CN107817202A - Rock mass characteristic Experiment Parameter device and application method under microwave radiation - Google Patents
Rock mass characteristic Experiment Parameter device and application method under microwave radiation Download PDFInfo
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- CN107817202A CN107817202A CN201710992219.8A CN201710992219A CN107817202A CN 107817202 A CN107817202 A CN 107817202A CN 201710992219 A CN201710992219 A CN 201710992219A CN 107817202 A CN107817202 A CN 107817202A
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- 239000011435 rock Substances 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000002474 experimental method Methods 0.000 title claims description 21
- 230000005855 radiation Effects 0.000 title claims description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 57
- 239000007789 gas Substances 0.000 claims description 55
- 210000004907 gland Anatomy 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000009529 body temperature measurement Methods 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 6
- 230000035699 permeability Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/0866—Sorption
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of experimental provision for measuring rock mass characteristic Parameters variation after microwave heats, the present invention heats caused microwave action in rock sample, compared with prior art, absorption, seepage flow and the deformation data for the rock sample that can not only be tested under conventional environment, absorption, seepage flow and the deformation data of the sample that can also test under microwave in-situ heating condition.The experimental study of microwave heat effect rock sample under three axle confined pressure environment can be realized, there is the multi-functional and characteristic of multi- scenarios method.The application method of the experimental provision of the present invention, it is simple to operate.
Description
Technical field
The present invention relates to a kind of experimental provision that rock mass is heated using microwave radiation, after one kind measurement heating
The experimental provision of rock materiality Parameters variation.
Background technology
Unconventional gas exploitation is the study hotspot of current energy field, but because the characteristic of reservoir itself causes
Penetrating power is generally relatively low, causes extraction difficult.The conventional measures such as hydraulic fracturing are by destroying reservoir rock mass structure, increase drilling
Coverage realizes the anti-reflection purpose of reservoir, but less effective.Microwave in-situ heating reservoir promotes Unconventional gas exploitation
It is to work as the novel technological means of former, but is still in the laboratory research stage at present, and lacks related experiment device with auxiliary
The development of research work is helped, it is real-time under microwave field can especially to study the parameters such as seepage flow, absorption and the deformation of rock mass materials
The experimental provision of changing rule.
The content of the invention
In view of this, it is an object of the invention to provide a kind of seepage flow for being capable of real-time monitored rock mass materials, absorption, deformation
Etc. the experimental provision of changing rule of the parameter under microwave field, to promote the development that correlative study works.
In order to reach above-mentioned purpose, the technical scheme is that：
Rock mass characteristic Experiment Parameter device under a kind of microwave radiation, including core holding unit, microwave source, gas bomb and vacuum
Pump, the core holding unit built with rock sample, the microwave source by waveguide junction circulator inserting of microwave in the core holding unit,
The core holding unit offers confined pressure air admission hole and axle is pressed into stomata, and the vavuum pump is connected by exhaust pipe to be connected to
The axle is pressed into stomata, and the gas bomb is connected by confined pressure supply air line is connected to the confined pressure air admission hole, and the storage
Gas cylinder presses supply air line to be connected and is connected to the axle and is pressed into stomata, the exhaust pipe, the confined pressure supply air line by axle
The pressure for being equipped with supply air line and being easy to the valve of Decompression Controlling and being easy to observe respective line gas pressure is pressed with the axle
Table, the displacement transducer for measuring the rock sample deformation quantity is equiped between the rock sample and the core holding unit, it is described
The temperature measuring equipment of the temperature for measuring the rock sample is equiped with core holding unit；
The core holding unit includes the internal cylinder for column core chamber, and the rock sample is installed in the column rock core
Room, the shapes and sizes of the rock sample match with the column core chamber, the bottom of the rock sample and the bottom of the cylinder
Pad is provided with lower gasket between portion, and the top closure of the rock sample has the gland for pressurization, top and the pressure of the rock sample
Pad is provided with Upper gasket between lid.
The gas bomb is connected with multiway valve to be connected, one end of the multiway valve and the confined pressure supply air line and
One end of the axle pressure supply air line, which is respectively connected with leading to, to be connect；
The other end of the axle pressure supply air line is branched into two branch roads, respectively upstream supply branch road and downstream supply branch
Road, is provided with differential pressure pickup between upstream supply branch road and downstream supply branch road, the differential pressure pickup respectively with
Upstream supply branch road and the downstream supply branch road and are connected connection by pipeline, and the Upper gasket and the lower gasket are equal
Offer it is a plurality of be uniformly distributed and the hole of up/down perforation, the confined pressure air admission hole runs through the cylinder located at the core holding unit
In the side wall of body, the confined pressure air admission hole matches with the confined pressure supply air line, the other end pair of the confined pressure supply air line
The confined pressure air admission hole should be penetrated, and is connected and is connected to the column core chamber of the core holding unit；
The axle, which is pressed into stomata, includes upper through hole and lower through-hole, and the upper through hole is on the gland, the lower through-hole
Located at the bottom of the cylinder, shapes and sizes and the upstream supply branch road of the upper through hole match, the lower through-hole
Shapes and sizes and the downstream supply branch road match, one end of the upstream supply branch road and downstream supply branch road
Positioned at the crotch of axle pressure supply air line, the other end of the upstream supply branch road correspondingly penetrates the upper through hole, and phase
It is connected to the column core chamber of the core holding unit, the other end of the downstream supply branch road correspondingly penetrates described lower logical
Hole, and be connected and be connected to the column core chamber of the core holding unit.
The waveguide junction circulator has waveguide and the circulator being arranged on the waveguide, and the circulator is externally provided with logical
Cross that supply channel is coupled to lead to the cooling water source connect.
The temperature measuring equipment, displacement transducer and the pressure sensor pass through data conductor and data collecting instrument respectively
Input is electrically connected, and the output end of the data collecting instrument is electrically connected by another data conductor with computer.
The temperature measuring equipment uses infrared temperature measurement apparatus, and the side wall of the cylinder of the core holding unit offers thermometric and led to
Hole, the infrared temperature measurement apparatus are set corresponding to the thermometric through hole.
The multiway valve is six-way valve, and the gas bomb includes being connected to the He gas storage of the six-way valve
Bottle, CH4 gas bombs, N2 gas bombs and CO2 gas bombs.
The side wall of the cylinder of the core holding unit has an inserting of microwave portion, and the inserting of microwave portion is glass material, institute
The output end for stating waveguide relative with the inserting of microwave portion connects.
The application method of rock mass characteristic Experiment Parameter device under a kind of microwave radiation of the present invention, using under above-mentioned microwave radiation
Rock mass characteristic Experiment Parameter device, comprises the following steps：
(1) displacement transducer is fixed on the lateral wall of rock sample, opens gland, take out Upper gasket, lower gasket is layed in
The bottom of the column core chamber of core holding unit, rock sample is put into the column core chamber of core holding unit, then in rock sample
Upper gasket is put on top, further, gland is covered and tightens gland；
(2) valve on exhaust pipe is opened, then starts vavuum pump, the column core chamber of core holding unit is taken out very
Sky, vacuum are observed by pressure vacuum gauge, after the column core chamber of core holding unit reaches vacuum, close vavuum pump；
(3) valve on axle pressure supply air line is opened, the gases at high pressure of gas bomb enter rock core via confined pressure supply air line
The column core chamber of clamper, confined pressure being applied to rock sample, pressure value is read by confined pressure pressure gauge, after pressure value stabilization,
Valve on closing axle pressure supply air line；
(4) upstream measuring pump and downstream measuring pump are disposed as constant pressure mode, the pressure of upstream measuring pump is higher than
The pressure of downstream measuring pump, record the difference of the pressure of upstream measuring pump and downstream measuring pump；
(5) air intake valve of upstream measuring pump and the air intake valve of downstream measuring pump on axle pressure supply air line are opened, to
Upstream measuring pump and downstream measuring pump are filled with gas, record gas volume reading in upstream measuring pump and downstream measuring pump respectively,
Then the outlet valve of upstream measuring pump and the outlet valve of downstream measuring pump are separately turned on, to the column rock core of core holding unit
Gas is injected in room, and then injects gas to rock sample, when the difference reading of differential pressure pickup no longer changes, rock sample adsorption equilibrium,
Obtain absorption, seepage flow, deformation data under rock sample normal temperature；
(6) by the pressure of the pressure of upstream measuring pump and downstream measuring pump be arranged to numerical value；
(7) water pump and microwave source are opened, rock sample is heated, infrared temperature measurement apparatus is by thermometric through hole to rock sample temperature
Detected, after the temperature of rock sample reaches desired value, stop heating, the deformation data of rock sample is read by displacement transducer；
(8) when the reading of differential pressure pickup no longer changes, metering Pump data, the absorption of the rock sample after being heated are read
Amount；
(9) pressure of upstream measuring pump sets the pressure higher than downstream measuring pump, difference and the upstream measuring pump in step 4
As the difference of the pressure of downstream measuring pump, when the reading of differential pressure pickup no longer changes, metering Pump data is read, is obtained
The permeability data of rock sample after heating.
Also comprise the following steps：
(10) temperature is again heated to by microwave source and reaches another desired value, repeat step 7, step 8 and step 9, obtained
Absorption, deformation and the permeability data of the temperature spot.
After adopting the above technical scheme, rock mass characteristic Experiment Parameter device under a kind of microwave radiation of the present invention, with existing skill
Art is compared, absorption, seepage flow and the deformation data of the rock sample that can not only be tested under conventional environment, can also test microwave in-situ heating
Under the conditions of sample absorption, seepage flow and deformation data.Rock sample realizes that In Situ Heating is tested, and the data error surveyed is small, experiment
Data are accurate.In addition, the present invention can realize the experimental study of microwave heat effect rock sample under three axle confined pressure environment, having can be with
Test the multi-functional of many kinds of parameters, it is possible to achieve the characteristic of the mutual multi- scenarios method such as temperature, stress field, seepage field.
The application method of rock mass characteristic Experiment Parameter device, simple to operate under a kind of microwave radiation of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：
1 --- microwave source, 2 --- circulator, 3 --- waveguide, 4 --- bucket, 5 --- water pump, 6 --- rock core clamps
Device, 7 --- lower gasket, 8 --- glass, 9 --- Upper gasket, 10 --- gland, 11 --- thermometer hole, 12 --- infrared measurement of temperature fills
Put, 13 --- displacement transducer, 14 --- valve, 15 --- crosspointer pressure gauge, 16 --- outlet valve, 17 --- intake valve
Door, 18 --- valve, 19 --- differential pressure pickup, 20 --- upstream measuring pump, 21 --- outlet valve, 22 --- intake valve
Door, 23 --- pressure vacuum gauge, 24 --- valve, 25 --- valve, 26 --- downstream measuring pump, 27 --- vavuum pump,
28 --- six-way valve, 29 --- valve, 30 --- valve, 31 --- confined pressure pressure gauge, 32 --- the firm bottle of gas, 33 --- data
Acquisition Instrument, 34 --- computer, 35 --- rock sample, 36 --- confined pressure air admission hole, 37 --- axle is pressed into stomata.
Embodiment
In order to which technical scheme is explained further, the present invention is explained in detail below by specific embodiment
State.
Rock mass characteristic Experiment Parameter device under a kind of microwave radiation of the present invention, as shown in figure 1, including core holding unit 6, micro-
Wave source 1, gas bomb 32 and vavuum pump 27, core holding unit 6 is built with rock sample 35, and microwave source 1 is by waveguide junction circulator by microwave
Access in core holding unit 6, core holding unit 6 offers confined pressure air admission hole 36 and axle is pressed into stomata 37, and vavuum pump 27 is by taking out
Air pipe, which is connected, to be connected to axle and is pressed into stomata 37, and gas bomb 32 is connected by confined pressure supply air line is connected to confined pressure air admission hole
36, and gas bomb 32 presses supply air line to be connected to be connected to axle and be pressed into stomata 37 by axle, exhaust pipe, confined pressure supply air line and
The valve for being easy to Decompression Controlling is equipped with axle pressure supply air line and is easy to observe the pressure gauge of respective line gas pressure.Specifically
Ground, confined pressure supply air line are provided with valve 30 and confined pressure pressure gauge 31.One end of axle pressure supply air line is provided with valve 29, valve 29
Close to the position of following multiway valves on confined pressure supply air line.
The displacement transducer 13 for measuring the deformation quantity of rock sample 35, rock core are equiped between rock sample 35 and core holding unit 6
The temperature measuring equipment of the temperature for measuring rock sample 35 is equiped with clamper 6, core holding unit 6 is column core chamber including inside
Cylinder, rock sample 35 is installed in the column core chamber, and the shapes and sizes of rock sample 35 match with the column core chamber.
In the present embodiment, rock sample 35 is cylindric.Pad is provided with lower gasket 7, rock sample between the bottom of rock sample 35 and the bottom of the cylinder
35 top closure has the gland 10 for pressurization, and pad is provided with Upper gasket 9 between the top of rock sample 35 and gland 10.
Upper gasket 9 and lower gasket 7 offer a plurality of be uniformly distributed and along the axial direction of the rock pillar shape core chamber
The hole of up/down perforation.Confined pressure air admission hole 36 enters in the side wall of the cylinder of core holding unit 6 through side wall, confined pressure
The shape of stomata 36 and aperture match with the confined pressure supply air line.Axle, which is pressed into stomata 37, includes upper through hole and lower through-hole, institute
Through hole is stated on the gland 10, the lower through-hole located at the bottom of the cylinder of core holding unit 6, the shape of the upper through hole and
Aperture matches with following upstreams supply branch road, and the shape of the lower through-hole and aperture match with following downstreams supply branch road.
The upper through hole is connected by the hole of Upper gasket 9 with the column core chamber, the hole that the lower through-hole passes through lower gasket 7
It is connected with the column core chamber.
Gas bomb 32 is connected with multiway valve to be connected.In the present embodiment, multiway valve uses six-way valve.Gas bomb 32
He gas bombs including being connected to the six-way valve, CH4 gas bombs, N2 gas bombs and CO2 gas bombs.In addition, six is logical
One end of valve and one end of the confined pressure supply air line and axle pressure supply air line, which is respectively connected with leading to, to be connect, and the confined pressure supplies
The other end of air pipe correspondingly penetrates confined pressure air admission hole 36, and is connected and is connected to the column core chamber of core holding unit 6；It is described
The other end of axle pressure supply air line is branched into two branch roads, respectively upstream supply branch road and downstream supply branch road, upstream supply branch
Road and one end of downstream supply branch road are the crotch of axle pressure supply air line, and the other end of the upstream supply branch road correspondingly penetrates
Above-mentioned upper through hole, and be connected and be connected to the column core chamber of core holding unit 6, the other end of the downstream supply branch road is corresponding
Above-mentioned lower through-hole is penetrated, and is connected and is connected to the column core chamber of core holding unit 6.
Upstream measuring pump 20, crosspointer pressure gauge 15 and valve 14, crosspointer pressure gauge 15 are sequentially provided with the supply branch road of upstream
Positioned at the middle part of upstream supply branch road, upstream measuring pump 20 is between valve 29 and valve 14.It is located on the supply branch road of upstream
Two side positions close to upstream measuring pump 20 are correspondingly provided with air intake valve 17 and outlet valve 16.Downstream supply branch road is provided with down
Measuring pump 26 and valve 24 are swum, downstream measuring pump 26 is between valve 29 and valve 24.It is located close on the supply branch road of downstream
Two side positions of downstream measuring pump 26 are correspondingly provided with air intake valve 22 and outlet valve 21.Upstream supply branch road with it is described under
Differential pressure pickup 19 is provided between trip supply branch road.Branch road is supplied with the upstream respectively for differential pressure pickup 19 and the downstream supplies
Gas branch road is connected connection, and differential pressure pickup 19 and the 15 corresponding connection of crosspointer pressure gauge by pipeline.Differential pressure pickup 19
It is easy to measure the pressure difference between upstream supply branch road and downstream supply branch road, crosspointer pressure gauge 15 is used to show the upstream simultaneously
Supply the pressure of branch road and the pressure of downstream supply branch road.
Vavuum pump 27 is connected with vacuum tube, and the vacuum tube supplies branch road and downstream supply branch road with the upstream respectively
Be connected connection, so between vavuum pump 27 and the upper through hole be connected pipeline formed an exhaust pipe, vavuum pump 27 with
The pipeline that is connected between the lower through-hole forms another exhaust pipe.Vacuum tube is provided with valve 25 and valve 18, valve 25
Close to the position of pressure vacuum gauge 23 on the vacuum tube, valve 18 is located on the vacuum tube to be supplied positioned at the upstream
Position between branch road and downstream supply branch road.
Further, the waveguide junction circulator has waveguide 3 and the circulator 2 being arranged on waveguide 3, circulator 2
It is externally provided with and leads to the cooling water source connect by the way that supply channel is coupled.Supply channel is provided with water pump 5, and cooling water source is loaded on water
In bucket 4.In addition, the side wall of the cylinder of core holding unit 6 has an inserting of microwave portion 8, inserting of microwave portion 8 is glass material, waveguide
The output end of pipe 3 is relative with inserting of microwave portion 8 to be connect.
Further, above-mentioned temperature measuring equipment uses infrared temperature measurement apparatus 12, and the side wall of the cylinder of core holding unit 6 offers
Thermometric through hole 11, infrared temperature measurement apparatus 12 are set corresponding to thermometric through hole 11.Infrared temperature measurement apparatus 12, displacement transducer 13 and pressure
Propagated sensation sensor 19 is electrically connected by data conductor and the input of the data collecting instrument 33 outside core holding unit 6 respectively, number
It is electrically connected according to the output end of Acquisition Instrument 33 by another data conductor with computer, is easy to the reading of experimental data to show.
The application method of rock mass characteristic Experiment Parameter device, comprises the following steps under a kind of microwave radiation of the present invention：
(1) not place the core holding unit 6 of rock sample 35 as original state, and under original state, with the phase of core holding unit 6
Valve on the pipeline of connection is closed mode, displacement transducer 13 is fixed on the lateral wall of rock sample 35, opens gland
10, Upper gasket 9 is taken out, lower gasket is layed in the bottom of the column core chamber of core holding unit 6, and rock sample 35 is put into rock core clamping
In the column core chamber of device 6, Upper gasket 9 is then put on the top of rock sample 35, further, gland 10 is covered and tightens pressure
Lid 10；
(2) check valve 18 is closed, Open valve 24 and valve 25, then starts vavuum pump 27, to rock core
The column core chamber of clamper 6 is vacuumized, and vacuum is observed by pressure vacuum gauge 23, and the column core chamber of core holding unit 6 reaches
To after vacuum, valve 24 and valve 25 are first closed, is then shut off vavuum pump 27；
(3) valve 30 of the gas bomb 32 needed for opening corresponding to gas, the gases at high pressure of gas bomb 32 are supplied by confined pressure
Pipeline enters the column core chamber of core holding unit 6, applies confined pressure to rock sample 35, pressure value is read by confined pressure pressure gauge 31
Take, treat pressure value stabilization, that is, after maintaining pressure value 5min constant, close valve 30；
(4) upstream measuring pump 20 and downstream measuring pump 26 are disposed as constant pressure mode, the pressure of upstream measuring pump 20
The slightly above pressure of downstream measuring pump 26, difference are about 0.1MPa, and record this difference, it is necessary to explanation, institute of the present invention
Measuring pump is to buy the high-pressure and high-precision plunger pump from TeledyneIsco companies of the U.S., MODEL 500D；
(5) Open valve 29, air intake valve 22 and air intake valve 17, upstream measuring pump 20 and downstream measuring pump 26 are filled with
Gas, gas volume reading in upstream measuring pump 20 and downstream measuring pump 26 is recorded respectively, is then separately turned on outlet valve 16
With outlet valve 21, gas is injected to the column core chamber of core holding unit 6, and then gas is injected to rock sample 35, treats that pressure difference passes
When the difference reading of sensor 19 no longer changes, the adsorption equilibrium of rock sample 35, absorption, seepage flow, deformation data under the normal temperature of rock sample 35 are obtained；
Adsorbance calculates：
In formula：A-adsorbance；
POnMeasure pump pressure in-upstream；
VIt is upper first--- upstream measuring pump initial volume；
VOn--- measure pump volume in upstream；
PUnder--- measure pump pressure in downstream；
VAt the beginning of lower--- downstream measuring pump initial volume；
VUnder--- measure pump volume in downstream.
Infiltration coefficient calculates：
In formula：K-infiltration coefficient；
Q --- metering pump piston fltting speed；
μ --- gas viscosity coefficient；
L --- specimen length；
S --- specimen cross sectional area.
