CN106483267B - A kind of moulded coal true to nature and gas outburst simulation test device and method - Google Patents

A kind of moulded coal true to nature and gas outburst simulation test device and method Download PDF

Info

Publication number
CN106483267B
CN106483267B CN201610903360.1A CN201610903360A CN106483267B CN 106483267 B CN106483267 B CN 106483267B CN 201610903360 A CN201610903360 A CN 201610903360A CN 106483267 B CN106483267 B CN 106483267B
Authority
CN
China
Prior art keywords
gas
coal
stress
sealing
cover board
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.)
Active
Application number
CN201610903360.1A
Other languages
Chinese (zh)
Other versions
CN106483267A (en
Inventor
刘晓斐
王恩元
欧建春
王笑然
何学秋
李忠辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
The large Mine Safety Technology of Xuzhou chats and equipment research and development centre
China University of Mining and Technology CUMT
Original Assignee
Xuzhou Zhongkuang Dakuangshan Safety Technology And Equipment Research And Development Center
China University of Mining and Technology CUMT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xuzhou Zhongkuang Dakuangshan Safety Technology And Equipment Research And Development Center, China University of Mining and Technology CUMT filed Critical Xuzhou Zhongkuang Dakuangshan Safety Technology And Equipment Research And Development Center
Priority to CN201610903360.1A priority Critical patent/CN106483267B/en
Publication of CN106483267A publication Critical patent/CN106483267A/en
Application granted granted Critical
Publication of CN106483267B publication Critical patent/CN106483267B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22Fuels, explosives
    • G01N33/222Solid fuels, e.g. coal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22Fuels, explosives
    • G01N33/225Gaseous fuels, e.g. natural gas

Abstract

A kind of moulded coal true to nature and gas outburst simulation test device and method, it is lower with roof movement, energy transfer and gas sustainable supply by stress, gas pressure effect, coal body there are mechanics three with, by top plate effect and gas subregion distribution characteristics, and then compare coal and gas prominent evolutionary process in front of real simulation working face.Device by bracket, cavity, cover board, stress loading system, fill gas train, reference record system and sealing and form.By oil cylinder subregion loading simulation three with stress, different-thickness and the cover board of rigidity simulate top plate, pass through the sealing strip sealing gas between cover board and cavity, make gas subregion can be kept to be distributed, it is sealed by sieve and simulates exposure coal wall postponing bursting, closed sealing throws open simulation stone door punching coal and protrudes, and melted paraffin wax or borehole simulation driving protrude.Coal and gas prominent environment, influence factor, boundary condition and evolution generating process can be simulated realistically, also stress and gas coupling and evolutionary process by analog lane.

Description

A kind of moulded coal true to nature and gas outburst simulation test device and method
Technical field
The present invention relates to a kind of coal and gas prominent simulation test device and method, especially a kind of moulded coal true to nature and gas Prominent simulation test device and method.
Background technique
The coal rock dynamic disasters such as coal (rock) and gas (methane or carbon dioxide) protrusion, coal and gas extrusion, bump It is the major casualty of high methane and deep coalmine exploitation.With the increasing of mine excavation depth and mining rate, mine gas is prominent Out, the coal rock dynamic disasters such as bump are on the rise and complexity, disasters danger significantly increase, while original some without dynamic Power disaster or the unconspicuous mine of sign also gradually show now, and the life security and mine for seriously threatening underground labour are just Often production.
Both at home and abroad prominent mechanism, influence factor, pests occurrence rule, outburst prediction and prevention and treatment aspect largely grind Study carefully, makes great progress and preventive effect.But the coal constantly occurred shows that coal and gas prominent mechanism is non-with gas accident Often complicated, influence factor is numerous, its major influence factors basic research understands at present, but prominent various factors coupling process, evolution Process etc. is still unclear.
In recent years, domestic that prominent simulation test is increasingly paid attention to.Experimental provision from small-sized to medium-sized and large-scale development, by Load balance is loaded to subregion to be developed.How stress and gas by front of the practical coal mine work area of truer simulation or lane Coupling, evolutionary process and environment on coalface, prominent process, have Railway Project to need to solve: (1) can simulate different top plates Carrying effect and stress, energy release and transfer process;(2) it is (original with " three bands " of development process that prominent evolution can be simulated Stress zone, extending stress band and release drainage) evolutionary process and effect;(3) the subregion distribution of gas in front of working face can be simulated Characteristic, gas pressure and content are low in release drainage, and gas pressure is high in extending stress band;(4) postponing bursting disaster can be simulated And process;(5) the subarea management effect and its evolutionary process of stress and gas can be simulated;(5) it comprehensive monitoring and can disclose Various response signals and changes in distribution rule, and then further disclose coal seam with gas deformation fracture and prominent evolutionary process.
Summary of the invention
Technical problem: the present invention be directed to demand and problems of the prior art, provide a kind of moulded coal true to nature with watt This protrudes simulation test device and method, solves stress and gas by the practical coal mine work area front of truer simulation or lane The problem of coupling, evolutionary process, prominent process and response signal comprehensive monitoring.
Technical solution: realize that the moulded coal true to nature of the object of the invention and gas outburst simulation test device include: bracket, chamber Body, stress loading system, fills gas train, reference record system and sealing at cover board;Bottom is fixed with cavity in bracket, There is cover board in upside in cavity, is connected with stress loading system on the cover board;There is sealing in one end of cavity, on the side wall of cavity Have and fill gas interface and monitoring sensor installation port, monitoring sensor is connect with reference record system.
The cover board is the force transmitting board that a periphery has sealing strip, by the material, thickness and the rigidity mould that select cover board The roof of quasi- different-thickness and intensity, top plate is thicker, harder, and top plate is stronger to the effect of coal body, and stress in coal bed is concentrated Degree is higher, and it is bigger that intensity occurs for dynamic disaster.
The cavity is the U-type groove of an inner wall smooth, and facade has an opening on front side of U-type groove length direction, simulates tunnel Section, in the outer installation sealing of opening and sealing sealing ring;U-type groove internal upper part has cover board, arranges on rear side of U-type groove with another two side elevation Have and multiple fills gas interface and sensor installation port;Device coal body sample and gas is filled in U-type groove;Pass through the lid of side edge thereof Sealing gas between plate sealing strip, sealing sealing ring and cavity makes gas cannot be by coal body periphery freedom in addition to coal body seepage flow Space intercommunication keeps the distribution of different location gas subregion;Gas mouth sustainable supply on rear side of U-type groove, simulation are kept during prominent Coal mine coal-bed gas sustainable supply.
