CN114164893B - Underground mine mountain and water scheduling system and control method thereof - Google Patents
Underground mine mountain and water scheduling system and control method thereof Download PDFInfo
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- CN114164893B CN114164893B CN202111471200.1A CN202111471200A CN114164893B CN 114164893 B CN114164893 B CN 114164893B CN 202111471200 A CN202111471200 A CN 202111471200A CN 114164893 B CN114164893 B CN 114164893B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 333
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005065 mining Methods 0.000 claims abstract description 34
- 239000002352 surface water Substances 0.000 claims abstract description 24
- 230000009189 diving Effects 0.000 claims description 21
- 239000003245 coal Substances 0.000 claims description 17
- 238000000746 purification Methods 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 5
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000009428 plumbing Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000005442 atmospheric precipitation Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/10—Obtaining and confining water by means of wells by means of pit wells
- E03B3/11—Obtaining and confining water by means of wells by means of pit wells in combination with tubes, e.g. perforated, extending horizontally, or upwardly inclined, exterior to the pits
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
- E03B3/18—Well filters
- E03B3/24—Well filters formed of loose materials, e.g. gravel
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/074—Arrangement of water treatment devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The application discloses a well mining mountain water dispatching system and a control method thereof, wherein the system comprises a plurality of underground reservoirs, an earth surface reservoir, a first dispatching pipeline, a second dispatching pipeline and a control system; any two of the water in the underground reservoir and the water in the surface reservoir can be mutually scheduled through the first scheduling pipeline, and the water in the submerged layer and the water in the surface reservoir can be mutually scheduled through the second scheduling pipeline. According to the underground mine water scheduling system and the control method thereof disclosed by the application, water resources such as rainwater are collected through the surface water storage pool, water resources such as mine water are collected through the underground reservoirs, water resource scheduling between the underground reservoirs and the surface water storage pool is realized through the first scheduling pipeline, water resource scheduling between the submerged layer and the surface water storage pool is realized through the second scheduling pipeline, cyclic utilization of water resources is realized, waste of water resources is avoided, and ecological environment is protected.
Description
Technical Field
The application relates to the technical field of coal hydrographic environment geology, in particular to a well and mining mountain and water scheduling system and a control method thereof.
Background
Rich coal resources are assigned in regions Ning Gan of Shanxan Mongolian of China, but water resources only account for 6.8% of the country, and the regions belong to serious water shortage regions and ecological fragile regions. The attitude of water resources is mainly controlled in the coal development process of the current underground coal mine, the utilization is mainly assisted, the thought is mainly based on 'blocking-discharging-storing', the water resource recycling ratio is low, and great waste of the water resources is caused.
Therefore, the application provides a mine water scheduling system capable of realizing water resource recycling and a control method thereof.
Disclosure of Invention
The application aims to overcome the defects of the prior art and provides a mine mountain water scheduling system capable of realizing water resource recycling and a control method thereof.
The technical scheme of the application provides a well mining mountain water dispatching system which comprises a plurality of underground reservoirs, an earth surface reservoir, a first dispatching pipeline, a second dispatching pipeline and a control system;
the earth surface reservoir is constructed in the earth surface soil layer and is positioned above the earth surface water-resisting layer, the water-resisting layer is arranged below the water-resisting layer, and the underground reservoir is positioned below the water-resisting layer;
the first dispatching pipelines are connected between the surface reservoir and each underground reservoir, and the first dispatching pipelines are connected between any two underground reservoirs;
the second dispatching pipeline is connected between the surface reservoir and the diving layer;
the surface reservoir and the underground reservoir are respectively provided with a water pump and a water level gauge which are connected with the control system, and the first scheduling pipeline and the second scheduling pipeline are respectively provided with an electric valve which is connected with the control system;
the water in any two underground reservoirs can be mutually scheduled through the first scheduling pipeline, the water in the underground reservoirs and the water in the surface reservoir can be mutually scheduled through the first scheduling pipeline, and the water in the submerged layer and the water in the surface reservoir can be mutually scheduled through the second scheduling pipeline.
In one optional aspect, the first dispatch pipeline is further connected to a goaf where coal mining is being performed;
water in the goaf can be conveyed to the underground reservoir below the goaf through the first scheduling pipeline.
In one optional aspect, a plurality of underground reservoirs are arranged at intervals along the sequence from bottom to top below the water-resisting layer;
when the surface reservoir is filled with water, the underground reservoir is filled with water sequentially in the sequence from bottom to top;
and when water is replenished to the surface reservoir through the underground reservoir, the water of the underground reservoir is sequentially pumped from top to bottom.
In one optional technical scheme, the underground reservoirs are sequentially divided into an odd-layer reservoir and an even-layer reservoir from top to bottom;
and when the water is replenished to the surface reservoir through the underground reservoir, sequentially pumping the water in the odd-layer reservoirs from top to bottom or sequentially pumping the water in the even-layer reservoirs from top to bottom.
In one optional technical scheme, the underground mine water scheduling system further comprises a water purifying treatment system and municipal pipelines;
the surface reservoir is connected with the water inlet end of the water purification treatment system through a connecting pipeline, and the municipal pipeline is connected with the water outlet end of the water purification treatment system;
the electric valve is respectively installed in the connecting pipeline and the municipal pipeline.
In one optional technical scheme, the underground mine water dispatching system further comprises an emergency drainage pipeline, the emergency drainage pipeline is connected with the surface reservoir, and the electric valve is arranged in the emergency drainage pipeline.
In one optional technical scheme, a gravel well is constructed in the submerged layer through gravel, and a well cover is constructed at a well mouth of the gravel well;
the upper end of the second dispatching pipeline is positioned in the surface water reservoir, a pipeline filter cover is covered at the upper end of the second dispatching pipeline, and the lower end of the second dispatching pipeline penetrates through the well cover and is inserted into the gravel well.
In one alternative, the water gauge is suspended in the gravel well.
In one alternative, at least one waterproof layer is constructed on the surface of the surface reservoir.
In one optional technical scheme, a plurality of water holes communicated with the soil layer are formed in the waterproof layer, and a water hole filter cover is covered on the waterproof layer corresponding to each water hole.
In one optional technical scheme, each water through hole is internally provided with the electric valve.
The technical scheme of the application also provides a control method of the underground mining mountain and water scheduling system according to any one of the technical schemes, wherein the control method of the underground mining mountain and water scheduling system comprises the following scheduling control modes:
the dispatching control mode between the underground reservoirs comprises the following steps:
the control system starts the water pump in the underground reservoir and the electric valve in the first scheduling pipeline, and the scheduling of water among the underground reservoirs is realized through the first scheduling pipeline;
a dispatch control mode between the surface reservoir and the underground reservoir, comprising:
the control system starts the water pump in the underground reservoir and/or the surface reservoir and the electric valve in the first dispatching pipeline, and the dispatching of water between the surface reservoir and the underground reservoir is realized through the first dispatching pipeline;
a dispatch control mode between the surface reservoir and the submergence layer comprising:
the control system starts the water pump in the surface reservoir and the electric valve in the second scheduling pipeline, and the scheduling of water between the surface reservoir and the diving layer is realized through the second scheduling pipeline.
In one optional technical scheme, the control method of the underground mine mountain and water scheduling system further comprises the following scheduling control modes:
a dispatch control mode between a goaf being formed by coal mining and the underground reservoir, comprising:
the control system starts the water pump in the underground reservoir and the electric valve in the first scheduling pipeline, and water in the goaf is conveyed to the underground reservoir below the goaf through the first scheduling pipeline.
In one optional technical scheme, the control method of the underground mine water scheduling system further comprises a municipal water supply control mode, and the control method comprises the following steps:
the control system starts the electric valves in the water pump, the connecting pipeline and the municipal pipeline in the underground reservoir, and water in the surface reservoir is purified by the water purification treatment system and then is conveyed to the municipal pipeline.
By adopting the technical scheme, the method has the following beneficial effects:
according to the underground mine water scheduling system and the control method thereof, water resources such as rainwater are collected through the surface water storage pool, water resources such as mine water are collected through the underground reservoirs, water resource scheduling between the underground reservoirs and the surface water storage pool is achieved through the first scheduling pipeline, water resource scheduling between the submerged layer and the surface water storage pool is achieved through the second scheduling pipeline, cyclic utilization of the water resources is achieved, waste of the water resources is avoided, and ecological environment is protected.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present application. In the figure:
FIG. 1 is a schematic view showing an arrangement of a system for scheduling mining mountain water along a vertical direction according to an embodiment of the present application;
FIG. 2 is a schematic illustration of the arrangement of a surface reservoir, water purification treatment system, municipal plumbing and emergency drainage lines;
FIG. 3 is a schematic diagram of the connection of the water pump, the water level gauge, the electric valve and the control system;
FIG. 4 is a schematic illustration of the installation of a water barrier and a second deployment line in a surface reservoir;
FIG. 5 is a schematic view of a water port filter housing with water ports;
FIG. 6 is a schematic illustration of an upper end cap of a second deployment line having a line filter cap, a lower end of the second deployment line inserted into a gravel well;
Detailed Description
Specific embodiments of the present application will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1-3, an embodiment of the present application provides a well mining mountain and water dispatching system including a plurality of underground reservoirs 105, a surface reservoir 200, a first dispatching line 300, a second dispatching line 400, and a control system 900.
The surface reservoir 200 is constructed in the soil layer 101 of the surface and above the submerged layer 102 of the surface, the water-blocking layer 103 is below the submerged layer 102, and the underground reservoir 105 is below the water-blocking layer 103.
The first dispatch pipe 300 is connected between the surface reservoir 200 and each of the underground reservoirs 105, and the first dispatch pipe 300 is connected between any two of the underground reservoirs 105.
A second deployment line 400 is connected between the surface reservoir 200 and the diving layer 102.
The surface reservoir 200 and the underground reservoir 105 are respectively provided with a water pump 10 and a water level gauge 20 which are connected with a control system 900, and the first dispatching pipeline 300 and the second dispatching pipeline 400 are respectively provided with an electric valve 30 which is connected with the control system 900.
The water in any two of the underground reservoirs 105 can be mutually scheduled by the first scheduling conduit 300, the water in the underground reservoirs 105 and the surface reservoir 200 can be mutually scheduled by the first scheduling conduit 300, and the water in the submerged layer 102 and the surface reservoir 200 can be mutually scheduled by the second scheduling conduit 400.
The underground mine water dispatching system provided by the application can realize dispatching of water between the underground reservoir 105 and the surface reservoir 200 and dispatching of water between the diving layer 102 and the surface reservoir 200.
The strata of a mine generally include, from top to bottom, soil layers 101, diving layers 102 (aquifers), water barriers 103, overburden, coal seams, underburden, and the like.
The goaf is closed after mining the coal seam to form the underground reservoir 105. Goaf 104 in fig. 1 is a not yet closed goaf formed by a coal face while mining. The gob 104 is formed behind a face hydraulic mount 106.
The multiple underground reservoirs 105 may be at the same level (depth) or at different levels (depths), depending on the number of layers of coal mining.
The underground reservoir 105 is used for collecting and storing mine water, and rock formations around the underground reservoir 105 have the effect of preliminary filtration and purification on the mine water.
The underground reservoir 105 has a reservoir maximum water level and a reservoir minimum water level therein. When the water level in the underground reservoir 105 is lower than the lowest water level of the reservoir, water needs to be supplemented to the underground reservoir 105 so as to maintain the corresponding water level of the underground and maintain ecological balance. When the water level in the underground reservoir 105 is higher than the highest water level of the reservoir, the underground reservoir 105 needs to be drained to ensure the safety of the underground reservoir 105.
The highest water level of the underground reservoir 105 is about 70% -90% of the height of the underground reservoir 105, namely, a part of space is reserved at the top of the underground reservoir 105 and no water is stored, so that the phenomenon that the water in the underground reservoir 105 flows backward due to the fact that too much water is stored in the underground reservoir 105 and air in the underground reservoir 105 is compressed is avoided. When the water level of the underground reservoir 105 reaches the reservoir maximum level, it is understood to some extent that the underground reservoir 105 is no longer capable of retaining water.
The minimum water level distance of the underground water reservoir 105 is about 30% of the height of the underground water reservoir 105, that is, when the underground water reservoir 105 drains to the minimum water level of the water reservoir, part of water is not drained any more, so as to maintain the balance of underground water resources at the level.
The surface reservoir 200 is constructed in the soil layer 101 of the surface, and the surface reservoir 200 is used to collect and store rainwater.
The surface reservoir 200 is above the submerged layer 102 of the surface. The surface water reservoir 200 may be an artificial lake, an artificial pool, or the like, or may be a natural lake, natural depression, or the like. The surface reservoir 200 may be one or several artificially or naturally occurring reservoirs or bodies of surface water.
The surface reservoir 200 has a pool maximum water level and a pool minimum water level therein. When the water level in the surface reservoir 200 is below the pool's minimum water level (which may be understood to be somewhat absent from the surface reservoir 200), water needs to be replenished into the surface reservoir 200 to maintain the water ecology balance of the surrounding soil. When the water level in the surface reservoir 200 is higher than the maximum water level of the pool (which may be understood to be that the surface reservoir 200 is full of water), the water in the surface reservoir 200 needs to be drained to ensure the safety of the surface reservoir 200.
The water-submersible layer 102 is between the soil layer 101 (the air-packing belt) and the water-blocking layer 103. The submerged layer 102 is the main exchanger of the surface water body and the main source of town water. When the water content in the water-submerged layer 102 is large, the earth's surface is liable to form a wet land, resulting in salinization. When the water content in the submerged layer 102 is small, the humidity of the soil layer 101 is affected, which in turn affects the surface vegetation growth. The present application may schedule the amount of water in the water-submerged layer 102 over a range in the mine area. The diving layer high water level and the diving layer low water level can be preset in the diving layer 102 corresponding to the mine area according to specific needs. Corresponding water level gauges 20 may be embedded in the diving layer 102 as needed to monitor the water level in the diving layer 102 in real time.
Drilling holes, inclined shafts or vertical shafts at design positions may be used to install the first and second scheduling lines 300 and 400, and the electrically operated valves 30 may be installed at the nozzles of the first and second scheduling lines 300 and 400, as needed.
A first dispatching pipeline 300 is connected between the surface reservoir 200 and each underground reservoir 105, and a first dispatching pipeline 300 is also connected between any two underground reservoirs 105, so that a first dispatching pipeline network is formed underground, and therefore, the water quantity dispatching between the underground reservoirs 105 can be achieved, and the water quantity dispatching between the surface reservoir 200 and each underground reservoir 105 can also be achieved.
A second scheduling conduit 400 is connected between the surface reservoir 200 and the diving layer 102 to effect water scheduling between the surface reservoir 200 and the diving layer 102. A plurality of second dispatch pipes 400 may be deployed as desired.
The surface reservoir 200 and the underground reservoir 105 are respectively provided with a plurality of water pumps 10 and water level meters 20, and the water pumps 10 and the water level meters 20 are connected with a control system 900. The control system 900 may be a computer control system. The water pump 10 is an electric water pump. The water level gauge 20 is used to monitor the real-time water level in the surface reservoir 200 and the underground reservoir 105 and to transmit real-time water level signals to the control system 900. The control system 900 can control the corresponding water pump 10 and the electric valve 30 to be opened according to the real-time water level signal so as to realize water dispatching.
Specifically, the underground mining mountain water scheduling system provided by the application comprises the following scheduling modes:
first: water scheduling between the underground reservoirs 105.
When the water level in one or more of the underground reservoirs 105 is near or below the lowest water level of the reservoir, water in the underground reservoirs 105 with rich water is selected to be scheduled to the underground reservoirs 105 needing water replenishment. The water level in the pumped underground reservoir 105 cannot be lower than the lowest water level of the reservoir at the time of water volume scheduling, and when the water level in the pumped underground reservoir 105 approaches the lowest water level of the reservoir, the pumping of the underground reservoir 105 is stopped.
When the water level in one or several of the underground reservoirs 105 is near or above the lowest high level of the reservoir, then water in the underground reservoir 105 with the high risk level is selected to be scheduled into the underground reservoir 105 with the low water content. When the water level in the water-filled underground reservoir 105 is not higher than the highest water level of the reservoir during water volume scheduling, water filling into the underground reservoir 105 is stopped when the water level in the water-filled underground reservoir 105 is close to the highest water level of the reservoir.
