CN113279390B - Drainage system for weak beach surface of tailing pond, tailing pond and application - Google Patents
Drainage system for weak beach surface of tailing pond, tailing pond and application Download PDFInfo
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- CN113279390B CN113279390B CN202110841280.9A CN202110841280A CN113279390B CN 113279390 B CN113279390 B CN 113279390B CN 202110841280 A CN202110841280 A CN 202110841280A CN 113279390 B CN113279390 B CN 113279390B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
- E02D3/103—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by installing wick drains or sand bags
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/20—Siphon pipes or inverted siphons
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Abstract
The invention provides a drainage system for a weak beach surface of a tailing pond, the tailing pond and application, and relates to the technical field of tailing pond treatment. The drainage and seepage system is characterized in that a plurality of siphon water pipes are arranged in different closed cavities in the drainage and seepage pipe, so that the siphon water pipes can be used for conducting seepage, and a plurality of closed cavities of a seepage section are used for sectionally draining water, so that the sectional pressure control is realized, the pressure caused by insufficient drainage can be effectively prevented from being transmitted to the front of a dam; in addition, by forming a plurality of closed chambers in the drainage pipe and connecting the outlet end of the drainage pipe with the liquid seal structure, air can be prevented from entering the drainage pipe, thereby improving the problem of failure of the drainage pipe caused by chemical blockage due to air entering. The invention also provides a tailing pond, which comprises the drainage system for the weak beach surface of the tailing pond.
Description
Technical Field
The invention relates to the technical field of tailing pond treatment, in particular to a drainage system for a weak beach surface of a tailing pond, the tailing pond and application.
Background
At present, the drainage and seepage method of the tailing pond mainly adopts the following forms of laying a seepage pipe, a drainage blind ditch, a drainage and seepage mat and the like, a certain drainage and seepage effect is achieved, but the construction of drainage and seepage facilities needs to be carried out on a hard beach of a pond area. On the soft beach surface, mechanical equipment cannot enter the field, construction difficulty is high, the soft beach is mostly in an undercured state, uneven deformation is large, seepage drainage facilities are easy to break, gullies cannot be excavated, or seepage drainage facilities cannot be erected, so that development of a seepage drainage technology with feasibility on the soft beach surface is urgent.
In view of the above, the present invention is particularly proposed to solve at least one of the above technical problems.
Disclosure of Invention
The invention aims to provide a drainage system for the weak beach surface of a tailing pond, which is used for solving the technical problems of complex construction and high difficulty of drainage facilities, easy breakage and failure of the drainage facilities and the like in the prior art.
The second purpose of the invention is to provide a tailings pond.
The third purpose of the invention is to provide the application of the drainage system for the weak beach surface of the tailing pond.
In order to solve the above-mentioned purpose, the technical scheme of the invention is as follows:
the invention provides a drainage system for a soft beach surface of a tailing pond, which comprises a drainage pipe and a liquid seal structure, wherein the drainage pipe is positioned on the soft beach surface, and the water outlet end of the drainage pipe is connected with the liquid seal structure;
follow it divides into infiltration section and water guide section with it to arrange infiltration pipe length direction, it has seted up row's infiltration hole on the row's infiltration pipe that the infiltration section corresponds, arrange and set up a plurality of sealing members and a plurality of siphon aqueduct in the infiltration pipe, the sealing member is located the infiltration section will seep water the section and separate for a plurality of airtight cavities, it is a plurality of siphon aqueduct is followed arrange the infiltration pipe axial setting, it is a plurality of the siphon aqueduct runs through in the sealing member stretches into different airtight cavities to make every airtight cavity equipartition be equipped with the end of intaking of siphon aqueduct, the water outlet end of siphon aqueduct with the liquid seal structural connection.
Further, on the basis of the technical scheme of the invention, the pipe diameter of the siphon aqueduct is 3.0-4.5 mm;
preferably, the siphon water guide pipe is a siphon water guide hose.
Further, on the basis of the technical scheme, the elevation of the liquid seal structure is 5-10m lower than the maximum elevation of the installation of the drainage pipe.
Further, on the basis of the above technical scheme of the present invention, the liquid seal structure is a V-shaped liquid seal structure;
preferably, the liquid seal structure is connected with a drainage ditch on the surface of the tailing pond dam.
Further, on the basis of the technical scheme of the invention, the pipe diameter of the seepage drainage pipe is 30-300 mm;
and a telescopic sleeve is sleeved outside the seepage discharge pipe corresponding to the water guide section.
Further, on the basis of the technical scheme of the invention, the outer side of the seepage discharge pipe corresponding to the seepage section is wrapped with seepage discharge materials;
preferably, the seepage drainage material comprises any one of geotextile, nylon net or white steel net.
Further, on the basis of the technical scheme of the invention, the drainage and seepage pipes corresponding to the seepage sections are arranged on the soft beach surface in a straight line or a curve.
Further, on the basis of the technical scheme of the invention, the drainage system for the weak beach surface of the tailing pond also comprises a floating body, and the floating body is positioned outside the drainage pipe and arranged along the length direction of the drainage pipe.
The invention also provides a tailing pond, which comprises the drainage system for the weak beach surface of the tailing pond.
The invention also provides application of the drainage system for the weak beach surface of the tailing pond in tailing treatment.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a drainage system for a soft beach surface of a tailing pond, which comprises a drainage pipe and a liquid seal structure, wherein the drainage pipe is divided into a water seepage section and a water guide section along the length direction of the drainage pipe;
according to the drainage and seepage system, the plurality of siphon water pipes are arranged in different closed chambers in the drainage and seepage pipe, so that on one hand, the siphon water pipes can be used for conducting seepage, on the other hand, the plurality of closed chambers in the seepage section are used for sectionally draining water, sectional pressure control is realized, pressure caused by insufficient drainage can be effectively prevented from being transmitted to the front of a dam, and accordingly piping damage in the front of the dam is prevented;
in addition, by forming a plurality of closed chambers in the drainage pipe and connecting the outlet end of the drainage pipe with the liquid seal structure, air can be prevented from entering the drainage pipe, thereby improving the problem of failure of the drainage pipe caused by chemical blockage due to air entering.
(2) The invention provides a tailing pond, which comprises a seepage drainage system on the weak beach surface of the tailing pond. In view of the advantages of the drainage and seepage system, the drainage and seepage system can be used as a pre-drainage and seepage facility, can quickly drain water, accelerate the consolidation of the beach face and deeply control the seepage line of the dam body of the tailing pond at the later stage.
(3) The invention provides the application of the drainage system for the weak beach surface of the tailing pond, and the drainage system has good application in the field of tailing pond treatment in view of the advantages of the drainage system for the weak beach surface of the tailing pond.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a drainage system for weak beach surfaces of a tailing pond according to an embodiment of the invention;
fig. 2 is a drainage system for a weak beach surface of a tailing pond in another embodiment provided by the invention.
Reference numerals: 1-initial dam; 2-stacking a dam; 3-soft beach surface; 4-a wetting line; 10-seepage drainage pipe; 11-a water seepage section; 12-a water conducting section; 13-a seal; 14-siphon aqueduct; 15-telescopic pipe; 20-liquid seal structure.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
According to a first aspect of the invention, a drainage system for a weak beach surface of a tailing pond is provided, and is specifically shown in fig. 1 and fig. 2. The seepage drainage system can be arranged on the initial dam 1 or the stacking dam 2 and specifically comprises a seepage drainage pipe 10 and a liquid seal structure 20, wherein the seepage drainage pipe 10 is positioned on a weak beach surface, and the water outlet end of the seepage drainage pipe 10 is connected with the liquid seal structure 20.
The drainage pipe 10 is divided into a water seepage section 11 and a water guide section 12 along the length direction of the drainage pipe 10, a drainage hole (not shown in the figure) is formed in the drainage pipe 10 corresponding to the water seepage section 11, a plurality of sealing elements 13 and a plurality of siphon water guide pipes 14 are arranged in the drainage pipe 10, the sealing elements 13 are located in the water seepage section 11 and divide the water seepage section 11 into a plurality of closed chambers, the siphon water guide pipes 14 are arranged along the length direction of the drainage pipe 10, the siphon water guide pipes 14 penetrate through the sealing elements 13 and extend into different closed chambers, so that the water inlet ends of the siphon water guide pipes 14 are uniformly distributed in each closed chamber, and the water outlet ends of the siphon water guide pipes 14 are connected with a liquid seal structure 20.
Specifically, the drainage pipe 10 is divided into a water seepage section 11 and a water guide section 12 along the length direction of the drainage pipe 10. The length direction of the infiltration discharge duct 10 is also understood to be its axial direction. The water seepage section 11 is mainly close to the water inlet end of the seepage drainage pipe 10, and the water guide section 12 is mainly close to the water outlet end of the seepage drainage pipe 10. The drainage pipe 10 corresponding to the water seepage section 11 is provided with drainage holes, and the water seepage section 11 is divided into a plurality of closed chambers by sealing elements 13.
A plurality of siphon aqueducts 14 are arranged in the seepage drainage pipe 10 along the length direction of the seepage drainage pipe 10, the water inlet ends of the siphon aqueducts 14 penetrate through the sealing piece 13 and enter different sealed cavities of the seepage section 11, and the water outlet ends of the siphon aqueducts 14 are positioned in the water guiding section 12 and are communicated with the liquid seal structure 20. That is, each closed chamber is provided with the water inlet end of the siphon water conduit 14. Seepage water in the tailings can enter the closed chamber through the seepage drainage holes and enter the siphon water guide pipe 14 through the water inlet end of the siphon water guide pipe 14, and then water drainage is realized by utilizing the siphon effect of the siphon water guide pipe 14.
The siphon pilot conduit 14 has a small pipe diameter, for example, 3.0-4.5mm, with typical but non-limiting pipe diameters being 3.0mm, 3.2mm, 3.5mm, 3.6mm, 3.8mm, 4.0mm, 4.2mm, 4.4mm, or 4.5 mm. The siphon water guide pipe 14 has a small pipe diameter, the maximum diameter of non-broken bubbles in water is met, the phenomenon that the bubbles in the pipeline are gathered to influence siphon is avoided, and the long-term effectiveness of the siphon phenomenon is guaranteed.
The number of siphon pipes 14 is not particularly limited, and may be determined according to the actual drainage requirement and the diameter of the drainage pipe 10.
The diameter of the seepage drainage pipe 10 is not particularly limited, and can be selected according to the site conditions of the tailings dam, and can be DN50-DN300, for example. The material of the infiltration discharging pipe 10 is not particularly limited, and for example, it may be made of polyethylene, i.e., PE pipe. The length of the seepage drainage pipe 10 can be arranged according to the seepage drainage requirement of the tailings pond. The infiltration discharge pipe 10 can be connected by adopting a hot melting pipe fitting.
According to the drainage system provided by the invention, the plurality of siphon water pipes are arranged in different closed chambers in the drainage pipe, so that on one hand, the siphon water pipes can be used for conducting seepage, on the other hand, the plurality of closed chambers in the seepage section are used for sectionally draining water, the sectional pressure control is realized, and the pressure caused by insufficient drainage can be effectively prevented from being transmitted to the front of the dam, so that piping damage in the front of the dam is prevented, and meanwhile, the plurality of closed chambers are arranged, so that other closed chambers can still normally work even if a certain closed area has a pipe breakage phenomenon, and the problem of failure after the drainage pipe is broken is solved.
Furthermore, by forming a plurality of closed chambers in the drainage pipe and connecting the outlet end of the drainage pipe with the liquid seal structure, air can be prevented from entering the drainage pipe, thereby improving the problem of failure of the drainage pipe caused by chemical blockage due to air entering.
In addition, the drainage system is used as a pre-drainage facility in the early stage, can drain water quickly, accelerate beach consolidation and can control the dam body seepage line 4 deeply in the later stage.
As an optional implementation manner of the invention, the peripheral pipe wall of the seepage discharge pipe corresponding to the seepage section is provided with seepage discharge holes.
The shape and aperture of the drainage holes are not limited in particular, and can be round or square, and the drainage holes are preferably distributed in a plum blossom shape.
As an optional implementation mode of the invention, the outer side of the seepage discharge pipe corresponding to the seepage section is wrapped with seepage discharge materials.
The seepage drainage material can prevent fine particles brought out along with seepage from directly entering the siphon aqueduct so as to be led into the blockage of the siphon aqueduct. The composite of the seepage drainage material and the seepage drainage pipe can obtain better seepage drainage effect.
The materials for drainage can be selected from those commonly used in the art. As an alternative embodiment of the present invention, the seepage drainage material comprises any one of geotextile, nylon mesh or white steel mesh.
As an optional embodiment of the invention, the drainage pipes corresponding to the water seepage section 11 can be arranged in a straight line or a curve on the soft beach surface 3.
The curvilinear arrangement may be, for example, arcuate, S-shaped, or otherwise shaped. The seepage drainage pipes 10 are arranged according to curves, so that the seepage area of a seepage drainage facility can be increased, and the possibility of fracture of the seepage drainage pipes caused by uneven settlement can be reduced.
As an alternative embodiment of the present invention, a telescopic tube 15 is sleeved outside the drainage tube 10 corresponding to the water guide section 12.
Because the length of the needed seepage drainage pipe 10 is longer in the actual seepage drainage process, the plurality of sections of seepage drainage pipes can be formed by connecting hot melting pipe fittings. Under uneven settlement, the joints of the multi-section seepage drainage pipes are easy to deform, so that the telescopic sleeves 15 with the pipe diameter slightly larger than that of the seepage drainage pipes can be arranged at the joints of the multi-section seepage drainage pipes. The telescopic tube 15 can prevent the seepage drainage tube from shearing and breaking under the condition of uneven settlement.
That is, the outer sleeve of the infiltration discharge pipe 10 is provided with an expansion sleeve 15 whose inner diameter is slightly larger than the outer diameter of the infiltration discharge pipe 10, and the material of the expansion sleeve 15 may be the same as that of the infiltration discharge pipe 10, for example, it may be a PE pipe. The length of the telescopic tube 15 is not limited, and may be equal to the length of the drainage pipe 10 corresponding to the water guide section 12, or may be smaller than the length of the drainage pipe 10 corresponding to the water guide section 12, for example, the length is 2 to 6 m. The interface of the telescopic tube 15 is not welded by hot melting any more, and a sufficient deformation length is reserved.
Both ends of the telescopic tube 15 can be wrapped by geotextile to adapt to the uneven deformation of the water guide section.
As an alternative embodiment of the present invention, the siphon water conduit is a siphon water hose. The hose is adopted, so that the siphon phenomenon is effective for a long time (the siphon phenomenon cannot be damaged due to air accumulation), and meanwhile, the reserved deformation of the siphon water guide hose can still work normally under the condition that the outer side seepage drainage pipe is broken.
As an optional embodiment of the invention, the elevation of the liquid seal structure is 5-10m lower than the maximum installation elevation of the drainage pipe. For example, the elevation of the liquid seal structure may be 5m, 6m, 7m, 8m, 9m or 10m lower than the installation maximum elevation of the drainage pipe.
And the siphon effect is formed by limiting the difference value between the elevation of the liquid seal structure and the maximum elevation of the installation of the drainage pipe.
As an alternative embodiment of the present invention, the material of the sealing member is not particularly limited as long as it can divide the water permeable section into a plurality of closed chambers. Because of the need to be in contact with water penetration, the seal should have some resistance to corrosion and aging.
The seal may be a specific structural member or may be formed by a super glue. Namely, the siphon aqueduct is fixed in the drainage pipe by the super glue, and the water seepage section is divided into a plurality of closed chambers.
As an alternative embodiment of the present invention, the liquid seal structure is a V-shaped liquid seal structure. Through the further restriction to the liquid seal structure for air can not get into in the siphon aqueduct, also avoid the siphon aqueduct water yield reduce back export and air contact scale deposit jam.
As an optional implementation mode of the invention, the liquid seal structure is connected with the drainage ditch on the surface of the tailing pond dam. When the drainage pipe is laid to the outer toe of the tailing dam, the water outlet end of the drainage pipe is connected with a liquid seal structure, the liquid seal structure can be placed in a drainage ditch on the surface of the tailing dam, and seepage water flows out of the water outlet of the liquid seal structure and enters the drainage ditch on the surface of the tailing dam to be collected uniformly.
As an optional implementation mode of the invention, the drainage system for the weak beach surface of the tailing pond further comprises a floating body, and the floating body is positioned outside the drainage pipe and arranged along the length direction of the drainage pipe.
Because the weak beach face is mostly in an under-consolidated state, the uneven deformation is large, the bearing capacity is insufficient, and the floating body has certain buoyancy on the weak beach face, the large bearing capacity can not be caused to the weak beach face, so the laying of the drainage and seepage pipe is realized by utilizing the floating body. The specific shape of the floating body is not limited, and the floating body can be a buoyancy tank or a buoyancy bucket.
When the drainage and seepage system is laid on the soft beach surface of the tailing pond, the floating bodies can be connected to form floating bridges, and then drainage and seepage pipes are laid. In the laying process, large-scale construction machinery is not needed, the construction is simple and convenient, and the engineering investment is greatly reduced. And in the later period, after the seepage drainage pipe is laid, the floating body can be evacuated.
After the arrangement of the drainage and seepage system is finished, the tailing pond can be normally drawn, the water seepage in the tailing dam gradually submerges the water inlet end of the siphon aqueduct, the water seepage is sucked into the siphon aqueduct by starting a vacuum pump connected with the outside (the vacuum pump can be closed after the starting), and then the water seepage flows out from the water outlet end of the drainage and seepage pipe. Along with the further increase of the seepage water, the water pressure in the closed cavity is gradually increased, and the seepage water is discharged under the combined action of the water pressure and the siphon.
It should be noted that the drainage system is arranged on the surface of the tailing beach, and no requirement is imposed on the laying gradient. The paving slope can be horizontal or have a certain slope, for example, the paving slope can be 2 per thousand to 5 percent, and the typical but non-limiting paving slope is 2 per thousand, 5 per thousand, 8 per thousand, 1 percent, 2 percent, 3 percent, 4 percent or 5 percent.
According to the second aspect of the invention, the invention also provides a tailings pond, which comprises the drainage system for the weak beach surface of the tailings pond.
The number of the tailing pond in the drainage system is not limited to one, and can be a plurality. A plurality of drainage and seepage systems can be arranged on the tailing dam face according to the field condition. For example, the same stage of dams can be arranged at intervals of 5-20m, each stage of sub dams can be arranged, and the sub dams can be arranged at intervals of different stages according to the field condition.
According to the third aspect of the invention, the application of the drainage system for the weak beach surface of the tailing pond in tailing treatment is also provided.
In view of the advantages of the drainage system on the weak beach surface of the tailing pond, the drainage system has good application in the field of tailing pond treatment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The drainage and seepage system for the soft beach surface of the tailing pond is characterized by comprising a drainage and seepage pipe and a liquid seal structure, wherein the drainage and seepage pipe is positioned on the soft beach surface, and the water outlet end of the drainage and seepage pipe is connected with the liquid seal structure;
follow it divides into infiltration section and water guide section with it to arrange infiltration pipe length direction, it has seted up row's infiltration hole on the row's infiltration pipe that the infiltration section corresponds, arrange and set up a plurality of sealing members and a plurality of siphon aqueduct in the infiltration pipe, the sealing member is located the infiltration section will seep water the section and separate for a plurality of airtight cavities, it is a plurality of siphon aqueduct is followed arrange the infiltration pipe axial setting, it is a plurality of the siphon aqueduct runs through in the sealing member stretches into different airtight cavities to make every airtight cavity equipartition be equipped with the end of intaking of siphon aqueduct, the water outlet end of siphon aqueduct with the liquid seal structural connection.
2. The tailings pond weak beach surface drainage system of claim 1, wherein the pipe diameter of the siphon aqueduct is 3.0-4.5 mm;
the siphon water guide pipe is a siphon water guide hose.
3. The tailings pond weak beach surface drainage system of claim 1, wherein the elevation of the liquid seal structure is 5-10m lower than the maximum elevation of drainage pipe installation.
4. The tailings pond weak beach surface drainage system of claim 1 wherein the liquid seal structure is a V-shaped liquid seal structure;
the liquid seal structure is connected with a drainage ditch on the surface of the tailing pond dam.
5. The tailings pond weak beach surface drainage system of claim 1, wherein the pipe diameter of the drainage pipe is 30-300 mm;
and a telescopic sleeve is sleeved outside the seepage discharge pipe corresponding to the water guide section.
6. The drainage system for the weak beach surfaces of the tailings ponds according to any one of claims 1 to 5, wherein the drainage pipes corresponding to the water seepage sections are wrapped with drainage materials;
the seepage drainage material comprises any one of geotextile, nylon net or white steel net.
7. The tailings pond weak beach surface drainage system according to any one of claims 1 to 5, wherein the drainage pipes corresponding to the water seepage section are arranged on the weak beach surface in a straight line or a curve.
8. The tailings pond weak beach surface drainage system of any one of claims 1 to 5, further comprising a floating body, wherein the floating body is positioned outside the drainage pipe and arranged along the length direction of the drainage pipe.
9. A tailings pond, characterized in that it comprises the drainage system for weak beach of any one of claims 1 to 8.
10. The use of the tailings pond weak beach drainage system of any one of claims 1 to 8 in tailings treatment.
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| CN202110841280.9A CN113279390B (en) | 2021-07-26 | 2021-07-26 | Drainage system for weak beach surface of tailing pond, tailing pond and application |
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| CN202110841280.9A CN113279390B (en) | 2021-07-26 | 2021-07-26 | Drainage system for weak beach surface of tailing pond, tailing pond and application |
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| CN114541448A (en) * | 2022-04-06 | 2022-05-27 | 中国建筑一局(集团)有限公司 | Be used for foundation ditch earth's surface water to fall and arrange gravity type siphon device |
| CN115492131B (en) * | 2022-08-23 | 2023-06-13 | 攀钢集团矿业有限公司 | Weak beach embankment earth covering method and device for tail part of tailing pond |
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| CN201037814Y (en) * | 2007-06-13 | 2008-03-19 | 中国科学院沈阳应用生态研究所 | Batch collecting device for soil solution of different soil layer depth |
| CN102296622A (en) * | 2011-05-19 | 2011-12-28 | 周昕 | Micro-pipe bundle seepage pipe for tailings |
| JP6830625B2 (en) * | 2016-03-03 | 2021-02-17 | 日鉄建材株式会社 | Extrusion jig for multi-stage drainage pipe and extrusion method for multi-stage drainage pipe |
| CN111206563A (en) * | 2020-01-15 | 2020-05-29 | 浙江大学 | Slope siphon drainage device with composite pipe diameter |
| CN111549776B (en) * | 2020-05-18 | 2021-09-03 | 矿冶科技集团有限公司 | Drainage and seepage method, drainage and seepage system and application of fine-grained tailing pond |
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