The gas train of filling includes gas gas source, pressure reducing valve, pressure and flow divider valve and gas pipe, and gas pipe connects Connect filling on gas interface in U-type groove;Gas is confessed from gas gas source, passes through pressure reducing valve decompression, pressure and flow divider valve It adjusts, from the gas interface of gas pipe and different location, into cavity, coal body fills the gas of different pressures.
The sealing further includes open-type and the sealing of sieve type, and open-type simulates tunnel postponing bursting and drilling, driving It induces and protrudes, sieve sealing moment, which opens, simulates exposure coal wall driving protrusion, also analog drilling spray orifice and crossdrift gas drainage under suction Exposed coal is prominent afterwards.
The reference record system, including at least multiple stress in coal bed, deformation, the temperature for being installed on U-type groove different location Degree, gas pressure, flow velocity, sound emission, electromagnetic radiation and electric potential signal sensor, each sensor are connect with acquisition and recording instrument.It is logical The distribution and variation for monitoring and analyzing each monitoring parameters are crossed, the various index response patterns of prominent evolutionary process are disclosed, including is answered Power Evolution, crack Evolution, temperature changing regularity, gas pressure and flow field Evolution, current potential Evolution and its Correlativity.
The stress loading system includes gusset, hydraulic cylinder, transverse slide and load bearing cross beam, the liquid Compressing cylinder at least 6, the upper end of hydraulic cylinder is connect with transverse slide, and transverse slide is connected to load bearing cross beam On, transverse slide is connected in bracket, and the lower end of hydraulic cylinder is connect by gusset with cover board;Stress loading system is logical It crosses cover board to load to coal body, release drainage-extending stress band-primitive stress band coal and rock three can be simulated and added with curve stress It carries;Hard lid is passed through when coal mass relief is destroyed near front openings to coal body or coal seam with gas coupling load by cover board Plate shifts stress and energy to deep, and extending stress band stress increases, and stress gradient increases, and makees to coal body mechanics near coal wall With enhancing, acted on than more accurately simulating top plate.
The sealing is connected by a hinge in the opening side of U-type groove, and sealing sealing is connected in U-type groove opening Circle, is connected with the quick-opening device of sealing in the opening other side of U-type groove;The sealing have hermetic type sealing, paraffin channel closure, Open-type sealing and the sealing of sieve type;Wherein, it is prominent to throw open simulation stone door punching coal for hermetic type sealing;The stone Ceratuba sealing fusing simulation driving protrudes;The open-type sealing simulation tunnel postponing bursting and drilling, driving are induced and are protruded; The described sieve type sealing moment, which opens, simulates exposure coal wall driving and protrudes, also after analog drilling spray orifice and crossdrift gas drainage under suction Exposed coal is prominent.
Moulded coal true to nature and gas outburst simulation test method:
(1) before testing, top plate type is selected first, determines cover plate materials, thickness and rigidity, selects prominent test type, Determine closure types;
(2) before filling sample, first stress loading system and cover board are removed, first with hermetic type sealing or paraffin pipe in front of U-type groove Sealing, coal sample is packed into, moulded coal, which need to repeatedly coaling, is compacted into molding coal sample, and raw coal need to make processing sealed around;
(3) before loading, load cover board and sample contacts are kept, then each region starts to be loaded onto given applied stress;
(4) load after the completion of, it is each fill gas mouth by setting pressure and flow be filled with gas, reach adsorption equilibrium;It needs When sieve type being wanted to seal, it should be ensured that stress and gas pressure are not enough to protrude, and slowly open hermetic type sealing, are changed to sieve type Sealing, further according to needing increasing stress and gas pressure;
(5) it according to coal body, stress, Gas explosion burns and accordingly seals, open mode, simulate corresponding prominent test process; When not occurring prominent, gas pressure or stress can be continued growing, until protruding;
(6) gas filled to test coal body, after balance, rezone loading stress, Observable and analyze subregion gas pressure with The relationship of stress;
(7) by various underlying parameters variation can simulate realistically live coal and gas prominent environment, influence factor, Boundary condition and evolution and generating process, simulation lane side stress and gas coupling and evolutionary process, by monitoring and analyzing The distribution and variation of each monitoring parameters, disclose the various index response patterns of prominent evolutionary process, including stress Evolution, split Gap Evolution, temperature changing regularity, gas pressure and flow field Evolution, current potential Evolution and its correlativity.
Beneficial effect, by adopting the above-described technical solution, lower living with top plate by stress, methane pressure gradient effect Dynamic, energy transfer and gas sustainable supply, coal body there are mechanics three with, by top plate effect and gas subregion distribution characteristics, in turn Compare loaded coal body in front of real simulation working face, destruction, coal and gas prominent evolution and development process.The present invention passes through oil cylinder For subregion loading simulation three with stress, the cover board of different-thickness and rigidity simulates top plate, can be than more accurately simulating working face before The effect of top plate and the transmitting effect to stress, energy by the lane Fang Huo;Pass through the sealing ring sealing bearing bush between cover board, sealing and cavity This and subregion fill gas, and gas is made subregion can be kept to be distributed, and can be distributed than more accurately simulating the subregion of gas in coal wall;It is logical It crosses hermetic type sealing and throws open that simulation stone door punching coal is prominent, and paraffin channel closure fusing simulation driving protrudes, open-type seal mould Quasi- tunnel postponing bursting is induced with drilling, driving to be protruded, and sieve type sealing moment, which opens, simulates exposure coal wall driving protrusion, can also Exposed coal is prominent after simulation drilling spray orifice and crossdrift gas drainage under suction, can simulate various protrusions and composite power phenomenon;It realizes complete Space, overall process and multi signal high speed detection, monitoring information amount are big, comprehensive.Purposes is wide, can simulate realistically coal and gas Prominent environment, influence factor, boundary condition and evolution and generating process also stress and gas coupling and are drilled by analog lane Change process.
Detailed description of the invention
Fig. 1 is moulded coal true to nature and gas outburst simulation test device schematic diagram of the invention.
In figure: 1- bracket;2- transverse slide;3- load bearing cross beam;4- hydraulic cylinder;5- gusset;6- cover board;7- lid Plate sealing strip;8- cavity;9- hinge;10- sealing;11- seals sealing ring;12- drill bit;13- quick-opening device;14- fills gas mouth; 15- sensor installation port.
Specific embodiment:
Moulded coal true to nature and gas outburst simulation test device of the invention includes: bracket 1, cavity 8, cover board 6, stress loading System fills gas train, reference record system and sealing 10;Bottom is fixed with cavity 8 in bracket 1, and upside has in cavity 8 Cover board 6 is connected with stress loading system on cover board 6;There is sealing 10 in one end of cavity, has on the side wall of cavity and fill gas Interface and monitoring sensor installation port, monitoring sensor are connect with reference record system.
The cover board 6 is the force transmitting board that a periphery has sealing strip 7, by the material, thickness and the rigidity that select cover board 6 The roof of different-thickness and intensity is simulated, top plate is thicker, harder, and top plate is stronger to the effect of coal body, stress in coal bed collection Middle degree is higher, and it is bigger that intensity occurs for dynamic disaster.
The cavity 8 is the U-type groove of an inner wall smooth, and facade has an opening on front side of U-type groove length direction, simulates tunnel Section, in the outer installation sealing 10 of opening and sealing sealing ring 11;U-type groove internal upper part has on rear side of cover board 6U type groove and another two side elevation It is disposed with and multiple fills gas interface 14 and sensor installation port 15;Device coal body sample and gas is filled in U-type groove;Pass through cover board The cover plate for sealing item 7 at 6 edges seals sealing gas between sealing ring 11 and cavity, pass through gas cannot in addition to coal body seepage flow The free space intercommunication of coal body periphery keeps the distribution of different location gas subregion;Gas mouth on rear side of U-type groove is kept to hold during prominent Continuous supply, simulates coal mine coal-bed gas sustainable supply.
The gas train of filling includes gas gas source, pressure reducing valve, pressure and flow divider valve and gas pipe, and gas pipe connects Connect filling on gas interface 14 in U-type groove;Gas is confessed from gas gas source, passes through pressure reducing valve decompression, pressure and assignment of traffic Valve regulation, from the gas interface of gas pipe and different location, into cavity, coal body fills the gas of different pressures.
