A mine heavy metal contaminated acid soil remediation device and method

Abstract

The application discloses a kind of mine heavy metal pollution acid soil remediation equipment and method, belong to soil remediation technical field.The supporting frame of bottom being provided with track wheel, biological inoculant tank, spray material pipe further include: fixedly connected on the surface of biological inoculant tank motor, the output end of motor is fixedly connected with stirring rod by shaft, second link is drivingly connected between second rotating rod and shaft, and the outer wall of second rotating rod is fixedly connected with auxiliary disc, and the surface of auxiliary disc is opened with clamping groove;Rotatingly connected on the surface of supporting frame first rotating rod, the outer wall of first rotating rod is fixedly connected with plough wheel, and first link is drivingly connected between first rotating rod and second rotating rod;Fixedly connected on the surface of supporting frame seed collecting shell, the soil of the present application is repaired by the mode of first ploughing soil, then seed is buried in soil, finally biological inoculant is sprayed into soil, and the repair efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of soil remediation, and particularly relates to a remediation device and method for mine heavy metal pollution acidic soil. BACKGROUND

[0002] With the rapid development of mining industry in China, mine development brings great economic benefits, but also causes serious damage to the ecological environment. Mine development first has a significant impact on the local ecological balance. Due to the removal of the surface soil, a large area of the mine is suddenly exposed to the outside, and the soil nutrients, moisture and organic matter are seriously lost. Since most of the tailings in China are polymetallic sulfide minerals, containing pyrite, sphalerite, galena and the like. The sulfides in the sulfide tailings are oxidized and acidified under the action of air, water and microorganisms to form acid wastewater, which causes serious pollution of heavy metals, phosphorus, fluorine, persistent organic pollutants and the like through rainfall runoff. The generated acid mine wastewater not only causes serious pollution to the receiving water body, but also may seep into the groundwater environment, and through the food chain enrichment, poses a threat to human health.

[0003] The remediation device for mine heavy metal pollution acidic soil in the prior art often uses the method of spraying biological agents into the soil to repair the soil. Since the soil is only repaired by relying on biological agents, the repair efficiency is low, and therefore, it needs to be improved. SUMMARY

[0004] The present application aims at solving the problem of the remediation device for mine heavy metal pollution acidic soil in the prior art, which often uses the method of spraying biological agents into the soil to repair the soil, and the repair efficiency is low since the soil is only repaired by relying on biological agents, and provides a remediation device and method for mine heavy metal pollution acidic soil.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] The application discloses a mine heavy metal contaminated acid soil remediation equipment, which comprises a support frame provided with track wheels at the bottom, and further comprises a biological agent box fixedly connected to the surface of the support frame, a motor fixedly connected to the surface of the biological agent box, a stirring rod fixedly connected to the output end of the motor through a rotating shaft, a material spraying pipe fixedly connected to the bottom of the biological agent box, a second rotating shaft rotatably connected to the surface of the support frame, a second chain transmissionally connected between the second rotating shaft and the rotating shaft, an auxiliary disc fixedly connected to the outer wall of the second rotating shaft, a clamping groove and a partition plate fixedly connected to the surface of the auxiliary disc, a first rotating shaft rotatably connected to the surface of the support frame, a ploughing wheel fixedly connected to the outer wall of the first rotating shaft, a first chain transmissionally connected between the first rotating shaft and the second rotating shaft, a seed collecting shell fixedly connected to the surface of the support frame, and a discharge pipe fixedly connected to the bottom of the seed collecting shell.

[0007] In order to facilitate the seed falling into the discharge pipe from the clamping groove, preferably, a third rotating shaft is rotatably connected to the inner wall of the seed collecting shell, a first eccentric wheel and a second gear are fixedly connected to the outer wall of the third rotating shaft, a seed pushing plate is fixedly connected to the surface of the first eccentric wheel, a first gear is fixedly connected to the outer wall of the second rotating shaft, and the first gear and the second gear are mutually engaged.

