CN113617821B

CN113617821B - Soil heavy metal pollution restores integration equipment

Info

Publication number: CN113617821B
Application number: CN202110958407.5A
Authority: CN
Inventors: 赵小娟; 叶云; 洪鹏港; 许梓炜; 丁洁璇
Original assignee: Guangdong Industry Technical College
Current assignee: Guangdong Industry Technical College
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-07-08
Anticipated expiration: 2041-08-20
Also published as: CN113617821A

Abstract

The invention discloses a soil heavy metal pollution remediation integrated device, which relates to the technical field of soil remediation, and aims to solve the problem of poor remediation effect of the existing soil heavy metal, the invention provides a scheme that the soil heavy metal pollution remediation integrated device comprises a remediation box, wherein the bottom of the inner side of the remediation box is fixedly connected with a liquid spraying mechanism, the outer side of the remediation box is fixedly connected with a liquid feeding mechanism connected with the liquid spraying mechanism, the upper end of the remediation box is fixedly connected with a feed hopper, the upper top surface of the inner side of the remediation box is fixedly connected with a fixed rod, the lower end of the fixed rod is movably connected with a rotating rod, one end of the rotating rod is connected with a swinging mechanism, the other end of the rotating rod is movably connected with a knocking rod, the inner side of the remediation box is fixedly connected with a first filter screen and a second filter screen, the soil heavy metal pollution remediation integrated device has a simple structure, can be uniformly mixed with chemical solution, and reduce heavy metal pollution, the soil heavy metal remediation effect is better, the operation is simple, and the use is convenient.

Description

Soil heavy metal pollution restores integration equipment

Technical Field

The invention relates to the technical field of soil remediation, in particular to soil heavy metal pollution remediation integrated equipment.

Background

With the rapid development of industrialization, urbanization and agricultural intensification and the continuous increase of economy, the strength of resource development and utilization is increased day by day, so that soil resources are polluted and damaged, the biological diversity of the soil ecosystem and the safety of a food chain in China are seriously influenced, particularly, the heavy metal pollutants of the soil exist in soluble and insoluble particles, such as mercury, chromium, copper, zinc, lead, nickel, arsenic and the like, which can be absorbed by plants to obtain enrichment, and the safety of the food chain is influenced.

The existing soil heavy metal pollution remediation technology generally uses chemical leaching, wherein the chemical leaching refers to the steps of digging out polluted soil, cleaning the soil with water or a medicament solution, removing pollutants, then treating cleaning wastewater or waste liquid containing the pollutants, backfilling clean soil or transporting the clean soil to other places for recycling, but the existing chemical leaching is manually sprayed into the soil by manpower and then is stirred, so that the soil and the chemical solution are mixed, the solution and the soil are easily mixed unevenly, the heavy metal removal efficiency is reduced, and therefore, the soil heavy metal pollution remediation integrated equipment is needed at present.

Disclosure of Invention

The soil heavy metal pollution restoration integrated equipment provided by the invention solves the problem of poor soil heavy metal restoration effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

the soil heavy metal pollution remediation integrated equipment comprises a remediation box, wherein the inner bottom of the remediation box is fixedly connected with a liquid spraying mechanism, the outer side of the remediation box is fixedly connected with a liquid feeding mechanism connected with the liquid spraying mechanism, the upper end of the remediation box is fixedly connected with a feed hopper, the inner upper top surface of the remediation box is fixedly connected with a fixed rod, the lower end of the fixed rod is movably connected with a rotating rod, one end of the rotating rod is connected with a swing mechanism, the other end of the rotating rod is movably connected with a rapping rod, the inner side of the remediation box is fixedly connected with a first filter screen and a second filter screen, the first filter screen is positioned below the second filter screen, a threaded rod is fixedly connected between the first filter screen and the second filter screen, the second filter screen is matched with the rapping rod, the rotating rod is movably connected with a pull rod, and the lower end of the pull rod is rotatably connected with a clamping mechanism positioned between the first filter screen and the second filter screen, clamping mechanism's outside swing joint has the thread bush that cup joints with the threaded rod screw thread, the outside fixedly connected with of thread bush a plurality of rotary rods that are located first filter screen top, the both sides fixedly connected with of restoreing the case is located the weeding mechanism between first filter screen and the second filter screen.

Preferably, the liquid spraying mechanism comprises a support fixedly connected with the bottom surface of the inner side of the repair box, an inner ring annular pipe is fixedly connected to the upper end of the support, a reinforcing rib and a communicating pipe are fixedly connected to the outer side of the inner ring annular pipe, an outer ring annular pipe is fixedly connected to one end of the reinforcing rib and one end of the communicating pipe together, two ends of the communicating pipe are respectively communicated with the inner ring annular pipe and the outer ring annular pipe, and a plurality of nozzles are fixedly connected to the inner ring annular pipe and the outer ring annular pipe.

Preferably, the feed liquor mechanism include with restore case outside fixed connection's solution tank, one side fixedly connected with constant delivery pump of solution tank, the output and the outer lane ring pipe fixed connection of constant delivery pump.

Preferably, swing mechanism include with restore case outside fixed connection's driving motor, driving motor's output fixedly connected with is located restores the inside rolling disc of case, one side fixedly connected with nose bar of rolling disc, it has cup jointed the swinging arms to rotate on the nose bar, the lower extreme swing joint of swinging arms has rotates the position sleeve who cup joints with the dwang.

Preferably, the clamping mechanism comprises an annular groove formed in the upper side of the threaded sleeve, and the lower end of the pull rod is rotatably connected with a clamping block in sliding connection with the inner side of the annular groove.

Preferably, weeding mechanism include with repair case lateral wall fixed connection's weeds case, the through-hole with repair case intercommunication is seted up to the upside of weeds case, the lateral wall fixedly connected with of repairing the case is located the pneumatic cylinder of weeds case top, the output fixedly connected with of pneumatic cylinder and first filter screen upper surface sliding connection scrape the pole, the inside wall fixedly connected with of repairing the case with scrape pole complex except that the grass board, be provided with a plurality of weeding grooves on removing the grass board.

Preferably, the upper end of the knocking rod is rotatably connected with a plugging plate matched with the feed hopper, one side of the bottom of the repairing box is fixedly connected with a discharge pipe, and the bottom of the repairing box is fixedly connected with an inclined plate matched with the discharge pipe.

Preferably, one side of the repair box is fixedly connected with a sealing door matched with the second filter screen, and the meshes of the first filter screen are smaller than those of the second filter screen.

The invention has the beneficial effects that:

1. soil is poured into the feeding hopper, then the driving motor drives the rotating disc to rotate, and further the convex rod on one side of the rotating disc is rotated to drive the swinging rod to swing, and further the rotating rod on the lower end of the swinging rod swings up and down, so that the knocking rod on the other end of the rotating rod swings up and down to drive the plugging plate to swing, so that the soil in the feeding hopper can continuously enter the repairing box, and when the knocking rod moves down, the second filter screen is knocked, so that the soil on the second filter screen uniformly falls onto the first filter screen, meanwhile, the rotating rod drives the pull rod to move up and down, the threaded sleeve is pulled to rotate and move up on the threaded rod, and further the rotating rod outside the threaded sleeve rotates, so that the soil on the first filter screen is stirred again, the soil falls down through the first filter screen, and then chemical solution in the solution box is pumped to the outer ring pipe through the quantitative pump, then enter into inner circle annular pipe the inside through communicating pipe, finally spout through shower nozzle above outer lane annular pipe and the inner circle annular pipe for the spun liquid contacts with the soil that first filter screen dropped down, makes soil and chemical solution mix more evenly, improves heavy metal repair effect, accelerates repair efficiency.

2. Through removing the grass board, can make the weeds of first filter screen upside soil the inside adsorb on it, it is specific to rotate on the threaded rod through the thread bush, make the rotary rod move up simultaneously rotating, when a rotary rod passes through the weeding groove, another rotary rod passes through another weeding groove, just can make weeds above the rotary rod adhere to weeding on the board, pneumatic cylinder drives the scraper bar and removes this moment, make the scraper bar scrape weeds above the weeding board to weeds incasement, then the scraper blade resumes to restoreing on the case lateral wall, then when the rotary rod rotates 180 degrees, make two rotary rods pass through last weeding groove, can be once more with weeds adhere to weeding on the board, detach again through the scraper blade, just can be continuous detach weeds, prevent that weeds from blockking up the mesh of first filter screen.

Drawings

FIG. 1 is a schematic sectional view of a main view of an integrated device for remediating heavy metal contaminated soil according to the present invention;

FIG. 2 is a schematic cross-sectional top view of the soil heavy metal pollution remediation integrated apparatus provided by the invention;

FIG. 3 is a partial schematic view of an integrated device for remediating heavy metal contaminated soil according to the present invention;

FIG. 4 is an enlarged schematic view of a soil heavy metal pollution remediation integrated device at the position A;

FIG. 5 is an enlarged schematic view of a soil heavy metal pollution remediation integrated device at the position B;

FIG. 6 is an enlarged schematic view of a soil heavy metal pollution remediation integrated device at the position C provided by the invention;

FIG. 7 is an enlarged schematic view of the soil heavy metal pollution remediation integrated device at position D.

Reference numbers in the figures: 1. repairing the box; 2. a first filter screen; 3. an inner annular tube; 4. a communicating pipe; 5. an outer ring-shaped pipe; 6. a spray head; 7. rotating the rod; 8. a pull rod; 9. a knock rod; 10. a feed hopper; 11. a plugging plate; 12. a second filter screen; 13. rotating the rod; 14. a drive motor; 15. a pneumatic cylinder; 16. a weed box; 17. a constant delivery pump; 18. a solution tank; 19. a weeding plate; 20. a threaded rod; 21. a threaded sleeve; 22. reinforcing ribs; 23. a clamping block; 24. a fixing rod; 25. rotating the disc; 26. a nose bar; 27. a swing lever; 28. a positioning sleeve; 29. a weeding groove; 30. a scraping rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, an integrated apparatus for repairing heavy metal pollution in soil comprises a repairing box 1, a liquid spraying mechanism is fixedly connected to the bottom of the inner side of the repairing box 1, a liquid feeding mechanism connected with the liquid spraying mechanism is fixedly connected to the outer side of the repairing box 1, a feed hopper 10 is fixedly connected to the upper end of the repairing box 1, a fixing rod 24 is fixedly connected to the upper top surface of the inner side of the repairing box 1, the lower end of the fixing rod 24 is movably connected with a rotating rod 13, one end of the rotating rod 13 is connected with a swinging mechanism, the other end of the rotating rod 13 is movably connected with a knocking rod 9, a first filter screen 2 and a second filter screen 12 are fixedly connected to the inner side of the repairing box 1, the first filter screen 2 is positioned below the second filter screen 12, a threaded rod 20 is fixedly connected between the first filter screen 2 and the second filter screen 12, the second filter screen 12 is matched with the knocking rod 9, and a pull rod 8 is movably connected to the rotating rod 13, the lower end of the pull rod 8 is rotatably connected with a clamping mechanism positioned between the first filter screen 2 and the second filter screen 12, the outer side of the clamping mechanism is movably connected with a threaded sleeve 21 in threaded sleeve connection with the threaded rod 20, the outer side of the threaded sleeve 21 is fixedly connected with a plurality of rotary rods 7 positioned above the first filter screen 2, two sides of the repairing box 1 are fixedly connected with weeding mechanisms positioned between the first filter screen 2 and the second filter screen 12, soil is poured into the feeding hopper 10, then the driving motor 14 drives the rotary disc 25 to rotate, and further the convex rod 26 on one side of the rotary disc 25 rotates to drive the swing rod 27 to swing, and further the rotary rod 13 at the lower end of the swing rod 27 swings up and down, so that the knocking rod 9 at the other end of the rotary rod 13 swings up and down to drive the plugging plate 11 to swing, and the soil in the feeding hopper 10 can continuously enter the repairing box 1, when the beating rod 9 moves downwards, the second filter screen 12 is beaten, soil on the second filter screen 12 uniformly falls onto the first filter screen 2, meanwhile, the rotating rod 13 drives the pull rod 8 to move upwards and downwards, the threaded sleeve 21 is pulled to rotate and move upwards on the threaded rod 20, then the rotating rod 7 outside the threaded sleeve 21 rotates, soil on the first filter screen 2 is stirred again, the soil falls down through the first filter screen 2, then chemical solution in the solution tank 18 is pumped into the outer ring annular pipe 5 through the dosing pump 17, then the chemical solution enters the inner ring annular pipe 3 through the communicating pipe 4, finally the chemical solution is sprayed out through the spray heads on the outer ring annular pipe 5 and the inner ring annular pipe 3, sprayed liquid is in contact with the soil falling off from the first filter screen 2, the soil and the chemical solution are mixed more uniformly, and the heavy metal restoration effect is improved, the repairing efficiency is accelerated, the weeds in the soil on the upper side of the first filter screen 2 can be adsorbed on the weed removing plate 19, particularly, the rotating rod 7 can rotate on the threaded rod 20 through the threaded sleeve 21, so that the rotating rod 7 moves upwards while rotating, when one rotating rod 7 passes through the weeding groove 29, the other rotating rod 7 passes through the other weeding groove 29, so that the weeds on the rotating rod 7 can be adhered to the weed removing plate 19, at the moment, the pneumatic cylinder 15 drives the scraping rod 30 to move, the scraping rod 30 scrapes the weeds on the weed removing plate 19 into the weed box 16, then the scraper 30 is restored to the side wall of the repairing box 1, then when the rotating rod 7 rotates 180 degrees, the two rotating rods 7 pass through the last weeding groove 29, so that the weeds can be adhered to the weed removing plate 19 again, the weeds can be removed again through the scraper 30, and the weeds can be removed continuously, preventing weeds from blocking the meshes of the first filter screen 2.

The liquid spraying mechanism comprises a support fixedly connected with the bottom surface of the inner side of the repairing box 1, an inner ring annular pipe 3 is fixedly connected to the upper end of the support, a reinforcing rib 22 and a communicating pipe 4 are fixedly connected to the outer side of the inner ring annular pipe 3, the reinforcing rib 22 and one end of the communicating pipe 4 are fixedly connected with an outer ring annular pipe 5, two ends of the communicating pipe 4 are communicated with the inner ring annular pipe 3 and the outer ring annular pipe 5 respectively, and a plurality of spray heads 6 are fixedly connected to the inner ring annular pipe 3 and the outer ring annular pipe 5 respectively.

The liquid inlet mechanism comprises a solution tank 18 fixedly connected with the outer side of the repair tank 1, a dosing pump 17 is fixedly connected to one side of the solution tank 18, and the output end of the dosing pump 17 is fixedly connected with the outer ring annular pipe 5.

Swing mechanism include with repair case 1 outside fixed connection's driving motor 14, driving motor 14's output end fixedly connected with is located the inside rolling disc 25 of repair case 1, one side fixedly connected with nose bar 26 of rolling disc 25, rotates on the nose bar 26 and has cup jointed swinging arms 27, and the lower extreme swing joint of swinging arms 27 has the position sleeve 28 that cup joints with dwang 13 rotation.

The clamping mechanism comprises an annular groove formed in the upper side of the threaded sleeve 21, and the lower end of the pull rod 8 is rotatably connected with a clamping block 23 in sliding connection with the inner side of the annular groove.

Weeding mechanism include with 1 lateral wall fixed connection's of restoration case weeds case 16, the through-hole with 1 intercommunication of restoration case is seted up to the upside of weeds case 16, the lateral wall fixedly connected with of restoration case 1 is located the pneumatic cylinder 15 of the 16 tops of weeds case, the output fixedly connected with of pneumatic cylinder 15 and the pole 30 of scraping of first filter screen 2 upper surface sliding connection, the inside wall fixedly connected with of restoration case 1 and the pole 30 complex of scraping weed board 19, be provided with a plurality of weeding grooves 29 on the board 19 that weeds.

The upper end of the knocking rod 9 is rotatably connected with a plugging plate 11 matched with the feed hopper 10, one side of the bottom of the repairing box 1 is fixedly connected with a discharge pipe, and the bottom of the repairing box 1 is fixedly connected with an inclined plate matched with the discharge pipe.

One side of the repair box 1 is fixedly connected with a sealing door matched with the second filter screen 12, and the meshes of the first filter screen 2 are smaller than those of the second filter screen 12, so that the filtration can be carried out in stages.

The working principle is as follows: soil is poured into the feeding hopper 10, then the driving motor 14 drives the rotating disc 25 to rotate, and further the convex rod 26 on one side of the rotating disc 25 rotates to drive the swinging rod 27 to swing, and further the rotating rod 13 at the lower end of the swinging rod 27 swings up and down, so that the knocking rod 9 at the other end of the rotating rod 13 swings up and down to drive the plugging plate 11 to swing, soil in the feeding hopper 10 can continuously enter the repairing box 1, and when the knocking rod 9 moves down, the second filter screen 12 is knocked, soil on the second filter screen 12 uniformly falls onto the first filter screen 2, meanwhile, the rotating rod 13 drives the pull rod 8 to move up and down, the threaded sleeve 21 is pulled to rotate and move up on the threaded rod 20, and further the rotating rod 7 outside the threaded sleeve 21 rotates, so that soil on the first filter screen 2 is stirred again, soil drops down through the first filter screen 2, then chemical solution in the solution tank 18 is pumped to the outer ring annular pipe 5 through the dosing pump 17, then enters the inner ring annular pipe 3 through the communicating pipe 4, and finally is sprayed out through the outer ring annular pipe 5 and the spray head on the inner ring annular pipe 3, so that the sprayed liquid is in contact with the soil dropped down by the first filter screen 2, the soil and the chemical solution are mixed more uniformly, the heavy metal repairing effect is improved, the repairing efficiency is accelerated, weeds in the soil on the upper side of the first filter screen 2 can be adsorbed on the soil through the weeding plate 19, particularly, the rotary rod 7 rotates on the threaded rod 20 through the threaded sleeve 21, the rotary rod 7 moves upwards while rotating, when one rotary rod 7 passes through the weeding groove 29, the other rotary rod 7 passes through the other weeding groove 29, and the weeds on the rotary rod 7 can be adhered to the weeding plate 19, at this moment, the pneumatic cylinder 15 drives the scraping rod 30 to move, so that the scraping rod 30 scrapes weeds on the weeding plate 19 into the weed box 16, then the scraping plate 30 is restored to the side wall of the repairing box 1, then the rotary rods 7 rotate 180 degrees, so that the two rotary rods 7 pass through the last weeding groove 29, the weeds can be adhered to the weeding plate 19 again, and the weeds can be removed again through the scraping plate 30, so that the weeds can be continuously removed, and the weeds are prevented from blocking meshes of the first filter screen 2.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The soil heavy metal pollution remediation integrated equipment comprises a remediation box (1) and is characterized in that a liquid spraying mechanism is fixedly connected to the bottom of the inner side of the remediation box (1), a liquid feeding mechanism connected with the liquid spraying mechanism is fixedly connected to the outer side of the remediation box (1), a feed hopper (10) is fixedly connected to the upper end of the remediation box (1), a fixing rod (24) is fixedly connected to the upper top surface of the inner side of the remediation box (1), a rotating rod (13) is movably connected to the lower end of the fixing rod (24), a swinging mechanism is connected to one end of the rotating rod (13), a knocking rod (9) is movably connected to the other end of the rotating rod (13), a first filter screen (2) and a second filter screen (12) are fixedly connected to the inner side of the remediation box (1), and the first filter screen (2) is located below the second filter screen (12), the multifunctional filter is characterized in that a threaded rod (20) is fixedly connected between the first filter screen (2) and the second filter screen (12), the second filter screen (12) is matched with a rapping rod (9), a pull rod (8) is movably connected onto the rotating rod (13), the lower end of the pull rod (8) is rotatably connected with a clamping mechanism positioned between the first filter screen (2) and the second filter screen (12), a threaded sleeve (21) in threaded sleeve connection with the threaded rod (20) is movably connected to the outer side of the clamping mechanism, a plurality of rotary rods (7) positioned above the first filter screen (2) are fixedly connected to the outer side of the threaded sleeve (21), and weeding mechanisms positioned between the first filter screen (2) and the second filter screen (12) are fixedly connected to the two sides of the repairing box (1);

hydrojet mechanism include with repair case (1) inboard bottom surface fixed connection's support, the upper end fixedly connected with inner circle annular tube (3) of support, the outside fixedly connected with strengthening rib (22) and communicating pipe (4) of inner circle annular tube (3), the common fixedly connected with outer lane annular tube (5) of one end of strengthening rib (22) and communicating pipe (4), the both ends of communicating pipe (4) communicate with inner circle annular tube (3) and outer lane annular tube (5) respectively, equal fixedly connected with a plurality of shower nozzles (6) on inner circle annular tube (3) and outer lane annular tube (5).

2. The soil heavy metal pollution restoration integration equipment of claim 1, wherein the liquid inlet mechanism comprises a solution tank (18) fixedly connected with the outer side of the restoration tank (1), a dosing pump (17) is fixedly connected to one side of the solution tank (18), and the output end of the dosing pump (17) is fixedly connected with the outer ring annular pipe (5).

3. The soil heavy metal pollution restores integration equipment of claim 1, characterized in that, swing mechanism include with restore case (1) outside fixed connection's driving motor (14), the output fixedly connected with of driving motor (14) is located restores case (1) inside rolling disc (25), one side fixedly connected with nose bar (26) of rolling disc (25), rotatory bell and spigot joint has swinging arms (27) on nose bar (26), the lower extreme swing joint of swinging arms (27) has and rotates the position sleeve (28) that cup joints with dwang (13).

4. The soil heavy metal pollution restores integration equipment according to claim 1, characterized in that, latch mechanism includes the ring channel of seting up in thread bush (21) upside, the lower extreme of pull rod (8) rotates and is connected with the inside slip connection's of ring channel fixture block (23).

5. A soil heavy metal pollution restores integration equipment according to claim 1, characterized in that, weeding mechanism includes the weeds case (16) with restoreing case (1) lateral wall fixed connection, the upside of weeds case (16) is seted up the through-hole that communicates with restoreing case (1), the lateral wall fixed connection of restoreing case (1) has pneumatic cylinder (15) that is located weeds case (16) top, the output fixed connection of pneumatic cylinder (15) has the pole of scraping (30) with first filter screen (2) upper surface sliding connection, the inside wall fixed connection of restoreing case (1) has the grass removing plate (19) with scraping pole (30) complex, be provided with a plurality of weeding grooves (29) on the grass removing plate (19).

6. The soil heavy metal pollution restores integration equipment of claim 1, characterized in that, the upper end of beating pole (9) is connected with the shutoff board (11) with feeder hopper (10) complex in a rotating way, restore bottom one side fixedly connected with discharging pipe of case (1), restore the bottom fixedly connected with of case (1) and discharging pipe complex hang plate.

7. The soil heavy metal pollution restores integration equipment of claim 1, characterized in that, one side fixedly connected with of restoring case (1) has the sealing door with second filter screen (12) cooperation, the mesh of first filter screen (2) is less than the mesh of second filter screen (12).