The sealing further includes open-type and the sealing of sieve type, and open-type simulates tunnel postponing bursting and drilling, driving It induces and protrudes, sieve sealing moment, which opens, simulates exposure coal wall driving protrusion, also analog drilling spray orifice and crossdrift gas drainage under suction Exposed coal is prominent afterwards;
The reference record system, including at least multiple stress in coal bed, deformation, the temperature for being installed on U-type groove different location Degree, gas pressure, flow velocity, sound emission, electromagnetic radiation and electric potential signal sensor, each sensor are connect with acquisition and recording instrument.It is logical The distribution and variation for monitoring and analyzing each monitoring parameters are crossed, the various index response patterns of prominent evolutionary process are disclosed, including is answered Power Evolution, crack Evolution, temperature changing regularity, gas pressure and flow field Evolution, current potential Evolution and its Correlativity.The acquisition and recording instrument is commercial product.
The stress loading system includes gusset 5, hydraulic cylinder 4, transverse slide 2 and load bearing cross beam 3, described Hydraulic cylinder 4 at least 6, the upper end of hydraulic cylinder 4 is connect with transverse slide 2, and transverse slide 2, which is connected to, holds On weight crossbeam 3, transverse slide 2 is connected in bracket, and the lower end of hydraulic cylinder 4 is connect by gusset 5 with cover board 6;It answers Force loading system is loaded by cover board 6 to coal body, and release drainage-extending stress band-primitive stress band coal and rock three can be simulated Band curve stress loading;By cover board 6 to coal body or coal seam with gas coupling load, coal mass relief is destroyed near front openings When, stress and energy are shifted to deep by hard cover board 6, extending stress band stress increases, and stress gradient increases, to coal wall Neighbouring coal body mechanical function enhancing, than more accurately simulating top plate effect.
The sealing 10 is connected to the opening side of U-type groove by hinge 9, and it is close to be connected with sealing in U-type groove opening Seal 11 is connected with the quick-opening device 13 of sealing 10 in the opening other side of U-type groove;The sealing 10 have hermetic type sealing, Paraffin channel closure, open-type sealing and the sealing of sieve type;Wherein, it is prominent to throw open simulation stone door punching coal for hermetic type sealing Out;The paraffin channel closure fusing simulation driving protrudes;The open-type sealing simulation tunnel postponing bursting and drilling, pick It is protruded into inducing;The sieve type sealing moment opens simulation exposure coal wall driving and protrudes, also analog drilling spray orifice and stone Exposed coal is prominent after door gas drainage under suction.
Moulded coal true to nature and gas outburst simulation test method of the invention, steps are as follows:
(1) before testing, top plate type is selected first, determines cover plate materials, thickness and rigidity, selects prominent test type, Determine closure types;
(2) before filling sample, first stress loading system and cover board are removed, first with hermetic type sealing or paraffin pipe in front of U-type groove Sealing, coal sample is packed into, moulded coal, which need to repeatedly coaling, is compacted into molding coal sample, and raw coal need to make processing sealed around;
(3) before loading, load cover board and sample contacts are kept, then each region starts to be loaded onto given applied stress;
(4) load after the completion of, it is each fill gas mouth by setting pressure and flow be filled with gas, reach adsorption equilibrium;It needs When sieve type being wanted to seal, it should be ensured that stress and gas pressure are not enough to protrude, and slowly open hermetic type sealing, are changed to sieve type Sealing, further according to needing increasing stress and gas pressure;
(5) it according to coal body, stress, Gas explosion burns and accordingly seals, open mode, simulate corresponding prominent test process; When not occurring prominent, gas pressure or stress can be continued growing, until protruding;
(6) gas filled to test coal body, after balance, rezone loading stress, Observable and analyze subregion gas pressure with The relationship of stress;
(7) by various underlying parameters variation can simulate realistically live coal and gas prominent environment, influence factor, Boundary condition and evolution and generating process, simulation lane side stress and gas coupling and evolutionary process, by monitoring and analyzing The distribution and variation of each monitoring parameters, disclose the various index response patterns of prominent evolutionary process, including stress Evolution, split Gap Evolution, temperature changing regularity, gas pressure and flow field Evolution, current potential Evolution and its correlativity.

