CN108755836A - Mine water resource method of comprehensive utilization based on mine water underground storage - Google Patents
Mine water resource method of comprehensive utilization based on mine water underground storage Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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Abstract
A kind of mine water resource method of comprehensive utilization based on mine water underground storage, comprises the following steps：Step 1：Determine groundwater reservoir roof water text geologic parameter；In this step, it based on areal geology hydrogeologic data, by the unrestrained water drilling hole of ground Geology Drilling and underground, determines roof earth formation and is distributed containing water barrier；Step 2：Determine groundwater reservoir water storage system；Step 3：Mine water resource comprehensively utilizes；By the groundwater reservoir water storage system of step 2, external water source, drainage underground and top plate water are included in water resources comprehensive utilization, water resource utilization is carried out using quality classification water supply principle；The present invention reduces the invalid outer row of mine water resource as a result, avoids water resource waste；The outsourcing of domestic water is reduced, enterprise's correlative charges is saved.The final sustainable use for realizing northern arid ecosystems vulnerable areas underground mine mine water resource, and farthest protect the groundwater resources of this area's preciousness.
Description
Technical field
The present invention relates to the integrated applications of hydrogeology, hydrogeochemistry, environmental project, plumbing and mining engineering
Technical field more particularly to a kind of mine water resource method of comprehensive utilization based on mine water underground storage.
Background technology
First, if the development of leaking crevice belt range has water-bearing layer in underground mine recovery process, with can leading to water-bearing layer
Lower water enters goaf, becomes Underground well water, in order to ensure the exploitation safety of underground coal resource, it is necessary to by mine water from well
Under be pumped to ground discharge, cause the waste of water resource.
Secondly, China's water resource and coal resources are in contrary distribution, especially the Northwest's Ordos Basin, coal money
Source large storage capacity, yield are big, but water resource extremely lacks, and evaporation is 6 times of precipitation, after arranging earth's surface outside mine water,
The problems such as but since evaporation capacity is big, not only effectively cannot storing and utilize, also causing earth's surface pollution and salinization of soil.
Third, the mine water converged to central water sump from roof water-bearing layer underground water and underground (and pass through mine water
Treatment plant is handled), for water quality there are significant difference, the groundwater reservoir built using different goafs stores top plate water-bearing layer respectively
Water and treating mine drainage plant effluent, and using sanitary sewage zero-emission, mine water cascade utilization as principle, using quality classification water supply, build
Vertical mine water resource Utilization Mode, to realize the comprehensive utilization and rational allocation of this mine water resource.
On the one hand the storage of mine water underground may be implemented in mine water resource method of comprehensive utilization based on mine water underground storage
It deposits and not outer row, another aspect can then protect the water resource with reasonable disposition mining area.Rational well industrial and mineral coal mine underground reservoir
Construction is not only related to topography and geomorphology, structure containing water barrier and the coal petrography column stability in the region etc., and and coal production
Mode, water treatment technology, drainage pipeline system form are closely related, under conditions of not influencing coal mine normally production, realize well
Lower coal mining disturbs the mine water to be formed after treating mine drainage factory and office manage, and is rationally delivered to the progress of downhole coal mine groundwater reservoir
Storage.Therefore, before realizing the mine water resource comprehensive utilization based on mine water underground storage, downhole coal mine underground need to be carried out
Reservoir stores the design of separate sources water.
For this purpose, the designer of the present invention, in view of drawbacks described above, by concentrating on studies and designing, synthesis is engaged in for many years for a long time
The experience and achievement of related industry, research and design go out a kind of mine water resource comprehensive utilization side based on mine water underground storage
Method, to overcome drawbacks described above.
Invention content
The purpose of the present invention is to provide a kind of mine water resource method of comprehensive utilization based on mine water underground storage, subtract
The invalid outer row of few mine water resource, avoids water resource waste；The outsourcing of domestic water is reduced, enterprise's correlative charges is saved.Most
The sustainable use of northern arid ecosystems vulnerable areas underground mine mine water resource is realized eventually, and farthest protects this area
Valuable groundwater resources.
To solve the above problems, the invention discloses a kind of, the mine water resource based on mine water underground storage comprehensively utilizes
Method, it is characterised in that comprise the following steps：
Step 1：Determine groundwater reservoir roof water text geologic parameter；
In this step, it based on areal geology hydrogeologic data, is dredged by ground Geology Drilling and underground
Discharge water drilling, determines roof earth formation and is distributed containing water barrier；
Step 2：Determine groundwater reservoir water storage system；
First, the hydrogeological parameter after being disturbed according to the exploitation that step 1 obtains, base is in the face goaf that respectively worked using underground
Plinth builds the first groundwater reservoir and the second groundwater reservoir, and first groundwater reservoir is located at the top of the second groundwater reservoir, described
Second groundwater reservoir is located at the top in non-water storage goaf, and the side of first groundwater reservoir and the second groundwater reservoir, which is equipped with, hangs down
The other side of the underground center main entry being directly arranged, underground center main entry is equipped with underground central water sump, first underground water
One end of library adjoining underground center main entry is connected to the lower end of underground center main entry by the first groundwater reservoir water supply pipe, described
One end of second groundwater reservoir adjoining underground center main entry is connected to underground center main entry by the second groundwater reservoir water supply pipe
Lower end, the underground central water sump is connected to underground central water sump pump house by pipeline, and the underground central water sump pump house is logical
Piping is connected to ground mine water treating stations, and the ground mine water treating stations are discharged discharge pipe line by treating mine drainage station
It is connected to the other end of the first groundwater reservoir；
Step 3：Mine water resource comprehensively utilizes；
By the groundwater reservoir water storage system of step 2, it is comprehensive that external water source, drainage underground and top plate water are included in water resource
It closes and utilizes, water resource utilization is carried out using quality classification water supply principle.
Wherein：In step 1, water-bearing layer is determined by bailing test, the infiltration coefficient in the water-bearing layer>0.05m/d, unit
Water yield q>0.1L/ (sm), acquisition core determine hydrogeological parameter, and wherein water-bearing layer is based on medium coarse sand rock, grain size>
0.25mm, porosity>20%, permeability>50um2。
Wherein：In step 2, each groundwater reservoir is built using coal column between face, the width of coal column between face>20m, coal column between face
Stability coefficient k > 3, and fire dam between the connection lane for meeting safety requirements is built, fire dam uses concrete wall between the lanes Mi Lian
In conjunction with the structure of anchor pole.
Wherein：Concrete wall is made of C42.5, thickness>2.3m, anchor pole use 18 reinforcing bars of Ф, aperture 60mm, spacing
1.5m, roll bolt length 1.8m penetrate coal seam and enter country rock 1m, two side anchors into country rock >=1m, bottom rock-bolt length 4.3m
Pole length 3.3m, into coal seam 2.5m.
Wherein：In step 2, the first groundwater reservoir of mine water and the second groundwater reservoir storage of storage top plate water are stored
Water water level<30m, by ground mine water treating stations treated mine water meet it is following require, turbidity<5.0NTU, COD<
15.0mg/L TOC<10.0mg/L BOD<4.0mg/L, ammonia nitrogen<1.0mg/L, nitrate<10.0mg/L Escherichia coli<250
A/100mL.
Wherein：In step 3, ground mine water treating stations that drainage underground is handled and the first groundwater reservoir are passed through
Discharge line is connected to non-domestic water, and the second groundwater reservoir is connected to life by discharge line together with external water source to be used
Water treatment station is supplied to domestic water, sanitary sewage to pass through sewage treatment plants again after being handled by domestic water treating stations
Non- domestic water is connected to after processing.
By above structure it is found that the mine water resource method of comprehensive utilization tool based on mine water underground storage of the present invention
There is following effect：
1, by geology, hydrogeology, the coal mining disturbance of well industrial and mineral coal mine underground reservoir construction, coal Rock pillar stability
Property analyzed, and the data such as mining area difference water source, water have been investigated, in the base of traditional hydrogeological groundwater reservoir construction
On plinth, it is proposed that the master-plan of the mine water resource method of comprehensive utilization based on mine water underground storage reduces mine water money
The invalid outer row in source, avoids water resource waste；The outsourcing of domestic water is reduced, enterprise's correlative charges is saved；
2, it realizes mine water resource underground storage using underground goaf, reduces earth's surface invalid evaporation, protection underground water money
Water environment pollution is reduced in source.
