CN206146922U - Analogue test system is mineed, is filled to deep coal seam strip - Google Patents
Analogue test system is mineed, is filled to deep coal seam strip Download PDFInfo
- Publication number
- CN206146922U CN206146922U CN201621195155.6U CN201621195155U CN206146922U CN 206146922 U CN206146922 U CN 206146922U CN 201621195155 U CN201621195155 U CN 201621195155U CN 206146922 U CN206146922 U CN 206146922U
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- rock stratum
- water
- coal seam
- rock
- pneumatophore
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Abstract
The utility model discloses an analogue test system is mineed, is filled to deep coal seam strip relates to evolution of deep rock mass crack and the field of water disaster prevention and cure suddenly. It has been solved among the prior art the rock mass of deep high pressure -bearing coal seam on water exploitation break law, crack evolution characteristic and fill and prevent the basic research who suddenly combines together this major issue not enough relatively. Its testing system includes bearing box, test model, filling system, and test model is located bearing box, and test model includes rock stratum and the coal seam that is arranged in the rock stratum, and the rock stratum is laid by similar material and is formed, is equipped with water seal device around the rock stratum, at the inside a plurality of plastics balls burying a plurality of sensors underground and be equipped with the calcium oxide granule in rock stratum, arrange through a plurality of loading pneumatophores and simulate in the coal seam. The utility model discloses testing system can simulate the difference and adopt and stay ratio, difference to adopt the exploitation of thick coal seam, and still can study the difference and adopt and stay ratio, difference to adopt high seam exploitation back, and the atress and the displacement law of goaf filling houding bottom plate.
Description
Technical field
The utility model is related to deep rock mass crack and develops and water bursting disaster preventing and treating aspect, and in particular to deep fractures band
Exploitation, filling simulation test system.
Background technology
The evolution of base of deep part rock cranny and hydraulic coupling action are the essential reasons for causing water gush face.Research is deep
Portion's floor rock rupture has science with safe working and water bursting disaster evaluation of the crack Evolution to coal seam on artesian water
Directive significance.The gushing water statistics in existing mining area shows that more than 80% gushing water event is relevant with rift structure, and gushing water is complete
Seldom occur under the conditions of chassis assembly.High-ground stress, exploitation disturbance and high artesian are easier to cause the activation of base plate tomography, cause
Rock masses fracturing unstability, forms the upper conduit pipe of artesian water.Therefore, should focus on to study the evolution of crack of the deep containing tomography base plate
Rule and failure mechanism.
Both at home and abroad many scholars have done substantial amounts of research work to the floor crack Evolution of seam mining on artesian water,
A series of fruitful achievements are achieved, but the base plate rupture rule and crack to seam mining on the high artesian of deep develops
Feature lacks the basic research of system, now needs badly and sets up a set of Pitwater disaster prevention based on deep complex environment and prevent and treat
Theoretical system.
Utility model content
Task of the present utility model is just to provide a kind of deep fractures Striping noise, filling simulation test system, the test
System can simulate difference adopts and stays ratio, difference to adopt thick seam mining, can also study difference and adopts and stay ratio, difference to adopt thick coal-layer mining
Afterwards, the stress of roof and floor and change in displacement rule and after goaf filling.
Its technical solution includes：
A kind of deep fractures Striping noise, filling simulation test system, it include bearing box, test model, filling system,
Loading system, water under high pressure osmotic system and IR detection system, the test model is located in the bearing box, the loading
System is used to carry out the test model vertical and lateral loading, and the test model includes rock stratum and the coal in rock stratum
Layer, the rock stratum is formed by analog material laying, and the rock stratum is formed around sealing water device, is embedded with inside the rock stratum many
Individual sensor and the multiple baton rounds equipped with calcium oxide particle；
The coal seam is formed by several stand under load pneumatophore arrangements, and each stand under load pneumatophore is by respective breather pipe and institute
Filling system connection is stated, the seam mining of different mining heights is simulated by the extraction of gas flow in control stand under load pneumatophore, passed through
The stand under load pneumatophore of extraction different interval position is simulating difference and adopt wide and stay wide seam mining；
The IR detection system releases exothermic position in the rock stratum for spy, to obtain artesian water flowing
The process that conduit pipe path is formed；
The bottom of the bearing box is distributed with several water seepage holes, and the water under high pressure osmotic system connects with the water seepage hole
It is logical.
As one of the present utility model preferably, the frame structure that the sealing water device converts into for elastomeric material, institute
Shape, size and the rock stratum periphery size for stating framework matches, and is set to the contact surface of rock stratum on the inside of the elastomeric material
Zigzag.
As it is of the present utility model another preferably, the filling system includes force (forcing) pump, water tank and blending bunker, the water
Case is connected with the blending bunker, and the blending bunker is connected with force (forcing) pump, and the force (forcing) pump is logical with each stand under load pneumatophore
Tracheae connects.
Preferably, the sensor and the baton round equipped with calcium oxide particle are embedded in the different depth position of within the rock
Put.
The Advantageous Effects that the utility model is brought：
The utility model proposes deep fractures Striping noise, filling simulation test system in, especially to rock stratum and coal seam
Do and cleverly designed, be embedded with multiple sensors and the multiple baton rounds equipped with calcium oxide particle inside rock stratum, also, often
Individual sensor, baton round are distributed in the different depth of rock stratum, in artesian water Jing conduit pipes in the flow process of goaf, leaching
Calcium oxide particle in the wet baton round being arranged in rock stratum, calcium oxide reacts and discharges heat, using infrared detecting set
The position for discharging heat can be visited, the process that the conduit pipe path of artesian water flowing is formed can be obtained；By multiple by carrier gas
Utricule arranges to simulate coal seam, and by the pneumatophore of extraction different interval position, simulation difference is adopted wide and stays wide seam mining,
Can study difference adopt stay than seam mining after roof and floor stress and change in displacement rule；Filling system is filled to different positions
After the pneumatophore put, the stress and change in displacement rule of roof and floor after diverse location filling can be studied.
Description of the drawings
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the utility model deep fractures Striping noise, filling simulation test system structural representation；
Fig. 2 is laying rock stratum (before seam mining) schematic diagram；
Fig. 3 is seam mining process (gas in extraction pneumatophore) schematic diagram；
Fig. 4 is system shell (bearing box) schematic diagram；
Fig. 5 is armorplate glass schematic diagram；
Fig. 6 is filling system schematic diagram；
Fig. 7 is seal water structure schematic diagram；
Fig. 8 is sealing water device schematic diagram；
Fig. 9 is the baton round schematic diagram equipped with calcium oxide particle；
Figure 10 is sensor distribution schematic diagram；
In figure, 1, rock stratum, 2, coal seam, 3, stand under load pneumatophore, 4, bearing box, 5, filling system, 51, force (forcing) pump, 52, water
Case, 53, blending bunker, 531, ground feed bin one, 532, ground feed bin two, 533, ground feed bin three, 6, loading system, 7, water under high pressure
Osmotic system, 8, IR detection system, 9, information acquisition system, 10, sealing water device, 11, sensor, 12, baton round, 13,
Water seepage hole, 14, breather pipe.
Specific embodiment
The utility model discloses a kind of deep fractures Striping noise, filling simulation test system, in order that this practicality is new
The advantage of type, technical scheme are clearer, clear and definite, and the utility model is elaborated with reference to specific embodiment.
The utility model deep fractures Striping noise, filling simulation test system, as shown in figure 1, including bearing box 4, examination
Model, filling system 5, loading system 6, water under high pressure osmotic system 7, IR detection system 8 and information acquisition system 9 are tested, is tried
Test model to be laid in bearing box 4, so bearing box 4 is semi-open-type, when model laying to be tested completes to be loaded, use steel
Change glass to seal open type part, with the displacement of limit assay model.
Loading system 6 is used to carry out test model vertical and lateral loading, and its concrete structure uses for reference prior art
Realize, such as by servo system control, by oil cylinder imposed load to rock stratum.As shown in figure 4, arranging in the bottom of bearing box 4
There are several water seepage holes 13, water under high pressure osmotic system 7 injects water under high pressure to study the crack of base of deep part from these water seepage holes
Evolution and failure mechanism.
Main improvement of the present utility model is the design in rock stratum and coal seam, with reference to shown in Fig. 2 and Fig. 3, positioned at carrying
Test model in case 4 includes being located at the rock stratum 1 and the coal seam 2 above rock stratum of bottom, and rock stratum 1 is by analog material laying
Into, carrying out the laying of rock stratum after such as by a certain percentage mixing sand, calcium carbonate, gypsum, water, the mixture of different proportion can be with
The rock stratum of simulation different lithology, such as mud stone, sandstone, limestone, the water-resisting floor of rock stratum adopts solid＆liquid couple material, by stone
Wax, vaseline, river sand, calcium carbonate, hydraulic oil are laid after mixing according to a certain ratio, in the process of deployment of rock stratum, rock stratum
Internal pre- embedded multiple sensors 11 and the multiple baton rounds 12 equipped with calcium oxide particle, the structure of baton round 12 as shown in figure 9,
Rock stratum 1 is formed around sealing water device 10, and as shown in Figure 10, sensor is same level but different deep in the position of within the rock
Degree, baton round is also same level but different depth in the position of within the rock, and the purpose that sensor is so arranged is monitoring top
Three received strength and infiltration hydraulic pressure size at base plate different depth, sensor can realize a certain position rock stratum three received strength and water
The detection of the size of pressure, realizes the function of one-object-many-purposes.
Coal seam arranges laying to simulate by multiple stand under load pneumatophores 3, by the pneumatophore of extraction different interval position, simulation
Difference is adopted wide and stays wide seam mining, can study difference adopt stay than seam mining after roof and floor stress and change in displacement
After gas in rule, such as stand under load pneumatophore 3 is completely drawn out, you can simulation goaf, with reference to shown in Fig. 3, Fig. 5 and Fig. 6, each
Stand under load pneumatophore is connected by respective breather pipe 14 with filling system 5, by the extraction of gas flow in control stand under load pneumatophore 3
To simulate the seam mining of different mining heights, difference is simulated by the stand under load pneumatophore of extraction different interval position and is adopted wide and is stayed width
Seam mining；In conjunction with above-mentioned baton round built with calcium oxide particle, flow over to goaf in artesian water Jing conduit pipes
Cheng Zhong, soaks the calcium oxide particle in the hollow plastic ball being arranged in rock stratum, and calcium oxide reacts and discharges heat, utilizes
IRDS 8 can detect the position of release heat, obtain the process that the conduit pipe path of artesian water flowing is formed.
In order to realize sealing when gushing on artesian water, sealing water device 10 is formed around in rock stratum 1, with reference to Fig. 7 and Fig. 8 institutes
Show, the sealing water device is the frame-shaped construction converted into by flexible material, intersect fixation in folding section, approximate waistband is consolidated
Fixed place, flexible material such as flexible rubber material makes the embedded base plate vicinity rock stratum of spiculation near rock stratum side.
As shown in figure 4, several water seepage holes 13, water under high pressure osmotic system 7 and water seepage hole is distributed with the bottom of bearing box 4
13 connections.As shown in fig. 6, the filling system being connected with stand under load pneumatophore 3 includes force (forcing) pump 51, water tank 52, blending bunker 53, ground
Feed bin 1, ground feed bin 2 532 and ground feed bin 3 533, by ground feed bin one, ground feed bin two and ground feed bin two
Respective material is passed through in blending bunker, premix is realized, agitating device can be arranged if necessary material is stirred, blending bunker
One end connects with water tank 52, and the other end is connected with force (forcing) pump 51, and material is fills up in stand under load air bag body.
The method of operating of above-mentioned pilot system is elaborated below.
Specifically include following steps：
Step one, sand, calcium carbonate, gypsum, water are mixed by a certain percentage after carry out rock stratum laying (different proportion
Mixture can simulate the rock stratum of different lithology, such as mud stone, sandstone, limestone), water-resisting floor adopts new solid＆liquid couple material
Material (paraffin, vaseline, river sand, calcium carbonate, hydraulic oil) is laid after mixing according to a certain ratio；
In step 2, process of deployment, some sensors are placed in the same level of Seam Roof And Floor different depth, be used for
Three received strength and infiltration hydraulic pressure size at monitoring roof and floor different depth；If placing in the same level of base plate different depth
Dry baton round, ball is contained within aoxidizing calcoglobule, when being routed to coal seam layer position, laying pneumatophore simulation coal seam；
After the completion of step 3, model laying, place it in bearing box 4, and its displacement is limited with safety glass, apply to hang down
Straight load and lateral load, to laying rock stratum vertical and lateral loading is carried out, and simulates the stress of deep coal rock layer；
Step 4, the exploitation that coal seam is simulated by the gas of extraction inside air bag, release how many simulation coal seams of gas flow
Mining height；
Step 5, after gas emptying in each stand under load air bag body represent seam mining and terminate, using filling system
Ground feeding warehouse one, ground feeding warehouse two and the interior injection filler of ground each stand under load air bag body of feeding warehouse three-dimensional so that receive
Carrier gas utricule volume increases, and bashing studies difference after the stand under load pneumatophore of filled system charge to diverse location
The stress and change in displacement rule of roof and floor after the filling of position；
Step 6, the water seepage hole positioned at loading bottom portion are connected with water under high pressure osmotic system, artesian water Jing conduit pipes to
In the flow process of goaf, the calcium oxide particle in the baton round being arranged in rock stratum is soaked, calcium oxide reacts and discharges
Heat, now can visit the position for discharging heat using infrared detecting set, obtain the conduit pipe path shape of artesian water flowing
Into process.
It should be noted that any equivalent way that those skilled in the art are made under the teaching of this specification, or
Obvious variant all should be in protection domain of the present utility model.
Claims (4)
1. a kind of deep fractures Striping noise, filling simulation test system, it include bearing box, test model, filling system, plus
Loading system, water under high pressure osmotic system and IR detection system, the test model is located in the bearing box, the loading system
Unite for carrying out vertical and lateral loading to the test model, it is characterised in that：
The test model includes rock stratum and the coal seam in rock stratum, and the rock stratum is formed by analog material laying, the rock
Layer be formed around sealing water device, multiple sensors and the multiple plastics equipped with calcium oxide particle are embedded with inside the rock stratum
Ball；
The coal seam is formed by several stand under load pneumatophore arrangements, and each stand under load pneumatophore is filled by respective breather pipe with described
System connection is filled out, the seam mining of different mining heights is simulated by the extraction of gas flow in control stand under load pneumatophore, by extraction
The stand under load pneumatophore of different interval position is simulating difference and adopt wide and stay wide seam mining；
The IR detection system releases exothermic position in the rock stratum for spy, to obtain the water guide of artesian water flowing
The process that channel path is formed；
The bottom of the bearing box is distributed with several water seepage holes, and the water under high pressure osmotic system is connected with the water seepage hole.
2. deep fractures Striping noise according to claim 1, filling simulation test system, it is characterised in that：The envelope
The frame structure that water installations convert into for elastomeric material, the shape of the framework, the peripheral size of size and rock stratum match,
The elastomeric material inner side is set to zigzag with the contact surface of rock stratum.
3. deep fractures Striping noise according to claim 1, filling simulation test system, it is characterised in that：It is described to fill
System is filled out including force (forcing) pump, water tank and blending bunker, the water tank is connected with the blending bunker, the blending bunker and force (forcing) pump phase
Connection, the force (forcing) pump is connected with the breather pipe of each stand under load pneumatophore.
4. deep fractures Striping noise according to claim 1, filling simulation test system, it is characterised in that：The biography
Sensor and the baton round equipped with calcium oxide particle are embedded in the different depth position of within the rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195155.6U CN206146922U (en) | 2016-11-04 | 2016-11-04 | Analogue test system is mineed, is filled to deep coal seam strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195155.6U CN206146922U (en) | 2016-11-04 | 2016-11-04 | Analogue test system is mineed, is filled to deep coal seam strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146922U true CN206146922U (en) | 2017-05-03 |
Family
ID=58624381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195155.6U Expired - Fee Related CN206146922U (en) | 2016-11-04 | 2016-11-04 | Analogue test system is mineed, is filled to deep coal seam strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146922U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405045A (en) * | 2016-11-04 | 2017-02-15 | 山东科技大学 | Deep seam strip mining and filling simulation test system and method |
| CN107643244A (en) * | 2017-11-02 | 2018-01-30 | 四川农业大学 | A kind of concrete impermeability test device |
| CN108414311A (en) * | 2018-02-14 | 2018-08-17 | 中联煤层气有限责任公司 | Consider the preparation method of the coal measures payzone group pressure break object mould sample of intermediate zone |
| CN110646280A (en) * | 2019-09-03 | 2020-01-03 | 山东大学 | Test system and method suitable for coal seam mining and filling simulation |
| CN110763423A (en) * | 2019-10-18 | 2020-02-07 | 中国矿业大学 | Spontaneous goaf temperature distribution rapid simulation experiment device and method |
| CN114755391A (en) * | 2022-04-15 | 2022-07-15 | 长沙矿山研究院有限责任公司 | Method for simulating complex goaf of mine based on physical model test |
| CN114994287A (en) * | 2022-08-04 | 2022-09-02 | 中国矿业大学(北京) | Three-dimensional physical model coal bed automatic mining device and test method |
-
2016
- 2016-11-04 CN CN201621195155.6U patent/CN206146922U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405045A (en) * | 2016-11-04 | 2017-02-15 | 山东科技大学 | Deep seam strip mining and filling simulation test system and method |
| CN107643244A (en) * | 2017-11-02 | 2018-01-30 | 四川农业大学 | A kind of concrete impermeability test device |
| CN108414311A (en) * | 2018-02-14 | 2018-08-17 | 中联煤层气有限责任公司 | Consider the preparation method of the coal measures payzone group pressure break object mould sample of intermediate zone |
| CN108414311B (en) * | 2018-02-14 | 2020-08-11 | 中联煤层气有限责任公司 | Preparation method of coal-series stratum-layer fracturing object model sample considering transition zone |
| CN110646280A (en) * | 2019-09-03 | 2020-01-03 | 山东大学 | Test system and method suitable for coal seam mining and filling simulation |
| CN110763423A (en) * | 2019-10-18 | 2020-02-07 | 中国矿业大学 | Spontaneous goaf temperature distribution rapid simulation experiment device and method |
| CN114755391A (en) * | 2022-04-15 | 2022-07-15 | 长沙矿山研究院有限责任公司 | Method for simulating complex goaf of mine based on physical model test |
| CN114994287A (en) * | 2022-08-04 | 2022-09-02 | 中国矿业大学(北京) | Three-dimensional physical model coal bed automatic mining device and test method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20211104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |