CN208297496U - A kind of fork pipelines gas explosion experimental simulation device - Google Patents
A kind of fork pipelines gas explosion experimental simulation device Download PDFInfo
- Publication number
- CN208297496U CN208297496U CN201820120186.8U CN201820120186U CN208297496U CN 208297496 U CN208297496 U CN 208297496U CN 201820120186 U CN201820120186 U CN 201820120186U CN 208297496 U CN208297496 U CN 208297496U
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- Prior art keywords
- fork
- straight tube
- gas
- threeway
- gas explosion
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- 238000004880 explosion Methods 0.000 title claims abstract description 19
- 238000004088 simulation Methods 0.000 title claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000523 sample Substances 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 4
- 239000002360 explosive Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000005273 aeration Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 101001017827 Mus musculus Leucine-rich repeat flightless-interacting protein 1 Proteins 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
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Abstract
The utility model is a kind of fork pipelines gas explosion experimental simulation device.Belong to Gas Disaster prevention and control field, and in particular to a kind of fork pipelines gas explosion experimental simulation device.Mainly there are air flap, square flange, straight tube, threeway bifurcated pipe, outlet baffle, rubber seal, embedding nut to constitute.Device is made of transparent organic glass, and sealing installation ion probe, thermocouple and pressure sensor, whole system are tightly connected on the measured hole of straight tube；Open venthole, configured methane gas is filled with system by aeration aperture, after detecting that system gas density is stablized with gas detector, closes charge valve, respectively in four different ignition location igniting, observation and analysis explosive flame propagation characteristic in threeway fork pipelines；The fork angle of threeway bifurcated pipe can make according to practical tunnel angle, make experimental provision more similar to reality；Straight tube can be used with the repeatable connection of the threeway bifurcated pipe of different angle.The set fork pipelines gas explosion experimental simulation device compensates for vacancy of the gas explosion experiment without bifurcated pipe, and structure is simple, more similar to downhole branching tunnel, has stronger innovation and practicality.
Description
Technical field
Originally practical to be newly related to a kind of fork pipelines gas explosion experimental simulation device, belong to Gas Disaster prevention and control field,
More particularly to a kind of fork pipelines gas explosion experimental simulation device.
Background technique
Gas explosion is one of the disaster of most serious in China's coal-mine production.Gas explosion is studied, often by means of simulation
Tunnel or experimental channel.Although simulation tunnel or experimental channel differ greatly with actual mine laneway size and environment, fire
Flame propagation characteristic and its acceleration mechanism of transmission are consistent.And for current existing gas explosion experimental channel, only straight tube
Or bend pipe, it arranges several measuring points, using electrical measurement or flash ranging instrument, passes through high-speed photography, stration technique etc., observation fire flame
Motion conditions in the duct, the characteristic that analysis explosive flame is propagated.But underworkings is mostly fork tunnel, in order to make experiment tube
Road closer practical mine fork tunnel, it is therefore desirable to simple, the practical fork pipelines gas explosion experiment of a nested structure
Simulator.
Utility model content
Only have straight tube or bend pipe in view of existing gas explosion experimental channel, the utility model devises a kind of fork pipelines watt
This explosion test simulator.Its structure is simple, easy to operate, and can diverge tunnel according to practical mine, makes different angle
Fork pipelines, in different fork igniting observation gas explosion flame in fork pipelines propagation characteristic.
The utility model includes air flap 1, threaded hole 2, fire hole 3, square flange 4, straight tube 5, measured hole 6, threeway
Bifurcated pipe 7, outlet baffle 8, venthole 9, detection hole 10, rubber seal 11, embedding nut 12.Wherein 1 side length of air flap
190mm beats the fire hole 3 that diameter is 13mm in 1 center of air flap, on the right side of 1 center of air flap at 32.5mm
Size M16*1.5 threaded hole 2 is bored, with having a size of M16*60 screwed pipe, screwed pipe one end connection screw thread mouth, one end connects air inlet
Valve；Square flange 4 is with a thickness of 15mm, outer side length 190mm, interior side length 80mm；Straight tube 5 links together with square flange 4, length
700mm, straight tube 5 are square tube, outer side length 110mm, interior side length 80mm, wall thickness 15mm, and three 6 diameters of measured hole on straight tube 5 are
13mm, the center of circle straight tube 5 three center side lines, at the 100mm of side；The long 700mm of 7 straight flange of threeway bifurcated pipe, threeway
Bifurcated pipe 7 is square tube, and outer side length 110mm, interior side length 80mm, wall thickness 15mm, threeway bifurcated pipe 7 and square flange 4 are connected to one
It rises, the angle of threeway bifurcated pipe is determined according to the angle that two center lines of square tube intersect, fork is determined according to side length inside and outside square tube
Position, 7 center of threeway bifurcated pipe make a call to a diameter be 13mm fire hole 3；8 side length 190mm of outlet baffle is going out
Gas keeps off 8 centers and beats the fire hole 8 that diameter is 13mm, is 13mm's from diameter is beaten at the 32.5mm of center or so respectively
Venthole 9, fire hole 10；Rubber seal 11 outer side length 100mm, interior side length 80mm；Square flange 4 and air flap 1 go out
Rubber seal 11 is padded between gas baffle 8, is bolted by four circular holes with size M10*50, and rubber pad is padded at bolt both ends
Piece；12 size M10*1.0 closely-pitched of embedding nut, outer diameter 13mm, long 15mm, closed set is in fire hole 3, measured hole 6, venthole
9, in detection hole 10, embedding nut matches M10*1.0T type screw, is used for closed set nut 12；Fire hole 3 installs ignitor；
Measured hole 6 is respectively used to installation ion probe, thermocouple and pressure sensor；Detection hole 10 installs methane Concentration Measurement instrument.
