CN108195687A - Three-dimensional Mining Above Confined Aquifer pressure release simulator stand - Google Patents
Three-dimensional Mining Above Confined Aquifer pressure release simulator stand Download PDFInfo
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- CN108195687A CN108195687A CN201711464525.0A CN201711464525A CN108195687A CN 108195687 A CN108195687 A CN 108195687A CN 201711464525 A CN201711464525 A CN 201711464525A CN 108195687 A CN108195687 A CN 108195687A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
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Abstract
A kind of three-dimensional Mining Above Confined Aquifer pressure release simulator stand, has water supply installation, simulation test case, supporting and regulating device, data processing equipment.Water supply installation has water feeding tank, water-supply-pipe, feedwater water pump, pressure control pump, first to fourth valve；Simulation test case has main box, analog material, cover board, steady water tank and header tank.The upper port of the upper port of main box, steady water tank is covered and sealed by cover board, multiple grid bodies are installed on the inside of cover board, in the lower ending opening of each grid body and analog material of nuzzling, the drain hole being depressured coal mine artesian water to be simulated to sluice all is equipped on cover board at the center of each grid body, tapping pipe is connected on each drain hole, motor valve, flow sensor, pressure sensor are sequentially installed on each tapping pipe.It not only really simulates the pressure of underground bearing water carrying, also simulates the situation of change of pressure in artesian water sluicing pressure reduction, calculates artesian aquifer so as to simulate and needs the minimum of precipitation pressure release.
Description
Technical field
The present invention relates to a kind of coal mine artesian water sluicing drop test device, specifically a kind of three-dimensional Mining Above Confined Aquifer is let out
Press simulator stand.
Background technology
Artesian water gushing water is the emphasis safety problem of coalman author's concern in coal mine operation, and gushing water hidden danger greatly threatens
The safety of life and property of coalman author, it is the important of prevention artesian water analysis of possibility of water inrush that sluicing decompression is carried out to artesian water stratum
One of method.At present, for artesian water sluice decompression research mainly based on numerical simulation, and adopted on three-dimensional simulation artesian water
The testing equipment of coal pressure release is less.Inventor retrieves following Patents documents：CN105259045A discloses a kind of pressure-bearing
The analog simulation experimental rig of underwater mining including the coal seam and rock stratum supporting rack and erection thereon, is set in the rock stratum
Artesian aquifer is equipped with, the artesian aquifer includes 10 small water bags, from the water inlet of the 1st~the 5th small water bag
The middle part of the left side wall is arranged on, in close to the position of the front side wall, water outlet is arranged on the lower part of the right side wall,
In close to the position of the rear wall；Water inlet from the 6th to 10 small water bags is arranged on the lower part of the left side wall, place
In close to the position of the front side wall.CN105259047A discloses a kind of water bag device of the simulation artesian water with water tank,
Including water tank, the coal seam and rock stratum of supporting rack and erection thereon are provided with artesian aquifer in the rock stratum, the multiple
Water tank has identical specification, and the water tank includes the upper tube body, upper box, lower tube body and the nowel that are sequentially communicated from top to bottom
Body, the upper end of the upper tube body is nozzle, and the top of the upper tube body is no scale area, and is there are scale area, the down tube in lower part
To there is scale area, lower part is no scale area, and scale is provided on the tube wall for having scale area on the top of body.
CN105388266A discloses the simulation test device to cut coal under a kind of artesian water and its application method, pressure-bearing obtaining from underwater installation
The simulation test device of coal including frame body, the artesian aquifer being arranged on the frame body, coal seam, is arranged on the coal seam
The supporting rod of both sides and other rock stratum；The artesian aquifer is formed by connecting by multiple small water bags, and the small water bag is by water
The rectangular parallelepiped structure that bag top plate, water bag bottom plate, front side wall, rear wall, left side wall and right side wall enclosing form, internal is water-filling
Space.CN104569349A discloses the analysis experimental rig that a kind of simulated rainfall and water content Slope Stability influence, by
Simulate side slope rainfall system, side slope testing platform system and data acquisition and analysis system composition：It simulates in side slope rainfall system, water
Case forms circuit with water pipe, water pump, valve, flowmeter and nozzle is housed on water pipe, nozzle is distributed on side slope testing platform system
Top；In side slope testing platform system, tilting table is located on bottom plate, and bottom plate has threaded rod and the rotation being connected with threaded rod
Wheel, camera shooting wall are parallel with tilting table rotation direction；In data acquisition and analysis system, sensor is distributed on bottom plate, camera position
In on camera shooting wall, sensor data collection device is located at bottom plate side, and sensor data collection device, flowmeter pass through number respectively
It is connect according to transmission line with computer.CN105675818A discloses one kind by mining influence coal seam bottom water bursting simulation test system
System, the device include simulation test device, operating console and hydraulic control device, and operating console is by controlling cable to distinguish
It is connect with simulation test device and hydraulic control device, hydraulic control device is connect by water inlet pipe with simulation test device, mould
Intend experimental rig and include outer framework and the testing stand being located in outer framework.At the middle part of outer framework, the good examination of one leakproofness is set
Platform is tested, sample is placed in testing stand, applies longitudinal stress and lateral stress, coal seam is then excavated and collects related data, mould
Intend high hydraulic pressure and bottom plate variation of lithological, Water Inrush overall process, so as to obtain the related data of Water Inrush. CN101592042
Mine confined water self-discharging system is disclosed, is filled including the artesian water supercharging device with inlet and outlet and automatic reverse
It puts, the power output end of automatic reversing apparatus is connect by water pipe with the power intake of artesian water supercharging device, and artesian water increases
The power output end of pressure device and the power intake of automatic reversing apparatus connect.The invention discloses one kind by CN101130954
Vacuum decompression method for adjustable pressure water in series, it includes the following steps：Measure adjacent artesian aquifer each layer head and
The thickness of thickness and clay aquiclude；From the depth of ground well-digging hole to lower floor artesian aquifer；Prepare well casing；By well casing
The position in corresponding each water-bearing layer downhole pipe in the wellhole；It feeds intake between well casing outer wall and each water-bearing layer；Examination is taken out
Water；Air bag is placed in clay aquiclude position in well casing；Make airbag aeration, deflate to control between upper and lower artesian aquifer
Contact.
More than technology can also be simulated and be held for the present invention pressure how really simulation underground bearing water carries
The situation of change of pressure in water sluicing pressure reduction is pressed, does not provide specific guidance program.
Invention content
The technical problems to be solved by the invention are to provide a kind of three-dimensional Mining Above Confined Aquifer pressure release simulator stand, it is not
The pressure of underground bearing water carrying only can be really simulated, the variation of pressure in artesian water sluicing pressure reduction can also be simulated
Situation calculates artesian aquifer and needs the minimum of precipitation pressure release so as to simulate.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of three-dimensional Mining Above Confined Aquifer pressure release simulator stand, has water supply installation, simulation test case, technical solution is
The support that the three-dimensional Mining Above Confined Aquifer pressure release simulator stand also has the water-bearing layer of simulation differing tilt angles is adjusted
Device, data processing equipment；The water supply installation has water feeding tank, water-supply-pipe, feedwater water pump, pressure control pump, the first valve, second
Valve, third valve, the 4th valve, are provided with water inlet at the top of water feeding tank, and the lower part of water feeding tank is equipped with water outlet, it is described go out
The water-supply-pipe being connected with the water inlet of simulation test case is installed, water-supply-pipe is divided into the first branch water delivery being in parallel on the mouth of a river
Pipe, the second branch water-supply-pipe, the simulation test case have main box, fill in the formation water-bearing layer in the cavity of main box
Analog material, the cover board for realizing together with main box simulation underground bearing water, the use being separately mounted at left and right sides of main box
In stationary flow steady water tank and for collect from analog material discharge water header tank, cover board by the upper port of main box,
The upper port of steady water tank is covered and is sealed, and multiple grid bodies is equipped on the inside of cover board, the upper end of each grid body is fixed on lid
On plate, in the lower ending opening of each grid body and analog material of nuzzling, main box is made of bottom plate and outline border, and outline border has front
Plate, rear baffle, right baffle-plate, right shell body, right baffle-plate are equipped with more in water-bearing layer for steady Water in Water Tanks stream to be evenly distributed to
A tapping hole, right shell body are equipped with multiple osculums for discharging water in water-bearing layer, and each osculum is equipped with gate valve, described
The top of steady water tank is provided with the water inlet being connect with above-mentioned water-supply-pipe；The lower part of the header tank is provided with anti-overflow discharge outlet,
Anti-overflow discharge outlet is connected by drainpipe with the water inlet of water feeding tank, and water pump, first branch water-supply-pipe are equipped on drainpipe
It is sequentially connected to control the first valve of water outlet flow, the feedwater water pump for being steady cistern water supply, be used for from the water outlet
It controls the second valve of water inlet flow and is connected on above-mentioned water inlet, the second branch water-supply-pipe connects successively from the water outlet
Connect for control the third valve of water outlet flow, steady pressure be provided for steady water tank and main box pressure control pump, for controlling
4th valve of water inlet flow and be connected on above-mentioned water inlet；The data processing equipment have multiple pressure sensors,
Multiple flow sensors, sensor data collection device（Sensor data acquisition device）, computer（And data line）,
Sensor data collection device is connected with computer；It is all equipped at the center of each grid body simulating coal mine on cover board
The drain hole of artesian water sluicing decompression, grid body are corresponded with drain hole, and tapping pipe is connected on each drain hole, each sluicing
Guan Shang（By Inside To Outside）Motor valve, flow sensor, pressure sensor are sequentially installed with, the water outlet of each tapping pipe is all
It is connected with water-supply-pipe, above-mentioned supporting and regulating device is set in the cavity of main box.
In above-mentioned technical proposal, preferred embodiment of the invention can be：The analog material and the inner wall of right baffle-plate
Between, between the inner wall of analog material and right shell body, between the inner wall of the horizontal plate body of analog material and cover board be preferably provided with water
Stream by and prevent analog material by strainer, the aperture of strainer can be 0.02mm, and strainer can be made of copper wire.It is above-mentioned
Cover board concrete structure that the upper port of the upper port of main box, steady water tank is covered and sealed can be cover board and main box
Outline border top between, be all equipped with rubber strip between the top of cover board and steady water tank, the top of the outline border of cover board and main box,
The top of cover board and steady water tank is all bolted together by multiple.Above-mentioned supporting and regulating device includes several folding
Bracket, bottom panel（Tablet）, several foldable cradles be installed on the right baffle-plate in the cavity of main box and right shell body on（It can
To be on right baffle-plate and respectively install three foldable cradles in right shell body, at three foldable cradles installed on right baffle-plate
In different height and positioned at the middle part of right baffle-plate, three foldable cradles installed in right shell body are in different height and are located at
The middle part of right shell body）, each foldable cradle have be fixedly connected with right baffle-plate or right shell body hanging plate, relative to hanging plate
Can flip outward 90o by longitudinal state and in the supporting plate of transverse state, hanging plate and supporting plate, which link together, can realize supporting plate
In the clamping screw of longitudinal state and transverse state, one end of bottom panel is placed on the foldable cradle in different height
On supporting plate（That is one end of bottom panel is placed on the supporting plate of foldable cradle）, the other end of bottom panel is placed on the described of main box
On bottom plate, sealed between the right baffle-plate, right shell body in the cavity of bottom panel and main box with waterproof gasket cement（Set between them
There is waterproof sealing glue-line）, the analog material in the cavity of main box by bottom surface plate support（It holds）, can thus simulate not
With the water-bearing layer at angle of inclination（Simulated formation angle of inclination）.The quantity of the foldable cradle can be six.Certainly, on
The supporting and regulating device stated can also be other structures.For above-mentioned main box preferably in cuboid, the length of main box can be with
For 100cm, width can be 100cm, highly can be 20cm.Above-mentioned analog material is preferably quartz sand or soil.On
The multiple grid bodies stated can by 10 is horizontally-arranged and 10 files totally 100 grids are formed, each grid body preferably all in the square bodily form,
The upper end of each grid body is preferably welded on cover board 8, and the size of each grid body is preferably：Long 10cm, width 10cm, height
10cm is provided with 100 drain holes 802 one-to-one with each grid body on cover board 8, and the diameter of each drain hole 802 is most
It is 1.0cm well.The present invention preferably also has the fence that shields, the top of the corresponding front apron in the bottom end of the fence
End, the top of right baffle-plate, right shell body top be fixedly connected.Coarse sand is preferably full of in above-mentioned steady water tank.Above-mentioned similar material
The weight ratio of material preferably quartz sand, coarse sand and quartz sand is preferably 1: 9.
The present invention has simulation test case, supporting and regulating device, water supply installation, data processing equipment, root of the present invention in this way
According to the analog material principle simulation underground reservoir for forming water-bearing layer, water supply installation and pressure control pump control simulation underground pressure-bearing are utilized
Water by opening drain hole, simulates and bores sluicing pressure reduction well on coal mine, pass through（It is portable）Computer Simulation calculation pressure-bearing hydraulic pressure
Power changes.Analog result can really reflect the pressure change of artesian water sluicing decompression, it is simple to operate, and measurement data is true
Real reliable, accuracy height.It is characteristic of the invention that when really, intuitively reflecting underground bearing water sluicing decompression, underground water
The situation of change of pressure, measurement data can really reflect practical geological state, and engineers and technicians on coal mine is suitble to use.
In conclusion the present invention not only really simulates the pressure of underground bearing water carrying, also simulate artesian water and let out
The situation of change of pressure in water pressure reduction（The attenuation of pressure）, calculate artesian aquifer so as to simulate precipitation needed to let out
The minimum of pressure enables experimenter accurately to grasp the well quantity to be bored of underground bearing water sluicing decompression.
Description of the drawings
Fig. 1 is the structural diagram of the present invention（Front view, longitudinal section view, save supporting and regulating device, analog material,
Fence, coarse sand etc.）.
Fig. 2 is the structure diagram of the present invention（Vertical view saves tapping pipe, sensor data collection device, computer
Deng）.
Fig. 3 is the structure diagram of the present invention（Front view, longitudinal section view, band supporting and regulating device, enclose analog material
Column, coarse sand etc.）.
Fig. 4 is that the foldable cradle of supporting and regulating device in the present invention is installed on the right baffle-plate in the cavity of main box
Structure diagram（The supporting plate of foldable cradle is in longitudinal state）.
Fig. 5 is the structure diagram of supporting and regulating device in the present invention.
Fig. 6 is along the sectional view of line A-A in Fig. 3.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but be not limited to the scope of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, three-dimensional Mining Above Confined Aquifer pressure release simulator stand of the invention
With water supply installation, simulation test case, simulate differing tilt angles water-bearing layer supporting and regulating device, data processing equipment.
The water supply installation have water feeding tank 1, water-supply-pipe 2, feedwater water pump 3, pressure control pump the 4, first valve 201a, the second valve 201b,
Third valve 202a, the 4th valve 202b.Water inlet 101 is provided at the top of water feeding tank, the lower part of water feeding tank is equipped with water outlet
102, the water-supply-pipe 2 being connected with the water inlet of simulation test case is installed, water-supply-pipe 2 divides to be in parallel on the water outlet 102
First branch water-supply-pipe 201, the second branch water-supply-pipe 202.The simulation test case has main box 6, fills in main tank
The analog material 13 (full analog material is laid in the cavity of main box) and main box one in the formation water-bearing layer in the cavity of body
Act the cover board 8 for realizing simulation underground bearing water, 5 and of steady water tank for stationary flow being separately mounted at left and right sides of main box
For collecting the header tank 7 that water is discharged from analog material.Cover board 8 is by the upper port of main box 6, the upper port cover of steady water tank 5
It firmly and seals, and then analog material is covered and sealed, cover board realizes simulation underground bearing water together with main box.Cover board 8
Inside is equipped with multiple grid bodies 801, and the upper end of each grid body is fixed on cover board 8, and the lower ending opening of each grid body is simultaneously
It nuzzles in analog material 13, main box 6 is made of bottom plate and outline border, and outline border has front apron, rear baffle, right baffle-plate, right shell body,
Right baffle-plate is equipped with for steady Water in Water Tanks stream to be evenly distributed to multiple tapping holes 501 in water-bearing layer, and right shell body is equipped with
For discharging multiple osculums 701 of water in water-bearing layer, to ensure the leakproofness of device, each osculum is equipped with gate valve 702.
The top of the steady water tank 5 is provided with the water inlet 502 being connect with above-mentioned water-supply-pipe 2.The lower part of the header tank 7 is provided with anti-
Excessive discharge outlet 703, anti-overflow discharge outlet 703 are connected with the water inlet 101 of water feeding tank 1 by drainpipe 12, pacified on drainpipe 12
It is equipped with（Cycle）Water pump 11.First branch water-supply-pipe 201 is sequentially connected to control water outlet flow from the water outlet 102
First valve 201a, for the feedwater water pump 3 of steady cistern water supply, for the second valve 201b of water inlet flow to be controlled to be connected to
On above-mentioned water inlet 502, the second branch water-supply-pipe 202 is sequentially connected to control water outlet flow from the water outlet 102
Third valve 202a, pressure control pump 4, the 4th valve for controlling water inlet flow that steady pressure is provided for steady water tank and main box
Door 202b and be connected on above-mentioned water inlet 502.The data processing equipment has multiple pressure sensors 901, multiple flows
Sensor 902, sensor data collection device 9, the portable computer 10 for being mounted with data processing software（And data transmission
Line）, each sensor is connected with sensor data collection device, sensor data collection device 9（Pass through data line）With
Computer 10 is connected.It is described（It is portable）Installation data handles software " artesian water sluicing pressure treatment software on computer 10
1.0”.In this way, flow sensor and pressure sensor transfer data to sensor data collection device, pass through sensing data
Collected data are carried out calculation processing by computer and obtain result of the test by collection device.In each grid on cover board 8
At the center of body 801 all be equipped with to simulate coal mine (on) artesian water sluice decompression drain hole 802, grid body 801 with sluice
Hole 802 corresponds, and tapping pipe 804 is connected on each drain hole, and motor valve 803, stream are sequentially installed on each tapping pipe 804
Quantity sensor 902, pressure sensor 901, motor valve 803 can automatic control flow, the water outlet of each tapping pipe 804 all with it is defeated
Water pipe 12 is connected, and sluicing in-pipe flow is circulated back to by water pump 11 in water feeding tank 1, i.e. 12 institute of tapping pipe 804 and water-supply-pipe
The water of discharge enters water feeding tank 1 by water pump 11.The water-supply-pipe 2, tapping pipe 804, water-supply-pipe 12 can be pvc pipe.Simulation
The above-mentioned supporting and regulating device at artesian aquifer angle of inclination is set in the cavity of main box 6.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, between above-mentioned analog material 13 and the inner wall of right baffle-plate, similar
Be equipped between material 13 and the inner wall of right shell body, between the inner wall of the horizontal plate body of analog material 13 and cover board 8 flow by and
Prevent analog material by strainer（Filter screen）18, the aperture of strainer 18 is 0.02mm, and strainer can be made of copper wire.Setting filter
Net 18 destroys its structure to prevent from being formed the analog material in water-bearing layer by flow.Above-mentioned cover board 8 by the upper port of main box 6,
The concrete structure that the upper port of steady water tank 5 is covered and sealed is, between the top of the outline border of cover board 8 and main box 6, cover board 8 with
All be equipped with rubber strip between the top of steady water tank, the top of cover board 8 and the outline border of main box 6, cover board 8 and steady water tank top all
It is linked together by multiple bolts 805（Form sealing structure of voltage regulation）.Above-mentioned supporting and regulating device includes several foldable
Bracket 16, bottom panel（Tablet）15, several foldable cradles 16（Across strainer 18, i.e., there is notch across place's strainer 18）
Be installed on the right baffle-plate in the cavity of main box 6 and right shell body on（Can install on right baffle-plate and respectively three in right shell body
Foldable cradle, three foldable cradles installed on right baffle-plate are in different height and positioned at the middle parts of right baffle-plate, right
Three foldable cradles installed on baffle are in different height and positioned at the middle parts of right shell body）.Each foldable cradle
With the hanging plate 16a being fixedly connected with right baffle-plate or right shell body, can 90o be flipped outward by longitudinal state relative to hanging plate and be in
The supporting plate 16b of transverse state, hanging plate and supporting plate, which link together, can realize that supporting plate is in the lock of longitudinal state and transverse state
Tight bolt 16c, clamping screw 16c are by hanging plate（Otic placode）It is fixed together with supporting plate.One end of bottom panel 15 is placed on
On the supporting plate 16b of foldable cradle in different height, the other end of bottom panel 15 is placed on the bottom plate of main box 6
On, it is sealed between the right baffle-plate, right shell body in the cavity of bottom panel 15 and main box 6 with waterproof gasket cement（Set between them
There is waterproof sealing glue-line）, the analog material 13 in the cavity of main box is by bottom panel（15）It holds in the palm（It holds）, thus may be used
Simulate the water-bearing layer of differing tilt angles（Simulated formation angle of inclination）.Above-mentioned 6 main box of main box is in cuboid, main tank
The length of body 6 is 100cm, width 100cm, is highly 20cm.The bottom plate of main box 6 can be made of steel plate, surrounding baffle（I.e.
Outline border）It can be made of tempered glass, form see-through babinet.Above-mentioned analog material can be quartz sand or soil.On
The multiple grid bodies 801 stated by 10 is horizontally-arranged and 10 files totally 100 grids are formed, each grid body is all in the square bodily form, each
The upper end of grid body is welded on cover board 8, and the size of each grid body is：Long 10cm, width 10cm, high 10cm, grid body is by shape
Into the analog material blocking in water-bearing layer.It is provided on cover board 8 and each grid body（At center）One-to-one 100 sluicing
Hole 802, a diameter of 1.0cm of each drain hole 802.The present invention can also have the fence 17 to shield, the fence
Top, the top of right baffle-plate, the top of right shell body of the corresponding front apron in bottom end are fixedly connected.In above-mentioned steady water tank 5
Full of coarse sand 14.Above-mentioned analog material 13 uses quartz sand, and the weight ratio of coarse sand and quartz sand is 1: 9.It is in this way, of the invention
Accuracy higher（Accuracy rate higher, more than 97% rate of accuracy reached to）.
The present invention experiment according to underground bearing water truth by adjust the first valve, the second valve, third valve,
4th valve, feedwater water pump, pressure control pump（Pressure control water pump）Water filling and on-load pressure are carried out to water-bearing layer, made in simulation test case
Pressure is equal to actual value, and the motor valve at the top of opening simulation test case sluice and is depressured required by artesian water reaches
Pressure value.For the sluicing pressure reduction of a more true simulation underground bearing water, 1 can be opened according to decline of pressure situation in experiment
~ 100 motor valves sluice.
The present invention has simulation test case, supporting and regulating device, water supply installation, data processing equipment, and water supply installation has
Water feeding tank, pressure control pump, feedwater water pump, simulation test case have main box, the analog material for forming water-bearing layer, together with main box
Realize cover board, steady water tank and the header tank of simulation underground bearing water, the analog material that the interior filling of main box forms water-bearing layer is used in combination
To simulate underground bearing water, there are the cover board on main box cover plate for sealing multiple drain holes to be let out with simulating artesian water on coal mine
Water is depressured；Supporting and regulating device（Angle regulator）Simulated formation angle of inclination；Data processing equipment carries out measurement data
It collects（Acquisition）And calculating（Analysis）, obtain final test data.The present invention can be to differing tilt angles difference pressure on coal mine
The artesian water stratum of power carries out the decompression simulation that sluices, it is let out using the true and reliable artesian water that realizes of physical simulation means
Three-dimensional visualization is pressed, sluicing pressure reduction is calculated using the accurate simulation of microcomputer data processing.
