CN114250845A - Slag heap waste water collection device for abandoned mine - Google Patents
Slag heap waste water collection device for abandoned mine Download PDFInfo
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- CN114250845A CN114250845A CN202210000947.7A CN202210000947A CN114250845A CN 114250845 A CN114250845 A CN 114250845A CN 202210000947 A CN202210000947 A CN 202210000947A CN 114250845 A CN114250845 A CN 114250845A
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- slag
- waste water
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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
- E03F3/046—Open sewage channels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
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- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a slag pile waste water collecting device for a waste mine, which comprises a slag pile body, wherein a slag impervious layer is arranged on the surface of the slag pile body, a waste water collecting blind ditch is arranged at the lowest point around the slag pile body, a slag pile protecting structure is arranged outside the waste water collecting blind ditch, a waste water collecting pipe network is arranged outside the slag pile protecting structure, and the end part of the waste water collecting blind ditch is communicated with the waste water collecting pipe network through a blind ditch guide and discharge pipe. According to the invention, rainwater is effectively intercepted through the slag impervious layer, the generation amount of wastewater in the slag pile is reduced, meanwhile, through the design of the wastewater collection blind ditch, the wastewater accumulated in the slag pile body can be effectively collected through the action of gravity, the energy consumption is saved, the wastewater is collected in a centralized manner through the wastewater collection pipe network, the environmental pollution caused by the outward leakage of the wastewater is reduced, and the slag protection wall is arranged at the lowest point around the slag pile body, so that the slag pile body can be supported, the sliding and collapse risks of the slag pile body are reduced, and the natural outward leakage risk of the wastewater in the slag can be cut off.
Description
Technical Field
The invention belongs to the technical field of mine remediation and abandoned mine treatment, and particularly relates to a slag heap wastewater collection device for abandoned mines.
Background
With the rapid development of society, extensive mining cannot gradually meet the requirements of the society on environmental protection, more and more mines gradually quit a historical stage due to the fact that the environmental protection requirements are not met, and a large amount of waste slag is left to continuously increase the environmental pollution pressure of the area. At present, as most of the abandoned mine slag piles are located in remote mountain areas and are located near catchment brooks, heavy metals (iron, manganese and the like), sulfur and other pollution factors in the slag are gradually released into a water body under the action of bacteria after being soaked by rainwater for a long time, and the formed slag pile waste water causes serious damage to the regional water environment, so that the safety of local drinking water and domestic and production water is influenced, and certain influence can be caused on the health of residents seriously. The slag treatment industry does not have an effective slag heap wastewater collection measure at present, and the development of a wastewater collection device meeting the environmental protection requirement is urgently needed.
Disclosure of Invention
The invention aims to provide a slag heap wastewater collection device for a waste mine, which can at least solve part of defects in the prior art.
In order to achieve the purpose, the invention adopts the following scheme:
the utility model provides a waste mine is with waste water collection device is piled to slag, piles the body including the slay, the slay heap body surface is provided with the slay barrier layer, the slay is piled the body minimum point department all around and is set up the waste water collection french drain, the slay is piled the body minimum outside all around and is equipped with the slay and piles protection architecture, the slay is piled the protection architecture outside and is equipped with waste water collection pipe network, waste water collection french drain tip through the french drain guide pipe with waste water collection pipe network intercommunication.
Further, slag barrier layer upper portion sets up the drainage blanket, the border of drainage blanket extends to the slay and piles the body outside.
Further, the slag impermeable layer is made of HDPE films, concrete or clay.
Furthermore, the upper part of the slag impermeable layer is covered by vegetation.
Furthermore, a collecting pipe is arranged in the center of the wastewater collecting blind ditch, and a backfill compacted packing layer is arranged between the side wall of the wastewater collecting blind ditch and the collecting pipe.
Furthermore, the collecting pipe is a perforated pipe and adopts a steel pipe or an HDPE pipe.
Further, slag heap protection architecture is the slag protection wall that adopts reinforcing bar meeting concrete or rubble concrete to make, and is equipped with a plurality of drainage pipes along its direction of height interval in the slag protection wall, the slag heap body and waste water collection pipe network are connected respectively to the drainage pipe both ends.
Furthermore, a layer of anticorrosive coating is arranged on the wall of one side, close to the slag stack body, of the slag protection wall.
Furthermore, the waste water collecting pipe network is a U-shaped groove structure made of plain concrete or reinforced concrete, and the top of the waste water collecting pipe network is positioned above the highest flood level water surface of the abandoned mine area.
Furthermore, the blind ditch guide exhaust pipe is embedded and penetrates through the slag pile protection structure.