Second,: water scheduling between the underground reservoir 105 and the surface reservoir 200.
When the water level in the surface reservoir 200 is below the pool minimum level, water in one or more of the underground reservoirs 105 having a water level above the reservoir minimum level may be selectively dispensed into the surface reservoir 200.
When the water level in one or more of the underground reservoirs 105 is near or below the minimum water level of the reservoir, such as when the water level in the surface reservoir 200 is rich, the water in the surface reservoir 200 may be scheduled to the underground reservoir 105 that requires replenishment.
When the water level in one or more of the underground reservoirs 105 is close to or higher than the lowest level of the reservoirs, the water level in the underground reservoirs 105 is preferably scheduled among different underground reservoirs 105 to maintain the safety of the underground reservoirs 105 and keep mine water underground, and then the water in the underground reservoirs 105 is selectively scheduled to the surface water storage tank 200 to be stored or discharged by the surface water storage tank 200.
The surface reservoir 200 and the underground reservoir 105 need to be secured for scheduling in any event.
Third,: water scheduling between the submerged layer 102 and the surface reservoir 200.
When the water level in the submerged layer 102 is near or above the submerged layer high water level, the water in the submerged layer 102 may be routed to the surface reservoir 200 for storage or supply to municipal use by the surface reservoir 200.
When the water level in the submerged layer 102 is near or below the submerged layer low water level, water in the surface reservoir 200 may be dispatched into the submerged layer 102 to raise the water level of the submerged layer 102 in that area.
Of course, the surface reservoir 200 serves as an intermediate link, and water is also distributed among the water-submerged layer 102, the surface reservoir 200, and the underground reservoir 105.
For example, when the water content in the submerged layer 102 is high and water is needed to be replenished in the underground reservoir 105, the first scheduling pipeline 300 and the second scheduling pipeline 400 can be simultaneously opened, and water is scheduled to the surface reservoir 200 from the submerged layer 102 and then to the underground reservoir 105.
When the amount of water in the underground reservoir 105 is large and water is needed to be replenished in the diving layer 102, the first dispatching pipeline 300 and the second dispatching pipeline 400 can be simultaneously started, and water is dispatched from the underground reservoir 105 to the surface reservoir 200 and then to the diving layer 102.
Therefore, the underground water scheduling system can convey the surface water to the underground reservoir for storage when the surface water resources are rich, and can convey the water in the underground reservoir to the surface water storage pool for utilization when the surface water is poor. When the water level of the diving layer is high, the diving layer can be conveyed into the surface water storage pool for use, and when the diving layer is low, the diving layer can be conveyed into the surface water storage pool and/or the water in the underground reservoir to supplement the water level.
According to the underground mining mountain water scheduling system, a plurality of underground reservoirs are used as sponge bodies to repair water ecology in mineral development areas such as coal, the capacity of conserving water resources is improved, water resources are recycled to the greatest extent, natural resource waste is avoided, idle spaces in underground mining and after pit closing are fully utilized, coordinated development of mineral resources and water resources is achieved, and therefore the final purpose of protecting ecological environment is achieved.
In one embodiment, as shown in FIG. 1, the first dispatch line 300 is also connected to the goaf 104 where coal mining is occurring.
The water in the gob 104 can be delivered via the first dispatch line 300 to an underground reservoir 105 below the gob 104.
In this embodiment, the goaf 104 behind the working face hydraulic support 106 is connected through the first scheduling pipeline 300, so as to collect water behind the coal face, and reduce the waste of water resources in the coal mining process.
In one embodiment, as shown in fig. 1, a plurality of underground reservoirs 105 are spaced below the water barrier 103 in a bottom-up sequence.
When the water is replenished into the underground water reservoir 105 through the surface water reservoir 200, the water is replenished into the underground water reservoir 105 in the order from bottom to top.
When replenishing the surface reservoir 200 with water through the underground reservoir 105, the water of the underground reservoir 105 is sequentially pumped in the order from top to bottom.
When the underground reservoir 105 is replenished with water, the water is preferentially replenished to the underground reservoir 105 at the lower layer, and then the water is sequentially replenished to the underground reservoir 105 at the layer, so that the situation that the underground reservoir 105 is heavy and light is avoided as much as possible.
When water in the underground reservoir 105 is extracted, water in the upper underground reservoir 105 is preferentially extracted, water in the lower underground reservoir 105 is sequentially extracted, the upper weight and the lower weight are avoided as much as possible, and water in the upper underground reservoir 105 is relatively easy to replenish.
In one embodiment, as shown in fig. 1, the plurality of underground reservoirs 105 are divided into an odd-level reservoir and an even-level reservoir in order from top to bottom.
When replenishing the surface reservoir 200 with water through the underground reservoir 105, water in the odd-level reservoirs is sequentially extracted in the top-down order, or water in the even-level reservoirs is sequentially extracted in the top-down order.
In this embodiment, water in the upper and lower layers of the underground reservoirs 105 is extracted at intervals, so that balance between layers is maintained, and the problem that the stability of the structure is greatly affected by the cavity of the rock stratum after the two adjacent layers of the underground reservoirs 105 are all drained is avoided.
In one embodiment, as shown in FIG. 2, the well mining mountain and water dispatch system further includes a water purification treatment system 500 and municipal piping 600.
The surface reservoir 200 is connected to the water inlet end of the water purification system 500 by a connecting conduit 700 and the municipal conduit 600 is connected to the water outlet end of the water purification system 500.
The electrically operated valve 30 is installed in each of the connection pipe 700 and the municipal pipe 600.
In this embodiment, municipal pipeline 600 includes one or more of a water supply pipeline for greening, a water supply pipeline for production, a water supply pipeline for communicating with a water treatment plant, and a water supply pipeline for communicating with a waterworks. If desired, the water drawn from the surface reservoir 200 may be purified by the water purification system 500 and then supplied to the municipal plumbing 600. The connection pipe 700 may be connected to a middle lower portion of the tank wall of the surface reservoir 200.
When the amount of water in the surface reservoir 200 is in interference, it may be supplied to the municipal plumbing 600 for use. When the amount of water in the surface reservoir 200 is small, and the water in the underground reservoir 105 is interference, the water in the underground reservoir 105 can be directly called.
In one embodiment, as shown in fig. 2, the underground mine water dispatching system further comprises an emergency drainage pipeline 800, the emergency drainage pipeline 800 is connected with the surface reservoir 200, and an electric valve 30 is installed in the emergency drainage pipeline 800.
The emergency drain line 800 may be connected to surrounding waterways or the like, and emergency drainage may be provided through the emergency drain line 800 when water in the surface reservoir 200 and/or the underground reservoir 105 exceeds a safety line.
In one embodiment, as shown in fig. 4 and 6, a gravel well 107 is constructed in the water-submerged layer 102 by gravel, and a well lid 108 is constructed at the well head of the gravel well 107.
The upper end of the second deployment line 400 is positioned in the surface reservoir 200, and a line filter housing 203 is provided at the upper end of the second deployment line 400, and the lower end of the second deployment line 400 is inserted through the well lid 108 and into the gravel well 107.
In this embodiment, the blockage of the upper end of the second deployment line 400 can be avoided by inserting the upper end of the second deployment line 400 into the surface reservoir 200 and covering the upper end of the second deployment line 400 with the line filter housing 203. The pipeline filter housing 203 may be a rebar housing.
By constructing the gravel well 107 in the submerged layer 102, the lower end of the second scheduling line 400 is inserted through the well lid 108 and into the gravel well 107, and the lower end of the second scheduling line 400 is prevented from being plugged.
In one embodiment, as shown in FIG. 6, a water level gauge 20 is suspended in the gravel well 107 for monitoring the water level in the gravel well 107, and thus the approximate water level in the water-submerged layer 102 may be obtained.
In one embodiment, as shown in fig. 4, at least one waterproof layer 201 is constructed on the surface of the surface reservoir 200, so as to avoid water leakage of the surface reservoir 200 and improve the water storage effect.
The waterproof layer 201 may be a concrete layer.