Claims (10)
1. a kind of three-dimensional Mining Above Confined Aquifer pressure release simulator stand, has water supply installation, simulation test case, it is characterised in that institute
The support that the three-dimensional Mining Above Confined Aquifer pressure release simulator stand stated also has the water-bearing layer of simulation differing tilt angles adjusts dress
It puts, data processing equipment；
The water supply installation has water feeding tank（1）, water-supply-pipe（2）, feedwater water pump（3）, pressure control pump（4）, the first valve（201a）、
Second valve（201b）, third valve（202a）, the 4th valve（202b）, water inlet is provided at the top of water feeding tank（101）, supply
The lower part of water tank is equipped with water outlet（102）, the water outlet（102）Upper installation is connected defeated with the water inlet of simulation test case
Water pipe（2）, water-supply-pipe（2）It is divided into the first branch water-supply-pipe being in parallel（201）, the second branch water-supply-pipe（202）, the mould
Intending chamber has main box（6）, fill in the cavity of main box formation water-bearing layer analog material（13）With main box
The cover board of simulation underground bearing water is realized together（8）, the steady water for stationary flow that is separately mounted at left and right sides of main box
Case（5）With the header tank for discharging water from analog material for collection（7）, cover board（8）By main box（6）Upper port, steady water
Case（5）Upper port cover and seal, cover board（8）Inside multiple grid bodies are installed（801）, the upper end of each grid body is consolidated
It is scheduled on cover board（8）On, the lower ending opening of each grid body and analog material of nuzzling（13）In, main box（6）By bottom plate and outline border
It forms, outline border has front apron, rear baffle, right baffle-plate, right shell body, and right baffle-plate is equipped with uniformly to divide steady Water in Water Tanks stream
Multiple tapping holes in cloth to water-bearing layer（501）, right shell body is equipped with multiple osculums for discharging water in water-bearing layer
（701）, each osculum is equipped with gate valve（702）, the steady water tank（5）Top be provided with and above-mentioned water-supply-pipe（2）Connection
Water inlet（502）；The header tank（7）Lower part be provided with anti-overflow discharge outlet（703）, anti-overflow discharge outlet（703）Pass through row
Water pipe（12）With water feeding tank（1）Water inlet（101）It is connected, drainpipe（12）On water pump is installed（11）, the first branch is defeated
Water pipe（201）From the water outlet（102）It is sequentially connected the first valve for controlling water outlet flow（201a）, be steady water tank
The feedwater water pump of water supply（3）, the second valve for controlling water inlet flow（201b）And it is connected to above-mentioned water inlet（502）
On, the second branch water-supply-pipe（202）From the water outlet（102）It is sequentially connected the third valve for controlling water outlet flow
（202a）, the pressure control pump of steady pressure is provided for steady water tank and main box（4）, the 4th valve for controlling water inlet flow
（202b）And it is connected to above-mentioned water inlet（502）On；
The data processing equipment has multiple pressure sensors（901）, multiple flow sensors（902）, sensing data receive
Acquisition means（9）, computer（10）, sensor data collection device（9）With computer（10）It is connected；Cover board（8）On each
Grid body（801）Center at all be equipped with to simulate coal mine artesian water sluice decompression drain hole（802）, grid body（801）
With drain hole（802）It corresponds, tapping pipe is connected on each drain hole（804）, each tapping pipe（804）On be sequentially installed with
Motor valve（803）, flow sensor（902）, pressure sensor（901）, each tapping pipe（804）Water outlet all with water-supply-pipe
（12）It is connected, above-mentioned supporting and regulating device is set on main box（6）Cavity in.
2. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned is similar
Material（13）Between the inner wall of right baffle-plate, analog material（13）Between the inner wall of right shell body, analog material（13）With cover board
（8）Horizontal plate body inner wall between be equipped with flow by and prevent analog material by strainer（18）, strainer（18）Hole
Diameter is 0.02mm, and strainer is made of copper wire.
3. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned cover board
（8）By main box（6）Upper port, steady water tank（5）The upper port concrete structure that covers and seal be cover board（8）With main tank
Body（6）Outline border top between, cover board（8）Rubber strip, cover board are all equipped between the top of steady water tank（8）With main box
（6）The top of outline border, cover board（8）All pass through multiple bolts with the top of steady water tank（805）It links together.
4. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned support
Regulating device includes several foldable cradles（16）, bottom panel（15）, several foldable cradles（16）It is installed on main box
（6）Cavity in right baffle-plate on and right shell body on, each foldable cradle, which has to fix with right baffle-plate or right shell body, to be connected
The hanging plate connect（16a）, 90o can be flipped outward relative to hanging plate by longitudinal state and in the supporting plate of transverse state（16b）, by hanging plate
Linking together with supporting plate can realize that supporting plate is in the clamping screw of longitudinal state and transverse state（16c）, by bottom panel（15）
One end be placed on the supporting plate of the foldable cradle in different height（16b）On, bottom panel（15）The other end be placed on main tank
Body（6）The bottom plate on, bottom panel（15）With main box（6）Cavity in right baffle-plate, use waterproof sealing between right shell body
Glue seals, the analog material in the cavity of main box（13）By bottom panel（15）It holds in the palm.
5. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned main tank
Body（6）In cuboid, main box（6）Length for 100cm, width 100cm, be highly 20cm.
6. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned is similar
Material（13）For quartz sand or soil.
7. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned is multiple
Grid body（801）By 10 is horizontally-arranged and 10 files totally 100 grids are formed, each grid body is all in the square bodily form, each grid body
Upper end be welded on cover board（8）On, the size of each grid body is：Long 10cm, width 10cm, high 10cm, cover board（8）On be provided with
100 drain holes one-to-one with each grid body（802）, each drain hole（802）A diameter of 1.0cm.
8. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that it also has
The fence of protective effect（17）, the corresponding top of front apron in the bottom end of the fence, the top of right baffle-plate, right shell body top
End is fixedly connected.
9. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned steady water
Case（5）In be full of coarse sand（14）.
10. three-dimensional Mining Above Confined Aquifer pressure release simulator stand according to claim 1, it is characterised in that above-mentioned is similar
Material（13）For quartz sand, above-mentioned steady water tank（5）In be full of coarse sand（14）, the weight ratio of coarse sand and quartz sand is 1: 9.
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| CN201711464525.0A CN108195687B (en) | 2017-12-29 | 2017-12-29 | Three-dimensional pressure-bearing overwater coal mining pressure relief simulation test bed |
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| CN201711464525.0A CN108195687B (en) | 2017-12-29 | 2017-12-29 | Three-dimensional pressure-bearing overwater coal mining pressure relief simulation test bed |
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| CN111044707A (en) * | 2019-12-25 | 2020-04-21 | 神华神东煤炭集团有限责任公司 | Simulation experiment system and experiment method for residual coal movement in coal mine goaf |
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Inventor after: Zhang Guosheng Inventor after: Li Zhongfu Inventor after: Wang Shijie Inventor after: Li Yujing Inventor after: Zhang Min Inventor after: Liu Shuxing Inventor after: Yuan Haibo Inventor after: Zhang Fubin Inventor after: Li Tiangang Inventor before: Li Zhongfu Inventor before: Wang Shijie Inventor before: Li Yujing Inventor before: Zhang Min Inventor before: Liu Shuxing Inventor before: Yuan Haibo Inventor before: Zhang Fubin Inventor before: Li Tiangang |
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