Claims (6)

1. a kind of moulded coal true to nature and gas outburst simulation test device, it is characterised in that: the type coal and gas prominent simulation true to nature Experimental rig includes: bracket, cavity, cover board, stress loading system, fills gas train, reference record system and sealing;Described Reference record system, including at least multiple stress in coal bed, deformation, temperature, the gas pressure, stream for being installed on U-type groove different location Speed, sound emission, electromagnetic radiation and electric potential signal sensor, each sensor are connect with acquisition and recording instrument;It is each by monitoring and analyzing The distribution and variation of monitoring parameters disclose the various index response patterns of prominent evolutionary process, including stress Evolution, crack Evolution, temperature changing regularity, gas pressure and flow field Evolution, current potential Evolution and its correlativity, in bracket Interior bottom is fixed with cavity, and there is cover board in upside in the cavity, is connected with stress loading system on the cover board;Have in one end of cavity Sealing, has on the side wall of cavity and fills gas interface and each sensor installation port, and the cavity is an inner wall smooth U-type groove, facade has an opening on front side of U-type groove length direction, drift section is simulated, in the outer installation sealing of opening and sealing sealing Circle;U-type groove internal upper part has a cover board, is disposed with another two side elevation on rear side of U-type groove and described fills gas interface and each sensor peace Fill mouth;Device coal body sample and gas is filled in U-type groove;Pass through the cover plate for sealing item of side edge thereof, sealing sealing ring and cavity It is tightly connected, realizes the sealing to gas in cavity, make gas cannot be mutual by coal body periphery free space in addition to coal body seepage flow It is logical, keep the distribution of different location gas subregion;Gas mouth sustainable supply on rear side of U-type groove is kept during prominent, simulates mine coal Layer gas sustainable supply, the described gas train of filling includes gas gas source, pressure reducing valve, pressure and flow divider valve and gas pipe, Gas pipe is connected to filling on gas interface in U-type groove;Gas is confessed from gas gas source, passes through pressure reducing valve decompression, pressure and stream Amount distribution valve regulation, from the gas interface of gas pipe and different location, into cavity, coal body fills the gas of different pressures.
2. a kind of moulded coal true to nature according to claim 1 and gas outburst simulation test device, it is characterised in that: described Cover board is the force transmitting board that a periphery has sealing strip, by selecting material, thickness and the stiffness simulation different-thickness of cover board and strong The roof of degree, top plate is thicker, harder, and top plate is stronger to the effect of coal body, and stress in coal bed intensity is higher, power calamity It is bigger that intensity occurs for evil.
3. a kind of moulded coal true to nature according to claim 1 and gas outburst simulation test device, it is characterised in that: described Sealing further includes open-type and the sealing of sieve type, and open-type simulates tunnel postponing bursting and drilling, driving are induced and protruded, sieve envelope Mouthful moment, which opens, simulates exposure coal wall driving and protrudes, and also exposed coal is prominent after analog drilling spray orifice and crossdrift gas drainage under suction.
4. a kind of moulded coal true to nature according to claim 1 and gas outburst simulation test device, it is characterized in that: described answers Force loading system includes gusset, hydraulic cylinder, transverse slide and load bearing cross beam, and the hydraulic cylinder at least 6, The upper end of hydraulic cylinder is connect with transverse slide, and transverse slide is connected on load bearing cross beam, and transverse slide connects It connects in bracket, the lower end of hydraulic cylinder is connect by gusset with cover board;Stress loading system is loaded by cover board to coal body, Release drainage-extending stress band-primitive stress band coal and rock three can be simulated with curve stress loading;By cover board to coal body or Coal seam with gas coupling load, when coal mass relief is destroyed near front openings, by hard cover board by stress and energy to depth Portion's transfer, extending stress band stress increase, and stress gradient increases, and enhance coal body mechanical function near coal wall, than more accurately Simulate top plate effect.
5. a kind of moulded coal true to nature according to claim 1 and gas outburst simulation test device, it is characterized in that: the envelope Mouth is connected by a hinge in the opening side of U-type groove, is connected with sealing sealing ring in U-type groove opening, another in the opening of U-type groove Side is connected with the quick-opening device of sealing.
6. a kind of test method using moulded coal true to nature and gas outburst simulation test device described in claim 1, feature exist In: moulded coal true to nature and gas outburst simulation test method:
(1) before testing, top plate type is selected first, determines cover plate materials, thickness and rigidity, is selected prominent test type, is determined Closure types;
(2) before filling sample, first stress loading system and cover board are removed, is first sealed with hermetic type in front of U-type groove, coal sample is packed into, Moulded coal, which need to repeatedly coaling, is compacted into molding coal sample, and raw coal need to make processing sealed around;
(3) before loading, load cover board and sample contacts are kept, then each region starts to be loaded onto given applied stress;
(4) load after the completion of, it is each fill gas mouth by setting pressure and flow be filled with gas, reach adsorption equilibrium;It needs to sieve When net type is sealed, it should be ensured that stress and gas pressure are not enough to protrude, and slowly open hermetic type sealing, are changed to sieve type envelope Mouthful, further according to needing increasing stress and gas pressure;
(5) it according to coal body, stress, Gas explosion burns and accordingly seals, open mode, simulate corresponding prominent test process;When not When occurring prominent, gas pressure or stress can be continued growing, until protruding;
(6) gas filled to test coal body, after balance, rezone loading stress, and Observable simultaneously analyzes subregion gas pressure and stress Relationship;
(7) live coal and gas prominent environment, influence factor, boundary can be simulated realistically by the variation of various underlying parameters Condition and evolution and generating process, simulation lane side stress and gas coupling and evolutionary process, by monitoring and analyzing each prison The distribution and variation of parameter are surveyed, the various index response patterns of prominent evolutionary process are disclosed, including stress Evolution, crack are drilled Law, temperature changing regularity, gas pressure and flow field Evolution, current potential Evolution and its correlativity.
CN201610903360.1A 2016-10-17 2016-10-17 A kind of moulded coal true to nature and gas outburst simulation test device and method Active CN106483267B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610903360.1A CN106483267B (en) 2016-10-17 2016-10-17 A kind of moulded coal true to nature and gas outburst simulation test device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610903360.1A CN106483267B (en) 2016-10-17 2016-10-17 A kind of moulded coal true to nature and gas outburst simulation test device and method

