CN112575870A - Dam body seepage drainage facility arrangement structure for wet-method discharge tailing pond and construction method - Google Patents
Dam body seepage drainage facility arrangement structure for wet-method discharge tailing pond and construction method Download PDFInfo
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- CN112575870A CN112575870A CN201910930655.1A CN201910930655A CN112575870A CN 112575870 A CN112575870 A CN 112575870A CN 201910930655 A CN201910930655 A CN 201910930655A CN 112575870 A CN112575870 A CN 112575870A
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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
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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Abstract
The invention relates to a dam body seepage drainage facility arrangement structure and a construction method of a wet-method discharge tailing pond, which comprises a primary dam and a stacking dam, wherein the bottoms of the primary dam and the stacking dam are provided with seepage drainage blind ditches, one end of each seepage drainage blind ditch is connected with a vertical seepage drainage well in the tailing pond, the other end of each seepage drainage blind ditch is connected with a water return pond outside the tailing pond, the primary dam and the stacking dam are arranged between the vertical seepage drainage wells and the water return pond, a horizontal seepage drainage pipe is arranged in the stacking dam above the seepage drainage blind ditches, and the horizontal seepage drainage pipe is connected to the vertical seepage drainage wells in a slope direction. The drainage and seepage blind ditch is built outside the sloping direction reservoir at the initial stage, the horizontal drainage and seepage pipe is built in the sloping direction reservoir at the later stage, the drainage and seepage blind ditch is communicated with the horizontal drainage and seepage pipe through the vertical drainage and seepage well and the water guide pipe, and a three-dimensional drainage and seepage net is formed in the tailing dam to improve the drainage and seepage function of a drainage and seepage facility. The arrangement mode of the seepage drainage facilities has convenient construction and easy quality control, can effectively ensure the reliability of the seepage drainage facilities in the dam body, and realizes the long-term effective purpose of the seepage drainage facilities.
Description
Technical Field
The invention relates to a drainage and seepage arrangement structure of a tailing pond, in particular to a dam body drainage and seepage facility arrangement structure and a construction method of a wet-method discharge tailing pond.
Background
The drainage and seepage facility is an important guarantee measure for the safe operation of the tailing dam, and three modes can be adopted when the drainage and seepage facility of the tailing dam is arranged: horizontal drainage and vertical drainage, and horizontal and vertical combined drainage. In engineering practice, in order to ensure the drainage and seepage effect, a horizontal and vertical combined drainage and seepage mode is generally adopted, but long-term observation shows that after the combined drainage and seepage facility operates for a period of time, the drainage efficiency is reduced quickly, and even the drainage function is lost. The reasons for this include the following: the traditional horizontal drainage and seepage pipe is generally laid along the reverse direction of the stacking beach surface, and the laying gradient is from the inner slope of the reservoir to the outer slope of the reservoir, so that the extension section of the horizontal drainage and seepage pipe in the reservoir needs to be erected in air, and the flexible drainage and seepage pipe is difficult to be ideally arranged according to the designed gradient; the construction of the tailing pond accumulation dam is generally completed by a user unit, compared with a construction unit with professional qualifications, the construction method has insufficient technical strength, and the phenomenon that a horizontal drainage and seepage pipe which is laid on a reverse slope is directly laid along the accumulation beach surface on site often occurs; except for construction quality factors, after the horizontal infiltration discharge pipe is laid, the drainage direction is opposite to the ore drawing direction, and the middle section and the tail section of the horizontal infiltration discharge pipe are easy to block. Based on the three reasons, after the drainage and seepage facility of the tailing pond operates for a period of time, the drainage efficiency is reduced quickly, and even the drainage function is lost, so that the infiltration line inside the dam body is too high, and the safety degree of the dam body is reduced.
Disclosure of Invention
The invention aims to solve the problems, provides a dam body seepage drainage facility arrangement structure for a wet-method discharge tailing pond and a construction method, and aims to effectively solve the problems that a horizontal seepage drainage pipe needs to be erected in a reverse slope and in the air, the construction technical requirement is high, and the seepage drainage facility fails due to the fact that the drainage direction is opposite to the ore drawing direction, improve the reliability of the seepage drainage facility and realize long-term effectiveness of the seepage drainage facility.
