CN108760802A - Temperature Evolution token test device and method during coal petrography adsorption-desorption gas - Google Patents
Temperature Evolution token test device and method during coal petrography adsorption-desorption gas Download PDFInfo
- Publication number
- CN108760802A CN108760802A CN201810487872.3A CN201810487872A CN108760802A CN 108760802 A CN108760802 A CN 108760802A CN 201810487872 A CN201810487872 A CN 201810487872A CN 108760802 A CN108760802 A CN 108760802A
- Authority
- CN
- China
- Prior art keywords
- gas
- pressure
- adsorption
- temperature
- desorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 239000003245 coal Substances 0.000 title claims abstract description 60
- 238000002336 sorption--desorption measurement Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000011148 porous material Substances 0.000 claims abstract description 36
- 239000011435 rock Substances 0.000 claims abstract description 22
- 238000002474 experimental method Methods 0.000 claims abstract description 11
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 8
- 208000032750 Device leakage Diseases 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000010998 test method Methods 0.000 claims abstract description 3
- 238000004826 seaming Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 238000003795 desorption Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 241000009298 Trigla lyra Species 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005065 mining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 235000019580 granularity Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Temperature Evolution token test device and method during a kind of coal petrography adsorption-desorption gas, device include true triaxial adsorption-desorption device, Pore Pressure loading device, stress loading device, insulating box, draining gas collecting apparatus and temperature measurement system.Temperature Evolution is tested during carrying out coal petrography adsorption-desorption gas with the device, including prepares test specimen, device Leakage Test, installation test specimen, experiment process, computer data acquiring and analysis.The device and test method can simulate coal rock specimen Temperature Evolution feature during adsorption-desorption gas under varying environment temperature, stress and gas pressure comprehensive condition under the conditions of real load, and influence of the different methane pressure gradients to Temperature Evolution during coal petrography adsorption-desorption gas is analyzed, for prediction coal petrography scientific basis is provided with Gas Outburst.
Description
Technical field
The present invention relates to coal mining experimental rig, coal petrography adsorption-desorption gas process under especially a kind of isoperibol
Middle temperature evolution Feature experimental rig and method.
Background technology
As coal mining is gradually shifted to deep, coal-bed gas pressure and crustal stress gradually increase, and coal petrography is prominent with gas
Go out equal dynamic phenomenons to take place frequently.For projecting coal bed exploitation, the indexs of correlation science such as gas, sound, electricity, magnetic, crustal stress, temperature is utilized
Effectively prediction outburst hazard is most important.Studies have shown that coal petrography and Gas Outburst are crustal stress, gas and coal petrography object
Manage the result of mechanical property comprehensive function.Under normal circumstances, by a certain range internal stress collection in front of mining influence working face wall
In, coal and rock Elastic latent energy increases, while a large amount of gas in ADSORPTION STATE desorb from coal and rock and gush out, coal during this
Rock temperature can accordingly change, and grasp coal and rock Temperature Evolution rule, to prominent using temperature index prediction coal petrography and gas
Go out to be of great significance.But current people can't grasp the rule of coal and rock temperature change completely.
Currently, for the experimental rig of Temperature Evolution law study during coal petrography adsorption-desorption gas, mainly utilize
Coal and rock gas adsorption desorbs fuel factor, carries out the items such as different coal and rock granularities, coal, gas pressure by research object of moulded coal
The experiment of coal and rock Temperature Evolution rule under part, or using infrared thermal imaging technique monitoring moulded coal surface temperature variation.It is tested
Method is mainly primary to be applied or gas pressure is discharged to realize coal and rock absorption or desorption gas.This Study on Coal rock temperature
The experimental rig or method of variation, do not account under the conditions of adopting stress loading effect to coal and rock adsorption-desorption gas effect and
Influence to Temperature Evolution cannot simulate the real load environment of coal and rock；Simultaneously also without analyzing different methane pressure gradients
Influence to Temperature Evolution during coal petrography adsorption-desorption gas.
