CN110788131B - Soil remediation method and device - Google Patents
Soil remediation method and device Download PDFInfo
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- CN110788131B CN110788131B CN201911209755.1A CN201911209755A CN110788131B CN 110788131 B CN110788131 B CN 110788131B CN 201911209755 A CN201911209755 A CN 201911209755A CN 110788131 B CN110788131 B CN 110788131B
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- soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
Abstract
The invention discloses a soil remediation method and a device thereof, and the soil remediation method comprises a first barrel, wherein a second barrel is sleeved at the bottom end of the outer wall of the first barrel, a support is fixedly assembled on the outer wall of the second barrel, a first opening is formed in the side surface of the second barrel, a guide pipe penetrates through the top end of the first barrel, second openings are formed in the top ends of the two sides of the guide pipe, and a blocking net is fixedly assembled on the inner wall of each second opening. Through the cooperation of gear and rubber sleeve, the loop bar drives gear revolve, water is deposited in the inside of shell, gear revolve's in-process rubber sleeve when not contacting with the shell, the rivers of depositing in the shell flow out, flow into in the earth, soil can be abundant absorbed moisture, the plant relies on soil and moisture can survive in the short time, the bivalent mercury that the tobacco enabled the toxicity to beat truns into for gaseous mercury, kenaf can make the trivalent selenium in the soil change into and volatilize away for methyl selenium, harmful substance in the soil that can greatly reduced, reach the effect of restoreing soil.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a soil remediation method and a soil remediation device.
Background
Soil is originally a natural accommodation place and a purification treatment place of various wastes, soil accepts pollutants, does not indicate that the soil is polluted, and indicates that the soil is polluted only when various pollutants accommodated in the soil are excessive and influence and exceed the self-purification capacity of the soil, so that the soil has harmful influence on hygiene and epidemiology. Soil pollution is caused by many reasons, such as industrial sludge, garbage agriculture, sewage irrigation, pollutant sedimentation in the atmosphere, heavy metal-containing mineral fertilizers and pesticides, and the like, although soil has a certain purification capacity, when the amount of pesticides entering the soil exceeds the environmental capacity of the soil, the soil pollution is formed, which has a serious influence on the soil ecosystem, and also enters human bodies through food chains to cause harm to the health of the human bodies, pesticide residues in the soil affecting crops are gradually transferred to the plants through the root activities of the plants, so that the pesticide residues in the plants are increased, the quality of agricultural products is affected, and the economic benefit of farmers is reduced, and soil remediation refers to transferring, absorbing, degrading and converting pollutants in the soil by using physical, chemical and biological methods to reduce the concentration of the pollutants to an acceptable level, or to convert toxic and harmful pollutants into harmless substances. Fundamentally, the technical principle of contaminated soil remediation may include: the existing form of pollutants in soil or the combination mode of the pollutants and the soil are changed, the mobility and the bioavailability of the pollutants in the environment are reduced, the concentration of harmful substances in the soil is reduced, when the soil is repaired by using plants, the existing soil repairing device cannot simultaneously complete a plurality of operation steps, the period of the soil repairing process is longer, and the efficiency is low, so that the technical scheme provides the soil repairing method and the device.
Disclosure of Invention
The present invention is directed to a method and apparatus for soil remediation, which solves the above-mentioned problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a method of remediating soil comprising the steps of:
preparing a proper amount of plants such as tobacco and kenaf capable of converting heavy metals into volatile forms, and properly arranging the plants to avoid the plants from being intertwined together;
a soil remediation device comprises a first barrel, wherein a second barrel is sleeved at the bottom end of the outer wall of the first barrel, a support is fixedly assembled on the outer wall of the second barrel, a first opening is formed in the side face of the second barrel, a guide pipe penetrates through the top end of the first barrel, second openings are formed in the top ends of the two sides of the guide pipe, a barrier net is fixedly assembled on the inner wall of each second opening, through holes are formed in the surface of the guide pipe, baffles are sleeved on the outer wall of the guide pipe, the number of the baffles is five, the baffles are located in the first barrel, electric heating plates are fixedly assembled on the two sides of the surface of each baffle, a supporting structure is assembled at the top end of the side face of the first barrel, a motor is assembled at one end of the supporting structure, a loop bar is fixedly assembled at the output end of the motor, a cross bar is fixedly assembled at the bottom end of the side face of the loop bar, and the cross bar is located in the first opening, the outer wall of the cross rod is fixedly provided with a plurality of burrs, the outer wall of the loop bar is fixedly sleeved with a gear, the outer wall of the first cylinder is fixedly sleeved with a shell, the surface of the shell is fixedly penetrated with a water inlet pipe, the gear extends into the shell, one side of the outer wall of the gear is fixedly provided with a rubber sleeve, the outer wall of the first cylinder is sleeved with a rotating plate, the rotating plate is positioned in the shell, and the rotating plate is attached to the gear;
the supporting structure comprises a hollow rod, the hollow rod is fixedly assembled on the first barrel, one end of a supporting rod is inserted into the inner wall of the hollow rod, a motor is fixedly assembled at the other end of the supporting rod, a screw penetrates through the surface of the hollow rod, and the screw penetrates through the supporting rod;
a rubber plug is assembled at the top end of the water inlet pipe;
vertical rods are fixedly assembled on two sides of the surface of the rotating plate, and stirring blades are rotatably assembled on the outer walls of the vertical rods;
the inner wall of the bottom end of the loop bar is inserted with one end of the inserted bar, the outer wall of the other end of the inserted bar is sleeved with a support tube, and the support tube is fixedly assembled with the second barrel.
Compared with the prior art, the invention has the beneficial effects that: a method for restoring soil and its device, through the cooperation of baffle and pipe, place the plant that uses on the baffle, put the plant into order, the plant is not twined each other, drive the loop bar to rotate through the motor, thus drive the continuous rotation of horizontal pole, promote the continuous downward movement of pipe, push the plant located in first barrel to the soil, in the rotation of horizontal pole, the plant and soil abundant mixing, through the cooperation of gear and rubber sleeve, the loop bar drives the gear to rotate, store water in the inside of the outer cover, when the rubber sleeve does not contact with outer cover in the course of gear rotation, the water that stores in the outer cover flows out, flow into the soil, soil can be abundant moisture absorption, the plant can survive in a short time depending on soil and moisture, the tobacco can make bivalent mercury that the toxicity beats turn into the gaseous mercury, kenaf can make the trivalent selenium in the soil turn into the methyl selenium and volatilize out, can greatly reduce harmful substances in the soil and achieve the effect of restoring the soil.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic structural diagram at B in fig. 2.
In the figure: 1-a first cylinder body, 2-a second cylinder body, 3-a guide pipe, 4-a blocking net, 5-a through hole, 6-a baffle, 7-an electric hot plate, 8-a hollow rod, 9-a support rod, 10-a screw, 11-a motor, 12-a loop bar, 13-a gear, 14-a rubber sleeve, 15-a shell, 16-a rotating plate, 17-a vertical rod, 18-a stirring blade, 19-a water inlet pipe, 20-a rubber plug, 21-a cross bar, 22-a burr, 23-a support cylinder, 24-an inserted bar and 25-a support.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a method of remediating soil comprising the steps of:
preparing a proper amount of plants such as tobacco and kenaf capable of converting heavy metals into volatile forms, and properly arranging the plants to avoid the plants from being intertwined together;
and 6, drying the soil, and finally backfilling the soil to the soil pit.
Specifically, the soil remediation device comprises a first barrel body 1, a second barrel body 2 is sleeved at the bottom end of the outer wall of the first barrel body 1, a support 25 is fixedly assembled on the outer wall of the second barrel body 2, a first opening is formed in the side surface of the second barrel body 2, a conduit 3 penetrates through the top end of the first barrel body 1, second openings are formed in the top ends of two sides of the conduit 3, a blocking net 4 is fixedly assembled on the inner wall of each second opening, through holes 5 are formed in the surface of the conduit 3, baffles 6 are sleeved on the outer wall of the conduit 3, the baffles 6 are five in number and are all located on the first barrel body 1, electric heating plates 7 are fixedly assembled on two sides of the surface of each baffle 6, a support structure is assembled at the top end of the side surface of the first barrel body 1, a motor 11 is assembled at one end of the support structure, a loop bar 12 is fixedly assembled at the output end of the motor 11, a cross bar 21 is fixedly assembled at the bottom end of the side surface of the loop bar 12, the cross bar 21 is located in the first opening, the fixed cover of outer wall that is equipped with a plurality of burr 22 loop bar 12 of horizontal pole 21 has cup jointed gear 13, and the outer wall of first barrel 1 is fixed to have cup jointed shell 15, and the fixed surface of shell 15 has run through inlet tube 19, and in gear 13 extended into shell 15, the fixed rubber sleeve 14 that is equipped with in outer wall one side of gear 13, the outer wall of first barrel 1 has cup jointed commentaries on classics board 16, changes board 16 and is located shell 15, changes board 16 and gear 13 and laminates mutually.
The soil phytoremediation technology is characterized in that according to the characteristics that plants can tolerate or super accumulate certain specific compounds, organic or inorganic pollutants in soil are extracted, transferred, absorbed, decomposed, converted or fixed by utilizing green plants and symbiotic microorganisms thereof, the pollutants are removed from the soil, so that the purposes of removing, reducing or stabilizing the pollutants, reducing the toxicity of the pollutants and the like are achieved, a proper amount of plants such as tobacco and kenaf capable of converting heavy metals into volatile forms are prepared, bivalent mercury with toxicity broken down into gaseous mercury by the tobacco and trivalent selenium in the soil into methyl selenium for volatilization by the kenaf, other plants can be selected for use together, the plants are properly arranged, the plants are prevented from being intertwined with one another, the plants are placed on a baffle plate 6 and placed in a first cylinder body 1, water is filled into the inner wall of a housing 15 through a water inlet pipe 19, water is stored between the shell 15 and the first barrel 1, the support 25 is arranged in the reaction tank, the bottom end of the support 25 is in a ring shape and is more stable to place, the top end of the support is in contact with the first barrel 1 to push the guide pipe 3 to move downwards, the guide pipe 3 drives the baffle 6 to move out of the first barrel 1 and enter the second barrel 2, an external power supply of the motor 11 is started, the motor 11 starts to work, the motor 11 drives the loop bar 12 to rotate, the loop bar 12 drives the cross bar 21 to rotate in the rotating process, the cross bar 21 mixes prepared plants with screened soil, the burrs 22 can increase contact friction force between the soil and the plants, the plants can be fully contacted with the soil, the continuous rotation of the loop bar 12 drives the gear 13 to rotate while mixing, the outer wall of the gear 13 is sleeved with the rubber sleeve 14, the rubber sleeve 14 wraps half of the gear 13, the gear 13 rotates until the rubber sleeve 14 is in contact with the shell 15, the water in the shell 15 can not flow out, the gear 13 rotates until the rubber sleeve 14 is separated from the shell 15, the water starts to flow out, the water is continuously poured into the soil, the humidity of the soil is increased, when the soil is dried, the baffle 6 extends into the soil, an external power supply of the electric heating plate 7 is switched on, the water in the soil flows out, part of water vapor flows into the guide pipe 3 from the through hole 5 and is finally discharged from the barrier net 4, the other part of water vapor is directly discharged, the drying speed of the soil is accelerated, and the dried soil is backfilled into a soil pit.
Particularly, bearing structure includes hollow rod 8, and hollow rod 8 is fixed to be assembled on first barrel 1, and the one end that has branch 9 is pegged graft to hollow rod 8's inner wall, and the other end fixed assembly of branch 9 has motor 11, and hollow rod 8's surface runs through there is screw 10, and screw 10 runs through branch 9.
When needing to promote pipe 3 to remove and put in the soil with the plant, the position of adjusting motor 11, motor 11 drive branch 9 and remove at the inner wall of hollow pole 8, carry on spacingly to the position between branch 9 and the hollow pole 8 through rotating screw 10.
Specifically, the top end of the water inlet tube 19 is fitted with a rubber stopper 20.
The rubber stopper 20 seals the top end of the water inlet pipe 19 to prevent impurities from entering.
Specifically, both sides of the surface of the rotating plate 16 are fixedly provided with vertical rods 17, and the outer walls of the vertical rods 17 are rotatably provided with stirring blades 18.
The rotating plate 16 drives the vertical rod 17 to rotate together in the rotating process, and the stirring blades 18 stir the water inside the shell 15 when the vertical rod 17 rotates, so that scale is prevented from being formed.
Specifically, the bottom end inner wall of loop bar 12 is pegged graft and is had the one end of inserted bar 24, and a section of thick bamboo 23 has been cup jointed to the other end outer wall of inserted bar 24, props a section of thick bamboo 23 and second barrel 2 fixed assembly.
The inserted link 24 is L-shaped, one end of the inserted link is inserted into the support tube 23, and the inserted link 12 can rotate on the outer wall of the inserted link 24 in the moving process, and when the motor 11 is moved, the inserted link 24 is driven by the inserted link 12 to move inside the support tube 23, so that the position of the inserted link 12 is limited.
The working principle is as follows: preparing a proper amount of plants such as tobacco and kenaf which can convert heavy metals into volatile forms, properly arranging the plants to avoid the plants from being intertwined together, placing the plants on a baffle 6 and inside a first barrel 1, filling water into the inner wall of a shell 15 through a water inlet pipe 19, storing the water between the shell 15 and the first barrel 1, placing a bracket 25 in a reaction tank, pushing a conduit 3 to move downwards, driving the baffle 6 to move out of the first barrel 1 by the conduit 3 and enter a second barrel 2, starting an external power supply of a motor 11, starting the motor 11 to work, driving a loop bar 12 to rotate by the motor 11, driving a cross bar 21 to rotate in the rotating process of the loop bar 12, mixing the prepared plants with screened soil by the cross bar 21 to enable the plants to be fully contacted with the soil, and driving a gear 13 to rotate by the continuous rotation of the loop bar 12 while mixing, the outer wall of the gear 13 is sleeved with a rubber sleeve 14, the rubber sleeve 14 wraps half of the gear 13, when the gear 13 rotates until the rubber sleeve 14 is in contact with the shell 15, water in the shell 15 cannot flow out, the gear 13 rotates until the rubber sleeve 14 is separated from the shell 15, the water starts to flow out, the water is continuously poured into the soil to increase the humidity of the soil, when the soil is dried, the baffle 6 extends into the soil, an external power supply of the electric heating plate 7 is switched on, water in the soil flows out, a part of water vapor flows into the guide pipe 3 from the through hole 5, and finally the water vapor is discharged from the barrier net 4, the other part of water vapor is directly discharged, the drying speed of the soil is accelerated, and the dried soil is backfilled into a soil pit.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, parts and equipment adopt conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A soil remediation method is characterized in that: the method comprises the following steps:
preparing a proper amount of plants capable of converting heavy metals into volatile forms by using tobacco and kenaf, and properly arranging the plants to avoid the plants from being intertwined together;
step 2, stacking the soil to be repaired into a reaction tank, screening the soil, and screening out larger stones or domestic garbage of residues in the soil;
step 3, mixing the prepared plants with the soil screened in the step 2 to ensure that the plants can be fully contacted with the soil, and continuously pouring water into the soil while mixing to increase the humidity of the soil;
step 4, standing the soil for one to two weeks, laying a plastic film on the reaction tank for sealing, pumping out air in the reaction tank by using a fan when the standing is about to finish, and introducing the pumped air into an air purifier for purification;
step 5, adding a large amount of water into the soil, and continuously standing for one to five days, wherein a large amount of light is needed in the period;
step 6, drying the soil, and finally backfilling the soil to a soil pit;
the soil remediation device comprises a first barrel body (1), wherein a second barrel body (2) is sleeved at the bottom end of the outer wall of the first barrel body (1), a support (25) is fixedly assembled on the outer wall of the second barrel body (2), a first opening is formed in the side face of the second barrel body (2), a guide pipe (3) penetrates through the top end of the first barrel body (1), second openings are formed in the top ends of two sides of the guide pipe (3), a blocking net (4) is fixedly assembled on the inner wall of each second opening, through holes (5) are formed in the surface of the guide pipe (3), baffles (6) are sleeved on the outer wall of the guide pipe (3), the baffles (6) are five in number and are located in the first barrel body (1), electric heating plates (7) are fixedly assembled on two sides of the surface of each baffle (6), and a supporting structure is assembled at the top end of the side face of the first barrel body (1), one end of the supporting structure is provided with a motor (11), the output end of the motor (11) is fixedly provided with a loop bar (12), a cross rod (21) is fixedly assembled at the bottom end of the side surface of the loop bar (12), the cross rod (21) is positioned in the first opening, a plurality of burrs (22) are fixedly assembled on the outer wall of the cross rod (21), a gear (13) is fixedly sleeved on the outer wall of the loop bar (12), a shell (15) is fixedly sleeved on the outer wall of the first cylinder body (1), a water inlet pipe (19) is fixedly penetrated through the surface of the shell (15), the gear (13) extends into the shell (15), one side of the outer wall of the gear (13) is fixedly provided with a rubber sleeve (14), the outer wall of the first cylinder (1) is sleeved with a rotating plate (16), the rotating plate (16) is positioned in the shell (15), and the rotating plate (16) is attached to the gear (13);
the supporting structure comprises a hollow rod (8), the hollow rod (8) is fixedly assembled on the first barrel (1), one end of a supporting rod (9) is inserted into the inner wall of the hollow rod (8), a motor (11) is fixedly assembled at the other end of the supporting rod (9), a screw (10) penetrates through the surface of the hollow rod (8), and the screw (10) penetrates through the supporting rod (9);
the top end of the water inlet pipe (19) is provided with a rubber plug (20);
vertical rods (17) are fixedly assembled on two sides of the surface of the rotating plate (16), and stirring blades (18) are rotatably assembled on the outer walls of the vertical rods (17);
the inner wall of the bottom end of the loop bar (12) is inserted with one end of an insertion bar (24), the outer wall of the other end of the insertion bar (24) is sleeved with a support cylinder (23), and the support cylinder (23) is fixedly assembled with the second cylinder body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209755.1A CN110788131B (en) | 2019-12-01 | 2019-12-01 | Soil remediation method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911209755.1A CN110788131B (en) | 2019-12-01 | 2019-12-01 | Soil remediation method and device |
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| CN110788131A CN110788131A (en) | 2020-02-14 |
| CN110788131B true CN110788131B (en) | 2021-11-05 |
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Families Citing this family (1)
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| CN113600606A (en) * | 2021-06-28 | 2021-11-05 | 徐州泽众环境科技有限公司 | Centrifugal soil heavy metal pollution administers device |
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