[0008] In order to facilitate the seed transmission, further, a second eccentric wheel is fixedly connected to the outer wall of the third rotating shaft, a compressed air bag is fixedly connected to the side wall of the support frame, an air inlet pipe and a first air blowing pipe are fixedly connected to the compressed air bag, a first one-way valve is fixedly connected to the air inlet pipe and the first air blowing pipe, the first air blowing pipe is aligned with the clamping groove, a second air blowing pipe is fixedly connected to the first air blowing pipe, the second air blowing pipe is aligned with the discharge pipe, a moving plate is fixedly connected to the free end of the compressed air bag, and the moving plate is in abutment with the second eccentric wheel.

[0009] In order to improve the stability of the moving plate, further, a first sliding groove is formed in the surface of the support frame, a first sliding block is fixedly connected to the bottom of the moving plate, the first sliding block is slidingly connected in the first sliding groove, and the first sliding block is T-shaped.

[0010] In order to facilitate the seed discharging, further, a limiting plate is fixedly connected to the inner wall of the seed collecting shell, the limiting plate and the first air blowing pipe are mutually corresponding, a third air blowing pipe is fixedly connected to the first air blowing pipe, and the outlet end of the third air blowing pipe is aligned with the ploughing wheel.

[0011] In order to facilitate the seed into the soil, further, the surface of the support frame is rotatably connected with a fourth rotating rod, the outer wall of the fourth rotating rod is fixedly connected with a fourth rotating rod, the surface of the fourth rotating rod is fixedly connected with a lower hopper, the bottom of the lower hopper is fixedly connected with a lower pipe, the fourth rotating rod and the support frame are fixedly connected with a torsion spring, wherein the surface of the support frame is rotatably connected with a fifth rotating rod, the third chain is transmissionally connected between the fifth rotating rod and the first rotating rod, the outer wall of the fifth rotating rod is fixedly connected with a sector gear, the outer wall of the fourth rotating rod is fixedly connected with a third gear, and the third gear and the third gear are meshed with each other.

[0012] In order to facilitate the discharge of the biological agent, further, the slide plate is slidably connected in the spray pipe, the surface of the slide plate is provided with a discharge groove, the bottom of the slide plate is fixedly connected with a support rod, and the support rod and the lower hopper are hingedly connected with a connecting rod.

[0013] In order to facilitate the reduction of the soil adhesion on the ploughing wheel, further, the surface of the support frame is slidably connected with a driven plate and a knocking rod, the first spring is fixedly connected between the driven plate and the knocking rod and the support frame, the driven plate and the knocking rod are abutted, and the knocking rod and the ploughing wheel can be abutted and separated.

[0014] In order to facilitate the improvement of the discharge speed of the biological agent, further, the surface of the support frame is fixedly connected with a support cylinder, the outer wall of the knocking rod is fixedly connected with a piston disc, the piston disc is slidably connected in the support cylinder, the air inlet pipe and the fourth air blowing pipe are fixedly connected on the support cylinder, the second one-way valve is fixedly connected on the air inlet pipe and the fourth air blowing pipe, and the fourth air blowing pipe and the discharge pipe are in communication.

[0015] A mine heavy metal pollution acid soil remediation method, the operation steps are as follows:

[0016] Step one: ploughing the mine heavy metal pollution acid soil;

[0017] Step two: spraying biological agent into the mine heavy metal pollution acid soil;

[0018] Step three: seeding in the mine heavy metal pollution acid soil.

[0019] Compared with the prior art, the present application provides a mine heavy metal pollution acid soil remediation device, which has the following beneficial effects:

[0020] 1. The mine heavy metal contaminated acid soil remediation equipment, through the starting motor drives the rotating shaft to rotate, on the one hand, under the transmission of the first chain, the first rotating rod rotates, the first rotating rod drives the plough wheel to rotate, so as to facilitate the soil ploughing into a loose state, on the other hand, under the transmission of the second chain, the second rotating rod rotates, the second rotating rod drives the auxiliary disc to rotate, so as to make the seeds in the seed shell in the corresponding clamping groove in turn, at the same time, the second rotating rod drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the third rotating rod to rotate, the third rotating rod drives the first eccentric wheel to rotate, so as to facilitate the seed in the clamping groove to be pushed into the discharge pipe, at the same time, the third rotating rod drives the second eccentric wheel to rotate, the second eccentric wheel drives the moving plate to move back and forth, so as to facilitate the external airflow to aim at the clamping groove blowing, under the action of the airflow, the seed is clamped in the clamping groove, and under the action of the second blowing pipe, the seed falls into the discharge pipe, the present application repairs the mine heavy metal contaminated acid soil by the way of ploughing the soil first, then burying the seed in the soil, and finally spraying the biological agent into the soil, which improves the repair efficiency.

[0021] 2. The mine heavy metal contaminated acid soil remediation equipment, under the action of the third chain, the fifth rotating rod rotates, the fifth rotating rod drives the fan gear to rotate, the fan gear drives the third gear to rotate, under the action of the torsion spring, the discharge hopper is continuously deflected and reset, so as to facilitate the seed to be buried in the soil, at the same time, under the action of the connecting rod, the sliding disc moves back and forth in the spraying pipe, so as to improve the discharging speed of the biological agent, facilitate the biological agent to contact with the inner layer of the soil, and prevent the biological agent from evaporating under the action of wind and sunlight.

[0022] 3. The mine heavy metal contaminated acid soil remediation equipment, during the ploughing process, when the driven plate contacts the relatively large block of soil, on the one hand, the driven plate moves, the driven plate drives the knocking rod to move, under the action of the first spring, the knocking rod continuously knocks the plough wheel, reduces the soil adhesion on the plough wheel, reduces the corrosion of the acid soil to the plough wheel, and improves the service life of the plough wheel, on the other hand, during the movement of the knocking rod, the piston disc moves back and forth in the supporting cylinder, so that the external airflow blows in the spraying pipe, further improves the discharging speed of the biological agent, makes the biological agent enter the inner layer of the soil, and improves the repair effect. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structure diagram of the mine heavy metal contaminated acid soil remediation equipment is provided for the present application;

[0024] Figure 2 The structure diagram of the mine heavy metal contaminated acid soil remediation equipment is provided for the present applicationFigure 1 An enlarged schematic view of the structure at A in the device for repairing acid soil polluted by heavy metals in mines according to the present application;

[0025] Figure 3 An enlarged schematic view of the structure at A in the device for repairing acid soil polluted by heavy metals in mines according to the present application; Figure 1 ;

[0026] Figure 4 An enlarged schematic view of the structure at A in the device for repairing acid soil polluted by heavy metals in mines according to the present application; Figure 2 ;

[0027] Figure 5 An enlarged schematic view of the structure at A in the device for repairing acid soil polluted by heavy metals in mines according to the present application; Figure 4 ;

[0028] Figure 6 An enlarged schematic view of the structure at A in the device for repairing acid soil polluted by heavy metals in mines according to the present application; Figure 3 .

[0029] In the figure: 1, support frame; 101, biological agent box; 102, motor; 103, rotating shaft; 104, stirring rod; 105, material spraying pipe; 106, first chain; 107, plowing wheel; 108, caterpillar wheel; 109, first rotating rod; 2, second chain; 201, second rotating rod; 202, seed collecting shell; 203, auxiliary disc; 204, partition plate; 205, clamping groove; 206, limiting plate; 207, discharge pipe; 3, third rotating rod; 301, first gear; 302, second gear; 303, first eccentric wheel; 304, seed pushing plate; 305, compression air bag; 306, air inlet pipe; 307, first air blowing pipe; 308, first one-way valve; 309, moving plate; 4, second eccentric wheel; 401, second air blowing pipe; 402, first sliding groove; 403, first sliding block; 404, third air blowing pipe; 405, fourth rotating rod; 406, lower hopper; 407, lower discharge pipe; 408, torsional spring; 5, fifth rotating rod; 501, third chain; 502, sector gear; 503, third gear; 504, driven plate; 505, first spring; 506, knocking rod; 6, support cylinder; 601, piston disc; 602, air inlet pipe; 603, fourth air blowing pipe; 604, sliding disc; 605, support rod; 606, connecting rod; 607, discharge chute; 608, second one-way valve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0031] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] Embodiment 1:

[0033] Referring to Figures 1-5 A kind of mine heavy metal pollution acidic soil remediation equipment, including the support frame 1 of bottom setting with track wheel 108, still include: fixedly connected on the surface of support frame 1 biological agent box 101, the surface of biological agent box 101 is fixedly connected with motor 102, the output end of motor 102 is fixedly connected with stirring rod 104 by rotating shaft 103;Fixedly connected in the bottom of biological agent box 101 spray material pipe 105;Second rotating rod 201 is rotatably connected on the surface of support frame 1, second rotating rod 201 and rotating shaft 103 are transmission connection with second chain 2, the outer wall of second rotating rod 201 is fixedly connected with auxiliary disc 203, the surface of auxiliary disc 203 is opened with clamping groove 205, the surface of auxiliary disc 203 is fixedly connected with partition plate 204;First rotating rod 109 is rotatably connected on the surface of support frame 1, the outer wall of first rotating rod 109 is fixedly connected with plough wheel 107, first rotating rod 109 and second rotating rod 201 are transmission connection with first chain 106;Seed collecting shell 202 is fixedly connected on the surface of support frame 1, auxiliary disc 203 is located in seed collecting shell 202, the bottom of seed collecting shell 202 is fixedly connected with discharge pipe 207.

[0034] To facilitate the seed from clamping groove 205 falls into discharge pipe 207, the inner wall of seed collecting shell 202 is rotatably connected with third rotating rod 3, the outer wall of third rotating rod 3 is fixedly connected with first eccentric wheel 303 and second gear 302, the surface of first eccentric wheel 303 is fixedly connected with seed pushing plate 304, the outer wall of second rotating rod 201 is fixedly connected with first gear 301, first gear 301 and second gear 302 are engaged with each other.

[0035] To facilitate the transmission of seed, the outer wall of third rotating rod 3 is fixedly connected with second eccentric wheel 4, the side wall of support frame 1 is fixedly connected with compressed air bag 305, compressed air bag 305 is fixedly connected with air inlet pipe 306 and first air blowing pipe 307, first air blowing pipe 307 is fixedly connected with first one-way valve 308 on air inlet pipe 306 and first air blowing pipe 307, first air blowing pipe 307 is aligned with clamping groove 205, wherein, first air blowing pipe 307 is fixedly connected with second air blowing pipe 401, second air blowing pipe 401 is aligned with discharge pipe 207, the free end of compressed air bag 305 is fixedly connected with moving plate 309, moving plate 309 is in abutment with second eccentric wheel 4.

[0036] In order to facilitate the stability of the moving plate 309, the surface of the support frame 1 is provided with a first sliding groove 402, and the bottom of the moving plate 309 is fixedly connected with a first sliding block 403 which is slidingly connected in the first sliding groove 402, and the first sliding block 403 is T-shaped.

[0037] In order to facilitate the discharge of the seeds, the inner wall of the seed collecting shell 202 is fixedly connected with a limiting plate 206 which corresponds to the first air blowing pipe 307, and the first air blowing pipe 307 is fixedly connected with a third air blowing pipe 404, and the outlet end of the third air blowing pipe 404 is aligned with the ploughing wheel 107, so as to reduce the moisture on the outer surface of the ploughing wheel 107 and reduce the corrosion of the ploughing wheel 107.

[0038] The starting motor 102 drives the rotating shaft 103 to rotate, on the one hand, under the transmission of the first chain 106, the first rotating rod 109 rotates, and the first rotating rod 109 drives the ploughing wheel 107 to rotate, so as to facilitate the ploughing of the soil into a loose state, on the other hand, under the transmission of the second chain 2, the second rotating rod 201 rotates, and the second rotating rod 201 drives the auxiliary disc 203 to rotate, so as to sequentially make the seeds in the seed collecting shell 202 clamped in the corresponding clamping grooves 205, at the same time, the second rotating rod 201 drives the first gear 301 to rotate, the first gear 301 drives the second gear 302 to rotate, the second gear 302 drives the third rotating rod 3 to rotate, and the third rotating rod 3 drives the first eccentric wheel 303 to rotate, so as to facilitate the seed in the clamping groove 205 to be pushed into the discharge pipe 207, at the same time, the third rotating rod 3 drives the second eccentric wheel 4 to rotate, and the second eccentric wheel 4 drives the moving plate 309 to reciprocate, so as to facilitate the external airflow to align with the clamping groove 205 and blow, under the action of the airflow, the seeds are clamped in the clamping groove 205, and under the action of the second air blowing pipe 401, the seeds fall into the discharge pipe 207, the present application repairs the mine heavy metal pollution acid soil by the way of first ploughing the soil, then burying the seeds in the soil, and finally spraying the biological fungicide into the soil, and the repair efficiency is improved.

[0039] Example 2:

[0040] Reference Figures 3-5 The same as example 1, and further, a specific embodiment for facilitating the insertion of the seeds into the soil is added.

[0041] Reference Figures 3-5The surface of the support frame 1 is rotationally connected with a fourth rotating rod 405, the outer wall of the fourth rotating rod 405 is fixedly connected with a fourth rotating rod 405, the surface of the fourth rotating rod 405 is fixedly connected with a lower hopper 406, the bottom of the lower hopper 406 is fixedly connected with a lower discharge pipe 407, and the fourth rotating rod 405 is fixedly connected with a torsional spring 408 between the support frame 1, wherein the surface of the support frame 1 is rotationally connected with a fifth rotating rod 5, the third chain 501 is transmissionally connected between the fifth rotating rod 5 and the first rotating rod 109, the outer wall of the fifth rotating rod 5 is fixedly connected with a sector gear 502, the outer wall of the fourth rotating rod 405 is fixedly connected with a third gear 503, and the third gear 503 is meshed with the third gear 503.

[0042] In order to facilitate the discharge of the biological agent, a sliding disc 604 is slidingly connected in the spraying pipe 105, the surface of the sliding disc 604 is provided with a discharge groove 607, the bottom of the sliding disc 604 is fixedly connected with a supporting rod 605, and the supporting rod 605 is hingedly connected with a connecting rod 606 between the lower hopper 406.

[0043] Under the action of the third chain 501, the fifth rotating rod 5 rotates, the fifth rotating rod 5 drives the sector gear 502 to rotate, the sector gear 502 drives the third gear 503 to rotate, under the action of the torsional spring 408, the lower hopper 406 is constantly deflected and reset, so that the seeds are buried in the soil, and under the action of the connecting rod 606, the sliding disc 604 reciprocatingly moves in the spraying pipe 105, so that the discharge speed of the biological agent is improved, the biological agent is facilitated to contact the inner layer of the soil, and the biological agent is prevented from being sprayed on the surface of the soil and evaporated under the action of wind and sunlight.

[0044] Embodiment 3:

[0045] Referring to Figures 1-6 The embodiment is basically the same as embodiment 2, and further, a specific implementation scheme for reducing the adhesion of soil on the plowing wheel 107 is added.

[0046] Referring to Figures 1-6 The surface of the support frame 1 is slidingly connected with a driven plate 504 and a knocking rod 506, the driven plate 504 and the knocking rod 506 are fixedly connected with the first spring 505 between the support frame 1, the driven plate 504 and the knocking rod 506 abut each other, and the knocking rod 506 can abut and separate from the plowing wheel 107.

