CN109139109A - A kind of method on the artificial water storage stratum of solid filling coal-mining technique - Google Patents
A kind of method on the artificial water storage stratum of solid filling coal-mining technique Download PDFInfo
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- CN109139109A CN109139109A CN201810869745.XA CN201810869745A CN109139109A CN 109139109 A CN109139109 A CN 109139109A CN 201810869745 A CN201810869745 A CN 201810869745A CN 109139109 A CN109139109 A CN 109139109A
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- water storage
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- coal
- storage stratum
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/16—Modification of mine passages or chambers for storage purposes, especially for liquids or gases
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
Abstract
A kind of method on the artificial water storage stratum of solid filling coal-mining technique, includes the following steps: to implement the goaf filling that non-sold stowing band and sold stowing band alternate to mining area coal column and periphery coal seam, forms artificial water storage stratum in the goaf of non-sold stowing band；And surface precipitation is introduced into artificial water storage stratum by mining induced fissure seepage channel and two kinds of artificial recharge channel approach.The present invention can not only safe and efficient coal pillar recovery press coal, and can make full use of and handle mining area solid waste, construct water storage stratum, that is, form groundwater reservoir, solve the problems, such as storage and the Sustainable use of water shortage mine water resource.This method is simple, and securely and reliably, it is convenient to promote and apply, and has good economic, society and environmental benefit.
Description
Technical field
The present invention relates to a kind of methods on the artificial water storage stratum of solid filling coal-mining technique, are particularly suitable for water shortage mining area coal
The water-retaining production of layer or protection coal pillar.
Background technique
14, China Large-scale Coal base, in addition to Yunnan-Guizhou, the two Hua Areas and the base Meng Dong, 11 coal bases all seriously lack
Water, especially the Northwest account for the coal resources in the whole nation 75%, and water resource is only the whole nation 20% or so, and precipitation is mostly along ground
Table runoff is lost quickly, and surface water drain evaporation is serious.Modernization mining area mostly uses greatly longwell to be caving formula exploitation, and goaf is quickly
The overlying strata compacting being caving, and effective water-bearing layer is not present in water shortage mining area mostly in the overlying strata of coal seam, can not form water space,
Mining area surface precipitation loss after exploitation is even more serious, and mining area water shortage problem can be protruded more.On the other hand, general mining area all can
It can not be recycled containing a large amount of protection coal pillars, while can also discharge the solid waste such as a large amount of spoils.
Summary of the invention
In order to overcome existing above-mentioned deficiency, the present invention provides a kind of side on artificial water storage stratum of solid filling coal-mining technique
Method, can not only safe and efficient coal pillar recovery press coal, and can make full use of and handle mining area solid waste, construction water storage
Layer, that is, form groundwater reservoir, solve the problems, such as storage and the Sustainable use of water shortage mine water resource.
The technical solution used to solve the technical problems of the present invention is that: include the following steps: to mining area coal column and periphery coal
Layer implements the goaf filling that non-sold stowing band and sold stowing band alternate, and forms people in the goaf of non-sold stowing band
Make water storage stratum；And surface precipitation is introduced by artificial water storage by mining induced fissure seepage channel and two kinds of artificial recharge channel approach
In stratum.
Wherein, the forming process in the artificial recharge channel is: building nature drop compared with low-lying district on above goaf ground
Water collecting-tank is connected to from bottom of pond to artificial water storage earth-boring.
Further, the volume V on the artificial water storage stratum are as follows:
In formula, l is the tendency length of non-sold stowing band；D is the strike length of single non-sold stowing band；H is work
Face mining height；For the pack completeness of non-sold stowing band；A is the amount of crushing of non-sold stowing band；N is non-sold stowing band
Quantity.
Preferably, the solids for filling the material selection mining area developing spoil, drift-sand or the loess that use.
Further, the ratio between the width of the sold stowing band and height of coal mining are defined as the ratio of width to height, ratio is
The foundation of γ, setting γ parameter value are to ensure that the long-time stability of sold stowing band, and form permanent goaf hole.Meanwhile
Meet strata movement and surface subsidence control index request.γ can pass through the strata movement of mining rock and subsidence control
Theory analysis processed provides.
In view of the convenience of construction, it is preferable that the non-sold stowing band is of same size with sold stowing band.
It further, can also be in non-sold stowing band in order to guarantee the pack completeness in sold stowing band and its stability
Barricade is isolated in arrangement between sold stowing band.