Publications (2)

Publication Number Publication Date
CN106483267A CN106483267A (en) 2017-03-08
CN106483267B true CN106483267B (en) 2019-05-28

Family

ID=58269716

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610903360.1A Active CN106483267B (en) 2016-10-17 2016-10-17 A kind of moulded coal true to nature and gas outburst simulation test device and method

Country Status (1)

Country Link
CN (1) CN106483267B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108088718B (en) * 2017-12-22 2020-06-19 徐州恒安煤矿技术有限公司 Underground coal seam soft layering simulation replication method and small-sized soft layering pressing device
CN109000910B (en) * 2018-06-25 2019-08-09 中国矿业大学(北京) A kind of experiment porch of three-dimensional simulation coal mine roof plate fracture
CN108918249B (en) * 2018-08-20 2020-07-10 山东科技大学 Coal body deformation test method under coal seam water injection wetting influence mining action
CN109372571B (en) * 2018-11-19 2020-08-25 山东大学 Gas-containing coal permeability increasing, displacement and multiphase seepage physical simulation test system and method
CN110850053B (en) * 2019-05-16 2022-03-25 山东天勤矿山机械设备有限公司 Three-dimensional geomechanical model test system for intelligent coal mining
CN110346216B (en) * 2019-06-20 2022-01-14 太原理工大学 Coal rock triaxial loading test device and method under condition of simulated tunneling disturbance
CN110284922B (en) * 2019-07-02 2020-03-27 中国矿业大学 CO (carbon monoxide)2Method for testing outburst induced by geological sequestration enhanced gas extraction
CN110308047B (en) * 2019-07-02 2020-09-15 中国矿业大学 Outburst coal seam stress unloading outburst prevention measure and unloading range optimization method
CN110299059A (en) * 2019-07-02 2019-10-01 中国矿业大学 A kind of projecting coal bed mash gas extraction and the test integrated experimental rig of extinction
CN110261233B (en) * 2019-07-02 2020-09-25 中国矿业大学 Method for testing delay outburst critical gas pressure and delay time
CN110308258B (en) * 2019-07-02 2021-06-01 中国矿业大学 Multi-field coupling visual coal and gas delay outburst test device
CN110308245B (en) * 2019-07-02 2020-11-03 中国矿业大学 Coal and gas delay outburst test method under high-temperature high-pressure high-stress coupling
CN110864968B (en) * 2019-11-27 2020-11-20 山东科技大学 Stress gradient loading test device and method for accurately determining loading energy
CN110850054A (en) * 2019-12-04 2020-02-28 河南工程学院 Coal and gas outburst simulation device
CN111208272A (en) * 2020-01-13 2020-05-29 中煤科工集团重庆研究院有限公司 Deep well outburst simulation experiment method and rigidity regulation and control device
CN111551692A (en) * 2020-05-21 2020-08-18 煤炭科学技术研究院有限公司 Experimental device and method for inducing coal and gas outburst through stable pressure difference two-stage linkage
CN113030429A (en) * 2021-03-15 2021-06-25 中国矿业大学 Multifunctional coal and gas outburst physical simulation device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1739053A1 (en) * 1989-10-31 1992-06-07 Украинский научно-исследовательский и проектно-конструкторский институт подземной гидравлической добычи угля "УкрНИИгидроуголь" Device for localization of coal and gas outburst
RU2090757C1 (en) * 1993-03-29 1997-09-20 Санкт-Петербургский государственный горный институт (технический университет) Method of prevention of sudden outbursts of salt and gas
CN102213098A (en) * 2010-04-09 2011-10-12 同济大学 Test device for simulating local special loads of tunnel and underground engineering
CN102353608A (en) * 2011-07-08 2012-02-15 中国矿业大学 Device and method for measuring prediction index critical value of coal and gas outburst
CN104820084A (en) * 2015-05-14 2015-08-05 安徽理工大学 Coal and gas outburst similarity simulation test method based on geological mechanical model test

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1739053A1 (en) * 1989-10-31 1992-06-07 Украинский научно-исследовательский и проектно-конструкторский институт подземной гидравлической добычи угля "УкрНИИгидроуголь" Device for localization of coal and gas outburst
RU2090757C1 (en) * 1993-03-29 1997-09-20 Санкт-Петербургский государственный горный институт (технический университет) Method of prevention of sudden outbursts of salt and gas
CN102213098A (en) * 2010-04-09 2011-10-12 同济大学 Test device for simulating local special loads of tunnel and underground engineering
CN102353608A (en) * 2011-07-08 2012-02-15 中国矿业大学 Device and method for measuring prediction index critical value of coal and gas outburst
CN104820084A (en) * 2015-05-14 2015-08-05 安徽理工大学 Coal and gas outburst similarity simulation test method based on geological mechanical model test

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
非均布荷载条件下煤与瓦斯突出模拟实验;许江等;《煤炭学报》;20120531;第37卷(第5期);第837页1.1 实验设备及煤样采集加工 *

Also Published As

Publication number Publication date
CN106483267A (en) 2017-03-08

Similar Documents

Publication Publication Date Title
CN106483267B (en) A kind of moulded coal true to nature and gas outburst simulation test device and method
Wang et al. Separation and fracturing in overlying strata disturbed by longwall mining in a mineral deposit seam
CN104820084B (en) Coal and gas outburst similarity simulation test method based on geological mechanical model test
Acocella Understanding caldera structure and development: An overview of analogue models compared to natural calderas
Olivella et al. Gas flow through clay barriers
CN102297929B (en) Tectonic coal pressure relief and outburst simulation experiment device
CN106908365A (en) One kind is adopted dynamic circuit breaker and splits rock cranny dynamically closure seepage simulation experimental rig and method
Li et al. Effects of particle size of crushed gangue backfill materials on surface subsidence and its application under buildings
CN108119142B (en) - three-two subregion water-protection coal-mining methods of band of five figures
CN110308047B (en) Outburst coal seam stress unloading outburst prevention measure and unloading range optimization method
Zhang et al. Enhancement of gas drainage efficiency in a special thick coal seam through hydraulic flushing
CN110308258B (en) Multi-field coupling visual coal and gas delay outburst test device
CN103604698B (en) Colliery old gob caving band fragmented rock body secondary deformation compaction simulation experimental technique
CN105181927A (en) Multi-field coupled low permeability coal seam hydraulic fracturing simulation test method
Zhou et al. Test system for the visualization of dynamic disasters and its application to coal and gas outburst
Cao et al. A novel large-scale three-dimensional apparatus to study mechanisms of coal and gas outburst
Al Heib et al. Analysis of the historical collapse of an abandoned underground chalk mine in 1961 in Clamart (Paris, France)
Zhou et al. A 3D model of coupled hydro-mechanical simulation of double shield TBM excavation
Ulusay et al. Improvement of slope stability based on integrated geotechnical evaluations and hydrogeological conceptualisation at a lignite open pit
Tang et al. Determination of critical value of an outburst risk prediction index of working face in a coal roadway based on initial gas emission from a borehole and its application: A case study
CN111366707A (en) Test system and method for simulating coupling flow of multiple types of water guide channels
Zhang et al. 3D DEM method for compaction and breakage characteristics simulation of broken rock mass in goaf
CN108956931A (en) A kind of coal and gas prominent centrifugal model test devices and methods therefor
CN109611140A (en) One kind 110 and N00 engineering method exploitation working face goaf air flow transport characteristics simulating test device and application method
CN106482924A (en) Rock hydrocarbon simulated flowing apparatus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20170623

Address after: 221116 Research Institute of China University of Mining and Technology,, Jiangsu

Applicant after: China University of Mining & Technology

Applicant after: The large Mine Safety Technology of Xuzhou chats and equipment research and development centre

Address before: 221116 Research Institute of China University of Mining and Technology,, Jiangsu

Applicant before: China University of Mining & Technology

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Liu Xiaofei

Inventor after: Wang Enyuan

Inventor after: Ou Jianchun

Inventor after: Wang Xiaoran

Inventor after: He Xueqiu

Inventor after: Li Zhonghui

Inventor before: Wang Enyuan

Inventor before: Ou Jianchun

Inventor before: Wang Xiaoran

Inventor before: He Xueqiu

Inventor before: Li Zhong

GR01 Patent grant
GR01 Patent grant