CN109212154A - Gas burst Thermal-mechanical Coupling damage effect experimental provision - Google Patents
Gas burst Thermal-mechanical Coupling damage effect experimental provision Download PDFInfo
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- CN109212154A CN109212154A CN201810715146.2A CN201810715146A CN109212154A CN 109212154 A CN109212154 A CN 109212154A CN 201810715146 A CN201810715146 A CN 201810715146A CN 109212154 A CN109212154 A CN 109212154A
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- 230000006378 damage Effects 0.000 title claims abstract description 43
- 230000000694 effects Effects 0.000 title claims abstract description 41
- 230000008878 coupling Effects 0.000 title claims abstract description 31
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 31
- 238000004880 explosion Methods 0.000 claims abstract description 126
- 239000000428 dust Substances 0.000 claims abstract description 48
- 238000013022 venting Methods 0.000 claims abstract description 48
- 238000001931 thermography Methods 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 4
- 230000001953 sensory effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 41
- 239000012634 fragment Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 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
- G01N33/227—Explosives, e.g. combustive properties thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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Abstract
The invention discloses a kind of gas burst Thermal-mechanical Coupling damage effect experimental provisions, including explosion generator and outfield damage effect testing agency.Explosion one side of generator is equipped with flame forms watch window and is equipped with high patience organic glass, and side adjacent thereto is equipped with venting of dust explosion mouth and is equipped with venting of dust explosion component.Generator bottom surface explode equipped with an aspirating hole and at least four air inlet, connects and composes air distribution system with vacuum pump and gas cylinder respectively.Explosion generator top surface and a side are separately installed with several pressure sensors and temperature sensing component.Venting of dust explosion mouth exterior space is equipped with the place mat arc area of uniform fine sand, is provided with pressure sensor and concrete slab on the region.Setting infrared high-speed photographic apparatus and infrared thermography instrument at arc area edge.The present invention Thermal-mechanical Coupling damage effect inside and outside for analog study gas burst condition flowering structure can integrate and reproduce a variety of damage types that real gas explosion generates.
Description
Technical field
The invention belongs to safety engineering prevention technical fields, and in particular to a kind of gas burst Thermal-mechanical Coupling destruction effect
Answer experimental provision.
Background technique
As Gas Energy Source is used widely in people's lives, the gas burst disaster in building structure has become
One of the major casualty faced in people's production and living.Inside configuration gas burst can cause the pressure in space to increase, temperature
It increases.Building structure, inner facility and indoor occupant will receive seriously under the Thermal-mechanical Coupling damage effect of superpressure and high temperature
Damage.Meanwhile the gas burst in building structure is usually associated with the breakdown of weak component and releases, thus caused by pressure let out
It puts, flame is released and punctures the fragmentation of component can generate damage effect to periphery personnel's facility.It can be seen that for gas
Including explosion, the Thermal-mechanical Coupling damage effect that outfield generates studied the protection for gas burst disaster with important meaning
Justice.Based on this, currently there is an urgent need to a kind of gas burst Thermal-mechanical Coupling damage effect experimental provisions.
Existing gas burst experimental provision is mostly spherical or cylindrical container, larger with practical building structure difference.Research
Person is main to study pressure change caused by gas burst in restricted clearance by testing in these experiment containers, and right
The Study on Temperature Effects caused by exploding is less, for high temperature and high pressure influence each other and Thermal-mechanical Coupling damage effect is even more very
It is related to less.Meanwhile existing research is concentrated mainly on inside building structure, for neighboring buildings structure because superpressure caused by venting of dust explosion,
The coupling damage effect that heat radiation, breakdown fragment generate seldom is paid close attention to.
It can be seen that existing technical problem is: current research only focuses on a certain individual destruction of gas burst generation
Effect, it is larger with actual conditions difference, real working condition can not be reproduced and be studied.One kind is needed to comprehensively consider gas now
The experimental provision to explode to a variety of damage effects of the inside and outside generation of building structure destroys effect with the practical coupling generated to gas explosion
It should be studied.
Summary of the invention
It is an object of the present invention to provide a kind of gas burst Thermal-mechanical Coupling damage effect experimental provisions, for simulating real gas
The coupling of a variety of damage effects generated under explosion environment provides theoretical reference and technical support for engineering protection.
The technical solution for realizing the aim of the invention is as follows: a kind of gas burst Thermal-mechanical Coupling damage effect experimental provision,
Including explosion generator and outfield damage effect testing agency, the explosion generator includes explosion generator shell, explosion-proof wind
Fan matches pneumatic module, fixation kit, venting of dust explosion component, concentration analyzer, igniter, high-speed photography, vacuum pump, gas cylinder, 2-5
Pressure sensor and 2-5 temperature sensing component, the explosion generator shell be it is rectangular, it is internal for explosion generation cavity, it is quick-fried
Fried one side of generator shell is equipped with flame forms watch window, and high-speed photography is located at outside explosion generator shell, just
Shooting record is carried out to flame forms watch window, the side adjacent with flame forms watch window is equipped with is equipped with venting of dust explosion mouth,
Venting of dust explosion component is fixed on explosion generator shell outer wall and seals venting of dust explosion mouth, and explosion-proof fan matches pneumatic module, pressure sensor, temperature
Degree sensory package is arranged in explosion generator shell, and explosion generator shell bottom center is equipped with an aspirating hole, explosion
Vacuum pump of the generator shell bottom surface around at least symmetrical 4 air inlets of aspirating hole, outside explosion generator shell
It is connect with aspirating hole, the gas cylinder outside explosion generator shell is connect by air inlet pipe with air inlet, is exploded outside generator
Shell top surface is equipped with 2-5 pressure sensor mounting hole, is equipped with a pressure sensor in each pressure sensor mounting hole, quick-fried
The fried generator shell side opposite with the side of flame forms watch window is equipped with is equipped with an igniter mounting hole and 2-5
A temperature sensing component mounting hole fixes a temperature sensing component in each temperature sensing component mounting hole, and fixation kit is set
It sets outside explosion generator shell, explosion generator shell is fixed on the ground, igniter is fixed on igniter installation
In hole, explosion generator shell top surface is equipped with gas collecting hole, and concentration analyzer is connect by suction hose with gas collecting hole.
The temperature sensing component includes temperature sensor and heat insulating sleeve, and temperature sensor is arranged in heat insulating sleeve,
The detecting head of temperature sensor stretches out heat insulating sleeve, and temperature sensor is connected with external data collector, the pressure sensing
Device outer wall is equipped with thermal insulation layer.
The explosion occurs shell and uses steel construction, is fixed with high patience organic glass on flame forms watch window.
Described to include at least 4 vertical elongated air inlet pipe with pneumatic module, gather tiny stomata in vertical elongated air inlet pipe, erects
Straight elongated air inlet pipe is connect with air inlet.
The venting of dust explosion component includes press box and venting of dust explosion plate, and the size of venting of dust explosion plate is greater than the size of venting of dust explosion mouth, blocks venting of dust explosion mouth
And fixed by press box and explosion generator shell outer wall, venting of dust explosion plate surface is decorated with grid and paints different colours.
The venting of dust explosion component includes press box and venting of dust explosion film, and the size of venting of dust explosion film is greater than the size of venting of dust explosion mouth, blocks venting of dust explosion mouth
And it is fixed by press box and explosion generator shell outer wall.
The fixation kit includes four metabs and 4n group drawing cable mechanism, and n >=1, four metabs are symmetrical
It is anchored in explosion generator shell bottom outer wall, and with ground, the connected one group of drag-line in each side for the generator shell that explodes
Mechanism.
The drawing cable mechanism includes anchor tip, flexible cable, adjusts latch closure and rivet, and anchor tip is connected in explosion hair
The side outer wall of raw device shell, flexible cable one end and anchor tip are connected, and the other end is connected by rivet and ground.
It includes that place mat has the arc area of uniform fine sand, is mounted on support with adjustable that damage check mechanism is destroyed in the outfield
On pressure sensor, the concrete slab, infrared high-speed photographic apparatus, infrared thermography instrument and the displacement that are mounted on metallic support
Meter, infrared high-speed photographic apparatus and infrared thermography instrument are arranged at arc area edge, and the arc area is located at venting of dust explosion mouth
Outside, displacement meter are fixed on the quick-fried face of back of concrete slab, and infrared high-speed photographic apparatus shoots the flame status for being released to outfield, together
When infrared thermography instrument record outfield heat radiation situation.
Compared with prior art, the present invention its remarkable advantage is:
It (1) being capable of the Thermal-mechanical Coupling damage effect that is generated in the inside and outside field of building structure of true reappearance real gas explosion.
(2) the elongated air inlet pipe of the densely covered pore in surface is connected with bottom surface air inlet, and explosion-proof fan is opened always in intake process
Open, top surface open up gas collecting channel be connected with concentration analyzer carry out Concentration Testing, it is ensured that the uniformity of internal gas.
(3) the venting of dust explosion plate surface is decorated with grid and paints different colours, and arc Experimental Area is covered with uniform fine sand to winged
Scattered fragment plays buffer function.It can recorde the path of dispersing of fragment, speed of dispersing by this method combination high-speed photography
With damage effect, the accuracy and convenience of record data are improved.
(4) by temperature measuring device, pressure sensor and transparent windows, research space internal gas explosion is generated
Superpressure effect, temperature effect and law of flame, assess gas explosion internal field Thermal-mechanical Coupling damage effect.
(5) by pressure sensor, infrared high-speed photographic apparatus, infrared thermography instrument and displacement meter, research venting of dust explosion causes
Explosion overpressure, heat radiation, the fragment that disperses synthetical destruction effect that outfield building structure is generated.
Detailed description of the invention
Fig. 1 is the overall structure diagram of gas burst Thermal-mechanical Coupling damage effect experimental provision of the present invention.
Fig. 2 is the front view of gas burst Thermal-mechanical Coupling damage effect experimental provision of the present invention.
Wherein, steel construction explosion generator shell 1, flexible cable 2, adjusting latch closure 3, anchor tip 4, fixed riveting 5, metal
Pedestal 6, air inlet 7, vertical elongated air inlet pipe 8, aspirating hole 9, explosion-proof fan 10, observation window 11, gas collecting hole 12, concentration point
Analyzer 13, pressure sensor 14, temperature sensing component 15, igniter 16, fixed press box 17, rotation hinge 18, venting of dust explosion plate 19,
High-speed photography 20, gas cylinder 21, infrared thermography instrument 22, infrared high-speed photographic apparatus 23, support 24, pressure sensor 25, metal
Bracket 26, concrete slab 27, displacement meter 28, the place mat arc area 29 of uniform fine sand.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
Outside gas burst Thermal-mechanical Coupling damage effect experimental provision combined with Figure 1 and Figure 2, including steel construction explosion generator
Shell 1, each lateral outer of shell are welded with anchor tip 4, are connect by flexible cable 2 with the fixing rivet 5 on ground, flexible cable
2 elasticity is controlled by adjusting latch closure 3；The angle punishment of steel construction explosion 1 bottom of generator shell four is furnished with 4 metabs 6,
It is fixed by setscrew and ground.
Explosion generator shell bottom center is equipped with an aspirating hole 9 and is controlled to a vacuum pump, symmetrical around aspirating hole 9
Multiple air inlets 7 are connect with the gas cylinder 21 outside steel construction explosion generator shell 1, the air inlet inside explosion generator shell
7 connect with punctulate vertical elongated air inlet pipe 8 is distributed.Explosion-proof fan 10 is mounted on explosion generator inner bottom surface, and wind direction hangs down
It is straight upward.
Explosion generator shell upper side is equipped with pressure sensor 14 and gas collecting channel 12, and the gas of acquisition passes through
Hose is sent to concentration analyzer 13 to determine concentration inside.