3, the groundwater reservoir for making full use of goaf to be formed, and top plate aquifer water and mine water are stored respectively, reduce work
Journey construction cost realizes mining area quality classification water supply.The final groundwater resources for realizing protecting ecology fragility mining area to the maximum extent.
The detailed content of the present invention can be obtained by aftermentioned explanation and institute's attached drawing.
Description of the drawings
Fig. 1 shows the schematic diagram of the mine water resource method of comprehensive utilization based on mine water underground storage of the present invention.
Fig. 2 shows the pattern diagram of the present invention.
Reference numeral：
1-the first groundwater reservoir；2-the second groundwater reservoir；3-the first groundwater reservoir water supply pipe；4-the second underground water
Library water supply pipe；5-underground central water sumps；6-underground central water sump pump houses；7-ground mine water treating stations；8-mine waters
Treating stations are discharged discharge pipe line；9-underground center main entrys；10-non-water storage goafs.
Specific implementation mode
Referring to Fig. 1 and 2, it is shown that the mine water resource method of comprehensive utilization of the invention based on mine water underground storage.
The mine water resource method of comprehensive utilization based on mine water underground storage needs the technical barrier solved to include：
To the proposed goaf for setting underground groundwater reservoir, it includes earth formation, containing water barrier distribution, exploitation Overburden Rock Failure etc. to need to carry out
The work of aspect, emphasis are the detections to top plate hydrogeologic condition variation characteristic after disturbance of mining；It is adopted with each working face in underground
Based on dead zone, using coal column between face, and fire dam between the connection lane for meeting safety requirements is built, built respectively for storing mine
Second groundwater reservoir of the first groundwater reservoir and storage top plate water of water；Water storage using downhole coal mine groundwater reservoir and purification
Function, using quality classification water supply, realizes the comprehensive of this mine water resource using sanitary sewage zero-emission, mine water cascade utilization as principle
Utilization and rational allocation are closed, and builds corresponding supply and discharge water lines.
Specific purposes to realize the present invention as a result, the present invention in the mine water resource based on mine water underground storage it is comprehensive
Conjunction is comprised the following steps using method：
Step 1：Determine groundwater reservoir roof water text geologic parameter；
In this step, based on areal geology hydrogeologic data, pass through ground Geology Drilling (trepanning Φ
190mm, bailing test section Φ 133mm) and the unrestrained water drilling hole in underground (trepanning Φ 127mm, outflow test section Φ 89mm), determine coal
Layer top plate earth formation and containing water barrier be distributed, wherein water-bearing layer is determined by bailing test, the infiltration coefficient in the water-bearing layer>
0.05m/d, specific capacity q>0.1L/ (sm), acquisition core send indoor rock sample grain size (thin section identification method under mirror), porosity
The methods of (hold-up fluid-discharge therapy), permeability (mercury injection method) determine hydrogeological parameter, and wherein water-bearing layer is with medium coarse sand rock
It is main, grain size>0.25mm, porosity>20%, permeability>50um2；
Step 2：Determine groundwater reservoir water storage system；
First, the hydrogeological parameter after being disturbed according to the exploitation that step 1 obtains, base is in the face goaf that respectively worked using underground
Plinth, builds the first groundwater reservoir 1 and the second groundwater reservoir 2, first groundwater reservoir 1 are located at the top of the second groundwater reservoir 2,
Second groundwater reservoir 2 is located at the top in non-water storage goaf 10, first groundwater reservoir, 1 and second groundwater reservoir 2
Side is equipped with vertically disposed underground center main entry 9, and the other side of underground center main entry 9 is equipped with underground central water sump, institute
The one end for stating the first groundwater reservoir 1 adjoining underground center main entry 9 is connected to underground center by the first groundwater reservoir water supply pipe 3
The lower end of main entry 9, one end that second groundwater reservoir 2 abuts underground center main entry 9 pass through the second groundwater reservoir water supply pipe 4
It is connected to the lower end of underground center main entry 9, the underground central water sump 5 is connected to underground central water sump pump house 6, institute by pipeline
It states underground central water sump pump house 6 and ground mine water treating stations 7 is connected to by pipeline, the ground mine water treating stations 7 pass through
Treating mine drainage station water outlet discharge pipe line 8 is connected to the other end of the first groundwater reservoir 1.
Wherein, coal column between face can be utilized by building each groundwater reservoir, the width of coal column between face>20m, stability of coal pillar system between face
Number k > 3, and fire dam between the connection lane for meeting safety requirements is built, fire dam uses concrete wall combination anchor pole between the lanes Mi Lian
Structure, wherein concrete wall is made of C42.5, thickness>2.3m, anchor pole use 18 reinforcing bars of Ф, aperture 60mm, spacing
1.5m, roll bolt length 1.8m penetrate coal seam and enter country rock 1m, two side anchors into country rock >=1m, bottom rock-bolt length 4.3m
Pole length 3.3m, into coal seam 2.5m.
Wherein, the second groundwater reservoir water storage water level of the first groundwater reservoir and storage top plate water of mine water is stored<
30m, the caliber of above-mentioned each pipeline are 108mm, and by ground mine water treating stations 7, treated that mine water injects the first underground water
Library, by ground mine water treating stations 7, treated that mine water must satisfy certain water quality index limit value requirement, including turbidity
<5.0NTU, COD<15.0mg/L TOC<10.0mg/L BOD<4.0mg/L, ammonia nitrogen<1.0mg/L, nitrate<10.0mg/L greatly
Enterobacteria<250/100mL, can also there be the underground water from top plate water-bearing layer in the first groundwater reservoir 1, and the second groundwater reservoir
2 are only had top plate water.
Wherein, ground mine water treating stations 7 include sequentially connected coagulating treatment device, precipitation process device and filtration treatment
Device.
Step 3：Mine water resource comprehensively utilizes；
As shown in Fig. 2, by the groundwater reservoir water storage system of step 2, the first groundwater reservoir 1 in downhole coal mine and are utilized
The water storage and purification function of the devices such as two groundwater reservoirs will be external using sanitary sewage zero-emission, mine water cascade utilization as principle
Water source, drainage underground and top plate water etc. are included in comprehensive utilization system of water source, and combine domestic water purifying station, sanitary sewage
Treatment plant, treating mine drainage factory, the first groundwater reservoir and the second groundwater reservoir, using quality classification water supply principle, (quality classification water supply refers to
According to the water quality requirement of the purposes such as life, production, greening, provide the water supply for meeting corresponding water quality requirement), i.e., by drainage underground into
The ground mine water treating stations 7 and the first groundwater reservoir 1 of row processing are connected to non-domestic water (comprising greening by discharge line
Pour and spill with water, coal preparation plant's cycle supplement water, underground fire sprinkler, thick loess grouting water etc.), the second groundwater reservoir 2 is passed through into row
Go out pipeline and be connected to domestic water treating stations together with external water source, life is supplied to use after being handled by domestic water treating stations
Water, sanitary sewage are connected to non-domestic water after being handled again by sewage treatment plants.
Drainage underground is entered into comprehensive utilization and the rational allocation that treating mine drainage realizes this mine water resource as a result, and
The supply and discharge water lines of water resource cycle can be realized by building, and caliber is the internal plastic spraying seamless steel pipe of DN300, using clamped joint
Connection.
As a result, through the above steps, the present invention by the geology of well industrial and mineral coal mine underground reservoir construction, hydrogeology,
Coal mining disturbance, coal petrography column stability are analyzed, and have investigated the data such as mining area difference water source, water, in tradition
On the basis of hydrogeological groundwater reservoir is built, it is proposed that the mine water resource method of comprehensive utilization based on mine water underground storage
Master-plan, reduce the invalid outer row of mine water resource, avoid water resource waste；The outsourcing of domestic water is reduced, enterprise is saved
Industry correlative charges.The final sustainable use for realizing northern arid ecosystems vulnerable areas underground mine mine water resource, and maximum journey
The groundwater resources of degree ground protection this area's preciousness.