A kind of fork pipelines gas explosion experimental simulation device, wherein air flap 1, square flange 4, straight tube 5,
Threeway bifurcated pipe 7 and outlet baffle 8 are made of transparent organic glass.
A kind of fork pipelines gas explosion experimental simulation device, whole device have an air inlet threaded hole 2, and two
Venthole 9；Whole device is tightly connected.
Configured a certain concentration gas is passed through screw thread by the utility model fork pipelines gas explosion experiment simulator
Hole 2 is filled with system, stablizes to system gas density, seals venthole with T-type screw, lights a fire, passes through in any one fire hole
Pressure sensor, ion probe and thermocouple measure characteristics of flame.The utility model structure is simple, can be in different forks
Igniting observation characteristics of flame, straight tube 5 can repeat connection with different angle threeway bifurcated pipe and use, package unit practicability
By force.
Detailed description of the invention
Fig. 1 is Tthe utility model system schematic diagram；
Fig. 2 is straight tube and square flange combination schematic diagram；
Fig. 3 is 45 ° of threeway forks and square flange combination pipe schematic diagram；
Fig. 4 is air flap schematic diagram；
Fig. 5 is square flange schematic diagram；
Fig. 6 is outlet baffle schematic diagram；
Fig. 7 is rubber seal schematic diagram；
Fig. 8 is embedding nut perspective view；
1- air flap, 2- threaded hole, 3- fire hole, 4- square flange, 5- straight tube, 6- measured hole, tri- reduction of fractions to a common denominator of 7- in figure
Bifurcated pipe, 8- outlet baffle, 9- venthole, 10- detection hole, 11- rubber seal, 12- embedding nut.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail with 45 ° of threeway bifurcated pipe cases.
The utility model is mainly by air flap 1, threaded hole 2, fire hole 3, square flange 4, straight tube 5, measured hole 6, three
Reduction of fractions to a common denominator bifurcated pipe 7, outlet baffle 8, venthole 9, detection hole 10, rubber seal 11, embedding nut 12 form.Wherein three straight tubes
5 are bolted with size M10*50 by four circular holes of square flange 4 and link together with threeway bifurcated pipe 7, square flange 4
Between pad rubber seal 11；Rubber seal 11 is padded between square flange 4 and air flap 1, outlet baffle 8, passes through four
Circular hole is bolted with size M10*50；12 closed set of embedding nut is in fire hole 3, measured hole 6, venthole 9, detection hole 10
In；Threaded hole 2 is air inlet, and with having a size of M16*60 screwed pipe, screwed pipe one end connection screw thread mouth, one end connects intake valve；
Fire hole 3 installs ignitor；Measured hole 6 seals installation ion probe, thermocouple and pressure sensor respectively；Detection hole 10 is pacified
Fill methane Concentration Measurement instrument；Venthole 9 matches size M10*1.0T type sealed screw.Whole system is tightly connected, and will be configured
The gas of certain methane concentration system is filled with by threaded hole 2, venthole 9 is opened, so that the pressure of whole system is constant, directly
To after methane concentration detector numerical stability, charge valve is closed, while being lighted a fire respectively in 4 different locations with ignitor, led to
Cross ion probe, thermocouple and pressure sensor observation and analysis explosive flame propagation characteristic in threeway fork pipelines.Threeway
The angle of bifurcated pipe is not limited only to 45 ° of embodiment, and the fork angle of threeway bifurcated pipe can be made according to practical tunnel angle,
Make experimental provision more similar to reality.
Claims (1)
1. a kind of fork pipelines gas explosion experimental simulation device is mainly diverged by air flap, square flange, straight tube, threeway
Pipe, outlet baffle, rubber seal, embedding nut composition, three straight tubes and threeway bifurcated pipe are connected to one by square flange
It rises, rubber seal is padded between square flange, a straight tube connects air flap by square flange, other two straight tube passes through
Square flange connects outlet baffle, rubber seal is padded between square flange and outlet baffle, air flap, embedding nut is inlayed
In the fire hole of whole device, measured hole, venthole and detection hole, it is characterised in that: whole device has an air inlet, and two
A venthole；Whole device is tightly connected；Whole device is made of transparent organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120186.8U CN208297496U (en) | 2018-01-24 | 2018-01-24 | A kind of fork pipelines gas explosion experimental simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120186.8U CN208297496U (en) | 2018-01-24 | 2018-01-24 | A kind of fork pipelines gas explosion experimental simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297496U true CN208297496U (en) | 2018-12-28 |
Family
ID=64697155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820120186.8U Expired - Fee Related CN208297496U (en) | 2018-01-24 | 2018-01-24 | A kind of fork pipelines gas explosion experimental simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827996A (en) * | 2019-03-26 | 2019-05-31 | 北京石油化工学院 | Sewage network flammable gas explosion communication process test device and method |
-
2018
- 2018-01-24 CN CN201820120186.8U patent/CN208297496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827996A (en) * | 2019-03-26 | 2019-05-31 | 北京石油化工学院 | Sewage network flammable gas explosion communication process test device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |