CN206114568U - Rock thermophysical parameters test system under high temperature high pressure - Google Patents
Rock thermophysical parameters test system under high temperature high pressure Download PDFInfo
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- CN206114568U CN206114568U CN201621077908.3U CN201621077908U CN206114568U CN 206114568 U CN206114568 U CN 206114568U CN 201621077908 U CN201621077908 U CN 201621077908U CN 206114568 U CN206114568 U CN 206114568U
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Abstract
The utility model provides a rock thermophysical parameters test system under high temperature high pressure, controller and test jar including interconnect, the controller is the MTS controller, the test jar is MTS true triaxial test jar, and the MTS controller passes through shielded wire interconnect with MTS true triaxial test jar, the MTS controller passes through the shielded wire and connects the servo booster in MTS, the servo booster of MTS pass through hydraulic pressure oil pipe connect respectively in MTS true triaxial test jar and MTS hydraulic press. Utilize the utility model discloses but accurate simulation underground deep rock high pressure state, temperature control and collection module can maintain rock sample constancy of temperature, precision measurement rock sample temperature, the deep rock high temperature state in accurate simulation underground, utilize the stable state flat band method to measure rock sample coefficient of heat conductivity simultaneously, system easy operation, the measuring accuracy is high, and the test cycle is short, and it is accurate that thermophysical parameters surveys the result.
Description
Technical field
This utility model is related to rock thermal physical property parameter test system under a kind of High Temperature High Pressure, belongs to ground thermal property test
Field.
Background technology
Energy problem governs the economic development of human society, and the basic road for cracking energy problem is renewable energy
Source.Geothermal energy resources are typical clean reproducible energies, with cleaning, it is sustainable, renewable, the superiority such as can comprehensively utilize,
With huge economic worth.Geothermal energy includes shallow layer geothermal energy and deep geothermal heat energy.Deep geothermal heat refers to that earth deep layer is thousands of
The higher geothermal energy of rice, temperature, deep geothermal heat energy stock number is huge, has a extensive future.In recent years geothermal energy became scientific research
The emphasis of staff's research, the enhancement mode geothermal system (EGS) for especially proposing on the basis of hot dry rock production technique, in recent years
To become the research emphasis in deep geothermal heat field.EGS to be referred to and inject water or other working fluids (such as CO by injection well2Deng)
Underground circulation is carried out, by artificially generated connection fissure zone, fluid is heated by contacting with rock mass, eventually through producing well
Ground is returned to, a closed circuit is formed.EGS is to build geothermal reservoir with engineering measure, from hypotonicity rock mass economically
Produce the artificial geothermal system of a considerable amount of deep layer heat energy.
The key job of enhancement mode geothermal system is exactly that heat is extracted from underground deep layer rock, therefore accurately measures underground
The thermal physical property parameter of deep layer rock has important directive significance to deep geothermal heat exploitation.In general, the heat conduction of same substance
The factors such as coefficient and its structure, density, humidity, temperature, pressure are relevant.Under normal circumstances, the temperature, pressure of same substance compared with
When low, heat conductivity coefficient is less.Conventional rock thermal physical property parameter is measured under normal temperature and pressure, but underground deep layer rock
In a kind of high-temperature high-pressure state, having for thermal physical property parameter now and routine is larger different, therefore the test system is ground
Important researching value is formed with, the utilization to enhancement mode geothermal system has directive function with evaluating.
Existing Rock And Soil thermal physical property parameter test system mainly measures at normal temperatures and pressures superficial layer ground body thermo physical property ginseng
Number, reflection be underground shallow layer rock thermal physical property parameter.The rock formation of enhancement mode geothermal system is in high-temperature high-pressure state,
Space of the High Temperature High Pressure to rock, structure, density important, and then the thermal physical property parameter of rock is had influence on, therefore need
Want rock thermal physical property parameter test system measurement underground deep layer rock thermal physical property parameter under a kind of High Temperature High Pressure.
And there is pressurization or the rock thermal physical property parameter test system of heating function usually to need manually to control hydraulic servo
To pressurize to rock sample, precision is difficult to control to pump, and needs the various data of manual measurement, and increase unavoidable to test job is permitted
Many burdens.
The content of the invention
In order to solve the deficiencies in the prior art, this utility model provides rock thermal physical property parameter under a kind of High Temperature High Pressure and surveys
The associated components of rock mechanics test system (MTS) are carried out redesign transformation by test system, form the test system.The survey
Test system tests cylinder by transformation MTS true triaxials, increases temperature control modules and acquisition module, in MTS true triaxials test cylinder
The environment of the High Temperature High Pressure residing for enhancement mode geothermal system can be simulated, and is uniformly controlled using controller, in this work
Rock thermal physical property parameter test system under High Temperature High Pressure is easily measured under condition.
This utility model is by the technical scheme that solution its technical problem is adopted：There is provided rock under a kind of High Temperature High Pressure
Thermal physical property parameter test system, including the controller that is connected with each other and test cylinder, the controller is MTS controllers, the survey
Examination cylinder is that MTS true triaxials test cylinder, and MTS controllers are connected with each other with MTS true triaxials test cylinder by shielding line；MTS controllers
MTS servo boosters are connected to by shielding line, the MTS servo boosters are connected to the MTS by hydraulic oil pipe
True triaxial tests cylinder and MTS hydraulic presses.
The inside of the MTS true triaxials test cylinder is the closed test chamber for placing cuboid rock sample, is tested
Intracavity is provided with for the axle hydraulic systems of MTS tri- of cuboid rock sample pressurization, temperature control modules and acquisition module；
The axle hydraulic systems of MTS tri- include for acting on the top surface of rock sample and the effect axle of side, wherein, the effect axle of top surface with
And be connected with MTS servo boosters by hydraulic oil pipe positioned at two effect axles of adjacent side；Temperature control modules are by MTS
Controller control for the flat board plane heat source that is attached on the side surface of rock sample, the flat board plane heat source is connected by shielding line
It is connected to MTS controllers；Acquisition module is the thermocouple sensor controlled by MTS controllers, the thermocouple sensor
On one group of opposite flank that two measurement ends are respectively used to be placed in rock sample, the thermocouple sensor is connected by shielding line
It is connected to MTS controllers.
The induction precision of the thermocouple sensor is 0.1 DEG C.
The pressure controling precision of the axle hydraulic systems of the MTS tri- is 0.001kN.
The upper end of the MTS true triaxials test cylinder is provided with the closure compressed by fixing bolt.
The MTS controllers adopt workstation computer.
This utility model is had advantageous effect in that based on its technical scheme：
(1) this utility model is provided with MTS controllers, and it directly tests cylinder with MTS servo boosters and MTS true triaxials
Temperature control modules and the axle hydraulic systems of MTS tri-, can reach the precise control to pressurizeing and heat, and hydraulic control precision can be with
0.001kN is reached, deep layer rock high pressure state under accurate simulation；
(2) MTS true triaxials test cylinder is true triaxial, 3 different stress can be provided on X, tri- directions of Y, Z, with one
A little three axles apply the false triaxial test system of uniform pressures and compare, underground NOL ring that can be residing for more accurate simulation rock
Border；The inside of MTS true triaxials test cylinder is provided with flat board plane heat source, temperature control modules and acquisition module simultaneously, and three is equal
It is connected with MTS controllers, 50～300 DEG C of flat board plane heat source heating-up temperature, temperature control modules and acquisition module can maintain rock
Stone specimen temperature is constant, accurate measurement rock sample temperature, compared with some test systems measured under normal temperature state, this reality
With it is new being capable of the accurate simulation underground deep layer rock condition of high temperature；
(3) using rock thermal physical property parameter test system under a kind of High Temperature High Pressure of the present utility model, stable state can be passed through
Flat band method measures rock sample heat conduction parameter, with vernier caliper measurement rock sample thickness and heat-conducting area, and then tries to achieve rock
Sample heat conductivity；Compared with some place thermal probe by drilling in the sample come the system for testing rock heat conductivity, this
Application avoids test data to be affected by drilling and probe contact condition, can stably be heated at sample two ends, and then accurately
The heat conductivity of test rock sample, and operate simpler；
(4) rock thermal physical property parameter test system is simple to operate under a kind of High Temperature High Pressure of the present utility model, measuring accuracy
Height, test period is short, and the thermal physical property parameter result for measuring is accurate.
Description of the drawings
Fig. 1 is rock thermal physical property parameter test system schematic diagram under a kind of High Temperature High Pressure of the present utility model.
Fig. 2 is MTS true triaxials test cylinder front view.
Fig. 3 is MTS true triaxials test cylinder top view.
Fig. 4 is temperature control modules and acquisition module schematic diagram.
In figure：1-MTS true triaxials test cylinder, 101- effect axles, 102- flat board plane heat sources, 103- thermocouple sensors,
104- fixing bolts, 2-MTS servo boosters, 3-MTS controllers, 4-MTS hydraulic presses, 5- rock samples, 6- hydraulic oil pipes, 7-
Shielding line.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is described in further detail.
This utility model provides rock thermal physical property parameter test system under a kind of High Temperature High Pressure, with reference to Fig. 1 including mutual
The controller of connection and test cylinder, the controller is MTS controls 3, and the test cylinder is that MTS true triaxials test cylinder 1, MTS controls
Device processed 3 is connected with each other with MTS true triaxials test cylinder 1 by shielding line 7；MTS controllers 3 are connected to MTS servos by shielding line 7
Supercharger 2, the MTS servo boosters 2 are connected to the MTS true triaxials and test cylinder 1 and MTS liquid by hydraulic oil pipe 6
Press 4.
With reference to Fig. 2 and Fig. 3, the inside of the MTS true triaxials test cylinder is for placing the closed of cuboid rock examination 5
Test chamber, test intracavity be provided with for cuboid rock sample pressurization the axle hydraulic systems of MTS tri-, temperature control modules and
Acquisition module；The axle hydraulic systems of MTS tri- include the effect axle 101 of the top surface for acting on rock sample and side, wherein, top
The effect axle in face and two effect axles positioned at adjacent side are connected by hydraulic oil pipe 6 with MTS servo boosters；Temperature control
Molding block be by MTS controllers control for the flat board plane heat source 102 that is attached on the side surface of rock sample, i.e. lamellar heating
Device, the flat board plane heat source 102 is connected to MTS controllers by shielding line 7；Acquisition module is the temperature controlled by MTS controllers
Difference thermocouple sensor 103, two measurement ends of the thermocouple sensor 103 are respectively used to be placed in one group of phase of rock sample
To on side, the thermocouple sensor is connected to MTS controllers by shielding line 7.
With reference to Fig. 3 and Fig. 4, thermocouple sensor 103 is close to the contralateral surface placement of rock sample, flat board fever sensation of the face
Source 102 is then wrapped in 4 side surfaces of rock sample, and positioned at the outside of thermocouple sensor 103.So it is easy to the temperature difference
The temperature of thermocouple sensor accurate measurement rock sample.
The induction precision of the thermocouple sensor is 0.1 DEG C.
The pressure controling precision of the axle hydraulic systems of the MTS tri- is 0.001kN.
The upper end of the MTS true triaxials test cylinder is provided with the closure compressed by fixing bolt 104.
The MTS controllers adopt workstation computer.
Using rock thermal physical property parameter test system under a kind of High Temperature High Pressure of the present utility model, can be according to following steps
Measurement rock sample heat conductivity：
Step one：To field acquisition underground deep layer rock initial processing, rock sample size is 150*150*300mm, rock
Stone specimen surface polishes flat smooth.With vernier caliper measurement rock sample thickness δ, area F；
Step 2：Rock sample is put in MTS true triaxials test cylinder, MTS true triaxials test cylinder cylinder door is closed, is started
MTS systems, by MTS controllers the axle hydraulic system 0.5kN axle powers of MTS tri- are arranged, and make the axle hydraulic systems of MTS tri- and rock sample
Contact；
Step 3：The axle hydraulic systems of MTS tri- are arranged by MTS controllers and applies high pressure to rock sample, maintain pressure permanent
It is fixed；
Step 4：By MTS controllers, heating-up temperature is set to rock sample, flat board plane heat source is with rated power Q to rock
The heating of stone sample maintains high temperature, after temperature stabilization, thermocouple measurement rock sample two ends temperature Δ t, finally by following
Formula calculates rock sample heat conductivity λ under High Temperature High Pressure：
Rock thermal physical property parameter test system is first with MTS mechanical tests system under a kind of High Temperature High Pressure of the present utility model
System, can reach the precise control to power, including MTS controllers, MTS servo boosters, MTS hydraulic presses, the test of MTS true triaxials
Cylinder, the axle hydraulic systems of MTS tri- can be with precise control hydraulic pressure, control accuracy 0.001kN, accurate simulation underground deep layer rock high pressure
State.Second, using temperature control and acquisition module, rock sample temperature constant, accurate measurement rock sample temperature can be maintained
Degree, the accurate simulation underground deep layer rock condition of high temperature.Third, rock sample heat conductivity is measured using stable state flat band method, with trip
Mark kind of calliper rock sample thickness δ, heat-conducting area F.Pressurize to sample heating, after sample pressure and temp is stable, measure flat
Temperature difference t on plate two sides, by the heat conduction amount Q of flat board.According to the heat conduction amount Q and flat board that pass through flat board in the case of one-dimensional stable
Temperature difference t on two sides is directly proportional, and the thickness δ of flat board is directly proportional, and is directly proportional with heat conductivity λ.Rock under High Temperature High Pressure
Sample heat conductivity λ can be calculated by below equation：
Using this utility model can accurate simulation underground deep layer rock high pressure state, temperature control and acquisition module can be tieed up
Hold rock sample temperature constant, accurate measurement rock sample temperature, the accurate simulation underground deep layer rock condition of high temperature；Utilize simultaneously
Stable state flat band method measures rock sample heat conductivity, and system operatio is simple, and measuring accuracy is high, and test period is short, thermal physical property parameter
Survey result accurate.
Claims (6)
1. rock thermal physical property parameter test system under a kind of High Temperature High Pressure, including the controller being connected with each other and test cylinder, it is special
Levy and be：The controller is MTS controllers, and the test cylinder is that MTS true triaxials test cylinder, MTS controllers and MTS true triaxials
Test cylinder is connected with each other by shielding line；MTS controllers are connected to MTS servo boosters by shielding line, and the MTS servos increase
Depressor is connected to the MTS true triaxials and tests cylinder and MTS hydraulic presses by hydraulic oil pipe.
2. rock thermal physical property parameter test system under High Temperature High Pressure according to claim 1, it is characterised in that：The MTS
The inside of true triaxial test cylinder is the closed test chamber for placing cuboid rock sample, and test intracavity is provided with for length
The axle hydraulic systems of MTS tri-, temperature control modules and acquisition module that cube rock sample pressurizes；The axle hydraulic system bags of MTS tri-
Include for acting on the top surface of rock sample and the effect axle of side, wherein, the effect axle of top surface and positioned at adjacent side
Two effect axles are connected by hydraulic oil pipe with MTS servo boosters；Temperature control modules are by being used for that MTS controllers are controlled
The flat board plane heat source being attached on the side surface of rock sample, the flat board plane heat source is connected to MTS controllers by shielding line；Adopt
Collection module is the thermocouple sensor controlled by MTS controllers, and two measurement ends of the thermocouple sensor are respectively used to
It is placed on one group of opposite flank of rock sample, the thermocouple sensor is connected to MTS controllers by shielding line.
3. rock thermal physical property parameter test system under High Temperature High Pressure according to claim 2, it is characterised in that：The temperature difference
The induction precision of thermocouple sensor is 0.1 DEG C.
4. rock thermal physical property parameter test system under High Temperature High Pressure according to claim 2, it is characterised in that：The MTS
The pressure controling precision of three axle hydraulic systems is 0.001kN.
5. rock thermal physical property parameter test system under High Temperature High Pressure according to claim 1, it is characterised in that：The MTS
The upper end of true triaxial test cylinder is provided with the closure compressed by fixing bolt.
6. rock thermal physical property parameter test system under High Temperature High Pressure according to claim 1, it is characterised in that：The MTS
Controller adopts workstation computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077908.3U CN206114568U (en) | 2016-09-21 | 2016-09-21 | Rock thermophysical parameters test system under high temperature high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077908.3U CN206114568U (en) | 2016-09-21 | 2016-09-21 | Rock thermophysical parameters test system under high temperature high pressure |
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| CN206114568U true CN206114568U (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621077908.3U Expired - Fee Related CN206114568U (en) | 2016-09-21 | 2016-09-21 | Rock thermophysical parameters test system under high temperature high pressure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988736A (en) * | 2017-04-20 | 2017-07-28 | 中国矿业大学(北京) | A kind of lithostratigraphy pressure simulation detection means and analog detecting method |
| CN107271256A (en) * | 2017-05-25 | 2017-10-20 | 中国矿业大学 | A kind of analog temperature gradient fields and automatic loading device and its application method |
| CN111257196A (en) * | 2020-02-24 | 2020-06-09 | 西南石油大学 | Rock thermophysical parameter prediction method based on formation factors |
-
2016
- 2016-09-21 CN CN201621077908.3U patent/CN206114568U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988736A (en) * | 2017-04-20 | 2017-07-28 | 中国矿业大学(北京) | A kind of lithostratigraphy pressure simulation detection means and analog detecting method |
| CN107271256A (en) * | 2017-05-25 | 2017-10-20 | 中国矿业大学 | A kind of analog temperature gradient fields and automatic loading device and its application method |
| CN107271256B (en) * | 2017-05-25 | 2019-08-30 | 中国矿业大学 | A kind of analog temperature gradient fields and automatic loading device and its application method |
| CN111257196A (en) * | 2020-02-24 | 2020-06-09 | 西南石油大学 | Rock thermophysical parameter prediction method based on formation factors |
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Granted publication date: 20170419 Termination date: 20170921 |