CN219401648U

CN219401648U - Leaching equipment for repairing heavy metal contaminated soil

Info

Publication number: CN219401648U
Application number: CN202320188454.0U
Authority: CN
Inventors: 陈飞; 栾日娜; 刘志国; 沈秋悦
Original assignee: Jiangsu Chunyue Low Carbon Research Co ltd
Current assignee: Jiangsu Chunyue Low Carbon Research Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-25
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to the technical field of soil remediation and discloses leaching equipment for heavy metal contaminated soil remediation, which comprises a leaching barrel, wherein a supporting frame is fixedly arranged at the top of the leaching barrel, a motor is fixedly arranged at the top of the supporting frame, a rotary pipe is fixedly arranged at the output end of the motor, a rotary plate is fixedly arranged at the lower end of the rotary pipe, stirring shafts are fixedly arranged at two sides of the lower surface of the rotary plate, and stirring blades are fixedly arranged on the shaft wall of the stirring shaft; the inner wall of the leaching barrel is fixedly provided with a liquid collecting plate, the rotating plate and the liquid collecting plate are of hollow structures, the lower surface of the rotating plate is provided with a plurality of evenly distributed liquid outlet holes, the pipe wall of the rotating pipe rotates to penetrate through the inside of the liquid collecting plate, the pipe wall of the rotating pipe is provided with a liquid inlet hole, the top of the supporting frame is fixedly provided with a liquid tank, and the output end of the liquid tank is fixedly provided with a liquid pipe. The utility model adopts a mechanism for stirring and rotary leaching the soil, so that the soil is well stirred and leached, and the remediation efficiency of the heavy metal contaminated soil is improved.

Description

Leaching equipment for repairing heavy metal contaminated soil

Technical Field

The utility model relates to the technical field of soil remediation, in particular to leaching equipment for heavy metal contaminated soil remediation.

Background

The soil leaching restoration is a technology of applying a leaching solution to the polluted soil, enabling the leaching solution to permeate downwards through the polluted soil and interact with pollutants in the polluted soil, finally transferring the pollutants into the leaching solution through physical and chemical actions such as desorption, chelation, dissolution or complexation of the leaching solution, extracting liquid containing the pollutants from a soil medium, and separating and treating the pollutants.

Wherein patent number is CN216501501U, discloses a soil leaching device for solving heavy metal and inorganic salt pollution soil restoration, including end box, characterized by: the bottom box fixed connection riser, riser fixed connection roof, roof fixed connection box, box fixed connection liquid pump, box threaded connection end cover, roof fixed connection motor support, riser fixed connection framework, riser fixed connection circle axle two, motor support fixed connection drip washing mechanism, drip washing mechanism use: the motor is turned on, the motor drives the circular shaft to rotate, the circular shaft drives the circular ring to rotate, the circular ring drives the circular rod to swing, the circular rod drives the sliding block to swing and simultaneously moves along the sliding groove, the sliding block drives the sliding groove to swing reciprocally, the sliding groove drives the L-shaped rod to swing reciprocally, and the L-shaped rod drives the liquid pipe and the spray head to swing reciprocally.

In the scheme, the spray head swings in a swinging mode, and the leacheate is sprayed on the surface of the soil, but because the soil amount is large, the leacheate can only be sprayed on the surface of the soil, and then enters in a penetration mode of the leacheate, so that the soil restoration efficiency is reduced. For this purpose, a leaching device for restoring heavy metal contaminated soil is proposed.

Disclosure of Invention

The utility model aims to solve the problems of the background technology, and provides leaching equipment for repairing heavy metal contaminated soil.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the leaching equipment for restoring the heavy metal contaminated soil comprises a leaching barrel, wherein the top of the leaching barrel is provided with an opening, and the bottom of the leaching barrel is provided with a discharge pipe;

the top of the leaching barrel is fixedly provided with a supporting frame, the top of the supporting frame is fixedly provided with a motor, the output end of the motor is fixedly provided with a rotary pipe, the lower end of the rotary pipe is fixedly provided with a rotary plate, both sides of the lower surface of the rotary plate are fixedly provided with stirring shafts, and the shaft wall of each stirring shaft is fixedly provided with stirring blades;

the inner wall of the shower cylinder is fixedly provided with a liquid collecting plate, the rotating plate and the liquid collecting plate are of hollow structures, a plurality of evenly distributed liquid outlet holes are formed in the lower surface of the rotating plate, the pipe wall of the rotating pipe rotates to penetrate through the liquid collecting plate, the pipe wall of the rotating pipe is provided with a liquid inlet, the top of the supporting frame is fixedly provided with a liquid tank, the output end of the liquid tank is fixedly provided with a liquid pipe, and the tail end of the liquid pipe is communicated with the liquid collecting plate.

Preferably, the upper surface and the lower surface of the liquid collecting plate are fixedly embedded with sealing bearings, and the pipe wall of the rotary pipe is fixedly arranged in the sealing bearings.

Preferably, two adjacent stirring blades are arranged in different lengths.

Preferably, the inside of the liquid tank is stored with polyacrylamide eluent, and the inside of the liquid tank is provided with a pump body connected with one end of the liquid pipe.

Preferably, the liquid inlet hole is arranged in the liquid collecting plate.

Preferably, the support frame adopts a U-shaped frame which is arranged upside down.

Compared with the prior art, the utility model provides leaching equipment for repairing heavy metal contaminated soil, which has the following beneficial effects:

1. this drip washing equipment for heavy metal contaminated soil restoration through the motor, swivelling pipe, rotor plate, (mixing) shaft and the stirring leaf that are equipped with, and the motor work can drive the swivelling pipe and rotate, and the swivelling pipe can make the rotor plate rotate to make (mixing) shaft and stirring leaf together rotate, make the inside soil of drip washing section of thick bamboo stir.

2. This drip washing equipment for heavy metal contaminated soil is prosthetic, through the collector plate that is equipped with, go out liquid hole, liquid case, liquid pipe and feed liquor hole, the inside pump body of liquid incasement portion can be with the polyacrylamide leacheate discharge to the inside of liquid pipe, the rethread liquid pipe is discharged to the inside of collector plate, owing to the pipe wall of swivelling tube is provided with the feed liquor hole, the polyacrylamide leacheate enters into the inside of swivelling plate along the swivelling tube, evenly sprays the surface at soil through the play liquid hole at last for soil obtains quick, abundant restoration.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device adopts a mechanism for stirring and rotary leaching the soil, so that the soil is well turned and leached, and the repair efficiency of the heavy metal contaminated soil is improved.

Drawings

Fig. 1 is a schematic structural diagram of a leaching device for repairing heavy metal contaminated soil according to the present utility model;

FIG. 2 is a bottom view of the rotating plate of FIG. 1;

fig. 3 is a schematic view of the connection of the rotating tube and the collector plate in fig. 1.

In the figure: 1. a shower cylinder; 2. a discharge pipe; 3. a support frame; 4. a motor; 5. a rotating tube; 6. a rotating plate; 7. a stirring shaft; 8. stirring the leaves; 9. a liquid collecting plate; 10. a liquid outlet hole; 11. a liquid tank; 12. a liquid pipe; 13. a liquid inlet hole; 14. sealing the bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1, a leaching device for repairing heavy metal contaminated soil comprises a leaching barrel 1, wherein the top of the leaching barrel 1 is provided with an opening, the bottom of the leaching barrel 1 is provided with a discharge pipe 2, the pipe wall of the discharge pipe 2 is provided with a switch valve, and the heavy metal contaminated soil is poured from the opening at the top of the leaching barrel 1 and discharged through the discharge pipe 2. The fixed support frame 3 that is equipped with in top of the section of thick bamboo that drenches 1, the U type frame that sets up that the support frame 3 adopted the handstand, the fixed motor 4 that is equipped with in top of support frame 3, the fixed rotatory pipe 5 that is equipped with in output of motor 4, the fixed rotor plate 6 that is equipped with in lower extreme of rotatory pipe 5, the fixed (mixing) shaft 7 that is equipped with in lower surface both sides of rotor plate 6, the fixed stirring leaf 8 that is equipped with of the axial wall of stirring shaft 7, two adjacent stirring leaves 8 are length size different settings, the design of here structure can make heavy metal contaminated soil obtain comprehensive stirring.

Example 2

Referring to fig. 1-3, a liquid collecting plate 9 is fixedly arranged on the inner wall of a leaching barrel 1, a hollow structure is adopted for both a rotating plate 6 and the liquid collecting plate 9, a plurality of evenly distributed liquid outlet holes 10 are formed in the lower surface of the rotating plate 6, the pipe wall of a rotating pipe 5 rotates to pass through the inside of the liquid collecting plate 9, a liquid inlet hole 13 is formed in the pipe wall of the rotating pipe 5, the liquid inlet hole 13 is arranged in the liquid collecting plate 9, sealing bearings 14 are fixedly embedded in the upper surface and the lower surface of the liquid collecting plate 9, the pipe wall of the rotating pipe 5 is fixedly arranged in the sealing bearings 14, the sealing bearings 14 can improve the rotation tightness between the rotating pipe 5 and the liquid collecting plate 9, and the phenomenon of overflow of polyacrylamide leaching liquid is avoided; the top of support frame 3 is fixed and is equipped with liquid case 11, and the output of liquid case 11 is fixed and is equipped with liquid pipe 12, and the end and the liquid collecting plate 9 intercommunication of liquid pipe 12 set up, and the inside of liquid case 11 stores the polyacrylamide leacheate, and the inside of liquid case 11 is provided with the pump body of being connected with liquid pipe 12 one end.

In the utility model, when the device is used, a worker firstly pours heavy metal contaminated soil into the interior of the leaching barrel 1, then turns on the motor 4 to work, the motor 4 can drive the rotary pipe 5 to rotate, the rotary pipe 5 can drive the rotary plate 6 to rotate, so that the stirring shaft 7 and the stirring blades 8 rotate together to stir the soil in the leaching barrel 1, meanwhile, the pump body in the liquid tank 11 is turned on to work, the polyacrylamide eluent can be discharged into the liquid pipe 12 and then discharged into the liquid collecting plate 9 through the liquid pipe 12, and as the pipe wall of the rotary pipe 5 is provided with the liquid inlet 13, the polyacrylamide eluent enters into the rotary plate 6 along the rotary pipe 5 and finally is uniformly sprayed on the surface of the soil through the liquid outlet 10, so that the soil is quickly and fully repaired.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The leaching equipment for restoring the heavy metal contaminated soil comprises a leaching barrel (1) and is characterized in that the top of the leaching barrel (1) is provided with an opening, and the bottom of the leaching barrel (1) is provided with a discharge pipe (2);

the washing device is characterized in that a supporting frame (3) is fixedly arranged at the top of the washing barrel (1), a motor (4) is fixedly arranged at the top of the supporting frame (3), a rotary pipe (5) is fixedly arranged at the output end of the motor (4), a rotary plate (6) is fixedly arranged at the lower end of the rotary pipe (5), stirring shafts (7) are fixedly arranged at two sides of the lower surface of the rotary plate (6), and stirring blades (8) are fixedly arranged on the shaft wall of the stirring shafts (7);

the washing barrel is characterized in that a liquid collecting plate (9) is fixedly arranged on the inner wall of the washing barrel (1), the rotating plate (6) and the liquid collecting plate (9) are of hollow structures, a plurality of evenly distributed liquid outlet holes (10) are formed in the lower surface of the rotating plate (6), the pipe wall of the rotating pipe (5) rotates to penetrate through the liquid collecting plate (9), a liquid inlet hole (13) is formed in the pipe wall of the rotating pipe (5), a liquid tank (11) is fixedly arranged at the top of the supporting frame (3), a liquid pipe (12) is fixedly arranged at the output end of the liquid tank (11), and the tail end of the liquid pipe (12) is communicated with the liquid collecting plate (9).

2. The leaching equipment for repairing heavy metal contaminated soil according to claim 1, wherein the sealing bearings (14) are fixedly embedded in the upper surface and the lower surface of the liquid collecting plate (9), and the pipe wall of the rotary pipe (5) is fixedly arranged in the sealing bearings (14).

3. A leaching apparatus for the remediation of heavy metal contaminated soil according to claim 1, wherein two adjacent stirring blades (8) are provided in different lengths.

4. The leaching equipment for repairing heavy metal contaminated soil according to claim 1, wherein polyacrylamide leaching solution is stored in the liquid tank (11), and a pump body connected with one end of a liquid pipe (12) is arranged in the liquid tank (11).

5. A leaching apparatus for the remediation of heavy metal contaminated soil according to claim 1, wherein the liquid inlet (13) is located inside the collector plate (9).

6. The leaching equipment for repairing heavy metal contaminated soil according to claim 1, wherein the supporting frame (3) is a U-shaped frame which is arranged upside down.