[0047] In the process of plowing, when the driven plate 504 abuts against relatively large soil, the driven plate 504 moves, the driven plate 504 drives the knocking rod 506 to move, under the action of the first spring 505, the knocking rod 506 constantly knocks the plowing wheel 107, the adhesion of soil on the plowing wheel 107 is reduced, the corrosion of the plowing wheel 107 by acidic soil is reduced, and the service life of the plowing wheel 107 is improved.

[0048] In order to facilitate the discharge speed of the biological agent, the surface of the support frame 1 is fixedly connected with a support cylinder 6, the outer wall of the knocking rod 506 is fixedly connected with a piston disc 601, the piston disc 601 is slidingly connected in the support cylinder 6, the support cylinder 6 is fixedly connected with an air inlet pipe 602 and a fourth air blowing pipe 603, the air inlet pipe 602 and the fourth air blowing pipe 603 are both fixedly connected with a second one-way valve 608, and the fourth air blowing pipe 603 is in communication with the discharge pipe 207.

[0049] During the movement of the knocking rod 506, the piston disc 601 reciprocates in the support cylinder 6, so that the external airflow blows in the material spraying pipe 105, the discharging speed of the biological agent is further improved, the biological agent enters the inner layer of the soil, and the repair effect is improved.

[0050] A mine heavy metal pollution acid soil repair method has the following operation steps:

[0051] Step one: the motor 102 is started to drive the rotating shaft 103 to rotate, under the transmission of the first chain 106, the first rotating rod 109 rotates, the first rotating rod 109 drives the plough wheel 107 to rotate, so that the soil is ploughed into a loose state;

[0052] Step two: biological agent is sprayed into the mine heavy metal pollution acid soil through the biological agent box 101 and the material spraying pipe 105;

[0053] Step three: the second rotating rod 201 drives the auxiliary disc 203 to rotate, so that the seeds in the seed collecting shell 202 are clamped in the corresponding clamping grooves 205 in sequence, and the first eccentric wheel 303 is rotated, so that the seeds in the clamping grooves 205 are pushed into the discharge pipe 207, and then the seeds are sowed in the mine heavy metal pollution acid soil.

[0054] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for remediation of mine heavy metal contaminated acidic soil comprising a support frame (1) provided with caterpillar wheels (108) at the bottom, characterized in that, Also include: The surface of the support frame (1) is fixedly connected with the biological agent box (101), the surface of the biological agent box (101) is fixedly connected with the motor (102), the output end of the motor (102) is fixedly connected with the stirring rod (104) through the rotating shaft (103); The material spraying pipe (105) is fixedly connected at the bottom of the biological agent box (101); The second rotating rod (201) is rotatably connected to the surface of the support frame (1), the second rotating rod (201) and the rotating shaft (103) are transmissionally connected with the second chain (2), the outer wall of the second rotating rod (201) is fixedly connected with the auxiliary disc (203), the surface of the auxiliary disc (203) is provided with a clamping groove (205), and the surface of the auxiliary disc (203) is fixedly connected with the partition plate (204); The first rotating rod (109) is rotatably connected to the surface of the support frame (1), the outer wall of the first rotating rod (109) is fixedly connected with the plowing wheel (107), and the first rotating rod (109) and the second rotating rod (201) are transmissionally connected with the first chain (106); The seed collecting shell (202) is fixedly connected to the surface of the support frame (1), the auxiliary disc (203) is located in the seed collecting shell (202), and the bottom of the seed collecting shell (202) is fixedly connected with the discharge pipe (207); The inner wall of the seed collecting shell (202) is rotatably connected with the third rotating rod (3), the outer wall of the third rotating rod (3) is fixedly connected with the first eccentric wheel (303) and the second gear (302), the surface of the first eccentric wheel (303) is fixedly connected with the seed pushing plate (304), the outer wall of the second rotating rod (201) is fixedly connected with the first gear (301), and the first gear (301) and the second gear (302) are in meshing relationship; The outer wall of the third rotating rod (3) is fixedly connected with the second eccentric wheel (4), the side wall of the support frame (1) is fixedly connected with the compressed air bag (305), the compressed air bag (305) is fixedly connected with the air inlet pipe (306) and the first air blowing pipe (307), the first air blowing pipe (307) is aligned with the clamping groove (205), Wherein, the first air blowing pipe (307) is fixedly connected with the second air blowing pipe (401), the second air blowing pipe (401) is aligned with the discharge pipe (207), the free end of the compressed air bag (305) is fixedly connected with the moving plate (309), and the moving plate (309) is in abutment with the second eccentric wheel (4); The surface of the support frame (1) is rotatably connected with the fourth rotating rod (405), the surface of the fourth rotating rod (405) is fixedly connected with the lower hopper (406), the bottom of the lower hopper (406) is fixedly connected with the lower discharge pipe (407), and the fourth rotating rod (405) and the support frame (1) are fixedly connected with the torsional spring (408), The surface of the support frame (1) is rotationally connected with a fifth rotating rod (5), the fifth rotating rod (5) and the first rotating rod (109) are transmissionally connected with a third chain (501), the outer wall of the fifth rotating rod (5) is fixedly connected with a sector gear (502), the outer wall of the fourth rotating rod (405) is fixedly connected with a third gear (503), and the third gear (503) and the sector gear (502) are mutually engaged. The sliding disc (604) is slidably connected in the material spraying pipe (105), the surface of the sliding disc (604) is provided with a discharging groove (607), the bottom of the sliding disc (604) is fixedly connected with a supporting rod (605), and the supporting rod (605) and the lower hopper (406) are hingedly connected with a connecting rod (606).

2. The mine heavy metal contaminated acid soil remediation equipment according to claim 1, characterized in that, The surface of the support frame (1) is provided with a first sliding groove (402), the bottom of the moving plate (309) is fixedly connected with a first sliding block (403), the first sliding block (403) is slidably connected in the first sliding groove (402), and the first sliding block (403) is T-shaped.

3. The mine heavy metal contaminated acid soil remediation equipment according to claim 1, characterized in that, The inner wall of the seed collecting shell (202) is fixedly connected with a limiting plate (206), the limiting plate (206) and the first blowing pipe (307) correspond to each other, the first blowing pipe (307) is fixedly connected with a third blowing pipe (404), and the outlet end of the third blowing pipe (404) is aligned with the ploughing wheel (107).

4. The mine heavy metal contaminated acid soil remediation equipment according to claim 1, characterized in that, The surface of the support frame (1) is slidably connected with a driven plate (504) and a knocking rod (506), the driven plate (504) and the knocking rod (506) are fixedly connected with a first spring (505) between the support frame (1), the driven plate (504) and the knocking rod (506) abut each other, the knocking rod (506) and the ploughing wheel (107) can abut and can be separated.

5. The device for remediation of heavy metal contaminated acid soil in mines according to claim 4, characterized in that, The surface of the support frame (1) is fixedly connected with a supporting cylinder (6), the outer wall of the knocking rod (506) is fixedly connected with a piston disc (601), the piston disc (601) is slidably connected in the supporting cylinder (6), the supporting cylinder (6) is fixedly connected with an air inlet pipe (602) and a fourth blowing pipe (603), the air inlet pipe (602) and the fourth blowing pipe (603) are fixedly connected with a second one-way valve (608), and the fourth blowing pipe (603) and the discharging pipe (207) are in communication.

6. A method for remediation of mine heavy metal contaminated acid soil using the remediation device for mine heavy metal contaminated acid soil according to any one of claims 1 to 5, characterized in that, The operation steps are as follows: Step one: ploughing the mine heavy metal pollution acid soil; Step two: spraying biological agent into the mine heavy metal pollution acid soil; Step three: seeding in the mine heavy metal pollution acid soil.

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