The arrangement structure of the dam body seepage drainage facility for the wet-method discharge tailing pond comprises an initial dam and a stacking dam, wherein the bottoms of the initial dam and the stacking dam are provided with seepage drainage blind ditches, one end of each seepage drainage blind ditch is connected with a vertical seepage drainage well in the tailing pond, the other end of each seepage drainage blind ditch is connected with a water return pond outside the tailing pond, the initial dam and the stacking dam are arranged between the vertical seepage drainage wells and the water return pond, a horizontal seepage drainage pipe is arranged in the stacking dam above the seepage drainage blind ditches, and the horizontal seepage drainage pipe is connected to the vertical seepage drainage wells in a slope direction.
The drainage and seepage blind ditches are arranged in parallel, and the integral gradient of the drainage and seepage blind ditches is from the inner slope of the reservoir to the outer slope of the reservoir.
The number of the drainage blind ditches is the same as that of the vertical drainage wells.
The horizontal drainage and seepage pipe is connected to the vertical drainage and seepage well through a water guide pipe.
The integral gradient of the horizontal seepage drainage pipe is from the outside to the inside of the reservoir.
The aqueducts are arranged along the axial direction of the accumulation dam, and are connected into the vertical drainage and seepage well in the slope direction.
The horizontal seepage drainage pipes are arranged in layers, the horizontal seepage drainage pipes on each layer are respectively connected with the water guide pipes, and the water guide pipes are connected to the vertical seepage drainage wells in layers.
A construction method of a dam body seepage drainage facility arrangement structure of a wet-method discharge tailing pond comprises the steps of constructing seepage drainage blind ditches at certain intervals in the bottom range of an initial dam in a capital construction period, constructing a vertical seepage drainage well on the inner side of the dam, and constructing a water return pond outside the pond; the drainage blind ditch is connected with a vertical drainage well at the inner side of the reservoir, and is connected with a water return pool at the outer side of the reservoir, and the integral gradient of the drainage blind ditch is from the inner slope of the reservoir to the outer slope of the reservoir; when the accumulation dam is constructed in the later period of operation, the vertical drainage well rises along with the rising of the accumulation dam; arranging a horizontal seepage drainage pipe in the accumulation dam, directly laying the horizontal seepage drainage pipe along the accumulation beach surface, wherein the slope is from the slope outside the reservoir to the reservoir, and the end of the horizontal seepage drainage pipe at the inner side of the reservoir is connected with a water guide pipe; each layer of water guide pipe in the accumulation dam is connected into a vertical drainage well, and the slope is towards the vertical drainage well; along with the gradual rise of the accumulation dam, the vertical drainage and seepage wells rise continuously, the horizontal drainage and seepage pipes in the accumulation dam are arranged layer by layer, and the horizontal drainage and seepage pipes of each layer are connected with the drainage and seepage blind ditch at the bottom of the initial dam through the water guide pipes and the vertical drainage and seepage wells to form a three-dimensional drainage and seepage network in the tailing dam.
The invention has the advantages and effects that: the drainage and seepage blind ditch is built outside the sloping direction reservoir at the initial stage, the horizontal drainage and seepage pipe is built in the sloping direction reservoir at the later stage, the drainage and seepage blind ditch is communicated with the horizontal drainage and seepage pipe through the vertical drainage and seepage well and the water guide pipe, and a three-dimensional drainage and seepage net is formed in the tailing dam to improve the drainage and seepage function of a drainage and seepage facility. The invention has convenient construction of the arrangement structure and easy quality control, effectively solves the problems of the failure of the drainage facility caused by the inverse slope and the up-air erection of the horizontal drainage and seepage pipe, high construction technical requirement and the inverse direction of the drainage direction and the ore drawing direction, improves the reliability of the drainage and seepage facility and realizes the long-term effectiveness of the drainage and seepage facility.
Drawings
FIG. 1 is a plan layout of a drainage facility of a tailing pond.
Figure 2 is a cross-sectional view of a drainage facility of a tailings pond.
Fig. 3 is a drainage walking diagram of a tailing pond.
In the figure 1, a blind drain is drained; 2. vertically draining a seepage well; 3. a horizontal seepage drainage pipe; 4. a water conduit; 5. returning to the water tank; 6. an initial dam; 7. and (5) stacking the dam.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in the figure, a dam body drainage and seepage facility arrangement structure of wet process discharge tailings pond, including initial dam 6 and pile up dam 7, be equipped with drainage and seepage french drain 1 in the bottom of initial dam 6 and pile up dam 7, drainage and seepage french drain 1 one end is connected the vertical drainage seepage well 2 in the tailings storehouse, drainage and seepage french drain 1 other end is connected the return water pond 5 outside the tailings storehouse, initial dam and pile up the dam and establish between vertical drainage seepage well 2 and return water pond 5, be equipped with horizontal drainage and seepage pipe 3 in the pile up dam above drainage and seepage french drain 1, 3 slope of horizontal drainage and seepage pipe are connected to vertical drainage seepage well 2.
The drainage and seepage blind ditches 1 are arranged in parallel, and the integral gradient of the drainage and seepage blind ditches 1 is from the inner slope of the reservoir to the outer slope of the reservoir.
The number of the drainage blind ditches 1 is the same as that of the vertical drainage wells 2.
The horizontal seepage drainage pipe 3 is connected to the vertical seepage drainage well 2 through a water guide pipe 4.
The integral gradient of the horizontal seepage-discharging pipe 3 is from the outside to the inside of the reservoir.
The aqueduct 4 is arranged along the axial direction of the accumulation dam 7, and is connected into the vertical drainage and seepage well 2 in the slope direction.
The horizontal seepage drainage pipes 3 are arranged in layers, the horizontal seepage drainage pipes 3 on each layer are respectively connected with the water guide pipes 4, and the water guide pipes (4) are connected to the vertical seepage drainage wells 2 in layers.
A construction method of a dam body seepage drainage facility arrangement structure of a wet-method discharge tailing pond comprises the steps of constructing seepage drainage blind ditches 1 in the bottom range of an initial dam at certain intervals, constructing vertical seepage drainage wells 2 in the dam, and constructing a water return pond 5 outside the pond in a capital construction period; the drainage blind ditch 1 is connected with a vertical drainage well 2 at the inner side of the warehouse, and is connected with a water return pool 5 at the outer side of the warehouse, and the integral gradient is from the inner slope of the warehouse to the outer side of the warehouse; when the accumulation dam is constructed in the later period of operation, the vertical seepage drainage well 2 rises along with the rising of the accumulation dam; arranging a horizontal seepage drainage pipe 3 in the accumulation dam, directly laying the horizontal seepage drainage pipe 3 along the accumulation beach surface, wherein the slope is from the outside of the reservoir to the inside of the reservoir, and the end of the inner side of the reservoir of the horizontal seepage drainage pipe 3 is connected with a water guide pipe 4; each layer of water guide pipe 4 in the accumulation dam is connected to the vertical drainage and seepage well 2, and the slope is towards the vertical drainage and seepage well 2; along with the gradual rise of the stacking dam, the vertical seepage drainage wells are continuously raised, the horizontal seepage drainage pipes in the stacking dam are arranged layer by layer, and each layer of horizontal seepage drainage pipe 3 is connected with the seepage drainage blind ditch 1 at the bottom of the initial dam through the water guide pipe 4 and the vertical seepage drainage well 2 to form a three-dimensional seepage drainage network in the tailing dam.
Claims (8)
1. The utility model provides a dam body drainage and seepage facility arrangement structure of wet process discharge tailing storehouse, including initial dam (6) and pile up dam (7), its characterized in that is equipped with drainage and seepage french drain (1) in the bottom of initial dam (6) and pile up dam (7), vertical row's infiltration well (2) in the tailing storehouse is connected to drainage and seepage french drain (1) one end, return water pond (5) outside the tailing storehouse is connected to drainage and seepage french drain (1) other end, initial dam and pile up the dam and establish between vertical row's infiltration well (2) and return water pond (5), be equipped with horizontal row's infiltration pipe (3) in the pile up dam of drainage and seepage french drain (1) top, horizontal row's infiltration pipe (3) slope is connected to vertical row's infiltration well (2).
2. The arrangement structure of the dam body seepage drainage facility of the wet-process discharge tailing pond according to claim 1, characterized in that the seepage drainage blind ditches (1) are arranged in parallel, and the integral gradient of the seepage drainage blind ditches (1) is from the inner slope of the pond to the outer slope of the pond.
3. The arrangement structure of dam drainage facilities of a wet discharge tailings pond according to claim 1, wherein the number of the drainage blind ditches (1) is the same as the number of the vertical drainage wells (2).
4. The arrangement structure of dam drainage facilities of a wet discharge tailings pond according to claim 1, characterized in that the horizontal drainage pipe (3) is connected to the vertical drainage well (2) through a water guide pipe (4).
5. The arrangement structure of the dam body seepage drainage facility of the wet discharge tailing pond according to the claim 4, characterized in that the integral gradient of the horizontal seepage drainage pipe (3) is from the outside of the pond to the inside of the pond.
6. The arrangement structure of the dam body seepage drainage facility of the wet discharge tailing pond according to claim 4, characterized in that the water guide pipe (4) is arranged along the axial direction of the accumulation dam (7) and is connected into the vertical seepage drainage well (2) in a sloping direction.
7. The arrangement structure of the dam body seepage drainage facility of the wet discharge tailing pond according to claim 4, characterized in that the horizontal seepage drainage pipes (3) are arranged in layers, the horizontal seepage drainage pipes (3) on each layer are respectively connected with the water guide pipe (4), and the water guide pipes (4) are connected to the vertical seepage drainage wells (2) in layers.
8. The construction method of the dam body seepage drainage facility arrangement structure of the wet discharge tailing pond according to the claim 1, characterized in that in the capital construction period, seepage drainage blind ditches (1) are built at certain intervals in the bottom range of the initial dam, vertical seepage drainage wells (2) are built on the inner side of the dam, and a water return pond (5) is built outside the pond; the drainage blind ditch (1) is connected with a vertical drainage well (2) at the inner side of the warehouse, and is connected with a water return pool (5) at the outer side of the warehouse, and the integral gradient of the drainage blind ditch is from the inner slope of the warehouse to the outer slope of the warehouse; when the accumulation dam is constructed in the later period of operation, the vertical seepage drainage well (2) rises along with the rising of the accumulation dam; arranging a horizontal seepage drainage pipe (3) in the accumulation dam, directly laying the horizontal seepage drainage pipe (3) along the accumulation beach face, enabling the slope to be from the outside of the reservoir to the inside of the reservoir, and connecting the end of the inner side of the reservoir of the horizontal seepage drainage pipe (3) with a water guide pipe (4); each layer of water guide pipe (4) in the accumulation dam is connected into the vertical drainage and seepage well (2), and the slope is towards the vertical drainage and seepage well (2); along with the gradual rise of the stacking dam, the vertical seepage drainage wells are continuously raised, the horizontal seepage drainage pipes in the stacking dam are arranged layer by layer, and each layer of horizontal seepage drainage pipe (3) is connected with the seepage drainage blind ditch (1) at the bottom of the initial dam through the water guide pipe (4) and the vertical seepage drainage well (2) to form a three-dimensional seepage drainage network in the tailing dam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930655.1A CN112575870B (en) | 2019-09-29 | 2019-09-29 | Dam body seepage drainage facility arrangement structure for wet-method discharge tailing pond and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910930655.1A CN112575870B (en) | 2019-09-29 | 2019-09-29 | Dam body seepage drainage facility arrangement structure for wet-method discharge tailing pond and construction method |
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| CN112575870B CN112575870B (en) | 2022-06-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101278A (en) * | 2021-06-10 | 2022-03-01 | 捷艾悉环保科技（上海）有限公司 | Intelligent processing method and pretreatment method for excavating stale garbage |
| CN114451092A (en) * | 2022-02-24 | 2022-05-10 | 昆明理工大学 | Method for constructing and greening copper tailing pond in arid region |
| CN117161636A (en) * | 2023-11-03 | 2023-12-05 | 矿冶科技集团有限公司 | Arrange and ooze nest of tubes system of processing |
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| CN103572747A (en) * | 2013-11-15 | 2014-02-12 | 付文堂 | Method for burying drainage-seepage body of reverse filtering pipe in tailing dam |
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| AU530388B2 (en) * | 1981-12-09 | 1983-07-14 | Ghd-Dwyer (Wa) Pty. Ltd. | Method of constructing mud dam for tailing slurry disposal |
| CN103572747A (en) * | 2013-11-15 | 2014-02-12 | 付文堂 | Method for burying drainage-seepage body of reverse filtering pipe in tailing dam |
| CN103590430A (en) * | 2013-11-27 | 2014-02-19 | 昆明钢铁控股有限公司 | Efficient and vertical drainage device of tailing pond |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114101278A (en) * | 2021-06-10 | 2022-03-01 | 捷艾悉环保科技（上海）有限公司 | Intelligent processing method and pretreatment method for excavating stale garbage |
| CN114101278B (en) * | 2021-06-10 | 2022-11-22 | 捷艾悉环保科技（上海）有限公司 | Intelligent excavation stale refuse treatment method and pretreatment method |
| CN114451092A (en) * | 2022-02-24 | 2022-05-10 | 昆明理工大学 | Method for constructing and greening copper tailing pond in arid region |
| CN117161636A (en) * | 2023-11-03 | 2023-12-05 | 矿冶科技集团有限公司 | Arrange and ooze nest of tubes system of processing |
| CN117161636B (en) * | 2023-11-03 | 2024-01-19 | 矿冶科技集团有限公司 | Arrange and ooze nest of tubes system of processing |
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| CN112575870B (en) | 2022-06-17 |
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