CN111922056B - Chromium contaminated soil's heap leaching repair system - Google Patents
Chromium contaminated soil's heap leaching repair system Download PDFInfo
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- CN111922056B CN111922056B CN202010535800.9A CN202010535800A CN111922056B CN 111922056 B CN111922056 B CN 111922056B CN 202010535800 A CN202010535800 A CN 202010535800A CN 111922056 B CN111922056 B CN 111922056B
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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
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Abstract
The invention relates to a heap leaching remediation system for chromium-contaminated soil. The heap leaching remediation system for the chromium-contaminated soil comprises a buried shell, wherein the buried shell is buried below the ground, a storage part is placed inside the buried shell, a chromium-contaminated soil pile is stored in the storage part, remediation soil is filled in the buried shell, the outer surface of the storage part is connected with a spraying pipe fitting, the spraying pipe fitting sprays remediation liquid into the storage part, and the outer surface of the buried shell is provided with a flow opening; a built-in support plate is fixedly connected inside the embedded shell, a placing opening is formed in the built-in support plate, and the storage piece is placed in the placing opening; this heap leaching repair system of chromium contaminated soil, simple structure, convenient operation uses in a flexible way to whole system's device can recycle, hides the outer soil of pipe fitting and handles alone, is convenient for detect and change outside soil according to repairing the process, has to organize in improving repair efficiency, convenient to popularize and use.
Description
Technical Field
The invention belongs to the technical field of soil remediation, and particularly relates to a heap leaching remediation system for chromium-contaminated soil.
Background
Currently, ex-situ remediation is mostly adopted for chromium-contaminated soil remediation. In the prior restoration process, most of projects dig and transfer the polluted soil to a specific structure for treatment. The structures are generally concrete structures, and occupy large site space. The infrastructure construction period of the disposal site is long, the cost is high, and the disposal mode is not suitable for medium and small projects. After the polluted soil is treated, the structures need to be dismantled, which wastes time and labor and has high cost. In addition, in the process of off-site disposal, dust containing chromium pollution is easy to escape into the atmosphere, and air pollution is caused. Therefore, in order to solve the above problems and prevent secondary pollution, the remediation process of chromium-contaminated soil requires a special ex-situ treatment technique.
Disclosure of Invention
The invention aims to solve the problems and provide a heap leaching remediation system for chromium-contaminated soil, which has a simple structure and is reasonably designed.
The invention realizes the purpose through the following technical scheme:
the heap leaching remediation system for the chromium-contaminated soil comprises a buried shell, wherein the buried shell is buried below the ground, a storage part is placed inside the buried shell, a chromium-contaminated soil pile is stored in the storage part, remediation soil is filled in the buried shell, the outer surface of the storage part is connected with a spraying pipe fitting, the spraying pipe fitting sprays remediation liquid into the storage part, and the outer surface of the buried shell is provided with a flow opening; the inside fixedly connected with of burial shell embeds the backup pad, place the mouth in the built-in backup pad has been seted up, the storage piece is placed in placing the mouth, the circulation mouth is seted up in the below position of built-in backup pad.
As a further optimized scheme of the invention, the spraying pipe fitting comprises a liquid inlet valve member, the liquid inlet valve member is fixed on the outer surface of the upper end of the built-in support plate, a liquid outlet of the liquid inlet valve member is connected with a communicating pipe, the communicating pipe is positioned below the built-in support plate, the outer surface of the communicating pipe is connected with a plurality of groups of connecting pipes, the other end of each connecting pipe is fixedly connected with an inserting pipe, and the inserting pipe is inserted into the storage member to discharge liquid.
As a further optimized scheme of the invention, the storage part comprises an external pipe fitting, an internal pipe fitting is placed in the external pipe fitting, the internal pipe fitting and the external pipe fitting can rotate relatively, a fixing part and a limiting part are respectively arranged between the internal pipe fitting and the external pipe fitting, the fixing part prevents the internal pipe fitting and the external pipe fitting from being separated, the limiting part limits the rotation of the internal pipe fitting and the external pipe fitting, and the outer surfaces of the internal pipe fitting and the external pipe fitting are both provided with a communication hole and an insertion hole.
As a further optimization scheme of the invention, when the chromium-polluted soil remediation treatment is not carried out, the communicating holes of the built-in pipe fitting and the built-in pipe fitting are not communicated with each other, and the inserting holes are not communicated with each other; when the chromium-polluted soil restoration treatment is carried out, the communication holes of the built-in pipe fitting and the built-in pipe fitting are communicated with each other, and the insertion holes are communicated with each other.
In a further preferred embodiment of the present invention, a threaded structure is formed on a wall surface of the insertion hole, and the insertion tube is inserted into the concealed pipe fitting through the threaded structure.
As a further optimization scheme of the invention, the upper ends of the hidden pipe fitting and the hidden pipe fitting are respectively provided with an edge plate, the outer surface of each edge plate is provided with a plurality of groups of screw holes, the fixing piece is a fixing bolt, and the hidden pipe fitting are fixedly connected through the fixing bolt.
As a further optimization scheme of the invention, the outer surface of the externally hidden pipe fitting is provided with a limited screw hole penetrating through a wall surface, the outer surface of the internally hidden pipe fitting is provided with two groups of limited holes, the limited member is a screw member, and when the chromium-polluted soil remediation treatment is not carried out, the screw member is connected with the limited screw hole and one group of limited holes; in a state of performing chromium-contaminated soil remediation treatment, the screw member connects the limiting screw hole with the other set of limiting holes.
As a further optimization scheme of the invention, the outer surface of the lower end of the externally hidden pipe fitting is provided with a connecting hole, the outer surface of the lower end of the internally hidden pipe fitting is fixedly connected with a connecting piece, and the connecting piece is connected with a driving piece.
The invention has the beneficial effects that: the invention can firstly smash polluted chromium soil, firstly mix the polluted chromium soil with a mixing agent, then place the polluted chromium soil into an embedded pipe fitting, at the moment, the embedded pipe fitting and an external pipe fitting are in a state of not carrying out chromium pollution soil restoration treatment, at the moment, communication holes of the embedded pipe fitting and the external pipe fitting are not communicated with each other, insertion holes are not communicated with each other and are arranged in a staggered way, at the moment, a fixing piece is used for fixing the external pipe fitting and the embedded pipe fitting, the external pipe fitting and the embedded pipe fitting which are fixed together are usually placed into an embedded shell by a crane and are connected with an output shaft of a driving piece, the fixing piece and the limiting piece are contacted, the driving piece is started, the embedded pipe fitting is driven to rotate to the other limiting hole to be coincided with the limiting screw hole, the fixing piece and the limiting piece are reinstalled, meanwhile, the inserting pipe is in threaded connection with the insertion holes by utilizing a threaded structure on the surface of the inserting pipe, after the installation is finished, filling soil into the buried shell through the flow opening, sealing the flow opening after the soil is filled, regularly filling repair liquid into the concealed pipe fitting by using a liquid inlet valve member every day, opening the sealed flow opening firstly during maintenance, detecting along the outward direction and the inward direction, cleaning the soil outside the externally concealed pipe fitting when necessary, refilling, and assisting the repair of the polluted soil in the concealed pipe fitting; entire system simple structure, convenient operation uses in a flexible way to entire system device can recycle, hides the soil independent processing outside the pipe fitting outward, is convenient for detect and change outside soil according to repairing the process, has the group in improving repair efficiency, convenient to popularize 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 construction of the storage member of the present invention;
FIG. 3 is a schematic view of the structure of the concealed pipe fitting of the present invention;
FIG. 4 is a schematic diagram of the position structure of the limiting member of the present invention.
In the figure: 1. a buried housing; 2. a support plate is arranged inside; 3. a liquid inlet valve member; 4. a communicating pipe; 5. connecting pipes; 6. an insertion tube; 7. a fixing member; 8. externally hiding the pipe fitting; 9. a built-in pipe fitting; 10. a drive member; 11. a communicating hole; 12. an insertion hole; 13. connecting holes; 14. a limiting member; 15. defining an aperture; 16. a connecting member; 17. a flow port.
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. 1-4, a heap leaching repair system for chromium-contaminated soil comprises a buried shell 1, wherein the buried shell 1 is buried below the ground, a storage part is placed inside the buried shell 1, a chromium-contaminated soil pile is stored in the storage part, the buried shell 1 is filled with repair soil, a spraying pipe is connected to the outer surface of the storage part, the spraying pipe sprays repair liquid into the storage part, and a flow port 17 is formed in the outer surface of the buried shell 1.
A built-in support plate 2 is fixedly connected to the interior of the buried shell 1, a placing opening is formed in the built-in support plate 2, the storage part is placed in the placing opening, and the circulation opening 17 is formed in the position below the built-in support plate 2; the spraying pipe fitting comprises a liquid inlet valve member 3, when the spraying pipe fitting is used, repair liquid can be externally connected through a liquid inlet of the liquid inlet valve member 3, the liquid inlet valve member 3 is a universal liquid transfer valve device, the liquid inlet valve member 3 is fixed on the outer surface of the upper end of the built-in support plate 2, a liquid outlet of the liquid inlet valve member 3 is connected with a communicating pipe 4, the communicating pipe 4 is positioned below the built-in support plate 2, the outer surface of the communicating pipe 4 is connected with a plurality of groups of connecting pipes 5, the other ends of the connecting pipes 5 are fixedly connected with inserting pipes 6, the inserting pipes 6 are inserted into the storage member to discharge liquid, and the liquid discharge can be controlled by electric control valves therein; the storage part comprises an outer hidden pipe 8, an inner hidden pipe 9 is placed in the outer hidden pipe 8, the inner hidden pipe 9 and the outer hidden pipe 8 can rotate relatively, a fixing part 7 and a limiting part 14 are respectively arranged between the inner hidden pipe 9 and the outer hidden pipe 8, the fixing part 7 prevents the inner hidden pipe 9 and the outer hidden pipe 8 from being separated, the limiting part 14 limits the rotation of the inner hidden pipe 9 and the outer hidden pipe 8, and the outer surfaces of the inner hidden pipe 9 and the outer hidden pipe 8 are both provided with a communication hole 11 and an insertion hole 12; when the chromium-polluted soil remediation treatment is not carried out, the communication holes 11 of the built-in pipe fitting 9 and the built-in pipe fitting 8 are not communicated with each other, and the insertion holes 12 are not communicated with each other; when the chromium-polluted soil remediation treatment is carried out, the built-in pipe 9 and the communication hole 11 of the built-in pipe 8 are communicated with each other, and the insertion holes 12 are communicated with each other; the surface of the hole wall of the insertion hole 12 is provided with a thread structure, the insertion pipe 6 is inserted into the concealed pipe fitting 9 through the thread structure, and the thread connection mode is very stable; the upper ends of the hidden pipe 8 and the hidden pipe 9 are provided with edge plates, the edge plates are used for being placed and used in cooperation with the built-in supporting plate 2, the outer surface of each edge plate is provided with a plurality of groups of screw holes, the fixing piece 7 is a fixing bolt, and the hidden pipe 8 and the hidden pipe 9 are fixedly connected through the fixing bolt; the outer surface of the hidden pipe 8 is provided with a limiting screw hole penetrating through the wall surface, the outer surface of the hidden pipe 9 is provided with two groups of limiting holes 15, the limiting piece 14 is a screw piece, and the screw piece is connected with the limiting screw hole and one group of limiting holes 15 when the chromium-polluted soil is not repaired; in a state in which the soil remediation treatment for chromium contamination is to be carried out, the screw member connects the limiting screw hole with the other set of limiting holes 15; the outer surface of the lower end of the external pipe 8 is provided with a connecting hole 13, the outer surface of the lower end of the internal pipe 9 is fixedly connected with a connecting piece 16, the connecting piece 16 is connected with a driving piece 10, the driving piece 10 can adopt a driving motor, the specific type of the driving motor can be selected according to the size and the weight of the actual internal pipe 9, in the embodiment, the driving motor is firstly fixed on the outer surface of the lower end of the embedded shell 1, after the external pipe 8 and the internal pipe 9 are installed, the output shaft of the driving motor is connected with the connecting piece 16, and the driving motor drives the internal pipe 9 to rotate.
It should be noted that, when the heap leaching repair system for chromium contaminated soil is used, the contaminated chromium soil can be smashed and mixed with the soil with the mixing agent, and then the soil is loaded into the built-in pipe fitting 9, at this time, the built-in pipe fitting 9 and the built-out pipe fitting 8 are in a state of not performing chromium contaminated soil repair treatment, at this time, the communication holes 11 of the built-in pipe fitting 9 and the built-in pipe fitting 8 are not communicated with each other, the insertion holes 12 are not communicated with each other and are arranged in a staggered manner, and at this time, the fixing member 7 fixes the built-in pipe fitting 8 and the built-in pipe fitting 9, the fixed built-in pipe fitting 8 and the built-in pipe fitting 9 are usually placed into the buried shell 1 by a crane and connected with the output shaft of the driving member 10, the fixing member 7 and the limiting member 14 are contacted, the driving member 10 is started to drive the built-in pipe fitting 9 to rotate to another limiting hole 15 to coincide with the limiting screw hole, and the limiting member 7 and the limiting member 14 are reinstalled, meanwhile, the threaded structure on the surface of the insertion pipe 6 is utilized to be in threaded connection with the insertion hole 12, after the installation is finished, soil is filled into the buried shell 1 through the flow opening 17, after the soil is filled, the flow opening 17 can be sealed, the liquid inlet valve member 3 is utilized to fill repair liquid into the built-in pipe fitting 9 every day at regular time, in addition, when the maintenance is carried out, the sealed flow opening 17 is firstly opened, the detection is carried out along the outward direction and the inward direction, if necessary, the soil outside the externally-buried pipe fitting 8 can be cleaned, the refilling is carried out, the polluted soil repair in the built-in pipe fitting 9 is assisted, and the whole device is relatively practical.
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 (6)
1. The heap leaching remediation system for the chromium-contaminated soil is characterized by comprising a buried shell (1), wherein the buried shell (1) is buried below the ground, a storage part is placed inside the buried shell (1), a chromium-contaminated soil pile is stored in the storage part, remediation soil is filled in the buried shell (1), a spraying pipe is connected to the outer surface of the storage part and sprays remediation liquid into the storage part, a flow opening (17) is formed in the outer surface of the buried shell (1), a built-in support plate (2) is fixedly connected inside the buried shell (1), a placement opening is formed in the built-in support plate (2), the storage part is placed in the placement opening, the flow opening (17) is formed in the position below the built-in support plate (2), and the remediation soil is filled in the buried shell (1) through the flow opening (17), the spraying pipe fitting comprises a liquid inlet valve member (3), the liquid inlet valve member (3) is fixed on the outer surface of the upper end of a built-in support plate (2), a liquid outlet of the liquid inlet valve member (3) is connected with a communicating pipe (4), the communicating pipe (4) is positioned below the built-in support plate (2), the outer surface of the communicating pipe (4) is connected with a plurality of groups of connecting pipes (5), the tail end of each connecting pipe (5) is fixedly connected with an inserting pipe (6), the inserting pipe (6) is inserted into a storage part to discharge liquid, the storage part comprises an outer hidden pipe (8), an inner hidden pipe (9) is placed inside the outer hidden pipe (8), the inner hidden pipe (9) and the outer hidden pipe (8) can rotate relatively, a fixing member (7) and a limiting member (14) are correspondingly arranged on the inner hidden pipe (9) and the outer hidden pipe (8), and the fixing member (7) prevents the inner hidden pipe (9) from being separated from the outer hidden pipe (8), the limiting piece (14) limits the rotation of the built-in pipe (9) and the external pipe (8), and the outer surfaces of the built-in pipe (9) and the external pipe (8) are provided with a communication hole (11) and an insertion hole (12).
2. The chromium-contaminated soil heap leaching remediation system of claim 1, wherein: when the chromium-polluted soil remediation treatment is not carried out, the communication holes (11) of the built-in pipe fitting (9) and the built-in pipe fitting (8) are not communicated with each other, and the insertion holes (12) are not communicated with each other; when the chromium-contaminated soil is repaired, the communication holes (11) of the built-in pipe (9) and the built-in pipe (8) are communicated with each other, and the insertion holes (12) are communicated with each other.
3. The chromium-contaminated soil heap leaching remediation system of claim 2, wherein: the surface of the hole wall of the insertion hole (12) is provided with a thread structure, and the insertion pipe (6) is inserted into the concealed pipe fitting (9) through the thread structure.
4. The chromium-contaminated soil heap leaching remediation system of claim 3, wherein: the upper ends of the hidden pipe fittings (8) and the hidden pipe fittings (9) are respectively provided with an edge plate, the outer surfaces of the edge plates are provided with a plurality of groups of screw holes, the fixing pieces (7) are fixing bolts, and the hidden pipe fittings (8) and the hidden pipe fittings (9) are fixedly connected through the fixing bolts.
5. The chromium-contaminated soil heap leaching remediation system of claim 4, wherein: the outer surface of the externally hidden pipe fitting (8) is provided with a limiting screw hole penetrating through a wall surface, the outer surface of the internally hidden pipe fitting (9) is provided with two groups of limiting holes (15), the limiting piece (14) is a screw piece, and the screw piece is connected with the limiting screw hole and one group of limiting holes (15) when the chromium-polluted soil remediation treatment is not carried out; in a state in which the soil remediation treatment for chromium contamination is to be carried out, the screw member connects the defining screw hole with another set of defining holes (15).
6. The chromium-contaminated soil heap leaching remediation system of claim 5, wherein: the outer surface of the lower end of the outer hidden pipe fitting (8) is provided with a connecting hole (13), the outer surface of the lower end of the inner hidden pipe fitting (9) is fixedly connected with a connecting piece (16), and the connecting piece (16) is connected with a driving piece (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535800.9A CN111922056B (en) | 2020-06-12 | 2020-06-12 | Chromium contaminated soil's heap leaching repair system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535800.9A CN111922056B (en) | 2020-06-12 | 2020-06-12 | Chromium contaminated soil's heap leaching repair system |
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| Publication Number | Publication Date |
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| CN111922056A CN111922056A (en) | 2020-11-13 |
| CN111922056B true CN111922056B (en) | 2021-12-21 |
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| CN202010535800.9A Active CN111922056B (en) | 2020-06-12 | 2020-06-12 | Chromium contaminated soil's heap leaching repair system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112853092B (en) * | 2021-01-04 | 2022-12-20 | 南昌大学 | Heap leaching method |
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| JP2009279489A (en) * | 2008-05-20 | 2009-12-03 | Panasonic Corp | Method of purifying contaminated soil and/or ground water |
| CN204602791U (en) * | 2015-04-03 | 2015-09-02 | 北京建工环境修复股份有限公司 | The dystopy reaction system that chromium-polluted soil is repaired |
| CN105728449A (en) * | 2016-04-20 | 2016-07-06 | 河北农业大学 | Soil remediation device and method for soil remediation by using same |
| CN105798056A (en) * | 2016-04-20 | 2016-07-27 | 河北农业大学 | Screw-in soil remediation device and method for soil remediation by using same |
| CN106345801A (en) * | 2016-11-18 | 2017-01-25 | 北京高能时代环境技术股份有限公司 | Dump leaching restoration system and restoration process of chromium pollution soil |
| CN210059315U (en) * | 2019-04-23 | 2020-02-14 | 广州南大环保科技有限公司 | Simple novel soil remediation device |
-
2020
- 2020-06-12 CN CN202010535800.9A patent/CN111922056B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009279489A (en) * | 2008-05-20 | 2009-12-03 | Panasonic Corp | Method of purifying contaminated soil and/or ground water |
| CN204602791U (en) * | 2015-04-03 | 2015-09-02 | 北京建工环境修复股份有限公司 | The dystopy reaction system that chromium-polluted soil is repaired |
| CN105728449A (en) * | 2016-04-20 | 2016-07-06 | 河北农业大学 | Soil remediation device and method for soil remediation by using same |
| CN105798056A (en) * | 2016-04-20 | 2016-07-27 | 河北农业大学 | Screw-in soil remediation device and method for soil remediation by using same |
| CN106345801A (en) * | 2016-11-18 | 2017-01-25 | 北京高能时代环境技术股份有限公司 | Dump leaching restoration system and restoration process of chromium pollution soil |
| CN210059315U (en) * | 2019-04-23 | 2020-02-14 | 广州南大环保科技有限公司 | Simple novel soil remediation device |
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