Cavity is equipped with observation window 11 on one side, organic glass is covered on observation window 11, and fix by glass cement
To guarantee the air-tightness of cavity.Flame forms variation inside explosion generator shell 1 is by being located at outside explosion generator shell 1
The high-speed photography 20 of face flame forms watch window 11 records.
The side of face observation window is equipped with igniter 16 and temperature sensing component 15 on explosion generator shell 1.Temperature
Degree sensory package 15 is fixed using spiral way, and sealant tape is wound at screw socket；Igniter 16 includes igniter head, ring flange
It with ignition controller, is installed using spiral way, electric resistor heating type igniter head or electrical fire fancy point can be used according to requirement of experiment
Duration and degree of heating replaces different type igniter head by ring flange, and ignition energy or firing temperature are controlled by ignition controller.
Explosion generator shell 1 side adjacent with observation window 11 is provided with venting of dust explosion mouth.It is opened by rotation hinge 18 solid
Venting of dust explosion plate 19 is mounted on venting of dust explosion mouth and is fixed with fixed press box 17 by level pressure frame 17.If fixed press box 17 is by along perimeter
A dry equally distributed bolt clamps venting of dust explosion component 19, and it is close that gasket progress is posted between venting of dust explosion plate 19 and explosion cavity 1
Envelope.
The exterior space of face venting of dust explosion mouth is equipped with the place mat arc area 29 of uniform fine sand, is provided with and has on the region
The pressure sensor 25 of support with adjustable 24 and the concrete slab 27 being mounted on metallic support 26.The quick-fried side installation of concrete backboard
There is displacement meter 28.Setting infrared high-speed photographic apparatus 23 and infrared thermography instrument 22 at arc area edge.
The explosion generator shell 1 is made of high-strength steel sheet, and each face junction uses reinforcement of weld, and highest can be born
The superpressure of 1Mpa.1 geometric dimension of generator shell of exploding is similar with practical building structure, and draw ratio is less than 3.
Distribution process uses vacuum pump that will be evacuated to inside explosion generator shell 1 by being located at the aspirating hole 9 of bottom surface first
Then fuel gas in gas cylinder 21 is conveyed by multiple air inlets 7 for being evenly arranged in bottom surface with partial pressure method by vacuum
Inside explosion generator shell 1.Air inlet 7 is connect in 1 inside of explosion cavity with punctulate vertical elongated air inlet pipe 8 is distributed,
Guarantee that gas is evenly distributed in intake process.Explosion-proof fan 10 is always in distribution composition, and concentration analyzer 13 is by being located at
The gas collecting channel 12 of top surface is evacuated, and guarantees the accuracy of measurement concentration.
2-5 pressure sensor 14 is mounted on explosion 1 top surface of generator shell, 14 table of pressure sensor by spiral way
Face is equipped with thermal insulation layer.Temperature sensing component 15 is mounted on explosion 1 same side of generator shell with igniter 16, and is furnished with
Heat insulating sleeve can go deep into inside explosion generator shell 1.Pressure sensor 14 and temperature sensing component 15 and explosion cavity 1
Interface use sealant close to guarantee its air-tightness, the other end is connect to record internal pressure and temperature with data collector
Variation.
19 surface of venting of dust explosion plate has divided grid in advance and has painted different colours, and fragment can disperse to outside after breakdown
In the rectangular area 29 in space.It is covered with uniform fine sand in rectangular area 29, the fragment to disperse can be buffered, records fragment
The initial position to disperse.
The infrared high-speed photography 23 at 29 edge of rectangular area can recorde the flight path for the fragment that disperses, and then deduce it
The destruction momentum of generation.The infrared thermography instrument 22 at 29 edge of rectangular area can recorde release heat radiation caused by flame with
Exterior temperature change situation.
Pressure sensor 25 is screwedly mounted on support 24 by spiral interface, for recording the pressure condition of external freedom field.
24 junction of support is provided with rotating bolt and A-frame, the height and angle of adjustable sensor.
Concrete slab 27 is paid in advance on metallic support 26, and using the clamped mode in four ends, displacement meter 28 is placed on concrete slab
The 27 quick-fried face centers of back.Metal framework 26 and ground are fixed by setscrew.
Gas burst Thermal-mechanical Coupling damage effect Comprehensive Experiment step:
Step 1 lifts explosion generator shell 1 to specified place, and with the flexible steel of the metab 6 of bottom and side
Rope 2 is fixed.
Step 2 divides arc Experimental Area 29 and uniformly spreads fine sand.Installation is erected at branch on arc Experimental Area 29
Pressure sensor 25 on seat 24 and the concrete slab 27 that is fixed on metal framework 26.
Step 3 has divided the venting of dust explosion component 19 of grid in the installation of venting of dust explosion mouth in advance, and has used 17 fixing seal of press box.
Step 4 installs pressure sensor 14, temperature sensing component 15 and igniter 16 on explosion cavity 1.In outside
The position of face observation window sets up high-speed photography 20, sets up infrared thermography instrument 22 and infrared high-speed at 29 edge of arc area
Photographic apparatus 23.
Step 5 is evacuated using vacuum pump by aspirating hole 9.Explosion-proof fan 10 is opened after pumping, by gas cylinder 21
In fuel gas be uniformly delivered in explosion generator shell 1 by air inlet 7 via elongated admission line 8 with partial pressure method
Portion, while opening concentration analyzer 13 and detecting concentration inside.
Air distribution system, turn-on data acquisition system are closed when reaching prescribed concentration inside step 6, explosion generator shell 1
And external high-speed photography, personnel retreat to outside safe distance, starting ignition system 16.
Step 7, with high-speed photography 20 by observation window 11 record internal flame development, by pressure sensor 14 with
Temperature sensing component 15 records internal Thermal-mechanical Coupling damage effect.With infrared thermography instrument 22 and infrared high-speed photographic apparatus 23
Record outfield heat radiation and separation of fragments situation.It is dynamic to involve structure with pressure sensor 25 and the measurement of displacement meter 28 outfield pressure
Force-responsive situation.
In conclusion the present invention being capable of gas burst Thermal-mechanical Coupling damage effect in true reappearance actual condition.It is comprehensive
It, can a variety of damage effects to gas burst in the inside and outside generation of building structure and its interaction with a variety of measurement means
It is studied.
Claims (9)
1. a kind of gas burst Thermal-mechanical Coupling damage effect experimental provision, it is characterised in that: broken including explosion generator and outfield
Bad effect testing agency, the explosion generator include explosion generator shell (1), explosion-proof fan (10), match pneumatic module, fixation
Component, venting of dust explosion component, concentration analyzer (13), igniter (16), high-speed photography (20), vacuum pump, gas cylinder (21), 2-5
Pressure sensor (14) and 2-5 temperature sensing component (15), the explosion generator shell (1) be it is rectangular, internal is quick-fried
Fried generation cavity, explosion (1) side of generator shell are equipped with flame forms watch window (11), and high-speed photography (20) is located at
Exploding, generator shell (1) is external, and face flame forms watch window (11) carries out shooting record, observes with flame forms are equipped with
The adjacent side of window (11) is equipped with venting of dust explosion mouth, and venting of dust explosion component is fixed on explosion generator shell (1) outer wall and seals venting of dust explosion
Mouthful, explosion-proof fan (10) is arranged at outside explosion generator with pneumatic module, pressure sensor (14), temperature sensing component (15)
In shell (1), explosion generator shell (1) bottom center is equipped with an aspirating hole (9), and explosion generator shell (1) bottom surface is surround
At least symmetrical 4 air inlets (7) of aspirating hole (9) are located at explosion generator shell (1) external vacuum pump and aspirating hole
(9) it connects, is located at the external gas cylinder (21) of explosion generator shell (1) and is connect by air inlet pipe with air inlet (7), explosion occurs
Device shell (1) top surface is equipped with 2-5 pressure sensor mounting hole, and a pressure is equipped in each pressure sensor mounting hole and is passed
Sensor (14), explosion generator shell (1) side opposite with the side of flame forms watch window (11) is equipped with are equipped with one
A igniter mounting hole and 2-5 temperature sensing component mounting hole fix a temperature in each temperature sensing component mounting hole
Sensory package (15), fixation kit setting is external in explosion generator shell (1), is fixed on ground for explosion generator shell (1)
On face, igniter (16) is fixed in igniter mounting hole, and explosion generator shell (1) top surface is equipped with gas collecting hole
(12), concentration analyzer (13) is connect by suction hose with gas collecting hole (12).
2. gas burst Thermal-mechanical Coupling damage effect experimental provision according to claim 1, it is characterised in that: the temperature
Sensory package (15) includes temperature sensor and heat insulating sleeve, and temperature sensor is arranged in heat insulating sleeve, temperature sensor
Detecting head stretches out heat insulating sleeve, and temperature sensor is connected with external data collector, and pressure sensor (14) outer wall is set
There is thermal insulation layer.
3. gas burst Thermal-mechanical Coupling damage effect experimental provision according to claim 1, it is characterised in that: the explosion
Shell (1) occurs and uses steel construction, is fixed with high patience organic glass on flame forms watch window (11).
4. gas burst Thermal-mechanical Coupling damage effect experimental system according to claim 1, it is characterised in that: the distribution
Component includes at least 4 vertical elongated air inlet pipe (8), and gather tiny stomata on vertical elongated air inlet pipe (8), vertical elongated air inlet
Pipe (8) is connect with air inlet (7).
5. gas burst Thermal-mechanical Coupling damage effect experimental system according to claim 1, it is characterised in that: the venting of dust explosion
Component includes press box (17) and venting of dust explosion plate (19), and the size of venting of dust explosion plate is greater than the size of venting of dust explosion mouth, blocks venting of dust explosion mouth and pass through pressure
Frame (17) is fixed with explosion generator shell (1) outer wall, and venting of dust explosion plate (19) surface is decorated with grid and paints different colours.
6. gas burst Thermal-mechanical Coupling damage effect experimental system according to claim 1, it is characterised in that: the venting of dust explosion
Component includes press box (17) and venting of dust explosion film, and the size of venting of dust explosion film is greater than the size of venting of dust explosion mouth, blocks venting of dust explosion mouth and pass through press box
(17) it is fixed with explosion generator shell (1) outer wall.
7. gas burst Thermal-mechanical Coupling damage effect experimental system according to claim 1, it is characterised in that: the fixation
Component includes four metabs (6) and 4n group drawing cable mechanism, n >=1, and four metabs (6) are symmetrically distributed in explosion
Device shell (1) bottom outer wall, and anchored with ground, the connected one group of drawing cable mechanism in each side of explosion generator shell (1).
8. gas burst Thermal-mechanical Coupling damage effect experimental system according to claim 7, it is characterised in that: the drag-line
Mechanism includes anchor tip (4), flexible cable (2), adjusts latch closure (3) and rivet (5), and anchor tip (4) is connected in explosion hair
The side outer wall of raw device shell (1), flexible cable (2) one end and anchor tip (4) are connected, and the other end passes through rivet (5) and ground
Face is connected.
9. gas burst Thermal-mechanical Coupling damage effect experimental system according to claim 1, it is characterised in that: the outfield
Destroying damage check mechanism includes that place mat has the arc area (29) of uniform fine sand, the pressure being mounted on support with adjustable (24)
Sensor (25), the concrete slab (27) being mounted on metallic support (26), infrared high-speed photographic apparatus (23), infrared thermography
Instrument (22) and displacement meter (28), infrared high-speed photographic apparatus (23) and infrared thermography instrument (22) are arranged in arc area (29)
Edge, the arc area (29) are located on the outside of venting of dust explosion mouth, and displacement meter (28) is fixed on the quick-fried face of back of concrete slab (27), red
Outer high-speed camera (23) shooting is released to the flame status in outfield, while the hot spoke in infrared thermography instrument (22) record outfield
Penetrate situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715146.2A CN109212154B (en) | 2018-07-03 | 2018-07-03 | Gas explosion thermodynamic coupling destructive effect experimental device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810715146.2A CN109212154B (en) | 2018-07-03 | 2018-07-03 | Gas explosion thermodynamic coupling destructive effect experimental device |
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| CN109212154A true CN109212154A (en) | 2019-01-15 |
| CN109212154B CN109212154B (en) | 2023-11-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752505A (en) * | 2019-02-26 | 2019-05-14 | 北京理工大学 | A kind of vessel pressurization blast analogue system |
| CN116735388A (en) * | 2023-08-15 | 2023-09-12 | 航天氢能科技有限公司 | System and method for testing anti-explosion performance of hydrogen explosion anti-explosion material |
| CN117191874A (en) * | 2023-09-01 | 2023-12-08 | 山东科技大学 | Hydrogen explosion hazard prediction method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU958966A1 (en) * | 1981-01-19 | 1982-09-15 | Московский Ордена Трудового Красного Знамени Инженерно-Физический Институт | Method of determination of gas mixture detonation presence |
| US4538448A (en) * | 1982-12-14 | 1985-09-03 | Charbonnages De France | Method and device for determining of explosivity rate of gaseous medium |
| US20040011136A1 (en) * | 2002-07-16 | 2004-01-22 | Berman Stephen Bruce | Shock wave vibration generator for measuring or testing or imaging purposes |
| CN101089619A (en) * | 2006-06-14 | 2007-12-19 | 中国科学院大连化学物理研究所 | Device for investigating low pressure easy explosion gas |
| US20090277655A1 (en) * | 2008-03-31 | 2009-11-12 | Decourcy Michael S | Method and apparatus for deflagration pressure attenuation |
| CN102879429A (en) * | 2012-10-11 | 2013-01-16 | 南京工业大学 | Testing system for gas explosion characteristic size effect |
| KR20130003130U (en) * | 2011-11-18 | 2013-05-28 | 대우조선해양 주식회사 | An apparatus for making gas explosion |
| CN104374893A (en) * | 2014-12-11 | 2015-02-25 | 哈尔滨东方报警设备开发有限公司 | Explosion-proof gas circuit detecting device with double-row gas holes |
| CN105651589A (en) * | 2016-01-11 | 2016-06-08 | 中国人民解放军理工大学 | Simulation testing method for testing stress state and response of deep rock mass |
| KR20160108788A (en) * | 2015-03-06 | 2016-09-20 | (주) 우성정공 | Explosion prevention lamp for offshore plant |
| RU2602552C1 (en) * | 2016-03-14 | 2016-11-20 | Олег Савельевич Кочетов | Method for determination of explosion protection efficiency and device therefor |
| CN106226021A (en) * | 2016-08-29 | 2016-12-14 | 中国人民解放军理工大学 | Gas burst pressure produces and loading experimental apparatus |
| CN206019982U (en) * | 2016-08-29 | 2017-03-15 | 中国人民解放军理工大学 | Gas burst pressure is produced and loading experimental apparatus |