Invention content
In view of the defects existing in the prior art, coal rock specimen can be simulated the object of the present invention is to provide one kind really carrying
Under the conditions of lotus under varying environment temperature, stress and gas pressure comprehensive condition Temperature Evolution during coal petrography adsorption-desorption gas
The experimental rig and method of feature provide scientific basis for prediction coal petrography with Gas Outburst.
Temperature Evolution token test device during the coal petrography adsorption-desorption gas of the present invention of realization above-mentioned purpose, including it is true
Three axis adsorption-desorption devices, Pore Pressure loading device, stress loading device, insulating box, draining gas collecting apparatus and temperature measure system
System；
The true triaxial adsorption-desorption device includes sleeve, the upper cap nut being connect with sleeve threaded upper ends, with sleeve lower end
The lower nut being threadedly coupled, the piston being slidably connected with upper cap nut inner wall sealing are placed in the seaming chuck for clamping test pieces in sleeve
And push-down head, seaming chuck apply pressure by the piston to test specimen, push-down head is fixedly mounted on sleeve lower end described in
On the supporting plate of lower screw cap closures connection, central axial along piston, seaming chuck, push-down head and supporting plate has upper and lower correspond respectively
Pore, there is closed gas chamber in the lower part of supporting plate, gas vent is provided on the side wall of gas chamber；
The Pore Pressure loading device includes (built-in gas) gas cylinder, standard can and vacuum pump, the high pressure gas
Bottle by main pipe rail and three bye-passes respectively on vacuum pump, standard can and (in true triaxial adsorption-desorption device) piston
Pore connects；Main pipe rail is equipped with No. 1 needle valve, pressure reducing valve and No. 1 pressure gauge；The bye-pass for connecting vacuum pump is equipped with No. 2
Needle valve and vacuum meter；The bye-pass for connecting standard can is equipped with No. 3 needle valves；The bye-pass for connecting the pore of piston is equipped with
No. 4 needle valves and No. 2 pressure gauges；
The stress loading device include (using water as medium) hydraulic test pump, hydraulic test pump divide two-way respectively with the true triaxial
Adsorption-desorption device connects, wherein can be applied all the way to the piston by the trepanning on upper cap nut in true triaxial adsorption-desorption device
Add axial compressive force, another way, which can apply test specimen by the trepanning on true triaxial adsorption-desorption device middle sleeve side wall, encloses to pressure
Power, two-way are connected to the needle valve that vacuum tank and control piper are opened and pressure measurement pressure gauge respectively；
The standard can and true triaxial adsorption-desorption device are placed in the insulating box；
The draining gas collecting apparatus includes sink and lower end is placed in the graduated cylinder in sink, and graduated cylinder passes through pipeline and No. 5 aciculiforms
Valve connects with the gas vent in the true triaxial adsorption-desorption device on the gas chamber sidewall of supporting plate lower part；
The temperature measurement system includes being attached to the temperature sensor of surface of test piece, and sensor passes through conducting wire and paperless tests
Instrument is connected, and recording instrument without paper is connected with computer.
The test method of Temperature Evolution feature during coal petrography adsorption-desorption gas is carried out using above-mentioned experimental rig, including
Following steps：
Step 1 prepares test specimen
Make standard original coal rock specimen with Rock and coal cutting mechanism, test specimen is sealed, it is spare；
Step 2, unloaded (not placing test specimen) experimental rig Leakage Test
(1) Pore Pressure loading device air tight test：The bye-pass to connect with vacuum pump is closed, is opened and standard can and work
The bye-pass that pore beyond the Great Wall connects；No. 1 needle valve, pressure reducing valve on main pipe rail are opened, adjusting pressure reducing valve makes No. 1 pressure gauge
Reading is setting value, is continued for some time, and it is good that No. 1 pressure gauge registration stablizes then Pore Pressure loading device air-tightness；
(2) stress loading device Leakage Test：All needle valves for opening hydraulic test pump two road, from hydraulic test pump to true three
Axial stress loading device applies setting pressure, continues for some time, and the pressure gauge registration of two roads stablizes then stress loading device
Leakproofness is good；
Step 3, installation test specimen
(1) temperature sensor is pasted onto to the surface of test piece of step 1 with High temperature-resistanadhesive adhesive tape；
(2) test specimen is placed between the seaming chuck and push-down head of true triaxial stress loading device, while will with heat-shrinkable T bush
Test specimen and upper push-down head wrap up (the heated meeting rapid desufflation of heat-shrinkable T bush)；
(3) temperature sensor is connect with recording instrument without paper by the pore and gas chamber of push-down head with conducting wire, paperless tests
Instrument is connect with computer；
Step 4 carries out Temperature Evolution experiment during coal petrography adsorption-desorption gas under isoperibol
(1) calorstat temperature is adjusted to set temperature value；
(2) axis pressure and confining pressure are applied to test specimen by hydraulic test pump；
(3) gas cylinder is closed, vacuum pump is opened, vacuum outgas is carried out to hole pressure loading device；
(4) gas adsorption experiment is carried out：The bye-pass to connect with the pore on piston and draining gas collecting apparatus are closed, is opened
Gas cylinder adjusts pressure reducing valve, the gas of certain pressure is passed through from gas cylinder to standard can, waits for that No. 1 pressure gauge reading is stablized
Afterwards, close gas cylinder, open the bye-pass that connects with the pore on piston, from standard can by piston and seaming chuck to test specimen
Gas injection, test specimen adsorption gas, persistently adsorbs certain time, and the variation of test specimen temperature in adsorption process is monitored with temperature measurement system
Value after absorption, closes the bye-pass to connect with the pore on piston, reopens gas cylinder, with the pressure ladder of setting
Degree increases the gas pressure for being passed through standard can, then repeats above-mentioned adsorption process, until reaching preset standard can gas
Pressure value monitors the lift-off value of test specimen temperature in each adsorption process；
(5) desorption of mash gas experiment is carried out：The bye-pass to connect with the pore on piston is closed, draining gas collecting apparatus is opened,
Test specimen desorbs gas, makes the gas pressure in true triaxial adsorption-desorption device by identical with absorption by observing No. 2 pressure gauges
Barometric gradient reduces, and is then shut off draining gas collecting apparatus, persistently desorbs certain time, monitors the change of test specimen temperature in desorption process
Change value；Pressing force gradient repeats desorption experiment, until No. 2 pressure gauge readings are zero, monitors test specimen in each desorption process
The decreasing value of temperature；
Step 5, by computer by during to the environment temperature of acquisition, stress, gas pressure and adsorption-desorption gas
Test specimen temperature change value is analyzed, and the coal petrography absorption solution under varying environment temperature, stress and gas pressure comprehensive condition is obtained
The Evolution of temperature, the reference frame as prediction getting working face coal petrography and Gas Outburst during suction gas.
Beneficial effects of the present invention：
1, the present invention can simulate the true of coal and rock applying triaxial stress to former coal rock specimen made of Rock and coal cutting
Real load environment.
2, the present invention applies pore pressure using Pore Pressure loading device to test specimen, by constantly increasing and reducing Pore Pressure
Power monitors the variable quantity of temperature during coal petrography adsorption/desorption gas under different aperture pressure, to measure coal and rock in difference
Temperature Evolution feature under environment temperature (being realized by changing calorstat temperature), stress and gas pressure comprehensive function, and point
Influence of the different methane pressure gradients to Temperature Evolution during coal petrography adsorption-desorption gas is analysed, to be adopted using temperature index prediction
It digs working face coal petrography and provides scientific basis with Gas Outburst.
Description of the drawings
Fig. 1 is the structural schematic diagram of experimental rig of the present invention.
