in the present invention include starting a water pump to introduce the remediation liquid into a spray pipe, and the spray pipe sprays the remediation liquid through a nozzle to remediate the soil surface. The driving motor is started to drive the driving rod and the first notch gear and the second notch gear to rotate. The first notch gear drives the impact block to move back and forth, and the soil is perforated by the impact block. The second notch gear drives the connecting pipe to move back and forth, and the connecting pipe drives the drainage block to move into the hole to spray the liquid. The liquid can be sprayed on the soil surface, and the soil can also be perforated to spray the remediation liquid on the deep soil for remediation, thereby preventing the remediation liquid from failing to remediate the deep soil and increasing the remediation effect.

[0017] (2) The method and equipment for remediating soil pollution caused by organic pollutants described in the present invention can rotate the screw rod upward by using a handle to rotate the screw rod out of the fixed seat, insert the tooth block into the installation hole, and increase the number of tooth blocks. By increasing the number of tooth blocks, the height of the impact block and the impact angle is increased, and the impact force of the impact angle is increased. When the soil is hard, the impact force of the impact angle can be changed to ensure that the equipment can rotate the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 A schematic diagram of the front view of an organic pollutant soil pollution remediation device provided by the present invention; Figure 2 A schematic diagram of the installation position structure of a slider of an organic pollutant soil pollution remediation device provided by the present invention; Figure 3 A schematic diagram of a cross-sectional structure of a slider of an organic pollutant soil pollution remediation device provided by the present invention; Figure 4 A schematic diagram of the installation position of the second notch gear of an organic pollutant soil pollution remediation device provided by the present invention; Figure 5 A schematic cross-sectional structure diagram of a connecting block, a sealing block and a connecting pipe of an organic pollutant soil pollution remediation device provided by the present invention; Figure 6 A schematic diagram of the front view structure of a connecting pipe of an organic pollutant soil pollution remediation device provided by the present invention; Figure 7 This is a schematic diagram of the front view structure of a first liquid medicine tank of an organic pollutant soil pollution remediation device provided by the present invention.

[0020] In the figure: 1. fixed seat; 2. hole rotating mechanism; 21. impact angle; 22. slider; 23. impact block; 24. mounting hole; 25. tooth block; 26. screw; 3. medicine spreading mechanism; 31. second liquid medicine tank; 32. connecting block; 33. sealing block; 34. connecting pipe; 35. drainage block; 36. arc stopper; 4. first liquid medicine tank; 5. spraying pipe; 6. nozzle; 7. water pipe; 8. water pump; 9. driving rod; 10. first notched gear; 11. rack; 12. driving motor; 13. support column; 14. moving wheel; 15. cart handle; 16. second notched gear. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0022] like Figure 1-Figure 7As shown, an organic pollutant soil pollution remediation device described in the present invention includes a fixed base 1, a rotating hole mechanism 2 is provided on the upper surface of the fixed base 1, a medicine spreading mechanism 3 is provided above the fixed base 1 and located on one side of the rotating hole mechanism 2, a first medicine liquid tank 4 is fixedly connected to the upper surface of the fixed base 1, a spraying pipe 5 is fixedly connected to the position of the lower surface of the fixed base 1 relative to the first medicine liquid tank 4, a plurality of nozzles 6 are fixedly connected to the lower surface of the spraying pipe 5 at equal intervals, a water pipe 7 is fixedly connected to the inner top wall of the spraying pipe 5, and the water pipe 7 extends through the first medicine liquid tank 4 and is fixedly connected to a water pump 8.

[0023] Among them, the hole-turning mechanism 2 includes a collision angle 21, a sliding groove is penetrated on the side of the upper surface of the fixed seat 1 away from the first medicine liquid tank 4, and a slider 22 is slidably connected to the inner wall of the sliding groove, and a plurality of collision blocks 23 are equidistantly fixedly connected to the lower surface of the slider 22, and the lower surfaces of the plurality of collision blocks 23 are fixedly connected to the collision angle 21, and a plurality of mounting holes 24 are equidistantly penetrated on the outer wall of the side of the slider 22 close to the first medicine liquid tank 4, and a plurality of tooth blocks 25 are slidably connected to the inner walls of the plurality of mounting holes 24, and one end of the plurality of tooth blocks 25 extends to the outside of the corresponding mounting holes 24, and a screw hole is penetrated on the upper surface of the slider 22 relative to the position of the mounting hole 24, and the screw hole extends through and extends into the tooth block 25 and is threadedly connected with a screw 26, and one end of the screw 26 extends to the outside of the slider 22 and is provided with a first handle.

[0024] The drug dispensing mechanism 3 includes a second drug liquid tank 31, the upper surface of the fixed seat 1 is fixedly connected with the second drug liquid tank 31, the inner bottom wall of the second drug liquid tank 31 is fixedly connected with a connecting block 32 relative to the position of the impact block 23, and one end of several connecting blocks 32 extends through the fixed seat 1, and the lower surfaces of several connecting blocks 32 are penetrated with sliding holes and fixedly connected with sealing blocks 33, and several sealing blocks 33 are arranged in a ring shape, and the inner walls of several sealing blocks 33 are slidably connected with The connecting pipe 34 and the interiors of several connecting blocks 32 are symmetrically penetrated with drainage holes, one end of several drainage holes extends into the connecting pipe 34, and the ends of several drainage holes away from the connecting pipe 34 extend into the second medicine liquid tank 31, several connecting pipes 34 extend to the outside of the sealing block 33 and are fixedly connected with drainage blocks 35, several drainage blocks 35 are semicircularly arranged and have drainage holes in the middle, and arc-shaped stoppers 36 are fixedly connected to the lower surfaces of several drainage blocks 35.

[0025] Among them, a driving cavity is penetrated by the fixed seat 1 on one side of the slider 22 and the connecting block 32, and the inner walls of the two driving cavities are rotatably connected with the driving rod 9. The outer wall of the driving rod 9 on one side of the slider 22 is fixedly connected with the first notched gear 10 relative to the position of the tooth block 25, and the first notched gear 10 is meshed with the tooth block 25.

[0026] Among them, the outer wall of the driving rod 9 located on one side of the connecting block 32 is fixedly connected with the second notched gear 16 relative to the connecting tube 34, the outer walls of one side of several connecting tubes 34 are fixedly connected with the rack 11, and several second notched gears 16 are meshed with the rack 11.

[0027] Among them, the outer wall of one side of the fixed seat 1 is fixedly connected to the position of the driving rod 9, and one end of the two driving rods 9 extends to the outside of the fixed seat 1 through bearings and is fixedly connected to the driving motor 12 through a coupling, and the four corners of the bottom end of the fixed seat 1 are fixedly connected to support columns 13, and the lower surfaces of the four support columns 13 are fixedly connected to moving wheels 14, and a cart handle 15 is provided at one end of the fixed seat 1.

[0028] Among them, a plurality of connecting pipes 34 are provided with sealing rings at one end located in the sealing block 33, a plurality of drainage holes extend through and into the corresponding sealing rings, and a water inlet pipe is provided above the second liquid medicine tank 31 and the first liquid medicine tank 4.

[0029] A method for remediating soil contamination by organic pollutants, comprising the following steps; Step 1: When in use, first push the fixed base 1 through the cart handle 15, and the moving wheel 14 drives the fixed base 1 to move to the desired position, pour the liquid medicine into the first liquid medicine tank 4 and the second liquid medicine tank 31 through the water inlet pipe, and start the drive motor 12 and the water pump 8.

[0030] Step 2: Push the device forward through the cart handle 15, the water pump 8 guides the liquid medicine in the first liquid medicine tank 4 into the water pipe 7, the liquid medicine enters the spray pipe 5 through the water pipe 7, and the liquid medicine is sprayed out through the nozzle 6 to spread the medicine on the surface of the contaminated soil on a large scale.

[0031] Step 3: The driving motor 12 drives the two driving rods 9 to rotate, and the driving rod 9 drives the first notched gear 10 to rotate, and the tooth block 25, the slider 22 and the impact block 23 are driven to move upward through the first notched gear 10. When the first notched gear 10 is separated from the tooth block 25, the slider 22, the impact block 23 and the impact angle 21 move downward, and the ground is turned through the impact angle 21. When the ground is hard, the screw 26 is turned out from the slider 22 through the first handle, and the tooth block 25 is inserted into the mounting hole 24 to increase the number of tooth blocks 25. The screw 26 is turned into the slider 22 through the first handle, the tooth block 25 is limited, and the rising height of the slider 22 is increased. The nozzle 6 sprays the liquid medicine into the turning hole to spray the liquid medicine deep into the ground.

[0032] Step 4: The driving rod 9 drives the second notched gear 16 to rotate, and the second notched gear 16 drives the connecting pipe 34 to move upward through the rack 11. The connecting pipe 34 moves upward in the connecting block 32. At this time, the drain hole is not connected, and the liquid medicine cannot enter the connecting pipe 34. When the second notched gear 16 is separated from the rack 11, the connecting pipe 34 drives the drainage block 35 to move downward, and the arc block 36 is against the ground. When the arc block 36 moves to the rotating hole, the drainage block 35 moves into the rotating hole, and the connecting pipe 34 moves downward in the connecting block 32 to connect the drain hole. The liquid medicine in the second liquid medicine tank 31 flows into the connecting pipe 34 through the drain hole, and the liquid medicine is discharged into the rotating hole through the drainage block 35. The liquid medicine can be sprayed in the rotating hole and the liquid medicine can be sprayed inside the soil.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. An organic pollutant soil pollution remediation device, comprising a fixed seat (1), a rotating hole mechanism (2) is provided on the upper surface of the fixed seat (1), and a drug spreading mechanism (3) is provided above the fixed seat (1) and on one side of the rotating hole mechanism (2), characterized in that: The upper surface of the fixing seat (1) is fixedly connected to a first liquid medicine tank (4), the lower surface of the fixing seat (1) is fixedly connected to a spray pipe (5) at a position relative to the first liquid medicine tank (4), the lower surface of the spray pipe (5) is fixedly connected to a plurality of nozzles (6) at equal intervals, the inner top wall of the spray pipe (5) is fixedly connected to a water pipe (7), and the water pipe (7) extends through the first liquid medicine tank (4) and is fixedly connected to a water pump (8).

2. The organic pollutant soil remediation equipment according to claim 1 is characterized by: The hole-turning mechanism (2) comprises a collision angle (21); a side of the upper surface of the fixed seat (1) away from the first liquid medicine tank (4) is penetrated by a sliding groove; the inner wall of the sliding groove is slidably connected to a slider (22); a lower surface of the slider (22) is equidistantly fixedly connected to a plurality of collision blocks (23); the lower surfaces of the plurality of collision blocks (23) are all fixedly connected to the collision angle (21); a side of the slider (22) close to the first liquid medicine tank (4) is penetrated by an outer wall thereof with a plurality of mounting holes (24) equidistantly; the inner walls of the plurality of mounting holes (24) are slidably connected to tooth blocks (25); one end of the plurality of tooth blocks (25) extends to the outside of the corresponding mounting holes (24); a screw hole is penetrated by a position of the upper surface of the slider (22) relative to the mounting hole (24); the screw hole extends through the tooth block (25) and is threadedly connected to a screw rod (26); one end of the screw rod (26) extends to the outside of the slider (22) and is provided with a first handle.

3. The organic pollutant soil remediation equipment according to claim 1 is characterized by: The drug spreading mechanism (3) comprises a second drug liquid tank (31), the upper surface of the fixed seat (1) is fixedly connected to the second drug liquid tank (31), the inner bottom wall of the second drug liquid tank (31) is fixedly connected to a connecting block (32) at a position relative to the impact block (23), and one end of a plurality of the connecting blocks (32) extends through the fixed seat (1), a plurality of the lower surfaces of the connecting blocks (32) are penetrated by sliding holes and are fixedly connected to sealing blocks (33), and a plurality of the sealing blocks (33) are arranged in a ring shape, and the inner walls of a plurality of the sealing blocks (33) are slidably connected to A connecting pipe (34), the interiors of the plurality of connecting blocks (32) are symmetrically penetrated with drainage holes, one end of the plurality of drainage holes penetrates and extends into the connecting pipe (34), and one end of the plurality of drainage holes away from the connecting pipe (34) penetrates and extends into the second liquid medicine tank (31), the plurality of connecting pipes (34) extend outside the sealing block (33) and are fixedly connected to drainage blocks (35), the plurality of drainage blocks (35) are semicircularly arranged and have drainage holes in the middle, and the lower surfaces of the plurality of drainage blocks (35) are fixedly connected to arc-shaped stoppers (36).

4. The organic pollutant soil remediation equipment according to claim 2 is characterized by: The fixed seat (1) is provided with a driving cavity on one side of the slider (22) and the connecting block (32), and the inner walls of the two driving cavities are rotatably connected to driving rods (9). The outer wall of the driving rod (9) on one side of the slider (22) is fixedly connected to a first notched gear (10) at a position relative to the gear block (25), and the first notched gear (10) is meshed with the gear block (25).

5. The organic pollutant soil remediation equipment according to claim 3 is characterized by: A second notched gear (16) is fixedly connected to the outer wall of the driving rod (9) located on one side of the connecting block (32) at a position relative to the connecting tube (34), a plurality of the outer walls on one side of the connecting tubes (34) are fixedly connected to a rack (11), and a plurality of the second notched gears (16) are meshed with the rack (11).

6. The organic pollutant soil remediation equipment according to claim 4 is characterized by: The outer wall of one side of the fixed seat (1) is fixedly connected to a driving motor (12) at a position relative to the driving rod (9), and one end of each of the two driving rods (9) extends through the fixed seat (1) to the outside and is fixedly connected to the driving motor (12) via a coupling. The four corners of the bottom end of the fixed seat (1) are fixedly connected to support columns (13), and the lower surfaces of the four support columns (13) are fixedly connected to moving wheels (14). A cart handle (15) is provided at one end of the fixed seat (1).

7. The organic pollutant soil remediation equipment according to claim 3 is characterized by: A sealing ring is provided at one end of the plurality of connecting pipes (34) located in the sealing block (33), and a plurality of drainage holes extend through and into the corresponding sealing rings. A water inlet pipe is provided above the second liquid medicine tank (31) and the first liquid medicine tank (4).

8. A method for remediating soil contamination by organic pollutants according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: When in use, first push the fixed base (1) by the cart handle (15), and the moving wheel (14) drives the fixed base (1) to move to a desired position, pour the liquid medicine into the first liquid medicine tank (4) and the second liquid medicine tank (31) through the water inlet pipe, and start the drive motor (12) and the water pump (8); Step 2: The device is pushed forward by the cart handle (15), and the water pump (8) guides the liquid medicine in the first liquid medicine tank (4) into the water pipe (7). The liquid medicine enters the spray pipe (5) through the water pipe (7), and the liquid medicine is sprayed out through the nozzle (6), so as to spread the medicine on the surface of the contaminated soil on a large scale; Step 3: The driving motor (12) drives the two driving rods (9) to rotate, and the driving rod (9) drives the first notched gear (10) to rotate, and the tooth block (25), the slider (22) and the impact block (23) are driven to move upward through the first notched gear (10). When the first notched gear (10) is separated from the tooth block (25), the slider (22), the impact block (23) and the impact angle (21) move downward, and the ground is rotated through the impact angle (21). When the ground is hard, the screw rod (26) is rotated out of the slider (22) through the first handle, and the tooth block (25) is inserted into the mounting hole (24) to increase the number of tooth blocks (25). The screw rod (26) is rotated into the slider (22) through the first handle, and the tooth block (25) is limited to increase the rising height of the slider (22). The nozzle (6) sprays the liquid medicine into the rotating hole to spray the liquid medicine deep into the ground; Step 4: The driving rod (9) drives the second notched gear (16) to rotate, and the second notched gear (16) drives the connecting pipe (34) to move upward through the rack (11). The connecting pipe (34) moves upward in the connecting block (32). At this time, the drainage hole is not connected, and the liquid medicine cannot enter the connecting pipe (34). When the second notched gear (16) is separated from the rack (11), the connecting pipe (34) drives the drainage block (35) to move downward, and the arc-shaped stopper (36) abuts against the ground. When the arc-shaped stopper (36) moves to the rotating hole, the drainage block (35) moves into the rotating hole, and the connecting pipe (34) moves downward in the connecting block (32), so that the drainage hole is connected. The liquid medicine in the second liquid medicine tank (31) flows into the connecting pipe (34) through the drainage hole, and the liquid medicine is discharged into the rotating hole through the drainage block (35). The liquid medicine can be sprayed into the rotating hole, and the liquid medicine can be sprayed into the soil.

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