| CN107831028A (en) * | 2017-12-06 | 2018-03-23 | 北京石油化工学院 | A kind of more mouthfuls of coupling venting of dust explosion measure of merit devices of combustible dust and method of testing |
| CN208833749U (en) * | 2018-07-03 | 2019-05-07 | 中国人民解放军陆军工程大学 | Gas burst Thermal-mechanical Coupling damage effect experimental provision |
-
2018
- 2018-07-03 CN CN201810715146.2A patent/CN109212154B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU958966A1 (en) * | 1981-01-19 | 1982-09-15 | Московский Ордена Трудового Красного Знамени Инженерно-Физический Институт | Method of determination of gas mixture detonation presence |
| US4538448A (en) * | 1982-12-14 | 1985-09-03 | Charbonnages De France | Method and device for determining of explosivity rate of gaseous medium |
| US20040011136A1 (en) * | 2002-07-16 | 2004-01-22 | Berman Stephen Bruce | Shock wave vibration generator for measuring or testing or imaging purposes |
| CN101089619A (en) * | 2006-06-14 | 2007-12-19 | 中国科学院大连化学物理研究所 | Device for investigating low pressure easy explosion gas |
| US20090277655A1 (en) * | 2008-03-31 | 2009-11-12 | Decourcy Michael S | Method and apparatus for deflagration pressure attenuation |
| KR20130003130U (en) * | 2011-11-18 | 2013-05-28 | 대우조선해양 주식회사 | An apparatus for making gas explosion |
| CN102879429A (en) * | 2012-10-11 | 2013-01-16 | 南京工业大学 | Testing system for gas explosion characteristic size effect |
| CN104374893A (en) * | 2014-12-11 | 2015-02-25 | 哈尔滨东方报警设备开发有限公司 | Explosion-proof gas circuit detecting device with double-row gas holes |
| KR20160108788A (en) * | 2015-03-06 | 2016-09-20 | (주) 우성정공 | Explosion prevention lamp for offshore plant |
| CN105651589A (en) * | 2016-01-11 | 2016-06-08 | 中国人民解放军理工大学 | Simulation testing method for testing stress state and response of deep rock mass |
| RU2602552C1 (en) * | 2016-03-14 | 2016-11-20 | Олег Савельевич Кочетов | Method for determination of explosion protection efficiency and device therefor |
| CN106226021A (en) * | 2016-08-29 | 2016-12-14 | 中国人民解放军理工大学 | Gas burst pressure produces and loading experimental apparatus |
| CN206019982U (en) * | 2016-08-29 | 2017-03-15 | 中国人民解放军理工大学 | Gas burst pressure is produced and loading experimental apparatus |
| CN107831028A (en) * | 2017-12-06 | 2018-03-23 | 北京石油化工学院 | A kind of more mouthfuls of coupling venting of dust explosion measure of merit devices of combustible dust and method of testing |
| CN208833749U (en) * | 2018-07-03 | 2019-05-07 | 中国人民解放军陆军工程大学 | Gas burst Thermal-mechanical Coupling damage effect experimental provision |
Non-Patent Citations (6)
| Title |
|---|
| SONG SUN ET AL.: ""Effect of vent conditions on internal overpressure time-history during a vented explosion"", 《JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES》, vol. 54, pages 85 - 92 * |
| 孙松等: ""大尺度泄爆构件对室内爆燃压力影响的实验研究"", 《爆炸与冲击》, no. 02, pages 122 - 129 * |
| 胡可等: ""圆柱壳容器内部可燃气体爆炸冲击作用的 双向流固耦合模拟"", 《建筑结构学报》, vol. 37, no. 1, pages 211 * |
| 郭强等: ""方形空间可燃气体爆燃泄爆实验及三维数值模拟研究"", 《爆炸与冲击》, no. 05, pages 165 - 171 * |
| 高康华等: ""建筑物内气体爆炸效应简化计算研究综述"", 《爆炸与冲击》, vol. 38, no. 2, pages 443 - 454 * |
| 黄甄等: ""工业容器气体泄爆实验研究"", 《煤炭学报》, no. 2, pages 126 - 130 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752505A (en) * | 2019-02-26 | 2019-05-14 | 北京理工大学 | A kind of vessel pressurization blast analogue system |
| CN116735388A (en) * | 2023-08-15 | 2023-09-12 | 航天氢能科技有限公司 | System and method for testing anti-explosion performance of hydrogen explosion anti-explosion material |
| CN116735388B (en) * | 2023-08-15 | 2024-02-13 | 航天氢能科技有限公司 | System and method for testing anti-explosion performance of hydrogen explosion anti-explosion material |
| CN117191874A (en) * | 2023-09-01 | 2023-12-08 | 山东科技大学 | Hydrogen explosion hazard prediction method |
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