In one particular embodiment of the present invention, mine water underground is based on Ordos Basin underground mine one kind
It is further described for the mine water resource method of comprehensive utilization of storage, which exploits Yanan Formation, Jurassic System
Layer, adopts 4 working faces of paneling, wherein 2 working faces have built coal mine underground reservoir respectively, by first mining face in head
As the second groundwater reservoir, for storing top plate water-bearing layer water；Using secondary mining face as the first groundwater reservoir, for storing
Treating mine drainage plant effluent can greatly reduce according to quality classification water supply principle using these water resources as shaft production domestic water
Purchase to surface water and groundwater resources, it is annual to reduce 2,160,000 yuan of (6.0 yuan/m of local water price of enterprise water use buying expenses3),
3,000,000 yuan of stain disease advanced treating expense is reduced, and the groundwater reservoir can be recycled for a long time, economic results in society are huge.
With a kind of mine water resource comprehensive utilization side based on mine water underground storage of Ordos Basin underground mine
It is further described for method, which exploits Yanan Formation, Jurassic System layer, adopts 4 works of paneling in head at present
Make face, wherein 2 working faces have built coal mine underground reservoir respectively, using first mining face as the second groundwater reservoir, for storing up
Deposit top plate water-bearing layer water；Using secondary mining face as the first groundwater reservoir, for storing treating mine drainage plant effluent, according to point
Matter water supply principle using these water resources as shaft production domestic water, therefore has been carried out one kind in conjunction with 2 groundwater reservoirs and has been based on
The design of the mine water resource method of comprehensive utilization of mine water underground storage.
Step 1：Groundwater reservoir top plate hydrology Geological Evolution is detected；
Based on the mine geology hydrogeologic data of Ordos Basin god mansion, constructed by ground and down hole drill,
It determines roof earth formation, containing water barrier distribution etc., and bailing test is carried out to the 4th system and Jurassic system water-bearing layer and is determined
Infiltration coefficient, infiltration coefficient>0.05m/d, specific capacity q>0.1L/ (sm), acquisition Jurassic system bedrock aquifer core are sent
The methods of indoor rock sample grain size (thin section identification method under mirror), porosity (hold-up fluid-discharge therapy), permeability (mercury injection method) determine
Hydrogeological parameter, wherein water-bearing layer are based on medium coarse sand rock, grain size>0.25mm, porosity>20%, permeability>50um2；
Step 2：Different type groundwater reservoir water storage system；
Hydrogeological parameter after the exploitation disturbance obtained according to step 1, it is mined out with each working face under No. 4 collieries of YAN ' AN FORMATION
Based on area, coal column between face, coal pillar width are utilized>20m, stability of coal pillar coefficient k>3, and build the connection lane for meeting safety requirements
Between fire dam, fire dam use C42.5 concrete proportionings, thickness>2.3m, grouted rock bolt use 18 reinforcing bars of Ф, aperture 60mm,
Away from 1.5m, roll bolt length 1.8m 1m is no less than into country rock.Bottom rock-bolt length 4.3m penetrates coal seam and enters country rock 1m.
Both sides rock-bolt length 3.3m, into coal seam 2.5m.Store the second ground of the first groundwater reservoir and storage top plate water of mine water
Lower storage reservoir water storage water level<30m；Form the discharge pipe line of connection ground mine water treatment plant, caliber 108mm, by mine after processing
Water injects the first groundwater reservoir, and mine water must satisfy certain water quality index limit value requirement, including turbidity after processing<
5.0NTU, COD<15.0mg/L TOC<10.0mg/L BOD<4.0mg/L, ammonia nitrogen<1.0mg/L, nitrate<10.0mg/L greatly
Enterobacteria<250/100mL.Underground water of first groundwater reservoir also from top plate water-bearing layer；Second groundwater reservoir then only connects
By the underground water from top plate water-bearing layer；
Step 3：Mine water resource Utilization Mode；
Using the water storage and purification function of downhole coal mine groundwater reservoir, with sanitary sewage zero-emission, mine water cascade utilization
For principle, external water source, drainage underground and top plate water etc. are included in comprehensive utilization system of water source (Fig. 2), and combine life
With water cleaning station, sewage treatment plants, treating mine drainage factory, the first groundwater reservoir and the second groundwater reservoir, wherein the first ground
Effluent quality meets turbidity after lower storage reservoir storage<2.0NTU, COD<8.0mg/L, TOC<5.0mg/L, BOD<3.0mg/L, ammonia nitrogen<
0.5mg/L, nitrate<3.0mg/L, Escherichia coli must not detect；Effluent quality meets turbidity after the storage of second groundwater reservoir<
1.0NTU, COD<3.0mg/L, TOC<2.0mg/L, BOD<1.0mg/L, ammonia nitrogen<0.5mg/L, nitrate<1.0mg/L, large intestine bar
Bacterium must not detect；Using quality classification water supply, the comprehensive utilization and rational allocation of this mine water resource are realized, and construction can realize water
The supply and discharge water lines of resources circulation.
A kind of mine water resource method of comprehensive utilization based on mine water underground storage of the invention has following excellent as a result,
Point：
1, pass through geology to northern ecologically fragile areas Large-scale Coal base well industrial and mineral coal mine underground reservoir construction, the hydrology
Matter, coal mining disturbance, coal petrography column stability are analyzed, and have investigated the data such as mining area difference water source, water, are passing
The hydrogeological field of system is built using geohydrologic unit on the basis of groundwater reservoir, it is proposed that based on mine water underground storage
The master-plan of mine water resource method of comprehensive utilization reduces the invalid outer row of mine water resource, avoids water resource waste；It reduces
Enterprise's correlative charges is saved in the outsourcing of mining area production and living water；
2, it realizes mine water resource underground storage using underground goaf, reduces earth's surface invalid evaporation, protection underground water money
Water environment pollution is reduced in source.
3, the groundwater reservoir for making full use of goaf to be formed, and top plate aquifer water and mine water are stored respectively, reduce work
Journey construction cost handles the large-scale low-cost storage of mine water, and has reached mine water resource based on quality classification water supply principle
Effective storage, economic treatment, distribute rationally and rationally utilize.The final ground for realizing protecting ecology fragility mining area to the maximum extent
Lower water resource.
It is readily apparent that above description and record is only illustrated in the disclosure being not intended to be limiting of the invention
Appearance, application or use.Although describing and being described in the accompanying drawings embodiment in embodiment, the present invention does not limit
Be described as by attached drawing example and in embodiment it is now recognized that optimal mode to implement the particular case of the teachings of the present invention
Son, the scope of the present invention is by any embodiment of the description and appended claims including falling into front.
Claims (6)
1. a kind of mine water resource method of comprehensive utilization based on mine water underground storage, it is characterised in that comprise the following steps：
Step 1：Determine groundwater reservoir roof water text geologic parameter；
In this step, based on areal geology hydrogeologic data, pass through the unrestrained water of ground Geology Drilling and underground
Drilling determines roof earth formation and is distributed containing water barrier；
Step 2：Determine groundwater reservoir water storage system；
First, the hydrogeological parameter after being disturbed according to the exploitation that step 1 obtains, based on underground respectively works face goaf,
Build the first groundwater reservoir and the second groundwater reservoir, first groundwater reservoir is located at the top of the second groundwater reservoir, and described
Two groundwater reservoirs are located at the top in non-water storage goaf, and the side of first groundwater reservoir and the second groundwater reservoir is equipped with vertical
The other side of the underground center main entry of setting, underground center main entry is equipped with underground central water sump, first groundwater reservoir
One end of adjacent underground center main entry is connected to the lower end of underground center main entry by the first groundwater reservoir water supply pipe, and described the
One end of two groundwater reservoirs adjoining underground center main entry is connected to underground center main entry by the second groundwater reservoir water supply pipe
Lower end, the underground central water sump are connected to underground central water sump pump house by pipeline, and the underground central water sump pump house passes through
Pipeline is connected to ground mine water treating stations, and the ground mine water treating stations are discharged discharge pipe line by treating mine drainage station and connect
Pass to the other end of the first groundwater reservoir；
Step 3：Mine water resource comprehensively utilizes；
By the groundwater reservoir water storage system of step 2, external water source, drainage underground and top plate water are included in water resource synthesis profit
With using the progress water resource utilization of quality classification water supply principle.
2. the mine water resource method of comprehensive utilization based on mine water underground storage as described in claim 1, it is characterised in that：
In step 1, water-bearing layer is determined by bailing test, the infiltration coefficient in the water-bearing layer>0.05m/d, specific capacity q>0.1L/
(sm), acquisition core determines hydrogeological parameter, and wherein water-bearing layer is based on medium coarse sand rock, grain size>0.25mm, porosity>
20%, permeability>50um2。
3. the mine water resource method of comprehensive utilization based on mine water underground storage as described in claim 1, it is characterised in that：
In step 2, each groundwater reservoir is built using coal column between face, the width of coal column between face>20m, stability of coal pillar coefficient k > between face
3, and fire dam between the connection lane for meeting safety requirements is built, fire dam uses the knot of concrete wall combination anchor pole between the lanes Mi Lian
Structure.
4. the mine water resource method of comprehensive utilization based on mine water underground storage as claimed in claim 2, it is characterised in that：
Concrete wall is made of C42.5, thickness>2.3m, anchor pole use 18 reinforcing bars of Ф, aperture 60mm, spacing 1.5m, roll bolt
Length 1.8m penetrates coal seam and enters country rock 1m, both sides rock-bolt length 3.3m into country rock >=1m, bottom rock-bolt length 4.3m, into
Enter coal seam 2.5m.
5. the mine water resource method of comprehensive utilization based on mine water underground storage as described in claim 1, it is characterised in that：
In step 2, the second groundwater reservoir water storage water level of the first groundwater reservoir and storage top plate water of mine water is stored<30m leads to
Cross ground mine water treating stations treated mine water meet it is following require, turbidity<5.0NTU, COD<15.0mg/L TOC<
10.0mg/L BOD<4.0mg/L, ammonia nitrogen<1.0mg/L, nitrate<10.0mg/L Escherichia coli<250/100mL.
6. the mine water resource method of comprehensive utilization based on mine water underground storage as described in claim 1, it is characterised in that：
In step 3, ground mine water treating stations that drainage underground is handled and the first groundwater reservoir are connected by discharge line
To non-domestic water, the second groundwater reservoir is connected to domestic water treating stations by discharge line together with external water source, led to
It crosses after domestic water treating stations are handled after being supplied to domestic water, sanitary sewage to be handled again by sewage treatment plants and is connected to
Non- domestic water.
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| CN110206099A (en) * | 2019-06-14 | 2019-09-06 | 国家能源投资集团有限责任公司 | Underground water system |
| CN111577382A (en) * | 2020-04-14 | 2020-08-25 | 河北昕佳工程勘查设计有限公司 | Water damage prevention and comprehensive water resource utilization method for karst big water iron mine in Hebei Handan chen region |
| CN111705871A (en) * | 2020-06-29 | 2020-09-25 | 神华神东煤炭集团有限责任公司 | Underground water recharging treatment system, construction method and mine water recharging method |
| CN112901271A (en) * | 2021-03-17 | 2021-06-04 | 中国煤炭地质总局勘查研究总院 | Method for constructing underground water storage space in secondary stratum |
| CN113449890A (en) * | 2021-07-16 | 2021-09-28 | 中国水利水电科学研究院 | Efficient utilization and optimized allocation method for coal mine water area |
| CN113762774A (en) * | 2021-07-07 | 2021-12-07 | 中国水利水电科学研究院 | Method for preparing mine water at site of mining area |
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| CN113762774A (en) * | 2021-07-07 | 2021-12-07 | 中国水利水电科学研究院 | Method for preparing mine water at site of mining area |
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| CN113951114A (en) * | 2021-11-18 | 2022-01-21 | 新疆大学 | Off-grid photovoltaic intelligent irrigation system based on coal mine underground reservoir |
| CN114031221A (en) * | 2021-12-03 | 2022-02-11 | 黄河勘测规划设计研究院有限公司 | Water treatment system and method for treating high-sand-content source water |
| CN114109492A (en) * | 2021-12-10 | 2022-03-01 | 国家能源投资集团有限责任公司 | Construction method of coal mine double-layer underground reservoir |
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