CN105891440B - A kind of coal and gas prominent experimental rig and method for having supply source of the gas - Google Patents
A kind of coal and gas prominent experimental rig and method for having supply source of the gas Download PDFInfo
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- CN105891440B CN105891440B CN201610224363.2A CN201610224363A CN105891440B CN 105891440 B CN105891440 B CN 105891440B CN 201610224363 A CN201610224363 A CN 201610224363A CN 105891440 B CN105891440 B CN 105891440B
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- 239000003245 coal Substances 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009527 percussion Methods 0.000 claims abstract description 38
- 239000011521 glass Substances 0.000 claims abstract description 36
- 238000013508 migration Methods 0.000 claims abstract description 12
- 230000005012 migration Effects 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims description 4
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 6
- 238000002474 experimental method Methods 0.000 description 7
- 238000011160 research Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid 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
- G01N33/22—Fuels; Explosives
- G01N33/222—Solid fuels, e.g. coal
-
- 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
- G01N33/22—Fuels; Explosives
- G01N33/227—Explosives, e.g. combustive properties thereof
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- Medicinal Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Sampling And Sample Adjustment (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A kind of coal and gas prominent experimental rig and method for having supply source of the gas, experimental rig includes coal sample tank, the side of coal sample tank is connected with tonifying Qi gas bag, tonifying Qi gas bag is connected to air compressor, the opposite side of coal sample tank is provided with opening, armorplate glass is provided with the inside of opening, pipeline is provided with the outside of opening, pipeline is externally provided with percussion lock, one end of percussion lock is fixed on the outside of pipeline, the other end is provided with percussion tup, percussion tup adheres on armorplate glass, inner-walls of duct interval is provided with multiple pressure sensors and multiple photoelectric sensors, the position of corresponding each photoelectric sensor is provided with light source outside pipeline, passed through between light source and photoelectric sensor provided with transparent panel for light source.Tonifying Qi gas bag make-up gas constantly into coal sample tank, more real simulation coal and gas prominent disaster generating process, pressure sensor can determine gas pressure in pipeline, reflect migration state of the prominent gas in pipeline, and photoelectric sensor and light source can measure the migration position of prominent coal stream.
Description
Technical field
The present invention relates to a kind of coal and gas prominent experimental rig, more particularly to a kind of coal and gas for having supply source of the gas
Prominent experimental rig and method.
Background technology
Coal and gas prominent be underground coal mine unstability coal and rock suddenly to mining work space of planes spray a large amount of coals with watt
This, destroys tunnel and facility, damages ventilating system, and roadway causes to bury people or asphyxia full of gas with coal, powder, and serious threat coal
The safety in production of ore deposit.Mine accounts for the total death toll of coal mine gas disaster because of coal and gas prominent death tolls in recent years
1/3rd, in order to prevent the generation of such disaster accident, scholars mainly forecast in coal and gas prominent mechanism, outburst prediction
Technology and prominent Prevention Technique etc. conduct a research, to be carried for outburst hazard prediction and the formulation of outburst prevention measures with implementation
For scientific basis.On disaster evolution process of the coal and gas prominent in mine ventilation system, and the auxiliary of emergency preplan
Decision-making technic research is less.This is related to is carried out to the migration process in mine systems of coal and gas prominent after gas and coal stream
Research, mitigation and reduction property loss foundation can be provided to greatest extent after prominent accident occurs.Equally, in the reality of research
Test on Method means, process of the forefathers primarily directed to coal body under high pressure gas effect by entirety to rupture unstability, that is, understand fully
" how prominent coal is ", mainly around sides such as coal and gas prominent mechanism, outburst prediction forecasting technique and prominent Prevention Techniques
What face was studied and deployed；Experiment for the purpose of studying disaster evolution process of the coal and gas prominent in mine ventilation system,
After needing to prove and verifying Coal body Instability, coal and gas how the motion process and mechanical characteristics in mine systems, that is, do
" how coal and gas move after bump occurs " clearly.But at present to the transport conditions research after coal and gas prominent compared with
It is few, still lack special experimental provision.In order that research method reaches or close to actual conditions, need carry out the experiment of this respect
Research, calculated for theoretical simulation and parameter is provided.
The content of the invention
The problem of existing for prior art, the present invention provide one kind can clear view to coal and gas prominent after gas
And the migration of coal stream, the coal and gas prominent experiment for having supply source of the gas of more real simulation coal and gas prominent disaster generating process
Device and method.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of coal and gas prominent experimental rig for having supply source of the gas, including coal sample tank, the side connection of the coal sample tank
There is tonifying Qi gas bag, the tonifying Qi gas bag is connected to air compressor, and the opposite side of the coal sample tank is provided with opening, the opening
Inner side is provided with armorplate glass, and the armorplate glass is fixed on the coal sample top tank structure, pipeline is provided with the outside of the opening,
The coal sample tank wall is fixed in the end of the pipeline, and the pipeline is externally provided with percussion lock, one end of the percussion lock
It is fixed on the outside of the pipeline, the other end is provided with percussion tup, and the percussion tup adheres on the armorplate glass, the pipe
Road inwall interval is provided with multiple pressure sensors and multiple photoelectric sensors, and the pressure sensor is connected to pressure test note
Instrument is recorded, the photoelectric sensor is connected to photoelectricity test recorder, and the position of each photoelectric sensor is corresponded to outside the pipeline
Light source has been installed, has been passed through between the light source and the photoelectric sensor provided with transparent panel for the light source.
Further, sealed between the armorplate glass and the coal sample top tank structure by seal washer.
Further, there is fixed chuck at the edge of the armorplate glass, and the coal sample tank is fixed in one end of the dop
Inwall, the other end clasp the armorplate glass.
Further, two adjustable plates are provided with the outside of the opening, aspis is formed between two adjustable plates, it is described
Aspis is located in the pipeline.
Further, each adjustable plate is provided with multiple rows of adjustment hole, and the adjustment hole for being secured by bolts in different rows comes
The distance between two described adjustable plates of regulation, to adjust the size of the aspis.
Further, the pipeline is square pipe, and top surface, bottom surface and the first side of the pipeline are steel plate, and described
The relative second side of first side is the transparent panel, and the pressure sensor is located at the inwall of the top surface, the light
Electric transducer is located at the inwall of the first side, and the light source is located at the outside of the transparent panel, and with the photoelectric transfer
Sensor corresponds.
Further, the one end of the percussion lock away from the percussion tup is provided with safety plug, when not prominent, the insurance
The fixed percussion lock of pin, when protruding, removes the safety plug.
Further, between the air compressor and the tonifying Qi gas bag, between the tonifying Qi gas bag and the coal sample tank
Tonifying Qi regulating valve is equipped with, to adjust the gas entered in the coal sample tank.
Further, the side of the coal sample tank is provided with pressure gauge and the pressure sensor, and the pressure gauge is used to read
Pressure in the coal sample tank, the pressure sensor are connected to the pressure test recorder.
A kind of method using the above-mentioned coal and gas prominent experimental rig for having and feeding source of the gas, including into the coal sample tank
Load particle coal sample；Open the air compressor to inflate into the tonifying Qi gas bag, the tonifying Qi gas bag continues to the coal
Inflated in sample tank；When coal and gas prominent is tested, the percussion tup taps the armorplate glass and destroyed, the coal sample
In coal and gas prominent to the pipeline in tank, pass through gas pressure, reflection in pipeline described in the determination of pressure sensor
The migration state of prominent gas, the transport conditions of prominent coal stream are measured by the photoelectric sensor and light source.
Beneficial effects of the present invention：
Tonifying Qi gas bag is connected to coal sample tank, make-up gas, more real simulation coal can be dashed forward constantly into coal sample tank with gas
Go out disaster generating process, armorplate glass and percussion lock are set in coal sample tank opening, tempering glass is smashed by percussion lock
Glass plate, prominent on-test is controlled, gas pressure in pipeline can be determined by pressure sensor, prominent gas can be reflected
Migration state in pipeline, the migration position of prominent coal stream can be measured by photoelectric sensor and light source, and passes through transparent area
Plate can monitor the transport conditions of coal stream during protrusion, and transparent panel can also be used for clapping coal stacking states after protrusion
According to the sorting of the prominent coal of understanding.
