Soil purification treatment device for ecological restoration

Abstract

The invention belongs to the technical field of soil purification and remediation, and particularly relates to a soil purification treatment device for ecological remediation. The filtering part is arranged below the uniform mixing part and is communicated with the uniform mixing part; the collecting part is arranged below the filtering part and is communicated with the filtering part; the uniform mixing part comprises an upper tank body, a motor is fixedly connected to the top end of the upper tank body, an output shaft of the motor is in transmission connection with an auger assembly, the auger assembly is coaxially and rotationally connected into the upper tank body, the auger assembly is in transmission connection with a transmission assembly, the transmission assembly is fixedly connected to the top wall of the inner side of the upper tank body, and the transmission assembly is in transmission connection with a scattering assembly; a first water conveying structure is arranged on the auger assembly, and a second water conveying structure is arranged in the scattering assembly. The device can improve the uniform mixing speed of the polluted soil and the liquid medicine, and is good in uniform mixing effect.

Description

Technical Field

[0001] The invention belongs to the technical field of soil purification and restoration, and in particular relates to a soil purification and treatment device for ecological restoration. Background Art

[0002] Pollutants generated by human activities, if discharged directly without proper treatment, will have certain adverse effects on the ecological environment. For example, when pollutants enter the soil and accumulate to a certain extent, it will lead to a decline in soil quality, crop yield and quality, and some highly toxic pollutants will be enriched in crop fruits, causing poisoning after consumption by humans or livestock. Therefore, soil remediation is very necessary.

[0003] At present, there are many lands that cannot be used due to excessive heavy metal content. If they are directly abandoned, a large amount of arable land will be lost. Conventional remediation treatment for heavy metal pollution requires the use of liquid medicine to remove the metal ions in it to achieve the purification effect. Stirring is an important step in mixing soil and liquid medicine in purification treatment, and its working efficiency determines the efficiency of the overall treatment. Therefore, a soil purification treatment device with good stirring and mixing effect is urgently needed. Summary of the invention

[0004] The purpose of the present invention is to provide a soil purification treatment device for ecological restoration to solve the above problems.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] A soil purification treatment device for ecological restoration, comprising:

[0007] Mixing section;

[0008] A filtering part, disposed below the mixing part and communicated with the mixing part;

[0009] A collecting part, disposed below the filtering part and communicated with the filtering part;

[0010] The mixing part includes an upper tank body, a motor is fixedly connected to the top of the upper tank body, the output shaft of the motor is drivingly connected to an auger assembly, the auger assembly is coaxially rotatably connected to the upper tank body, the auger assembly is drivingly connected to a transmission assembly, the transmission assembly is fixed to the inner top wall of the upper tank body, the transmission assembly is drivingly connected to a breaking up assembly, a first water delivery structure is arranged on the auger assembly, and a second water delivery structure is arranged in the breaking up assembly.

[0011] Preferably, the auger assembly comprises:

[0012] A liquid inlet pipe is coaxially rotatably connected to the upper tank body, a top end of the liquid inlet pipe passes through the upper tank body and is coaxially fixed to the output shaft of the motor, a plurality of first liquid outlet holes are opened on the outer wall of the liquid inlet pipe, and the plurality of first liquid outlet holes are arranged at equal intervals along the length direction of the liquid inlet pipe;

[0013] The auger blade is spirally wound on the outer side wall of the liquid inlet pipe, and the auger blade does not interfere with the first liquid outlet hole.

[0014] Preferably, the first water delivery structure comprises:

[0015] A fixing ring, fixedly connected to the top of the upper tank body, the fixing ring is sleeved on the outside of the liquid inlet pipe and is in sliding connection with the liquid inlet pipe;

[0016] A first annular groove, circumferentially disposed at the inner edge of the fixing ring;

[0017] A water inlet hole is provided on the liquid inlet pipe, and the water inlet hole is located in the first annular groove;

[0018] The first liquid inlet pipe has one end connected to the first annular groove and the other end connected to an external liquid medicine supply device.

[0019] Preferably, the breaking up component comprises:

[0020] A plurality of connecting rods are arranged at equal intervals in the circumferential direction, the connecting rods are arranged horizontally, and one end of the connecting rods is fixedly connected to the transmission assembly;

[0021] A scattering tube is vertically arranged, the top end of the scattering tube is fixedly connected to the connecting rod at the middle of the bottom surface of the connecting rod, and a plurality of second liquid outlet holes are opened on the outer wall of the scattering tube, and the plurality of second liquid outlet holes are evenly spaced along the length direction of the scattering tube;

[0022] A scraper is fixedly connected to the bottom surface of the connecting rod, and the scraper is in sliding contact with the inner wall of the upper tank body.

[0023] Preferably, the second water delivery structure comprises:

[0024] A water distribution ring is circumferentially fixed to the inner wall of the upper tank body, and a first water distribution groove is circumferentially opened at the inner edge of the water distribution ring;

[0025] A slip ring is circumferentially arranged in the first water distribution groove and is slidably connected to the first water distribution groove. A second water distribution groove is circumferentially opened at the outer edge of the slip ring. One end of the connecting rod away from the transmission assembly is fixedly connected to the slip ring. A water delivery groove is opened in the connecting rod. The water delivery groove is connected to the second water distribution groove, and the water delivery groove is connected to the dispersion pipe;

[0026] A second liquid inlet pipe has one end connected to the first water distribution tank and the other end connected to the external liquid medicine supply device.

[0027] Preferably, the transmission assembly comprises:

[0028] A transmission box is fixedly connected to the inner top wall of the upper tank body, and the transmission box is coaxially sleeved on the outer side of the liquid inlet pipe and is slidably connected to the liquid inlet pipe;

[0029] A sleeve, which is sleeved on the outside of the liquid inlet pipe and is slidably connected to the liquid inlet pipe, the sleeve is rotatably connected to the transmission box through a bearing, and the bottom end of the sleeve extends out of the transmission box and is fixedly connected to the connecting rod;

[0030] A first bevel gear, disposed in the transmission box and coaxially fixedly connected to the liquid inlet pipe;

[0031] Two second bevel gears are rotatably connected to two opposite inner side walls of the transmission box, and both of the second bevel gears are meshed with the first bevel gear;

[0032] The third bevel gear is coaxially fixed on the outer wall of the sleeve, and the third bevel gear is meshed with the two second bevel gears.

[0033] Preferably, the collecting unit comprises:

[0034] A lower tank body, connected to the filtering part;

[0035] A negative pressure machine is fixedly connected to the side wall of the lower tank body, and the negative pressure machine is located at the upper part of the lower tank body and is communicated with the lower tank body;

[0036] A plurality of legs are respectively fixed to the four corners of the bottom surface of the lower tank body;

[0037] A water outlet pipe is fixedly connected to the side wall of the lower tank body, the water outlet pipe is located at the lower part of the lower tank body and is connected to the lower tank body, and a valve is arranged on the water outlet pipe;

[0038] An inclined plate is fixedly connected to the inner bottom wall of the lower tank body, and the lower end of the inclined plate faces the water outlet pipe.

[0039] Preferably, the filter unit comprises:

[0040] Filter barrel;

[0041] An upper connecting pipe connected to the top of the filter barrel, the upper connecting pipe is fixedly connected to the bottom end of the upper tank body and communicated with the upper tank body;

[0042] A lower connecting pipe connected to the bottom end of the filter barrel, the lower connecting pipe is fixedly connected to the top end of the lower tank body and communicated with the lower tank body;

[0043] A filter screen is fixedly connected to the inner wall of the filter barrel in a circumferential direction, and the filter screen is located at the lower part of the filter barrel;

[0044] A connecting structure is provided between the filter barrel, the upper connecting pipe and the lower connecting pipe.

[0045] Preferably, the connection structure comprises:

[0046] Two connecting sleeves are both sleeved on the outer side wall of the filter barrel, the two connecting sleeves are respectively located at the upper and lower ends of the filter barrel, and the two connecting sleeves are both slidably connected to the filter barrel;

[0047] Two sealing rubber sleeves are circumferentially fixed to the inner side wall of the connecting sleeve, and a distance is left between the two sealing rubber sleeves;

[0048] A gear is rotatably connected to the outer wall of the filter barrel, and a handle is coaxially fixedly connected to a side of the gear away from the filter barrel;

[0049] The two racks are both vertically arranged, and the two racks are respectively arranged on both sides of the gear and meshed with the gear, and the two racks are respectively fixedly connected to the two connecting sleeves.

[0050] Preferably, a vertically arranged limiting groove is opened on the outer side wall of the filter barrel, and a limiting pin is fixedly connected to the connecting sleeve, and both the limiting pins are slidably connected in the limiting groove.

[0051] Compared with the prior art, the present invention has the following advantages and technical effects:

[0052] When the present invention is in use, the contaminated soil is passed into the upper tank body through the feed hopper, the auger assembly is driven to rotate by the motor to continuously lift up the contaminated soil, the auger assembly drives the scattering assembly through the transmission assembly to scatter the lifted contaminated soil, at the same time, the external liquid medicine supply device simultaneously delivers the liquid medicine into the contaminated soil through the first water delivery structure and the second water delivery structure, and mixes the liquid medicine with the contaminated soil under the action of the auger assembly and the scattering assembly to increase the mixing speed, after a set time, the auger assembly rotates in the opposite direction to deliver the mixed soil into the filtering part, the soil is retained in the filtering part, and the liquid flows into the collecting part, and the collecting part is provided with a negative pressure machine to improve the filtering efficiency.

[0053] The invention can improve the mixing speed of the contaminated soil and the drug solution, and has a good mixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:

[0055] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0056] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0057] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0058] Figure 4 for Figure 1 A partial enlarged view of point C in the middle;

[0059] Figure 5 It is a right side view of the filter barrel in the present invention;

[0060] Among them, 1. upper tank body; 2. motor; 3. first liquid inlet pipe; 4. feed hopper; 5. second liquid inlet pipe; 6. water delivery trough; 7. connecting rod; 8. water distribution ring; 9. scraper; 10. scattering pipe; 11. liquid inlet pipe; 12. auger blade; 13. negative pressure machine; 14. lower tank body; 15. support foot; 16. inclined plate; 17. water outlet pipe; 18. valve; 19. slip ring; 20. fixing ring; 21. water inlet hole; 22. transmission box; 23. bearing; 24. sleeve; 25. first bevel gear; 26. second bevel gear; 27. third bevel gear; 28. upper connecting pipe; 29. ​​connecting sleeve; 30. filter barrel; 31. lower connecting pipe; 32. sealing rubber sleeve; 33. limit pin; 34. rack; 35. gear; 36. handle; 37. limit groove; 38. filter screen. DETAILED DESCRIPTION

[0061] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0062] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0063] Reference Figures 1 to 5The present invention discloses a soil purification device for ecological restoration, comprising:

[0064] Mixing section;

[0065] A filtering part, arranged below the mixing part and communicated with the mixing part;

[0066] A collecting part, arranged below the filtering part and communicated with the filtering part;

[0067] The mixing part includes an upper tank body 1, a motor 2 is fixedly connected to the top of the upper tank body 1, the output shaft of the motor 2 is transmission-connected to an auger assembly, the auger assembly is coaxially rotationally connected in the upper tank body 1, the auger assembly is transmission-connected to a transmission assembly, the transmission assembly is fixed to the inner top wall of the upper tank body 1, the transmission assembly is transmission-connected to a breaking up assembly, a first water delivery structure is arranged on the auger assembly, and a second water delivery structure is arranged in the breaking up assembly.

[0068] When the present invention is in use, the contaminated soil is passed into the upper tank body 1 through the feed hopper 4, and the motor 2 drives the auger assembly to rotate to continuously lift the contaminated soil. The auger assembly drives the breaking assembly through the transmission assembly to break up the lifted contaminated soil. At the same time, the external liquid medicine supply device simultaneously delivers the liquid medicine into the contaminated soil through the first water delivery structure and the second water delivery structure, and mixes the liquid medicine with the contaminated soil under the action of the auger assembly and the breaking assembly to increase the mixing speed. After a set time, the auger assembly rotates in the opposite direction to deliver the mixed soil into the filter part, the soil is retained in the filter part, and the liquid flows into the collection part. At the same time, the collection part is provided with a negative pressure machine 13 to improve the filtering efficiency.

[0069] To further optimize the solution, the auger components include:

[0070] The liquid inlet pipe 11 is coaxially rotatably connected in the upper tank body 1, the top end of the liquid inlet pipe 11 passes through the upper tank body 1 and is coaxially fixed to the output shaft of the motor 2, and a plurality of first liquid outlet holes are opened on the outer wall of the liquid inlet pipe 11, and the plurality of first liquid outlet holes are arranged at equal intervals along the length direction of the liquid inlet pipe 11;

[0071] The auger blade 12 is spirally wound on the outer wall of the liquid inlet pipe 11, and the auger blade 12 and the first liquid outlet do not interfere with each other.

[0072] To further optimize the scheme, the first water delivery structure includes:

[0073] A fixing ring 20 is fixedly connected to the top of the upper tank body 1. The fixing ring 20 is sleeved on the outside of the liquid inlet pipe 11 and is in sliding connection with the liquid inlet pipe 11.

[0074] A first annular groove is circumferentially provided at the inner edge of the fixing ring 20;

[0075] A water inlet hole 21 is provided on the liquid inlet pipe 11, and the water inlet hole 21 is located in the first annular groove;

[0076] One end of the first liquid inlet pipe 3 is connected to the first annular groove, and the other end is connected to the external liquid medicine supply device.

[0077] To further optimize the solution, the components are broken down into:

[0078] A plurality of connecting rods 7 are arranged at equal intervals in the circumferential direction, the connecting rods 7 are arranged horizontally, and one end of the connecting rod 7 is fixedly connected to the transmission assembly;

[0079] The scattering pipe 10 is vertically arranged, the top end of the scattering pipe 10 is fixedly connected to the connecting rod 7 at the middle of the bottom surface of the connecting rod 7, and a plurality of second liquid outlet holes are opened on the outer wall of the scattering pipe 10, and the plurality of second liquid outlet holes are evenly spaced along the length direction of the scattering pipe 10;

[0080] The scraper 9 is fixedly connected to the bottom surface of the connecting rod 7 , and the scraper 9 is in sliding contact with the inner wall of the upper tank body 1 .

[0081] To further optimize the solution, the second water delivery structure includes:

[0082] The water distribution ring 8 is fixedly connected to the inner wall of the upper tank body 1 in the circumferential direction, and a first water distribution groove is circumferentially provided at the inner edge of the water distribution ring 8;

[0083] The slip ring 19 is circumferentially arranged in the first water distribution groove and is slidably connected with the first water distribution groove. A second water distribution groove is circumferentially opened at the outer edge of the slip ring 19. One end of the connecting rod 7 away from the transmission assembly is fixedly connected to the slip ring 19. A water delivery groove 6 is opened in the connecting rod 7. The water delivery groove 6 is connected with the second water distribution groove, and the water delivery groove 6 is connected with the dispersion pipe 10.

[0084] One end of the second liquid inlet pipe 5 is connected to the first water distribution tank, and the other end is connected to the external liquid medicine supply device.

[0085] To further optimize the solution, the transmission components include:

[0086] The transmission box 22 is fixedly connected to the inner top wall of the upper tank body 1. The transmission box 22 is coaxially sleeved on the outer side of the liquid inlet pipe 11 and is slidably connected to the liquid inlet pipe 11.

[0087] The sleeve 24 is sleeved on the outside of the liquid inlet pipe 11 and is slidably connected to the liquid inlet pipe 11. The sleeve 24 is rotatably connected to the transmission box 22 through the bearing 23. The bottom end of the sleeve 24 extends out of the transmission box 22 and is fixedly connected to the connecting rod 7.

[0088] The first bevel gear 25 is disposed in the transmission box 22 and is coaxially fixed to the liquid inlet pipe 11;

[0089] Two second bevel gears 26 are rotatably connected to two opposite inner side walls of the transmission box 22, and both of the second bevel gears 26 are meshed with the first bevel gear 25;

[0090] The third bevel gear 27 is coaxially fixed to the outer wall of the sleeve 24 , and the third bevel gear 27 is meshed with the two second bevel gears 26 .

[0091] To further optimize the scheme, the collection department includes:

[0092] The lower tank 14 is connected to the filter part;

[0093] The negative pressure machine 13 is fixedly connected to the side wall of the lower tank body 14. The negative pressure machine 13 is located at the upper part of the lower tank body 14 and is communicated with the lower tank body 14.

[0094] A plurality of legs 15 are respectively fixed to the four corners of the bottom surface of the lower tank body 14;

[0095] The water outlet pipe 17 is fixedly connected to the side wall of the lower tank body 14. The water outlet pipe 17 is located at the lower part of the lower tank body 14 and is connected to the lower tank body 14. The water outlet pipe 17 is provided with a valve 18;

[0096] The inclined plate 16 is fixedly connected to the inner bottom wall of the lower tank body 14 , and the lower end of the inclined plate 16 faces the water outlet pipe 17 .

[0097] To further optimize the solution, the filtration unit includes:

[0098] Filter barrel 30;

[0099] The upper connecting pipe 28 is connected to the top end of the filter barrel 30. The upper connecting pipe 28 is fixed to the bottom end of the upper tank body 1 and communicates with the upper tank body 1.

[0100] The lower connecting pipe 31 is connected to the bottom end of the filter barrel 30. The lower connecting pipe 31 is fixed to the top of the lower tank body 14 and communicates with the lower tank body 14.

[0101] The filter screen 38 is fixedly connected to the inner wall of the filter barrel 30 in the circumferential direction, and the filter screen 38 is located at the lower part of the filter barrel 30;

[0102] A connection structure is provided between the filter barrel 30 and the upper connecting pipe 28 and the lower connecting pipe 31 .

[0103] Further optimization scheme, the connection structure includes:

[0104] Two connecting sleeves 29 are both sleeved on the outer wall of the filter barrel 30. The two connecting sleeves 29 are respectively located at the upper and lower ends of the filter barrel 30. The two connecting sleeves 29 are both slidably connected to the filter barrel 30.

[0105] Two sealing rubber sleeves 32 are fixedly connected to the inner wall of the connecting sleeve 29 in the circumferential direction, and a distance is left between the two sealing rubber sleeves 32;

[0106] The gear 35 is rotatably connected to the outer wall of the filter barrel 30, and a handle 36 is coaxially fixedly connected to the side of the gear 35 away from the filter barrel 30;

[0107] The two racks 34 are both vertically arranged. The two racks 34 are respectively arranged on both sides of the gear 35 and mesh with the gear 35. The two racks 34 are respectively fixed to the two connecting sleeves 29.

[0108] As a further optimization scheme, a vertically arranged limit groove 37 is opened on the outer wall of the filter barrel 30 , and a limit pin 33 is fixedly connected to the connecting sleeve 29 , and both limit pins 33 are slidably connected in the limit groove 37 .

[0109] Specific working process:

[0110] The contaminated soil is fed into the upper tank body 1 through the feed hopper 4, and then the motor 2 is started, the motor 2 drives the liquid inlet pipe 11 to rotate, and the auger blade 12 rotates accordingly, and the contaminated soil is continuously lifted up, the liquid inlet pipe 11 rotates to drive the first bevel gear 25 to rotate, the first bevel gear 25 drives the third bevel gear 27 to rotate through the second bevel gear 26, and the third bevel gear 27 drives the sleeve 24 to rotate, and then drives the connecting rod 7 to make a circular motion, and the connecting rod 7 drives the scattering pipe 10 to make a circular motion, and the raised contaminated soil is continuously scattered; at the same time, the external liquid medicine supply device feeds the liquid medicine into the first The liquid inlet pipe 3 and the second liquid inlet pipe 5, the liquid medicine enters between the first water distribution trough and the second water distribution trough through the second liquid inlet pipe 5, then enters the water delivery trough 6 on the connecting rod 7, and finally enters the scattering pipe 10, and flows out through the multiple second liquid outlet holes on the scattering pipe 10 to mix with the contaminated soil; the liquid medicine enters the first annular groove in the fixing ring 20 through the first liquid inlet pipe 3, and then enters the liquid inlet pipe 11 through the water inlet hole 21 on the liquid inlet pipe 11, and finally flows out through the first liquid outlet hole on the liquid inlet pipe 11 to mix with the contaminated soil, thereby improving the mixing rate and uniformity of the contaminated soil and the liquid medicine;

[0111] After the mixing setting time, the motor 2 rotates in the reverse direction to drive the liquid inlet pipe 11 to reverse, and the contaminated soil is sent into the filter barrel 30. At this time, the negative pressure machine 13 works to accelerate the speed of the liquid flowing into the lower tank 14. After the filtration is completed, the gear 35 is rotated by the handle 36, and the gear 35 drives the two racks 34 to move, thereby driving the two connecting sleeves 29 to move closer to each other. At this time, the filter barrel 30 can be removed and replaced with a new filter barrel 30. Repeat the above steps, and the soil in the filter barrel 30 is taken out and dried.

[0112] The ends of the two connecting sleeves 29 that are away from each other are both provided with chamfers, and the chamfers are located on the inner side walls of the connecting sleeves 29;

[0113] When the filter barrel 30 filters water and soil, the two sealing rubber sleeves 32 on the same connecting sleeve 29 are in sealing contact with the filter barrel 30 and the upper connecting pipe 28 / lower connecting pipe 31 respectively.

[0114] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0115] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A soil purification device for ecological restoration, characterized in that: include: Mixing section; A filtering part, disposed below the mixing part and communicated with the mixing part; A collecting part, disposed below the filtering part and communicated with the filtering part; The mixing section comprises an upper tank body (1), a motor (2) is fixedly connected to the top end of the upper tank body (1), an output shaft of the motor (2) is drivingly connected to an auger assembly, the auger assembly is coaxially rotatably connected in the upper tank body (1), the auger assembly is drivingly connected to a transmission assembly, the transmission assembly is fixedly connected to the inner top wall of the upper tank body (1), the transmission assembly is drivingly connected to a breaking up assembly, a first water supply structure is arranged on the auger assembly, and a second water supply structure is arranged in the breaking up assembly.

2. A soil purification device for ecological restoration according to claim 1, characterized in that: The auger assembly comprises: A liquid inlet pipe (11) is coaxially rotatably connected to the upper tank body (1), the top end of the liquid inlet pipe (11) passes through the upper tank body (1) and is coaxially fixedly connected to the output shaft of the motor (2), and a plurality of first liquid outlet holes are provided on the outer wall of the liquid inlet pipe (11), and the plurality of first liquid outlet holes are arranged at equal intervals along the length direction of the liquid inlet pipe (11); The auger blade (12) is spirally wound on the outer wall of the liquid inlet pipe (11), and the auger blade (12) and the first liquid outlet hole do not interfere with each other.

3. A soil purification device for ecological restoration according to claim 2, characterized in that: The first water delivery structure comprises: A fixing ring (20) is fixedly connected to the top end of the upper tank body (1), and the fixing ring (20) is sleeved on the outside of the liquid inlet pipe (11) and is in sliding contact with the liquid inlet pipe (11); A first annular groove is circumferentially arranged at the inner edge of the fixing ring (20); A water inlet hole (21) is provided on the liquid inlet pipe (11), and the water inlet hole (21) is located in the first annular groove; A first liquid inlet pipe (3) has one end connected to the first annular groove and the other end connected to an external liquid medicine supply device.

4. A soil purification device for ecological restoration according to claim 3, characterized in that: The breaking up component comprises: A plurality of connecting rods (7) are arranged at equal intervals in the circumferential direction, the connecting rods (7) are arranged horizontally, and one end of the connecting rod (7) is fixedly connected to the transmission assembly; A scattering pipe (10) is vertically arranged, the top end of the scattering pipe (10) is fixedly connected to the connecting rod (7) at the middle of the bottom surface of the connecting rod (7), and a plurality of second liquid outlet holes are opened on the outer wall of the scattering pipe (10), and the plurality of second liquid outlet holes are evenly spaced along the length direction of the scattering pipe (10); A scraper (9) is fixedly connected to the bottom surface of the connecting rod (7), and the scraper (9) is in sliding contact with the inner wall of the upper tank body (1).

5. A soil purification device for ecological restoration according to claim 4, characterized in that: The second water delivery structure comprises: A water distribution ring (8) is fixedly connected to the inner wall of the upper tank body (1) in the circumferential direction, and a first water distribution groove is circumferentially formed at the inner edge of the water distribution ring (8); A slip ring (19) is circumferentially arranged in the first water distribution groove and is slidably connected to the first water distribution groove. A second water distribution groove is circumferentially opened at the outer edge of the slip ring (19). One end of the connecting rod (7) away from the transmission component is fixedly connected to the slip ring (19). A water delivery groove (6) is opened in the connecting rod (7). The water delivery groove (6) is connected to the second water distribution groove. The water delivery groove (6) is connected to the dispersion pipe (10); A second liquid inlet pipe (5) has one end connected to the first water distribution tank and the other end connected to the external liquid medicine supply device.

6. The soil purification device for ecological restoration according to claim 4, characterized in that: The transmission assembly comprises: A transmission box (22) is fixedly connected to the inner top wall of the upper tank body (1), and the transmission box (22) is coaxially sleeved on the outer side of the liquid inlet pipe (11) and is slidably connected to the liquid inlet pipe (11); a sleeve (24) sleeved on the outside of the liquid inlet pipe (11) and slidably connected to the liquid inlet pipe (11); the sleeve (24) is rotatably connected to the transmission box (22) via a bearing (23); the bottom end of the sleeve (24) extends out of the transmission box (22) and is fixedly connected to the connecting rod (7); A first bevel gear (25) is disposed in the transmission box (22) and is coaxially fixedly connected to the liquid inlet pipe (11); Two second bevel gears (26) are rotatably connected to two opposite inner side walls of the transmission box (22), and both of the second bevel gears (26) are meshed with the first bevel gear (25); The third bevel gear (27) is coaxially fixed to the outer wall of the sleeve (24), and the third bevel gear (27) is meshed with the two second bevel gears (26).

7. The soil purification device for ecological restoration according to claim 2 is characterized in that: The collection unit comprises: A lower tank body (14) is communicated with the filtering part; A negative pressure machine (13) is fixedly connected to the side wall of the lower tank body (14); the negative pressure machine (13) is located at the upper part of the lower tank body (14) and is in communication with the lower tank body (14); A plurality of supporting legs (15) are respectively fixedly connected to the four corners of the bottom surface of the lower tank body (14); a water outlet pipe (17) fixedly connected to the side wall of the lower tank body (14); the water outlet pipe (17) is located at the lower part of the lower tank body (14) and is in communication with the lower tank body (14); a valve (18) is provided on the water outlet pipe (17); The inclined plate (16) is fixedly connected to the inner bottom wall of the lower tank body (14), and the lower end of the inclined plate (16) faces the water outlet pipe (17).

8. The soil purification device for ecological restoration according to claim 7, characterized in that: The filter unit comprises: Filter barrel (30); An upper connecting pipe (28) connected to the top end of the filter barrel (30), the upper connecting pipe (28) being fixedly connected to the bottom end of the upper tank body (1) and communicating with the upper tank body (1); A lower connecting pipe (31) connected to the bottom end of the filter barrel (30), the lower connecting pipe (31) being fixedly connected to the top end of the lower tank body (14) and communicating with the lower tank body (14); A filter screen (38) is circumferentially fixed to the inner wall of the filter barrel (30), and the filter screen (38) is located at the lower part of the filter barrel (30); A connection structure is provided between the filter barrel (30), the upper connecting pipe (28) and the lower connecting pipe (31).

9. The soil purification device for ecological restoration according to claim 8, characterized in that: The connection structure comprises: Two connecting sleeves (29) are both sleeved on the outer wall of the filter barrel (30), the two connecting sleeves (29) are respectively located at the upper and lower ends of the filter barrel (30), and the two connecting sleeves (29) are both slidably connected to the filter barrel (30); Two sealing rubber sleeves (32) are fixedly connected to the inner wall of the connecting sleeve (29) in the circumferential direction, and a distance is left between the two sealing rubber sleeves (32); A gear (35) is rotatably connected to the outer wall of the filter barrel (30), and a handle (36) is coaxially fixedly connected to the side of the gear (35) away from the filter barrel (30); The two racks (34) are both vertically arranged. The two racks (34) are respectively arranged on both sides of the gear (35) and mesh with the gear (35). The two racks (34) are respectively fixedly connected to the two connecting sleeves (29).

10. A soil purification device for ecological restoration according to claim 9, characterized in that: A vertically arranged limiting groove (37) is provided on the outer side wall of the filter barrel (30), and a limiting pin (33) is fixedly connected to the connecting sleeve (29), and both limiting pins (33) are slidably connected in the limiting groove (37).

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