CN207133283U - A kind of water conservation filling mining simulation test device - Google Patents
A kind of water conservation filling mining simulation test device Download PDFInfo
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- CN207133283U CN207133283U CN201720871815.6U CN201720871815U CN207133283U CN 207133283 U CN207133283 U CN 207133283U CN 201720871815 U CN201720871815 U CN 201720871815U CN 207133283 U CN207133283 U CN 207133283U
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Abstract
A kind of water conservation filling mining simulation test device of the present utility model, includes the experimental framework of cuboid, and experimental framework bottom is provided with bottom plate, packed layer, coal seam, overlying rock are provided with from down to up above bottom plate；Wherein coal seam is to be formed full of oily and close horizontally arranged multiple oil sacs by experiment original state, packed layer by experiment original state for it is empty it is multiple can oil-filled oil sac form；The monitoring device layer for detecting pressure and displacement is provided between packed layer and coal seam, monitoring device layer is connected with data acquisition device.The utility model can simulate in water protection mining " Bian Caibian is filled out " process, in experimentation, it can monitor in stowing operation and overlying rock and the dynamic process of the interphase interaction of filler, filling technique and charges research to water protection mining have great significance after the completion of filling.
Description
Technical field
The utility model belongs to colliery experimental provision field, specially a kind of water conservation filling mining simulation test device.
Background technology
The target of water-retaining production (water protection mining) is while stope gushing water is prevented and treated, and conscious guarantor is carried out to water resource
Shield, makes coal mining be less than Regional Hydrologic environmental carrying capacity to the disturbance quantity of mining area hydrological environment.Study overlying rock after mining
Disrumpent feelings rule and cone of groundwater formation mechenism, taken measures from mining methods, surface grout injection etc., realize mine water
The protection and comprehensive utilization of resource.
Gob collapse be because ore body (layer) is mined out, caused by Overburden Rock Failure.Bury all size ore body quilt in underground
After adopting, digging sky, the mechanical balance of ore body top overlying strata will be broken.Under gravity and stress, just produce crack and
Offset, underground water are taken advantage of a weak point, and by crack to goaf seepage, this accelerates the destruction of overlying strata, causes rock stratum and earth's surface again
It is mobile, ultimately form mined-out region.Subsidence area not only results in depletion of groundwater, and arable land is destroyed, the deterioration of the ecological environment, also
It can be damaged local house, road ground cleave deforms, and the Important Project such as highway, railway, airport and urban architecture are because of processing
Gob collapse and increase and build difficulty and expense.Therefore, the research of coal mine gob filling technology is more and more important.
It is a kind of important way of goaf filling technology during research water protection mining using laboratory similarity simulation experiment
Footpath.In current existing simulated experiment, it is impossible to embody the phase between the dynamic process and overlying rock and charges of filling
Interaction process, therefore, it is necessary to the analogue means of " Bian Caibian is filled out " process can be simulated in water protection mining by designing one kind, for grinding
Study carefully coal mine gob filling technology important in inhibiting.
The content of the invention
The utility model provides a kind of water conservation filling mining simulation test device aiming at above-mentioned defect.This
Utility model can simulate in water protection mining " Bian Caibian is filled out " process, in experimentation, can monitor in stowing operation and fill
Overlying rock and the dynamic process of the interphase interaction of filler, grind to the filling technique and charges of water protection mining after the completion of filling out
Studying carefully has great significance.
A kind of water conservation filling mining simulation test device technical scheme of the present utility model is to include the experiment frame of cuboid
Frame, experimental framework bottom are provided with bottom plate, packed layer, coal seam, overlying rock are provided with from down to up above bottom plate；Wherein coal seam
It is to be formed full of oily and close horizontally arranged multiple oil sacs by experiment original state, packed layer is empty by experiment original state
It is multiple can oil-filled oil sac composition, the oil sac of the packed layer is full of close-packed arrays under oil condition；Set between packed layer and coal seam
The monitoring device layer for detecting pressure and displacement is equipped with, monitoring device layer is connected with data acquisition device.
The oil sac is in cuboid, is scalable oil sac, is high-strength rubber oil sac.
One oil sac is connected with a branch road petroleum pipeline, and all branches petroleum pipeline in coal seam or packed layer is in parallel, often
Flowmeter and control valve are in series with root branch road petroleum pipeline；Branch road petroleum pipeline in parallel merge into after the petroleum pipeline of main line again successively with
Pump is connected with fuel tank, and flowmeter, control valve and pump are connected with controller.
Aquifer and aquifuge is provided with the overlying rock；The water barrier is located at the lower section in water-bearing layer, overlying rock
Top is provided with pressue device.
Described detection means layer is located at packed layer upper surface, and detection means layer includes displacement transducer and pressure sensing
Device, displacement transducer and pressure sensor are connected by data acquisition device with controller.
Described experimental framework is by bottom plate, the top plate relative with bottom plate, the front positioned at two maximum area opposite flanks
Plate and rear baffle and the side board positioned at two opposite flanks, two of which side board, front apron, rear baffle and top plate
It is all dismantled and assembled.
Two side boards and front apron, rear baffle are transparent baffle.
The beneficial effects of the utility model are：Coal seam and packed layer are all made up of oil sac, can be in accurate simulation water protection mining
" Bian Caibian is filled out " process, close to actual mining scene, the detection means layer being arranged above packed layer, it can record and transmit in real time
Data can accurately draw the worked upon data of overlying rock in water protection mining to packed layer to controller, transparent side shield and it is preceding,
Rear baffle design observation device internal dynamic, filling technique and charges research to water protection mining can have important meaning at any time
Justice.
Brief description of the drawings：
Fig. 1 show structural representation of the present utility model；
Fig. 2 show monitoring device layer top view in the utility model；
Fig. 3 show in the utility model the oil-filled structural representation of oil sac in coal seam or packed layer.
In figure：1- tests framework；2- bottom plates；3- coal seams；4- overlying rocks；5- pressue devices；6- water-bearing layers；7- water proofs
Layer；8- monitoring device layers, 9- packed layers, 10- side boards, 11- rear baffles, 30- oil sacs, 31- branch road petroleum pipelines, 32- flows
Meter, 33- control valves, 34- pumps, 35- fuel tanks, 37- main lines petroleum pipeline, 81- displacement transducers；82- pressure sensors, 83- data
Harvester, 84- controllers.
Embodiment：
In order to more fully understand the utility model, technical side of the present utility model is described in detail with instantiation below
Case, but the utility model is not limited thereto.
Embodiment 1
A kind of water conservation filling mining simulation test device of the present utility model, include the experimental framework 1 of cuboid, test frame
The bottom of frame 1 is provided with bottom plate 2, and the top of bottom plate 2 is provided with packed layer 9, coal seam 3, overlying rock 4 from down to up；Wherein coal seam 3 by
Experiment original state is to be formed full of oil and in the close horizontally arranged 12-60 oil sac 30 of matrix, and packed layer 9 is initial by testing
State for empty 12-60 can oil-filled oil sac 30 form, the oil sac 30 of the packed layer 9 is full of close-packed arrays under oil condition；
The monitoring device layer 8 for detecting pressure and displacement, monitoring device layer 8 and data acquisition are provided between packed layer 9 and coal seam 3
Device 83 connects.
The oil sac 30 is in cuboid, is scalable oil sac, is high-strength rubber oil sac.
One oil sac 30 is connected with a branch road petroleum pipeline 31, all branches petroleum pipeline 31 in coal seam 3 or packed layer 9
Parallel connection, flowmeter 32 and control valve 33 are in series with every branch road petroleum pipeline 31；Branch road petroleum pipeline 31 in parallel merges into main line
It is connected successively with pump 34 and fuel tank 35 again after petroleum pipeline 37, flowmeter 32, control valve 33 and pump 34 are connected with controller 84.
Water-bearing layer 6 and water barrier 7 are provided with the overlying rock 4；The water barrier 7 is located at the lower section in water-bearing layer 6, overlying
The top of rock stratum 4 is provided with pressue device 5.
Described detection means layer 8 is located at the upper surface of packed layer 9, and detection means layer 8 includes displacement transducer 81 and pressure
Sensor 82, displacement transducer 81 and pressure sensor 82 are connected by data acquisition device 83 with controller 84.
Described experimental framework 1 by bottom plate 2, the top plate relative with bottom plate 2, before two maximum area opposite flanks
Baffle plate and rear baffle 11 and the side board 10 positioned at two opposite flanks, two of which side board 10, front apron, rear gear
Plate 11 and top plate are all dismantled and assembled.
Two side boards 10 and front apron, rear baffle 11 are transparent baffle.
In experimentation, when carrying out coal seam excavation, according to the actual mining height of coal-face, the oil sac 30 in regulation coal seam 3
Middle oil mass gradually decreases, while fills the correspondence position oil sac 30 in the packed layer 9 in goaf, utilizes the pressure at the top of packed layer 9
Force snesor 82 and the monitoring record pressure of displacement transducer 81 and change in displacement situation, dynamic analog overlying rock 4 and packed layer 9
Between effect.
Claims (7)
1. a kind of water conservation filling mining simulation test device, it is characterised in that the experimental framework including cuboid, experimental framework bottom
Portion is provided with bottom plate, and packed layer, coal seam, overlying rock are provided with from down to up above bottom plate；Wherein coal seam is by experiment initial shape
State is that packed layer can oil-filled oil for the multiple of sky by experiment original state full of oily and close horizontally arranged multiple oil sacs composition
Capsule forms, and the oil sac of the packed layer is full of close-packed arrays under oil condition；It is provided between packed layer and coal seam for detecting
Pressure and the monitoring device layer of displacement, monitoring device layer are connected with data acquisition device.
2. a kind of water conservation filling mining simulation test device according to claim 1, it is characterised in that the oil sac is in length
Cube, it is scalable oil sac, is high-strength rubber oil sac.
3. a kind of water conservation filling mining simulation test device according to claim 1 a, it is characterised in that oil sac and one
Individual branch road petroleum pipeline is connected, and all branches petroleum pipeline in coal seam or packed layer is in parallel, is in series with every branch road petroleum pipeline
Flowmeter and control valve；Branch road petroleum pipeline in parallel is merged into after the petroleum pipeline of main line to be connected with pump and fuel tank successively again, flowmeter,
Control valve and pump are connected with controller.
A kind of 4. water conservation filling mining simulation test device according to claim 1, it is characterised in that the overlying rock
In be provided with aquifer and aquifuge；The water barrier is located at the lower section in water-bearing layer, and pressue device is provided with above overlying rock.
A kind of 5. water conservation filling mining simulation test device according to claim 1, it is characterised in that described detection dress
Put layer and be located at packed layer upper surface, detection means layer includes displacement transducer and pressure sensor, and displacement transducer and pressure pass
Sensor is connected by data acquisition device with controller.
A kind of 6. water conservation filling mining simulation test device according to claim 1, it is characterised in that described experiment frame
Frame is by bottom plate, the top plate relative with bottom plate, the front apron positioned at two maximum area opposite flanks and rear baffle and positioned at two
The side board of individual opposite flank, two of which side board, front apron, rear baffle and top plate are all dismantled and assembled.
A kind of 7. water conservation filling mining simulation test device according to claim 1, it is characterised in that two side boards
And front apron, rear baffle are transparent baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871815.6U CN207133283U (en) | 2017-07-18 | 2017-07-18 | A kind of water conservation filling mining simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871815.6U CN207133283U (en) | 2017-07-18 | 2017-07-18 | A kind of water conservation filling mining simulation test device |
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| Publication Number | Publication Date |
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| CN207133283U true CN207133283U (en) | 2018-03-23 |
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| CN201720871815.6U Expired - Fee Related CN207133283U (en) | 2017-07-18 | 2017-07-18 | A kind of water conservation filling mining simulation test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279297A (en) * | 2018-03-26 | 2018-07-13 | 山东科技大学 | Solid material strip filling stability simulation system, subject and method |
| CN108755569A (en) * | 2018-05-17 | 2018-11-06 | 中国矿业大学(北京) | A kind of large-scale analog simulation device with water-bearing layer simulator |
| CN110018291A (en) * | 2019-04-18 | 2019-07-16 | 中国矿业大学 | A kind of filling mining fluid structurecoupling physical simulation experiment test system |
| CN112147269A (en) * | 2020-09-30 | 2020-12-29 | 中国矿业大学(北京) | Laboratory analog simulation device for simulating gasification process of underground coal seam |
| CN113654817A (en) * | 2021-07-20 | 2021-11-16 | 中国矿业大学 | Multifunctional three-dimensional similar material simulation test system |
| CN115083254A (en) * | 2022-07-22 | 2022-09-20 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Simulation device for monitoring dynamic evolution of mine filling layer in real time for long time |
-
2017
- 2017-07-18 CN CN201720871815.6U patent/CN207133283U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279297A (en) * | 2018-03-26 | 2018-07-13 | 山东科技大学 | Solid material strip filling stability simulation system, subject and method |
| CN108755569A (en) * | 2018-05-17 | 2018-11-06 | 中国矿业大学(北京) | A kind of large-scale analog simulation device with water-bearing layer simulator |
| CN108755569B (en) * | 2018-05-17 | 2019-12-03 | 中国矿业大学(北京) | A kind of large-scale analog simulation device with water-bearing layer simulator |
| CN110018291A (en) * | 2019-04-18 | 2019-07-16 | 中国矿业大学 | A kind of filling mining fluid structurecoupling physical simulation experiment test system |
| CN112147269A (en) * | 2020-09-30 | 2020-12-29 | 中国矿业大学(北京) | Laboratory analog simulation device for simulating gasification process of underground coal seam |
| CN113654817A (en) * | 2021-07-20 | 2021-11-16 | 中国矿业大学 | Multifunctional three-dimensional similar material simulation test system |
| CN115083254A (en) * | 2022-07-22 | 2022-09-20 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Simulation device for monitoring dynamic evolution of mine filling layer in real time for long time |
| CN115083254B (en) * | 2022-07-22 | 2024-02-02 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Simulation device for long-term real-time monitoring of dynamic evolution of mine filling layer |
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