Compared with prior art, the method on the artificial water storage stratum of a kind of solid filling coal-mining technique of the invention, by mine
The goaf filling that non-sold stowing band and sold stowing band alternate is implemented in area's coal column and periphery coal seam, and control mining overburden is non-
It is sufficiently caving, to form stable permanent hole in the goaf of non-sold stowing band, becomes artificial water storage stratum.As it can be seen that
This method can not only safe and efficient coal pillar recovery press coal, and can make full use of and handle mining area solid waste, construct water storage
Stratum forms groundwater reservoir, and to artificial water storage by the two kinds of approach in artificial recharge channel and mining induced fissure seepage channel
Layer water storage, realizes the protection of water shortage mine water resource, and water resource solves water shortage mining area water money for mining area utilization after purification
The storage and Sustainable use problem in source.This method technical method is simple, and securely and reliably, it is convenient to promote and apply, and has good warp
Ji, society and environmental benefit.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic illustration on the artificial water storage stratum of one embodiment of the invention, and arrow instruction is working face in figure
Direction of propulsion.
In figure: 1, natural precipitation collecting-tank, 2, mining induced fissure seepage channel, 3, artificial recharge channel, 4, coal seam, 5, non-close
Real packwall, 6, sold stowing band, 7, isolation barricade, 8, filling coal mining hydraulic support, 9, filling coal mining working face, 10, artificial
Water storage stratum.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
Fig. 1 shows the structural schematic diagram of a preferred embodiment of the invention, be by taking certain mine CT3210 working face as an example,
A kind of method on the artificial water storage stratum of solid filling coal-mining technique of the invention is specifically described:
A. CT3210 filling coal mining working face 9 is arranged by solid filling in the mine boundary protection coal column region of the mine,
The tendency length l of the filling coal mining working face 9 is 150m, and advance of the face length is 1800m, and mining height h is 3m.It is adopted using filling
Coal hydraulic bracket 8 supports face roof, mines and is compacted solid filling object (material with filling parallel operations, the rear part rammer compacter
Material), realize sold stowing.
B. according to exploiting field sand coated iron mold and strata movement law-analysing, and in view of mining and filling process requirement, setting
The ratio of width to height γ is 2, i.e. the width d of sold stowing band 6 and non-sold stowing band 5 is 6m, and the quantity n of non-sold stowing band is
150.Since coal column region mining induced stress is more concentrated, it is sufficiently caving state to guarantee that controlroof is in non-, is determined non-closely knit
The pack completeness of fill areaIt is 0.55.
C. low-lying district builds the natural precipitation collecting-tank 1 on ground above exploiting field, and natural collecting-tank bottom is by double drillings and filling
Goaf communicates, as the artificial channel for collecting surface precipitation.
D. condition is amounted to according to the solid filling object of the mine, the material using mining area developing spoil as filling, due to this
A little materials are naturally pollution-free, reasonably handled mining area hillock problem in this way.
E. it observes obtaining with subsidence according to strata movement, the amount of the crushing a of non-sold stowing band 5 is 0.9m, then
The groundwater reservoir formed after the exploitation of CT3210 working face solid filling can be obtained by the volume calculations formula on artificial water storage stratum 10
Volume V be 6.075 × 104m3。
Advantage of the invention is as follows:
(1) solid filling coal-mining technique liberation " under three " (under building, under road, under water body) pressure coal resource is taken, it can
It realizes safe working, improves coal recovery rate；And alternated by the non-sold stowing band 5 of implementation and sold stowing band 6
Goaf filling forms stable permanent hole in the goaf of non-sold stowing band 5, becomes artificial water storage stratum 10.
(2) by the 2 two kinds of approach in artificial recharge channel 3 and mining induced fissure seepage channel to artificial 10 water storage of water storage stratum,
The protection for realizing water shortage mine water resource, water resource is after purification for mining area utilization.
(3) mining area solid waste is rationally utilized, solves the problems, such as mining area hillock, and this attal is naturally without dirt
Dye, not will cause secondary pollution.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit of the invention, any simple modification and same variation are made to above embodiments, each fall within guarantor of the invention
Within the scope of shield.
Claims (7)
1. a kind of method on the artificial water storage stratum of solid filling coal-mining technique, characterized in that include the following steps: to mining area coal column
And the goaf filling that periphery coal seam (4) implement non-sold stowing band (5) and sold stowing band (6) alternates, it closely knit is filled non-
The goaf for filling out band (5) forms artificial water storage stratum (10)；And pass through mining induced fissure seepage channel (2) and artificial recharge channel
Surface precipitation is introduced into artificial water storage stratum (10) by (3) two kinds of approach.
2. the method on the artificial water storage stratum of a kind of solid filling coal-mining technique according to claim 1, it is characterized in that: described
The volume V of artificial water storage stratum (10) are as follows:
In formula, l is the tendency length of non-sold stowing band (5)；D is the strike length of single non-sold stowing band (5)；H is work
Make face mining height；For the pack completeness of non-sold stowing band (5)；A is the amount of crushing of non-sold stowing band (5)；N is non-closely knit
The quantity of packwall (5).
3. a kind of method on the artificial water storage stratum of solid filling coal-mining technique according to claim 1 or 2, it is characterized in that:
The forming process of the artificial recharge channel (3) is: building natural precipitation collecting-tank compared with low-lying district on above goaf ground
(1), it drills and is connected to from bottom of pond to artificial water storage stratum (10).
4. a kind of method on the artificial water storage stratum of solid filling coal-mining technique according to claim 1 or 2, it is characterized in that:
The solids for filling the material selection mining area developing spoil, drift-sand or the loess that use.
5. a kind of method on the artificial water storage stratum of solid filling coal-mining technique according to claim 1 or 2, it is characterized in that:
The ratio between the width of the sold stowing band (6) and height of coal mining are defined as the ratio of width to height, ratio γ passes through mining rock
Strata movement is provided with surface subsidence control theory analysis.
6. the method on the artificial water storage stratum of a kind of solid filling coal-mining technique according to claim 5, it is characterized in that: described
Non- sold stowing band (5) is of same size with sold stowing band (6).
7. a kind of method on the artificial water storage stratum of solid filling coal-mining technique according to claim 1 or 2, it is characterized in that:
Barricade (7) are isolated in arrangement between non-sold stowing band (5) and sold stowing band (6).
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Cited By (7)
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|---|---|---|---|---|
| CN109973095A (en) * | 2019-05-14 | 2019-07-05 | 中国矿业大学 | A kind of method of coal mine solid filling exploitation reconstruction groundwater storage space |
| CN110344877A (en) * | 2019-08-02 | 2019-10-18 | 新疆大学 | The method of carbon dioxide gas is stored in the goaf of porous media filling |
| CN111577280A (en) * | 2020-05-19 | 2020-08-25 | 中国矿业大学 | Mining area multi-layer water resource collaborative protective mining method |
| CN113638769A (en) * | 2021-08-27 | 2021-11-12 | 烟台杰瑞石油装备技术有限公司 | Goaf filling method |
| CN114017108A (en) * | 2021-11-04 | 2022-02-08 | 河南理工大学 | Gangue functional type partially-filled coal mine underground reservoir |
| CN114575847A (en) * | 2022-03-15 | 2022-06-03 | 中国矿业大学(北京) | Method for integrating water-retaining mining of shallow coal seam and construction of underground reservoir |
| CN115853583A (en) * | 2022-09-02 | 2023-03-28 | 中国矿业大学 | Method for reforming and utilizing abandoned mine roadway |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973095A (en) * | 2019-05-14 | 2019-07-05 | 中国矿业大学 | A kind of method of coal mine solid filling exploitation reconstruction groundwater storage space |
| CN109973095B (en) * | 2019-05-14 | 2020-04-24 | 中国矿业大学 | Method for reconstructing underground water storage space in coal mine solid filling mining |
| CN110344877A (en) * | 2019-08-02 | 2019-10-18 | 新疆大学 | The method of carbon dioxide gas is stored in the goaf of porous media filling |
| CN111577280A (en) * | 2020-05-19 | 2020-08-25 | 中国矿业大学 | Mining area multi-layer water resource collaborative protective mining method |
| CN111577280B (en) * | 2020-05-19 | 2021-04-27 | 中国矿业大学 | Mining area multi-layer water resource collaborative protective mining method |
| CN113638769A (en) * | 2021-08-27 | 2021-11-12 | 烟台杰瑞石油装备技术有限公司 | Goaf filling method |
| CN113638769B (en) * | 2021-08-27 | 2023-12-01 | 烟台杰瑞石油装备技术有限公司 | Goaf filling method |
| CN114017108A (en) * | 2021-11-04 | 2022-02-08 | 河南理工大学 | Gangue functional type partially-filled coal mine underground reservoir |
| CN114017108B (en) * | 2021-11-04 | 2024-02-02 | 河南理工大学 | Gangue functional type partial filling coal mine underground reservoir |
| CN114575847A (en) * | 2022-03-15 | 2022-06-03 | 中国矿业大学(北京) | Method for integrating water-retaining mining of shallow coal seam and construction of underground reservoir |
| CN115853583A (en) * | 2022-09-02 | 2023-03-28 | 中国矿业大学 | Method for reforming and utilizing abandoned mine roadway |
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