(6) by the pressure of the pressure of upstream measuring pump 20 and downstream measuring pump 26 be arranged to numerical value；
(7) water pump 5 and microwave source 1 are opened, rock sample 35 is heated, infrared temperature measurement apparatus 12 is right by thermometric through hole 11
The temperature of rock sample 35 is detected, and after the temperature of rock sample 35 reaches desired value, stops heating, and rock is read by displacement transducer 13
The deformation data of sample 23；
(8) when the reading of differential pressure pickup 19 no longer changes, metering Pump data is read, the rock sample 35 after being heated
Adsorbance；
(9) pressure of upstream measuring pump 20 sets the pressure for being slightly above downstream measuring pump 26, and difference is about 0.1MPa, waits to press
When the reading of gap sensor 19 no longer changes, metering Pump data, the permeability data of the rock sample 35 after being heated are read；
(10) temperature is again heated to by microwave source 1 and reaches another desired value, repeat step 7, step 8 and step 9, obtained
Absorption, deformation and the permeability data of the temperature spot；
Above-described embodiment and accompanying drawing and non-limiting product form of the invention and style, any art it is common
The appropriate change or modification that technical staff is done to it, it all should be regarded as not departing from the patent category of the present invention.
Claims (9)
- A kind of 1. rock mass characteristic Experiment Parameter device under microwave radiation, it is characterised in that：Including core holding unit, microwave source, storage Gas cylinder and vavuum pump, the core holding unit is built with rock sample, and the microwave source is by waveguide junction circulator inserting of microwave in described Core holding unit, the core holding unit offers confined pressure air admission hole and axle is pressed into stomata, and the vavuum pump passes through exhaust pipe It is connected and is connected to the axle and is pressed into stomata, the gas bomb is connected by confined pressure supply air line is connected to the confined pressure air inlet Hole, and the gas bomb presses supply air line to be connected to be connected to the axle and be pressed into stomata by axle, the exhaust pipe, described enclose The valve for being easy to Decompression Controlling is equipped with pressure supply air line and axle pressure supply air line and is easy to observe respective line gas The pressure gauge of pressure, the displacement for measuring the rock sample deformation quantity is equiped between the rock sample and the core holding unit and is passed Sensor, the temperature measuring equipment of the temperature for measuring the rock sample is equiped with the core holding unit；The core holding unit includes the internal cylinder for column core chamber, and the rock sample is installed in the column core chamber, institute The shapes and sizes for stating rock sample match with the column core chamber, between the bottom of the bottom of the rock sample and the cylinder Pad is provided with lower gasket, and the top closure of the rock sample has the gland for pressurization, between the top of the rock sample and the gland Pad is provided with Upper gasket.
- 2. rock mass characteristic Experiment Parameter device under microwave radiation as claimed in claim 1, it is characterised in that：The gas bomb with Multiway valve is connected connection, and the one of the multiway valve and one end of the confined pressure supply air line and axle pressure supply air line End, which is respectively connected with leading to, to be connect；The other end of the axle pressure supply air line is branched into two branch roads, respectively upstream supply branch road and downstream supply branch road, institute State and be provided with differential pressure pickup between upstream supply branch road and downstream supply branch road, the differential pressure pickup respectively with it is described on Trip supply branch road and the downstream supply branch road and are connected connection by pipeline, and the Upper gasket and the lower gasket offer A plurality of to be uniformly distributed and the hole of up/down perforation, the confined pressure air admission hole runs through the side of the cylinder located at the core holding unit On wall, the confined pressure air admission hole matches with the confined pressure supply air line, and the other end of the confined pressure supply air line correspondingly penetrates The confined pressure air admission hole, and be connected and be connected to the column core chamber of the core holding unit；The axle, which is pressed into stomata, includes upper through hole and lower through-hole, and on the gland, the lower through-hole is located at the upper through hole The bottom of the cylinder, shapes and sizes and the upstream supply branch road of the upper through hole match, the shape of the lower through-hole Shape and size match with downstream supply branch road, and one end of the upstream supply branch road and downstream supply branch road is located at The crotch of the axle pressure supply air line, the other end of the upstream supply branch road correspondingly penetrates the upper through hole, and is connected The column core chamber of the core holding unit is connected to, the other end of the downstream supply branch road correspondingly penetrates the lower through-hole, And it is connected and is connected to the column core chamber of the core holding unit.
- 3. rock mass characteristic Experiment Parameter device under microwave radiation as claimed in claim 2, it is characterised in that：The wave guide ring Utensil has waveguide and the circulator being arranged on the waveguide, and the circulator is externally provided with coupled logical by supply channel The cooling water source of connection.