In one embodiment, as shown in fig. 4-5, a plurality of water holes 202 communicated with the soil layer 101 are formed in the waterproof layer 201, and a water hole filter cover 204 is covered on the waterproof layer 201 corresponding to each water hole 202.
The water through holes 202 are used for naturally draining water to the soil layer 101 so as to meet the water requirement of the soil layer 101. The water through hole filter cover 204 is covered on the water through hole 202 to avoid the blockage of the water through hole 202. The water hole filter cover 204 can be a reinforced cover.
In one embodiment, as shown in fig. 5, each water through hole 202 is provided with an electric valve 30, and the electric valves can be selected according to the requirement to control the water discharge amount, so as to meet the actual requirement of the soil layer 101 and avoid the influence of excessive water discharge on vegetation growth.
Referring to fig. 1-6, an embodiment of the present application provides a control method of a mine water dispatching system, which includes the following dispatching control modes:
a dispatch control mode between underground reservoirs 105, comprising:
the control system 900 opens the water pump 10 in the underground reservoirs 105 and the electric valve 30 in the first scheduling pipeline 300, and the scheduling of water among the underground reservoirs 105 is realized through the first scheduling pipeline 300.
A dispatch control mode between the surface reservoir 200 and the underground reservoir 105, comprising:
the control system 900 turns on the water pump 10 in the ground reservoir 105 and/or the surface reservoir 200, the electrically operated valve 30 in the first scheduling conduit 300, and the scheduling of water between the surface reservoir 200 and the ground reservoir 105 is achieved through the first scheduling conduit 300.
A dispatch control mode between the surface reservoir 200 and the diving layer 102, comprising:
the control system 900 turns on the water pump 10 in the surface reservoir 200, the electrically operated valve 30 in the second deployment line 400, and the deployment of water between the surface reservoir 200 and the submerged layer 102 is accomplished through the second deployment line 400.
In one embodiment, the control method of the underground mining mountain and water scheduling system further comprises the following scheduling control modes:
a scheduling control mode between a goaf 104 formed by coal mining and an underground reservoir 105, comprising:
the control system 900 turns on the water pump 10 in the underground reservoir 105, the electrically operated valve 30 in the first scheduling line 300, and the water in the goaf 104 is delivered to the underground reservoir 105 under the goaf 104 through the first scheduling line 300.
In one embodiment, the control method of the well mining mountain and water scheduling system further comprises a municipal water supply control mode, comprising:
the control system 900 turns on the water pump 10, the connecting piping 700 and the electric valve 30 in the municipal piping 600 in the underground reservoir 105, and the water in the surface reservoir 200 is purified by the water purification system 500 and then is transferred to the municipal piping 600.
In summary, the underground mine water scheduling system and the control method thereof provided by the application can perform reasonable allocation and optimization of surface water resources and underground water resources, exert the advantages of underground mine sponge mines, store surface water and atmospheric precipitation, adopt open multi-stage allocation, and self-circulate the allocated water resources to the rhizome regions of the surface vegetation to ensure healthy growth of the surface vegetation, thereby achieving the final purpose of protecting ecological environment.
The above technical schemes can be combined according to the need to achieve the best technical effect.
What has been described above is merely illustrative of the principles and preferred embodiments of the present application. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the application and should also be considered as the scope of protection of the present application.
Claims (13)
1. The underground mining mountain water dispatching system is characterized by comprising a plurality of underground reservoirs, an earth surface reservoir, a first dispatching pipeline, a second dispatching pipeline and a control system;
the earth surface reservoir is constructed in the earth surface soil layer and is positioned above the earth surface water-resisting layer, the water-resisting layer is arranged below the water-resisting layer, and the underground reservoir is positioned below the water-resisting layer;
the first dispatching pipelines are connected between the surface reservoir and each underground reservoir, and the first dispatching pipelines are connected between any two underground reservoirs;
the second dispatching pipeline is connected between the surface reservoir and the diving layer;
the surface reservoir and the underground reservoir are respectively provided with a water pump and a water level gauge which are connected with the control system, and the first scheduling pipeline and the second scheduling pipeline are respectively provided with an electric valve which is connected with the control system;
the water in any two underground reservoirs can be mutually scheduled through the first scheduling pipeline, the water in the underground reservoirs and the surface water reservoir can be mutually scheduled through the first scheduling pipeline, and the water in the submerged layer and the surface water reservoir can be mutually scheduled through the second scheduling pipeline;
a plurality of the underground reservoirs are arranged at intervals below the water-resisting layer along the sequence from bottom to top;
when the surface reservoir is filled with water, the underground reservoir is filled with water sequentially in the sequence from bottom to top;
and when water is replenished to the surface reservoir through the underground reservoir, the water of the underground reservoir is sequentially pumped from top to bottom.
2. The mining mountain and water scheduling system of claim 1, wherein the first scheduling conduit is further connected to a goaf where coal mining is occurring;
water in the goaf can be conveyed to the underground reservoir below the goaf through the first scheduling pipeline.
3. The mining mountain and water scheduling system of claim 1, wherein a plurality of said underground reservoirs are divided into an odd-level reservoir and an even-level reservoir in sequence from top to bottom;
and when the water is replenished to the surface reservoir through the underground reservoir, sequentially pumping the water in the odd-layer reservoirs from top to bottom or sequentially pumping the water in the even-layer reservoirs from top to bottom.
4. The mining mountain water scheduling system of claim 1, wherein the mining mountain water scheduling system further comprises a water purification treatment system and municipal pipelines;
the surface reservoir is connected with the water inlet end of the water purification treatment system through a connecting pipeline, and the municipal pipeline is connected with the water outlet end of the water purification treatment system;
the electric valve is respectively installed in the connecting pipeline and the municipal pipeline.
5. The system of claim 1, further comprising an emergency drain line connected to the surface reservoir, wherein the electrically operated valve is installed in the emergency drain line.
6. The system according to claim 1, wherein a gravel well is constructed in the water-submerged layer by gravel, and a well lid is constructed at a well mouth of the gravel well;
the upper end of the second dispatching pipeline is positioned in the surface water reservoir, a pipeline filter cover is covered at the upper end of the second dispatching pipeline, and the lower end of the second dispatching pipeline penetrates through the well cover and is inserted into the gravel well.
7. The mining mountain and water scheduling system of claim 6, wherein the water gauge is suspended in the gravel well.
8. The mining mountain and water scheduling system of any one of claims 1-7, wherein at least one waterproof layer is constructed on a surface of the surface reservoir.
9. The mining mountain and water scheduling system of claim 8, wherein a plurality of water holes communicated with the soil layer are formed in the waterproof layer, and a water hole filter cover is covered on the waterproof layer corresponding to each water hole.
10. The mining mountain and water scheduling system of claim 9, wherein the electrically operated valve is installed in each of the water passing holes.
11. A method of controlling a mining mountain and water scheduling system as claimed in any one of claims 1 to 10, wherein the method of controlling a mining mountain and water scheduling system comprises the following scheduling control modes:
the dispatching control mode between the underground reservoirs comprises the following steps:
the control system starts the water pump in the underground reservoir and the electric valve in the first scheduling pipeline, and the scheduling of water among the underground reservoirs is realized through the first scheduling pipeline;
a dispatch control mode between the surface reservoir and the underground reservoir, comprising:
the control system starts the water pump in the underground reservoir and/or the surface reservoir and the electric valve in the first dispatching pipeline, and the dispatching of water between the surface reservoir and the underground reservoir is realized through the first dispatching pipeline;
a dispatch control mode between the surface reservoir and the submergence layer comprising:
the control system starts the water pump in the surface reservoir and the electric valve in the second scheduling pipeline, and the scheduling of water between the surface reservoir and the diving layer is realized through the second scheduling pipeline.
12. The method of claim 11, further comprising a schedule control mode of:
a dispatch control mode between a goaf being formed by coal mining and the underground reservoir, comprising:
the control system starts the water pump in the underground reservoir and the electric valve in the first scheduling pipeline, and water in the goaf is conveyed to the underground reservoir below the goaf through the first scheduling pipeline.
13. The method of claim 11, further comprising a municipal water supply control mode, comprising:
the control system starts the electric valves in the water pump, the connecting pipeline and the municipal pipeline in the underground reservoir, and water in the surface reservoir is purified by the water purification treatment system and then is conveyed to the municipal pipeline.
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