Heavy metal contaminated soil integrated remediation equipment

Abstract

The invention discloses integrated remediation equipment for heavy metal contaminated soil. The integrated remediation equipment comprises a box body, a discharge port and a hydraulic station, the discharge port is fixed on the side wall, far away from the feeding mechanism, of the box body; a feeding port I is formed in the side wall of the box body, a crushing and screening mechanism and a mixing mechanism are arranged in the box body, and the crushing and screening mechanism is located above the mixing mechanism; the hydraulic station is located at the top of the box body and connected with an oil cylinder and a hydraulic motor in the equipment through oil pipes; the crushing and screening mechanism comprises a screen drum, an arc-shaped baffle, a rotating shaft, a rack, an oil cylinder III and a material collecting box; the screen drum is located in the box body, a feeding port II is formed in the side wall of the screen drum, the rotating shafts are symmetrically fixed to the two ends of the screen drum, and the ends, away from the screen drum, of the rotating shafts are connected to the side wall of the box body through bearings. The service life of the conveying belt can be prolonged; the soil is remedied in batches, the remediation rate of the soil is increased, and the remediation effect of the soil is guaranteed; and caked soil can be crushed, so that the soil and the remediation liquid are uniformly mixed.

Description

Technical Field

[0001] The invention belongs to the technical field of soil remediation, and in particular relates to an integrated remediation device for heavy metal polluted soil. Background Art

[0002] Heavy metal pollution in soil refers to the phenomenon that the content of heavy metal elements in the soil is significantly higher than its natural background value, causing ecological damage and deterioration of environmental quality; however, the existing heavy metal soil remediation technologies are all concentrated on treating large areas of soil, the remediation effect is not obvious enough, and the treatment time is long and cannot be well applied on a large scale.

[0003] After searching, a heavy metal contaminated soil remediation device with a prior art publication number of CN115582416A includes a bottom plate, a collecting bucket is fixedly arranged above the bottom plate, two soil feeding bins are fixedly arranged at one end of the collecting bucket away from the bottom plate, crushing rollers are rotatably arranged inside the two soil feeding bins, a screen is arranged on the side of each group of crushing rollers close to the bottom plate, a mixing disk is fixedly arranged below the screen, a plurality of soil leakage holes are opened on the surface of the mixing disk, a rotating rod is rotatably arranged at the inner center position of the collecting bucket, and a plurality of stirring rods are fixedly arranged at one end of the rotating rod that penetrates into the interior of the collecting bucket; the processing process has the following disadvantages: the repaired soil cannot be discharged in time; the conveyor belt transports all the soil to the soil feeding bin at the same time, and the soil is crushed by the crushing rollers, and the agglomerated soil cannot be fully crushed due to too much soil.

[0004] After searching, a soil heavy metal remediation device for environmental governance with a prior art publication number of CN114558884A comprises: a remediation device body, the remediation device body comprises a mobile box, a connecting frame is movably connected to the top surface of the mobile box, a guard plate is fixedly installed inside the mobile box, a pull plate is movably installed on the front of the mobile box, a roller is movably installed on one side of the pull plate, a first gear is fixedly connected to one side of the roller, a scraper is fixedly installed on the left wall of the mobile box, a fixed cylinder is installed inside the mobile box, a propeller is movably installed inside the fixed cylinder, a second hydraulic motor is fixedly connected to the top of the propeller, and a cylinder is fixedly installed on the top surface of the fixed cylinder; its processing process has the following disadvantages: the soil is transported to the filter belt through the soil taking structure, the filtered soil passes through the filter belt and the water distribution tray, and falls onto the transport belt; however, a large amount of soil lumps in the soil transported to the filter belt through the soil taking structure, which cannot pass through the filter belt, so only part of the soil falling under the filter belt can be repaired, thereby affecting the soil repair effect. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an integrated remediation device for heavy metal contaminated soil. The soil is preliminarily screened through a feeding mechanism, which can reduce the soil transportation on the conveyor belt, reduce the load of the conveyor belt, and extend the service life of the conveyor belt; the soil can be repaired in batches, the soil repair rate can be accelerated, and the soil repair effect can be guaranteed; the agglomerated soil is crushed by the operation of a crushing and screening mechanism and a mixing mechanism, which is convenient for screening by a sieve drum and can evenly mix the soil and the repair liquid.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is:

[0007] An integrated remediation device for heavy metal contaminated soil, the specific treatment method steps are: 1) Feeding: the soil is moved to the conveyor belt through the feed hopper, and is preliminarily screened through the filter holes on the conveyor belt. Fine soil falls through the filter holes onto the conveyor belt, and is transported to the mixing mechanism inside the box through the feed port I by the conveyor belt; and part of the agglomerated soil is transported to the crushing and screening mechanism through the conveyor belt for crushing;

[0008] 2) Crushing: The agglomerated soil enters the screen drum through the conveyor belt; the hydraulic motor II in the crushing and screening mechanism drives the rotating rod to rotate through the transmission rod, bevel gear II and bevel gear I, and the rotating rod drives the crushing knife to rotate, thereby adjusting the angle of the crushing knife. Then, when the screen drum swings, it drives the soil inside the screen drum to shake, so that the agglomerated soil hits the crushing knife, thereby crushing the large pieces of soil; the eccentric roller rotates along the inner wall of the screen drum and rotates on its own, thereby crushing the agglomerated soil inside the screen drum; at the same time, the power rod drives the crushing rod and the cutting knife to crush the agglomerated soil, which is convenient for the screen drum to screen;

[0009] 3) Mixing and repair: After the soil passes through the feed port II and enters the mixing mechanism after crushing and screening, the hydraulic motor III in the mixing mechanism drives the spline sleeve to rotate through the spline shaft, and the spline sleeve drives the connecting rod I and the connecting shaft to rotate. The connecting rod moves with the end of the connecting rod I away from the connecting shaft. At the same time, the connecting rod drives the connecting rod II to swing, and then the connecting rod drives the soil turning plate to move, thereby turning the soil, so that the soil and the repair liquid are evenly mixed and repaired;

[0010] 4) Discharge: The repaired soil is discharged through the discharge port.

[0011] It includes a box body, a discharge port, and a hydraulic station; the discharge port is fixed on the side wall of the box body away from the feeding mechanism; a feeding port I is arranged on the side wall of the box body, and a crushing and screening mechanism and a mixing mechanism are arranged inside the box body, and the crushing and screening mechanism is located above the mixing mechanism; the hydraulic station is located on the top of the box body, and is connected to the oil cylinder and the hydraulic motor in the equipment through an oil pipe and provides power for them; the soil enters the crushing and screening mechanism inside the box body, is crushed and screened by the crushing and screening mechanism, and the screened soil falls into the mixing mechanism, is mixed with the repair liquid through the mixing mechanism, so as to achieve the purpose of soil repair, and the repaired soil is discharged through the discharge port.

