CN212641686U - Water resource regulation and utilization system for ecological restoration of abandoned opencast limestone mine - Google Patents
Water resource regulation and utilization system for ecological restoration of abandoned opencast limestone mine Download PDFInfo
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- CN212641686U CN212641686U CN202021057883.7U CN202021057883U CN212641686U CN 212641686 U CN212641686 U CN 212641686U CN 202021057883 U CN202021057883 U CN 202021057883U CN 212641686 U CN212641686 U CN 212641686U
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Abstract
The utility model discloses an ecological restoration water resource regulation and storage utilization system for abandoned opencast limestone mine, which comprises a trough positioned in a karst area and a slope positioned in a non-karst area, wherein a plurality of mined pits are distributed in the trough; a water blocking ditch which is consistent with the extending direction of the trough is arranged at the position close to the lower part of the slope and is combined with a plurality of hair branch ditches for blocking surface water and underground water in the slope; a plurality of grit chambers are arranged in the trough at intervals along the extending direction of the trough, a water diversion canal or a water diversion pipeline is arranged between each grit chamber and the water retaining ditch, between each mine pit and at least one grit chamber and between each vegetation recovery remodeling area and at least one grit chamber, and adjacent grit chambers are connected in series through connecting pipelines to realize regulation and distribution. The method not only can provide water source guarantee for the mining pit water landscape construction and vegetation restoration, greatly improve the utilization rate of water resources in the karst area, but also can quickly dredge atmospheric precipitation in the slope area and buffer surface runoff flowing to the karst trough valley area, thereby playing the roles of disaster prevention and reduction.
Description
Technical Field
The utility model belongs to the technical field of mine ecological remediation and water resource high efficiency utilize.
Background
Open-pit limestone mines distributed in karst regions contribute a great deal of resources to national economic development, and leave roadways "scars" (pits) in the earth during mining. The implementation of ecological civilization construction, treatment and restoration of scars left by mining are just as hot contents in current ecological restoration practice.
In recent years, the main idea of ecological restoration of mines has been changed from the conventional aspects of 'reclamation and greening' to the current aspects of 'guaranteeing safety, restoring ecology and giving consideration to landscape', wherein 'water' plays a decisive role in the aspects of safety, ecology and landscape. The water landscape is used for creating and destroying vegetation on the ground surface and is an ideal target for embodying aesthetic functions in the ecological restoration of mines undoubtedly, and the method is expected to change the scars of the roads left after mining into scattered pearls and plays a vital role in upgrading the ecological restoration.
However, in karst regions with uneven rainfall spatial and temporal distribution and rapid water resource leakage, the water demand for building mine water landscape and destroying surface vegetation recovery is difficult to support only by the natural atmospheric rainfall, and the fact of water resource shortage seriously restricts the mine ecological restoration work with the current multifunctional demand.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at the characteristics to abandonment open-air limestone mine, through effectual water resource regulation utilization, not only can make and the vegetation resumes for pit water landscape provides the water source guarantee, improves the utilization ratio of karst district water resource greatly, can dredge the surface runoff that slope district atmosphere precipitation, buffering flow direction karst trough valley were distinguished fast simultaneously, play the effect of disaster prevention and reduction.
Therefore, the utility model discloses the technical scheme who adopts does: the waste surface limestone mine comprises a trough positioned in a karst area and slopes positioned in a non-karst area, wherein the slopes are positioned on two sides of the trough, and a plurality of mined pits are distributed in the trough;
a water blocking ditch which is consistent with the extending direction of the trough is arranged at the position of the lower part of the slope and is combined with a plurality of hair branch ditches for blocking surface water and underground water in the slope;
be provided with a plurality of grit chambers along trough extending direction interval in the trough, every grit chamber with between the water conservancy diversion ditch, between every pit and at least one grit chamber, every vegetation resumes to remold and is provided with diversion canal or diversion pipeline between district and at least one grit chamber for lead the water of water conservancy diversion ditch to the grit earlier and handle the back and lead the pit to deposit, vegetation resumes to remold the district and irrigate, establish ties through connecting tube between the adjacent grit chamber and realize the regulation distribution.
Preferably, the water blocking ditch is formed by digging a ditch on one side of the existing highway backer, so that the engineering quantity is reduced, and two purposes are achieved at one time.
Further preferably, a water diversion canal or a water diversion pipeline is arranged between each vegetation restoration and remodeling area and at least two grit chambers.
The utility model has the advantages that: (1) providing a water source for ecological restoration of the mine and providing possibility for creating landscapes with ecological restoration diversity; (2) through ecological restoration of the mine, the service function of an ecological system is utilized to the maximum extent, the good wish of 'people happy house and tourists' is realized, and the economic development of the area is assisted; (3) before the surface water and the underground water flow through the karst area with quick loss, the karst area with quick loss is intercepted and quoted, so that the loss of water resources is reduced, and the utilization rate of water resources is greatly improved; (4) when the system is built and used, atmospheric precipitation can be dredged relatively quickly, runoff flowing to a karst area is buffered, and risks of adverse geological disasters such as landslide and waterlogging in the karst area in a slope area are reduced; (5) the water accumulated in the mine pit can be used as an emergency water source in the extremely arid years, and the comprehensive drought resistance is improved.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
referring to fig. 1 and 2, the abandoned surface limestone mine comprises a trough and two slopes. The part located in the karst area is called a trough 1, the part located in the non-karst area is called a slope 2, the slope 2 is located on two sides of the trough 1, a plurality of mined pits 3 are distributed in the trough 1, and the distribution form of the pits 3 is not limited and includes distribution perpendicular to the extending direction of the trough (as shown in figure 1) and distribution along the extending direction of the trough (as shown in figure 2). The area of the attachment site for mining is typically larger than the mining area (i.e., pit area), and thus mining activities cause large areas of the surface to be damaged in the form of crushing, excavation, etc.
In order to realize the regulation, storage and utilization of ecological restoration water resources of abandoned open-pit limestone mines, a water blocking ditch a consistent with the extending direction of a trough is arranged at the position, close to the lower part, of the slope 2, and a plurality of hair branch ditches b are combined for blocking surface water and underground water in the slope 2.
The water blocking ditch a can be formed by expanding and digging a ditch on one side of the backer of the existing road, and when the water blocking ditch on the existing road is not expanded and dug, a new water blocking ditch needs to be built.
A plurality of grit chambers c are arranged in the trough 1 at intervals along the extending direction of the trough. And a water diversion canal or a water diversion pipeline d (shown by a dotted line in figure 2) is arranged between each grit chamber c and the water retaining ditch a, between each mine pit 3 and at least one grit chamber c and between each vegetation restoration and remodeling area f and at least one grit chamber c and is used for leading water of the water retaining ditch a to grit treatment and then to the mine pit for accumulation and irrigation of the vegetation restoration and remodeling area. The adjacent grit chambers c are connected in series through a connecting pipeline e (indicated by a solid line in fig. 2) to realize the storage and distribution.
Preferably, a water diversion canal or a water diversion pipeline d is arranged between each vegetation restoration and remodeling area f and at least two grit chambers, but is not limited thereto.
The scheme adopts a water resource regulation and storage project of 'long vine melon receiving' type 'blocking-storage-leading', comprehensively utilizes surface groundwater, and provides a water source for ecological restoration of mines. Wherein:
digging or building a water blocking ditch as a vine by expanding ditches of an existing road of slopes (non-karst areas) on two sides of a trough, and blocking surface water and underground water in a large slope area by using a branch ditch;
each pit distributed in the trough (karst area) is a 'melon', a newly-built diversion canal or diversion pipeline is a 'stem', a 'vine' and a 'melon' are connected, and intercepted ground surface underground water is guided to the pits and a vegetation restoration and remodeling area;
wherein, a grit chamber is built on the nearly parallel arranged stem stems, and the intercepted ground surface groundwater is treated with grit;
meanwhile, the grit chambers (nodes) on the stem stems are connected in series by connecting pipelines to play roles in regulating, storing and reasonably distributing.
Claims (3)
1. The utility model provides an abandonment opencut limestone mine ecological remediation water resource regulation utilizes system, abandonment opencut limestone mine is including trough (1) that is located the karst district and slope (2) that is located non-karst district, and slope (2) are located the both sides of trough (1) it has mined pit (3), its characterized in that to distribute a plurality of in trough (1):
a water blocking ditch (a) which is consistent with the extending direction of the trough is arranged at the lower part of the slope (2), and is combined with a plurality of branch ditches (b) to block surface water and underground water in the slope (2);
be provided with a plurality of grit chambers (c) along trough extending direction interval in trough (1), every grit chamber (c) with be provided with diversion canal or diversion conduit (d) between water blocking ditch (a), between every pit (3) and at least one grit chamber (c), between every vegetation resumes to remold district (f) and at least one grit chamber (c) for water that will block ditch (a) leads to the grit earlier and handles the back and then leads to the pit to accumulate, vegetation resumes to remold the district and irrigate, establish ties through connecting tube (e) between the adjacent grit chamber (c) and realize the regulation distribution.
2. The system for ecologically restoring, storing and utilizing water resources of waste surface limestone mine according to claim 1, wherein: the water stopping ditch (a) is formed by digging a ditch on one side of the existing highway backer.
3. The system for regulating, storing and utilizing water resources for ecological restoration of waste surface limestone mine according to claim 1 or 2, characterized in that: and a water diversion canal or a water diversion pipeline (d) is arranged between each vegetation restoration and remodeling area (f) and at least two grit chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021057883.7U CN212641686U (en) | 2020-06-10 | 2020-06-10 | Water resource regulation and utilization system for ecological restoration of abandoned opencast limestone mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021057883.7U CN212641686U (en) | 2020-06-10 | 2020-06-10 | Water resource regulation and utilization system for ecological restoration of abandoned opencast limestone mine |
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| CN212641686U true CN212641686U (en) | 2021-03-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107061A (en) * | 2021-04-15 | 2021-07-13 | 中国矿业大学 | Stratum reconstruction method for near-urban abandoned strip mine |
| CN116090858A (en) * | 2022-11-08 | 2023-05-09 | 北京师范大学 | Ecological restoration potential evaluation method and system under double limitation of water resource and gradient |
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2020
- 2020-06-10 CN CN202021057883.7U patent/CN212641686U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107061A (en) * | 2021-04-15 | 2021-07-13 | 中国矿业大学 | Stratum reconstruction method for near-urban abandoned strip mine |
| CN116090858A (en) * | 2022-11-08 | 2023-05-09 | 北京师范大学 | Ecological restoration potential evaluation method and system under double limitation of water resource and gradient |
| CN116090858B (en) * | 2022-11-08 | 2023-08-01 | 北京师范大学 | Ecological restoration potential evaluation method and system under double limitation of water resource and gradient |
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