CN201696048U - Coal seam gob fracture zone water-injection observation system - Google Patents
Coal seam gob fracture zone water-injection observation system Download PDFInfo
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- CN201696048U CN201696048U CN2010202489151U CN201020248915U CN201696048U CN 201696048 U CN201696048 U CN 201696048U CN 2010202489151 U CN2010202489151 U CN 2010202489151U CN 201020248915 U CN201020248915 U CN 201020248915U CN 201696048 U CN201696048 U CN 201696048U
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Abstract
The utility model discloses a coal seam gob fracture zone water injection observation system, which comprises a probe, an aeration control system and a water injection control system. The probe includes two aeration rubber bags, a water injecting pipe, gas conveying pipelines and water conveying pipelines, the water injecting pipe, the gas conveying pipelines and the water conveying pipelines are mounted between the two aeration rubber bags via connecting blocks, a plurality of water injecting holes are arranged on the water injecting pipe, the gas conveying pipelines and the water conveying pipelines are respectively distributed inside the aeration rubber bags and the water injecting pipe, water inlet holes are arranged on a part, positioned in the water injecting pipe, of the water conveying pipelines, and aeration holes are arranged on a part, positioned in the aeration rubber bags, of the gas conveying pipelines. The aeration control system comprises a high pressure gas source and a main gas conveying pipeline connected with the high pressure gas source, and the main gas conveying pipeline is connected with the gas conveying pipelines. The water injection control system comprises a high pressure water source and a main water conveying pipeline connected with the high pressure water source, and the main water conveying pipeline is connected with the water conveying pipelines. The coal seam gob fracture zone water injection observation system improves efficiency of an underground uphole sectional water injection observation method, can accurately measures water leakage flow of each section of a drill hole, and is simple in structure and convenient in utilization.
Description
Technical field
The utility model relates to a kind of observation system, and particularly a kind of observation system of water injection in fractured zone in coal seam goaf is used to observe the development height and the cranny development degree of the fissure zone of coal seam goaf.
Background technology
The observation procedure of traditional coal seam goaf fissure zone is the surface drilling simple hydrological observation method, need be positioned at the certain scope of goaf return airway or both sides, machine lane on the ground, with goaf one side is main several borings of construction, variation by consumption of rinsing liquid in the drilling process, determine the height and the distributional pattern of goaf fissure zone and caving zone, but, in case the coal seam buried depth is darker, it is bigger not only to drill workload, and construction cost height, ground construction boring and precision observation big etc. to eco-environmental impact also is difficult to control.For height, saving engineering quantity, the reduction construction cost that improves observation, adopt the method for down-hole uphole subsection water injection observation that coal seam goaf fissure zone and caving zone are observed, the specific practice of this method is to select suitable observation place under coal mine around the coal-face, for example can stopping adopting in the tunnel beyond line or the open-off cut and dig drill site at the district sublevel entry of adjacent work plane or the work plane of surveying, beat to above goaf and to face upward inclined borehole, boring is avoided caving zone and is tiltedly worn fissure zone, reaches the above certain altitude in circle, fissure zone top of expectation.By water filling in boring, measure the leakage flow of each Duan Shui of boring then, understand the loosening situation of breaking of rock, thereby determine the upper bound height of fissure zone with the leakage flow of each Duan Shui.But the device efficiency that is used for water filling in boring at present is low, and can not accurately measure the leakage flow of the water of each section of boring, makes this down-hole uphole subsection water injection observation procedure can not represent its superiority comprehensively.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of observation system of water injection in fractured zone in coal seam goaf is provided.The utility model has improved the efficient of down-hole uphole subsection water injection observation procedure, and can accurately measure the leakage flow of the water of each section of boring, and it is simple in structure, easy to use, cost of production is low, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: observation system of water injection in fractured zone in coal seam goaf is characterized in that: comprise inserting tube, ventilating control system and water filling control system;
Described inserting tube comprises two aerated capsules, is installed in water injection pipe, gas pipeline and aqueduct between described two aerated capsules by contiguous block, have a plurality of water injection holes on the described water injection pipe, described gas pipeline and aqueduct are laid in aerated capsule and water injection pipe inside respectively, the part that is positioned at water injection pipe on the described aqueduct has the inlet opening, and the part that is positioned at aerated capsule on the described gas pipeline has air-filled pore;
Described ventilating control system comprises high-pressure air source and the main gas pipeline that is connected with high-pressure air source, on the described main gas pipeline admission valve is installed, one side of described admission valve is equipped with gas pressure regulating valve, be connected with pressure meter one on the described gas pressure regulating valve, the opposite side of described admission valve is equipped with vent valve, be connected with pressure meter two on the described vent valve, described main gas pipeline is connected with gas pipeline;
Described water filling control system comprises high-pressure water and the water-main road that is connected with high-pressure water, described water-main is equipped with water intaking valve on the road, one side of described water intaking valve is equipped with the hydraulic pressure control valve, be connected with pressure meter three on the described hydraulic pressure control valve, the opposite side of described water intaking valve is equipped with flowmeter, described flowmeter is connected with discharging valve away from a side of water intaking valve, and described water-main road is connected with aqueduct.
Above-mentioned observation system of water injection in fractured zone in coal seam goaf, described main gas pipeline are installed on the frame one that is positioned at the tunnel, and described water-main road is installed on the frame two that is positioned at the tunnel.
Above-mentioned observation system of water injection in fractured zone in coal seam goaf, described gas pipeline all is equipped with sealing ring one with the punishment that is connected of aerated capsule and water injection pipe, and the junction of described aqueduct and aerated capsule and water injection pipe all is equipped with sealing ring two.
Above-mentioned observation system of water injection in fractured zone in coal seam goaf, described water injection hole are the inside wall that the big mouth of taper and water injection hole is positioned at water injection pipe.
Above-mentioned observation system of water injection in fractured zone in coal seam goaf, the quantity of the water injection hole on the described water injection pipe increases successively along the direction of flowing through of water in the aqueduct.
Above-mentioned observation system of water injection in fractured zone in coal seam goaf is connected with unidirectional guide vane on the sidewall of described water injection hole.
Above-mentioned observation system of water injection in fractured zone in coal seam goaf, the external surface of described aerated capsule are irregular projection.
The utility model compared with prior art has the following advantages: adopt the utility model observation system of water injection in fractured zone in coal seam goaf to improve the operating efficiency of down-hole uphole subsection water injection observation procedure, shortened the time of observation, and can accurately measure the flow that leaks that target is surveyed the water of the fissure zone of section and caving zone, thereby can accurately judge the fissure zone of target survey section and the development degree of caving zone, for the safe working in coal seam provides technical data accurately, and the utility model is easy to use, simple to operate, very big practical value is arranged.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the overall structure schematic diagram of inserting tube of the present utility model.
Fig. 3 is the structural representation of water injection pipe of the present utility model.
Fig. 4 is the connection diagram of aqueduct of the present utility model and gas pipeline and water injection pipe and aerated capsule.
Fig. 5 is the structural representation of water injection hole of the present utility model.
Fig. 6 is the schematic diagram of the irregular projection of aerated capsule external surface of the present utility model.
Description of reference numerals:
The 1-inserting tube; The 11-aerated capsule; The irregular projection of 110-;
The 12-contiguous block; 121-sealing ring one; 122-sealing ring two;
The 13-water injection pipe; The 131-water injection hole; The unidirectional guide vane of 132-;
The 2-ventilating control system; The 20-high-pressure air source; The 21-gas pressure regulating valve;
22-pressure meter one; 23-master's gas pipeline; The 24-admission valve;
25-pressure meter two; The 26-vent valve; 27-frame one;
3-water filling control system; The 30-high-pressure water; 31-hydraulic pressure control valve;
32-pressure meter three; 33-water-main road; The 34-water intaking valve;
The 35-flowmeter; The 36-discharging valve; 37-frame two;
4-boring; The 5-aqueduct; The 51-inlet opening;
The 6-gas pipeline; The 61-air-filled pore; The 7-tunnel.
The specific embodiment
A kind of observation system of water injection in fractured zone in coal seam goaf as shown in Figure 1, comprise inserting tube 1, ventilating control system 2 and water filling control system 3, described inserting tube 1 (as shown in Figure 2), comprise two aerated capsules 11, be installed in water injection pipe 13 between described two aerated capsules 11 by contiguous block 12, gas pipeline 6 and aqueduct 5, described inserting tube 1 is installed in the boring 4, and aerated capsule 11 inflation backs closely contact with the wall of boring 4, realization is to the excellent sealing at the two ends of the water injection pipe between the aerated capsule 11 13, make the water that from water injection pipe 13, flows out can not flow out along the direction of boring 4, have a plurality of water injection holes 131 (as shown in Figure 3) on the described water injection pipe 13, the water of described water injection hole 131 flows out and flow into the fissure zone and the caving zone of target survey section from water injection pipe 13, be used to measure the leakage flow of water in fissure zone and the caving zone, described gas pipeline 6 and aqueduct 5 are laid in aerated capsule 11 and water injection pipe 13 inside respectively, the part that is positioned at water injection pipe 13 on the described aqueduct 5 has inlet opening 51, the part that is positioned at aerated capsule 11 on the described gas pipeline 6 has air-filled pore 61, gas pipeline 6 is inflated to aerated capsule 11 by air-filled pore 61, aerated capsule 11 is expanded, thereby realize the excellent sealing at 11 pairs of water injection pipe 13 two ends of aerated capsule, described aqueduct 5 injects water by inlet opening 51 to water injection pipe 13; This inserting tube 1 in use, can make gas pipeline 6 enter aerated capsule 11 by air-filled pore 61 fast, aerated capsule 11 expands rapidly under the effect of gas, described aqueduct 5 can carry out water-filling to water injection pipe 13 fast, fissure zone and caving zone that water injection pipe 13 can be surveyed section by water injection hole 131 to target fast carry out water filling, and emptying effectiveness is very high.