- 4. rock mass characteristic Experiment Parameter device under microwave radiation as claimed in claim 3, it is characterised in that：The thermometric dress Put, displacement transducer and the pressure sensor are electrically connected by the input of data conductor and data collecting instrument respectively, described The output end of data collecting instrument is electrically connected by another data conductor with computer.
- 5. rock mass characteristic Experiment Parameter device under microwave radiation as claimed in claim 4, it is characterised in that：The temperature measuring equipment Using infrared temperature measurement apparatus, the side wall of the cylinder of the core holding unit offers thermometric through hole, the infrared temperature measurement apparatus pair Thermometric through hole described in Ying Yu is set.
- 6. rock mass characteristic Experiment Parameter device under the microwave radiation as described in claim any one of 1-5, it is characterised in that：It is described Multiway valve is six-way valve, and the gas bomb includes the He gas bombs for being connected to the six-way valve, CH4Gas bomb, N2 Gas bomb and CO2Gas bomb.
- 7. rock mass characteristic Experiment Parameter device under microwave radiation as claimed in claim 5, it is characterised in that：The rock core clamping The side wall of the cylinder of device has inserting of microwave portion, and the inserting of microwave portion is glass material, the output end of the waveguide and institute Inserting of microwave portion is stated to connect relatively.
- 8. the application method of rock mass characteristic Experiment Parameter device, uses the claims 7 under a kind of microwave radiation of the present invention Rock mass characteristic Experiment Parameter device, comprises the following steps under microwave radiation：(1) displacement transducer is fixed on the lateral wall of rock sample, opens gland, take out Upper gasket, lower gasket is layed in rock core The bottom of the column core chamber of clamper, rock sample is put into the column core chamber of core holding unit, then at the top of rock sample On be put into Upper gasket, further, cover gland and tighten gland；(2) valve on exhaust pipe is opened, then starts vavuum pump, the column core chamber of core holding unit is vacuumized, very Reciprocal of duty cycle is observed by pressure vacuum gauge, after the column core chamber of core holding unit reaches vacuum, closes vavuum pump；(3) valve on axle pressure supply air line is opened, the gases at high pressure of gas bomb clamp via confined pressure supply air line into rock core The column core chamber of device, confined pressure is applied to rock sample, pressure value is read by confined pressure pressure gauge, after pressure value stabilization, is closed Valve on axle pressure supply air line；(4) upstream measuring pump and downstream measuring pump are disposed as constant pressure mode, the pressure of upstream measuring pump is higher than downstream The pressure of measuring pump, record the difference of the pressure of upstream measuring pump and downstream measuring pump；(5) air intake valve of upstream measuring pump and the air intake valve of downstream measuring pump on axle pressure supply air line are opened, upstream Measuring pump and downstream measuring pump are filled with gas, record gas volume reading in upstream measuring pump and downstream measuring pump respectively, then The outlet valve of upstream measuring pump and the outlet valve of downstream measuring pump are separately turned on, the column core chamber of core holding unit is noted Enter gas, and then gas is injected to rock sample, when the difference reading of differential pressure pickup no longer changes, rock sample adsorption equilibrium, obtain Absorption, seepage flow, deformation data under rock sample normal temperature；(6) by the pressure of the pressure of upstream measuring pump and downstream measuring pump be arranged to numerical value；(7) water pump and microwave source are opened, rock sample is heated, infrared temperature measurement apparatus is carried out by thermometric through hole to rock sample temperature Detection, after the temperature of rock sample reaches desired value, stop heating, the deformation data of rock sample is read by displacement transducer；(8) when the reading of differential pressure pickup no longer changes, metering Pump data, the adsorbance of the rock sample after being heated are read；(9) pressure of upstream measuring pump sets the pressure higher than downstream measuring pump, upstream measuring pump in difference and step 4 and under It is the same to swim the difference of the pressure of measuring pump, when the reading of differential pressure pickup no longer changes, reads metering Pump data, is heated The permeability data of rock sample afterwards.
- 9. the application method of rock mass characteristic Experiment Parameter device under a kind of microwave radiation as claimed in claim 8, in addition to such as Lower step：(10) temperature is again heated to by microwave source and reaches another desired value, repeat step 7, step 8 and step 9, obtain the temperature Spend absorption, deformation and the permeability data of point.
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Application publication date: 20180320 |