CN209148571U - A kind of nuclear magnetic resonance experiment device under deep mining high-temperature and high-pressure conditions - Google Patents
A kind of nuclear magnetic resonance experiment device under deep mining high-temperature and high-pressure conditions Download PDFInfo
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- CN209148571U CN209148571U CN201821605795.9U CN201821605795U CN209148571U CN 209148571 U CN209148571 U CN 209148571U CN 201821605795 U CN201821605795 U CN 201821605795U CN 209148571 U CN209148571 U CN 209148571U
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- pressure
- valve
- temperature
- coal sample
- clamper
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- 238000002474 experimental method Methods 0.000 title claims abstract description 20
- 238000005065 mining Methods 0.000 title claims abstract description 20
- 238000005481 NMR spectroscopy Methods 0.000 title claims abstract description 18
- 239000003245 coal Substances 0.000 claims abstract description 53
- 239000007789 gas Substances 0.000 claims abstract description 39
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001307 helium Substances 0.000 claims abstract description 13
- 229910052734 helium Inorganic materials 0.000 claims abstract description 13
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000013480 data collection Methods 0.000 claims abstract description 11
- 230000007547 defect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000685 Carr-Purcell-Meiboom-Gill pulse sequence Methods 0.000 description 1
- 238000004164 analytical calibration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of nuclear magnetic resonance experiment device under deep mining high-temperature and high-pressure conditions, the device mainly by gas bottle, helium tank, vacuum pump, booster pump, with reference to tank, magnet, coal sample clamper, oil storage cabin, high-temperature high-pressure apparatus, control and data collection system, pressure gauge and valve and independent centrifugal chiller at.It is characterized in that: the gas bottle is connected by pressure reducing valve one with valve one and pressure gauge one, the helium tank is connected by pressure reducing valve two with valve two and pressure gauge two, booster pump and delicate flow meter are connected between the gas bottle and reference tank and are connected by valve five with coal sample clamper, described coal sample clamper one end is connected with high-temperature high-pressure apparatus, the oil storage cabin is connected by fluorocarbon oil pipeline valve seven with coil both ends, and the coil is connected by data line with control with data collection system.The utility model loads the experimental study of high temperature and pressure and centrifugation for deep mining coal sample under low-field nuclear magnetic resonance.
Description
Technical field
The utility model relates to the nuclear magnetic resonance experiment devices under a kind of deep mining high-temperature and high-pressure conditions.
Background technique
In recent years, with the fast development of Examined effect and instrument and equipment, low-field nuclear magnetic resonance technology is exclusive by its
Favor of the technical advantage by numerous researchers, becomes the new technology in Study on Coal body opening crack.But with coal mine tunnelling footage
Increase, fire damp pressure and mine temperature all constantly increase, and traditional Nuclear Magnetic Resonance can not true accurate mould
Quasi- underground high temperature and high pressure environment, therefore seem extremely urgent to the improvement of existing experimental provision.The device can be with real simulation depth
Portion exploits the gas pressure and temperature of coal body, provides certain reference frame to study the hole fracture water flow of deep mining coal body.
Summary of the invention
The purpose of the utility model is to provide the nuclear magnetic resonance experiment devices under a kind of deep mining high-temperature and high-pressure conditions.
Above-mentioned purpose is realized by following technical scheme:
1. the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions, the device is mainly by gas bottle, helium
Gas cylinder, vacuum pump, booster pump, with reference to tank, magnet, coal sample clamper, oil storage cabin, high-temperature high-pressure apparatus, control and data acquire
System, pressure gauge and valve and independent centrifugal chiller at.It is characterized in that: the gas bottle passes through pressure reducing valve one and valve
One is connected with pressure gauge one, and the helium tank is connected by pressure reducing valve two with valve two and pressure gauge two, the gas bottle
Pass through pipeline with helium tank to be connected with reference to tank and coal sample clamper, the vacuum pump is pressed from both sides by pipeline and valve and coal sample
Holder is connected, and booster pump and delicate flow meter are connected between the gas bottle and reference tank and is pressed from both sides by valve five and coal sample
Holder is connected, and the magnet is connected with coal sample clamper, and described coal sample clamper one end is connected with high-temperature high-pressure apparatus, institute
The oil storage cabin stated is connected by fluorocarbon oil pipeline valve seven with coil both ends, and the coil is adopted with control with data by data line
Collecting system is connected.
2. according to the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions, it is characterized in that: institute
Pressure reducing valve one, valve one, the pipe of the vacuum pump are installed on the pipeline between gas bottle and the pressure gauge one stated
Road is connected with vacuum pumping valve, and the control and data collection system include host, surely control unit, radio frequency unit, gradient list
Member.
3. according to the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions, it is characterized in that: institute
The pressure gauge stated is used to detect the pressure of gas cylinder aerating, and the pressure reducing valve is used for the outlet pressure of regulating gas, the increasing
For press pump for increasing methane gas pressure, the defect of deep methane gas pressure can not be done by making up previous experimental provision, described
Magnet provides stable magnetic field for experimentation, has fluorocarbon oil in the oil storage cabin, by pressing member in coal sample clamper
It injects fluorocarbon oil and applies confining pressure, the application of temperature is to be heated by high-temperature high-pressure apparatus to fluorocarbon oil, then by clamper to coal sample
Heating, temperature and pressure needed for the high-temperature high-pressure apparatus can accurately reflect experimental provision, the control with
Data collection system is used to measure the T of coal sample2Spectral parameters, entire pipeline and each valve of testing is using wear-resistant pipeline and height
Densification sealing joint.
The utility model has the beneficial effects that
1. the booster pump that the utility model introduces can make gas pressure reach the gas of deep mining coal body local environment
Pressure, delicate flow meter can monitor gas adsorption amount in real time, the centrifuge full water coal sample can be realized it is different from
Mental and physical efforts test.
2. the utility model experiment flow: 1) coal sample produces processing: first by the coal cinder tapped be made Φ 50mm ×
The column coal sample of 100mm specification, and weigh to the coal sample made, original quality m1 is recorded, then coal sample is put into vacuum and is satisfied
With full water 12h is vacuumized in device, place into and impregnate 12h in distilled water, until coal sample quality is not further added by, obtain full water coal sample
Quality m2；2) air-tightness of check device: opening valve two, valve three, valve five, and helium is allowed to enter gas circuit and recording manometer
Two reading, it is after pressure stabilisation to be then shut off valve two, valve three, valve five, and observation pressure is not becoming within 8 hours
Change, illustrates that air-tightness is good；3) it vacuumizes: opening vacuum valve, valve five, valve six, reference tank and entire pipeline are vacuumized
About 30min；4) instrument calibration: opening computer and related software, selects corresponding sequence and required coil, opens RF switch,
Required coil is connected, oil sample is put into coil, sets the relevant parameter of instrument, according to instrumentation step to instrument
It is calibrated；5) it sets graticule: porosity standard specimen being sequentially placed into the center of coil, and measures corresponding signal strength, uses core
Magnetic resonance analysis software formulates a porosity graticule；6) it tests coal sample: coal sample to be measured is put into coal sample clamper and coil
Centre opens instrument software, selects CPMG sequence, and gas pressure and confining pressure needed for setting experiment select established hole
Porosity graticule tests the T of coal sample2Spectrogram, porosity, permeability, pore-size distribution etc.；7) after the completion of one group of data, change watt
This pressure and confining pressure carry out the experiment of other groups；8) coal sample water of satisfying is subjected to centrifugation test, repeats 6-7 step and carries out different centrifugations
The hole crack characteristic test of coal sample under power.
3. the utility model is by the nuclear magnetic resonance experiment device under deep mining high-temperature and high-pressure conditions, in certain journey
The hole crack characteristic rule of deep fractures coal body can be accurately grasped on degree, also the experiment for deep mining release in future coal body is ground
Study carefully and infrastest data and reference value are provided.This experimental rig will be to later more complicated deep mining high temperature and pressure item
Infrastest parametric measurement under part provides safeguard.
Detailed description of the invention:
Attached drawing 1,2 is the structural schematic diagram of the utility model.
1 gas bottle, 2 pressure reducing valves one, 3 valves one, 6 valves two, 28 valves three, 29 valves four, 13 valves six, 15 valves
Five, 19 valves seven, 4 pressure gauges one, 5 pressure gauges two, 7 pressure reducing valves two, 8 helium tanks, 9 vacuum valves, 10 vacuum pumps, 11 booster pumps,
12 delicate flow meters, 14 refer to tank, 16 magnets, 17 coal sample clampers, 18 coils, 20 oil storage cabins, 21 high-temperature high-pressure apparatus, 22
Gradient Unit, 23 radio frequency units, 24 steady control units, 25 hosts, 26 controls and data collection system, 27 exhaust outlets, 30 centrifuges.
Specific embodiment:
Embodiment 1:
1. the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions, the device is mainly by gas bottle, helium
Gas cylinder, vacuum pump, booster pump, with reference to tank, magnet, coal sample clamper, oil storage cabin, high-temperature high-pressure apparatus, control and data acquire
System, pressure gauge and valve and independent centrifugal chiller at.It is characterized in that: the gas bottle passes through pressure reducing valve one and valve
One is connected with pressure gauge one, and the helium tank is connected by pressure reducing valve two with valve two and pressure gauge two, the gas bottle
Pass through pipeline with helium tank to be connected with reference to tank and coal sample clamper, the vacuum pump is pressed from both sides by pipeline and valve and coal sample
Holder is connected, and booster pump and delicate flow meter are connected between the gas bottle and reference tank and is pressed from both sides by valve five and coal sample
Holder is connected, and the magnet is connected with coal sample clamper, and described coal sample clamper one end is connected with high-temperature high-pressure apparatus, institute
The oil storage cabin stated is connected by fluorocarbon oil pipeline valve seven with coil both ends, and the coil is adopted with control with data by data line
Collecting system is connected.
Embodiment 2:
According to the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions described in embodiment 1, feature
It is: pressure reducing valve one, valve one, the vacuum pump is installed on the pipeline between the gas bottle and the pressure gauge one
Pipeline on be connected with vacuum pumping valve, the control and data collection system include host, surely control unit, radio frequency unit, ladder
Spend unit.
Embodiment 3:
According to the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions described in embodiment 1, feature
Be: the pressure gauge is used to detect the pressure of gas cylinder aerating, and the pressure reducing valve is used for the outlet pressure of regulating gas, described
Booster pump for increasing methane gas pressure, the defect of deep methane gas pressure, institute can not be done by making up previous experimental provision
The magnet stated provides stable magnetic field for experimentation, has fluorocarbon oil in the oil storage cabin, is clamped by pressing member to coal sample
Fluorocarbon oil is injected in device and applies confining pressure, and the application of temperature is to be heated by high-temperature high-pressure apparatus to fluorocarbon oil, is then given by clamper
Coal sample heating, temperature and pressure needed for the high-temperature high-pressure apparatus can accurately reflect experimental provision, the control
System is used to measure the T of coal sample with data collection system2Spectral parameters, entire pipeline and each valve of testing is using wear-resistant pipeline
And high pressure sealing joint.
Claims (3)
1. the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions, the device is mainly by gas bottle (1), helium
Bottle (8), vacuum pump (10), booster pump (11), with reference to tank (14), magnet (16), coal sample clamper (17), oil storage cabin (20), high
High-temperature high-pressure apparatus (21), control and data collection system (26), pressure gauge and valve and independent centrifuge (30) form,
Be characterized in: the gas bottle (1) is connected by pressure reducing valve one (2) with valve one (3) and pressure gauge one (4), the helium
Bottle (8) is connected by pressure reducing valve two (7) with valve two (6) and pressure gauge two (5), and the gas bottle and helium tank pass through pipe
Line is connected with reference to tank (14) and coal sample clamper (17), and the vacuum pump (10) passes through pipeline and valve and coal sample clamper
It is connected, booster pump (11) and delicate flow meter (12) is connected between the gas bottle and reference tank (14) and by valve five
(15) valve six (13) is connected with coal sample clamper, and the magnet (16) is connected with coal sample clamper, the coal sample clamping
Device connects high-temperature high-pressure apparatus, and the oil storage cabin (20) is connected by fluorocarbon oil pipeline valve seven (19) with coil (18) both ends,
The coil is connected by data line with control with data collection system.
2. the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions according to claim 1, feature
It is: pressure reducing valve one (2), valve one (3) is installed on the pipeline between the gas bottle (1) and the pressure gauge one (4),
It is connected with vacuum pumping valve (9) on the pipeline of the vacuum pump (10), the control and data collection system (26) include master
Machine (25) surely controls unit (24), radio frequency unit (23), Gradient Unit (22).
3. the nuclear magnetic resonance experiment device under a kind of deep mining high-temperature and high-pressure conditions according to claim 1, feature
Be: the pressure gauge is used to detect the pressure of gas cylinder aerating, and the pressure reducing valve is used for the outlet pressure of regulating gas, described
Booster pump (11) for increasing gas pressure, the defect of deep gas pressure can not be done by making up previous experimental provision, described
Magnet (16) provides stable magnetic field for experimentation, has fluorocarbon oil in the oil storage cabin (20), by pressing member to coal sample
Fluorocarbon oil is injected in clamper and applies confining pressure, and the application of temperature is to be heated by high-temperature high-pressure apparatus (21) to fluorocarbon oil, is then passed through
Clamper is heated to coal sample, temperature and pressure needed for the high-temperature high-pressure apparatus can accurately reflect experimental provision,
The control and data collection system (26) is used to measure the T of coal sample2Spectral parameters, entire experiment pipeline and each valve are adopted
With wear-resistant pipeline and high pressure sealing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605795.9U CN209148571U (en) | 2018-09-30 | 2018-09-30 | A kind of nuclear magnetic resonance experiment device under deep mining high-temperature and high-pressure conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605795.9U CN209148571U (en) | 2018-09-30 | 2018-09-30 | A kind of nuclear magnetic resonance experiment device under deep mining high-temperature and high-pressure conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148571U true CN209148571U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821605795.9U Expired - Fee Related CN209148571U (en) | 2018-09-30 | 2018-09-30 | A kind of nuclear magnetic resonance experiment device under deep mining high-temperature and high-pressure conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142418A (en) * | 2018-09-30 | 2019-01-04 | 河南理工大学 | A kind of nuclear magnetic resonance experiment system and method under deep mining high-temperature and high-pressure conditions |
-
2018
- 2018-09-30 CN CN201821605795.9U patent/CN209148571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142418A (en) * | 2018-09-30 | 2019-01-04 | 河南理工大学 | A kind of nuclear magnetic resonance experiment system and method under deep mining high-temperature and high-pressure conditions |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 |