Described ventilating control system 2 comprises high-pressure air source 20 and the main gas pipeline 23 that is connected with high-pressure air source 20, on the described main gas pipeline 23 admission valve 24 is installed, admission valve 24 can be controlled flexibly to air inflow, one side of described admission valve 24 is equipped with gas pressure regulating valve 21, be connected with pressure meter 1 on the described gas pressure regulating valve 21, gas pressure regulating valve 21 can flexible modulation gas pressure, pressure meter 1 is used to show that force value is to make things convenient for the adjusting of 21 pairs of gas pressures of gas pressure regulating valve, the opposite side of described admission valve 24 is equipped with vent valve 26, be connected with pressure meter 2 25 on the described vent valve 26, vent valve 26 is used for the control to the gas flow of gas pipeline 6 inputs, and described main gas pipeline 23 is connected with gas pipeline 6;
Described water filling control system 3 comprises high-pressure water 30 and the water-main road 33 that is connected with high-pressure water 30, on the described water-main road 33 water intaking valve 34 is installed, water intaking valve 34 can be controlled flexibly to inflow, one side of described water intaking valve 34 is equipped with hydraulic pressure control valve 31, be connected with pressure meter 3 32 on the described hydraulic pressure control valve 31, hydraulic pressure control valve 31 can flexible modulation gas pressure, pressure meter 3 32 is used to show that force value is to make things convenient for the adjusting of 31 pairs of hydraulic pressure of hydraulic pressure control valve, the opposite side of described water intaking valve 34 is equipped with flowmeter 35, described flowmeter 35 can show the flow that is input to the water in the aqueduct 5 intuitively, that is to say that water injection pipe 13 penetrates into the leakage flow of the water of fissure zone and caving zone, described flowmeter 35 is connected with discharging valve 36 away from a side of water intaking valve 34, discharging valve 36 is used for the control to the water yield of aqueduct 5 inputs, and described water-main road 33 is connected with aqueduct 5.During use, ventilating control system 2 is inflated to aerated capsule 11 by main gas pipeline 23 and gas pipeline 6 earlier, after expanding, aerated capsule 11 closely contacts with the inwall of boring 4,11 pairs of aerated capsules promptly will be imported water injection pipe 13 sealings of water, close admission valve 24 and vent valve 26 on the ventilating control system 2 then, termination is to gassiness aerated capsule 11 air feed, next, open water filling control system 3, the water filling in water injection pipe 13 by water-main road 33 and aqueduct 5, water flows to fissure zone and the caving zone that target is surveyed section from the water injection hole 131 on the water injection pipe 13, flow to the water yield of water injection pipe 13 by flowmeter 35 observations, this water yield promptly is to flow into target to survey the fissure zone of section and the leakage flow of caving zone, judges the fissure zone of target survey section and the development degree of caving zone by the size of leakage flow.This observation system simple in structure, easy to operate, can measure water fast and accurately and survey the fissure zone of section and the leakage flow in the caving zone, greatly facilitate the observation of people, thereby further instruct safe working the coal seam to fissure zone and caving zone development degree in target.
Described main gas pipeline 23 is installed on the frame 1 that is positioned at tunnel 7, and described water-main road 33 is installed on the frame 2 37 that is positioned at tunnel 7.Frame 1 and frame 2 37 be arranged so that ventilating control system 2 and water filling control system 3 can be firm.
As shown in Figure 4, described gas pipeline 6 all is equipped with sealing ring 1 with the junction of aerated capsule 11 and water injection pipe 13, and described aqueduct 5 all is equipped with sealing ring 2 122 with the junction of aerated capsule 11 and water injection pipe 13.The setting of sealing ring 1 can make the sealing that the gas pipeline 6 and the junction of aerated capsule 11 and water injection pipe 13 can be good, and the setting of sealing ring 2 122 can make the sealing that the aqueduct 5 and the junction of aerated capsule 11 and water injection pipe 13 can be good.
Described water injection hole 131 is positioned at the inside wall of water injection pipe 13 for the big mouth of taper and water injection hole 131.Water injection hole 131 adopts this conical design (as shown in Figure 5), makes the flow velocity of water injection hole 131 increase, and the water in the water injection pipe 131 can be flow in fissure zone and the caving zone fast, has shortened the testing time greatly, has improved the efficient of observation.
The quantity of the water injection hole 131 on the described water injection pipe 13 increases successively along the direction of flowing through of water in the aqueduct 5.Owing to be the method that adopts down-hole uphole subsection water injection observation, boring 4 is upwardly extending along a certain elevation angle, when water injection pipe 13 during to fissure zone and caving zone water filling, be positioned at water injection pipe 13 upper ends water injection hole 131 more, from water injection pipe 13 upper ends to its lower end, the quantity of described water injection hole 131 reduces successively, when adopting this mode to be provided with mainly to be based on water injection hole 131 when water injection pipe 13 upper ends to fissure zone and caving zone water filling, the part water yield can flow downward under the effect of gravity, thereby make the water injection rate of water injection pipe 13 lower ends reduce to some extent, like this can be so that the flow that leaks that goes out reflects the fissure zone of target side section and the development degree of caving zone more accurately.
Be connected with unidirectional guide vane 132 on the sidewall of described water injection hole 131.As shown in Figure 5, described unidirectional guide vane 132 can be realized surveying the fissure zone of section and the one way entrapped water of caving zone from water injection pipe 13 to target.Because when the water filling of fissure zone and caving zone reaches capacity, stop water filling in water injection pipe 13, in the time of will withdrawing from the inserting tube 1 of target side section in the boring 4, a part of water in the water injection pipe 13 can reflux from aqueduct 5, thereby cause the hydraulic pressure in the water injection pipe 13 to reduce, and a part of water in saturated fissure zone of water content and the caving zone can blow back into water injection hole 131 from water injection hole 131, but, from the water of fissure zone and caving zone inflow, contain a large amount of mineral matters and other impurity, will cause obstruction and corrosion to water injection pipe 13, adopting unidirectional guide vane 132 and this unidirectional guide vane 132 and the sidewall of water injection hole 131 is to flexibly connect, when water from water injection pipe 13 when water injection hole 131 flows to target and surveys section fissure zone and caving zone, unidirectional guide vane 132 is opened under the impulse force of water; When a part of saturation water in fissure zone and the caving zone flows into water injection hole 131, unidirectional guide vane 132 cuts out under the impulse force of water, thereby stop a part of saturation water in fissure zone and the caving zone to enter water injection pipe 13, avoided containing in fissure zone and the caving zone of obstruction and the corrosion of a part of saturation water of a large amount of mineral matters and other impurity water injection pipe 13.
The external surface of described aerated capsule 11 is irregular protruding 110.As shown in Figure 6, because boring 4 inwall is uneven, the external surface of aerated capsule 11 is set to irregular protruding 110, can make aerated capsule 11 and boring 4 reach good sealing.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. observation system of water injection in fractured zone in coal seam goaf is characterized in that: comprise inserting tube (1), ventilating control system (2) and water filling control system (3);
Described inserting tube (1) comprises two aerated capsules (11), is installed in water injection pipe (13), gas pipeline (6) and aqueduct (5) between described two aerated capsules (11) by contiguous block (12), have a plurality of water injection holes (131) on the described water injection pipe (13), described gas pipeline (6) and aqueduct (5) are laid in aerated capsule (11) and water injection pipe (13) inside respectively, the part that is positioned at water injection pipe (13) on the described aqueduct (5) has inlet opening (51), and the part that is positioned at aerated capsule (11) on the described gas pipeline (6) has air-filled pore (61);
Described ventilating control system (2) comprises high-pressure air source (20) and the main gas pipeline (23) that is connected with high-pressure air source (20), admission valve (24) is installed on the described main gas pipeline (23), one side of described admission valve (24) is equipped with gas pressure regulating valve (21), be connected with pressure meter one (22) on the described gas pressure regulating valve (21), the opposite side of described admission valve (24) is equipped with vent valve (26), be connected with pressure meter two (25) on the described vent valve (26), described main gas pipeline (23) is connected with gas pipeline (5);
Described water filling control system (3) comprises high-pressure water (30) and the water-main road (33) that is connected with high-pressure water (30), water intaking valve (34) is installed on the described water-main road (33), one side of described water intaking valve (34) is equipped with hydraulic pressure control valve (31), be connected with pressure meter three (32) on the described hydraulic pressure control valve (31), the opposite side of described water intaking valve (34) is equipped with flowmeter (35), described flowmeter (35) is connected with discharging valve (36) away from a side of water intaking valve (34), and described water-main road (33) is connected with aqueduct (5).
2. observation system of water injection in fractured zone in coal seam goaf according to claim 1, it is characterized in that: described main gas pipeline (23) is installed on the frame one (27) that is positioned at tunnel (7), and described water-main road (33) is installed on the frame two (37) that is positioned at tunnel (7).
3. observation system of water injection in fractured zone in coal seam goaf according to claim 2, it is characterized in that: described gas pipeline (6) all is equipped with sealing ring one (121) with the punishment that is connected of aerated capsule (11) and water injection pipe (13), and described aqueduct (5) all is equipped with sealing ring two (122) with the junction of aerated capsule (11) and water injection pipe (13).
4. observation system of water injection in fractured zone in coal seam goaf according to claim 3 is characterized in that: described water injection hole (131) is positioned at the inside wall of water injection pipe (13) for the big mouth of taper and water injection hole (131).
5. observation system of water injection in fractured zone in coal seam goaf according to claim 4 is characterized in that: the quantity of the water injection hole (131) on the described water injection pipe (13) increases successively along the direction of flowing through of the interior water of aqueduct (5).
6. observation system of water injection in fractured zone in coal seam goaf according to claim 5 is characterized in that: be connected with unidirectional guide vane (132) on the sidewall of described water injection hole (131).
7. observation system of water injection in fractured zone in coal seam goaf according to claim 6 is characterized in that: the external surface of described aerated capsule (11) is irregular projection (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202489151U CN201696048U (en) | 2010-07-05 | 2010-07-05 | Coal seam gob fracture zone water-injection observation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202489151U CN201696048U (en) | 2010-07-05 | 2010-07-05 | Coal seam gob fracture zone water-injection observation system |
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| CN201696048U true CN201696048U (en) | 2011-01-05 |
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| CN2010202489151U Expired - Fee Related CN201696048U (en) | 2010-07-05 | 2010-07-05 | Coal seam gob fracture zone water-injection observation system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892841A (en) * | 2010-07-05 | 2010-11-24 | 陕西省煤炭地质测量技术中心 | Observation system of water injection in fractured zone in coal seam goaf |
| CN103016007A (en) * | 2012-12-05 | 2013-04-03 | 山东科技大学 | Electronically controlled single-loop water-plugging overburden strata fracture detection method |
| CN104018835A (en) * | 2014-05-20 | 2014-09-03 | 山东科技大学 | Determination method for height of caving zone in mine mining |
| CN110107284A (en) * | 2019-04-28 | 2019-08-09 | 扎赉诺尔煤业有限责任公司 | A kind of brill examining system and method detecting height of water flowing fractured zone by hydraulic pressure |
-
2010
- 2010-07-05 CN CN2010202489151U patent/CN201696048U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892841A (en) * | 2010-07-05 | 2010-11-24 | 陕西省煤炭地质测量技术中心 | Observation system of water injection in fractured zone in coal seam goaf |
| CN103016007A (en) * | 2012-12-05 | 2013-04-03 | 山东科技大学 | Electronically controlled single-loop water-plugging overburden strata fracture detection method |
| CN103016007B (en) * | 2012-12-05 | 2015-05-27 | 山东科技大学 | Electronically controlled single-loop water-plugging overburden strata fracture detection method and probing machine |
| CN104018835A (en) * | 2014-05-20 | 2014-09-03 | 山东科技大学 | Determination method for height of caving zone in mine mining |
| CN104018835B (en) * | 2014-05-20 | 2016-01-20 | 山东科技大学 | The decision method of caving zone height is adopted in a kind of mine |
| CN110107284A (en) * | 2019-04-28 | 2019-08-09 | 扎赉诺尔煤业有限责任公司 | A kind of brill examining system and method detecting height of water flowing fractured zone by hydraulic pressure |
| CN110107284B (en) * | 2019-04-28 | 2022-08-05 | 扎赉诺尔煤业有限责任公司 | Drilling and testing system and method for detecting height of water flowing fractured zone through water pressure |
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| C17 | Cessation of patent right | ||
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Granted publication date: 20110105 Termination date: 20130705 |