CN110261019A - A kind of carbon dioxide phase transformation fracturing pressure test device - Google Patents
A kind of carbon dioxide phase transformation fracturing pressure test device Download PDFInfo
- Publication number
- CN110261019A CN110261019A CN201910441216.4A CN201910441216A CN110261019A CN 110261019 A CN110261019 A CN 110261019A CN 201910441216 A CN201910441216 A CN 201910441216A CN 110261019 A CN110261019 A CN 110261019A
- Authority
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- China
- Prior art keywords
- carbon dioxide
- phase transformation
- sleeve
- dioxide phase
- transformation fracturing
- Prior art date
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Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 180
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 90
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 90
- 230000009466 transformation Effects 0.000 title claims abstract description 88
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 9
- 229960004424 carbon dioxide Drugs 0.000 claims description 82
- 239000007788 liquid Substances 0.000 claims description 34
- 238000003860 storage Methods 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 13
- 238000010008 shearing Methods 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 claims description 2
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000013022 venting Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000011160 research Methods 0.000 abstract description 6
- 230000001186 cumulative effect Effects 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 239000011435 rock Substances 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 239000002360 explosive Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005422 blasting Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
-
- 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
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/12—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of critical point; of other phase change
Abstract
The invention discloses a kind of carbon dioxide phase transformation fracturing pressure test devices.The device of the invention, including pedestal；Sleeve, sleeve are vertically arranged on the base, and the top of sleeve is open, and sleeve lining is equipped with multiple pressure sensors, and sleeve lower end is equipped with bleeder port；Carbon dioxide phase transformation fracturing device, carbon dioxide phase transformation fracturing device are vertically arranged in sleeve, and have gap between carbon dioxide phase transformation fracturing device and sleeve lining, and filler is filled in gap；The energy mouth of letting out of carbon dioxide phase transformation fracturing device is located at below bleeder port；Data acquisition processing system, data acquisition processing system are electrically connected with pressure sensor.Venting pressure under the vertical operating condition of energy validity test carbon dioxide phase transformation fracturing device of the present invention, the carbon dioxide phase transformation venting pressure time-history curves and different moments carbon dioxide phase transformation venting pressure that different location can be obtained are significant to the point type cumulative action of research carbon dioxide phase transformation fracturing technology along journey distribution curve.
Description
Technical field
The present invention relates to breaking technique for rock field more particularly to a kind of carbon dioxide phase transformation fracturing pressure test devices.
Background technique
With the development of society, the explosive blasting that requirement of the city excavation project to vibration and environment is higher and higher, common
It cannot use in some cases, carbon dioxide phase transformation fracturing technology primarily replaces means as current explosive blasting, obtains
It is widely applied.But since the realistic scale of carbon dioxide phase transformation fracturing technology is significantly larger than theoretical level, to carbon dioxide
The load research of phase transformation fracturing technology is still in the primary stage.Existing carbon dioxide phase transformation fracturing technical research usually first with
Theoretical calculation finds out carbon dioxide phase transformation fracturing energy, then converts TNT equivalent as phase transformation fracturing for phase transformation fracturing energy
Load.But the shock wave of explosive load generation is far longer than the quiet wedging action of detonation gas, it may be said that explosive broken rock
When mainly based on shock wave, and the gas wedging action in carbon dioxide phase transformation fracturing rock break-off process is in rock crack extension
Considerable effect is played, stress wave and gas associating act on energy proportion still in carbon dioxide phase transformation fracturing rock break-off process
It is unapparent, directly carbon dioxide phase transformation fracturing load conversion is haveed the defects that for the progress theoretical research of explosive load certain.Phase
Than under, the pressure time-process curve for directly researching carbon dioxide phase transformation fracturing can the more succinct phase transformation for accurately reacting carbon dioxide
Load characteristics.
There are many existing carbon dioxide pressure phase transition time-history curves tests.One is test carbon dioxide phase transformation fracturing pipes
In pressure, i.e. gun pressure tests, and the pressure of gun pressure test is pressure in carbon dioxide phase transformation fracturing pipe, with carbon dioxide phase transformation
Fracturing device, which is let out, to be had a certain difference between the high-pressure gas pressure of mouth injection, not can accurately reflect carbon dioxide phase transformation venting of dust explosion
Pressure.One is energy hole carbon dioxide phase transformation fracturing device is let out using sealed steel pipe inner sleeve list, is simulated and drilled with steel pipe, steel pipe is horizontal
It is sleeping to carry out carbon dioxide phase transformation fracturing pressure test, but this test method has segmental defect, in most cases, carbon dioxide
Phase transformation fracturing device is closely to be vertically arranged, and the carbon dioxide phase transformation fracturing pressure time-process curve that when accumbency measures only dig by satisfaction level
Into when carbon dioxide phase transformation fracturing device and drilling relative positional relationship, do not meet majority of case carbon dioxide phase transformation fracturing
The relative positional relationship of device and drilling.
It is taken time and effort since carbon dioxide phase transformation fracturing carries out field test, and wasting manpower and material resources, experimental determination two
Carbonoxide phase transformation fracturing pressure time-process curve is a kind of economy efficiently method.Due to the existing resulting carbon dioxide phase transformation of test
Fracturing time-history curves precision is not high, and carbon dioxide phase transformation fracturing technology is a kind of point type CUMULATIVE BLASTING technology, in section not
Pressure time-process curve with position has a certain difference, therefore needs a kind of drilling that can accurately obtain under different fracturing parameters
The test device and test method of interior different location carbon dioxide phase transformation venting pressure time-history curves, in the hope of can accurately describe dioxy
Change carbon phase and become venting of dust explosion power, provides fundamental basis for live practical application.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, a kind of energy validity test titanium dioxide carbon phase is proposed
Become the carbon dioxide phase transformation fracturing pressure test device of the venting pressure under the vertical operating condition of fracturing device.
A kind of carbon dioxide phase transformation fracturing pressure test device of the invention, including pedestal；Sleeve, the sleeve are set vertically
It sets on the pedestal, the top of the sleeve is open, and the sleeve lining is equipped with multiple pressure sensors, the sleeve lower end
Equipped with bleeder port；Carbon dioxide phase transformation fracturing device, the carbon dioxide phase transformation fracturing device are vertically arranged in the sleeve,
And there is gap between the carbon dioxide phase transformation fracturing device and the sleeve lining, filler is filled in the gap；
The energy mouth of letting out of the carbon dioxide phase transformation fracturing device is located at below the bleeder port；Data acquisition processing system, the data
Acquisition processing system is electrically connected with the pressure sensor.
Preferably, the bleeder port is equipped with the wire netting for preventing filler from being leaked out by it.
Preferably, multiple pressure sensors 8 are arranged along the axial direction of the sleeve 2 and circumferential inner wall interval, along described
8 equidistant interval of pressure sensor that sleeve 2 is axially arranged is arranged on the same line, along the spaced pressure of the circumferential inner wall
Force snesor 8 is in same level, and in the pressure sensor of same level 8 at least provided with 4.
Preferably, the horizontal plane for letting out 351 place of energy mouth also is provided with multiple along the spaced pressure of the circumferential inner wall
Force snesor 8, at least two pressure sensors 8 with it is described let out can mouth 351 it is corresponding.
Preferably, the carbon dioxide phase transformation fracturing device include fill head, liquid storage pipe, heat-generating pipe, level pressure shearing piece and
Letting out can head；The liquid storage pipe is vertically arranged in the sleeve, the top for filling head and the liquid storage pipe being arranged in, described to let out
The bottom end of liquid storage pipe is removably arranged in energy head, and level pressure shearing piece may be provided at the bottom end of liquid storage pipe, the heat-generating pipe setting
For being heated to the liquid carbon dioxide in liquid storage pipe in the liquid storage pipe；It is described let out can mouth setting described let out can be on head.
Preferably, the carbon dioxide phase transformation fracturing device is removably vertically arranged in the sleeve by fixed mechanism
It is interior.
Preferably, the fixed mechanism includes multiple bolts, and the side wall of the sleeve is equipped with multiple solid along its axially spaced-apart
Determine threaded hole, the bolt and the fixing screwed hole correspond, one end of the bolt pass through the fixing screwed hole with
The outer tube wall of the liquid storage pipe offsets.
Preferably, the sleeve is removably vertically arranged in the pedestal by installing mechanism.
Preferably, the installing mechanism includes the installation screw rod for being fixed at the sleeve bottom end, is set on the pedestal
There is installation screw, the installation screw spiral is in the installation screw.
Preferably, the installing mechanism further includes at least two support rods, and the sleeve outer wall is equipped at least two supports
Groove, the supporting groove and the support rod correspond, and one end of the support rod is hinged on the pedestal, the other end
It extends in the supporting groove.
A kind of carbon dioxide phase transformation fracturing pressure test device of the invention excites heat-generating pipe, makes to issue in its short time
A large amount of heat, liquid carbon dioxide heat absorption mutually become supercriticality, and pressure is more than the broken of level pressure shearing piece in liquid storage tube cavity
When disconnected pressure, carbon dioxide, which is gone out, mutually becomes high pressure gas；The high pressure gas surge sensor that phase transformation is gone out, pressure sensing
The pressure value of acquisition is transferred to data acquisition processing system by the device moment, and energy validity test carbon dioxide phase transformation fracturing device is vertical
Venting pressure under operating condition can obtain the carbon dioxide phase transformation venting pressure time-history curves and different moments titanium dioxide of different location
Carbon phase becomes venting pressure along journey distribution curve, has important meaning to the point type cumulative action of research carbon dioxide phase transformation fracturing technology
Justice.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of carbon dioxide phase transformation fracturing pressure test device of the invention；
Fig. 2 is the drawing in side sectional elevation of 1-1 in Fig. 1.
1- pedestal；11- installation screw；2- sleeve；21- bleeder port；211- wire netting；22- fixing screwed hole；23- support
Groove；3- carbon dioxide phase transformation fracturing device；31- fills head；32- liquid storage pipe；33- heat-generating pipe；34- level pressure shears piece；35- is let out
It can head；351- is let out can mouth；4- filler；5- data acquisition processing system；6- fixed mechanism；61- bolt；7- installing mechanism；71-
Screw rod is installed；72- support rod；8- pressure sensor.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As illustrated in fig. 1 and 2, a kind of carbon dioxide phase transformation fracturing pressure test device of the invention, including pedestal 1；Sleeve
2, sleeve 2 is vertically arranged on pedestal 1, and the top of sleeve 2 is open, and 2 inner wall of sleeve is equipped with multiple pressure sensors 8, under sleeve 2
End is equipped with bleeder port 21；Carbon dioxide phase transformation fracturing device 3, carbon dioxide phase transformation fracturing device 3 are vertically arranged in sleeve 2,
And there is gap between 2 inner sidewall of carbon dioxide phase transformation fracturing device 3 and sleeve, filler 4 is filled in gap；Carbon dioxide
The energy mouth 351 of letting out of phase transformation fracturing device 3 is located at 21 lower section of bleeder port；Data acquisition processing system 5, data acquisition processing system 5
It is electrically connected with pressure sensor 8.
A kind of carbon dioxide phase transformation fracturing pressure test device of the invention excites heat-generating pipe 33, makes in its short time
A large amount of heat is issued, liquid carbon dioxide heat absorption mutually becomes supercriticality, and pressure is sheared more than level pressure in 32 inner cavity of liquid storage pipe
When the fracture pressure of piece 34, carbon dioxide, which is gone out, mutually becomes high pressure gas；The high pressure gas surge sensor that phase transformation is gone out
8, the pressure value of acquisition is transferred to data acquisition processing system 5 by 8 moment of pressure sensor.It can validity test carbon dioxide phase transformation
Venting pressure under the vertical operating condition of fracturing device 3, can obtain the carbon dioxide phase transformation venting pressure time-history curves of different location with
Different moments carbon dioxide phase transformation venting pressure is along journey distribution curve, to the point type cumulative of research carbon dioxide phase transformation fracturing technology
It acts on significant.
Certain gap is kept between carbon dioxide phase transformation fracturing device 3 and sleeve 2, is caused to simulate carbon dioxide phase transformation
Split the not couple state between device 3 and drilling.
Bleeder port 21 can be equipped with the wire netting 211 for preventing filler 4 from being leaked out by it.Guarantee to fill while air-flow is unobstructed
Object 4 is not blown out from bleeder port 21.Wherein filler 4 can be the materials such as clay stemming.Bleeder port 21 is to simulate titanium dioxide
Pressure reduction process when carbon phase becomes fracturing rock mass when gas wedging rock mass, can effectively indicate the high pressure that carbon dioxide phase transformation generates
Pressure dissipation process of the gas in rock break-off process.
Multiple pressure sensors 8 are arranged along the axial direction of sleeve 2 and circumferential inner wall interval, the pressure being axially arranged along sleeve 2
8 equidistant interval of sensor is arranged on the same line, and circumferentially the spaced pressure sensor 8 of inner wall is in same level,
And in the pressure sensor of same level 8 at least provided with 4.Multiple pressure sensors 8 are set on horizontal plane, and horizontal plane is not
The collected data of pressure sensor 8 with position can effectively compare point type CUMULATIVE BLASTING in the process with the pressure of section different location
Power difference.
Wherein pressure sensor 8 can be PVDF pressure sensor or high range piezoresistance formula sensor.
Let out can the horizontal plane where mouth 351 also be provided with it is multiple along the spaced pressure sensor 8 of circumference inner wall, until
Few two pressure sensors 8 are corresponding with energy mouth 351 is let out.Guarantee that high-pressure carbon dioxide phase transformation fracturing gas can directly impact two
Pressure sensor 8, accurately obtains pressure data；
Carbon dioxide phase transformation fracturing device 3 includes filling first 31, liquid storage pipe 32, heat-generating pipe 33, level pressure shearing piece 34 and letting out
It can head 35；Liquid storage pipe 32 is vertically arranged in sleeve 2, fills first 31 tops that liquid storage pipe 32 is arranged in, and it is detachable to let out energy head 35
The bottom end that liquid storage pipe 32 is set, level pressure shearing piece 34 may be provided at the bottom end of liquid storage pipe 32, and heat-generating pipe 33 is arranged in liquid storage
For being heated to the liquid carbon dioxide in liquid storage pipe 32 in pipe 32；The setting of energy mouth 351 is let out on letting out energy head 35.Letting out can mouth 351
There are two can setting, can be set respectively in the two sides for letting out energy head 35, two pressure sensors 8 respectively can mouth with letting out for two sides
351 is corresponding.
Carbon dioxide phase transformation fracturing device 3 can be removably vertically arranged in sleeve 2 by fixed mechanism 6.
There are many structures of fixed mechanism 6, and herein without limitation, in the present embodiment, fixed mechanism 6 may include more
The side wall of a bolt 61, sleeve 2 is equipped with multiple fixing screwed holes 22 along its axially spaced-apart, and bolt 61 and fixing screwed hole 22 are one by one
Corresponding, one end of bolt 61 passes through fixing screwed hole 22 and the outer wall of liquid storage pipe 32 offsets.It, can for further fixing-stable
Groove is arranged in liquid storage pipe outer wall, liquid storage pipe outer wall is not penetrated, one end of bolt 61 passes through the insertion of fixing screwed hole 22, and this is recessed
In slot.The mode of the position of multiple bolts 61 can there are many, herein without limitation, such as: for bolt 61 be arranged
Position can be separately positioned on the both ends of two vertical diametral planes along its axis on four straight lines on four straight lines.
Sleeve 2 can removably be vertically arranged in pedestal 1 by installing mechanism 7.
There are many structures of installing mechanism 7, and herein without limitation, in the present embodiment, installing mechanism 7 may include solid
The installation screw rod 71 of 2 bottom end of sleeve is set calmly, and pedestal 1 is equipped with installation screw 11, installs 71 spiral of screw rod in installation screw
In 11.
Installing mechanism 7 can also include at least two support rods 72, and 2 outer wall of sleeve is equipped at least two supporting grooves 23,
Supporting groove 23 and support rod 72 correspond, and one end of support rod 72 is hinged on pedestal 1, and the other end extends to supporting groove 23
It is interior.Guarantee that carbon dioxide phase transformation fracturing device 3 and uncovered heavy wall steel bushing 2 can be perpendicular to pedestal 1, effective moulds in experimental test
Quasi- carbon dioxide phase transformation fracturing device 3 is vertically installed in the situation in drilling, carbon dioxide phase transformation fracturing device 3 when guarantee test
Keep vertical stable state.
It is not directed to place above, is suitable for the prior art.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to be illustrated, the range being not intended to be limiting of the invention, belonging to the present invention
Those skilled in the art can make various modifications or additions to described specific embodiment or using class
As mode substitute, but without departing from direction of the invention or beyond the scope of the appended claims.Ability
Domain it is to be understood by the skilled artisans that according to the technical essence of the invention to made by embodiment of above it is any modification, etc.
With replacement, improvement etc., protection scope of the present invention should be included in.
Claims (10)
1. a kind of carbon dioxide phase transformation fracturing pressure test device, it is characterised in that: including
Pedestal (1)；
Sleeve (2), the sleeve (2) are vertically arranged on the pedestal (1), and the top of the sleeve (2) is open, the sleeve
(2) inner wall is equipped with multiple pressure sensors (8), and sleeve (2) bottom side of the wall is equipped with bleeder port (21)；
Carbon dioxide phase transformation fracturing device (3), the carbon dioxide phase transformation fracturing device (3) are vertically arranged in the sleeve (2)
In, and there is gap between the carbon dioxide phase transformation fracturing device (3) and the sleeve (2) inner sidewall, it is filled out in the gap
Filled with filler (4)；The energy mouth (351) of letting out of the carbon dioxide phase transformation fracturing device (3) is located at below the bleeder port (21)；
Data acquisition processing system (5), the data acquisition processing system (5) are electrically connected with the pressure sensor (8).
2. a kind of carbon dioxide phase transformation fracturing pressure test device as described in claim 1, it is characterised in that: the bleeder port
(21) it is equipped with the wire netting (211) for preventing filler (4) from being leaked out by it.
3. a kind of carbon dioxide phase transformation fracturing pressure test device as described in claim 1, it is characterised in that: multiple pressures
Force snesor (8) is arranged along the axial direction of the sleeve (2) and circumferential inner wall interval, the pressure being axially arranged along the sleeve (2)
Sensor (8) equidistant interval is arranged on the same line, along the spaced pressure sensor of the circumferential inner wall (8) same
Horizontal plane, and in the pressure sensor of same level (8) at least provided with 4.
4. a kind of carbon dioxide phase transformation fracturing pressure test device as claimed in claim 3, it is characterised in that: described let out can mouth
(351) horizontal plane where also is provided with multiple along the spaced pressure sensor of the circumferential inner wall (8), at least two pressure
Sensor (8) with it is described let out can mouth (351) it is corresponding.
5. a kind of carbon dioxide phase transformation fracturing pressure test device as described in claim 1, it is characterised in that: the titanium dioxide
It includes filling head (31), liquid storage pipe (32), heat-generating pipe (33), level pressure shearing piece (34) and letting out energy head that carbon phase, which becomes fracturing device (3),
(35)；The liquid storage pipe (32) is vertically arranged in the sleeve (2), and described fill head (31) are arranged in the liquid storage pipe (32)
Top, it is described let out can head (35) removably in the bottom end of liquid storage pipe (32), level pressure shearing piece (34) may be provided at storage for setting
The bottom end of liquid pipe (32), heat-generating pipe (33) setting is in the liquid storage pipe (32) for the liquid two in liquid storage pipe (32)
Carbonoxide heating；It is described let out can mouth (351) be arranged can be on head (35) in described let out.
6. a kind of carbon dioxide phase transformation fracturing pressure test device as claimed in claim 5, it is characterised in that: the titanium dioxide
Carbon phase becomes fracturing device (3) and is removably vertically arranged in the sleeve (2) by fixed mechanism (6).
7. a kind of carbon dioxide phase transformation fracturing pressure test device as claimed in claim 6, it is characterised in that: the fixed machine
Structure (6) includes multiple bolts (61), and the side wall of the sleeve (2) is equipped with multiple fixing screwed holes (22) along its axially spaced-apart, institute
It states bolt (61) and the fixing screwed hole (22) to correspond, one end of the bolt (61) passes through the fixing screwed hole
(22) outer wall with the liquid storage pipe (32) offsets.
8. such as a kind of described in any item carbon dioxide phase transformation fracturing pressure test devices of claim 1-7, it is characterised in that: institute
It states sleeve (2) and is removably vertically arranged in the pedestal (1) by installing mechanism (7).
9. a kind of carbon dioxide phase transformation fracturing pressure test device as claimed in claim 8, it is characterised in that: the fitting machine
Structure (7) includes the installation screw rod (71) for being fixed at the sleeve (2) bottom end, and the pedestal (1) is equipped with installation screw
(11), installation screw rod (71) spiral is in the installation screw (11).
10. a kind of carbon dioxide phase transformation fracturing pressure test device as claimed in claim 9, it is characterised in that: the installation
Mechanism (7) further includes at least two support rods (72), and sleeve (2) outer wall is equipped at least two supporting grooves (23), described
Supporting groove (23) and the support rod (72) correspond, and one end of the support rod (72) is hinged on the pedestal (1),
The other end extends in the supporting groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441216.4A CN110261019B (en) | 2019-05-24 | 2019-05-24 | Carbon dioxide phase transition fracturing pressure testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441216.4A CN110261019B (en) | 2019-05-24 | 2019-05-24 | Carbon dioxide phase transition fracturing pressure testing device |
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| CN110261019A true CN110261019A (en) | 2019-09-20 |
| CN110261019B CN110261019B (en) | 2024-04-02 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442868A (en) * | 2020-03-27 | 2020-07-24 | 西北核技术研究院 | Sensor lateral installation protection device for explosion test |
| CN111537432A (en) * | 2020-04-29 | 2020-08-14 | 重庆大学 | Liquid CO2Phase change cracking power testing device and testing method |
| CN111579579A (en) * | 2020-05-26 | 2020-08-25 | 中国地质大学（武汉） | Multipoint omnibearing CO2System and method for testing time-course curve of phase change fracturing pressure |
| CN113310657A (en) * | 2021-05-26 | 2021-08-27 | 北京中煤矿山工程有限公司 | Device and method for measuring pressure relief capacity of carbon dioxide fracturing device in rock mass or coal mass |
| CN113310658A (en) * | 2021-05-27 | 2021-08-27 | 北京中煤矿山工程有限公司 | Pressure measuring device and method for carbon dioxide fracturing device |
| CN113639596A (en) * | 2021-07-21 | 2021-11-12 | 北京科技大学 | System and method for testing bursting pressure and effect of carbon dioxide fracturing device |
| CN113701805A (en) * | 2021-08-11 | 2021-11-26 | 中国地质大学（武汉） | System and method for testing internal temperature and internal pressure and external overpressure of carbon dioxide cracking tube |
| CN111579579B (en) * | 2020-05-26 | 2024-04-16 | 中国地质大学（武汉） | Multipoint omnibearing CO 2 Phase-change fracturing pressure time-course curve testing system and method |
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