CN110711766A

CN110711766A - Cadmium-contaminated soil remediation device

Info

Publication number: CN110711766A
Application number: CN201910994131.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Ren Qilan
Current assignee: Ren Qilan
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-01-21

Abstract

The invention relates to the technical field of soil remediation equipment, in particular to a cadmium-polluted soil remediation device, the double-shaft motor in the driving mechanism drives the rotating shaft to rotate, the rotating shaft can drive the driving gears to rotate when rotating, the meshing gear can drive the sleeved driving toothed belt to rotate around the two driving gears when rotating, so that the device can normally run in a muddy ground, in the in-process that advances, the shovel piece can shovel soil, can drive the axis of rotation when rotating through the double-shaft motor and rotate, the axis of rotation can drive the second drive wheel through cup jointing the transmission belt on first drive wheel when carrying out the pivoted and rotate, the second drive wheel can drive coaxial soil turning roller when rotating and rotate, soil turning roller can shovel soil to the shovel piece when rotatory and overturn, can carry out even stirring with the material that unloading mechanism broadcasts out when the upset.

Description

Cadmium-contaminated soil remediation device

Technical Field

The invention relates to the technical field of soil remediation equipment, in particular to a cadmium-polluted soil remediation device.

Background

The existing remediation method of cadmium contaminated soil is divided into engineering remediation method, biological remediation method, chemical remediation method and agricultural remediation method, wherein one of the engineering remediation method adopts the method of shoveling out the surface soil or adding uncontaminated new soil on the contaminated soil or removing the contaminated soil and replacing the new soil, the method has the advantages of thorough effect, stability and the like, but has the defects of complex implementation, high remediation cost and easy reduction of soil fertility and the like, the two biological remediation methods are characterized in that some habits of organisms are utilized to adapt, inhibit and improve cadmium pollution, the remediation efficiency is slow, the three chemical remediation methods are characterized in that modifying agents and inhibiting agents are put into the contaminated soil, soil organic matters, cation substitution amount and clay content are increased, so that cadmium in the soil has the effects of oxidation, reduction, precipitation, adsorption, inhibition, antagonism and the like to reduce the biological effectiveness of cadmium, the chemical treatment measures have the advantages of moderate treatment effect and cost and easy reactivation and the agricultural treatment is to change some farming management systems according to local conditions to reduce the harm of pots and plant the contaminated soil without entering food chain. In order to treat cadmium-polluted soil efficiently, quickly and at low cost, the multifunctional cadmium-polluted soil remediation device is designed by combining the advantages and disadvantages of the cadmium-polluted soil remediation method.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a cadmium-polluted soil remediation device.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cadmium contaminated soil prosthetic devices, includes the supporting mechanism, pushes away and smooths mechanism, unloading mechanism and actuating mechanism and constitute, push away and smooths the mechanism setting at the both ends of supporting mechanism, unloading mechanism sets up the top at the supporting mechanism, actuating mechanism sets up the inside at the supporting mechanism, the supporting mechanism comprises girder, crossbeam, first axle bed and second axle bed, girder parallel arrangement has two, two be provided with the crossbeam between the girder, the both ends of crossbeam respectively with two girder fixed connection, two the both ends of girder bottom all are provided with the primary shaft seat, two the symmetry is provided with two secondary axle beds between the primary shaft seat, first axle bed and secondary axle bed are all through bolt and girder fixed connection.

Specifically, the pushing and stroking mechanism consists of a shovel block, a compression roller, a first connecting plate, a first pin shaft, a locking bolt, a second connecting plate and a second pin shaft, the shovel block is arranged at one end of the supporting mechanism, the press roller is arranged at one end of the supporting mechanism far away from the shovel block, the shovel block is in a triangular prism structure, and the two ends of the shovel block are respectively provided with a first connecting plate, the two first connecting plates are respectively fixedly connected with the two main beams, the two ends of the shovel block are rotatably connected with first connecting plates through first pin shafts which are fixedly connected, one ends of the two first connecting plates far away from the main beam are fixedly connected with the shovel block through locking bolts, the both ends of compression roller all are provided with the second connecting plate, two the second connecting plate is fixed connection respectively and keeps away from the one end of first connecting plate at the girder, just the compression roller rotates with the second connecting plate through second round pin axle and is connected.

The blanking mechanism comprises a supporting plate, a seeding box, a blanking block and a blanking hole, the supporting plate is fixedly connected to the tops of the two main beams through bolts, the top of the supporting plate is fixedly connected with the seeding box, the seeding box is of a funnel-shaped structure, the bottom of the seeding box is fixedly connected with the blanking block, the other end of the blanking block penetrates through the supporting plate to extend between the two cross beams, a plurality of blanking holes are formed in the top of the blanking block at equal intervals, the blanking holes are communicated with the inside of the seeding box, and the electromagnetic valve is arranged inside the blanking holes.

Specifically, the driving mechanism comprises a first double-shaft motor, a second double-shaft motor, a fixed frame, a coupler, a rotating shaft, a first driving wheel, a second driving wheel, a driving belt, a driving gear, a driving toothed belt, a driven shaft, soil turning rollers and turning plates, wherein the first double-shaft motor and the second double-shaft motor are respectively provided with two ends of the bottom of a supporting plate, the first double-shaft motor and the second double-shaft motor are fixedly connected with the supporting plate through the fixed frame, the shaft walls of output shafts at two ends of the first double-shaft motor and the second double-shaft motor are respectively and fixedly connected with the rotating shaft through the coupler, the rotating shaft is rotatably connected with the main beam through a first shaft seat, two soil turning rollers are arranged between the first double-shaft motor and the second double-shaft motor, a plurality of turning plates are fixedly connected on the outer roller walls of the two soil turning rollers at equal intervals, and the driven shafts are respectively, the driven shaft is connected with the main beam through the second shaft seat in a rotating mode, a first driving wheel is fixedly connected to the shaft wall of one end, close to the main beam, of the rotating shaft, a second driving wheel is fixedly connected to the shaft wall of one end, close to the main beam, of the driven shaft, the first driving wheel and the second driving wheel are connected through a driving belt in a transmission mode, a driving gear is fixedly connected to the shaft wall of one end, far away from the shaft coupling, of the rotating shaft, and the driving gear is connected with the driving gear in a transmission mode through.

Specifically, the position fixedly connected with protecting crust that corresponds drive belt on the inner wall of girder, the inside of protecting crust is provided with first drive wheel, second drive wheel and drive belt, just the protecting crust is connected with rotation axis and driven shaft and is rotated.

Specifically, the diameter of the first driving wheel is twice of that of the second driving wheel.

Specifically, a plurality of meshing teeth are arranged on the outer wall of the driving gear at equal intervals, a plurality of meshing grooves matched with each other are formed in the inner wall of the driving toothed belt corresponding to the meshing teeth, and the driving gear is meshed with the driving toothed belt.

The invention has the beneficial effects that:

(1) the cadmium contaminated soil remediation device has the advantages that the double-shaft motor in the driving mechanism drives the rotating shaft to rotate, the rotating shaft can drive the driving gears to rotate when rotating, the meshed gears can drive the sleeved driving toothed belts to rotate around the two driving gears when rotating, so that the device can normally run in a muddy ground, the shoveling blocks can shovel soil in the advancing process, the double-shaft motor can drive the rotating shaft to rotate when rotating, the rotating shaft can drive the second driving wheel to rotate through the driving belt sleeved on the first driving wheel while rotating, the second driving wheel can drive the coaxial soil turning roller to rotate when rotating, the soil turning roller can turn over soil shoveled by the shoveling blocks when rotating, materials sowed by the blanking mechanism can be uniformly stirred while turning over, so that the repairing effect is better.

(2) According to the cadmium-polluted soil remediation device, materials such as steel slag or earthworms can be placed in the spreading box in the feeding mechanism, so that the device can be remedied by adopting different remediation methods according to different types of requirements, the applicability of the device is better, and loose soil can be compacted by the compression roller after remediation is finished.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a cadmium-contaminated soil remediation device provided by the invention;

FIG. 2 is a schematic view of the internal structure of a cadmium-contaminated soil remediation device provided by the invention;

FIG. 3 is a schematic bottom structure view of a cadmium-contaminated soil remediation device according to the present invention;

FIG. 4 is a side view of a cadmium contaminated soil remediation device according to the present invention;

fig. 5 is a schematic structural diagram of a support structure in the cadmium-contaminated soil remediation device provided by the invention.

In the figure: 1. a support mechanism; 11. a main beam; 12. a cross beam; 13. a first shaft seat; 14. a second shaft base; 2. a pushing and stroking mechanism; 21. shoveling blocks; 22. a compression roller; 23. a first connecting plate; 24. a first pin shaft; 25. locking the bolt; 26. a second connecting plate; 27. a second pin shaft; 3. a blanking mechanism; 31. a support plate; 32. seeding box; 33. blanking blocks; 34. a blanking hole; 4. a drive mechanism; 41. a first dual-axis motor; 42. a second dual-shaft motor; 43. fixing the frame; 44. a coupling; 45. a rotating shaft; 46. a protective shell; 47. a first drive pulley; 48. a second transmission wheel; 49. a drive belt; 410. a drive gear; 411. a drive toothed belt; 412. a driven shaft; 413. a soil turning roller; 414. and (4) turning over the plate.

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 FIGS. 1 to 5, the cadmium contaminated soil remediation device comprises a supporting mechanism 1, a pushing and stroking mechanism 2, a blanking mechanism 3 and a driving mechanism 4, the pushing and stroking mechanism 2 is arranged at two ends of the supporting mechanism 1, the blanking mechanism 3 is arranged above the supporting mechanism 1, the driving mechanism 4 is arranged inside the supporting mechanism 1, the supporting mechanism 1 is composed of a main beam 11, a cross beam 12, a first shaft seat 13 and a second shaft seat 14, two main beams 11 are arranged in parallel, a cross beam 12 is arranged between the two main beams 11, two ends of the cross beam 12 are respectively fixedly connected with the two main beams 11, two ends of the bottoms of the two main beams 11 are respectively provided with a first shaft seat 13, two second shaft seats 14 are symmetrically arranged between the two first shaft seats 13, the first shaft seat 13 and the second shaft seat 14 are fixedly connected with the main beam 11 through bolts.

Specifically, the pushing and stroking mechanism 2 comprises a shovel block 21, a compression roller 22, a first connecting plate 23, a first pin shaft 24, a locking bolt 25, a second connecting plate 26 and a second pin shaft 27, the shovel block 21 is arranged at one end of the supporting mechanism 1, the compression roller 22 is arranged at one end of the supporting mechanism 1 far away from the shovel block 21, the shovel block 21 is in a triangular prism structure, the first connecting plates 23 are arranged at two ends of the shovel block 21, the two first connecting plates 23 are respectively fixedly connected with the two main beams 11, two ends of the shovel block 21 are rotatably connected with the first connecting plate 23 through the first pin shaft 24 fixedly connected, one end of the two first connecting plates 23 far away from the main beams 11 is fixedly connected with the shovel block 21 through the locking bolt 25, the second connecting plates 26 are arranged at two ends of the compression roller 22, the two second connecting plates 26 are respectively fixedly connected at one end of the main beams 11 far away from the first connecting plates 23, and the compression roller 22 is rotatably connected with the second connecting plate 26 through a second pin shaft 27, the pushing and stroking mechanism 2 can shovel the cadmium-polluted soil to be restored through the shovel block 21 in the pushing and stroking mechanism, so that the soil becomes soft, the driving mechanism 4 can conveniently and uniformly mix the soil and the materials, and the compression roller 22 can compact the restored soil.

Specifically, unloading mechanism 3 comprises backup pad 31, broadcast material case 32, unloading piece 33 and unloading hole 34, backup pad 31 passes through bolt fixed connection at the top of two girder 11, the top fixedly connected with broadcast material case 32 of backup pad 31, broadcast material case 32 is funnel type structure, the bottom fixedly connected with unloading piece 33 of broadcast material case 32, the other end of unloading piece 33 passes backup pad 31 and extends to between two crossbeams 12, a plurality of unloading hole 34 has been seted up to the equidistant top of unloading piece 33, unloading hole 34 and broadcast material case 32's inside intercommunication, just the inside of unloading hole 34 is provided with the solenoid valve, and the inside of the inside broadcast material case 32 of unloading mechanism 3 can place materials such as slag or earthworm, sets up the at the uniform velocity in unloading hole 34, the quantitative unloading of being convenient for unloading mechanism 3 to carry out.

Specifically, the driving mechanism 4 is composed of a first dual-shaft motor 41, a second dual-shaft motor 42, a fixed frame 43, a coupling 44, a rotating shaft 45, a first driving wheel 47, a second driving wheel 48, a driving belt 49, a driving gear 410, a driving toothed belt 411, a driven shaft 412, a soil turning roller 413 and turning plates 414, the first dual-shaft motor 41 and the second dual-shaft motor 42 are respectively provided with two ends of the bottom of the supporting plate 31, the first dual-shaft motor 41 and the second dual-shaft motor 42 are both fixedly connected with the supporting plate 31 through the fixed frame 43, the rotating shafts 45 are both fixedly connected to shaft walls of output shafts at two ends of the first dual-shaft motor 41 and the second dual-shaft motor 42 through the coupling 44, the rotating shafts 45 are rotatably connected with the main beam 11 through a first shaft seat 13, two soil turning rollers 413 are provided between the first dual-shaft motor 41 and the second dual-shaft motor 42, a plurality of turning plates 414 are fixedly connected to outer roller walls of the two soil turning, the two ends of the two soil turning rollers 413 are fixedly connected with driven shafts 412, the driven shafts 412 are connected with the main beam 11 through second shaft seats 14 in a rotating mode, a first driving wheel 47 is fixedly connected to the shaft wall of one end, close to the main beam 11, of the rotating shaft 45, a second driving wheel 48 is fixedly connected to the shaft wall of one end, close to the main beam 11, of the driven shaft 412, the first driving wheel 47 and the second driving wheel 48 are in transmission connection through a driving belt 49, a driving gear 410 is fixedly connected to the shaft wall of one end, far away from the coupler 44, of the rotating shaft 45, the two driving gears 410 on the same side are in transmission connection through a driving toothed belt 411, the first double-shaft motor 41 and the second double-shaft motor 42 in the driving mechanism 4 rotate at the same rotating speed under the control of PLC control, the first double-shaft motor 41 and the second double-shaft motor 42 drive the rotating shaft 45, drive gear 410 can drive the drive toothed belt 411 that is connected with it meshing when rotating, reach drive arrangement and carry out the purpose that moves ahead, and the driving belt 49 that sets up can transmit the rotatory torsion on the first drive wheel 47 to the second drive wheel 48 on, the second drive wheel 48 can drive coaxial soil turning roller 413 and rotate, soil turning roller 413 can drive when rotating and turn over board 414 and turn over the material to earth, make the material can be abundant with earth misce bene.

Specifically, the fixedly connected with protecting crust 46 of the position that corresponds driving belt 49 on the inner wall of girder 11, the inside of protecting crust 46 is provided with first drive wheel 47, second drive wheel 48 and driving belt 49, just protecting crust 46 is connected with axis of rotation 45 and driven shaft 412 to rotate, and protecting crust 46 covers first drive wheel 47, second drive wheel 48 and driving belt 49 inside, can prevent to glue earth above first drive wheel 47, second drive wheel 48 and the driving belt 49 for the transmission effect between first drive wheel 47, second drive wheel 48 and the driving belt 49 is better.

Specifically, the diameter of first drive wheel 47 is the twice of the diameter of second drive wheel 48, and first drive wheel 47 can drive second drive wheel 48 and rotate two circles when rotating the circle for the rotational speed of roll 413 is faster, and the effect of the compounding of digging is better.

Specifically, a plurality of meshing teeth are formed on the outer wall of the driving gear 410 at equal intervals, a plurality of matching meshing grooves are formed in the inner wall of the driving toothed belt 411 corresponding to the meshing teeth, the driving gear 410 is meshed with the driving toothed belt 411, and the meshing teeth are meshed inside the meshing grooves, so that the transmission effect of the transmission force between the driving gear 410 and the driving toothed belt 411 is better.

When the device is used, the first double-shaft motor 41 and the second double-shaft motor 42 in the driving mechanism 4 rotate at the same rotating speed under the control of the PLC, the first double-shaft motor 41 and the second double-shaft motor 42 drive the rotating shaft 45 to rotate, the rotating shaft 45 can drive the driving gear 410 to rotate when rotating, so that the device can normally run in a mud field, in the advancing process, the pushing and stroking mechanism 2 can shovel cadmium polluted soil to be restored through the shovel block 21 inside, so that the soil becomes soft, the rotating shaft 45 can be driven to rotate by the double-shaft motor when rotating, the rotating shaft 45 can transmit the rotating torque on the first driving wheel 47 to the second driving wheel 48 by the driving belt 49 arranged while rotating, the second driving wheel 48 can drive the coaxial soil turning roller 413 to rotate, the soil turning roller 413 can drive the turning plate 414 to turn the soil when rotating, the roller 413 that digs can shovel the soil to shovel piece 21 when rotatory and overturn, can broadcast the material that unloading mechanism 3 broadcasts out when the upset and carry out even stirring, make the repairing effect better, the inside material such as slag or earthworm can be placed to the inside of broadcasting workbin 32 of unloading mechanism 3 that sets up, the solenoid valve of setting in unloading hole 34, the unloading mechanism 3 of being convenient for carries out the quantitative unloading at the uniform velocity, make the device can adopt different repair methods to restore according to different kinds of needs, the suitability of device is better, after the restoration is accomplished, compression roller 22 can carry out the compaction with lax soil.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The cadmium contaminated soil remediation device is characterized by comprising a supporting mechanism (1), a pushing and stroking mechanism (2), a blanking mechanism (3) and a driving mechanism (4), wherein the pushing and stroking mechanism (2) is arranged at two ends of the supporting mechanism (1), the blanking mechanism (3) is arranged above the supporting mechanism (1), the driving mechanism (4) is arranged in the supporting mechanism (1), the supporting mechanism (1) comprises main beams (11), cross beams (12), first shaft seats (13) and second shaft seats (14), the two main beams (11) are arranged in parallel, the cross beams (12) are arranged between the two main beams (11), two ends of each cross beam (12) are respectively and fixedly connected with the two main beams (11), two ends of the bottom of each main beam (11) are respectively provided with the first shaft seats (13), and two second shaft seats (14) are symmetrically arranged between the two first shaft seats (13), the first shaft seat (13) and the second shaft seat (14) are fixedly connected with the main beam (11) through bolts.

2. The cadmium-contaminated soil remediation device of claim 1, wherein: the pushing and stroking mechanism (2) comprises shovel blocks (21), a compression roller (22), a first connecting plate (23), a first pin shaft (24), a locking bolt (25), a second connecting plate (26) and a second pin shaft (27), the shovel blocks (21) are arranged at one end of the supporting mechanism (1), the compression roller (22) is arranged at one end, far away from the shovel blocks (21), of the supporting mechanism (1), the shovel blocks (21) are in a triangular prism structure, the two ends of each shovel block (21) are respectively provided with the first connecting plates (23), the two first connecting plates (23) are respectively fixedly connected with the two main beams (11), the two ends of each shovel block (21) are respectively rotatably connected with the first connecting plates (23) through the first pin shafts (24) which are fixedly connected, the two ends, far away from the main beams (11), of the first connecting plates (23) are fixedly connected with the shovel blocks (21) through the locking bolts (25), the both ends of compression roller (22) all are provided with second connecting plate (26), two second connecting plate (26) fixed connection is in the one end of girder (11) keeping away from first connecting plate (23) respectively, just compression roller (22) are connected through second round pin axle (27) and second connecting plate (26) rotation.

3. The cadmium-contaminated soil remediation device of claim 1, wherein: unloading mechanism (3) comprises backup pad (31), broadcast workbin (32), unloading piece (33) and unloading hole (34), backup pad (31) are through the top of bolt fixed connection at two girder (11), the top fixedly connected with broadcast workbin (32) of backup pad (31), broadcast workbin (32) are funnel type structure, broadcast workbin (32) bottom fixedly connected with down material piece (33), the other end of material piece (33) passes backup pad (31) down and extends to between two crossbeam (12), a plurality of unloading hole (34) have been seted up to the top of material piece (33) equidistant down, unloading hole (34) and the inside intercommunication of broadcast workbin (32), just the inside of unloading hole (34) is provided with the solenoid valve.

4. The cadmium-contaminated soil remediation device of claim 1, wherein: the driving mechanism (4) consists of a first double-shaft motor (41), a second double-shaft motor (42), a fixed rack (43), a coupler (44), a rotating shaft (45), a first driving wheel (47), a second driving wheel (48), a driving belt (49), a driving gear (410), a driving toothed belt (411), a driven shaft (412), a soil turning roller (413) and a turning plate (414), wherein the first double-shaft motor (41) and the second double-shaft motor (42) are respectively provided with two ends of the bottom of the supporting plate (31), the first double-shaft motor (41) and the second double-shaft motor (42) are both fixedly connected with the supporting plate (31) through the fixed rack (43), the shaft walls of output shafts at two ends of the first double-shaft motor (41) and the second double-shaft motor (42) are both fixedly connected with the rotating shaft (45) through the coupler (44), and the rotating shaft (45) is rotatably connected with the main beam (11) through the first shaft seat (13), two soil turning rollers (413) are arranged between the first double-shaft motor (41) and the second double-shaft motor (42), a plurality of turning plates (414) are fixedly connected to the outer roller walls of the two soil turning rollers (413) at equal intervals, driven shafts (412) are fixedly connected to the two ends of the two soil turning rollers (413), the driven shafts (412) are rotatably connected with the main beam (11) through second shaft seats (14), a first driving wheel (47) is fixedly connected to the shaft wall of one end, close to the main beam (11), of the rotating shaft (45), a second driving wheel (48) is fixedly connected to the shaft wall of one end, close to the main beam (11), of the driven shafts (412), the first driving wheel (47) is in transmission connection with the second driving wheel (48) through a driving belt (49), and a driving gear (410) is fixedly connected to the shaft wall of one end, far away from the coupler (44), of the rotating shaft (45, the two driving gears (410) on the same side are in transmission connection through a driving toothed belt (411).

5. The cadmium-contaminated soil remediation device of claim 4, wherein: the position fixedly connected with protecting crust (46) that corresponds drive belt (49) on the inner wall of girder (11), the inside of protecting crust (46) is provided with first drive wheel (47), second drive wheel (48) and drive belt (49), just protecting crust (46) and axis of rotation (45) and driven shaft (412) are rotation connection.

6. The cadmium-contaminated soil remediation device of claim 4, wherein: the diameter of the first transmission wheel (47) is twice that of the second transmission wheel (48).

7. The cadmium-contaminated soil remediation device of claim 4, wherein: the outer wall of the driving gear (410) is provided with a plurality of meshing teeth at equal intervals, the inner wall of the driving toothed belt (411) is provided with a plurality of matching meshing grooves corresponding to the meshing teeth, and the driving gear (410) is meshed and connected with the driving toothed belt (411).