CN204882319U - Real triaxial receives to carry and adsorbs analytic seepage flow experimental apparatus including light coal - Google Patents
Real triaxial receives to carry and adsorbs analytic seepage flow experimental apparatus including light coal Download PDFInfo
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- CN204882319U CN204882319U CN201520604957.7U CN201520604957U CN204882319U CN 204882319 U CN204882319 U CN 204882319U CN 201520604957 U CN201520604957 U CN 201520604957U CN 204882319 U CN204882319 U CN 204882319U
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Abstract
(B, ) real triaxial receives to carry and adsorbs analytic seepage flow experimental apparatus including light coal. Present real triaxial receives carry to contain the light coal, and to adsorb the research of analytic (b) (b) (b) (b) seepage flow experimental system of (b) (b) (b) (b) few. The utility model discloses the constitution includes: gas bomb (b) (b) 2 (b) (b) and vacuum pump (b) (b) 3 (b) (b), gas bomb and vacuum pump all are connected with relief pressure valve (b) (b) 1 (b) (b) and coal sample holder (b) (b) 4 (b) (b), coal sample holder dress is in accuse greenhouse (b) (b) 5 (b) (b), accompany coal sample (b) (b) 6 (b) (b) on the coal sample holder, coal sample holder and digital stream gauge (b) (b) 7 (b) (b), displacement sensor (b) (b) 8 (b) (b), temperature sensor (b) (b) 9 (b) (b) electricity is connected, flowmeter and sensor all are connected with amplifier (b) (b) 10 (b) (b), the amplifier is connected with adc (b) (b) 11 (b) (b), adc is connected with data acquisition device (b) (b) 12 (b) (b), the coal sample holder is connected with servo hydraulic pressure loading device (b) (b) 13 (b) (b), axial pressure device (b) (b) 14 (b) (b) is equipped with in the servo hydraulic pressure loading device. The utility model is used for receive to carry and test including light coal seepage flow. (B, ) (b /)
Description
technical field:
the utility model relates to the absorption of a kind of true triaxial stand under load coal containing methane gas and resolves seepage experimental apparatus.
background technology:
along with the increase gradually of China's coal-mine mining depth, coal-bed gas pressure and gas bearing capacity all obviously increase, add China's gas permeability of coal seam lower, the gas pumping difficulty in colliery can be increasing, coal and gas prominent and gas explosion accident take place frequently, in order to improve gas pumping efficiency, need the percolation law more accurately grasping stand under load coal seam with gas, therefore the research of true triaxial stand under load coal containing methane gas absorption-parsing-seepage flow experiment system is just extremely urgent; At present, less for the research of true triaxial stand under load coal containing methane gas absorption-parsing-seepage flow experiment system both at home and abroad, lack basic theory and the experimental study of true triaxial stand under load coal containing methane gas absorption-parsing-seepage effect, only achievements in research are that research work has been carried out in the aspects such as pseudo-three axle stand under load coal containing methane gas absorption-parsing-seepage flow, and mostly confined pressure being reduced to a direction, this and colliery scene actual conditions difference are larger.
summary of the invention:
the purpose of this utility model is to provide the absorption of a kind of true triaxial stand under load coal containing methane gas and resolves seepage experimental apparatus.
above-mentioned object is realized by following technical scheme:
seepage experimental apparatus is resolved in the absorption of a kind of true triaxial stand under load coal containing methane gas, its composition comprises: gas bomb and vacuum pump, described gas bomb is all connected with reduction valve and coal sample clamper with described vacuum pump, described coal sample clamper is contained in temperature-controlling chamber, described coal sample clamper accompanies coal sample, described coal sample clamper and digital flowmeter, displacement transducer, temperature sensor is electrically connected, described digital flowmeter, described displacement transducer, described temperature sensor is all connected with amplifier, described amplifier is connected with analog to digital converter, described analog to digital converter is connected with data collector, described coal sample clamper is connected with servo-hydraulic charger, described servo-hydraulic charger is built with axial pressurizing device, Z-direction pressue device, Y-direction pressue device, X is to pressue device.
seepage experimental apparatus is resolved in described true triaxial stand under load coal containing methane gas absorption, pipeline between described reduction valve and described coal sample clamper is provided with valve one, valve two, valve four, pipeline between described vacuum pump and described coal sample clamper is provided with valve three, pipeline between described servo-hydraulic charger and described coal sample clamper is provided with valve five, valve six, valve seven, valve eight, tensimeter one, tensimeter two, tensimeter three, tensimeter four, pipeline between described digital flowmeter and described coal sample clamper is provided with valve nine.
the beneficial effects of the utility model:
1. gas bomb of the present utility model is built with the CH of concentration 99.99%
4
gas, experimental temperature can be adjusted to predetermined temperature environment by temperature-controlling chamber, data collector collecting temperature, displacement, data on flows, servo-hydraulic charger adds confined pressure to the X-direction of described coal sample clamper, Y-direction, Z-direction three directions, really realize the experimental situation of true triaxial, gas bomb injects the gas of certain pressure to the coal sample in clamper by pipeline.
the coal sample of Φ 50 × 100mm will be made when the utility model uses, be arranged in coal sample clamper, and check the sealing of clamper, finally fix coal sample clamper; Under the system of guarantee connects correct, that impermeability is intact prerequisite, vacuum pump is utilized to carry out vacuum outgas to Integrated test facility, valve-off nine, valve eight, valve seven, valve six, valve five, open valve three, valve four, until device vacuum tightness kept stable in 2 hours after closedown vacuum pump, namely complete vacuum outgas; Under regulating temperature-controlling chamber that coal sample is kept equilibrium temperature environment, open valve one, valve two, valve four, valve-off three, be filled with the CH of 99.99%
4
gas, adsorption gas 12h coal sample reaches adsorption equilibrium; Open valve six, valve seven, valve eight, load the confined pressure being greater than the X-direction of gaseous tension, Y-direction, Z-direction three directions, after predetermined experiment condition, valve-off six, valve seven, valve eight, open valve five, valve-off five after loading axial compression to predetermined experiment condition; Inject the CH of predetermined pressure
4
gas, opens valve nine, after coal sample methane gas stability of flow, and mensurated gas composition data on flows; Change the different experiment conditions such as gaseous tension, confined pressure, temperature, carry out next group experiment.
the utility model by carrying out true triaxial stand under load coal containing methane gas absorption-parsing-Seepage Experiment under carrying out different gas injection pressure condition after coal gas adsorption equilibrium, this true triaxial stand under load coal containing methane gas absorption-parsing-seepage flow experiment system will make up the blank of this one side, environment that can be more residing in real simulation stand under load coal seam with gas recovery process, this test macro and method have important meaning and value to the mechanism and experimental study of more accurately grasping coal seam with gas seepage effect, this test macro can be the basic theory of true triaxial stand under load coal seam with gas seepage effect and study mechanism provides more fully laboratory facilities, can environment more residing for real simulation coal seam with gas, there is important meaning and value to the mechanism and experimental study more accurately grasping coal seam with gas seepage effect.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present utility model.
accompanying drawing 2 is circuit diagrams of amplifier of the present utility model.
accompanying drawing 3 is circuit diagrams of analog to digital converter of the present utility model.
embodiment:
embodiment 1:
seepage experimental apparatus is resolved in the absorption of a kind of true triaxial stand under load coal containing methane gas, its composition comprises: gas bomb 2 and vacuum pump 3, described gas bomb is all connected with reduction valve 1 and coal sample clamper 4 with described vacuum pump, described coal sample clamper is contained in temperature-controlling chamber 5, described coal sample clamper accompanies coal sample 6, described coal sample clamper and digital flowmeter 7, displacement transducer 8, temperature sensor 9 is electrically connected, described digital flowmeter, described displacement transducer, described temperature sensor is all connected with amplifier 10, described amplifier is connected with analog to digital converter 11, described analog to digital converter is connected with data collector 12, described coal sample clamper is connected with servo-hydraulic charger 13, described servo-hydraulic charger is built with axial pressurizing device 14, Z-direction pressue device 15, Y-direction pressue device 16, X is to pressue device 17.
embodiment 2:
seepage experimental apparatus is resolved in true triaxial stand under load coal containing methane gas absorption according to embodiment 1, pipeline between described reduction valve and described coal sample clamper is provided with valve 1, valve 2 19, valve 4 20, pipeline between described vacuum pump and described coal sample clamper is provided with valve 3 21, pipeline between described servo-hydraulic charger and described coal sample clamper is provided with valve 5 22, valve 6 23, valve 7 24, valve 8 25, tensimeter 1, tensimeter 2 27, tensimeter 3 28, tensimeter 4 29, pipeline between described digital flowmeter and described coal sample clamper is provided with valve 9 30.
Claims (2)
1. seepage experimental apparatus is resolved in a true triaxial stand under load coal containing methane gas absorption, its composition comprises: gas bomb and vacuum pump, it is characterized in that: described gas bomb is all connected with reduction valve and coal sample clamper with described vacuum pump, described coal sample clamper is contained in temperature-controlling chamber, described coal sample clamper accompanies coal sample, described coal sample clamper and digital flowmeter, displacement transducer, temperature sensor is electrically connected, described digital flowmeter, described displacement transducer, described temperature sensor is all connected with amplifier, described amplifier is connected with analog to digital converter, described analog to digital converter is connected with data collector, described coal sample clamper is connected with servo-hydraulic charger, described servo-hydraulic charger is built with axial pressurizing device, Z-direction pressue device, Y-direction pressue device, X is to pressue device.
2. seepage experimental apparatus is resolved in true triaxial stand under load coal containing methane gas absorption according to claim 1, it is characterized in that: the pipeline between described reduction valve and described coal sample clamper is provided with valve one, valve two, valve four, pipeline between described vacuum pump and described coal sample clamper is provided with valve three, pipeline between described servo-hydraulic charger and described coal sample clamper is provided with valve five, valve six, valve seven, valve eight, tensimeter one, tensimeter two, tensimeter three, tensimeter four, pipeline between described digital flowmeter and described coal sample clamper is provided with valve nine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604957.7U CN204882319U (en) | 2015-08-12 | 2015-08-12 | Real triaxial receives to carry and adsorbs analytic seepage flow experimental apparatus including light coal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520604957.7U CN204882319U (en) | 2015-08-12 | 2015-08-12 | Real triaxial receives to carry and adsorbs analytic seepage flow experimental apparatus including light coal |
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| CN204882319U true CN204882319U (en) | 2015-12-16 |
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| CN201520604957.7U Expired - Fee Related CN204882319U (en) | 2015-08-12 | 2015-08-12 | Real triaxial receives to carry and adsorbs analytic seepage flow experimental apparatus including light coal |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784489A (en) * | 2016-02-29 | 2016-07-20 | 辽宁工程技术大学 | Test device and method for coal body deformation under action of true triaxial stress, seepage, adsorption and desorption |
| CN106353159A (en) * | 2016-09-08 | 2017-01-25 | 华北科技学院 | Apparatus and method for manufacturing coal sample by hybrid hot-pressing |
| CN106840991A (en) * | 2016-12-07 | 2017-06-13 | 中国矿业大学 | A kind of many PROCESS COUPLING pilot systems of Unconventional gas rock gas heat |
| CN107462472A (en) * | 2017-07-26 | 2017-12-12 | 太原理工大学 | A kind of experimental simulation device and analogy method of the compound fracturing coal body of temperature and pressure pulse |
| CN108627416A (en) * | 2018-05-02 | 2018-10-09 | 河南理工大学 | Coal seam with gas adsorption-desorption seepage flow experiment system and method under a kind of high temperature and pressure |
| CN109187926A (en) * | 2018-09-18 | 2019-01-11 | 太原理工大学 | Three axis seepage flow test device of fractured coal and rock and desorption-diffusion-seepage tests system |
| CN110082496A (en) * | 2019-05-24 | 2019-08-02 | 华北科技学院 | A kind of three axis coal sample model experimental systems |
| WO2020029497A1 (en) * | 2018-08-06 | 2020-02-13 | Xi'an University Of Science And Technology | A seepage-creep and mechanical experimental system for coal and rock mass containing gas under triaxial loading in low-temperature environment |
| CN112067480A (en) * | 2020-10-14 | 2020-12-11 | 河南理工大学 | Deep gas-containing coal rock pulsating fracturing experimental device and experimental method |
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2015
- 2015-08-12 CN CN201520604957.7U patent/CN204882319U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784489A (en) * | 2016-02-29 | 2016-07-20 | 辽宁工程技术大学 | Test device and method for coal body deformation under action of true triaxial stress, seepage, adsorption and desorption |
| CN105784489B (en) * | 2016-02-29 | 2018-08-24 | 辽宁工程技术大学 | The lower coal deformation experimental rig of true triaxial stress seepage flow adsorption-desorption effect and method |
| CN106353159A (en) * | 2016-09-08 | 2017-01-25 | 华北科技学院 | Apparatus and method for manufacturing coal sample by hybrid hot-pressing |
| CN106840991B (en) * | 2016-12-07 | 2019-04-23 | 中国矿业大学 | A kind of Unconventional gas rock-more PROCESS COUPLING pilot systems of gas-heat |
| CN106840991A (en) * | 2016-12-07 | 2017-06-13 | 中国矿业大学 | A kind of many PROCESS COUPLING pilot systems of Unconventional gas rock gas heat |
| CN107462472B (en) * | 2017-07-26 | 2019-12-31 | 太原理工大学 | Experimental simulation device and simulation method for temperature-pressure pulse composite fracturing coal body |
| CN107462472A (en) * | 2017-07-26 | 2017-12-12 | 太原理工大学 | A kind of experimental simulation device and analogy method of the compound fracturing coal body of temperature and pressure pulse |
| CN108627416A (en) * | 2018-05-02 | 2018-10-09 | 河南理工大学 | Coal seam with gas adsorption-desorption seepage flow experiment system and method under a kind of high temperature and pressure |
| WO2020029497A1 (en) * | 2018-08-06 | 2020-02-13 | Xi'an University Of Science And Technology | A seepage-creep and mechanical experimental system for coal and rock mass containing gas under triaxial loading in low-temperature environment |
| CN109187926A (en) * | 2018-09-18 | 2019-01-11 | 太原理工大学 | Three axis seepage flow test device of fractured coal and rock and desorption-diffusion-seepage tests system |
| CN109187926B (en) * | 2018-09-18 | 2021-04-20 | 太原理工大学 | Three-axis seepage test device for fractured coal rock mass and desorption-diffusion-seepage test system |
| CN110082496A (en) * | 2019-05-24 | 2019-08-02 | 华北科技学院 | A kind of three axis coal sample model experimental systems |
| CN110082496B (en) * | 2019-05-24 | 2024-05-17 | 华北科技学院 | Triaxial coal sample model experiment system |
| CN112067480A (en) * | 2020-10-14 | 2020-12-11 | 河南理工大学 | Deep gas-containing coal rock pulsating fracturing experimental device and experimental method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |