CN113639596A - System and method for testing bursting pressure and effect of carbon dioxide fracturing device - Google Patents
System and method for testing bursting pressure and effect of carbon dioxide fracturing device Download PDFInfo
- Publication number
- CN113639596A CN113639596A CN202110827799.1A CN202110827799A CN113639596A CN 113639596 A CN113639596 A CN 113639596A CN 202110827799 A CN202110827799 A CN 202110827799A CN 113639596 A CN113639596 A CN 113639596A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- extending arms
- test block
- group
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The embodiment of the invention provides a system and a method for testing the burst pressure and effect of a carbon dioxide fracturer, and relates to the technical field of drilling and blasting tunneling research. The method comprises the following steps: the device comprises a mechanical clamping device, a test block, a pressure data acquisition element and a data processing module; the clamping and locking mechanism of the mechanical clamping device is used for fixing the upper part of the fracturing device, so that the pipe flying phenomenon which possibly occurs during blasting experiments is avoided, the energy release end of the fracturing device is only required to be placed into the energy release end mounting hole on the test block, namely, the end part of the carbon dioxide fracturing device can be placed into the size of the test block to simulate the state that the carbon dioxide fracturing device is completely embedded into the blast hole, and the size of a cement test piece can be greatly reduced. Therefore, by means of the experiment system, the development of the burst pressure and effect experiment of the carbon dioxide fracturing device is facilitated.
Description
Technical Field
The invention relates to the technical field of drilling and blasting tunneling research, in particular to a system and a method for testing the blasting pressure and effect of a carbon dioxide fracturing device.
Background
A carbon dioxide cracking device is a new blasting device, and utilizes the principle that liquid carbon dioxide is gasified by heating, expanded and boosted to instantly generate ultrahigh-pressure airflow to act on coal, the liquid carbon dioxide is filled in a liquid storage pipe of the cracking device, a heating device is started to generate a large amount of heat, so that the liquid carbon dioxide in the liquid storage pipe is instantly gasified, the volume is expanded by about 600 times, the pressure is rapidly increased, when the pressure in the pipe reaches the ultimate strength of a constant-pressure shear blade, high-pressure gas breaks the constant-pressure shear blade and is released from an energy release valve, and the materials are broken along natural fractures or fracture surfaces caused by blasting of the materials such as coal, rock mass and the like by using instantly generated strong thrust and are pushed away from a main body, so that the purpose of blasting is achieved. The equipment has better applicability, is widely applied to the fields of engineering and production, obtains good application effect, and has greater and greater influence on the blasting industry.
At present, carbon dioxide fracturing devices are in various models, but the diameter and the length of the carbon dioxide fracturing device are large, so that the carbon dioxide fracturing device is not suitable for carrying out experimental research on the bursting pressure and the bursting effect of carbon dioxide in a laboratory. For example, the cement test block is usually manufactured as a test piece in the experiment, the height of the manufactured cement test block exceeds the whole length of the fracturing device, a certain depth is reserved at the bottom of the cement test block, meanwhile, the length of the hole sealing is reserved at the top of the cement test block, the experiment requirement can be met, and the manufactured cement test block is large in size. Taking a fracturing device with the diameter of phi 51mm and the length of 1000mm as an example, the size of a cement test block to be manufactured is 2000 x 2000mm, the type of the cement test block is still smaller in the sequence of the fracturing device, and if a large-type fracturing device is used for carrying out experiments, the size of the test block to be manufactured is larger; moreover, aiming at the same experiment, a plurality of cement test blocks need to be manufactured at one time, the workload is huge, the cost is high, and the area of the required experiment field is large; the experimental method sometimes causes a runaway accident, and has potential safety hazards; the success rate of the experiment is also low.
The above-mentioned difficult problem that exists in the experiment in carbon dioxide blasting laboratory causes to be not convenient for carry out carbon dioxide and sends and split ware burst pressure and effect experiment.
Disclosure of Invention
In view of this, the embodiment of the invention provides a system and a method for testing the burst pressure and the effect of a carbon dioxide cracking device, which are convenient for developing the burst pressure and the effect test of the carbon dioxide cracking device.
In a first aspect, an embodiment of the present invention provides a system for testing burst pressure and effect of a carbon dioxide fracturer, including: the device comprises a mechanical clamping device, a test block, a pressure data acquisition element and a data processing module;
the mechanical clamping device comprises a plurality of struts, extending arms and a clamping and locking mechanism for fixing the carbon dioxide fracturing device, wherein the struts are arranged at intervals in the circumferential direction, the struts surround to form a first space, the extending arms comprise a first group of extending arms and a second group of extending arms, the first group of extending arms and the second group of extending arms are arranged on the struts from top to bottom, the number of the first group of extending arms and the number of the second group of extending arms are respectively consistent with that of the struts, the first group of extending arms and the second group of extending arms are located in the first space, first ends of the first group of extending arms and first ends of the second group of extending arms are connected to the struts, and the clamping and locking mechanism is arranged at second ends of the first group of extending arms and the second group of extending arms respectively;
the clamping and locking mechanism on the bottom surface of the first space and above the first space is provided with the test block, and the upper surface of the test block is provided with an energy release end mounting hole of the carbon dioxide fracturing device;
the pressure data acquisition element is arranged in the test block and used for acquiring the explosion pressure of the carbon dioxide fracturer after energy leakage, and an electronic wiring end of the pressure data acquisition element is electrically connected with the data processing module.
Optionally, the number of the struts is three, the first group of the extending arms and the second group of the extending arms are respectively provided with three corresponding extending arms, the clamping and locking mechanism comprises a first hoop, a second hoop and a third hoop, first connecting portions are arranged on outer side surfaces of the first hoop, the second hoop and the third hoop, the first connecting portions are used for being connected with second ends of the extending arms, and inner concave surfaces of the first hoop, the second hoop and the third hoop are annularly connected to form a clamping space.
Optionally, each extending arm comprises a first arm section and a second arm section, the first end of the first arm section is integrally connected to the side portion of the pillar, the first end of the second arm section is hinged to the second end of the first arm section, the second arm section can swing up and down relative to the first arm section, the second end of the second arm section is provided with a second connecting portion, and the second connecting portion is used for connecting the clamping and locking mechanism.
Optionally, a plurality of pressure data acquisition elements are arranged in the test block.
In a second aspect, an embodiment of the present invention provides a method for testing a burst pressure and an effect of a carbon dioxide cracker, which is implemented based on any one of the systems for testing a burst pressure and an effect of a carbon dioxide cracker in the first aspect, and the method includes the steps of:
s10, reserving an energy release end mounting hole in the center of the upper surface of the cement test block with the first strength and size for simulating a blast hole;
s20, placing a cement test block on the bottom surface below a clamping and locking mechanism of a mechanical clamping device, inserting an energy release end of a carbon dioxide fracturing device into an energy release end mounting hole of the cement test block to keep the cement test block vertical, clamping and fixing the carbon dioxide fracturing device by using the clamping and locking mechanism, plugging a gap between the carbon dioxide fracturing device and the wall of the energy release end mounting hole, and simulating a plugging process of a blast hole during actual blasting;
s30, detonating the carbon dioxide fracturer, collecting pressure data of monitoring points at different positions away from a detonation source in the blasting process by using a pressure data collecting element arranged in the test block, and sending the pressure data to a data processing module;
and S40, analyzing the burst pressure and effect of the carbon dioxide fracturer according to the pressure data by using the data processing module.
Optionally, the method further comprises: before the experiment, cement test blocks with different strengths and sizes are manufactured in advance;
and after the first experiment is finished, replacing the cement test block with the first strength and size with the cement test block with the second strength and size, repeating the steps from S10 to S30, and carrying out comparative analysis on the burst pressure and the effect of the carbon dioxide fractureaccording to the pressure data obtained by the cement test blocks with different strengths and sizes.
According to the system and the method for testing the bursting pressure and the bursting effect of the carbon dioxide fracturer, during the experiment, the upper part of the fracturer is fixed by using the clamping and locking mechanism of the mechanical clamping device, so that the pipe flying phenomenon possibly occurring during the blasting experiment is avoided, the energy-releasing end head of the fracturer is only required to be placed into the energy-releasing end head mounting hole on the test block, namely the size of the test block can be only placed into the end part of the carbon dioxide fracturer to simulate the state that the carbon dioxide fracturer is completely embedded into a blast hole, so that the size of a cement test piece can be greatly reduced. Therefore, by means of the experiment system, the development of the burst pressure and effect experiment of the carbon dioxide fracturing device is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a system for testing the burst pressure and effect of a carbon dioxide fracturer according to an embodiment of the invention;
fig. 2 is a schematic flow chart of an experiment method for the burst pressure and effect of the carbon dioxide fracturer according to the embodiment of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be apparent that numerous technical details are set forth in the following specific examples in order to provide a more thorough description of the present invention, and it should be apparent to one skilled in the art that the present invention may be practiced without some of these details. In addition, some methods, means, components and applications thereof known to those skilled in the art are not described in detail in order to highlight the gist of the present invention, but the implementation of the present invention is not affected thereby. The embodiments described herein are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a schematic structural diagram of a system for testing the burst pressure and effect of a carbon dioxide fracturer according to an embodiment of the invention; referring to fig. 1, an experiment system for burst pressure and effect of a carbon dioxide fractureprovided by the embodiment of the invention includes: the device comprises a mechanical clamping device 10, a test block 20, a pressure data acquisition element and a data processing module 30;
the mechanical clamping device 10 comprises a plurality of supporting columns 11, a plurality of extending arms 12 and a clamping and locking mechanism 13 for fixing the carbon dioxide fracturer 40, wherein the plurality of supporting columns 11 are arranged at intervals in the circumferential direction, the plurality of supporting columns 11 surround to form a first space 50, the extending arms 12 comprise a first group of extending arms 121 and a second group of extending arms 122 which are arranged on the supporting columns 11 up and down, the number of the first group of extending arms 121 and the number of the second group of extending arms 122 are respectively consistent with the number of the supporting columns 11, the first group of extending arms 121 and the second group of extending arms 122 are positioned in the first space 40, the first ends of the first group of extending arms 121 and the second group of extending arms 122 are connected to the supporting columns 11, and the clamping and locking mechanism 13 is respectively arranged at the second ends of the first group of extending arms 121 and the second group of extending arms 122;
the clamping and locking mechanism 13 on the bottom surface of the first space 40 and above the first space is provided with the test block 20, and the upper surface of the test block 20 is provided with an energy discharge end mounting hole of the carbon dioxide fracturing device 40;
the pressure data acquisition element is arranged in the test block 20 and used for acquiring the explosion pressure of the carbon dioxide fracturer 40 after energy discharge, and an electronic wiring terminal of the pressure data acquisition element is electrically connected with the data processing module 30.
With continued reference to fig. 1, in some embodiments, there are three supporting columns 11, there are three corresponding extending arms 121 of the first group and three corresponding extending arms 122 of the second group, the extending arms 121 of the first group and the extending arms 122 of the second group are spaced up and down, the clamping and locking mechanism 13 includes a first hoop, a second hoop and a third hoop, a first connecting portion is provided on an outer side surface of the first hoop, the second hoop and the third hoop, the first connecting portion is used for connecting with the second end of the extending arm 12, and inner concave surfaces of the first hoop, the second hoop and the third hoop are annularly joined to form a clamping space.
In some embodiments, each extending arm comprises a first arm segment and a second arm segment, a first end of the first arm segment is integrally connected to the side portion of the pillar 11, a first end of the second arm segment is hinged to a second end of the first arm segment, the second arm segment is capable of swinging up and down relative to the first arm segment, and a second connecting portion is arranged at a second end of the second arm segment and used for connecting the clamping and locking mechanism 13.
In some embodiments, a plurality of pressure data acquisition elements are disposed in the test block 20.
The pressure data acquisition element comprises a pressure sensor 71, illustratively, a plurality of pressure sensors 71 are buried in the cement test block 20, one of the pressure sensors 71 is buried along the wall of a drill hole reserved in the test block 20 and is close to the bottom of the energy leakage end mounting hole, the height of an air outlet of the carbon dioxide cracking device 40 in the drill hole is consistent, other sensors are respectively arranged according to the test requirement, the other sensors can be flush with the air outlet of the carbon dioxide cracking device 40, the pressure data acquisition element can also be buried in other positions of the cement test block 20 according to the specific experimental conditions, and the specific position of each sensor is recorded, so that the explosion pressure at different positions away from the center of an explosion source after explosion can be obtained. In addition, when embedding the pressure sensor 71, attention should be paid to the reliable wiring of the sensor to avoid a failure in monitoring.
According to the system and the method for testing the bursting pressure and the bursting effect of the carbon dioxide fracturing device, during the testing, the upper part of the fracturing device is fixed by the clamping and locking mechanism 13 of the mechanical clamping device 10, the pipe flying phenomenon which possibly occurs during the blasting test is avoided, the energy-releasing end of the fracturing device is only required to be placed into the energy-releasing end mounting hole on the test block 20, namely the test block 20 can be placed into the end part of the carbon dioxide fracturing device 40 only to simulate the state that the carbon dioxide fracturing device 40 is completely buried into a blast hole, and the size of a cement test piece can be greatly reduced. Therefore, by means of the experimental system, the development of the burst pressure and effect experiment of the carbon dioxide fracturing device 40 is facilitated.
As shown in fig. 2, based on the burst pressure and effect experiment system of the carbon dioxide cracker in any of the foregoing embodiments, an embodiment of the present invention further provides a burst pressure and effect experiment method of a carbon dioxide cracker, the method including the steps of:
s10, reserving an energy release end mounting hole at the center of the upper surface of the cement test block 20 with the first strength and size for simulating a blast hole;
in this embodiment, cement test blocks 20 with different strengths and different sizes are prepared in advance for use before the experiment. A first set of experiments was performed on a cement block 20 having a first strength and size.
S20, placing the cement test block 20 on the bottom surface below the clamping and locking mechanism 13 of the mechanical clamping device 10, inserting the energy release end of the carbon dioxide fracturing device 40 into the energy release end mounting hole of the cement test block 20 to be kept vertical, clamping and fixing the carbon dioxide fracturing device 40 by using the clamping and locking mechanism 13, plugging a gap between the carbon dioxide fracturing device 40 and the wall of the energy release end mounting hole, and simulating a plugging process of a blast hole during actual blasting.
The mechanical clamping device 10 in the embodiment of the invention is used for clamping and locking the carbon dioxide cracking device 40, replaces most of the area of a large cement test piece manufactured in the original experiment, so that the overall size specification of the cement test piece 20 is reduced, and great convenience is brought to the experiment.
Three pillars 11 of the mechanical clamping device 10 are fixed on the ground by expansion screws, so that the stability of the whole mechanical clamping device 10 is guaranteed, the carbon dioxide fracturing device 40 placed in an energy release end mounting hole of the cement test block 20 is fixed by the mechanical clamping device 10, and the clamping and locking mechanism 13 is ensured to firmly clamp the fracturing device, so that the fracturing device does not generate obvious axial movement in the experimental process.
In some embodiments, the wall of the energy-releasing tip mounting hole on the cement test block 20 is provided with an air outlet.
The type of the used carbon dioxide cracking device 40 can be selected according to specific experimental conditions, the carbon dioxide cracking device 40 is assembled, and liquid carbon dioxide is filled, so that the quality of the liquid carbon dioxide filled in the cracking device is ensured; and (3) putting the fracturing device into a reserved energy-releasing end mounting hole of the cement test block 20, aligning one air outlet of the carbon dioxide fracturing device 40 with an air outlet pre-buried in the wall of the energy-releasing end mounting hole, and plugging a gap between the carbon dioxide fracturing device 40 and the energy-releasing end mounting hole by using cement paste.
And S30, detonating the carbon dioxide fracturer 40, collecting pressure data of monitoring points at different positions away from a blasting source in the blasting process by using a pressure data collecting element arranged in the test block 20, and sending the pressure data to the data processing module 30.
The data acquisition elements are arranged in the test block 20 in the manner described above.
And S40, analyzing the burst pressure and effect of the carbon dioxide fracker 40 according to the pressure data by using the data processing module 30.
The data acquisition element in the invention can comprise a pressure sensor 71 and a pressure data acquisition transfer module 72, wherein the pressure sensor 71 and the pressure data acquisition transfer module 72 are connected by adopting a special data transmission line, and then the pressure data acquisition transfer module 72 is connected with the data processing module 30; after the line connection is finished, the equipment starts to be debugged, and the equipment is ensured to be in a starting state during the experiment. The pressure data acquisition transfer unit needs to be protected by protective equipment and is far away from the cement test block 20 as far as possible; the data processing module 30 is not located in the same space or location as the experimental system of the present invention, and serves to protect the data processing system module.
Before the experiment, the carbon dioxide cracking device 40 is connected with the exploder through a detonating cord, and the safe distance for starting the carbon dioxide cracking device 40 is 300 meters according to the regulation of blasting safety regulations; starting the exploder, instantly generating high-energy and high-pressure gas by the carbon dioxide cracking device 40, exploding the cement test block 20, recording data of corresponding position points by the pressure sensors 71 at different position points, transmitting the data to the pressure data acquisition and transfer module 72, transmitting the data to the data processing module 30 by the pressure data acquisition and transfer module 72, and completely recording the pressure change condition in the explosion process; so as to obtain the curve of the pressure changing along with the space-time. The condition of the broken cement test block 20 can be visually observed after blasting, and the size of the block size is counted for evaluating the blasting effect.
In other embodiments, the method further comprises: before the experiment, cement test blocks 20 with different strengths and sizes are manufactured in advance;
wherein, the cement test block 20 is a test piece for testing the blasting effect of the carbon dioxide fracturing device. Before an experiment, an end energy release mounting hole is reserved in the center of a cement test block 20 and used for simulating a blast hole, the hole diameter is matched with the diameter of an energy release end of a carbon dioxide cracking device 40 and is 10mm larger than the diameter of the carbon dioxide cracking device 40, the hole depth exceeds the length of the energy release end of the cracking device by 100mm, the cement test block 20 is placed in the center of three support columns 11 of a mechanical clamping device 10 before the experiment, the energy release end of the carbon dioxide cracking device 40 is inserted into the blast hole of the cement test block 20, and the cracking device is fixed by a clamping and locking mechanism 13; and (3) sealing a gap between the carbon dioxide fracturing device 40 and the hole wall by using cement mortar, and simulating a hole sealing link in field blasting.
And after the first experiment is finished, replacing the cement test block 20 with the first strength and size with the cement test block 20 with the second strength and size, repeating the steps from S10 to S30, and comparing and analyzing the burst pressure and the burst effect of the carbon dioxide cracker 40 according to the pressure data obtained by the cement test blocks 20 with different strengths and sizes.
In this way, a plurality of experiments are carried out through a plurality of test blocks 20 with different specifications to evaluate the blasting effect according to the experiment results of different times.
Compared with the prior art that the carbon dioxide fracturing device is integrally placed in the cement test block, the huge cement test block is required to be manufactured. According to the experimental device and the experimental method, the size of the cement test block 20 can be reduced to 1/5-1/10 by using the mechanical clamping device 10, the workload and the cost for manufacturing the test block are greatly reduced, the difficulty of the experiment is reduced, the clamping and locking mechanism 13 is used for fixing the carbon dioxide cracking device 40, the occurrence of a pipe flying accident can be prevented, and the success rate of the experiment is improved while the safety of the experiment is ensured.
