CN112191680A

CN112191680A - Polluted land remediation method and equipment

Info

Publication number: CN112191680A
Application number: CN202011105104.0A
Authority: CN
Inventors: 唐秀花
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-01-08

Abstract

The invention relates to the field of soil remediation equipment, in particular to polluted soil remediation treatment and remediation equipment which comprises a device main body, wherein a screening plate is fixedly arranged on the left side of the upper end inside the device main body, a material returning device is movably arranged on the right side of the upper end inside the device main body, a soil remediation box is movably arranged at the lower end inside the device main body, a stirring cylinder is movably arranged inside the soil remediation box, a driving rotating shaft is fixedly arranged at the lower end of the stirring cylinder, a remediation liquid tank is fixedly arranged on the left side outside the device main body, a top block is arranged in an outward-protruding elliptical shape, so that an extrusion block in a cavity can move outwards under the action of the top block to overcome the action force of springs on two sides to crush soil agglomerates and then is pushed outwards to achieve the effect of automatically crushing soil, and a sickle-shaped bent baffle plate is fixedly arranged, the crushed soil can be guided back to the screening plate while the extrusion blocks block the crushed soil.

Description

Polluted land remediation method and equipment

Technical Field

The invention relates to the field of soil remediation equipment, in particular to a method and equipment for remediation and treatment of polluted soil.

Background

The land is invaded by mining or industrial wastes or agricultural chemicals, so that the original physicochemical properties of the soil are deteriorated, the production potential of the land is reduced, the product quality is deteriorated, and the phenomena and processes of human beings, animals and plants are harmed. According to different pollution sources, the pollution can be divided into four types, namely industrial pollution, transportation pollution, agricultural pollution and life pollution, wherein the industrial pollution is mainly pollution of the environment such as atmosphere, water body, soil and the like caused by waste residues, waste water and waste gas discharged by industry.

The existing soil remediation equipment cannot be broken immediately after screening out the caked soil and then is led back, subsequent centralized treatment is needed, the soil remediation process is added, and the existing soil cannot be stirred in multiple directions during remediation, so that the remediation speed of the soil is reduced.

Disclosure of Invention

The device can immediately crush the screened agglomerated soil and then lead the crushed soil back, thereby reducing the working procedures of soil remediation, and simultaneously can stir the soil in multiple directions to improve the remediation speed of the soil.

Polluted land remediation method

Firstly, screening polluted soil entering the interior of a device main body by using a screening plate to remove the inside caked soil;

secondly, mixing the polluted soil with a soil remediation agent by using a mixing drum in a soil remediation box;

thirdly, stirring the mixture of the polluted soil and the soil repairing agent by using a stirring rod;

and fourthly, repeatedly pressing the repaired soil by using a pressing device.

Preferably, in the first step, the agglomerated soil can be collected and crushed by the material returning device and then returned to the sieving plate.

Preferably, in the third step, the stirring rod can rotate in the opposite direction to the stirring cylinder.

The utility model provides a pollute soil remediation and treatment repair equipment, includes the device main part, the inside upper end left side fixed mounting of device main part has the screening board, the inside upper end right side movable mounting of device main part has the feed back device, the inside lower extreme movable mounting of device main part has the soil to restore the case, the inside movable mounting of soil restoration case has the churn, churn lower extreme fixed mounting has the drive pivot, the outside left side fixed mounting of device main part has the restoration fluid reservoir.

Preferably, the screening plate is arranged in a manner that the right side of the screening plate is inclined downwards, the upper end of the soil remediation box is arranged in a funnel shape, and the lower part of the upper end of the soil remediation box extends into the stirring cylinder.

Preferably, the lower end of the driving rotating shaft is fixedly provided with a motor, and the lower end of the upper end of the soil remediation box, which extends into a part of the mixing drum, is fixedly provided with a mixing rod.

Preferably, a driving gear is fixedly mounted on the outer side of the lower end of the driving rotating shaft, transmission gears are movably mounted on two sides of the lower end of the device main body relative to the driving gear, and a gear ring is fixedly mounted at the lower end of the soil remediation box.

As preferred, the cavity has been seted up in the feed back device outside, the inside movable mounting of cavity has the extrusion piece, the inside middle-end fixed mounting of feed back device has the kicking block, the kicking block is the ellipse circular setting of one side evagination, the inside relative feed back device's of upper end left side fixed mounting of device main part has the baffle that the sickle-shaped is buckled and is set up.

Preferably, the lower end of the inside of the soil remediation box is movably provided with a pressing device, the middle end of the pressing device is in meshed connection with the spline outside the driving rotating shaft, the lower end of the inside of the soil remediation box is provided with a track groove in a wavy manner, the outer side of the pressing device is provided with a fixture block embedded in the track groove, and the inner side of the mixing drum is in a circular truncated cone shape with the upper end inclined outwards.

Preferably, the pressing device is internally and fixedly provided with a pressing plate, the pressing plate is arranged in a triangular plate shape, the lower end of the soil remediation box is fixedly provided with a filter screen, the lower end of the right side of the soil remediation box is fixedly provided with a discharging channel, and the inner side of the discharging channel is fixedly provided with a discharging plate.

Compared with the prior art, the invention has the following beneficial effects:

1. the sieving plate is obliquely arranged with the right side facing downwards, the upper end of the soil remediation box is arranged in a funnel-shaped manner, the lower part of the upper end of the soil remediation box extends into the mixing drum, polluted soil enters the inside of the device body, then the soil can fall downwards while moving rightwards through the sieving plate and enter the mixing drum through the soil remediation box to be remedied, a cavity is formed in the outer side of the material returning device, an extrusion block is movably arranged in the cavity, a top block is fixedly arranged at the middle end in the material returning device, so that the soil agglomerates blocked by the sieving plate can enter the cavity and then move upwards along with the rotation of the material returning device, the top block is arranged in an oval shape with one side protruding outwards, the extrusion block in the cavity can overcome the action force of springs at two sides to move outwards under the action of the top block to crush the soil agglomerates, and then the extrusion block is pushed outwards to achieve the effect of automatically crushing the soil, through the inside relative feed back device's of upper end left side fixed mounting of device main part baffle that the sickle-shaped was buckled and is set up for can block in the extrusion piece is to soil crushing, can lead back the soil that the crushing was accomplished on the screening board.

2. The soil remediation liquid can be guided into the mixing drum to be mixed with the contaminated soil by fixedly installing the liquid outlet device extending to the upper end of the soil remediation tank at the upper end of the remediation liquid tank, and then the contaminated soil can be driven by the motor to rotate by fixedly installing the motor at the lower end of the driving rotating shaft, and part of the upper end of the soil remediation tank extending into the mixing drum is fixedly installed with the mixing rod at the lower end, so that the internal soil can be improved in mixing effect with the remediation liquid under the action of the mixing rod, wherein the driving gear is fixedly installed at the outer side of the lower end of the driving rotating shaft, the transmission gears are movably installed at the lower end of the device main body relative to the two sides of the driving gear, and the gear ring is fixedly installed at the lower end of the soil remediation tank, so that the driving gear and the gear ring can be respectively occluded at the upper side and the lower side of the transmission gear, so that the soil remediation, thereby improving the restoring speed of the polluted soil.

3. Have press device through soil restoration incasement portion lower extreme movable mounting, press device middle-end and drive pivot outside spline interlock are connected, the track groove that wavy setting was seted up to soil restoration incasement side lower extreme, the press device outside is provided with the fixture block of gomphosis in track inslot portion, then can utilize earlier the round platform form setting that the churn inboard leaned out for the upper end after polluting soil restoration completion, make to let inside soil after increasing the churn rotational speed move up and drop at soil restoration bottom of the case portion afterwards under the effect of centrifugal force, later drive press device through the drive pivot and rotate along the orbit in track groove, make press device can carry out the repeated reciprocating and extrude soil, thereby extrude its inside repairing liquid, reduce the volume of remaining of repairing liquid in the soil.

4. Through the inside fixed mounting of press device, there is the press plate according to the press plate, according to the setting of three-angle plate shape, soil remediation case lower extreme fixed mounting has the filter screen, and soil remediation case right side lower extreme fixed mounting has the ejection of compact way, and the inboard fixed mounting of ejection of compact way has a flitch, when making can not block soil and drop downwards according to the press plate, can guarantee the efficiency of pressing down to soil, make unnecessary restoration liquid can pass the filter screen and move down, wherein utilize the flitch to set up for the slope, then let the soil after the extrusion can remove the ejection of compact way and outwards discharge at last along the inclined plane of ejection of compact board.

Drawings

FIG. 1 is a front view of the main body of the apparatus of the present invention;

FIG. 2 is a perspective view of the interior of the body of the device of the present invention;

FIG. 3 is an internal perspective view of the feed back device of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 5 is a perspective view of the stir bar of the present invention;

FIG. 6 is a perspective view of the pressing device of the present invention;

FIG. 7 is a perspective sectional view of the lower end of the soil remediation tank of the present invention.

In FIGS. 1-7: 1-a device main body, 2-a repair liquid tank, 3-a screening plate, 4-a material returning device, 5-a baffle, 6-a soil repair box, 7-a stirring cylinder, 8-a stirring rod, 9-a discharging channel, 10-a track groove, 11-a pressing device, 12-a filter screen, 13-a driving rotating shaft, 14-a discharging plate, 15-a top block, 16-a cavity, 17-an extrusion block, 18-a gear ring, 19-a driving gear, 20-a transmission gear and 21-a pressing plate.

Detailed Description

Referring to fig. 1 to 7, a method for remedying and restoring contaminated land and an apparatus thereof are schematically illustrated in a planar structure and a three-dimensional structure.

Polluted land remediation method

Firstly, screening polluted soil entering the interior of the device main body 1 by using the screening plate 3 to remove the soil agglomerated inside, and avoiding the condition that the interior of the agglomerated soil cannot be contacted with a repairing liquid;

secondly, mixing the polluted soil with a soil remediation agent by using a stirring cylinder 7 in the soil remediation box 3 to ensure that the soil is contacted with remediation liquid;

thirdly, stirring the mixture of the polluted soil and the soil remediation agent by using the stirring rod 8, so as to improve the contact efficiency of the soil and the remediation liquid;

and fourthly, repeatedly pressing the soil after the repairing by using the pressing device 11, and reducing the residual quantity of the internal repairing liquid after the soil is repaired.

In the concrete implementation, in the first step, the agglomerated soil can be recycled on the screening plate 3 after being taken in and crushed by the recycling device 4, so that the agglomerated soil can be immediately crushed and recycled, and the soil remediation process is reduced.

In the concrete implementation, in the third step, the stirring rod 8 and the stirring cylinder 7 can rotate in the opposite direction, so that the contact efficiency of the soil and the remediation liquid is further improved.

The utility model provides a pollute soil improvement and treatment repair equipment, includes device

main part

1, and 1 inside upper end left side fixed mounting of device main part has

screening board

3, and 1 inside upper end right side movable mounting of device main part has feed

back device

4, and 1 inside lower extreme movable mounting of device main part has soil to restore

case

6, and 6 inside movable mounting of soil to restore case has churn 7, and 6 lower extreme fixed mounting of churn have drive

pivot

13, and 1 outside left side fixed mounting of device main part has restoration fluid reservoir 2.

In concrete implementation, screening board 3 sets up for the decurrent slope in right side, and soil remediation case 6 upper end is for leaking hopper-shaped setting, and inside upper end lower part extended into churn 7, then pollute soil entering device main part 1 inside back, can utilize screening board 3 to make soil drop downwards when moving right and prepare to restore in getting into churn 7 in through soil remediation case 6.

In the specific implementation, a motor is fixedly arranged at the lower end of the driving rotating shaft 13, a stirring rod 8 is fixedly arranged at the lower end of a part of the upper end of the soil remediation tank 6 extending into the stirring cylinder 7, so that the motor can drive the stirring cylinder 7 to rotate, and the internal soil can be mixed with the remediation liquid under the action of the stirring rod 8.

In specific implementation, a driving gear 19 is fixedly installed on the outer side of the lower end of the driving rotating shaft 13, transmission gears 20 are movably installed on two sides of the lower end of the device main body 1, which are opposite to the driving gear 19, and a gear ring 18 is fixedly installed on the lower end of the soil remediation box 6, so that the driving gear 19 and the gear ring 18 can be respectively meshed with the upper side and the lower side of the transmission gears 20, when the driving rotating shaft 13 drives the stirring drum 7 to rotate, the soil remediation box 6 and the stirring rod 8 therein can be driven to rotate in opposite directions under the action of the transmission gears 20, and the remediation speed of the polluted soil is improved.

In the specific implementation, a cavity 16 is arranged at the outer side of the feeding back device 4, an extrusion block 17 is movably arranged in the cavity 16, an ejector block 15 is fixedly arranged at the middle end in the feeding back device 4, the ejector block 15 is in an elliptic shape with one convex side, a baffle 5 in a sickle-shaped bending shape is fixedly arranged at the upper end in the device main body 1 corresponding to the left side of the feeding back device 4, so that when the soil lumps blocked by the screening plates come into contact with the feed back device 4, they can enter the chamber 16 and then move upwards with the rotation of the feed back device 4, wherein, the top block 15 is utilized to enable the extrusion block 17 in the cavity 16 to overcome the acting force of the springs at two sides to move outwards under the action of the top block to crush the soil agglomerates and then push outwards to achieve the effect of automatically crushing the soil, by using the shape of the baffle 5, it is possible to guide the crushed soil back to the sieving plate 3 while the press blocks 17 stop the crushing of the soil.

In the concrete implementation, 6 inside lower extreme movable mounting of soil remediation case has press device 11, press device 11 middle-end and 13 outside splines interlock connections of drive pivot, the track groove 10 that wavy setting was seted up to 6 inboard lower extremes of soil remediation case, the press device 11 outside is provided with the fixture block of gomphosis in track groove 10 inside, 7 inboard round platform form settings that lean out for the upper end of churn, make and let inside soil after 7 rotational speeds of churn increase and fall in 6 bottoms of soil remediation case under the effect of centrifugal force rebound afterwards, later drive press device 11 through drive pivot 13 and rotate along the orbit in track groove 10, make press device 11 can carry out the repeated reciprocating and extrude soil, thereby extrude its inside repairing liquid, reduce the volume of remaining of repairing liquid in the soil.

In concrete implementation, press device 10 inside fixed mounting has press plate 21, press plate 21 is the triangle plate-like setting, 6 lower extreme fixed mounting of soil remediation case has

filter screen

12, 6 right side lower extreme fixed mounting of soil remediation case has ejection of

compact way

9, 9 inboard fixed mounting of ejection of compact way has ejection of compact board 14, when making press plate 21 can not block soil and drop downwards, can guarantee the efficiency of pressing to soil, make unnecessary restoration liquid can pass filter screen 12 and remove downwards, wherein utilize ejection of compact board 14 to set up for the slope, then let the soil after the extrusion can remove ejection of compact way 9 along ejection of compact board 14's inclined plane and outwards discharge at last.

The working principle of the method and the equipment for remedying and restoring the polluted land is as follows.

At first, the soil to be repaired is poured into the device main body 1, the soil is obliquely arranged downwards on the right side through the screening plate 3, the upper end of the soil repairing box 6 is arranged in a funnel-shaped mode, the lower portion of the upper end of the soil is extended into the stirring cylinder 7, polluted soil enters the device main body 1 and then can be prepared to be repaired by enabling the screening plate 3 to enable the soil to move rightwards and drop downwards through the stirring cylinder 7 in the soil repairing box 6 to enable the soil to fall through the stirring cylinder 7 while the soil is moved rightwards, a cavity 16 is formed in the outer side of the material returning device 4, an extrusion block 17 is movably arranged in the cavity 16, a top block 15 is fixedly arranged at the middle end of the interior of the material returning device 4, soil agglomerates blocked by the screening plate 3 can enter the cavity 16 and then move upwards along with the rotation of the material returning device 4 after the soil agglomerates are contacted with the material returning device 4, the top block 15 is arranged in an oval shape with one side protruding outwards, and the extrusion block 17 in Crushing, then outwards pushing to achieve the effect of automatically crushing soil, a baffle 5 with a sickle-shaped bending arrangement is fixedly arranged on the left side of the upper end inside the device main body 1 relative to the return device 4, so that the crushed soil can be guided back to the sieving plate 3 while the extrusion block 17 stops the crushing of the soil, then a liquid outlet device extending to the upper end of the soil repairing box 6 is fixedly arranged on the upper end of the repairing liquid tank 2, so that the soil repairing liquid can be guided into the stirring cylinder 7 to be mixed with the polluted soil, a motor is fixedly arranged at the lower end of the driving rotating shaft 13, a stirring rod 8 is fixedly arranged at the lower end of one part of the upper end of the soil repairing box 6 extending into the stirring cylinder 7, so that the motor can drive the stirring cylinder 7 to rotate, the internal soil can improve the mixing effect with the repairing liquid under the action of the stirring rod 8, wherein a driving gear 19 is fixedly arranged at the outer side of the lower, the lower end inside the device main body 1 is movably provided with a transmission gear 20 opposite to two sides of a driving gear 19, the lower end of the soil remediation box 6 is fixedly provided with a gear ring 18, the driving gear 19 and the gear ring 18 can be respectively occluded on the upper side and the lower side of the transmission gear 20, so that when the driving rotating shaft 13 drives the stirring cylinder 7 to rotate, the soil remediation box 6 and the stirring rod 8 therein can be driven to rotate in opposite directions under the action of the transmission gear 20, the remediation speed of the polluted soil is improved, then a pressing device 11 is movably arranged at the lower end inside the soil remediation box 6, the middle end of the pressing device 11 is occluded and connected with a spline outside the driving rotating shaft 13, the lower end inside the soil remediation box 6 is provided with a wavy track groove 10, the outer side of the pressing device 11 is provided with a fixture block which is embedded inside the track groove 10, and after the remediation of the polluted soil can be firstly arranged in a, the rotating speed of the mixing drum 7 is increased, the internal soil moves upwards under the action of centrifugal force and then falls on the bottom of the soil remediation box 6, then the pressing device 11 is driven by the driving rotating shaft 13 to rotate along the track of the track groove 10, the pressing device 11 can repeatedly move upwards and downwards to extrude the soil, so that the internal remediation liquid is extruded out, the residual amount of the remediation liquid in the soil is reduced, then the pressing plate 21 is fixedly installed in the pressing device 10, the pressing plate 21 is arranged in a triangular plate shape, the lower end of the soil remediation box 6 is fixedly provided with the filter screen 12, the lower end of the right side of the soil remediation box 6 is fixedly provided with the discharging channel 9, the discharging plate 14 is fixedly installed on the inner side of the discharging channel 9, the pressing efficiency of the soil can be ensured while the pressing plate 21 cannot block the soil from falling downwards, and the redundant remediation liquid can pass through the filter, wherein, the discharging plate 14 is arranged obliquely, so that the extruded soil can move to the discharging channel 9 along the inclined surface of the discharging plate 14 and finally be discharged outwards.

Claims

1. A method for remedying and restoring polluted land comprises the following steps:

firstly, screening polluted soil entering the device main body (1) by using a screening plate (3) to remove the inside caked soil;

secondly, mixing the polluted soil with a soil remediation agent by using a stirring cylinder (7) in the soil remediation box (3);

thirdly, stirring the mixture of the polluted soil and the soil repairing agent by using a stirring rod (8);

and fourthly, repeatedly pressing the repaired soil by using a pressing device (11).

2. The method for remediating and remediating the polluted land as recited in claim 1, wherein the method comprises the following steps: in the first step, the agglomerated soil can be collected and crushed through the material returning device (4) and then returned to the screening plate (3).

3. The method for remediating and remediating the polluted land as recited in claim 1, wherein the method comprises the following steps: in the third step, the stirring rod (8) can rotate in the direction opposite to that of the stirring cylinder (7).

4. The utility model provides a pollute soil improvement administers repair equipment, includes device main part (1), its characterized in that: the device is characterized in that a screening plate (3) is fixedly mounted on the left side of the inner upper end of a device main body (1), a material returning device (4) is movably mounted on the right side of the inner upper end of the device main body (1), a soil repairing box (6) is movably mounted on the lower end of the device main body (1), a stirring drum (7) is movably mounted inside the soil repairing box (6), a driving rotating shaft (13) is fixedly mounted at the lower end of the stirring drum (6), and a repairing liquid tank (2) is fixedly mounted on the left side of the outer portion of the device main body (1.

5. A contaminated land reclamation remediation apparatus as claimed in claim 4 wherein: screening board (3) are the decurrent slope setting in right side, soil remediation case (6) upper end is for leaking hopper-shaped setting, and inside upper end lower part extended into churn (7).

6. A contaminated land reclamation remediation apparatus as claimed in claim 4 wherein: the lower extreme fixed mounting of drive pivot (13) has the motor, soil remediation case (6) upper end extends into in churn (7) partly lower extreme fixed mounting have puddler (8).

7. A contaminated land reclamation remediation apparatus as claimed in claim 4 wherein: the soil remediation device is characterized in that a driving gear (19) is fixedly mounted on the outer side of the lower end of the driving rotating shaft (13), transmission gears (20) are movably mounted on two sides of the lower end of the device main body (1) relative to the driving gear (19), and a gear ring (18) is fixedly mounted at the lower end of the soil remediation box (6).

8. A contaminated land reclamation remediation apparatus as claimed in claim 4 wherein: cavity (16) have been seted up in feed back device (4) outside, cavity (16) inside movable mounting has extrusion piece (17), feed back device (4) inside middle-end fixed mounting has kicking block (15), kicking block (15) are the ellipse circular setting of one side evagination, the relative feed back device (4) in the inside upper end of device main part (1) left side fixed mounting has baffle (5) that the sickle shape was buckled and is set up.

9. A contaminated land reclamation remediation apparatus as claimed in claim 4 wherein: soil is restoreed the inside lower extreme movable mounting of case (6) and is had press device (11), press device (11) middle-end is connected with drive pivot (13) outside spline interlock, wavy track groove (10) that set up are seted up to soil is restoreed case (6) inboard lower extreme, press device (11) outside is provided with the fixture block of gomphosis in track groove (10) inside, churn (7) inboard is the setting of the round platform form that leans out in the upper end.

10. A contaminated land reclamation remediation apparatus as claimed in claim 9 wherein: the inside fixed mounting of press device (10) has according to clamp plate (21), press clamp plate (21) to set up for the triangle plate-like, soil remediation case (6) lower extreme fixed mounting has filter screen (12), soil remediation case (6) right side lower extreme fixed mounting has ejection of compact way (9), ejection of compact way (9) inboard fixed mounting has ejection of compact board (14).