CN106205340B - The routed water experiment porch of mine earth's surface raceway groove flowing water - Google Patents
The routed water experiment porch of mine earth's surface raceway groove flowing water Download PDFInfo
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- CN106205340B CN106205340B CN201610866124.7A CN201610866124A CN106205340B CN 106205340 B CN106205340 B CN 106205340B CN 201610866124 A CN201610866124 A CN 201610866124A CN 106205340 B CN106205340 B CN 106205340B
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- water
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- raceway groove
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The invention discloses a kind of routed water experiment porch of mine earth's surface raceway groove flowing water, including water-storing device, leak tank and main drainage channel, multiple assisted drainage canals are provided between water-storing device and main drainage channel and on the downside of leak tank, the bottom of leak tank be provided with a plurality of tonicity it is adjustable and with multiple assisted drainage canals coordinate crack, the two ends of leak tank are provided with sideboard, movable chaining pin and Pitot tube are provided with leak tank, assisted drainage canal terminal position is provided with triangle weir, main drainage channel terminal position is provided with design, it is mounted on fixing chaining pin on assisted drainage canal and main drainage channel；Water-storing device includes cistern, feed pipe and steady water grid, and the water inlet end of feed pipe is provided with water pump.It is of the invention novel in design, the influence of flowing water hydraulic gradient, fracture width, water flow, flow velocity to the routed water in mine earth's surface raceway groove crack in actual mine earth's surface raceway groove can be simulated, and suitable for various hydraulic measurements and teaching experiment.
Description
Technical field
The invention belongs to mine water disaster Prevention Technique field, and in particular to a kind of routed water experiment of mine earth's surface raceway groove flowing water
Platform.
Background technology
In recovery process, roof basement rock is caving destruction, and develops to earth's surface with crack in coal seam.Some coals
Layer is shallow due to its own buried depth, and the caving zone of seam mining formation, fissure zone are easily developed to earth's surface, in some gully karness
Area, crack is more easy to be developed to earth's surface formation through crack.Simultaneously as raceway groove collects beneficial to flowing water, easily formed in rainy season and advised
The larger earth's surface mighty torrent of mould, therefore when working face is exploited by cheuch area, earth's surface through crack easily causes surface flow under water
Fill, cause raceway groove flowing water to be burst into underground, cause the generation of water inrush accident.
But the routed water that raceway groove flowing water is burst into underground is by hydraulic gradient, fracture width, water flow, flow velocity etc. of raceway groove
Many factors are controlled.And not yet there is such experimental provision or related experiment equipment to be seen in generation at present.Therefore being badly in need of one kind can
The experiment of the routed water of flowing water is observed under the different conditions such as accurate control raceway groove hydraulic gradient, fracture width, flowing water flow, flow velocity
Platform, routed water problems of the analog study rock matter raceway groove crack under different affecting factors.
The content of the invention
The technical problems to be solved by the invention are for above-mentioned deficiency of the prior art, there is provided a kind of mine earth's surface
Raceway groove flowing water is burst water experiment porch, and it is novel in design rationally, can be simulated flowing water hydraulic gradient in actual mine earth's surface raceway groove, be split
The influence of seam width, water flow, flow velocity to the routed water in mine earth's surface raceway groove crack, and suitable for various hydraulic measurements and religion
Experiment is learned, is easy to promote the use of.
In order to solve the above technical problems, the technical solution adopted by the present invention is：The routed water experiment of mine earth's surface raceway groove flowing water
Platform, it is characterised in that：Connected with the water-storing device including water-storing device and the leak tank with gradient and with the leakage
The main drainage channel that water tank coordinates, sets between the water-storing device and the main drainage channel and on the downside of the leak tank
It is equipped with multiple assisted drainage canals, it is adjustable and coordinate with multiple assisted drainage canals that the bottom of the leak tank is provided with a plurality of tonicity
Crack, the two ends of the leak tank are provided with sideboard, are provided with for measuring the leakage on the leak tank
The movable chaining pin of water tank water level and the Pitot tube for measuring the leak tank water velocity, assisted drainage canal terminal position
Triangle weir is installed, main drainage channel terminal position is provided with design, pacifies on assisted drainage canal and main drainage channel
Equipped with fixed chaining pin；The water-storing device includes cistern, the feed pipe for cistern water supply and is arranged in cistern and uses
In the steady water grid of stable water supply pipe water outlet, the water inlet end of the feed pipe is provided with water pump.
The routed water experiment porch of above-mentioned mine earth's surface raceway groove flowing water, it is characterised in that：Also include backflow pool, the backflow
Pond is connected with assisted drainage canal and main drainage channel, and water pump is arranged in backflow pool.
The routed water experiment porch of above-mentioned mine earth's surface raceway groove flowing water, it is characterised in that：The quantity of the leak tank is
Multiple, the gradient of multiple leak tanks is different.
The routed water experiment porch of above-mentioned mine earth's surface raceway groove flowing water, it is characterised in that：The quantity of the leak tank is
Two, two leak tanks are respectively the first leak tank and the second leak tank, the gradient of the first leak tank
It is 5 ‰~8 ‰, the gradient of the second leak tank is 5%~8%.
The routed water experiment porch of above-mentioned mine earth's surface raceway groove flowing water, it is characterised in that：The first leak tank and
The inwall of two leak tanks is carried out manually plus rough by way of adhering to coarse granule sandstone.
The routed water experiment porch of above-mentioned mine earth's surface raceway groove flowing water, it is characterised in that：Control is installed on the feed pipe
The valve of water production size, valve is connected by ring flange with feed pipe.
The routed water experiment porch of above-mentioned mine earth's surface raceway groove flowing water, it is characterised in that：It is provided with the cistern trapezoidal
Opening, cistern is connected by the trapezoid-shaped openings with the leak tank.
The present invention has advantages below compared with prior art：
1st, water-storing device of the invention is supplied water by installing water pump on feed pipe in cistern, and power is strong, while
The exception that the steady water grid reduction water outlet of stable water supply pipe water outlet is provided with cistern is splashed, for leak tank provides stabilization
Routed water water source, is easy to promote the use of.
2nd, by setting multiple leak tanks with gradient, leak bottom of gullet is provided with multiple tonicity can for the present invention
The crack of tune, is provided with water pump and Valve controlling water flow on feed pipe, and activity is respectively provided with the two ends of leak tank
Baffle controls flow rate of water flow, under the conditions of different gradients, measurement fracture width, three variables of water flow and flow rate of water flow are to ditch
The influence of the routed water in road basement rock crack, two variables in control critical eigenvalue width, three variables of water flow and flow rate of water flow change
3rd variable, determines influence of certain variable to the routed water in raceway groove basement rock crack respectively, and reliable and stable, using effect is good.
3rd, the present invention is novel in design rationally, and cistern, main drainage channel are connected with multiple assisted drainage canals using backflow pool,
By backflow pool for cistern supplies water, cistern is flowed back to through the current that leak tank flows to main drainage channel and multiple assisted drainage canals
To backflow pool, recycling for water resource is realized, and the experimental bench is applied to various hydraulic measurements and teaching experiment, puts into
This is low.
In sum, the present invention is novel in design rationally, can simulate flowing water hydraulic gradient, crack in actual mine earth's surface raceway groove
The influence of width, water flow, flow velocity to the routed water in mine earth's surface raceway groove crack, and suitable for various hydraulic measurements and teaching
Experiment, is easy to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the installation relation schematic diagram of leak tank of the present invention and assisted drainage canal.
Fig. 3 is the structural representation of water-storing device of the present invention.
Description of reference numerals:
1-cistern；2-feed pipe；3-ring flange；
4-valve；5-water pump；6-backflow pool；
7-the first leak tank；8-the second leak tank；9-sideboard；
10-Pitot tube；11-movable chaining pin；12-crack；
13-fixed chaining pin；14-assisted drainage canal；15-triangle weir；
16-design；17-main drainage channel；18-steady water grid.
Specific embodiment
As depicted in figs. 1 and 2, the present invention is connected and the leak with gradient including water-storing device with the water-storing device
Tank and the main drainage channel 17 coordinated with the leak tank, between the water-storing device and the main drainage channel 17 and positioned at institute
State and multiple assisted drainage canals 14 be provided with the downside of leak tank, the bottom of the leak tank be provided with a plurality of tonicity it is adjustable and
The crack 12 coordinated with multiple assisted drainage canals 14, the two ends of the leak tank are provided with sideboard 9, the leak water
Movable chaining pin 11 for measuring the leak tank water level is provided with groove and for measuring the leak tank water velocity
Pitot tube 10, the terminal position of assisted drainage canal 14 is provided with triangle weir 15, and the terminal position of main drainage channel 17 is provided with square
It is mounted on fixing chaining pin 13 on shape weir 16, assisted drainage canal 14 and main drainage channel 17；The water-storing device includes retaining
Pond 1, the feed pipe 2 supplied water for cistern 1 and it is arranged in cistern 1 and for the steady water grid 18 of the water outlet of stable water supply pipe 2,
The water inlet end of the feed pipe 2 is provided with water pump 5.
In the present embodiment, be led to water into cistern 1 using water pump 5 by feed pipe 2, and the water outlet of feed pipe 2 passes through steady water
Grid 18 makes current tend towards stability.
In the present embodiment, the quantity of the leak tank is multiple, and the gradient of multiple leak tanks is different.
It should be noted that the quantity and the quantity of assisted drainage canal 14 in the crack 12 that the bottom of the leak tank is set
It is equal, multiple leak tanks, each not phase of gradient of multiple leak tanks are set on cistern 1 according to the actual requirements
Together, influence of the different hydraulic gradients to the routed water in raceway groove crack is met, the end of each leak tank is arranged on main row
On water channel 17, the two ends of each leak tank are provided with sideboard 9, an active catch in two sideboards 9
Plate 9 is arranged at the leak tank and the link position of cistern 1, and another sideboard 9 in two sideboards 9 is installed
In the end of the leak tank, two sideboards 9 can be adjusted up and down, for adjusting flow rate of water flow, meet different streams
Speed is required.
As shown in figure 1, in the present embodiment, the quantity of the leak tank is two, and two leak tanks are respectively
First leak tank 7 and the second leak tank 8, the gradient of the first leak tank 7 is 5 ‰~8 ‰, the second leak tank 8
Gradient be 5%~8%.
In actual experiment, the first leak tank 7 or the second leak tank 8 are used according to the selection of different hydraulic gradients first,
When the first leak tank 7 is selected, by the second leak tank 8 with the second leak tank 8 with the link position of cistern 1
Sideboard 9 and glass cement sealing；Open water pump 5, the size of control valve 4, by the fixed chaining pin 13 on main drainage channel 17
The water level discrepancy in elevation in main drainage channel 17 is read, water flow is determined, meanwhile, in order to measure the depth of water in the first leak tank 7, can
Height of water level is measured using movable chaining pin 11, in order to measure the water velocity in the first leak tank 7, can be carried out with Pitot tube 10
Measurement；Similarly, when the second leak tank 8 is selected, by the first leak tank 7 with installed in the first leak tank 7 and cistern 1
Sideboard 9 and glass cement sealing at link position；In actually used, detachable Pitot tube 10 and activity can be also used
Chaining pin 11, when the first leak tank 7 is selected, Pitot tube 10 and movable chaining pin 11 is arranged on the first leak tank 7, is elected to
When selecting the second leak tank 8, Pitot tube 10 and movable chaining pin 11 are arranged on the second leak tank 8, reduce cost.
In the present embodiment, the bottom of the leak tank is provided with three cracks 12, and the underface per crack 12 is all provided with
An assisted drainage canal 14 is equipped with, the activity for measuring the leak tank water level is mounted on each described leak tank and is surveyed
Pin 11 and the Pitot tube 10 for measuring the leak tank water flow, are mounted on for measuring on each assisted drainage canal 14
The fixed chaining pin 13 of the water level of assisted drainage canal 14 and the triangle weir 15 for measuring the water flow of assisted drainage canal 14,
The terminal position of main drainage channel 17 is provided with fixed chaining pin 13 for measuring the water level of main drainage channel 17 and for measuring main drainage channel
The design 16 of 17 water flows, realizes the real-time measurement of current water level and water flow.
Its headwater depth of assisted drainage canal 14 is measured by the tonicity for changing each crack 12, and calculates the crack 12 and burst water
Amount, meets under the conditions of different crack tonicity the measurement of water of being burst to raceway groove basement rock crack.
As shown in figure 1, in the present embodiment, also including backflow pool 6, the backflow pool 6 and assisted drainage canal 14 and main draining
Canal 17 is connected, and water pump 5 is arranged in backflow pool 6.
In the present embodiment, cistern 1, main drainage channel 17 are connected with multiple assisted drainage canals 14 using backflow pool 6, passed through
Backflow pool 6 supplies water for cistern 1, and cistern 1 flows to the current of main drainage channel 17 and multiple assisted drainage canals 14 through leak tank
Backflow pool 6 is flow back into, recycling for water resource, energy saving is realized.
In the present embodiment, the inwall of the first leak tank 7 and the second leak tank 8 is by adhering to coarse granule sandstone
Mode carry out manually plus rough.
It should be noted that the flow of open-channel flow motion depends on discharge section area, the coefficient of roughness of raceway groove, waterpower
Radius and hydraulic gradient, according to actual conditions using manually plus it is rough by the way of determine the coefficient of roughness of raceway groove, in reality processing, adopt
With sandstone and cement mixing, sandstone and cement mixing face are rinsed with clear water before the cement has set., protrude coarse granule sandstone and increase
Plus the roughness of leak tank.
As shown in figures 1 and 3, in the present embodiment, the valve 4 of control water size, valve are installed on the feed pipe 2
4 are connected by ring flange 3 with feed pipe 2.
In the present embodiment, by the way of water pump 5 and valve 4 coordinate, the water for determining to supply water by the aperture of control valve 4
Stream flow.
As shown in figure 3, in the present embodiment, trapezoid-shaped openings are provided with the cistern 1, cistern 1 trapezoidal is opened by described
Mouth is connected with the leak tank.
In the present embodiment, the leak tank using rectangular cross section leak tank, rectangular cross section leak tank with
Trapezoid-shaped openings are used at the link position of cistern 1, is, in order to reduce the shock oscillation of current, to be conducive to the stabilization of current.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (5)
1. mine earth's surface raceway groove flowing water is burst water experiment porch, it is characterised in that：Connect including water-storing device and the water-storing device
The logical and leak tank with gradient and the main drainage channel (17) coordinated with the leak tank, the water-storing device and the master
Multiple assisted drainage canals (14) are provided between drainage ditch (17) and on the downside of the leak tank, the leak tank
Bottom be provided with a plurality of tonicity it is adjustable and with multiple assisted drainage canals (14) coordinate crack (12), the two ends of the leak tank
Sideboard (9) is provided with, the movable chaining pin for measuring the leak tank water level is provided with the leak tank
(11) and for measuring the Pitot tube (10) of the leak tank water velocity, assisted drainage canal (14) terminal position is provided with three
Angular amount mill weir (15), main drainage channel (17) terminal position is provided with design (16), assisted drainage canal (14) and main draining
It is mounted on fixing chaining pin (13) on canal (17)；The water-storing device includes cistern (1), the water supply for cistern (1) water supply
Manage (2) and be arranged in cistern (1) and for the steady water grid (18) of stable water supply pipe (2) water outlet, the feed pipe (2)
Water inlet end is provided with water pump (5)；
Also include backflow pool (6), the backflow pool (6) connects with assisted drainage canal (14) and main drainage channel (17), water pump (5)
It is arranged in backflow pool (6)；
The valve (4) of control water size is installed, valve (4) is by ring flange (3) and feed pipe on the feed pipe (2)
(2) it is connected.
2. according to the routed water experiment porch of mine earth's surface raceway groove flowing water described in claim 1, it is characterised in that：The leak water
The quantity of groove is multiple, and the gradient of multiple leak tanks is different.
3. according to the routed water experiment porch of mine earth's surface raceway groove flowing water described in claim 2, it is characterised in that：The leak water
The quantity of groove is two, and two leak tanks are respectively the first leak tank (7) and the second leak tank (8), described the
The gradient of one leak tank (7) is 5 ‰~8 ‰, and the gradient of the second leak tank (8) is 5%~8%.
4. according to the routed water experiment porch of mine earth's surface raceway groove flowing water described in claim 3, it is characterised in that：First leakage
The inwall of water tank (7) and the second leak tank (8) is carried out manually plus rough by way of adhering to coarse granule sandstone.
5. according to the routed water experiment porch of mine earth's surface raceway groove flowing water described in claim 2, it is characterised in that：The cistern
(1) trapezoid-shaped openings are provided with, cistern (1) is connected by the trapezoid-shaped openings with the leak tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866124.7A CN106205340B (en) | 2016-09-29 | 2016-09-29 | The routed water experiment porch of mine earth's surface raceway groove flowing water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610866124.7A CN106205340B (en) | 2016-09-29 | 2016-09-29 | The routed water experiment porch of mine earth's surface raceway groove flowing water |
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| CN106205340A CN106205340A (en) | 2016-12-07 |
| CN106205340B true CN106205340B (en) | 2017-06-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106761914B (en) * | 2016-12-09 | 2017-11-03 | 西安科技大学 | A kind of routed water water damage prevention and controls of shallow buried coal seam mine raceway groove flood |
| CN110274464B (en) * | 2019-07-11 | 2024-02-23 | 重庆赛迪热工环保工程技术有限公司 | Annular material receiving device and material distribution method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| HU199936B (en) * | 1987-06-15 | 1990-03-28 | Veszpremi Szenbanyak | Method for dewatering underground space particularly mine cave |
| CN101281186A (en) * | 2008-05-19 | 2008-10-08 | 许延春 | Method and device for detecting sand burst leaking destructive performance |
| CN103675237B (en) * | 2013-12-26 | 2015-11-18 | 山东科技大学 | Seam Mining brings out top board water burst and to burst sand disaster simulation pilot system and monitoring method |
| CN104849428B (en) * | 2015-04-30 | 2016-03-30 | 华北科技学院 | The migration of a kind of simulate formation coal mining overlying strata and gushing water are burst sand experimental provision |
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