Brief description of the drawings
Fig. 1 is the top view for the coal and gas prominent experimental rig that the present invention has supply source of the gas；
Fig. 2 is the front view for the coal and gas prominent experimental rig that the present invention has supply source of the gas；
Fig. 3 is the side view for the coal and gas prominent experimental rig that the present invention has supply source of the gas；
In figure, 1-coal sample tank, 2-opening, 3-armorplate glass, 4-seal washer, 5-fixed chuck, 6-regulation
Plate, 7-adjustment hole, 8-percussion lock, 9-percussion tup, 10-pipeline, 11-steel plate, 12-transparent panel, 13-pressure
Sensor, 14-photoelectric sensor, 15-light source, 16-pressure test recorder, 17-photoelectricity test recorder, 18-tonifying Qi
Gas bag, 19-relief valve, 20-air compressor, 21-tonifying Qi regulating valve, 22-pressure gauge, 23-safety plug.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
Such as Fig. 1, the present invention provides a kind of coal and gas prominent experimental rig for having supply source of the gas, including coal sample tank 1, coal sample
The side of tank 1 is connected with tonifying Qi gas bag 18, and tonifying Qi gas bag 18 is connected to air compressor 20, and the opposite side of coal sample tank 1, which is provided with, to be opened
Mouthfuls 2, inner side is provided with armorplate glass 3 at opening 2, and opening outside is provided with pipeline 10, percussion lock is provided with armorplate glass 3
8.Make-up gas, more real simulation coal and gas can be continued into coal sample tank 1 by air compressor 20 and tonifying Qi gas bag 18
Disaster generating process is protruded, percussion lock 8 is provided with armorplate glass 3, when carrying out coal and gas prominent experiment, passes through percussion
Device 8 smashes armorplate glass 3 so that coal is projected in pipeline 10 with gas from aspis, is observed and is determined coal and is dashed forward with gas
Transport conditions after going out in pipeline 10, foundation is provided for the prevention of secondary disaster.
Such as Fig. 1 and Fig. 2, coal sample tank 1 is that gravity-type protrudes spray carrying shield, and air compressor 20 compresses for high-pressure plunger type air
Machine, connected between air compressor 20 and tonifying Qi gas bag 18 by a diameter of 15mm pressure piping, pressure piping, which is provided with, to be mended
Gas regulating valve 21, the side of tonifying Qi gas bag 18 are provided with relief valve 19, by the pressure dump in tonifying Qi gas bag 18 after the completion of experiment,
Connected between tonifying Qi gas bag 18 and coal sample tank 1 by a diameter of 30mm pressure piping, tonifying Qi tune also is provided with the pressure piping
Valve 21 is saved, by above-mentioned two tonifying Qi regulating valve 21, air compressor 20 or/and tonifying Qi gas bag 18 can be controlled to coal sample tank 1
The flow and aeration speed of interior inflation.The side of coal sample tank 1 is provided with pressure gauge 22, and coal sample can be directly read by pressure gauge 22
Pressure value in tank 1, ensure that the pressure in coal sample tank 1 is normal, the pressure release of relief valve 19 is used if pressure is excessive, avoids endangering
Danger.The inwall of coal sample tank 1 is additionally provided with pressure sensor 13.
Such as Fig. 1 and Fig. 3, the opening of coal sample tank 1 is blocked by armorplate glass 3, armorplate glass 3 and coal sample tank 1
Sealed between inwall by seal washer 4, the edge of armorplate glass 3 is fixed by fixed chuck 5, one end of fixed chuck 5
The inwall of coal sample tank 1 is fixed to, opposite side bending clasps armorplate glass 3, and steel plate glass plate 3 and seal washer 4 is close
Be pressed together on the inwall of coal sample tank 1, prevent armorplate glass 3 from coming off.The outside that coal sample tank 1 is open is provided with two adjustable plates 6,
Aspis is formed between two adjustable plates 6, aspis is located in pipeline 10, and in the present embodiment, the width of aspis, which is less than, to be opened
The width of mouth 2, again smaller than the width of pipeline 10.Each adjustable plate 6 is provided with multiple rows of adjustment hole 7, (not shown) solid by bolt
The distance between two adjustable plates 6 are adjusted due to the adjustment hole 7 of different rows, and then adjust the size of aspis, bolt passes through
Adjustment hole 7 is fixed on the outer wall of coal sample tank 1, adjustable plate 6 is fixed into one of position, by adjusting adjustable plate 6
Position, test of many times, guarantee test result more accurate objective are carried out using different size of aspis.
Such as Fig. 2, the opening of coal sample tank 1 outside is provided with percussion lock 8, and the outside of pipeline 10 is fixed in one end of percussion lock 8,
And fixed by safety plug 23, the other end is through pipeline 10 and extends into opening 2, is formed and hit into the part in opening 2
Tup 9 is sent out, percussion tup 9 adheres on armorplate glass 3, and when not prominent, safety plug 23 fixes percussion lock 8, when protruding,
Safety plug 23 is removed, percussion lock 8 fires, and percussion tup 9 taps armorplate glass 3 and destroyed, and makes coal in coal sample tank 1
Projected to gas by aspis in pipeline 10, carry out coal and gas prominent experiment.
Such as Fig. 1 and Fig. 2, the inwall interval of pipeline 10 is provided with multiple pressure sensors 13 and multiple photoelectric sensors 14, pressure
Force snesor 13 is connected to pressure test recorder 16, and photoelectric sensor 14 is connected to photoelectricity test recorder 17, outside pipeline 10
The position of corresponding each photoelectric sensor 14 is provided with light source 15, is supplied between light source 15 and photoelectric sensor 14 provided with transparent panel 12
Light source passes through.In the present embodiment, pipeline 10 is square pipe, and top surface, bottom surface and the first side of pipeline 10 are steel plate 11, with
The relative second side of first side is glass transparent panel 12, it is preferred that transparent panel 12 is positioned at the side of convenient observation, pressure
Force snesor 13 is located at the inwall of the top surface of pipeline 10, and photoelectric sensor 14 is located at the inwall of the first side of pipeline 10, light source 15
Corresponded in the outside of transparent panel 12, and with photoelectric sensor 14, i.e., photoelectric sensor 14 is located at pipeline 10 with light source 15
Both sides, therefore when in coal and gas prominent to pipeline 10, in coal stream migration process can shield portions light source 15, make photoelectric transfer
Sensor 14 can not receive photosignal, therefore may determine that the shift position of now coal, and then can monitor coal during protrusion
Transport conditions.Pressure sensor 13 in pipeline 10 is all connected to pressure test note with the pressure sensor 13 in coal sample tank 1
Instrument 16 is recorded, gas pressure in pipeline 10 can be determined, and then reflects transport conditions of the prominent gas in pipeline 10, also simultaneously
The pressure differential between coal sample tank 1 and pipeline 10 can be measured.The side of pipeline 10 is arranged to transparent panel 12, can be in protrusion
During the transport conditions of coal stream are determined by light source 15 and photoelectric sensor 14, can also be after protrusion outside transparent panel 12
Coal stacking states are taken pictures, the sorting of prominent coal is understood, analyzes the distribution situation after bump.
Such as Fig. 1 to Fig. 3, the method using above-mentioned coal and gas prominent experimental rig is as follows：
Prepare before experiment：Armorplate glass 3, pipeline 10 and percussion lock 8 are installed to the relevant position of coal sample tank 4, will
Pressure sensor 13 and photoelectric sensor 14 are installed to relevant position in pipeline 10, and are connected to corresponding recorder, and will mend
Gas gas bag 18 and air compressor 20 are connected, and now tonifying Qi regulating valve 21 is closed, and safety plug 23 fixes percussion lock 8.
When coal and gas prominent is tested, particulate coal sample is loaded into coal sample tank 1；Air compressor 20 is opened to tonifying Qi gas bag
Inflated in 18, tonifying Qi gas bag 18 continues to inflate into coal sample tank 1；Safety plug 23 is cancelled when protruding, percussion lock 8 starts, hit
Hair tup 9 taps armorplate glass 3 and destroyed, and in the coal and gas prominent in coal sample tank 1 to pipeline 10, passes through pressure sensing
Device 13 determines gas pressure in pipeline 10, reflects the migration state of prominent gas, is measured by photoelectric sensor 14 and light source 15
The transport conditions of prominent coal stream, after prominent, coal stacking states are taken pictures after transparent panel 12 is outer to protrusion, understand point of coal
The property selected.
The present invention make-up gas, more real simulation coal and gas prominent calamity constantly into coal sample tank 1 by tonifying Qi gas bag 18
Evil generating process, armorplate glass 3 and percussion lock 8 are set at the opening of coal sample tank 12, tempering glass is smashed by percussion lock 8
Glass plate 3, to control prominent on-test, gas pressure in pipeline 10 can be determined by pressure sensor 13, can be reflected
Migration state of the prominent gas in pipeline, the migration position of prominent coal stream can be measured by photoelectric sensor 14 and light source 15,
And the transport conditions of coal stream during protrusion can be monitored by transparent panel 12, transparent panel 12 can also be used for coal after protrusion
Stacking states are taken pictures, and understand the sorting of prominent coal.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be appreciated by those skilled in the art that technical scheme can be modified or waited
With replacing, without departing from the objective and scope of the technical program, it all should cover in scope of the presently claimed invention.
Claims (8)
- A kind of 1. coal and gas prominent experimental rig for having supply source of the gas, it is characterised in that including：Coal sample tank, the coal sample tank Side be connected with tonifying Qi gas bag, the tonifying Qi gas bag is connected to air compressor, and the opposite side of the coal sample tank is provided with opening, Armorplate glass is provided with the inside of the opening, there is fixed chuck at the edge of the armorplate glass, and one end of the dop is consolidated Due to the coal sample top tank structure, the other end clasps the armorplate glass, and pipeline is provided with the outside of the opening, the pipeline The coal sample tank wall is fixed in end, and the pipeline is externally provided with percussion lock, and one end of the percussion lock is fixed on described On the outside of pipeline, the other end is provided with percussion tup, and the percussion tup adheres on the armorplate glass, the inner-walls of duct interval Be provided with multiple pressure sensors and multiple photoelectric sensors, the pressure sensor is connected to pressure test recorder, described Photoelectric sensor is connected to photoelectricity test recorder, and the position that each photoelectric sensor is corresponded to outside the pipeline is provided with light Source, being passed through between the light source and the photoelectric sensor provided with transparent panel for the light source, the pipeline is square pipe, Top surface, bottom surface and the first side of the pipeline are steel plate, and the second side relative with the first side is the transparent area Plate, the pressure sensor are located at the inwall of the top surface, and the photoelectric sensor is located at the inwall of the first side, described Light source is located at the outside of the transparent panel, and is corresponded with the photoelectric sensor.
- 2. the coal and gas prominent experimental rig according to claim 1 for having supply source of the gas, it is characterised in that：The tempering Sealed between glass plate and the coal sample top tank structure by seal washer.
- 3. the coal and gas prominent experimental rig according to claim 1 for having supply source of the gas, it is characterised in that：The opening Place outside is provided with two adjustable plates, aspis is formed between two adjustable plates, the aspis is located in the pipeline.
- 4. the coal and gas prominent experimental rig according to claim 3 for having supply source of the gas, it is characterised in that：It is each described Adjustable plate is provided with multiple rows of adjustment hole, is secured by bolts in the adjustment hole of different rows to adjust between two adjustable plates Distance, to adjust the size of the aspis.
- 5. the coal and gas prominent experimental rig according to claim 1 for having supply source of the gas, it is characterised in that：The percussion The one end of device away from the percussion tup is provided with safety plug, and when not prominent, the safety plug fixes the percussion lock, waits to dash forward When going out, the safety plug is removed.
- 6. the coal and gas prominent experimental rig according to claim 1 for having supply source of the gas, it is characterised in that：The air Tonifying Qi regulating valve is equipped between compressor and the tonifying Qi gas bag, between the tonifying Qi gas bag and the coal sample tank, with regulation Gas into the coal sample tank.
- 7. the coal and gas prominent experimental rig according to claim 1 for having supply source of the gas, it is characterised in that：The coal sample The side of tank is provided with pressure gauge and the pressure sensor, and the pressure gauge is used to read the pressure in the coal sample tank, described Pressure sensor is connected to the pressure test recorder.
- 8. a kind of method of coal and gas prominent experimental rig for having supply source of the gas using described in claim 1, its feature exist In, including：Load particulate coal sample into the coal sample tank；Open the air compressor to inflate into the tonifying Qi gas bag, institute Tonifying Qi gas bag is stated to continue to inflate into the coal sample tank；When coal and gas prominent is tested, the percussion tup taps the tempering Glass plate is destroyed, and in the coal and gas prominent in the coal sample tank to the pipeline, passes through the determination of pressure sensor Gas pressure in the pipeline, reflect the migration state of prominent gas, prominent coal is measured by the photoelectric sensor and light source The transport conditions of stream.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610224363.2A CN105891440B (en) | 2016-04-11 | 2016-04-11 | A kind of coal and gas prominent experimental rig and method for having supply source of the gas |
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| CN201610224363.2A CN105891440B (en) | 2016-04-11 | 2016-04-11 | A kind of coal and gas prominent experimental rig and method for having supply source of the gas |
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| CN105891440B true CN105891440B (en) | 2017-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108387703A (en) * | 2018-01-25 | 2018-08-10 | 西安科技大学 | A kind of coal and gas prominent integrated experiment device |
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| CN107389859B (en) * | 2017-06-26 | 2019-06-21 | 重庆大学 | People-machine-ring is damaged simulation experiment method in coal and gas prominent Catastrophe Process |
| CN111579749B (en) * | 2020-05-11 | 2022-12-06 | 煤炭科学技术研究院有限公司 | Dynamic induction experimental method for coal and gas outburst |
| CN113834754B (en) * | 2021-06-07 | 2024-01-30 | 太原理工大学 | Be used for outstanding dynamic effect simulation experiment air supplement unit of coal and gas |
| CN113358846B (en) * | 2021-06-11 | 2023-03-28 | 中煤科工集团重庆研究院有限公司 | Gas-supplementing coal and gas outburst dynamic effect simulation experiment device and method |
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