Therefore, the experiment is carried out by the experiment system and the method, the operation is simple and easy, the measurement result is accurate and reliable, and the random space variation relationship of the burst pressure of the carbon dioxide fracturer can be obtained; the method is beneficial to the research of the effect and the effect time of analyzing the impact wave and the high-pressure high-energy gas static wedge effect in the carbon dioxide phase change rock breaking process, and can provide reference for the arrangement of drilling holes on the blasting site. Moreover, the cement test block 20 can be used as a test piece to visually observe the size of the block degree after blasting, can be used as an evaluation basis of the blasting effect, and has important reference significance for researching the carbon dioxide fracturing device in the blasting engineering.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a carbon dioxide sends and splits ware burst pressure and effect experimental system which characterized in that includes: the device comprises a mechanical clamping device, a test block, a pressure data acquisition element and a data processing module;
the mechanical clamping device comprises a plurality of struts, extending arms and a clamping and locking mechanism for fixing the carbon dioxide fracturing device, wherein the struts are arranged at intervals in the circumferential direction, the struts surround to form a first space, the extending arms comprise a first group of extending arms and a second group of extending arms, the first group of extending arms and the second group of extending arms are arranged on the struts from top to bottom, the number of the first group of extending arms and the number of the second group of extending arms are respectively consistent with that of the struts, the first group of extending arms and the second group of extending arms are located in the first space, first ends of the first group of extending arms and first ends of the second group of extending arms are connected to the struts, and the clamping and locking mechanism is arranged at second ends of the first group of extending arms and the second group of extending arms respectively;
the clamping and locking mechanism on the bottom surface of the first space and above the first space is provided with the test block, and the upper surface of the test block is provided with an energy release end mounting hole of the carbon dioxide fracturing device;
the pressure data acquisition element is arranged in the test block and used for acquiring the explosion pressure of the carbon dioxide fracturer after energy leakage, and an electronic wiring end of the pressure data acquisition element is electrically connected with the data processing module.
2. The experimental system of claim 1, wherein the number of the pillars is three, the first set of extending arms and the second set of extending arms are respectively provided with three corresponding extending arms, the clamping and locking mechanism includes a first hoop, a second hoop and a third hoop, a first connecting portion is provided on an outer side surface of the first hoop, the second hoop and the third hoop, the first connecting portion is used for connecting with a second end of the extending arms, and inner concave surfaces of the first hoop, the second hoop and the third hoop are annularly connected to form a clamping space.
3. The experimental system as claimed in claim 2, wherein each extension arm comprises a first arm segment and a second arm segment, a first end of the first arm segment is integrally connected to a side portion of the pillar, a first end of the second arm segment is hinged to a second end of the first arm segment, the second arm segment can swing up and down relative to the first arm segment, and a second connecting portion is arranged at a second end of the second arm segment and used for connecting the clamping and locking mechanism.
4. The experimental system of claim 1, wherein a plurality of pressure data acquisition elements are disposed in the test block.
5. A method for testing the burst pressure and effect of a carbon dioxide cracker, which is implemented based on the system for testing the burst pressure and effect of the carbon dioxide cracker of any one of claims 1 to 4, and comprises the following steps:
s10, reserving an energy release end mounting hole in the center of the upper surface of the cement test block with the first strength and size for simulating a blast hole;
s20, placing a cement test block on the bottom surface below a clamping and locking mechanism of a mechanical clamping device, inserting an energy release end of a carbon dioxide fracturing device into an energy release end mounting hole of the cement test block to keep vertical, clamping and fixing the carbon dioxide fracturing device by using the clamping and locking mechanism, plugging a gap between the carbon dioxide fracturing device and the hole wall of the energy release end mounting hole, and simulating a plugging process of a blast hole during actual blasting
S30, detonating the carbon dioxide fracturer, collecting pressure data of monitoring points at different positions away from a detonation source in the blasting process by using a pressure data collecting element arranged in the test block, and sending the pressure data to a data processing module;
and S40, analyzing the burst pressure and effect of the carbon dioxide fracturer according to the pressure data by using the data processing module.
6. The experimental method of claim 5, further comprising: before the experiment, cement test blocks with different strengths and sizes are manufactured in advance;
and after the first experiment is finished, replacing the cement test block with the first strength and size with the cement test block with the second strength and size, repeating the steps from S10 to S30, and carrying out comparative analysis on the burst pressure and the effect of the carbon dioxide fractureaccording to the pressure data obtained by the cement test blocks with different strengths and sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827799.1A CN113639596B (en) | 2021-07-21 | 2021-07-21 | System and method for testing bursting pressure and effect of carbon dioxide fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110827799.1A CN113639596B (en) | 2021-07-21 | 2021-07-21 | System and method for testing bursting pressure and effect of carbon dioxide fracturing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113639596A true CN113639596A (en) | 2021-11-12 |
| CN113639596B CN113639596B (en) | 2022-11-01 |
Family
ID=78417972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110827799.1A Active CN113639596B (en) | 2021-07-21 | 2021-07-21 | System and method for testing bursting pressure and effect of carbon dioxide fracturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113639596B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6220557B1 (en) * | 1999-09-28 | 2001-04-24 | Michael P. Ziaylek | Mounting bracket means for detachably supporting a generally cylindrically-shaped member upon a wall surface |
| CN105180729A (en) * | 2015-08-05 | 2015-12-23 | 河北亿科金属制品有限公司 | Flying stopper for carbon dioxide fracturer |
| CN106769551A (en) * | 2016-12-28 | 2017-05-31 | 中南大学 | The fracturing pressure measuring unit and method of a kind of carbon dioxide fracturing device |
| CN109916248A (en) * | 2019-04-22 | 2019-06-21 | 河北裕隆机械有限责任公司 | Flying stopper for carbon dioxide cracking device |
| CN110044952A (en) * | 2019-04-29 | 2019-07-23 | 中国地质大学（武汉） | A kind of carbon dioxide phase transformation venting of dust explosion temperature and pressure test macro and its test method |
| CN110261019A (en) * | 2019-05-24 | 2019-09-20 | 中国地质大学（武汉） | A kind of carbon dioxide phase transformation fracturing pressure test device |
| CN209706673U (en) * | 2019-04-22 | 2019-11-29 | 河北裕隆机械有限责任公司 | Flying stopper for carbon dioxide cracking device |
| CN110926970A (en) * | 2019-11-19 | 2020-03-27 | 中交第二公路勘察设计研究院有限公司 | Prefabricated structure surface concrete single-hole blasting test device and test method |
| CN110939441A (en) * | 2019-12-03 | 2020-03-31 | 中国地质大学（武汉） | Carbon dioxide phase change fracturing device with fly stopper |
| CN210597285U (en) * | 2019-07-10 | 2020-05-22 | 广西建工集团第二安装建设有限公司 | Construction device for ground photovoltaic upright post cast-in-place reinforced concrete pile |
| CN212153367U (en) * | 2019-12-31 | 2020-12-15 | 江苏景源万河环境科技有限公司 | Sleeve type variable-diameter steel reinforcement cage and expanded anchor rod pile |
-
2021
- 2021-07-21 CN CN202110827799.1A patent/CN113639596B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6220557B1 (en) * | 1999-09-28 | 2001-04-24 | Michael P. Ziaylek | Mounting bracket means for detachably supporting a generally cylindrically-shaped member upon a wall surface |
| CN105180729A (en) * | 2015-08-05 | 2015-12-23 | 河北亿科金属制品有限公司 | Flying stopper for carbon dioxide fracturer |
| CN106769551A (en) * | 2016-12-28 | 2017-05-31 | 中南大学 | The fracturing pressure measuring unit and method of a kind of carbon dioxide fracturing device |
| CN109916248A (en) * | 2019-04-22 | 2019-06-21 | 河北裕隆机械有限责任公司 | Flying stopper for carbon dioxide cracking device |
| CN209706673U (en) * | 2019-04-22 | 2019-11-29 | 河北裕隆机械有限责任公司 | Flying stopper for carbon dioxide cracking device |
| CN110044952A (en) * | 2019-04-29 | 2019-07-23 | 中国地质大学（武汉） | A kind of carbon dioxide phase transformation venting of dust explosion temperature and pressure test macro and its test method |
| CN110261019A (en) * | 2019-05-24 | 2019-09-20 | 中国地质大学（武汉） | A kind of carbon dioxide phase transformation fracturing pressure test device |
| CN210597285U (en) * | 2019-07-10 | 2020-05-22 | 广西建工集团第二安装建设有限公司 | Construction device for ground photovoltaic upright post cast-in-place reinforced concrete pile |
| CN110926970A (en) * | 2019-11-19 | 2020-03-27 | 中交第二公路勘察设计研究院有限公司 | Prefabricated structure surface concrete single-hole blasting test device and test method |
| CN110939441A (en) * | 2019-12-03 | 2020-03-31 | 中国地质大学（武汉） | Carbon dioxide phase change fracturing device with fly stopper |
| CN212153367U (en) * | 2019-12-31 | 2020-12-15 | 江苏景源万河环境科技有限公司 | Sleeve type variable-diameter steel reinforcement cage and expanded anchor rod pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113639596B (en) | 2022-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110261019B (en) | Carbon dioxide phase transition fracturing pressure testing device | |
| CN110865012B (en) | Rock material in-situ seepage measurement system and method based on Hopkinson bar | |
| KR20080039221A (en) | Apparatus for measuring in-situ stress of rock using thermal crack | |
| CN110926970A (en) | Prefabricated structure surface concrete single-hole blasting test device and test method | |
| CN109056848B (en) | Full-length anchoring anchor rod drawing test device and test method | |
| CN210071193U (en) | Carbon dioxide phase change fracturing pressure testing device | |
| CN113339071B (en) | Method for detecting pre-splitting blasting damage degree and range of top plate | |
| CN105486523A (en) | Allowance test assessment method for mild detonation fuse separation device | |
| CN113049394A (en) | Experimental device and method for simulating hydraulic fracturing of hard roof rock stratum of coal mine | |
| CN108896415B (en) | Rock mass creep impact test method | |
| CN113639596B (en) | System and method for testing bursting pressure and effect of carbon dioxide fracturing device | |
| CN113703037B (en) | Industrial detonator data acquisition method for blasting operation site | |
| CN112414852B (en) | System and method for testing dynamic damage performance of water-containing fracture | |
| CN108398342A (en) | The acoustic emission test device and its operating method of a kind of rock mass in high confining pressure unloading | |
| CN108132186B (en) | Method for determining ground stress direction based on conventional single triaxial compression test | |
| CN110578516A (en) | supercritical CO2Method for testing rock mass impact cracking damage under phase change pulse | |
| CN2643300Y (en) | Small-aperture hydrofracturing ground stress test unit | |
| Simioni et al. | Field measurements of snowpack response to explosive loading | |
| CN116642388A (en) | Method for testing gap distance of water-rich crack step blast hole charge | |
| CN113376034B (en) | Simulated formation borehole CO 2 System for testing breaking mechanism of fractured rock sample | |
| CN112364489B (en) | Carbon dioxide blasting construction method for controlling damage and vibration effect of bedrock | |
| Zeng et al. | Experimental study on cavity pressure of carbon dioxide fracturing tube | |
| Gao et al. | Experimental Investigation on Influencing Factors of Rock Fragmentation Induced by Carbon Dioxide Phase Transition Fracturing | |
| CN114323411B (en) | System and method for testing internal pressure of kerf carbon dioxide fracturing device | |
| US10364657B2 (en) | Composite drill gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |