CN109500073B

CN109500073B - Efficient soil remediation method

Info

Publication number: CN109500073B
Application number: CN201910030012.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Sichuan Ruicheng Hongfeng Agricultural Technology Co ltd
Current assignee: Dongying Yaocheng Hongfeng Agricultural Technology Co ltd
Priority date: 2019-01-14
Filing date: 2019-01-14
Publication date: 2021-07-06
Anticipated expiration: 2039-01-14
Also published as: CN109500073A

Abstract

The invention belongs to the technical field of soil remediation, and particularly relates to a high-efficiency soil remediation method, wherein a soil remediation device used in the method comprises a box body, a motor and a controller; the inside of the box body is sequentially provided with a crushing cavity, a grinding cavity and a collecting cavity from top to bottom, the middle part of the top wall of the box body is vertically provided with a rotating rod, the bottom of the box body is horizontally and rotatably provided with a rotating shaft, one side of the top of the box body is provided with a soil inlet, and the other side of the top of the box body is provided with a transmission shaft; the bottom end of the rotating rod is symmetrically provided with crushing plates, and the top end of the rotating rod extends out of the top wall of the box body and is fixedly connected with a first bevel gear; the rotating shaft and the transmission shaft are in transmission through a belt; the other end of the transmission shaft is fixedly connected with a second bevel gear which is in meshed transmission with the first bevel gear; an elastic partition plate is arranged below the crushing plate; a baffle plate is arranged below the elastic partition plate; the invention reduces the heavy metal content in the soil and improves the soil quality by carrying out plant planting and repairing on the soil.

Description

Efficient soil remediation method

Technical Field

The invention belongs to the technical field of soil remediation, and particularly relates to an efficient soil remediation method.

Background

Soil aggregates refer to structural units of <10mm diameter formed by the action of soil particles through various natural processes; soil agglomerates require sufficient fine soil particles-fine soil particles including micro-agglomerates and single particles. The finer the soil particles, the greater the binding power, and the more favorable the formation of the compound particles. The soil of the soil aggregate is loose, easy to cultivate, suitable for cultivating for a long time, the cultivation quality is good, the seeds are easy to germinate and come out of the soil, the root system is easy to extend, and the seedlings are neat. The soil of farmland in certain mountainous areas contains more impurities and clods, the survival rate of crops can be influenced if the impurities are not removed and the clods are not crushed, and meanwhile, the nutrient acquisition in the growth process of the crops is hindered, so that the growth speed of the crops is slow; meanwhile, soil in some areas is polluted by heavy metal, so that crops cannot be planted.

According to the method, the soil remediation device used in the method impacts soil through the crushing plate in the crushing cavity, so that large soil blocks and stones wrapped in the soil blocks are crushed, and meanwhile, the soil is lifted to be crushed again by matching with the elastic partition plate through pulling and loosening of the elastic rope; then, the elastic rope and the elastic belt are matched to drive the elastic belt to move, the protrusions on the elastic belt are meshed with the gears to drive the rollers to grind again, and ground fine soil falls into the collection cavity from the second through hole, so that the soil is refined and screened, and the soil quality is improved; and the heavy metal content in the soil is reduced and the soil quality is improved by carrying out plant planting and repairing on the soil.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides an efficient soil remediation method, which aims to improve the soil quality and the survival rate of crops.

The technical scheme adopted by the invention for solving the technical problems is as follows: a high-efficiency soil remediation method comprises the following steps:

s1: using excavating equipment to put the soil of the farmland into a soil remediation device for soil refinement and impurity screening;

s2: adding a soil disinfectant into the refined soil in the step S1, stirring the soil and the soil disinfectant by using excavating equipment, and standing for reacting for 24-72 hours after stirring;

s3: adding a soil remediation agent into the soil disinfected in the step S2, stirring the soil and the soil remediation agent by using excavating equipment, and standing for reacting for 24-72 hours after stirring;

s4: planting one of shepherd' S purse, shortleaf kyllinga herb and ciliate desert-grass on the soil treated in the S3, and performing phytoremediation on the soil; the survival rate of the Indian shepherd's purse, the shortleaf kyllinga herb and the ciliate desert-grass is high, and the ciliate desert-grass can greatly enrich heavy metals such as arsenic, lead and the like in soil, so that the heavy metal content in the soil is reduced, the soil quality is improved, and the high-efficiency soil remediation is realized;

the soil remediation device of S1 comprises a box body, a motor and a controller, wherein the controller is fixedly arranged on the side wall of the box body, and the controller is used for controlling the device to operate automatically; the inside of the box body is sequentially provided with a crushing cavity, a grinding cavity and a collecting cavity from top to bottom, the middle part of the top wall of the box body is vertically provided with a rotating rod, the bottom of the box body is horizontally and rotatably provided with a rotating shaft, one side of the top of the box body is provided with a soil inlet, and the other side of the top of the box body is provided with a transmission shaft; the bottom end of the rotating rod is symmetrically provided with crushing plates, and the top end of the rotating rod extends out of the top wall of the box body and is fixedly connected with a first bevel gear; one end of the rotating shaft is connected with the motor on the side wall of the box body, the other end of the rotating shaft extends out of the other side wall of the box body, which is opposite to the motor, and the rotating shaft and the transmission shaft are in transmission through a belt; the other end of the transmission shaft is fixedly connected with a second bevel gear which is in meshed transmission with the first bevel gear; an elastic partition plate is arranged below the crushing plate; the elastic partition plate is connected to the side wall of the box body in a sliding mode, a group of first through holes are formed in the elastic partition plate, a baffle plate fixedly connected to the side wall of the box body is arranged below the elastic partition plate, a crushing cavity is arranged in a space above the elastic partition plate, a grinding cavity is arranged in a space between the elastic partition plate and the baffle plate, and a collecting cavity is arranged in a space below the baffle plate; a group of second through holes are uniformly distributed on the baffle, and the aperture of each second through hole is smaller than that of each first through hole; the middle part of the bottom end of the elastic partition plate is connected with an elastic rope, and two sides of the bottom end of the elastic partition plate are fixedly connected with an elastic belt respectively; the other end of the elastic rope penetrates through the baffle and is fixedly connected to the rotating shaft, and a guide rod is fixedly connected to the elastic rope; the bottom end of the elastic belt is connected to the elastic rope, one side of the elastic belt, which is far away from the elastic rope, is provided with a group of bulges, the positions, which are close to the bottom end of the elastic belt, are provided with gears which are meshed with the bulges, and one side of the elastic belt, which is close to the elastic rope, is provided with a groove; the gears are rotatably arranged in the box body through sliding shafts, and the gears are fixedly connected with swing rods; and the other end of the oscillating bar is rotatably connected with a roller. When the soil crusher is used, soil is guided into a box body from a soil inlet, firstly, the controller controls the motor to rotate, the motor drives the rotating shaft to rotate, the rotating shaft drives the transmission shaft to rotate through belt transmission, the transmission shaft rotates to drive the second bevel gear which is fixedly connected to rotate, the second bevel gear is meshed with the first bevel gear so as to drive the first bevel gear to rotate, the first bevel gear drives the rotating rod to rotate, the rotating rod drives the crushing plate to rotate, the falling soil can be crushed while the crushing plate rotates, so that the soil is preliminarily crushed, and the preliminarily crushed soil falls into the grinding cavity from the first through hole on the elastic partition plate; the elastic rope is wound when the rotating shaft rotates, the elastic rope is wound and moves downwards, the elastic partition plate is pulled, the joint of the elastic partition plate and the elastic rope is locally deformed and protrudes downwards, guide rods on the elastic rope rub the elastic belt immediately until the guide rods slide into grooves on the elastic belt, so that the elastic belt is driven to move downwards, the protrusions are meshed with gears when the elastic belt moves downwards, so that the two gears are driven to rotate, the two gears drive the two swing rods to swing oppositely while rotating, the swing rods drive the connected rollers to swing, the rollers meet soil on the baffle when swinging, so that the rollers grind the roller, when the roller swings to a certain position, the controller controls the motor to rotate reversely to loosen the elastic rope, the elastic rope rebounds under the action of self elasticity, the elastic rope drives the connected guide rods to be separated from the elastic belt, and the elastic belt suddenly returns under the action of self elasticity after losing downward tension, thereby driving the gear to rotate reversely, and the gear drives the two swing rods to swing oppositely, and further driving the roller to return rapidly; when the elastic rope is loosened to pull and hold the elastic partition plate, the elastic partition plate can rebound instantly under the action of the elastic force of the elastic partition plate, so that the soil on the elastic partition plate is lifted, and the rotating crushing plate can impact the lifted soil to realize secondary crushing; the farmland soil often contains stones, large soil blocks and the like, which are not beneficial to the growth of crops; according to the invention, the soil is impacted through the crushing plate in the crushing cavity, so that larger soil blocks and stones wrapped in the soil blocks are crushed, and meanwhile, the soil is lifted to be crushed again by matching with the elastic partition plate through the pulling and loosening of the elastic rope; utilize elastic cord and elastic webbing cooperation area afterwards to drive the elastic webbing and remove, the arch on the elastic webbing and gear engagement and drive running roller grind once more, make the thin soil after grinding fall into from No. two through-holes and collect the intracavity, realize the refinement and the screening of soil, improve soil quality.

Preferably, the side walls of the box body at two sides of the grinding cavity are provided with rectangular grooves; a group of guide wheels are arranged on the side wall of the box body; a sliding plate is connected in the rectangular groove in a sliding manner; the sliding plate is connected to the side wall of the rectangular groove through two telescopic springs, and one end of the sliding plate is fixedly connected with a steel wire rope; the other end of the steel wire rope sequentially bypasses the guide wheel and is connected to the elastic rope; the bottom surface of the rectangular groove and the upper plane of the baffle are positioned on the same horizontal line; when the elastic rope moves downwards, the steel wire rope can be pulled, so that the steel wire rope pulls the sliding plate to slide along the rectangular groove. During the use, can drive wire rope downstream when the elastic cord downstream, two wire rope can draw and draw continuous slide and slide toward the box outside along the rectangular channel, compression expanding spring when the slide slides, when the elastic cord breaks away from the pivot winding, the elastic cord returns under self elasticity effect in the twinkling of an eye, thereby drive two continuous wire rope returns, wire rope relaxs the power of holding to the slide, make expanding spring launch the slide away in the twinkling of an eye under self elasticity effect, because the bottom surface of rectangular channel is located same water flat line with the last plane of baffle, make the slide can slide along the baffle upper surface, thereby promote the soil of baffle upper surface and gather to the centre, prevent on the one hand that the soil of baffle both sides blind spot position can not arrive, on the other hand turns over the layer to soil, avoid the soil grinding of bottom not enough, and then improved the degree of refining of soil.

Preferably, the side walls of the two sides of the box body are symmetrically provided with a sliding chute; a cleaning plate is arranged below the baffle; two ends of the cleaning plate are connected in corresponding sliding grooves in a sliding mode, a group of dredging columns are fixedly connected to the upper surface of the cleaning plate, two cylinders are symmetrically arranged on the lower surface of the cleaning plate, and a group of third through holes are formed in the cleaning plate in a staggered mode relative to the second through holes; the dredging columns correspond to the second through holes in the baffle plate one by one; the air cylinder is fixedly connected to the corresponding side wall of the box body, and an air cavity of the air cylinder is communicated with the rectangular groove through a pipeline. When the device is used, when the two sliding plates respectively slide to the outer side of the box body along the rectangular groove under the pulling and holding of the steel wire rope, gas in the rectangular groove is compressed and then is guided into the air cavity of the air cylinder through the pipeline, negative pressure is formed in the rectangular groove at the moment, the gas in the air cylinder is increased to push the connected cleaning plate to move upwards until the cleaning columns on the cleaning plate are inserted into the corresponding second through holes, when the sliding plates are pulled and held away from the steel wire rope, the sliding plates return under the elastic force of the expansion springs to extract the gas in the air cavity of the air cylinder, the gas reduction in the air cavity of the air cylinder can pull the cleaning plate to return, on one hand, the second through holes on the baffle can be dredged, and the second through holes; on the other hand, the cleaning plate can further extrude the falling soil when being overlapped with the baffle plate, so that the soil is more refined.

Preferably, the outer rings of the dredging columns are in threaded connection with sleeves; bristles are arranged on the outer surface of the sleeve, and the top of the sleeve is rotationally connected with an elliptical air bag; a group of air holes are uniformly distributed on the outer ring of the elliptical air bag, and the length of the long axis of the elliptical air bag is larger than the diameter of the second through hole. During the use, when the cleaning plate during rebound under the promotion of cylinder, because the major axis length of the oval gasbag at sleeve top is greater than the diameter of No. two through-holes, No. two through-holes prevent the oval gasbag to get into, along with the thrust grow of cylinder, make the oval gasbag extrude into in No. two through-holes after being compressed firmly, gas from the gas pocket blowout after the extrusion in-process oval gasbag is inside, thereby clear up No. two through-holes, the sleeve of oval gasbag below rotation connection receives the resistance and removes and rotate along the mediation post simultaneously, the sleeve rotates and drives the brush hair and clear up the inner wall of No. two through-holes, thereby dredge No. two through-holes on the baffle, prevent No. two through-hole blockages.

Preferably, the side walls of the box body at two sides of the crushing cavity are provided with elastic lugs; a right-angle groove is formed in the edge of the crushing plate; a support rod is rotatably arranged in the right-angle groove; a lantern ring is sleeved on the supporting rod; four brackets are circumferentially arranged on the lantern ring, and the four brackets form a cross shape; and blades are arranged on two sides of the bracket. During the use, can drive support circumferential direction when the breaker rotates, the outer end of support can touch elastic convex block, and under elastic convex block's stirring, the support atress rotates on branch through the lantern ring to the blade that drives the support both sides carries out the breakage to the clod, and then improves the crushing efficiency of soil.

Preferably, the blade is slidably connected to the bracket through a spring, and the thickness of the blade decreases from the center of the bracket to the outer side. During the use, the blade can lead to the blade impaired with clod direct contact at the in-process of rotating broken clod, along with the extension of time, through passing through spring sliding connection with the blade on the support for the blade at first can cushion under the effect of spring when contacting the clod, thereby has prolonged the life of blade.

The invention has the following beneficial effects:

1. according to the efficient soil remediation method, the soil remediation device used in the method impacts soil through the crushing plate in the crushing cavity, so that larger soil blocks and stones wrapped in the soil blocks are crushed, and meanwhile, the soil is lifted to be crushed again by matching with the elastic partition plate through pulling and loosening of the elastic rope; then, the elastic rope and the elastic belt are matched to drive the elastic belt to move, the protrusions on the elastic belt are meshed with the gears to drive the rollers to grind again, and ground fine soil falls into the collection cavity from the second through hole, so that the soil is refined and screened, and the soil quality is improved; and the heavy metal content in the soil is reduced and the soil quality is improved by carrying out plant planting and repairing on the soil.

2. According to the efficient soil remediation method, the soil remediation device used in the method pulls or releases the steel wire rope through the elastic rope, so that the sliding plate is controlled to slide to push the soil on the upper surface of the baffle plate to gather towards the middle, and on one hand, the soil at blind spot positions on two sides of the baffle plate is prevented from being not ground; and on the other hand, the soil is turned to avoid insufficient grinding of the soil at the bottom, so that the thinning degree of the soil is improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a flow chart of a method of the present invention;

FIG. 2 is a schematic diagram of the construction of a soil remediation device for use with the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

in the figure: the crushing device comprises a box body 1, a crushing cavity 2, a rotating rod 21, a crushing plate 211, a grinding cavity 3, a collecting cavity 4, a rotating shaft 41, a transmission shaft 5, an elastic partition plate 6, a baffle plate 7, an elastic rope 8, an elastic belt 9, a guide rod 10, a gear 11, a roller 12, a rectangular groove 13, a sliding plate 131, a steel wire rope 14, a cleaning plate 15, a dredging column 16, a sleeve 161, an oval air bag 162, an air cylinder 17, a support 18 and a blade 19.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the method for high efficiency soil remediation according to the present invention comprises the following steps:

the soil remediation device of S1 comprises a box body 1, a motor and a controller, wherein the controller is fixedly arranged on the side wall of the box body 1, and the controller is used for controlling the device to operate automatically; the inside of the box body 1 is sequentially provided with a crushing cavity 2, a grinding cavity 3 and a collecting cavity 4 from top to bottom, the middle part of the top wall of the box body 1 is vertically provided with a rotating rod 21, the bottom of the box body 1 is horizontally and rotatably provided with a rotating shaft 41, one side of the top of the box body 1 is provided with a soil inlet, and the other side of the top of the box body 1 is provided with a transmission shaft 5; the bottom end of the rotating rod 21 is symmetrically provided with crushing plates 211, and the top end of the rotating rod 21 extends out of the top wall of the box body 1 and is fixedly connected with a first bevel gear; one end of the rotating shaft 41 is connected with the motor on the side wall of the box body 1, the other end of the rotating shaft 41 extends out of the other side wall of the box body 1 opposite to the motor, and the rotating shaft 41 and the transmission shaft 5 are in transmission through a belt; the other end of the transmission shaft 5 is fixedly connected with a second bevel gear which is in meshed transmission with the first bevel gear; an elastic partition plate 6 is arranged below the crushing plate 211; the elastic partition plate 6 is connected to the side wall of the box body 1 in a sliding mode, a group of first through holes are formed in the elastic partition plate 6, a baffle plate 7 fixedly connected to the side wall of the box body 1 is arranged below the elastic partition plate 6, a space above the elastic partition plate 6 is a crushing cavity 2, a space between the elastic partition plate 6 and the baffle plate 7 is a grinding cavity 3, and a space below the baffle plate 7 is a collecting cavity 4; a group of second through holes are uniformly distributed on the baffle 7, and the aperture of each second through hole is smaller than that of each first through hole; the middle part of the bottom end of the elastic partition plate 6 is connected with an elastic rope 8, and two sides of the bottom end of the elastic partition plate 6 are fixedly connected with an elastic belt 9 respectively; the other end of the elastic rope 8 penetrates through the baffle 7 and is fixedly connected to the rotating shaft 41, and a guide rod 10 is fixedly connected to the elastic rope 8; the bottom ends of the elastic belts 9 are connected to the elastic rope 8, one sides of the elastic belts 9 far away from the elastic rope 8 are provided with a group of bulges, the positions close to the bottom ends of the elastic belts 9 are provided with gears 11 meshed with the bulges, and one sides of the elastic belts 9 close to the elastic rope 8 are provided with grooves; the gears 11 are rotatably arranged in the box body 1 through sliding shafts, and the gears 11 are fixedly connected with swing rods; the other end of the swing rod is rotatably connected with a roller 12. When the soil crushing device is used, soil is guided into the box body 1 from a soil inlet, firstly, the controller controls the motor to rotate, the motor drives the rotating shaft 41 to rotate, the rotating shaft 41 drives the transmission shaft 5 to rotate through belt transmission, the transmission shaft 5 rotates to drive the fixedly connected second bevel gear to rotate, the second bevel gear is meshed with the first bevel gear so as to drive the first bevel gear to rotate, the first bevel gear drives the rotating rod 21 to rotate, the rotating rod 21 drives the crushing plate 211 to rotate, the falling soil can be crushed while the crushing plate 211 rotates, so that the soil is crushed preliminarily, and the preliminarily crushed soil falls into the grinding cavity 3 from the first through hole on the elastic partition plate 6; the rotating shaft 41 can wind the elastic rope 8 while rotating, the elastic rope 8 is wound and moves downwards to pull the elastic partition plate 6, so that the part of the joint of the elastic partition plate 6 and the elastic rope 8 is locally deformed and protrudes downwards, the guide rod 10 on the elastic rope 8 is just started to rub the elastic belt 9 until the guide rod 10 slides into the groove on the elastic belt 9, the elastic belt 9 is driven to move downwards, the protrusion is meshed with the gear 11 while the elastic belt 9 moves downwards, the two gears 11 are driven to rotate, the two gears 11 drive the two swing rods to swing relatively while rotating, the swing rods drive the connected roller 12 to swing, the roller 12 swings while encountering soil on the baffle 7 to grind the roller, when swinging to a certain position, the controller controls the motor to rotate reversely to loosen the elastic rope 8, at the moment, the elastic rope 8 rebounds under the action of the own elasticity, and the elastic rope 8 drives the connected guide rod 10 to separate from the elastic belt 9, the elastic belt 9 suddenly returns under the action of self elasticity after losing downward tension, so that the gear 11 is driven to rotate reversely, the gear 11 drives the two swing rods to swing oppositely, and the roller 12 is driven to return rapidly; when the elastic rope 8 is loosened to pull and hold the elastic partition plate 6, the elastic partition plate 6 can rebound instantly under the action of the elastic force of the elastic partition plate 6, so that the soil on the elastic partition plate 6 is lifted, and the lifted soil can be impacted by the rotating crushing plate 211 to be crushed again; the farmland soil often contains stones, large soil blocks and the like, which are not beneficial to the growth of crops; according to the invention, soil is impacted through the crushing plate 211 in the crushing cavity 2, so that larger soil blocks and stones wrapped in the soil blocks are crushed, and meanwhile, the soil is lifted to be crushed again by matching with the elastic partition plate 6 through the pulling and releasing of the elastic rope 8; utilize elastic cord 8 and elastic webbing 9 cooperation area afterwards to drive elastic webbing 9 and remove, protruding and gear 11 meshing on the elastic webbing 9 and drive running roller 12 grind once more, make the thin soil after grinding fall into collection chamber 4 in No. two through-holes, realize the refinement and the screening of soil, improve soil quality.

As one embodiment, the side walls of the box body 1 at two sides of the grinding chamber 3 are provided with rectangular grooves 13; a group of guide wheels are arranged on the side wall of the box body 1; a sliding plate 131 is connected in the rectangular groove 13 in a sliding manner; the sliding plate 131 is connected to the side wall of the rectangular groove 13 through two telescopic springs, and one end of the sliding plate 131 is fixedly connected with the steel wire rope 14; the other end of the steel wire rope 14 is sequentially wound around the guide wheel to be connected to the elastic rope 8; the bottom surface of the rectangular groove 13 and the upper plane of the baffle 7 are positioned on the same horizontal line; when the elastic rope 8 moves downwards, the wire rope 14 is pulled, so that the wire rope 14 pulls the sliding plate 131 to slide along the rectangular groove 13. When the device is used, when the elastic rope 8 moves downwards, the steel wire ropes 14 are driven to move downwards, the two steel wire ropes 14 can drag the connected sliding plates 131 to slide towards the outer side of the box body 1 along the rectangular grooves 13, the telescopic springs are compressed when the sliding plates 131 slide, when the elastic rope 8 is separated from the rotating shaft 41 to be wound, the elastic rope 8 instantly returns under the action of self elasticity, so that the two connected steel wire ropes 14 are driven to return, the steel wire ropes 14 relax the pulling force on the sliding plates 131, the telescopic springs instantly eject the sliding plates 131 out under the action of self elasticity, because the bottom surfaces of the rectangular grooves 13 and the upper plane of the baffle 7 are positioned on the same horizontal line, the sliding plates 131 can slide along the upper surface of the baffle 7, so that the soil on the upper surface of the baffle 7 is pushed to gather towards the middle, on one hand, the soil at blind spot positions on two sides of the baffle cannot be ground, on the, thereby improving the thinning degree of the soil.

As one embodiment, the side walls of the two sides of the box body 1 are symmetrically provided with a sliding chute; a cleaning plate 15 is arranged below the baffle 7; two ends of the cleaning plate 15 are connected in corresponding sliding grooves in a sliding mode, a group of dredging columns 16 are fixedly connected to the upper surface of the cleaning plate 15, two air cylinders 17 are symmetrically arranged on the lower surface of the cleaning plate 15, and a group of third through holes are formed in the cleaning plate 15 in a staggered mode relative to the second through holes; the dredging columns 16 correspond to the second through holes in the baffle 7 one by one; the air cylinder 17 is fixedly connected to the corresponding side wall of the box body 1, and an air cavity of the air cylinder 17 is communicated with the rectangular groove 13 through a pipeline. When the cleaning device is used, when the two sliding plates 131 respectively slide to the outer side of the box body 1 along the rectangular groove 13 under the pulling and holding of the steel wire rope 14, the gas in the rectangular groove 13 is compressed and then is guided into the air cavity of the air cylinder 17 through a pipeline, negative pressure is formed in the rectangular groove 13 at the moment, the gas in the air cylinder 17 is increased so as to push the connected cleaning plate 15 to move upwards until a cleaning column on the cleaning plate 15 is inserted into the corresponding second through hole, when the sliding plates 131 are separated from the pulling and holding of the steel wire rope 14, the sliding plates 131 return under the elastic force of the expansion springs so as to extract the gas in the air cavity of the air cylinder 17, the gas in the air cavity of the air cylinder 17 is reduced and can pull the cleaning plate 15 to return, on the one hand, the second through hole on the baffle 7 can; on the other hand, when the cleaning plate 15 is coincided with the baffle 7, the fallen soil is further extruded, so that the soil is more refined.

In one embodiment, the outer rings of the dredging columns 16 are both connected with sleeves 161 in a threaded manner; bristles are arranged on the outer surface of the sleeve 161, and the top of the sleeve 161 is rotatably connected with an elliptical air bag 162; a group of air holes are uniformly distributed on the outer ring of the elliptical air bag 162, and the length of the long axis of the elliptical air bag 162 is larger than the diameter of the second through hole. During the use, when cleaning plate 15 upwards removes under the promotion of cylinder 17, because the major axis length of the oval gasbag 162 at sleeve 161 top is greater than the diameter of No. two through-holes, No. two through-holes prevent oval gasbag 162 to get into, along with the thrust grow of cylinder 17, make oval gasbag 162 extrude into in No. two through-holes after being compressed firmly, gas is spout from the gas pocket after the extrusion in-process oval gasbag 162 is inside, thereby clear up No. two through-holes, sleeve 161 that oval gasbag 162 below rotated the connection receives the resistance to remove and rotate along dredging post 16, sleeve 161 rotates and drives the brush hair and clear up the inner wall of No. two through-holes, thereby dredge No. two through-holes on the baffle 7, prevent that No. two through-holes from blockking up.

As one embodiment, the side walls of the box body 1 at two sides of the crushing cavity 2 are provided with elastic lugs; the edge of the crushing plate 211 is provided with a right-angle groove; a support rod is rotatably arranged in the right-angle groove; a lantern ring is sleeved on the supporting rod; four brackets 18 are circumferentially arranged on the lantern ring, and the four brackets 18 form a cross shape; the blade 19 is arranged on both sides of the bracket 18. During the use, can drive support 18 circumferential direction when crushing plate 211 rotates, the outer end of support 18 can touch elastic convex block, and under elastic convex block's stirring, support 18 atress rotates on branch through the lantern ring to the blade 19 that drives support 18 both sides carries out the breakage to the clod, and then improves the crushing efficiency of soil.

In one embodiment, the blade 19 is slidably connected to the bracket 18 by a spring, and the thickness of the blade 19 decreases from the center of the bracket 18 to the outer side. When the blade 19 is used, the blade 19 is in direct contact with soil blocks in the process of rotating and crushing the soil blocks, the blade 19 can be damaged along with the prolonging of time, and the blade 19 is connected to the support 18 in a sliding mode through the spring, so that the blade 19 can firstly buffer under the action of the spring when contacting the soil blocks, and the service life of the blade 19 is prolonged.

When the soil crushing device is used, soil is guided into the box body 1 from a soil inlet, firstly, the controller controls the motor to rotate, the motor drives the rotating shaft 41 to rotate, the rotating shaft 41 drives the transmission shaft 5 to rotate through belt transmission, the transmission shaft 5 rotates to drive the fixedly connected second bevel gear to rotate, the second bevel gear is meshed with the first bevel gear so as to drive the first bevel gear to rotate, the first bevel gear drives the rotating rod 21 to rotate, the rotating rod 21 drives the crushing plate 211 to rotate, the falling soil can be crushed while the crushing plate 211 rotates, so that the soil is crushed preliminarily, and the preliminarily crushed soil falls into the grinding cavity 3 from the first through hole on the elastic partition plate 6; the rotating shaft 41 can wind the elastic rope 8 while rotating, the elastic rope 8 is wound and moves downwards to pull the elastic partition plate 6, so that the part of the joint of the elastic partition plate 6 and the elastic rope 8 is locally deformed and protrudes downwards, the guide rod 10 on the elastic rope 8 is just started to rub the elastic belt 9 until the guide rod 10 slides into the groove on the elastic belt 9, the elastic belt 9 is driven to move downwards, the protrusion is meshed with the gear 11 while the elastic belt 9 moves downwards, the two gears 11 are driven to rotate, the two gears 11 drive the two swing rods to swing relatively while rotating, the swing rods drive the connected roller 12 to swing, the roller 12 swings while encountering soil on the baffle 7 to grind the roller, when swinging to a certain position, the controller controls the motor to rotate reversely to loosen the elastic rope 8, at the moment, the elastic rope 8 rebounds under the action of the own elasticity, and the elastic rope 8 drives the connected guide rod 10 to separate from the elastic belt 9, the elastic belt 9 suddenly returns under the action of self elasticity after losing downward tension, so that the gear 11 is driven to rotate reversely, the gear 11 drives the two swing rods to swing oppositely, and the roller 12 is driven to return rapidly; when the elastic rope 8 is loosened to pull and hold the elastic partition plate 6, the elastic partition plate 6 can rebound instantly under the action of the elastic force of the elastic partition plate 6, so that the soil on the elastic partition plate 6 is lifted, and the lifted soil can be impacted by the rotating crushing plate 211 to be crushed again; the farmland soil often contains stones, large soil blocks and the like, which are not beneficial to the growth of crops; according to the invention, soil is impacted through the crushing plate 211 in the crushing cavity 2, so that larger soil blocks and stones wrapped in the soil blocks are crushed, and meanwhile, the soil is lifted to be crushed again by matching with the elastic partition plate 6 through the pulling and releasing of the elastic rope 8; utilize elastic cord 8 and elastic webbing 9 cooperation area afterwards to drive elastic webbing 9 and remove, protruding and gear 11 meshing on the elastic webbing 9 and drive running roller 12 grind once more, make the thin soil after grinding fall into collection chamber 4 in No. two through-holes, realize the refinement and the screening of soil, improve soil quality.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in fig. 2, which is based on the orientation or positional relationship shown in fig. 2, and is used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the scope of the present invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The efficient soil remediation method is characterized by comprising the following steps:

s4: planting one of shepherd' S purse, shortleaf kyllinga herb and ciliate desert-grass on the soil treated in the S3, and performing phytoremediation on the soil;

the soil remediation device of S1 comprises a box body (1), a motor and a controller, wherein the controller is fixedly arranged on the side wall of the box body (1), and is used for controlling the device to operate automatically; the crushing cavity (2), the grinding cavity (3) and the collecting cavity (4) are sequentially arranged in the box body (1) from top to bottom, a rotating rod (21) is vertically arranged in the middle of the top wall of the box body (1), a rotating shaft (41) is horizontally and rotatably arranged at the bottom of the box body (1), a soil inlet is formed in one side of the top of the box body (1), and a transmission shaft (5) is arranged on the other side of the top of the box body (1); the bottom end of the rotating rod (21) is symmetrically provided with crushing plates (211), and the top end of the rotating rod (21) extends out of the top wall of the box body (1) and is fixedly connected with a first bevel gear; one end of the rotating shaft (41) is connected with a motor on the side wall of the box body (1), the other end of the rotating shaft (41) extends out of the other side wall of the box body (1) opposite to the motor, and the rotating shaft (41) and the transmission shaft (5) are in transmission through a belt; the other end of the transmission shaft (5) is fixedly connected with a second bevel gear, and the second bevel gear is in meshing transmission with the first bevel gear; an elastic partition plate (6) is arranged below the crushing plate (211); the grinding device is characterized in that the elastic partition plate (6) is connected to the side wall of the box body (1) in a sliding mode, a group of one-number through holes are formed in the elastic partition plate (6), a baffle plate (7) fixedly connected to the side wall of the box body (1) is arranged below the elastic partition plate (6), a space above the elastic partition plate (6) is a crushing cavity (2), a space between the elastic partition plate (6) and the baffle plate (7) is a grinding cavity (3), and a space below the baffle plate (7) is a collecting cavity (4); a group of second through holes are uniformly distributed on the baffle (7), and the aperture of each second through hole is smaller than that of each first through hole; the middle part of the bottom end of the elastic partition plate (6) is connected with an elastic rope (8), and two sides of the bottom end of the elastic partition plate (6) are fixedly connected with an elastic belt (9) respectively; the other end of the elastic rope (8) penetrates through the baffle (7) and is fixedly connected to the rotating shaft (41), and a guide rod (10) is fixedly connected to the elastic rope (8); the bottom ends of the elastic belts (9) are connected to the elastic rope (8), one sides of the elastic belts (9) far away from the elastic rope (8) are provided with a group of bulges, the positions of the elastic belts (9) close to the bottom ends are provided with gears (11) meshed with the bulges, and one sides of the elastic belts (9) close to the elastic rope (8) are provided with grooves; the gear (11) is rotatably installed inside the box body (1) through a sliding shaft, and the gears (11) are fixedly connected with a swing rod; the other end of each swing rod is rotatably connected with a roller (12).

2. The method for high efficiency soil remediation of claim 1, wherein: rectangular grooves (13) are formed in the side walls of the box body (1) on the two sides of the grinding cavity (3); a group of guide wheels are arranged on the side wall of the box body (1); a sliding plate (131) is connected in the rectangular groove (13) in a sliding manner; the sliding plate (131) is connected to the side wall of the rectangular groove (13) through two telescopic springs, and one end of each sliding plate (131) is fixedly connected with a steel wire rope (14); the other end of the steel wire rope (14) sequentially rounds the guide wheel and is connected to the elastic rope (8); the bottom surface of the rectangular groove (13) and the upper plane of the baffle (7) are positioned on the same horizontal line; when the elastic rope (8) moves downwards, the steel wire rope (14) is pulled, so that the steel wire rope (14) pulls the sliding plate (131) to slide along the rectangular groove (13).

3. The method for high efficiency soil remediation of claim 2, wherein: the side walls of the two sides of the box body (1) are symmetrically provided with a sliding chute; a cleaning plate (15) is arranged below the baffle (7); both ends of the cleaning plate (15) are connected in corresponding sliding grooves in a sliding mode, a group of dredging columns (16) is fixedly connected to the upper surface of the cleaning plate (15), two air cylinders (17) are symmetrically arranged on the lower surface of the cleaning plate (15), and a group of third through holes are formed in the cleaning plate (15) in a staggered mode relative to the second through holes; the dredging columns (16) correspond to the second through holes in the baffle (7) one by one; the air cylinder (17) is fixedly connected to the corresponding side wall of the box body (1), and an air cavity of the air cylinder (17) is communicated with the rectangular groove (13) through a pipeline.

4. The method for high efficiency soil remediation of claim 3, wherein: the outer rings of the dredging columns (16) are all in threaded connection with sleeves (161); bristles are arranged on the outer surface of the sleeve (161), and the top of the sleeve (161) is rotatably connected with an elliptical air bag (162); a group of air holes are uniformly distributed in the outer ring of the elliptical air bag (162), and the length of the long axis of the elliptical air bag (162) is larger than the diameter of the second through hole.

5. The method for high efficiency soil remediation of claim 1, wherein: elastic lugs are arranged on the side walls of the box body (1) at the two sides of the crushing cavity (2); the edge of the crushing plate (211) is provided with a right-angle groove; a support rod is rotatably arranged in the right-angle groove; a lantern ring is sleeved on the supporting rod; four brackets (18) are circumferentially arranged on the lantern ring, and the four brackets (18) form a cross shape; and blades (19) are arranged on both sides of the bracket (18).

6. The method for high efficiency soil remediation of claim 5, wherein: the blade (19) is connected to the support (18) in a sliding mode through a spring, and the thickness of the blade (19) decreases from the center of the support (18) to the outer side in a decreasing mode.