CN111940484A - Horizontal permeable reactive barrier for soil remediation - Google Patents
Horizontal permeable reactive barrier for soil remediation Download PDFInfo
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- CN111940484A CN111940484A CN202010535797.0A CN202010535797A CN111940484A CN 111940484 A CN111940484 A CN 111940484A CN 202010535797 A CN202010535797 A CN 202010535797A CN 111940484 A CN111940484 A CN 111940484A
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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
- B09C1/08—Reclamation of contaminated soil chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
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- Biotechnology (AREA)
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Abstract
The invention relates to a horizontal permeable reactive barrier for soil remediation. The horizontal permeable reactive barrier for soil remediation comprises a horizontal plant degradation wall and a horizontal microbial degradation wall, wherein the horizontal microbial degradation wall covers the polluted soil layer, the horizontal plant degradation wall covers the horizontal microbial degradation wall, the horizontal microbial degradation wall comprises degradation bacteria, the horizontal plant degradation wall comprises a culture soil layer and a plant layer, a permeation pipe fitting is inserted into the horizontal plant degradation wall, the tail end of the permeation pipe fitting is inserted into the polluted soil layer, and a permeation liquid permeates into the polluted soil layer through the permeation pipe fitting; the penetration pipe fitting comprises an outer pipe body, the lower end of the outer pipe body is provided with a rotary head, and the outer surface of the outer pipe body is provided with penetration holes; the horizontal permeable reactive barrier for soil remediation is simple in structure, flexible to use, strong in remediation effect and convenient to popularize and use.
Description
Technical Field
The invention belongs to the technical field of soil remediation, and particularly relates to a horizontal permeable reactive barrier for soil remediation.
Background
In the prior art, many examples of soil remediation using permeable reactive walls are provided, for example, in patent No. 201210289473.9 issued by north China electric university, an ozone-permeable reactive wall remediation system is proposed, in which after ozone enhanced aeration is performed on underground water in an underground water polluted by petroleum by an ozone generator, a permeable reactive wall is installed below underground water flow for treatment, and the method emphasizes on the stage of ozone enhanced aeration of sewage by the ozone generator, but the treatment mode of the following permeable reactive wall is not changed, and the method is only suitable for treating the underground water polluted zone in the petroleum polluted area, and cannot effectively solve organic polluted areas with complete water-proof layers, such as mountainous regions, hilly regions and the like. Liaoning engineering technology university provides a prosthetic biological permeable reaction wall system of colliery acid waste water normal position in pit, becomes 4 layers with the structure of biological permeable reaction wall, on the basis of traditional PRB, has constructed the novel PRB that has biological strengthening function with the fixed mixed sulfate reducing bacteria of medical stone to this acid waste water problem in solving the colliery. However, in the method, even if the structure of the biological permeable reaction wall is changed, the problem of better treating the acidic wastewater is solved, but the problem of treating other types of pollution cannot be well solved.
Disclosure of Invention
The invention aims to solve the problems and provide a horizontal permeable reactive barrier for soil remediation, which is simple in structure and reasonable in design.
The invention realizes the purpose through the following technical scheme:
the utility model provides a horizontal permeable reactive barrier for soil remediation, includes horizontal plant degradation wall and horizontal microbial degradation wall, horizontal microbial degradation wall covers in the top that pollutes the soil horizon, horizontal plant degradation wall covers in the top of horizontal microbial degradation wall, horizontal microbial degradation wall is including degrading the fungus, horizontal plant degradation wall is including cultivateing soil layer and plant layer, the infiltration pipe fitting has been inserted in the horizontal plant degradation wall, the end of infiltration pipe fitting inserts to polluting in the soil horizon, and the penetrant passes through the infiltration pipe fitting permeates to polluting in the soil horizon.
As a further optimization scheme of the invention, the permeation pipe fitting comprises an outer pipe body, the lower end of the outer pipe body is provided with a rotary head, and the outer surface of the outer pipe body is provided with a permeation hole.
As a further optimization scheme of the invention, the inner part of the outer tube body is rotatably connected with a rotating tube, the outer surface of the rotating tube is fixedly connected with an inner shell tube, the inner surface of the inner shell tube is fixedly connected with a compression spring, the other end of the compression spring is fixedly connected with a permeation intubation tube, and the permeation intubation tube and the permeation hole are in the same horizontal plane.
As a further optimization scheme of the invention, the outer surface of the permeation insertion pipe is provided with a leak hole, an extension pipe is arranged between the tail end of the permeation insertion pipe and a rotating pipe, the rotating pipe is a hollow pipe, and the penetrating fluid is filled from the upper end of the rotating pipe, flows into the permeation insertion pipe through the extension pipe and flows out through the leak hole.
As a further optimization scheme of the invention, the outer surface of the permeation intubation is provided with a leak hole, the tail end of the permeation intubation is fixedly connected with an infusion branch pipe, the infusion branch pipe is inserted into the rotating pipe, the inner wall surface of the rotating pipe is movably connected with a rotating roller, the infusion branch pipe is connected with an infusion main pipe in contact with the rotating roller, the infusion main pipe penetrates out of the outer surface of the upper end of the rotating pipe, and penetrating fluid is filled from the infusion main pipe, flows into the infusion branch pipe, enters the permeation intubation and flows out through the leak hole.
As a further optimization scheme of the invention, the inner part of the rotating pipe is provided with a lining pipe, and the infusion main pipe is positioned between the lining pipe and the inner surface of the rotating pipe.
As a further optimization scheme of the invention, the outer surface of the outer tube body is provided with an upper edge plate, the upper edge plate and the outer surface of the rotating tube are provided with fixing screw holes, and the upper edge plate is connected with the rotating tube bolt through the fixing screw holes.
As a further optimized scheme of the invention, the inner wall of the outer pipe body is contacted with a hole sealing plate, and the hole sealing plate is fixedly connected with the built-in outer shell pipe.
As a further optimization scheme of the invention, the infiltration intubation and the built-in shell tube are obliquely arranged.
The invention has the beneficial effects that: the invention utilizes the horizontal microbial degradation wall and the horizontal plant degradation wall to effectively degrade the volatile polluted gas of the polluted soil layer, utilizes the penetration pipe fitting to be inserted into the polluted soil layer, and injects penetrating fluid or repairing liquid into the polluted soil layer to repair the polluted soil layer; still be provided with the infiltration intubate that the slope set up in the infiltration pipe fitting, utilize compression spring's elasticity, after the rotating tube rotates, insert in polluting the soil layer, be responsible for through the infusion and manage to wherein add penetrant or repair liquid with the infusion, the infiltration intubate can utilize the small opening on its surface with liquid infiltration, volatilize to polluting the soil in situ, accomplish the restoration back, can also utilize the infusion to be responsible for and manage with the infusion and make the infiltration intubate reset, thereby the whole infiltration pipe fitting of pulling out more convenient, whole device simple structure, it is nimble to use, repair effect is strong, and convenient popularization and use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the permeation tube of the present invention;
FIG. 3 is a schematic view of the internal structure of the permeation tube of the present invention;
FIG. 4 is a schematic view of the configuration of the permeation tube member of the present invention inserted from the permeation hole;
fig. 5 is a schematic diagram of the position structure of the hole sealing plate of the present invention.
In the figure: 1. a horizontal plant degradation wall; 2. a horizontal microbial degradation wall; 3. a contaminated soil layer; 4. a permeate tube; 5. an outer tube body; 6. turning the head; 7. a penetration hole; 8. an upper edge plate; 9. a main infusion pipe; 10. rotating the tube; 11. fixing screw holes; 12. an osmotic cannula; 13. a casing pipe is arranged inside; 14. a compression spring; 15. rotating the roller; 16. the infusion is divided into tubes; 17. a liner tube; 18. and (5) sealing the hole plate.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1 and 2, a horizontal permeable reactive barrier for soil remediation, includes a horizontal plant degradation wall 1 and a horizontal microbial degradation wall 2, the horizontal microbial degradation wall 2 covers the top of a contaminated soil layer 3, the horizontal plant degradation wall 1 covers the top of the horizontal microbial degradation wall 2, the horizontal microbial degradation wall 2 includes degrading bacteria, the horizontal plant degradation wall 1 includes a culture soil layer and a plant layer, a penetration pipe 4 is inserted into the horizontal plant degradation wall 1, the end of the penetration pipe 4 is inserted into the contaminated soil layer 3, the penetration liquid penetrates into the contaminated soil layer 3 through the penetration pipe 4, and the horizontal microbial degradation wall 2 is often prepared by aerobic degrading bacteria.
The infiltration pipe fitting 4 comprises an outer pipe body 5, the lower end of the outer pipe body 5 is provided with a rotating head 6, the rotating head 6 can adopt a spiral rotating head, in an actual user, the upper end of the outer pipe body 5 can be detachably connected with a motor, the motor is used for driving the whole infiltration pipe fitting 4 to rotate, the spiral rotating head is used for inserting the whole infiltration pipe fitting 5 into the contaminated soil layer 3, the outer surface of the outer pipe body 5 is provided with infiltration holes 7, and infiltration liquid or repair liquid is used for carrying out infiltration degradation on the contaminated soil by using the infiltration pipes 7;
a rotating pipe 10 is rotatably connected inside the outer pipe body 5, an inner shell pipe 13 is fixedly connected to the outer surface of the rotating pipe 10, a compression spring 14 is fixedly connected to the inner surface of the inner shell pipe 13, a permeation insertion pipe 12 is fixedly connected to the other end of the compression spring 14, the permeation insertion pipe 12 and the permeation hole 7 are in the same horizontal plane, the lower end of the rotating pipe 10 is rotatably connected with the inner surface of the lower end of the outer pipe body 5, and a specific rotating mode can be provided with a bearing seat to assist rotation;
there are two embodiments of the osmotic cannula 12, one of which is: the outer surface of the infiltration insertion pipe 12 is provided with a leak hole, an extension pipe is arranged between the tail end of the infiltration insertion pipe 12 and the rotating pipe 10, the rotating pipe 10 is a hollow pipe, infiltration liquid is filled from the upper end of the rotating pipe 10, flows into the infiltration insertion pipe 12 through the extension pipe and flows out through the leak hole, and the extension pipe in the scheme can adopt a folding hose and can also adopt other forms of extension plastic pipes;
the second method is as follows: the outer surface of infiltration intubate 12 has seted up the small opening, the terminal fixedly connected with infusion of infiltration intubate 12 is in charge of 16, infusion is in charge of 16 inserts inside rotating tube 10, the inner wall surface swing joint of rotating tube 10 has rotation gyro wheel 15, infusion is in charge of 16 contact rotation gyro wheel 15 is connected with infusion and is responsible for 9, infusion is responsible for 9 and wears out the upper end surface of rotating tube 10, and the penetrant is responsible for 9 from the infusion and pours into, flows into infusion and is in charge of 16 entering infiltration intubate 12, flows out through the small opening, and in this kind of scheme, infusion is in charge of 16 and is responsible for 9 and all adopts the plastics preparation of comparatively durable drawing, and the user can be through the mode of drawing after the use is accomplished, and the pulling infusion is responsible for 9 and is in charge of 16 and moves, and the setting up of rotation gyro wheel 15 can effectually reduce the friction condition of the corner of, by means of pulling, the infiltration insertion tube 12 can be effectively pulled to overcome the acting force of the compression spring 14, and at the moment, the rotation tube 10 is rotated, so that the infiltration insertion tube 12 can be restored to the original position, the whole device cannot have large resistance when being pulled out, and the whole device is convenient to install and remove;
a lining pipe 17 is arranged inside the rotating pipe 10, the infusion main pipe 9 is positioned between the lining pipe 17 and the inner surface of the rotating pipe 10, and the lining pipe 17 compresses the rotating pipe; an upper edge plate 8 is arranged on the outer surface of the outer tube body 5, a fixing screw hole 11 is formed in the outer surfaces of the upper edge plate 8 and the rotating tube 10, and the upper edge plate 8 is in bolt connection with the rotating tube 10 through the fixing screw hole 11; the inner wall of the outer pipe body 5 is contacted with a hole sealing plate 18, and the hole sealing plate 18 is fixedly connected with the built-in outer shell pipe 13, so that excessive soil is effectively prevented from entering the device when the device is inserted or pulled out; the osmotic cannula 12 and the internal housing tube 13 are both obliquely arranged, and the obliquely arranged osmotic cannula 12 facilitates the outflow of liquid in the osmotic cannula 12.
It should be noted that, when the horizontal permeable reactive barrier for soil remediation is used, a user can firstly rotate the whole permeable pipe 4, the whole permeable pipe 4 enters the contaminated soil layer 3 through the rotary head 6, the bolt in the fixed screw hole 11 on the surface of the upper edge plate 8 is removed, the rotary pipe 10 is rotated, the built-in shell pipe 13 drives the hole sealing plate 18 to rotate, the permeable insertion pipe 12 is inserted into the contaminated soil layer 3 under the elastic action of the compression spring 14, the permeable insertion pipe 12 is internally provided with a cavity structure which is communicated with the infusion branch pipe 16, the user can introduce degradation liquid or remediation liquid into the infusion main pipe 9, the liquid enters the permeable insertion pipe 12 through the infusion branch pipe 16, the outer surface of the permeable insertion pipe 12 is provided with leakage holes, the liquid in the permeable insertion pipe 12 can slowly permeate into the contaminated soil layer through the leakage holes, after the soil remediation of the area is completed, the infusion main pipe 9 can be pulled, the infusion branch pipe 16 pulls the permeation intubation tube 12 to overcome the elasticity of the compression spring 14 and enter the built-in shell pipe 13, the rotating pipe 10 is rotated reversely at the moment, the built-in shell pipe 13 is reset, meanwhile, the hole sealing plate 18 is reset, and the whole permeation pipe fitting 4 can be conveniently pulled out. The whole device effectively degrades the volatile polluted gas of the polluted soil layer 3 by using the horizontal microbial degradation wall 2 and the horizontal plant degradation wall 1, and utilizes the permeation pipe fitting 4 to be inserted into the polluted soil layer 3 and injects a permeation liquid or a repair liquid into the polluted soil layer 3 to repair the polluted soil layer 3; still be provided with the infiltration intubate 12 that the slope set up in the infiltration pipe fitting 4, utilize compression spring 14's elasticity, after the rotating tube 10 rotates, insert in contaminated soil layer 3, be responsible for 9 through the infusion and manage 16 in charge to wherein add penetrant or repair liquid, infiltration intubate 12 can utilize the small opening on its surface with liquid infiltration, volatilize to contaminated soil layer 3 in, accomplish the restoration back, can also utilize infusion to be responsible for 9 and manage 16 in charge and make infiltration intubate 12 reset with the infusion, thereby the whole infiltration pipe fitting 4 of more convenient pulling out, whole device simple structure, it is flexible to use, the repair effect is strong, and convenient to popularize and use.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides a horizontal permeable reactive barrier for soil remediation which characterized in that, includes horizontal plant degradation wall (1) and horizontal microbial degradation wall (2), horizontal microbial degradation wall (2) cover in the top that pollutes soil horizon (3), horizontal plant degradation wall (1) covers in the top of horizontal microbial degradation wall (2), horizontal microbial degradation wall (2) are including degrading the fungus, horizontal plant degradation wall (1) is including cultivateing soil horizon and plant layer, it has infiltration pipe fitting (4) to insert in horizontal plant degradation wall (1), the end of infiltration pipe fitting (4) inserts in polluting soil horizon (3), and the penetrant passes through infiltration pipe fitting (4) permeate to in polluting soil horizon (3).
2. The horizontal permeable reactive barrier for soil remediation of claim 1, wherein: the infiltration pipe fitting (4) include outer tube shaft (5), the lower extreme of outer tube shaft (5) is provided with turn round (6), infiltration hole (7) have been seted up to the surface of outer tube shaft (5).
3. A horizontal permeable reactive barrier for soil remediation according to claim 2 further comprising: the inner part of the outer pipe body (5) is rotatably connected with a rotating pipe (10), the outer surface of the rotating pipe (10) is fixedly connected with a built-in outer shell pipe (13), the inner surface of the built-in outer shell pipe (13) is fixedly connected with a compression spring (14), the other end of the compression spring (14) is fixedly connected with a permeation insertion pipe (12), and the permeation insertion pipe (12) and the permeation hole (7) are on the same horizontal plane.
4. A horizontal permeable reactive barrier for soil remediation according to claim 3 wherein: the outer surface of the infiltration intubate (12) has been seted up the small opening, be provided with flexible pipe between the end of infiltration intubate (12) and rotating-tube (10), rotating-tube (10) are the hollow tube, and penetrant pours into from the upper end of rotating-tube (10), flows into in infiltration intubate (12) through flexible pipe, flows out through the small opening.
5. A horizontal permeable reactive barrier for soil remediation according to claim 3 wherein: the small opening has been seted up to the surface of infiltration intubate (12), the terminal fixedly connected with infusion of infiltration intubate (12) is divided and is managed (16), the infusion is divided and manages (16) and insert inside rotating tube (10), the inner wall surface swing joint of rotating tube (10) has rotation gyro wheel (15), the infusion is divided and is managed (16) contact rotation gyro wheel (15) and be connected with the infusion and is responsible for (9), the upper end surface of rotating tube (10) is worn out in the infusion is responsible for (9), and the penetrant is responsible for (9) from the infusion and is irritated into, flows into in infusion divides pipe (16) to get into infiltration intubate (12), flows out through the small opening.
6. The horizontal permeable reactive barrier for soil remediation of claim 5, wherein: the inner part of the rotating pipe (10) is provided with a lining pipe (17), and the infusion main pipe (9) is positioned between the lining pipe (17) and the inner surface of the rotating pipe (10).
7. A horizontal permeable reactive barrier for soil remediation according to claim 4 or 5, wherein: the outer surface of the outer tube body (5) is provided with an upper edge plate (8), the outer surface of the upper edge plate (8) and the outer surface of the rotating tube (10) are provided with fixing screw holes (11), and the upper edge plate (8) is connected with the rotating tube (10) through the fixing screw holes (11) in a bolt mode.
8. A horizontal permeable reactive barrier for soil remediation according to claim 4 or 5, wherein: the inner wall of the outer pipe body (5) is in contact with a hole sealing plate (18), and the hole sealing plate (18) is fixedly connected with the built-in outer shell pipe (13).
9. The horizontal permeable reactive barrier for soil remediation of claim 8, wherein: the infiltration intubation tube (12) and the built-in shell tube (13) are obliquely arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010535797.0A CN111940484B (en) | 2020-06-12 | 2020-06-12 | Horizontal permeable reactive barrier for soil remediation |
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| CN202010535797.0A CN111940484B (en) | 2020-06-12 | 2020-06-12 | Horizontal permeable reactive barrier for soil remediation |
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Cited By (2)
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| CN113634590A (en) * | 2021-08-13 | 2021-11-12 | 明达海洋工程有限公司 | Geological soil restoration treatment system |
| CN114635439A (en) * | 2022-04-22 | 2022-06-17 | 茅台学院 | Soil and water conservation repair equipment |
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| CN111940484B (en) | 2022-05-17 |
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