CN114152733A - Indoor experiment system and method for simulating stope filling - Google Patents
Indoor experiment system and method for simulating stope filling Download PDFInfo
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- CN114152733A CN114152733A CN202111629875.4A CN202111629875A CN114152733A CN 114152733 A CN114152733 A CN 114152733A CN 202111629875 A CN202111629875 A CN 202111629875A CN 114152733 A CN114152733 A CN 114152733A
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- 238000002474 experimental method Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title abstract description 8
- 238000004088 simulation Methods 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000010878 waste rock Substances 0.000 abstract description 8
- 238000011160 research Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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Abstract
The invention relates to the technical field of simulated stope filling, in particular to an indoor experimental system and method for simulated stope filling, which comprises a base, wherein four corners of the upper end of the base are respectively provided with a hydraulic jack, the top ends of the hydraulic jacks are respectively provided with a spherical hinge, and the upper end of the spherical hinge is provided with a gangue trough; the outside side of base is provided with the filling pump, and the output of filling pump is connected with two filling pipelines, and the end-to-end connection of one of them filling pipeline has the ground paste silo, and the end and the waste rock silo of another filling pipeline are connected. According to the system, the filling pump, the filling pipeline and the lifting device are constructed, the filling pump is connected with the gangue trough through the filling pipeline, the gangue trough is connected with the lifting device through the spherical hinge, and the change of the three-dimensional angle of the gangue trough is controlled through different power sources, so that the three-dimensional simulation experiment of stope filling at different inclination angles is realized, and the application range is wide.
Description
Technical Field
The invention relates to the technical field of simulated stope filling, in particular to an indoor experimental system and method for simulating stope filling.
Background
Among various mining methods, the filling mining method not only can consume a large amount of solid waste, reduce land occupation and protect the ecological environment, but also the goaf filling body plays an important role in bearing the weight of the overlying rock stratum of the goaf, regulating and controlling the pressure of a stope and controlling the ground surface subsidence.
The laboratory simulation material experiment is one of the technical means for researching the diffusion rule of filling slurry in the stope. It is to use the material similar to the mechanical property of the prototype to shrink into the model according to the geometric similarity constant; forming a gangue filling trough according to rock collapse particles behind a stope hydraulic support, so as to simulate the natural accumulation state and porosity of the collapse gangue in a goaf; adjusting different dip angles (coal face dip angles) of the simulated stope by changing the height of any one hydraulic jack; the frequency change of the motor is controlled by the variable frequency controller, so that the change of the output pressure is realized, and the stope slurry filling under different pressure conditions is simulated. At present, the experimental facilities for simulating the slurry diffusion rule of the stope in a laboratory are rarely reported, the established experimental system can provide technical support for scientific research personnel, and the final research result can provide a basis for an engineering field.
Disclosure of Invention
In order to solve the above-mentioned drawbacks of the background art, the present invention provides an indoor experimental system and method for simulating stope filling.
The purpose of the invention can be realized by the following technical scheme:
an indoor experiment system for realizing simulated stope filling comprises a base, wherein four corners of the upper end of the base are respectively provided with a hydraulic jack, the top ends of the hydraulic jacks are respectively provided with a spherical hinge, and the upper end of the spherical hinge is provided with a gangue trough;
the outside side of base is provided with the filling pump, and the output of filling pump is connected with two filling pipelines, and the end-to-end connection of one of them filling pipeline has the ground paste silo, and the end and the waste rock silo of another filling pipeline are connected.
Furthermore, the hydraulic jack, the spherical hinge and the gangue trough form a model frame.
Furthermore, the joints of the filling pipeline and the slurry tank and the gangue tank and the joints of the filling pipeline and the filling pump are connected through flanges, and the connecting positions of the filling pipeline and the gangue tank are variable.
Furthermore, the surrounding baffle and the sealing cover of the gangue trough are made of transparent materials and used for observing the diffusion rule of the filling slurry in the gangue trough.
Furthermore, the spherical hinge is fixed at the top end of the hydraulic jack and connected with four corners of the gangue trough through bolts.
An indoor experiment method for realizing simulated stope filling comprises the following steps:
s1, adjusting the height of the hydraulic jack according to the experiment requirement to realize the angle change of the gangue trough so as to realize the simulation of different stope inclination angles;
s2, loading gangue particles into a gangue trough according to the composition of the particles, arranging a sensor for monitoring data, covering a sealing cover, and processing the sealing problem at the edge;
s3, connecting a pipeline between the gangue trough and the filling pump, and fixing the angle and the position of the filling pipeline;
s4, connecting a pipeline between the slurry tank and the filling pump, filling a proper amount of water into the slurry tank, performing a water pumping experiment, and confirming that the pipeline has no slurry leakage problem;
s5, feeding the stirred slurry into a slurry tank, and setting the frequency of a filling pump motor;
and S6, starting a filling pump, observing experimental phenomena, and recording data.