Compared with the prior art, the invention has the beneficial effects that:
the slag pile wastewater collecting device for the abandoned mine effectively intercepts rainwater through the slag impervious layer, reduces the generation amount of wastewater in the slag pile, can effectively collect the wastewater accumulated in the slag pile body through the action of gravity through the design of the wastewater collecting blind ditch, saves energy consumption, and reduces environmental pollution caused by the outward seepage of the wastewater through the centralized collection of the wastewater by the wastewater collecting pipe network.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a slag heap waste water collecting apparatus for a waste mine according to the present invention.
Description of reference numerals: 1. a slag pile; 2. a slag barrier layer; 3. a waste water collecting blind ditch; 4. a filler layer; 5. a collection pipe; 6. a slag pile protection structure; 7. a slag protective wall; 8. a drain conduit; 9. an anticorrosive layer; 10. a waste water collection pipe network; 11. blind drain pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, the meaning of "plurality" or "a plurality" is two or more unless otherwise specified.
As shown in fig. 1, this embodiment provides a waste water collection device is piled to slag for abandonment mine, including slay heap body 1, slay heap body 1 surface is provided with slay barrier layer 2, slay heap body minimum point department all around sets up waste water collection french drain 3, slay heap body 1 minimum outside all around is equipped with slay heap protection architecture 6, the slay heap protection architecture 6 outside is equipped with waste water collection pipe network 10, 3 tip of waste water collection french drain pass through french drain pipe 11 with waste water collection pipe network 10 communicates.
In the embodiment, the slag impermeable layer 2 can effectively intercept rainwater, prevent the slag pile 1 from contacting with the rainwater and surface water, and reduce the generation amount of wastewater in the slag pile 1; the waste water collecting blind ditch 3 is excavated into a ditch by machinery, and the waste water collecting blind ditch 3 is arranged at the lowest point of the slag pile body 1, so that waste water in the slag pile body can automatically flow into the waste water collecting blind ditch 3 under the action of gravity and is finally discharged into a waste water collecting pipe network 10 through the blind ditch guide and discharge pipe 11 in a centralized manner, the waste water in the waste slag pile body 1 can be effectively collected in a centralized manner, the water level in the slag pile body 1 is reduced on the basis, the lateral pressure of the slag pile body 1 is reduced, the stability of the slag pile body 1 is improved, and the generation amount of the waste water in the slag pile body 1 can be reduced to a certain extent; the slag pile protection structure 6 is arranged at the lowest point around the slag pile body 1, not only can play a supporting role for the slag pile body 1, reduce the risk of slippage and collapse of the slag pile body 1, but also can cut off the natural exosmosis risk of waste water in slag, and reduce the environmental pollution.
In a specific implementation mode, the slag impermeable layer 2 is arranged on the surface of the slag pile body 1, and an optimal impermeable structure form is selected by combining the topographic characteristics of areas where different slag pile bodies 1 are located, specifically, the structure of the slag impermeable layer 2 can be a HDPE film, concrete or clay, but the permeability coefficient of the slag impermeable layer is ensured to meet the requirements of relevant specifications.
As an optimized implementation mode, a drainage layer can be arranged on the upper part of the slag impermeable layer 2, the edge of the drainage layer extends to the outside of the slag pile body 1, and the blocked rainwater is drained into the periphery of the slag pile body 1 through the drainage layer, so that the generation amount of the wastewater in the slag pile body 1 is further reduced.
In an optional embodiment, the upper part of the slag impermeable layer 2 can be covered by vegetation by adopting a proper vegetation planting technology according to the requirements of regional greening, so that the environmental protection of the region where the slag heap body 1 is located is further improved.
The embodiment that refines, the concrete position that sets up of waste water collection french drain 3 is confirmed according to 1 bottom engineering geological conditions of slay heap and hydrological condition, guarantees the structural stability of waste water collection french drain 3, waste water collection french drain 3 are through mechanical excavation ditch, and the ditch bottom basis must be tamped, prevents that waste water collection french drain from subsiding because of the part and destroying.
Further, a collecting pipe 5 is arranged in the center of the wastewater collecting blind ditch 3, specifically, the collecting pipe 5 is a perforated pipe, the pipe can be made of anticorrosive materials such as a steel pipe or an HDPE (high-density polyethylene) pipe, the opening rate of the pipeline is determined according to the wastewater collecting amount, and the pipe wall is protected by a protective layer to prevent blockage; set up packing layer 4 between 3 lateral walls of waste water collection french drain and the collecting pipe 5, its packing is filled the back and must be carried out the pre-compaction and tamp, prevents that collecting pipe 5 from subsiding tensile destruction, can be according to local characteristics to the packing of packing layer 4, under the prerequisite that satisfies collection efficiency, selects suitable packing to fill according to local conditions. Through the setting of collecting pipe 5 and packing layer 4 in the waste water collection french drain 3, increased the waste water and collected the passageway, guarantee that waste water collects the group outward smoothly in the slay heap body 1.
As an implementation mode, the slag pile protection structure 6 adopts an integral structure form of a slag protection wall 7, the slag protection wall 7 is arranged at the downstream of the waste water flow field in the slag pile body 1 according to the shape of the slag pile body 1 and the waste water flow field in the slag, the structure of the slag protection wall 7 is designed according to the calculation result of the stability of the wall, the slag protection wall 7 can be constructed by selecting proper materials according to local characteristics on the premise of meeting the structural stability according to local conditions, and the materials can adopt steel bar meeting concretion or rubble concrete; a plurality of drainage guide pipes 8 are arranged in the slag protection wall 7 at intervals along the height direction of the slag protection wall, the drainage guide pipes 8 are embedded in the construction process of the slag protection wall 7, the drainage guide pipes 8 are arranged in the slag protection wall 7 from the side of the slag pile body 1 to the side of the wastewater collection pipe network 10 in a downward inclined mode, and the two ends of each drainage guide pipe 8 are respectively connected with the slag pile body 1 and the wastewater collection pipe network 10 and used for guiding and discharging wastewater accumulated in the slag pile body 1. Optimized, the slay protection wall 7 sets up one deck anticorrosive coating 9 near slay heap body 1 one side wall, guarantees that the slay protection wall is not corroded by waste water, influences structural stability.
Furthermore, the blind ditch guide and exhaust pipe is pre-buried in slay protection wall and waste water collection blind ditch construction process, and the blind ditch guide and exhaust pipe runs through slay protection wall, and its tip extends to waste water collection pipe network department.
Specifically, wastewater collection pipe network 10 sets up at 7 outside skirts of slay protection wall, forms wholly with 7 zonulae occludens of slay protection wall for collect by the waste water of french drain drainage pipe 11 and 8 exhaust of drainage pipe, concentrate the drainage to the escape canal, discharge into the waste water treatment facility through the escape canal and handle back discharge to reach standard, optional, U type tank structure that wastewater collection pipe network 10 was made for adopting plain concrete or reinforced concrete, regional water level characteristics must be considered to wastewater collection pipe network 10 simultaneously, and its top is located above the regional highest flood water level surface of water of abandonment mine.
In conclusion, the slag pile waste water collecting device for the abandoned mine, provided by the invention, can effectively intercept rainwater by arranging the slag impermeable layer on the surface layer of the slag pile body, the generation amount of waste water in the slag pile body is reduced, the waste water collecting blind ditch is arranged at the bottom of the slag pile body, waste water accumulated in the slag pile body can be effectively collected through the action of gravity, the energy consumption is saved, the slag protection wall is arranged at the lowest point around the slag pile body, the slag pile body can be supported, the sliding and collapse risks of the slag pile body are reduced, the natural seepage risk of the waste water in the slag can be cut off, a waste water collecting pipe network can intensively collect the waste water in the slag pile body, and the environmental pollution caused by the seepage of the waste water is reduced.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.
Claims (10)
1. The utility model provides a waste mine is with slag heap waste water collection device, includes the slay heap body, its characterized in that: the slag heap body surface is provided with the slay barrier layer, the slay heap body minimum point department all around sets up the waste water collection french drain, the slay heap body minimum outside all around is equipped with the slag heap protection architecture, the slag heap protection architecture outside is equipped with the waste water collection pipe network, the waste water collection french drain tip pass through the french drain guide pipe with the waste water collection pipe network intercommunication.
2. The slag heap waste water collection apparatus for a waste mine as claimed in claim 1, wherein: the slag impermeable layer upper portion sets up the drainage blanket, the border of drainage blanket extends to the slay and piles the body outside.
3. The slag heap waste water collection apparatus for a waste mine as claimed in claim 1, wherein: the slag impermeable layer is made of HDPE films, concrete or clay.
4. The slag heap waste water collection apparatus for a waste mine as claimed in claim 1, wherein: and the upper part of the slag impermeable layer is covered by vegetation.
5. The slag heap waste water collection apparatus for a waste mine as claimed in claim 1, wherein: the waste water collecting blind ditch is characterized in that a collecting pipe is arranged in the center of the waste water collecting blind ditch, and a backfill compacted filling layer is arranged between the side wall of the waste water collecting blind ditch and the collecting pipe.
6. The slag heap waste water collection apparatus for a waste mine as claimed in claim 5, wherein: the collecting pipe is a perforated pipe and adopts a steel pipe or an HDPE pipe.
7. The slag heap waste water collection apparatus for a waste mine as claimed in claim 1, wherein: slag heap protection architecture is the slag protection wall that adopts reinforcing bar meeting concrete or rubble concrete to make, and is equipped with a plurality of drainage pipe along its direction of height interval in the slag protection wall, the slag heap body and waste water collection pipe network are connected respectively to the drainage pipe both ends.
8. The slag heap waste water collection apparatus for a waste mine as claimed in claim 7, wherein: and a corrosion-resistant layer is arranged on the wall of one side, close to the slag pile body, of the slag protection wall.
9. The slag heap waste water collection apparatus for a waste mine as claimed in claim 1, wherein: the waste water collecting pipe network is a U-shaped groove body structure made of plain concrete or reinforced concrete, and the top of the waste water collecting pipe network is positioned above the highest flood level water surface of the abandoned mine area.
10. The slag heap waste water collection apparatus for a waste mine as claimed in claim 1, wherein: the blind ditch guide exhaust pipe is pre-buried to penetrate through a slag pile protection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210000947.7A CN114250845A (en) | 2022-01-04 | 2022-01-04 | Slag heap waste water collection device for abandoned mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210000947.7A CN114250845A (en) | 2022-01-04 | 2022-01-04 | Slag heap waste water collection device for abandoned mine |
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| Publication Number | Publication Date |
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| CN114250845A true CN114250845A (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210000947.7A Pending CN114250845A (en) | 2022-01-04 | 2022-01-04 | Slag heap waste water collection device for abandoned mine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08150381A (en) * | 1994-11-28 | 1996-06-11 | Lion Corp | Method for preventing outflow of harmful matter from waste-slag heap |
| CN105275021A (en) * | 2015-09-03 | 2016-01-27 | 广东安元矿业勘察设计有限公司 | Dry heap sealing and storing and pollution preventing method of heavy metal tailings |
| CN108797615A (en) * | 2018-07-05 | 2018-11-13 | 北京高能时代环境技术股份有限公司 | High-risk slope solid slag method and application |
| CN112726766A (en) * | 2020-12-25 | 2021-04-30 | 河北地矿建设工程集团公司 | Precipitation management and control system suitable for ecological environment restoration of mine is administered |
| CN112942393A (en) * | 2021-04-02 | 2021-06-11 | 广西中煤地质有限责任公司 | Comprehensive treatment structure for steep slope type coal gangue hill |
| CN113006127A (en) * | 2021-03-03 | 2021-06-22 | 湖南科技大学 | In-situ repair system and method for replaceable tailing pond leachate |
| CN113565144A (en) * | 2021-07-29 | 2021-10-29 | 江西丰强科技发展有限公司 | Surface water infiltration drainage guide and integral reinforcement structure for abandoned dreg site and construction method |
| CN215367189U (en) * | 2021-04-20 | 2021-12-31 | 河南理工大学 | Drainage blind ditch structure suitable for mine spoil area rock-fill dam foundation |
-
2022
- 2022-01-04 CN CN202210000947.7A patent/CN114250845A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08150381A (en) * | 1994-11-28 | 1996-06-11 | Lion Corp | Method for preventing outflow of harmful matter from waste-slag heap |
| CN105275021A (en) * | 2015-09-03 | 2016-01-27 | 广东安元矿业勘察设计有限公司 | Dry heap sealing and storing and pollution preventing method of heavy metal tailings |
| CN108797615A (en) * | 2018-07-05 | 2018-11-13 | 北京高能时代环境技术股份有限公司 | High-risk slope solid slag method and application |
| CN112726766A (en) * | 2020-12-25 | 2021-04-30 | 河北地矿建设工程集团公司 | Precipitation management and control system suitable for ecological environment restoration of mine is administered |
| CN113006127A (en) * | 2021-03-03 | 2021-06-22 | 湖南科技大学 | In-situ repair system and method for replaceable tailing pond leachate |
| CN112942393A (en) * | 2021-04-02 | 2021-06-11 | 广西中煤地质有限责任公司 | Comprehensive treatment structure for steep slope type coal gangue hill |
| CN215367189U (en) * | 2021-04-20 | 2021-12-31 | 河南理工大学 | Drainage blind ditch structure suitable for mine spoil area rock-fill dam foundation |
| CN113565144A (en) * | 2021-07-29 | 2021-10-29 | 江西丰强科技发展有限公司 | Surface water infiltration drainage guide and integral reinforcement structure for abandoned dreg site and construction method |
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