[0012] The crushing and screening mechanism comprises a screen drum, an arc-shaped baffle, a rotating shaft, a rack, an oil cylinder III, and a collecting box; the screen drum is located inside the box body, a feed port II is provided on the side wall of the screen drum, a pair of rotating shafts are provided, symmetrically fixed at both ends of the screen drum, one end of the rotating shaft away from the screen drum is connected to the side wall of the box body through a bearing, and a gear is provided on the rotating shaft; the arc-shaped baffle is connected to the inner wall of the box body and corresponds to the feed port II of the screen drum; a limit plate is provided on the outer wall of the box body, a rack is movably mounted on the limit plate, and the rack and the gear are meshed and connected; Cylinder III is fixed at one end of the limit plate, and the output shaft is connected to one end of the rack; the aggregate box is installed on the side wall of the box below the screen drum; an opening and closing door and a cylinder V are provided on the side wall of the screen drum, and the output end of the cylinder V is connected to the opening and closing door to control the opening and closing of the opening and closing door; the cylinder III provides power to drive the rack to move along the limit plate, and the rack drives the gear to rotate, and the gear drives the screen drum to swing through the rotating shaft, so as to further screen the soil inside the screen drum; the arc baffle can prevent the soil from overflowing from the feed port II during the swing of the screen drum.

[0013] The mixing mechanism includes a support frame, a hydraulic motor III, a spline sleeve, a connecting shaft, a connecting rod I, a connecting rod II, a connecting rod, a fixed sleeve, and a liquid inlet pipe; the hydraulic motor III is fixed on the side wall of the box body, and the output shaft is provided with a spline shaft, and the spline shaft is rotatably connected to the side wall of the box body through a bearing; the support frame is located inside the box body, the spline sleeve is rotatably connected to the support frame, and the spline sleeve is engaged and connected with the spline shaft; a plurality of fixed plates are provided on the support frame, and the connecting shaft is rotatably connected to the fixed plate, a pair of connecting rods I are provided, which are respectively connected to the spline sleeve and the connecting shaft, and a pin shaft I is provided between the connecting rods I; the two ends of the fixed sleeve are respectively fixed to the two side walls of the support frame, the connecting rod II is rotatably connected to the fixed sleeve, a pin shaft II is provided between the connecting rods II, and the two ends of the connecting rod are rotatably connected to the pin shaft I and the pin shaft II respectively; a flap is provided on the end where the connecting rod is connected to the pin shaft II A pair of soil plates and turning plates are provided, and the turning plates are arc-shaped; turning teeth are provided on the end of the turning plate away from the connecting rod; reinforcing ribs are provided on the turning plate and the connecting rod, and the reinforcing ribs can improve the strength of the turning plate and prevent the connection between the turning plate and the connecting rod from breaking; the liquid inlet pipe is fixed on the side wall of the box above the feed port I, and a number of evenly distributed nozzles are provided on the liquid inlet pipe; the hydraulic motor III provides power to drive the spline shaft to rotate, the spline shaft drives the spline sleeve to rotate, the spline sleeve drives the connecting rod I to rotate, the connecting rod I drives the connecting shaft to rotate, and the connecting shaft drives another set of connecting rods I to rotate; at the same time, the connecting rod follows the end of the connecting rod I away from the connecting shaft, the connecting rod drives the connecting rod II to swing, and then the connecting rod drives the turning plate to move, thereby turning the soil, so that the soil and the repair liquid are evenly mixed, and the effect of soil repair is further achieved.

[0014] A crushing mechanism is provided on the side wall of the screen drum, and the crushing mechanism includes a mounting plate, an oil cylinder IV, a tool holder, a crushing knife, a rotating rod, a transmission rod, and a hydraulic motor II; there are several mounting plates, which are evenly distributed on the outer wall of the screen drum with the screen drum as the center; a placement groove is provided on the mounting plate, and a clearance groove is provided at the position corresponding to the screen drum and the mounting plate; the tool holder is installed in the clearance groove on the side wall of the screen drum, and both ends pass through the screen drum and are located on the outside of the screen drum, the oil cylinder IV is fixed on the side wall of the screen drum, and the output end is connected to the end of the tool holder; the interior of the tool holder is hollow, and the rotating rod is provided with several uniformly rotating connections on the tool holder, the crushing knife is connected to one end of the rotating rod, and a bevel gear I is provided on the end of the rotating rod away from the crushing knife; the transmission rod is rotatably connected to the inside of the tool holder, and the transmission rod is provided with several Bevel gear II, bevel gear I and bevel gear II are meshed and connected; hydraulic motor II is fixed inside the tool holder, and the output end is connected to one end of the transmission rod; hydraulic motor II provides power to drive the transmission rod to rotate, and the transmission rod drives the rotating rod to rotate through bevel gear II and bevel gear I, and the rotating rod drives the breaking knife to rotate, so as to adjust the angle of the breaking knife, and then when the screen drum swings, it drives the soil inside the screen drum to shake, so that the agglomerated soil hits the breaking knife, so as to break the large pieces of soil; when the crushing mechanism is working, the breaking knife is adjusted to overlap with the tool holder, and then the cylinder IV provides power to drive the tool holder and the breaking knife to move, so as to move the tool holder and the breaking knife into the placement slot of the mounting plate to prevent the breaking knife from blocking the crushing mechanism.

[0015] The crushing mechanism includes a turntable, an eccentric roller, a linear module, a guide rod, a moving block, a hydraulic motor VII, a power rod, and a cleaning brush; a pair of turntables are provided, which are respectively connected to the inner side walls of the two ends of the screen drum through a rotating shaft, and a mounting groove is provided on the inner side of the turntable; a hydraulic motor V is provided at one end of the turntable, and the hydraulic motor V is fixed inside the rotating shaft; the two ends of the eccentric roller are rotatably connected to the turntable through bearings, and the eccentric roller is located on one side of the center of the turntable; a hydraulic motor VI is provided at one end of the eccentric roller, and the hydraulic motor VI is fixed to the turntable; the linear module is fixed to the inner wall of the turntable, and the guide rod is fixed to the turntable below the linear module; the moving block is connected to the linear module and passes through the guide rod; a pair of power rods are provided, which are symmetrically rotatably connected to the moving block; a pair of power rods A number of crushing rods and cutting knives are respectively arranged on the power rod; the hydraulic motor Ⅶ is fixed on the moving block and connected to the output end and the power rod; the cleaning brush is fixed on one side of the moving block; the hydraulic motor V provides power to drive the turntable to rotate, and the turntable drives the eccentric roller to rotate along the inner wall of the screen cylinder, thereby crushing the soil agglomerated inside the screen cylinder; at the same time, the hydraulic motor Ⅵ provides power to drive the eccentric roller to rotate, so that the eccentric roller crushes the soil; the linear module drives the moving block to move along the guide rod, and the moving block drives the crushing rod, the cutting knife and the cleaning brush to move through the power rod; at the same time, the hydraulic motor Ⅶ provides power to drive the crushing rod and the cutting knife to rotate through the power rod, thereby crushing the agglomerated soil and facilitating screening of the screen cylinder.

[0016] The fixed sleeve is connected with a reciprocating screw, and both ends of the reciprocating screw are rotatably connected to the side wall of the box body through bearings, the fixed sleeve and the support plate are respectively connected to the reciprocating screw through threads, and a hydraulic motor IV is provided at one end of the reciprocating screw, and the hydraulic motor IV is fixed to the outer wall of the box body; prisms are provided at both ends of the tillage plate, one end of the prism is rotatably connected to the tillage plate through a rotating shaft, and the other end is conical, which reduces the resistance to the movement of the tillage plate and facilitates the movement of the tillage plate; a number of evenly distributed mixing plates are provided on the prism; when the tillage plate turns the soil, it can drive the mixing plate and the prism to rotate, and further stir the soil; the hydraulic motor IV provides power to drive the reciprocating screw to rotate, and the reciprocating screw drives the fixed sleeve and the support plate to move through the thread, and the fixed sleeve and the support plate drive the connecting rod and the tillage plate to move, and the tillage plate drives the prism and the mixing plate to move, thereby expanding the mixing range of the tillage plate with the soil, so that the soil and the repair liquid are evenly mixed, and further achieve the effect of soil repair.

[0017] The box body is installed on the top of the transport vehicle; a pair of symmetrically fixed side panels are provided on the side walls of the box body; the box body and the internal crushing, screening and mixing mechanisms are convenient to move.

[0018] Preferably, a feeding mechanism is connected to one side of the box body, and the feeding mechanism includes a conveyor belt, a conveyor belt, and a guard plate; both ends of the conveyor belt are rotatably connected to the side wall and side plate of the box body through power rollers, and the end connected to the side plate corresponds to the feed hopper, and a power hydraulic motor is provided at one end of the power roller; filtering holes and a plurality of baffles I are provided on the conveyor belt; a pair of guard plates are provided, which are symmetrically installed on both sides of the conveyor belt, and a reinforcement plate and a connecting block are provided on one side of the guard plate, and the reinforcement plate is fixed to the side wall and side plate of the box body, and the connecting block is connected between the guard plate and the reinforcement plate; the conveyor belt is located below the conveyor belt and on the side of the feed port I of the box body; both ends of the conveyor belt are respectively connected to the guard plate and the side plate through power rollers, and a power hydraulic motor is provided at one end of the power roller Motor, a plurality of baffles Ⅱ are arranged on the conveyor belt; the soil moves to the conveyor belt through the feed hopper, and is preliminarily screened through the filter holes on the conveyor belt. The fine soil falls through the filter holes to the conveyor belt, and is transported to the mixing mechanism inside the box through the feed port Ⅰ by the conveyor belt; and some agglomerated soil enters the crushing and screening mechanism through the conveyor belt for crushing and screening; thereby reducing the transportation of soil on the conveyor belt, reducing the load of the conveyor belt, and extending the service life of the conveyor belt; at the same time, the soil is directly transported to the mixing mechanism through the conveyor belt for repair, so as to realize the repair of the soil in batches, thereby accelerating the soil repair rate, improving work efficiency, and ensuring the soil repair effect.

[0019] A feed hopper is provided at one end of the feeding mechanism away from the box body; a connecting seat is provided on the feed hopper, and the connecting seat is rotatably connected to the end of the side plate away from the box body through a rotating shaft; a mounting seat I, a cylinder I, a rotating roller, a connecting plate, a plow rake, and a hydraulic motor I are provided on the feed hopper; a mounting seat II is provided on the outer wall of the side plate; the cylinder I is rotatably connected to the mounting seat II, and the output end is rotatably connected to the mounting seat I; both ends of the rotating roller are rotatably connected to the side wall of the feed hopper through bearings; a plurality of connecting plates are provided, which are evenly fixed on the rotating roller, the plow rake is fixed to the connecting plate by bolts, the hydraulic motor I is fixed to the side wall of the feed hopper, and the output end is connected to the rotating roller; the cylinder I provides power to drive the feed hopper and the connecting seat to rotate, so that the feed hopper is tilted and inserted into the soil. When the feed hopper is finished, the feed hopper can be retracted to prevent the feed hopper from being worn; the hydraulic motor I provides power to drive the rotating roller to rotate, and the rotating roller drives the connecting plate and the plow rake to rotate, so that the soil to be repaired can be loosened, which is further conducive to the feed hopper shoveling the soil.

[0020] A protective plate is provided at one end of the conveyor belt near the feed hopper, the protective plate is located on one side of the power roller, and one end is fixed on the side plate, a push plate is provided on the top of the protective plate, and a cylinder II is connected to the side wall of the push plate, and the cylinder II is fixed on the side plate; an aggregate box is provided under the conveyor belt, and the aggregate box corresponds to the protective plate; the protective plate can prevent soil and stones from remaining inside the conveyor belt and jamming the conveyor belt when part of the soil screened through the conveyor belt falls onto the conveyor belt during the screening process; at the same time, it can reduce the wear of the conveyor belt and the power roller, and extend the service life of the conveyor belt; the cylinder II provides power to drive the push plate to move along the protective plate, thereby pushing the soil and sand and gravel on the protective plate to the aggregate box for collection.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1) In the crushing and screening mechanism, the hydraulic motor II provides power to drive the transmission rod to rotate, and the transmission rod drives the rotating rod to rotate through the bevel gear II and the bevel gear I, and the rotating rod drives the crushing knife to rotate, thereby adjusting the angle of the crushing knife. Then, when the screen drum swings, it drives the soil inside the screen drum to shake, so that the agglomerated soil hits the crushing knife, thereby crushing the large pieces of soil. When the crushing mechanism is working, the crushing knife is adjusted to coincide with the knife holder, and then the oil cylinder IV provides power to drive the knife holder and the crushing knife to move, so that the knife holder and the crushing knife are moved into the placement slot of the mounting plate to prevent the crushing knife from blocking the crushing mechanism.

[0023] 2) The hydraulic motor III in the mixing mechanism provides power to drive the spline shaft to rotate, the spline shaft drives the spline sleeve to rotate, the spline sleeve drives the connecting rod I to rotate, the connecting rod I drives the connecting shaft to rotate, and the connecting shaft drives another set of connecting rods I to rotate; at the same time, the connecting rod follows the end of the connecting rod I away from the connecting shaft to move, the connecting rod drives the connecting rod II to swing, and then the connecting rod drives the soil turning plate to move, thereby turning the soil, so that the soil and the repair liquid are evenly mixed, and further achieve the effect of soil repair;

[0024] 3) The soil moves to the conveyor belt through the feed hopper and is preliminarily screened through the filter holes on the conveyor belt. Fine soil falls through the filter holes onto the conveyor belt and is transported to the mixing mechanism inside the box through the feed port I by the conveyor belt. Some agglomerated soil is transported to the crushing and screening mechanism through the conveyor belt for crushing and screening. This can reduce the transportation of soil on the conveyor belt, reduce the load on the conveyor belt, and extend the service life of the conveyor belt. At the same time, the soil is directly transported to the mixing mechanism for repair through the conveyor belt, so as to realize the repair of the soil in batches, which not only speeds up the soil repair rate, improves work efficiency, but also ensures the soil repair effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Attached Figure 1 It is a structural schematic diagram of a box in an integrated remediation device for heavy metal contaminated soil of the present invention;

[0026] Attached Figure 2 It is a schematic diagram of the overall structure of a mixing mechanism in an integrated remediation device for heavy metal contaminated soil according to the present invention;

[0027] Attached Figure 3 It is a structural schematic diagram of a mixing mechanism in an integrated remediation device for heavy metal contaminated soil of the present invention;

[0028] Attached Figure 4 It is a structural schematic diagram of a soil turning plate in an integrated remediation device for heavy metal contaminated soil according to the present invention;

[0029] Attached Figure 5 This is a schematic diagram of the crushing and screening mechanism structure of the heavy metal contaminated soil integrated remediation equipment of the present invention. Figure 1 ;

[0030] Attached Figure 6 This is a schematic diagram of the crushing and screening mechanism structure of the heavy metal contaminated soil integrated remediation equipment of the present invention. Figure 2 ;

[0031] Attached Figure 7 This is a schematic diagram of the structure of the crushing mechanism in the integrated remediation equipment for heavy metal contaminated soil of the present invention. Figure 1 ;

[0032] Attached Figure 8This is a schematic diagram of the structure of the crushing mechanism in the integrated remediation equipment for heavy metal contaminated soil of the present invention. Figure 2 ;

[0033] Attached Fig. 9 It is a structural schematic diagram of a crushing mechanism in an integrated remediation device for heavy metal contaminated soil of the present invention;

[0034] Attached Fig.10 Yes Fig. 9 A schematic diagram of the enlarged structure of the middle part A;

[0035] Attached Fig.11 This is a schematic diagram of the structure of an integrated heavy metal contaminated soil remediation device of the present invention. Figure 1 ;

[0036] Attached Fig.12 This is a schematic diagram of the structure of an integrated heavy metal contaminated soil remediation device of the present invention. Figure 2 ;

[0037] Attached Fig.13 This is a schematic diagram of the internal structure of an integrated heavy metal contaminated soil remediation device of the present invention;

[0038] Attached Fig.14 This is a schematic diagram of the structure of a feed hopper in an integrated remediation device for heavy metal contaminated soil according to the present invention;

[0039] Attached Fig.15 It is a structural schematic diagram of a feeding mechanism in an integrated remediation device for heavy metal contaminated soil of the present invention;

[0040] In the figure: 1, box body; 101, feed port Ⅰ; 102, limit plate; 2, feed hopper; 201, mounting seat Ⅰ; 202, oil cylinder Ⅰ; 203, rotating roller; 204, connecting plate; 205, plowing rake; 206, hydraulic motor Ⅰ; 207, connecting seat; 3, feeding mechanism; 301, conveyor belt; 3011, baffle Ⅰ; 3012, protective plate; 3013, push plate; 3014, oil cylinder Ⅱ; 3015, collecting box; 302, conveyor belt; 3021, baffle Ⅱ; 303, guard plate; 3031, reinforcement plate; 3032, Connecting block; 4, discharge port; 5, crushing and screening mechanism; 501, screen drum; 5011, feed port II; 5012, clearance slot; 5013, opening and closing door; 5014, oil cylinder V; 502, arc baffle; 503, rotating shaft; 5031, gear; 504, rack; 505, oil cylinder III; 506, crushing mechanism; 5061, turntable; 50611, mounting slot; 50612, hydraulic motor V; 5062, eccentric roller; 50621, hydraulic motor VI; 5063, linear module; 5064, guide rod; 5065, Moving block; 5066, hydraulic motor Ⅶ; 5067, power rod; 50671, breaking rod; 50672, cutting knife; 5068, cleaning brush; 507, breaking mechanism; 5071, mounting plate; 50711, placement slot; 5072, oil cylinder Ⅳ; 5073, knife holder; 5074, breaking knife; 5075, rotating rod; 50751, bevel gear Ⅰ; 5076, transmission rod; 50761, bevel gear Ⅱ; 5077, hydraulic motor Ⅱ; 508, aggregate box; 6, mixing mechanism; 601, support frame; 6011, Fixed plate; 602, hydraulic motor III; 6021, spline shaft; 603, spline sleeve; 604, connecting shaft; 605, connecting rod I; 6051, pin shaft I; 606, connecting rod II; 6061, pin shaft II; 607, connecting rod; 6071, soil turning plate; 60711, soil turning teeth; 6072, prism; 6073, mixing plate; 6074, reinforcing rib; 608, fixed sleeve; 609, reciprocating screw; 610, hydraulic motor IV; 611, liquid inlet pipe; 7, transport vehicle; 8, side plate; 801, mounting seat II; 9, hydraulic station. DETAILED DESCRIPTION

[0041] To facilitate the understanding of those skilled in the art, Figure 1-15 , the technical solution of the present invention is further specifically described.

[0042] Embodiment 1:

[0043] An integrated remediation device for heavy metal contaminated soil comprises a box body 1, a discharge port 4 and a hydraulic station 9; the discharge port 4 is fixed on the side wall of the box body 1 away from the feeding mechanism 3; a feeding port Ⅰ101 is arranged on the side wall of the box body 1, a crushing and screening mechanism 5 and a mixing mechanism 6 are arranged inside the box body 1, and the crushing and screening mechanism 5 is located above the mixing mechanism 6; the hydraulic station 9 is located at the top of the box body 1, connected to the oil cylinder and the hydraulic motor in the equipment through an oil pipe, and provides power for them; the soil enters the crushing and screening mechanism 5 inside the box body 1, is crushed and screened by the crushing and screening mechanism 5, and the screened soil falls into the mixing mechanism 6, is mixed with the remediation liquid by the mixing mechanism 6, so as to achieve the purpose of soil remediation, and the remediated soil is discharged through the discharge port 4.

[0044] The crushing and screening mechanism 5 includes a screen drum 501, an arc-shaped baffle plate 502, a rotating shaft 503, a rack 504, an oil cylinder III 505, and a collecting box 508; the screen drum 501 is located inside the box body 1, and a feed port II 5011 is provided on the side wall of the screen drum 501. A pair of rotating shafts 503 are symmetrically fixed at both ends of the screen drum 501, and one end of the rotating shaft 503 away from the screen drum 501 is connected to the side wall of the box body 1 through a bearing, and a gear 5031 is provided on the rotating shaft 503; the arc-shaped baffle plate 502 is connected to the inner wall of the box body 1 and corresponds to the feed port II 5011 of the screen drum 501; a limit plate 102 is provided on the outer wall of the box body 1, and a rack 504 is movably installed on the limit plate 102, and the rack 504 and the gear 5031 are meshed and connected; The oil cylinder III 505 is fixed at one end of the limit plate 102, and the output shaft is connected to one end of the rack 504; the collecting box 508 is installed on the side wall of the box body 1 below the screen drum 501; an opening and closing door 5013 and an oil cylinder V 5014 are provided on the side wall of the screen drum 501, and the output end of the oil cylinder V 5014 is connected to the opening and closing door 5013, which can control the opening and closing of the opening and closing door 5013; the oil cylinder III 505 provides power to drive the rack 504 to move along the limit plate 102, and the rack 504 drives the gear 5031 to rotate, and the gear 5031 drives the screen drum 501 to swing through the rotating shaft 503, so as to further screen the soil inside the screen drum 501; the arc baffle 502 can prevent the soil from overflowing from the feed port II 5011 during the swinging of the screen drum 501.

[0045] The mixing mechanism 6 includes a support frame 601, a hydraulic motor III 602, a spline sleeve 603, a connecting shaft 604, a connecting rod I 605, a connecting rod II 606, a connecting rod 607, a fixed sleeve 608, and a liquid inlet pipe 611; the hydraulic motor III 602 is fixed to the side wall of the box body 1, and the output shaft is provided with a spline shaft 6021, and the spline shaft 6021 is rotatably connected to the side wall of the box body 1 through a bearing; the support frame 601 is located inside the box body 1, the spline sleeve 603 is rotatably connected to the support frame 601, and the spline sleeve 603 is engaged with the spline shaft 6021; the support frame 601 is provided with There are several fixed plates 6011, the connecting shaft 604 is rotatably connected to the fixed plate 6011, a pair of connecting rods Ⅰ 605 are provided, which are respectively connected to the spline sleeve 603 and the connecting shaft 604, and a pin Ⅰ 6051 is provided between the connecting rods Ⅰ 605; the two ends of the fixed sleeve 608 are respectively fixed to the two side walls of the support frame 601, the connecting rod Ⅱ 606 is rotatably connected to the fixed sleeve 608, and a pin Ⅱ 6061 is provided between the connecting rods Ⅱ 606, and the two ends of the connecting rod 607 are respectively rotatably connected to the pin Ⅰ 6051 and the pin Ⅱ 6061; the connecting rod 607 is connected to the pin Ⅱ 6061 A tillage plate 6071 is provided at one end, and a pair of tillage plates 6071 are provided, and the tillage plates 6071 are arc-shaped; a tillage tooth 60711 is provided at the end of the tillage plate 6071 away from the connecting rod 607; reinforcing ribs 6074 are provided on the tillage plate 6071 and the connecting rod 607, and the reinforcing ribs 6074 can improve the strength of the tillage plate 6071 and prevent the connection between the tillage plate 6071 and the connecting rod 607 from breaking; a liquid inlet pipe 611 is fixed on the side wall of the box body 1 above the feed port Ⅰ101, and a plurality of evenly distributed nozzles are provided on the liquid inlet pipe 611; a hydraulic motor Ⅲ602 provides power The force drives the spline shaft 6021 to rotate, the spline shaft 6021 drives the spline sleeve 603 to rotate, the spline sleeve 603 drives the connecting rod I 605 to rotate, the connecting rod I 605 drives the connecting shaft 604 to rotate, and the connecting shaft 604 drives another set of connecting rods I 605 to rotate; at the same time, the connecting rod 607 follows the end of the connecting rod I 605 away from the connecting shaft 604 to move, the connecting rod 607 drives the connecting rod II 606 to swing, and then the connecting rod 607 drives the turning plate 6071 to move, thereby turning the soil, so that the soil and the repair liquid are evenly mixed, and further achieve the effect of soil repair.

[0046] The side wall of the screen drum 501 is provided with a crushing mechanism 507, which includes a mounting plate 5071, a cylinder IV 5072, a knife holder 5073, a crushing knife 5074, a rotating rod 5075, a transmission rod 5076, and a hydraulic motor II 5077; the mounting plate 5071 is provided with a plurality of sieves that are evenly distributed on the outer wall of the sieve drum 501 with the sieve drum 501 as the center; a placement groove 50711 is provided on the mounting plate 5071, and a clearance groove 5012 is provided at a position corresponding to the sieve drum 501 and the mounting plate 5071; the knife holder 5073 is installed on the screen The cylinder 501 is in the give way groove 5012 on the side wall of the cylinder 501, and both ends pass through the screen cylinder 501 and are located outside the screen cylinder 501. The oil cylinder IV 5072 is fixed on the side wall of the screen cylinder 501, and the output end is connected to the end of the tool holder 5073; the inside of the tool holder 5073 is hollow, and the rotating rod 5075 is provided with a plurality of uniformly rotating connections on the tool holder 5073, and the crushing knife 5074 is connected to one end of the rotating rod 5075. The end of the rotating rod 5075 away from the crushing knife 5074 is provided with a bevel gear I 50751; the transmission rod 5076 is rotatably connected to the tool holder 5073 Inside, a plurality of bevel gears II 50761 are arranged on the transmission rod 5076, and the bevel gear I 50751 is meshed with the bevel gear II 50761; the hydraulic motor II 5077 is fixed inside the tool holder 5073, and the output end is connected to one end of the transmission rod 5076; the hydraulic motor II 5077 provides power to drive the transmission rod 5076 to rotate, and the transmission rod 5076 drives the rotating rod 5075 to rotate through the bevel gear II 50761 and the bevel gear I 50751, and the rotating rod 5075 drives the crushing knife 5074 to rotate, thereby adjusting the crushing knife 5074. 74; when the screen drum 501 swings, the soil inside the screen drum 501 is driven to shake, so that the agglomerated soil hits the breaking knife 5074, thereby breaking the large pieces of soil; when the crushing mechanism is working, the breaking knife 5074 is adjusted to coincide with the knife holder 5073, and then the cylinder IV 5072 provides power to drive the knife holder 5073 and the breaking knife 5074 to move, thereby moving the knife holder 5073 and the breaking knife 5074 into the placement groove 50711 of the mounting plate to prevent the breaking knife 5074 from blocking the crushing mechanism 506.

[0047] The crushing mechanism 506 includes a rotating disk 5061, an eccentric roller 5062, a linear module 5063, a guide rod 5064, a moving block 5065, a hydraulic motor VII 5066, a power rod 5067, and a cleaning brush 5068; a pair of rotating disks 5061 are connected to the inner side walls of the two ends of the screen drum 501 through rotating shafts, and a mounting groove 50611 is provided on the inner side of the rotating disk 5061; a hydraulic motor V 50612 is provided at one end of the rotating disk 5061, and the hydraulic motor V 50612 is fixed inside the rotating shaft 503; the two ends of the eccentric roller 5062 are connected to the inner side walls of the screen drum 501 through rotating shafts, and the inner side of the rotating disk 5061 is ... The end is rotatably connected to the turntable 5061 through a bearing, and the eccentric roller 5062 is located on one side of the center of the turntable 5061; a hydraulic motor VI50621 is provided at one end of the eccentric roller 5062, and the hydraulic motor VI50621 is fixed to the turntable 5061; the linear module 5063 is fixed on the inner wall of the turntable 5061, and the guide rod 5064 is fixed on the turntable 5061 below the linear module 5063; the moving block 5065 is connected to the linear module 5063 and passes through the guide rod 5064; a pair of power rods 5067 are provided, which are symmetrically rotatably connected to the moving block 5065; a pair of power rods 5067 are respectively provided with a plurality of crushing rods 50671 and cutting knives 50672; a hydraulic motor VII 5066 is fixed on the moving block 5065, and is connected to the power rod 5067 at the output end; a cleaning brush 5068 is fixed on one side of the moving block 5065; a hydraulic motor V 50612 provides power to drive the rotating disk 5061 to rotate, and the rotating disk 5061 drives the eccentric roller 5062 to rotate along the inner wall of the screen drum 501, thereby crushing the soil agglomerated inside the screen drum 501; at the same time, a hydraulic motor VI 50621 ... and the The power drives the eccentric roller 5062 to rotate, so that the eccentric roller 5062 crushes the soil; the linear module 5063 drives the moving block 5065 to move along the guide rod 5064, and the moving block 5065 drives the crushing rod 50671, the cutting knife 50672, and the cleaning brush 5068 to move through the power rod 5067; at the same time, the hydraulic motor Ⅶ 5066 provides power to drive the crushing rod 50671 and the cutting knife 50672 to rotate through the power rod 5067, thereby crushing the agglomerated soil, which is convenient for the screen drum 501 to screen.

[0048] The fixed sleeve 608 is connected to a reciprocating screw 609, and both ends of the reciprocating screw 609 are rotatably connected to the side wall of the box body 1 through bearings. The fixed sleeve 608 and the support frame 601 are respectively connected to the reciprocating screw 609 through threads; a hydraulic motor IV 610 is provided at one end of the reciprocating screw 609, and the hydraulic motor IV 610 is fixed to the outer wall of the box body 1; prisms 6072 are provided at both ends of the tillage plate 6071, and one end of the prism 6072 is rotatably connected to the tillage plate 6071 through a rotating shaft, and the other end is conical, which reduces the movement resistance of the tillage plate 6071 and facilitates the movement of the tillage plate 6071; a number of evenly distributed mixing plates are provided on the prism 6072 6073, when the tilling plate 6071 turns the soil, it can drive the mixing plate 6073 and the prism 6072 to rotate, and further stir the soil; the hydraulic motor IV 610 provides power to drive the reciprocating screw 609 to rotate, and the reciprocating screw 609 drives the fixed sleeve 608 and the support frame 601 to move through the thread, and the fixed sleeve 608 and the support frame 601 drive the connecting rod 607 and the tilling plate 6071 to move, and the tilling plate 6071 drives the prism 6072 and the mixing plate 6073 to move, thereby expanding the mixing range of the tilling plate 6071 for the soil, so that the soil and the repair liquid are evenly mixed, and further achieve the effect of soil repair.

[0049] The box is installed on the top of the transport vehicle 7; a pair of symmetrically fixed side panels 8 are provided on the side walls of the box, which facilitates the movement of the box and the internal crushing, screening and mixing mechanisms.

[0050] Embodiment 2:

[0051] The difference compared with Example 1 is:

[0052] A feeding mechanism 3 is connected to one side of the box body 1, and the feeding mechanism 3 includes a conveyor belt 301, a conveyor belt 302, and a guard plate 303; the two ends of the conveyor belt 301 are rotatably connected to the side wall and the side plate 8 of the box body 1 through power rollers, and the end connected to the side plate 8 corresponds to the feed hopper 2, and a power hydraulic motor is provided at one end of the power roller; a plurality of filter holes and a plurality of baffles Ⅰ3011 are provided on the conveyor belt 301; a pair of guard plates 303 are provided, which are symmetrically installed on both sides of the conveyor belt 301, and a reinforcement plate 3031 and a connecting block 3032 are provided on one side of the guard plate 303, the reinforcement plate 3031 is fixed on the side wall and the side plate 8 of the box body 1, and the connecting block 3032 is connected between the guard plate 303 and the reinforcement plate 3031; the conveyor belt 302 is located below the conveyor belt 301 and on the side of the feed port Ⅰ101 of the box body 1; the two ends of the conveyor belt 302 are respectively connected to the guard plate 303 and On the side plate 8, a power hydraulic motor is provided at one end of the power roller, and a plurality of baffles II 3021 are provided on the conveyor belt 302; the soil moves to the conveyor belt 301 through the feed hopper 2, and is preliminarily screened through the filter holes on the conveyor belt 301, and the fine soil falls through the filter holes to the conveyor belt 302, and is transported to the mixing mechanism 6 inside the box body 1 through the feed port I 101 through the conveyor belt 302; and some agglomerated soil is transported into the crushing and screening mechanism 5 through the conveyor belt 301 for crushing and screening; thereby, the soil transportation on the conveyor belt 301 can be reduced, the load of the conveyor belt 301 can be reduced, and the service life of the conveyor belt 301 can be extended; at the same time, the soil is directly transported to the mixing mechanism 6 for repair through the conveyor belt 302, so as to realize the repair of the soil in batches, thereby accelerating the soil repair rate, improving work efficiency, and ensuring the soil repair effect.

[0053] The feed hopper 2 is located at the end of the feed mechanism 3 away from the box body 1, and a connecting seat 207 is provided on the feed hopper 2, and the connecting seat 207 is rotatably connected to the end of the side plate 8 away from the box body 1 through a rotating shaft; the feed hopper 2 is provided with a mounting seat Ⅰ201, a cylinder Ⅰ202, a rotating roller 203, a connecting plate 204, a rake 205, and a hydraulic motor Ⅰ206; a mounting seat Ⅱ801 is provided on the outer wall of the side plate 8; the cylinder Ⅰ202 is rotatably connected to the mounting seat Ⅱ801, and the output end is rotatably connected to the mounting seat Ⅰ201; both ends of the rotating roller 203 are rotatably connected to the side wall of the feed hopper 2 through bearings; the connecting plate 204 is provided with a plurality of uniform solid It is fixed on the rotating roller 203, the plowshare 205 is fixed on the connecting plate 204 by bolts, the hydraulic motor I 206 is fixed on the side wall of the feed hopper 2, and the output end is connected to the rotating roller 203; the cylinder I 202 provides power to drive the feed hopper 2 and the connecting seat 207 to rotate, so that the feed hopper 2 is tilted and inserted into the soil. When the feed hopper 2 is finished, the feed hopper 2 can be put away to prevent the feed hopper 2 from being worn; the hydraulic motor I 206 provides power to drive the rotating roller 203 to rotate, and the rotating roller 203 drives the connecting plate 204 and the plowshare 205 to rotate, so that the soil to be repaired can be loosened, which is further conducive to the feed hopper 2 to shovel up the soil.

[0054] A protective plate 3012 is provided at one end of the conveyor belt 301 near the feed hopper 2. The protective plate 3012 is located on one side of the power roller and one end is fixed to the side plate 8. A push plate 3013 is provided on the top of the protective plate 3012. A cylinder II 3014 is connected to the side wall of the push plate 3013. The cylinder II 3014 is fixed to the side plate 8. A material collection box 3015 is provided under the conveyor belt 301. The material collection box 3015 corresponds to the protective plate 3012. The protective plate 3012 can prevent To prevent soil and stones from being sieved during the screening process, part of the soil sieved by the conveyor belt 301 falls onto the conveyor belt 302 and remains inside the conveyor belt 301, jamming the conveyor belt 301. At the same time, the wear of the conveyor belt 301 and the power roller can be reduced, extending the service life of the conveyor belt 301. The cylinder II 3014 provides power to drive the push plate 3013 to move along the protective plate 3012, thereby pushing the soil, sand and gravel on the protective plate 3012 to the aggregate box 3015 for collection.

[0055] An integrated remediation device for heavy metal contaminated soil, the working process of which is as follows: 1) Feeding: The soil moves to the conveyor belt 301 through the feed hopper 2, and is preliminarily screened through the filter holes on the conveyor belt 301. Fine soil falls through the filter holes onto the conveyor belt 302, and is transported to the mixing mechanism 6 inside the box 1 through the feed port Ⅰ101 by the conveyor belt 302; and some agglomerated soil enters the crushing and screening mechanism 5 for crushing through the transportation of the conveyor belt; 2) Crushing: The agglomerated soil enters the screen drum 501 through the conveyor belt 301; the hydraulic motor Ⅱ 5077 in the crushing and screening mechanism 5 drives the rotating rod 5075 to rotate through the transmission rod 5076, the bevel gear Ⅱ 50761 and the bevel gear Ⅰ 50751, and the rotating rod 5075 drives the crushing knife 5074 to rotate, thereby adjusting the angle of the crushing knife 5074, and then when the screen drum 501 swings, it drives the soil inside the screen drum 501 to shake, so that the agglomerated soil hits the crushing knife 507 4, thereby breaking up large pieces of soil; the eccentric roller 5062 rotates and self-rotates along the inner wall of the screen drum 501, thereby crushing the soil agglomerated inside the screen drum 501; at the same time, the power rod 5067 drives the crushing rod 50671 and the cutting knife 50672 to break up the agglomerated soil, making it convenient for the screen drum 501 to screen; 3) Mixing repair: After the soil enters the mixing mechanism 6 through the feed port II 5011 and after being crushed and screened, the hydraulic motor III 6 in the mixing mechanism 6 02 The spline shaft 6021 drives the spline sleeve 603 to rotate, and the spline sleeve 603 drives the connecting rod I 605 and the connecting shaft 604 to rotate, and the connecting rod 607 follows the connecting rod I 605 to move away from the end of the connecting shaft 604. At the same time, the connecting rod 607 drives the connecting rod II 606 to swing, and then the connecting rod 607 drives the turning plate 6071 to move, thereby turning the soil, so that the soil and the repair liquid are evenly mixed and repaired; 4) Discharging: The repaired soil is discharged through the discharge port 4.

[0056] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. An integrated remediation device for heavy metal contaminated soil, characterized in that The repair equipment processing steps are as follows: 1) Feeding: The soil moves to the conveyor belt through the feed hopper and is preliminarily screened through the filter holes on the conveyor belt. Fine soil falls through the filter holes onto the conveyor belt and is transported to the mixing mechanism inside the box through the feed port I by the conveyor belt; while some agglomerated soil is transported to the crushing and screening mechanism through the conveyor belt for crushing; 2) Crushing: The agglomerated soil enters the screen drum through the conveyor belt; the hydraulic motor II in the crushing and screening mechanism drives the rotating rod to rotate through the transmission rod, bevel gear II and bevel gear I, and the rotating rod drives the crushing knife to rotate, thereby adjusting the angle of the crushing knife. Then, when the screen drum swings, it drives the soil inside the screen drum to shake, so that the agglomerated soil hits the crushing knife, thereby crushing the large pieces of soil; the eccentric roller rotates along the inner wall of the screen drum and rotates on its own, thereby crushing the agglomerated soil inside the screen drum; at the same time, the power rod drives the crushing rod and the cutting knife to crush the agglomerated soil, which is convenient for the screen drum to screen; 3) Mixing and repair: After the soil passes through the feed port II and enters the mixing mechanism after crushing and screening, the hydraulic motor III in the mixing mechanism drives the spline sleeve to rotate through the spline shaft, and the spline sleeve drives the connecting rod I and the connecting shaft to rotate. The connecting rod moves with the end of the connecting rod I away from the connecting shaft. At the same time, the connecting rod drives the connecting rod II to swing, and then the connecting rod drives the soil turning plate to move, thereby turning the soil, so that the soil and the repair liquid are evenly mixed and repaired; 4) Discharge: The repaired soil is discharged through the discharge port; The repair equipment comprises a box, a discharge port, and a hydraulic station; the discharge port is fixed on the side wall of the box away from the feeding mechanism; a feeding port I is arranged on the side wall of the box, a crushing and screening mechanism and a mixing mechanism are arranged inside the box, and the crushing and screening mechanism is located above the mixing mechanism; the hydraulic station is located on the top of the box and is connected to the oil cylinder and the hydraulic motor in the equipment through an oil pipe; The crushing and screening mechanism comprises a screen drum, an arc-shaped baffle, a rotating shaft, a rack, a cylinder III and a material collection box; the screen drum is located inside the box body, a feed port II is provided on the side wall of the screen drum, a pair of rotating shafts are provided, symmetrically fixed at both ends of the screen drum, one end of the rotating shaft away from the screen drum is connected to the side wall of the box body through a bearing, and a gear is provided on the rotating shaft; the arc-shaped baffle is connected to the inner wall of the box body and corresponds to the feed port II of the screen drum; a limit plate is provided on the outer wall of the box body, a rack is movably mounted on the limit plate, and the rack and the gear are meshingly connected; the cylinder III is fixed at one end of the limit plate, and the output shaft is connected to one end of the rack; the material collection box is installed on the side wall of the box body below the screen drum; an opening and closing door and a cylinder V are provided on the side wall of the screen drum, and the output end of the cylinder V is connected to the opening and closing door to control the opening and closing of the opening and closing door; The mixing mechanism includes a support frame, a hydraulic motor III, a spline sleeve, a connecting shaft, a connecting rod I, a connecting rod II, a connecting rod, a fixed sleeve, and a liquid inlet pipe; the hydraulic motor III is fixed to the side wall of the box body, and the output shaft is provided with a spline shaft, and the spline shaft is rotatably connected to the side wall of the box body through a bearing; the support frame is located inside the box body, the spline sleeve is rotatably connected to the support frame, and the spline sleeve is engaged with the spline shaft; a plurality of fixed plates are provided on the support frame, and the connecting shaft is rotatably connected to the fixed plate, and a pair of connecting rods I are provided, which are respectively connected to the spline sleeve and the connecting shaft, A pin shaft I is provided between the rods I; the two ends of the fixed sleeve are respectively fixed on the two side walls of the support frame, the connecting rod II is rotatably connected to the fixed sleeve, a pin shaft II is provided between the connecting rods II, and the two ends of the connecting rod are rotatably connected to the pin shaft I and the pin shaft II; a soil turning plate is provided on the end of the connecting rod connected to the pin shaft II, and a pair of soil turning plates are provided, and the soil turning plates are arc-shaped; soil turning teeth are provided on the end of the soil turning plate away from the connecting rod; reinforcing ribs are provided on the soil turning plate and the connecting rod, and the liquid inlet pipe is fixed on the side wall of the box body above the feed port I, and a number of evenly distributed nozzles are provided on the liquid inlet pipe.

2. The heavy metal contaminated soil integrated remediation equipment according to claim 1 is characterized in that A crushing mechanism is arranged on the side wall of the screen drum, and the crushing mechanism comprises a mounting plate, a cylinder IV, a tool holder, a crushing knife, a rotating rod, a transmission rod and a hydraulic motor II; there are several mounting plates, which are evenly distributed on the outer wall of the screen drum with the screen drum as the center; there are placement grooves on the mounting plate, and clearance grooves are arranged at positions corresponding to the screen drum and the mounting plate; the tool holder is installed in the clearance groove on the side wall of the screen drum, and both ends pass through the screen drum and are located on the outer side of the screen drum, the cylinder IV is fixed on the side wall of the screen drum, and the output end is connected to the end of the tool holder; the interior of the tool holder is hollow, the rotating rod is provided with several uniformly rotating connections on the tool holder, the crushing knife is connected to one end of the rotating rod, and a bevel gear I is arranged at the end of the rotating rod away from the crushing knife; the transmission rod is rotationally connected inside the tool holder, and a number of bevel gears II are arranged on the transmission rod, and the bevel gear I and the bevel gear II are meshingly connected; the hydraulic motor II is fixed inside the tool holder, and the output end is connected to one end of the transmission rod.

3. The heavy metal contaminated soil integrated remediation equipment according to claim 1 is characterized in that The crushing mechanism includes a turntable, an eccentric roller, a linear module, a guide rod, a moving block, a hydraulic motor VII, a power rod, and a cleaning brush; a pair of turntables are provided, which are respectively connected to the inner walls of the two ends of the screen drum through a rotating shaft, and a mounting groove is provided on the inner side of the turntable; a hydraulic motor V is provided at one end of the turntable, and the hydraulic motor V is fixed inside the rotating shaft; the two ends of the eccentric roller are rotatably connected to the turntable through bearings, and the eccentric roller is located on one side of the center of the turntable; a hydraulic motor VI is provided at one end of the eccentric roller, and the hydraulic motor VI is fixed to the turntable; the linear module is fixed on the inner wall of the turntable, and the guide rod is fixed on the turntable below the linear module; the moving block is connected to the linear module and passes through the guide rod; a pair of power rods are provided, which are symmetrically rotatably connected to the moving block; a pair of power rods are respectively provided with a number of crushing rods and cutting knives; the hydraulic motor VII is fixed on the moving block, and is connected to the output end and the power rod; the cleaning brush is fixed on one side of the moving block.

4. The heavy metal contaminated soil integrated remediation equipment according to claim 1 is characterized in that A reciprocating screw is connected to the fixed sleeve, and both ends of the reciprocating screw are rotatably connected to the side walls of the box through bearings. The fixed sleeve and the support plate are respectively connected to the reciprocating screw through threads. A hydraulic motor IV is provided at one end of the reciprocating screw, and the hydraulic motor IV is fixed to the outer wall of the box; prisms are provided at both ends of the tillage plate, one end of the prism is rotatably connected to the tillage plate through a rotating shaft, and the other end is conical; a number of evenly distributed mixing plates are provided on the prism.

5. The heavy metal contaminated soil integrated remediation equipment according to claim 1 is characterized in that The box body is installed on the top of the transport vehicle; a pair of symmetrically fixed side panels are arranged on the side walls of the box body.

6. The heavy metal contaminated soil integrated remediation equipment according to claim 1 is characterized in that A feeding mechanism is connected to one side of the box body, and the feeding mechanism includes a conveyor belt, a conveyor belt, and a guard plate; both ends of the conveyor belt are rotatably connected to the side wall and side plate of the box body through power rollers, and the end connected to the side plate corresponds to the feed hopper, and a power hydraulic motor is provided at one end of the power roller; filtering holes and a number of baffles I are provided on the conveyor belt; a pair of guard plates are provided, which are symmetrically installed on both sides of the conveyor belt, and a reinforcement plate and a connecting block are provided on one side of the guard plate, the reinforcement plate is fixed on the side wall and side plate of the box body, and the connecting block is connected between the guard plate and the reinforcement plate; the conveyor belt is located below the conveyor belt and on the side of the feed port I of the box body; both ends of the conveyor belt are connected to the guard plate and the side plate through power rollers, and a power hydraulic motor is provided at one end of the power roller, and a number of baffles II are provided on the conveyor belt.

7. The heavy metal contaminated soil integrated remediation equipment according to claim 6 is characterized in that A feed hopper is provided at the end of the feeding mechanism away from the box body; a connecting seat is provided on the feed hopper, and the connecting seat is rotatably connected to the end of the side plate away from the box body through a rotating shaft; a mounting seat I, a cylinder I, a rotating roller, a connecting plate, a plowshare and a hydraulic motor I are provided on the feed hopper; a mounting seat II is provided on the outer wall of the side plate; the cylinder I is rotatably connected to the mounting seat II, and the output end is rotatably connected to the mounting seat I; both ends of the rotating roller are rotatably connected to the side wall of the feed hopper through bearings; a number of connecting plates are provided, which are evenly fixed on the rotating roller, the plowshare is fixed to the connecting plate by bolts, the hydraulic motor I is fixed to the side wall of the feed hopper, and the output end is connected to the rotating roller.

8. The heavy metal contaminated soil integrated remediation equipment according to claim 6 is characterized in that A protective plate is provided at one end of the conveyor belt near the feed hopper. The protective plate is located on one side of the power roller and one end is fixed on the side plate. A push plate is provided on the top of the protective plate. Cylinder II is connected to the side wall of the push plate and fixed to the side plate. A collection box is provided under the conveyor belt, and the collection box corresponds to the protective plate.

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