The invention has the beneficial effects that:
according to the system, a filling pump, a filling pipeline and a lifting device are constructed, the filling pump is connected with a gangue trough through the filling pipeline, the gangue trough is connected with the lifting device through a spherical hinge, and the change of the three-dimensional angle of the gangue trough is controlled through different power sources, so that the three-dimensional simulation experiment of stope filling at different inclination angles is realized; adjusting different dip angles (coal face dip angles) of the simulated stope by changing the height of any one hydraulic jack; the frequency change of the motor is controlled by the variable frequency controller to realize the change of output pressure so as to simulate stope slurry filling under different pressure conditions; at present, the experimental facilities for simulating the slurry diffusion rule of the stope in a laboratory are rarely reported, the established experimental system can provide technical support for scientific research personnel, the final research result can provide a basis for the engineering field, and the application range is wide.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic side view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
wherein the reference numbers are as follows: 1. the device comprises a base, 2, a hydraulic jack, 3, a spherical hinge, 4, a gangue trough, 5, a filling pipeline, 6, a filling pump, 7, a slurry trough, 8 and a flange plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
An indoor experimental system for realizing simulated stope filling is shown in a figure 1-2 and comprises a base 1, a hydraulic jack 2, a spherical hinge 3, a gangue trough 4, a filling pipeline 5, a filling pump 6, a slurry trough 7 and a flange plate 8.
The outside side of base 1 is provided with filling pump 6, and the output of filling pump 6 is connected with two filling pipeline 5, and the end-to-end connection of one of them filling pipeline 5 has ground paste silo 7, and the end and the waste rock silo 4 of another filling pipeline 5 are connected, and the junction of filling pipeline 5 and ground paste silo 7, waste rock silo 4 and the junction of filling pipeline and with filling pump 6 all are connected through ring flange 8, and wherein the hookup location of filling pipeline 5 and waste rock silo 4 is variable. The filling pump is a variable frequency motor, and the frequency change of the motor is controlled by a variable frequency controller to realize the change of output pressure so as to simulate the stope slurry filling under different pressure conditions.
The periphery of the gangue trough 4 is surrounded by a baffle and a sealing cover which are made of transparent materials and used for observing the diffusion rule of the filling slurry in the gangue trough; the hydraulic jacks 2 are respectively positioned at four corners of the gangue trough 4 and are connected with the base 1 into a whole, so that the whole stability is realized.
The spherical hinge 3 is fixed at the top end of the hydraulic jack 2 and is connected with four corners of the gangue chute 4 through bolts; before the waste rock monitoring device is used, waste rock particles are filled into a waste rock trough 4 according to particle composition, a sensor for monitoring data is arranged, a sealing cover is covered, and the sealing problem at the edge is solved.
An indoor experimental method for realizing simulated stope filling comprises the following steps:
s1, realizing the angle change of the gangue chute 4 by adjusting the height of the hydraulic jack 2 according to the experiment requirement so as to realize the simulation of different stope inclination angles;
s2, loading the gangue particles into a gangue trough 4 according to the particle composition, arranging a sensor for monitoring data, covering a sealing cover, and processing the sealing problem at the edge;
s3, connecting a pipeline between the gangue trough 4 and the filling pump 6, and fixing the angle and the position of the filling pipeline 5;
s4, connecting a pipeline between the slurry tank 7 and the filling pump 6, filling a proper amount of water into the slurry tank 7, performing a water pumping experiment, and confirming that the pipeline has no slurry leakage problem;
s5, feeding the stirred slurry into a slurry tank 7, and setting the frequency of a motor of a filling pump 6;
s6, starting the filling pump 6, observing the experimental phenomenon, and recording the data.
According to the system, the filling pump 6, the filling pipeline 5 and the hydraulic jack 2 are constructed, the filling pump 6 is connected with the gangue trough 4 through the filling pipeline 5, the gangue trough 4 is connected with the hydraulic jack 2 through the spherical hinge 3, and the change of the three-dimensional angle of the gangue trough 4 is controlled through different power sources, so that the three-dimensional simulation experiment of stope filling at different inclination angles is realized.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. An indoor experimental system for realizing simulated stope filling comprises a base (1) and is characterized in that four corners of the upper end of the base (1) are respectively provided with a hydraulic jack (2), the top ends of the hydraulic jacks (2) are respectively provided with a spherical hinge (3), and the upper end of the spherical hinge (3) is provided with a gangue trough (4);
the outer side of the base (1) is provided with a filling pump (6), the output end of the filling pump (6) is connected with two filling pipelines (5), the tail end of one filling pipeline (5) is connected with a slurry trough (7), and the tail end of the other filling pipeline (5) is connected with a gangue trough (4).
2. The indoor experimental system for realizing the filling of the simulated stope is characterized in that the hydraulic jack (2), the spherical hinge (3) and the gangue chute (4) form a model frame.
3. The indoor experimental system for realizing the filling of the simulated stope is characterized in that the joints of the filling pipeline (5) and the slurry tank (7), the gangue tank (4) and the filling pipeline and the filling pump (6) are connected through flanges (8), and the connecting positions of the filling pipeline (5) and the gangue tank (4) are variable.
4. The indoor experimental system for realizing the filling of the simulated stope according to the claim 1, wherein the surrounding baffle of the gangue chute (4) and the sealing cover are made of transparent materials so as to observe the diffusion rule of the filling slurry in the gangue chute.
5. The indoor experimental system for realizing the simulated stope filling according to claim 1, wherein the spherical hinge (3) is fixed at the top end of the hydraulic jack (2) and is connected with four corners of the gangue chute (4) through bolts.
6. An indoor experimental method for realizing the simulated stope filling, which comprises the indoor experimental system for realizing the simulated stope filling as claimed in any one of claims 1 to 5, and is characterized by comprising the following steps:
s1, realizing angle change of the gangue chute (4) by adjusting the height of the hydraulic jack (2) according to experiment requirements so as to realize simulation of different stope inclination angles;
s2, loading gangue particles into a gangue trough (4) according to the composition of the particles, arranging a sensor for monitoring data, covering a sealing cover, and processing the sealing problem at the edge;
s3, connecting a pipeline between the gangue trough (4) and the filling pump (6), and fixing the angle and the position of the filling pipeline (5);
s4, connecting a pipeline between the slurry tank (7) and the filling pump (6), filling a proper amount of water into the slurry tank (7), and performing a water pumping experiment to confirm that the pipeline has no slurry leakage problem;
s5, feeding the stirred slurry into a slurry tank (7), and setting the frequency of a motor of a filling pump (6);
s6, starting the filling pump (6), observing the experimental phenomenon and recording data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629875.4A CN114152733A (en) | 2021-12-28 | 2021-12-28 | Indoor experiment system and method for simulating stope filling |
| ZA2022/08446A ZA202208446B (en) | 2021-12-28 | 2022-07-28 | Indoor experiment system and method for simulating stope filling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629875.4A CN114152733A (en) | 2021-12-28 | 2021-12-28 | Indoor experiment system and method for simulating stope filling |
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| Publication Number | Publication Date |
|---|---|
| CN114152733A true CN114152733A (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111629875.4A Pending CN114152733A (en) | 2021-12-28 | 2021-12-28 | Indoor experiment system and method for simulating stope filling |
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| Country | Link |
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| CN (1) | CN114152733A (en) |
| ZA (1) | ZA202208446B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237462A (en) * | 2014-09-01 | 2014-12-24 | 山东科技大学 | Steep inclined coal bed gangue filling test device and test method |
| CN110821559A (en) * | 2019-11-19 | 2020-02-21 | 中国矿业大学(北京) | System for performing pumping gangue goaf treatment by utilizing conventional fully mechanized mining hydraulic support |
| CN111487166A (en) * | 2020-06-05 | 2020-08-04 | 中煤能源研究院有限责任公司 | Test device and method for simulating three-dimensional flow state of filling slurry in collapse zone |
| CN113029794A (en) * | 2021-03-08 | 2021-06-25 | 中国矿业大学 | Three-dimensional similarity simulation device and method for gangue self-sliding filling in goaf of steep coal seam |
| CN113049780A (en) * | 2021-03-22 | 2021-06-29 | 中国矿业大学 | Testing device and testing method for gangue fluidized filling material |
| CN214584676U (en) * | 2020-11-09 | 2021-11-02 | 中煤能源研究院有限责任公司 | Test device for simulating slurry flow law of goaf caving zone under different inclination angles |
| CN216646510U (en) * | 2021-12-28 | 2022-05-31 | 安徽理工大学 | Indoor experiment system for simulating stope filling |
-
2021
- 2021-12-28 CN CN202111629875.4A patent/CN114152733A/en active Pending
-
2022
- 2022-07-28 ZA ZA2022/08446A patent/ZA202208446B/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237462A (en) * | 2014-09-01 | 2014-12-24 | 山东科技大学 | Steep inclined coal bed gangue filling test device and test method |
| CN110821559A (en) * | 2019-11-19 | 2020-02-21 | 中国矿业大学(北京) | System for performing pumping gangue goaf treatment by utilizing conventional fully mechanized mining hydraulic support |
| CN111487166A (en) * | 2020-06-05 | 2020-08-04 | 中煤能源研究院有限责任公司 | Test device and method for simulating three-dimensional flow state of filling slurry in collapse zone |
| CN214584676U (en) * | 2020-11-09 | 2021-11-02 | 中煤能源研究院有限责任公司 | Test device for simulating slurry flow law of goaf caving zone under different inclination angles |
| CN113029794A (en) * | 2021-03-08 | 2021-06-25 | 中国矿业大学 | Three-dimensional similarity simulation device and method for gangue self-sliding filling in goaf of steep coal seam |
| CN113049780A (en) * | 2021-03-22 | 2021-06-29 | 中国矿业大学 | Testing device and testing method for gangue fluidized filling material |
| CN216646510U (en) * | 2021-12-28 | 2022-05-31 | 安徽理工大学 | Indoor experiment system for simulating stope filling |
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| ZA202208446B (en) | 2022-11-30 |
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