Symbol description in figure：1, gas cylinder；2, pressure reducing valve；3, No. 1 needle valve；4, No. 1 pressure gauge；5, No. 2 needle valves；
6, vacuum meter；7, vacuum pump；8, insulating box；9, No. 3 needle valves；10, standard can；11, No. 4 needle valves；12, No. 2 pressure gauges；
13, No. 3 pressure gauges；14, No. 4 pressure gauges；15, No. 1 vacuum tank；16, No. 2 vacuum tanks；17, hydraulic test pump；18, pore；19, living
Plug；20, upper cap nut；21, sleeve；22, seaming chuck；23, push-down head；24, lower nut；25, supporting plate；26, gas chamber；27, gas vent；
28, No. 5 needle valves；29, graduated cylinder；30, sink；31, without paper data logger；32, computer；33, test specimen.
Specific implementation mode
The experimental rig in the present invention is described further below in conjunction with attached drawing.
As shown in Figure 1, Temperature Evolution token test device during coal petrography adsorption-desorption gas of the present invention, including true triaxial
Adsorption-desorption device, Pore Pressure loading device, stress loading device, insulating box 8, draining gas collecting apparatus and temperature measurement system.
The true triaxial adsorption-desorption device includes sleeve 21, the upper cap nut 20 being connect with sleeve threaded upper ends, with sleeve
The lower nut 24 of lower thread connection, the piston 19 being slidably connected with upper cap nut inner wall sealing are placed in sleeve for clamping test pieces
33 seaming chuck 22 and push-down head 23, seaming chuck apply pressure by the piston to test specimen, and push-down head is fixedly mounted on and covers
On supporting plate 25 of the cylinder lower end by the lower screw cap closures connection, along central axial point of piston, seaming chuck, push-down head and supporting plate
There is not mutual corresponding pore 18 up and down, there is closed gas chamber 26 in the lower part of supporting plate, gas vent 27 is provided on the side wall of gas chamber.
The Pore Pressure loading device includes (built-in gas) gas cylinder 1, standard can 10 and vacuum pump 7, the height
Air bottle by main pipe rail and three bye-passes respectively with vacuum pump, standard can and (in true triaxial adsorption-desorption device) piston
On pore connect；Main pipe rail is equipped with No. 1 needle valve 3, pressure reducing valve 2 and No. 1 pressure gauge 4；On the bye-pass for connecting vacuum pump
Equipped with No. 2 needle valves 5 and vacuum meter 6；The bye-pass for connecting standard can is equipped with No. 3 needle valves 9；Connect the branch of the pore of piston
Pipeline is equipped with No. 4 needle valves 11 and No. 2 pressure gauges 12.
The stress loading device includes (using water as medium) hydraulic test pump 17, and hydraulic test pump divides two-way to be inhaled with the true triaxial
Attached desorption apparatus connects, wherein can be applied all the way to the piston by the trepanning on upper cap nut in true triaxial adsorption-desorption device
Axial compressive force, another way, which can apply test specimen by the trepanning on true triaxial adsorption-desorption device middle sleeve side wall, encloses to pressure,
Two-way is connected to the needle valve (being not marked in figure) that No. 1 vacuum tank 15 and No. 2 vacuum tanks 16, control pipers are opened respectively and pressure measurement is used
No. 3 pressure gauges 13 and No. 4 pressure gauges 14.
The standard can and true triaxial adsorption-desorption device are placed in the insulating box 8.
The draining gas collecting apparatus includes sink 30 and lower end is placed in the graduated cylinder 29 in sink, and graduated cylinder passes through pipeline and No. 5
Needle valve 28 connects with the gas vent 27 in the true triaxial adsorption-desorption device on the gas chamber sidewall of supporting plate lower part.
The temperature measurement system includes being attached to the temperature sensor (not shown) of surface of test piece, sensor by conducting wire with
Recording instrument without paper 31 is connected, and recording instrument without paper is connected with computer 32.
It should be noted that device and method provided by the invention cannot be only used for coal petrography adsorption-desorption gas process medium temperature
Spend evolution Feature experiment, it can also be used to which the measurement of temperature change during shale adsorption-desorption methane, the latter is also the present invention's
Within protection domain.
Claims (2)
1. Temperature Evolution token test device during coal petrography adsorption-desorption gas, which is characterized in that adsorb and solve including true triaxial
Inhale device, Pore Pressure loading device, stress loading device, insulating box (8), draining gas collecting apparatus and temperature measurement system；
The true triaxial adsorption-desorption device includes sleeve (21), the upper cap nut being connect with sleeve threaded upper ends (20), with sleeve
The lower nut (24) of lower thread connection, the piston being slidably connected with upper cap nut inner wall sealing (19) are placed in sleeve for clamping
The seaming chuck (22) and push-down head (23) of test specimen (33), seaming chuck apply pressure by the piston to test specimen, and push-down head is fixed
On the supporting plate (25) being connect by the lower screw cap closures with sleeve lower end, along piston, seaming chuck, push-down head and supporting plate
It is central axial have respectively up and down mutual corresponding pore (18), closed gas chamber (26), the side wall of gas chamber are arranged at the lower part of supporting plate
On be provided with gas vent (27)；
The Pore Pressure loading device includes that gas cylinder (1), standard can (10) and vacuum pump (7), the gas cylinder pass through
Main pipe rail and three bye-passes connect with the pore on vacuum pump, standard can and piston respectively；Main pipe rail is equipped with No. 1 needle valve
(3), pressure reducing valve (2) and No. 1 pressure gauge (4)；The bye-pass for connecting vacuum pump is equipped with No. 2 needle valves (5) and vacuum meter (6)；
The bye-pass for connecting standard can is equipped with No. 3 needle valves (9)；The bye-pass for connecting the pore of piston is equipped with No. 4 needle valves
(11) and No. 2 pressure gauges (12)；
The stress loading device includes hydraulic test pump (17), hydraulic test pump divide two-way respectively with the true triaxial adsorption-desorption device phase
It connects, wherein axial compressive force can be applied to the piston, separately by the trepanning on upper cap nut in true triaxial adsorption-desorption device all the way
Test specimen can be applied by the trepanning on true triaxial adsorption-desorption device middle sleeve side wall all the way and be enclosed to pressure, two-way is connected to respectively
The needle valve and pressure measurement pressure gauge (13,14) that vacuum tank (15,16) and control piper are opened；
The standard can and true triaxial adsorption-desorption device are placed in the insulating box；
The draining gas collecting apparatus includes sink (30) and lower end is placed in the graduated cylinder (29) in sink, and graduated cylinder passes through pipeline and No. 5
Needle valve (28) connects with the gas vent (27) in the true triaxial adsorption-desorption device on the gas chamber sidewall of supporting plate lower part；
The temperature measurement system includes being attached to the temperature sensor of surface of test piece, and sensor passes through conducting wire and recording instrument without paper
(31) it is connected, recording instrument without paper is connected with computer (32).
2. carrying out coal petrography absorption using Temperature Evolution token test device during coal petrography adsorption-desorption gas described in claim 1
The test method of Temperature Evolution feature during desorption gas, which is characterized in that include the following steps：
Step 1 prepares test specimen
Make standard original coal rock specimen with Rock and coal cutting mechanism, test specimen is sealed, it is spare；
Step 2, no-load test device Leakage Test
(1) Pore Pressure loading device air tight test：Close the bye-pass that connects with vacuum pump, open and standard can and piston on
The bye-pass that connects of pore；No. 1 needle valve, pressure reducing valve on main pipe rail are opened, adjusting pressure reducing valve makes the reading of No. 1 pressure gauge
It for setting value, continues for some time, it is good that No. 1 pressure gauge registration stablizes then Pore Pressure loading device air-tightness；
(2) stress loading device Leakage Test：All needle valves for opening two road of hydraulic test pump, are answered from hydraulic test pump to true triaxial
Force loading device applies setting pressure, continues for some time, and the pressure gauge registration of two roads is stablized then stress loading device and sealed
Property is good；
Step 3, installation test specimen
(1) temperature sensor is pasted onto to the surface of test piece of step 1 with High temperature-resistanadhesive adhesive tape；
(2) test specimen is placed between the seaming chuck and push-down head of true triaxial stress loading device, while with heat-shrinkable T bush by test specimen
It is wrapped up with upper push-down head；
(3) temperature sensor is connect with recording instrument without paper by the pore and gas chamber of push-down head with conducting wire, recording instrument without paper with
Computer connects；
Step 4 carries out Temperature Evolution experiment during coal petrography adsorption-desorption gas under isoperibol
(1) calorstat temperature is adjusted to set temperature value；
(2) axis pressure and confining pressure are applied to test specimen by hydraulic test pump；
(3) gas cylinder is closed, vacuum pump is opened, to carrying out vacuum outgas to hole pressure loading device；
(4) gas adsorption experiment is carried out：The bye-pass to connect with the pore on piston and draining gas collecting apparatus are closed, high pressure is opened
Gas cylinder adjusts pressure reducing valve, the gas of certain pressure is passed through from gas cylinder to standard can, after No. 1 pressure gauge reading is stablized, closes
Close gas cylinder, open the bye-pass to connect with the pore on piston, from standard can by piston and seaming chuck to test specimen gas injection,
Test specimen adsorption gas, persistently adsorbs certain time, and the changing value of test specimen temperature in adsorption process is monitored with temperature measurement system, inhales
After attached, the bye-pass to connect with the pore on piston is closed, gas cylinder is reopened, increased with the barometric gradient of setting
It is passed through the gas pressure of standard can, then repeats above-mentioned adsorption process, until reach preset standard can gas pressure value,
Monitor the lift-off value of test specimen temperature in each adsorption process；
(5) desorption of mash gas experiment is carried out：The bye-pass to connect with the pore on piston is closed, draining gas collecting apparatus, test specimen are opened
Gas is desorbed, makes the gas pressure in true triaxial adsorption-desorption device by the identical pressure with absorption by observing No. 2 pressure gauges
Gradient reduces, and is then shut off draining gas collecting apparatus, persistently desorbs certain time, monitors the variation of test specimen temperature in desorption process
Value；Pressing force gradient repeats desorption experiment, until No. 2 pressure gauge readings are zero, monitors test specimen temperature in each desorption process
The decreasing value of degree；
Step 5, by computer by during to the environment temperature of acquisition, stress, gas pressure and coal petrography adsorption-desorption gas
Test specimen temperature change value is analyzed, and the coal petrography absorption solution under varying environment temperature, stress and gas pressure comprehensive condition is obtained
The Evolution of temperature, the reference frame as prediction getting working face coal petrography and Gas Outburst during suction gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487872.3A CN108760802A (en) | 2018-05-21 | 2018-05-21 | Temperature Evolution token test device and method during coal petrography adsorption-desorption gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487872.3A CN108760802A (en) | 2018-05-21 | 2018-05-21 | Temperature Evolution token test device and method during coal petrography adsorption-desorption gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108760802A true CN108760802A (en) | 2018-11-06 |
Family
ID=64008617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810487872.3A Pending CN108760802A (en) | 2018-05-21 | 2018-05-21 | Temperature Evolution token test device and method during coal petrography adsorption-desorption gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108760802A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752406A (en) * | 2019-01-24 | 2019-05-14 | 中国石油大学(北京) | The measuring device of hypotonic tight rock specific heat capacity parameter |
| CN110082277A (en) * | 2019-05-28 | 2019-08-02 | 辽宁工程技术大学 | It is a kind of can periodic perturbation three axis multiphase porous flow experimental rig of coal petrography and test method |
| CN110082497A (en) * | 2019-05-24 | 2019-08-02 | 华北科技学院 | A kind of three axis coal sample model experiment methods |
| CN111521516A (en) * | 2019-12-11 | 2020-08-11 | 南通市飞宇石油科技开发有限公司 | Coal body gas adsorption and strain test system |
| CN112432881A (en) * | 2020-03-02 | 2021-03-02 | 辽宁工程技术大学 | Gas pore pressure monitoring device bearing axial fixing point in gas-containing coal body |
| CN112504544A (en) * | 2020-09-01 | 2021-03-16 | 西安石油大学 | Device and method for measuring continuous pore pressure distribution and method for quantitatively evaluating tensile stress |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576518A (en) * | 2009-06-17 | 2009-11-11 | 中国科学院广州能源研究所 | Experimental device for evaporation, absorption and mass transferring of falling film of vertical tube |
| CN202502025U (en) * | 2012-02-29 | 2012-10-24 | 中国矿业大学(北京) | Device for high pressure isothermal absorption experiment of coal |
| CN102830213A (en) * | 2012-08-10 | 2012-12-19 | 河南理工大学 | Adsorption-desorption-seepage experiment system for loaded coal containing gas under condition of varying temperatures |
| CN203053811U (en) * | 2013-01-28 | 2013-07-10 | 中国石油大学(华东) | Isothermal adsorption/desorption experimental device for danks |
| CN104749505A (en) * | 2015-03-30 | 2015-07-01 | 西南交通大学 | Traction transformer winding temperature rise and oil flow speed relevance testing method |
| CN104792815A (en) * | 2015-04-20 | 2015-07-22 | 信阳天意节能技术股份有限公司 | Phase-change temperature-adjusting construction material detector and detection method thereof |
| CN105758763A (en) * | 2016-02-29 | 2016-07-13 | 辽宁工程技术大学 | Multifunctional coal adsorption/desorption gas parameter determination testing device and method |
| 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 |
| 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 |
| CN107101907A (en) * | 2017-06-19 | 2017-08-29 | 辽宁工程技术大学 | A kind of excitation of electromagnetic wave Unconventional gas seepage experimental apparatus |
-
2018
- 2018-05-21 CN CN201810487872.3A patent/CN108760802A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576518A (en) * | 2009-06-17 | 2009-11-11 | 中国科学院广州能源研究所 | Experimental device for evaporation, absorption and mass transferring of falling film of vertical tube |
| CN202502025U (en) * | 2012-02-29 | 2012-10-24 | 中国矿业大学(北京) | Device for high pressure isothermal absorption experiment of coal |
| CN102830213A (en) * | 2012-08-10 | 2012-12-19 | 河南理工大学 | Adsorption-desorption-seepage experiment system for loaded coal containing gas under condition of varying temperatures |
| CN203053811U (en) * | 2013-01-28 | 2013-07-10 | 中国石油大学(华东) | Isothermal adsorption/desorption experimental device for danks |
| CN104749505A (en) * | 2015-03-30 | 2015-07-01 | 西南交通大学 | Traction transformer winding temperature rise and oil flow speed relevance testing method |
| CN104792815A (en) * | 2015-04-20 | 2015-07-22 | 信阳天意节能技术股份有限公司 | Phase-change temperature-adjusting construction material detector and detection method thereof |
| CN105758763A (en) * | 2016-02-29 | 2016-07-13 | 辽宁工程技术大学 | Multifunctional coal adsorption/desorption gas parameter determination testing device and method |
| 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 |
| 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 |
| CN107101907A (en) * | 2017-06-19 | 2017-08-29 | 辽宁工程技术大学 | A kind of excitation of electromagnetic wave Unconventional gas seepage experimental apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752406A (en) * | 2019-01-24 | 2019-05-14 | 中国石油大学(北京) | The measuring device of hypotonic tight rock specific heat capacity parameter |
| CN110082497A (en) * | 2019-05-24 | 2019-08-02 | 华北科技学院 | A kind of three axis coal sample model experiment methods |
| CN110082277A (en) * | 2019-05-28 | 2019-08-02 | 辽宁工程技术大学 | It is a kind of can periodic perturbation three axis multiphase porous flow experimental rig of coal petrography and test method |
| CN110082277B (en) * | 2019-05-28 | 2021-05-18 | 辽宁工程技术大学 | Coal rock triaxial multiphase seepage test device capable of periodically disturbing and test method |
| CN111521516A (en) * | 2019-12-11 | 2020-08-11 | 南通市飞宇石油科技开发有限公司 | Coal body gas adsorption and strain test system |
| CN112432881A (en) * | 2020-03-02 | 2021-03-02 | 辽宁工程技术大学 | Gas pore pressure monitoring device bearing axial fixing point in gas-containing coal body |
| CN112504544A (en) * | 2020-09-01 | 2021-03-16 | 西安石油大学 | Device and method for measuring continuous pore pressure distribution and method for quantitatively evaluating tensile stress |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108760802A (en) | Temperature Evolution token test device and method during coal petrography adsorption-desorption gas | |
| CN205138940U (en) | Test coal body gas adsorbs desorption heat effect experimental system | |
| CN206192785U (en) | Native seepage flow of saturation and creep coupling triaxial test device | |
| CN104390883A (en) | Novel adsorption and desorption experiment device and novel adsorption and desorption experiment method | |
| CN204649538U (en) | Rock three axle acoustic emission experiment device under a kind of confined pressure, hole press strip part | |
| CN104729948A (en) | Water-gas two-phase percolation experimental system and method of gas-containing coal | |
| Hou et al. | Experimental research into the effect of gas pressure, particle size and nozzle area on initial gas-release energy during gas desorption | |
| WO2011009287A1 (en) | System and method for testing gas migration process in coal and rock mass | |
| CN102147348B (en) | Device and method for measuring gas permeation in coal | |
| CN105738220B (en) | Consider the section of jurisdiction elastic sealing gasket waterproof test method that the soil body influences | |
| CN106093345A (en) | A kind of simulation CO2the method of displacement displacement shale pneumatic state process | |
| CN108458962A (en) | A kind of device and method for testing Permeability Oe Coal And Porous Rock And Fractured Rock | |
| CN102607991A (en) | Coal/shale adsorption capacity measuring device | |
| CN103983302A (en) | Coal seam gas adsorption and desorption deformation and deformation force dynamic test system | |
| CN205384199U (en) | Desorption experimental apparatus is adsorbed to coal bed gas | |
| Fan et al. | Laboratory investigation of coal deformation behavior and its influence on permeability evolution during methane displacement by CO 2 | |
| CN110348590A (en) | A kind of shale adsorbed gas content calculation method | |
| CN107703023A (en) | A kind of surface drilling coal core modeled pressure drop desorption apparatus and test device and method | |
| CN109709017A (en) | A kind of rock fracture high pressure gas adsorption tester device and its test method | |
| CN112945827A (en) | Rock dynamic physical property measuring system | |
| CN208433157U (en) | A kind of shale gas reservoir exploitation novel analog experimental provision | |
| CN113686750A (en) | Coal measure stratum composite phase state CO2Seepage characteristic test device and application | |
| CN208043584U (en) | A kind of coal petrography gas adsorption desorption simulation test device | |
| CN202442934U (en) | Coal/shale adsorption capacity measuring device | |
| Wu et al. | A radial differential pressure decay method with micro-plug samples for determining the apparent permeability of shale matrix |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
|
| RJ01 | Rejection of invention patent application after publication |