CN208420572U - Steel oil storage tank wall surface damage experiment platform under multi-disaster coupling effect - Google Patents
Steel oil storage tank wall surface damage experiment platform under multi-disaster coupling effect Download PDFInfo
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- CN208420572U CN208420572U CN201821223104.9U CN201821223104U CN208420572U CN 208420572 U CN208420572 U CN 208420572U CN 201821223104 U CN201821223104 U CN 201821223104U CN 208420572 U CN208420572 U CN 208420572U
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- 238000003860 storage Methods 0.000 title claims abstract description 42
- 238000002474 experimental method Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 230000006378 damage Effects 0.000 title abstract description 9
- 230000001808 coupling effect Effects 0.000 title abstract description 4
- 238000012360 testing method Methods 0.000 claims abstract description 97
- 239000011888 foil Substances 0.000 claims abstract description 48
- 238000004880 explosion Methods 0.000 claims abstract description 39
- 239000012634 fragment Substances 0.000 claims abstract description 34
- 238000013022 venting Methods 0.000 claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 73
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 239000000428 dust Substances 0.000 claims description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 238000005266 casting Methods 0.000 claims description 18
- 238000005422 blasting Methods 0.000 claims description 15
- 238000004088 simulation Methods 0.000 claims description 15
- 238000013480 data collection Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 239000002737 fuel gas Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000011160 research Methods 0.000 abstract description 8
- 238000005485 electric heating Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- -1 Q245 steel Chemical class 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model relates to a steel oil storage tank wall destruction experiment platform under the coupling effect of multiple disasters relates to a storage tank district conflagration, the experimental platform and the experimental method that experimental research was carried out to neighbouring building (structure) wall destruction to the coupling effect of multiple disasters of explosion. The device comprises a test piece, a bracket, a simulated fragment ejection device, a gas explosion shock wave generating device, a radiant electric heating device and an experimental measurement acquisition system; the radiant electric heating device is hung on the bracket through the hook and is positioned right in front of the test piece; the temperature controller can record temperature data measured by the thermocouple; the simulated fragment ejection device is fixed on the adjustable bracket; the gas explosion shock wave generating device comprises a combustible gas distribution instrument and an explosion venting port; the experimental measurement and acquisition system comprises a data acquisition system, a laser displacement sensor, a high-speed camera, a high-temperature foil type resistance strain gauge and a high-frequency pressure sensor.
Description
Technical field
What is involved is one for steel oil storage tank wall surface breaking test platform under the utility model disaster-ridden kind of coupling of one kind
Disaster-ridden kind of kind tank area fire, explosion coupling carry out the experiment of experimental study to neighbouring buildings or structures wall surface destruction
Platform and its experimental method, specifically a kind of research fire, explosion accident couple the experiment porch of destruction to storage tank wall surface
And its method.
Background technique
The disaster accident being directed in particular space carries out experimental study according to full-scale physical model, then exists
Certain difficulty, and it is a kind of necessary, scientific, economical and cut for being conducted a research using the simulated experiment model of certain proportion ruler
Real feasible means, existing most of experimental system for simulating platform both at home and abroad is all based on scale simulation technology, in conjunction with spy
Fixed demand and development and design.For example, Lu Shengzhuo uses the storage of 1/100 minification in terms of storage tank failure mechanism research
Tank model studies storage tank failure mechanism under shock.Zhu east is hit using the storage tank model research of radius 200mm to be made
With the power response procedure of lower storage tank.However, existing experimental system function is all more single, it is unable to satisfy disaster-ridden kind of coupling and makees
With the needs of research.Up to the present, there are no a kind of experiment porch of system and method destroys for studying disaster-ridden kind of coupling
Effect.
The consumption of petroleum amount of China occupies the second in the world, is only second to the U.S..2003, China started to establish national strategy stone
Oil deposit base, and plan that point three phases complete hardware facilities construction.With the successive expansion of national petroleum reserve's base project, greatly
The construction and development of fashioned iron oil storage tank also enter history peak period.The capacity of China's steel petroleum storage tank has reached 15 ×
104m3, researching and developing volume is 20 × 104m3Above ultra-large oil storage tank.However, along with oil product storage scale and
The continuous expansion of application range is happened occasionally by its explosion accident caused.
Summary of the invention
The utility model aim is for the technical problem to be solved is that the steel provided under disaster-ridden kind of coupling of one kind
Oil storage tank wall surface breaking test platform processed, can simulate projectile projectile impact, gas burst shock wave and heat radiation three simultaneously
Kind accident, and experimental study can be carried out for the test specimen of different-thickness, material, feature-rich, research is comprehensive, application range
Extensively.
A kind of steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling is to take following technical scheme real
Existing:
A kind of steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling includes that test specimen, bracket, simulation are broken
Piece casting device, gas burst blast wave generating apparatus, radiant type electric heater unit, experiment measurement acquisition system.
The radiant type electric heater unit is suspended on bracket by hook, is located at immediately ahead of test specimen, size and test specimen phase
Together, radiant type electric heater unit is connect with temperature controller, and temperature controller is connect with the thermocouple at the test specimen back side, for controlling
Test specimen temperature；
The temperature controller can record the temperature data of thermocouple measurement；
The simulation fragment casting device is fixed on adjustable support, by the rising for adjusting screw rod on adjustable support
Height adjusts projectile angle, and nut is used to the position of standing screw；
The gas burst blast wave generating apparatus includes fuel gas distributing instrument, to control fuel gas and air
Mixed proportion is to control the intensity of explosion wave；
The gas burst blast wave generating apparatus includes venting of dust explosion mouth, the impact that gas burst generates in blasting pot cavity
Wave acts on storage tank physical model wall surface by venting of dust explosion mouth；
The experiment measurement acquisition system includes data collection system, laser displacement sensor, high-speed camera instrument, high temperature foil
Formula resistance strain gage and high-frequency pressure sensor；The laser displacement sensor, high temperature foil resistance foil gauge and pressure sensing
Device is connected by cable with data collection system, and laser displacement sensor, high temperature foil are recorded and saved by data collection system
The measuring signal of formula resistance strain gage, high-frequency pressure sensor.
Wherein: test specimen is sheet metal commonly used by large-scale storage tank；Simulation fragment casting device can simulate different quality, speed
Degree and the fragment projecting process for casting angle；Gas burst blast wave generating apparatus can be mixed by lighting the combustibility of various concentration
It closes gas and generates different size of explosion wave；Radiant type electric heater unit is adjustable and controls surface of test piece temperature；Experiment
Measure DATA REASONING, acquisition and processing of the acquisition system for storage tank wall surface breaking test under disaster-ridden kind of coupling.
In the above scheme, the test specimen is the common sheet metals such as Q245 steel, Q345 steel.
In the above scheme, the high-pressure gas room of the simulation fragment casting device includes pressure sensor, pressure
Sensor is connected with ejection controller, to control ejection pressure.
In the above scheme, experiment measurement acquisition system includes high-speed camera instrument, can be used for recording the deformation of test specimen
Journey.
In the above scheme, experiment measurement acquisition system includes laser displacement sensor, can be used for measuring test specimen center
Deformation process at point.
In the above scheme, experiment measurement acquisition system includes high temperature foil resistance foil gauge, can be used for measuring test specimen
Strain variation process in deformation process.
In the above scheme, the simulation fragment casting device includes adjustable jack post, to control the front and back of bracket
Height or left and right relative position are to control the projectile angle of projectile.
In the above scheme, the experiment measurement acquisition system is multichannel collecting system, the measurement including multiple spot arrangement
Probe and camera, for being rung to the temperature field in the storage tank damage study experiment under disaster-ridden kind of coupling, pressure field, structure
It answers process to carry out the multi-functional signal measurement of multiple spot, acquisition and processing in real time, and carries out the video acquisition of dynamic development process
With processing.
In the above scheme, the simulation fragment casting device includes objective table, for placing projectile.And include
There is bolt to fix objective table, bolt one end connects cylinder, for controlling the plug of bolt.
A kind of experimental method of steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling, specific experiment behaviour
Make step are as follows:
(1) high temperature foil resistance foil gauge is fastened with glue at the test specimen back side, normal temperature cure at least 24 hours；
(2) test specimen for pasting high temperature foil resistance foil gauge is installed on bracket, is screwed；
(3) high-frequency pressure sensor is installed to pressure sensor mounting hole；
(4) laser displacement sensor is fixed on the test specimen back side, apart from 50-100 centimetres of test specimen, makes the light of sensor emission
Beam is directed at test specimen center；
(5) laser displacement sensor, high temperature foil resistance foil gauge, high-frequency pressure sensor and data collection system are connected
It connects；
(6) high-speed camera instrument is arranged in test specimen side, and high-speed camera instrument is made to be maintained at camera shooting state；
(7) radiant type electric heater unit is suspended on bracket by hook, respectively by radiant type electric heater unit and heat
Galvanic couple is connect with temperature controller；By the temperature-sensing probe of two thermocouples be fixed on the horizontal symmetry-line at the test specimen back side four/
At one and 3/4ths, and fixed by fixture；
(8) heating temperature reached needed for test specimen is set on temperature controller, maximum temperature is 250 DEG C；Open radiation
The power supply of formula electric heater unit, heats test specimen；After reaching set temperature, the temperature of test specimen is maintained；
(9) venting of dust explosion mouth is directed at test specimen, adjusts the distance between venting of dust explosion mouth and test specimen, makes distance between the two at 0 to 1 meter
In range；
(10) venting of dust explosion mouth is sealed with the polyethylene film of 0.05mm, blasting pot is vacuumized with vacuum pump, makes to explode
Vacuum degree in tank is not more than -0.08MPa；
(11) valve for opening air gas cylinder and methane gas cylinder prepares Methane/air mixed gas, methane body with distributing cabinet
Product concentration is injected in blasting pot between 5% to 15%, by the mixed gas of preparation by air inlet；
(12) the fragment outlet alignment test specimen that will simulate fragment casting device, is pushed into high-pressure gas room for objective table, makes close
Seal seals high-pressure gas room, bolt is inserted into the groove on objective table using the piston rod of cylinder, fixed objective table is put into
Spherical fragment, sets the indoor pressure of high-pressure gas on ejection control cabinet, and pressure limit is 1 to 10MPa；
(13) radiant type electric heater unit is removed, is lighted a fire using igniter, explosion wave is discharged by venting of dust explosion mouth
And it is applied to surface of test piece；Meanwhile the valve for unscrewing high pressure gas cylinder pressurizes to high-pressure gas room, when the indoor pressure of high-pressure gas
Reach the pressure set on ejection control cabinet, the piston rod of ejection control cabinet control cylinder extracts bolt, objective table and fragment edge out
Guide rod high speed fly out, rebound after objective table impingement baffles, fragment continuation fly forward, until hit test specimen；
(14) venting pressure at high-frequency pressure sensor acquisition venting of dust explosion mouth；Laser displacement sensor acquires under set temperature
Venting pressure and fragment effect of impact under test specimen central point deformation change procedure；The acquisition setting of high temperature foil resistance foil gauge
At a temperature of venting pressure and fragment effect of impact under test specimen strain variation process.Venting pressure, deformation and the strain of acquisition
It is recorded and is saved by cable input data acquisition system.High-speed camera instrument records the venting pressure and broken under set temperature
The whole deformation process of test specimen under piece effect of impact.
By above-mentioned experimental provision and experimental procedure, fire, explosion coupling are realized to storage tank wall surface destruction
Experimental study.
Steel oil storage tank wall surface breaking test Platform Designing under the utility model disaster-ridden kind of coupling of one kind is reasonable, real
It is compact to test platform structure, it is easy to use.The utility model can simulate projectile projectile impact, gas burst shock wave and heat simultaneously
Three kinds of accidents are radiated, the coupling of two kinds of accident scenes can also be carried out according to actual scene, and can be for unlike material
Test specimen carries out experimental study, and research contents is abundant, and applicability is wide；Simulation fragment casting device described in the utility model is one kind
Novel high pressure gas ejection mode, high degree of automation, experiment is convenient, can be automatically performed ejection process, and test every time
The gas volume of consumption is small；Explosive gas used in gas burst blast wave generating apparatus described in the utility model is first
Alkane, propane, liquefied petroleum gas etc. relatively coincide with the actual accidents scene of steel oil storage tank.
Detailed description of the invention
Below with reference to attached drawing, the utility model is described in further detail
Fig. 1 is the structural schematic diagram of experiment porch described in the utility model；
Fig. 2 is the structural schematic diagram of simulation fragment casting device described in the utility model；
Fig. 3 is the structural schematic diagram of gas burst blast wave generating apparatus described in the utility model.
Figure label:
1, bracket；2, test specimen；3, fragment casting device is simulated；4, gas burst blast wave generating apparatus；5, radiant type electricity
Heating device；6, it links up with；7, thermocouple；8, temperature controller；9, data collection system；10, laser displacement sensor；11, high
Fast video camera；12, high temperature foil resistance foil gauge；13, high-frequency pressure sensor；14, adjustable support；15, screw rod；16, spiral shell
It is female；17, high pressure gas cylinder；18, air compressor；19, cylinder controller；20, bolt；21, cylinder；22, groove；23, guide rod；
24, baffle；25, control cabinet is launched；26, high-pressure gas room；27, pressure sensor；28, sealing ring；29, objective table；30, broken
Piece；31, air gas cylinder；32, methane gas cylinder；33, distributing cabinet；34, blasting pot；35, igniter；36, air inlet；37, vacuum pump；
38, venting of dust explosion mouth；39, pressure sensor mounting hole.
Specific embodiment
The utility model provides the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind, is one
Kind fire, explosion accident couple destruction experiment porch, make with reference to the accompanying drawings and detailed description to the utility model
It further illustrates.
As shown in Figure 1, the experiment porch includes bracket (1), test specimen (2), simulation fragment casting device (3), gas burst
Blast wave generating apparatus (4), radiant type electric heater unit (5) and experiment measurement acquisition system.
The radiant type electric heater unit (5) is suspended on bracket (1) by linking up with (6), is located at immediately ahead of test specimen (2),
Size is identical as test specimen.Radiant type electric heater unit (5) is connect with temperature controller (8), temperature controller (8) and test specimen (2)
The thermocouple (7) at the back side is connected up to the purpose of control test specimen (2) temperature.The thermocouple (7) uses commercially available K-type thermocouple.
The radiant type electric heater unit (5) uses commercial radiation formula electric heater
The temperature controller (8) can record the temperature data of thermocouple (7) measurement.The temperature controller (8) uses
Commercially available flying dragon NHR-5700 type temperature controller.
The simulation fragment casting device (3) is fixed on adjustable support (14), by adjusting adjustable support (14)
The lifting height of upper screw rod (15) adjusts projectile angle, and nut (16) is used to the position of standing screw (15).
The gas burst blast wave generating apparatus includes fuel gas distributing instrument, to control fuel gas and air
Mixed proportion is to control the intensity of explosion wave.
The gas burst blast wave generating apparatus includes venting of dust explosion mouth, the impact that gas burst generates in blasting pot cavity
Wave acts on storage tank physical model wall surface by venting of dust explosion mouth.
The experiment measurement acquisition system includes data collection system (9), laser displacement sensor (10), high-speed camera instrument
(11), high temperature foil resistance foil gauge (12), high-frequency pressure sensor (13).
The laser displacement sensor (10) is located at test specimen (2) back side, apart from 50-100 centimetres of test specimen (2), for measuring
The deflection of test specimen (2) center.
The high-speed camera instrument (11) is located at test specimen (2) side, for recording the deformation of test specimen in loading procedure (2)
Journey.
The high temperature foil resistance foil gauge (12) fastens with glue at test specimen (2) back side, and normal temperature cure at least 24 hours.
The glue uses commercially available F-601 glue.The high temperature foil resistance foil gauge (12) uses commercially available Air China's electrical measurement BAB120-
3BB250 high temperature foil resistance foil gauge.
The high-frequency pressure sensor (13) is mounted on the pressure sensor installation of gas burst blast wave generating apparatus (4)
On hole (39).The high-frequency pressure sensor (13) uses commercially available HM-90 type high-frequency pressure sensor
The laser displacement sensor (10), high temperature foil resistance foil gauge (12) and pressure sensor (13) pass through cable
It is connected with data collection system (9), laser displacement sensor (10), high temperature foil is recorded and saved by data collection system (9)
The measuring signal of formula resistance strain gage (12), high-frequency pressure sensor (13).The laser displacement sensor (10) is using commercially available
Keyemce LK-G3000 type laser displacement sensor.
As shown in Fig. 2, simulation fragment casting device (3) includes high pressure gas cylinder (17), air compressor (18), cylinder control
Device (19), bolt (20), cylinder (21), groove (22), guide rod (23), baffle (24), ejection control cabinet (25), high-pressure gas room
(26), pressure sensor (27), sealing ring (28), objective table (29) and fragment (30).Have on the objective table (29) of the device recessed
Slot (22), bolt (20) are inserted into groove (22), and sealing ring (28) is cooperated to seal high-pressure gas room (26).High-pressure gas room (26)
It is equipped with pressure sensor (27), pressure sensor is connect with ejection control cabinet (25).High-pressure gas room (26) by pipeline with
High pressure gas cylinder (17) connection, cylinder (21) connect with cylinder controller (19), cylinder controller (19) respectively with air compressor
(18) it is connected with ejection control cabinet (25).Bolt (20) is mounted on the piston rod of cylinder (21).
The pressure sensor (27) uses commercially available Jie Folun KS type pressure sensor.The cylinder (21) uses commercially available Asia
Moral morale cylinder.Cylinder controller (19) uses commercially available one ring solenoid directional control valve of Shanghai.It launches control cabinet and high pressure gas electromagnetism is housed
Valve and high pressure gas control switch.
As shown in figure 3, gas burst blast wave generating apparatus (4) includes air gas cylinder (31), methane gas cylinder (32), distribution
Cabinet (33), blasting pot (34), igniter (35), air inlet (36), vacuum pump (37), venting of dust explosion mouth (38), pressure sensor installation
Hole (39).Blasting pot (34) is connect with vacuum pump (37), there is air inlet (36), igniter (35) and venting of dust explosion mouth on blasting pot (34)
(38).There are pressure sensor mounting hole (39) on venting of dust explosion mouth (38), is equipped with high-frequency pressure sensor (13).Air inlet (36) with match
Gas holder (33) connection, distributing cabinet are connect with air gas cylinder (31) and methane gas cylinder (32) respectively.
A kind of experimental method of steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling, specific experiment behaviour
Make step are as follows:
1, Air China's electrical measurement BAB120-3BB250 high temperature foil resistance foil gauge (12) is fastened with glue and is carried on the back in test specimen (2)
Face, normal temperature cure at least 24 hours；
2, the test specimen for pasting high temperature foil resistance foil gauge (12) is installed on bracket (1), is screwed；
3, HM-90 type high-frequency pressure sensor (13) is installed to pressure sensor mounting hole (39)；
4, Keyemce LK-G3000 type laser displacement sensor (10) is fixed on test specimen (2) back side, apart from test specimen (2)
50-100 centimetres, make beam alignment test specimen (2) center of sensor emission；
5, by laser displacement sensor (10), high temperature foil resistance foil gauge (12), high-frequency pressure sensor (13) and number
It is connected according to acquisition system (9)；
6, high-speed camera instrument (11) is arranged in test specimen (2) side, and high-speed camera instrument (11) is made to be maintained at camera shooting state；
7, radiant type electric heater unit (5) are suspended on bracket (1) by linking up with (6), respectively by radiant type electric heating
Device (5) and K-type thermocouple (7) are connect with flying dragon NHR-5700 type temperature controller (8)；By the temperature-sensing probe of two thermocouples
It is fixed at a quarter and 3/4ths of the horizontal symmetry-line at test specimen (2) back side, and is fixed by fixture；
8, the heating temperature reached needed for test specimen (2) is set on temperature controller (8), maximum temperature is 250 DEG C；It opens
The power supply of radiant type electric heater unit (5), heats test specimen；After reaching set temperature, the temperature of test specimen (2) is maintained；
9, venting of dust explosion mouth (38) are directed at test specimen (2), adjust the distance between venting of dust explosion mouth (38) and test specimen (2), makes between the two
Distance within the scope of 0 to 1 meter；
10, venting of dust explosion mouth (38) are sealed with the polyethylene film of 0.05mm, blasting pot (34) is taken out with vacuum pump (37)
Vacuum makes the vacuum degree in blasting pot (34) no more than -0.08MPa；
11, the valve for opening air gas cylinder (31) and methane gas cylinder (32) prepares Methane/air mixing with distributing cabinet (33)
Gas, volume percent methane are injected in blasting pot between 5% to 15%, by the mixed gas of preparation by air inlet (36)；
12, objective table (29) are pushed into high-pressure gas room by fragment outlet alignment test specimen (2) that will simulate fragment casting device
(26), it seals sealing ring (28) by high-pressure gas room (26), bolt (20) is inserted into loading using the piston rod of cylinder (21)
Groove (22) on platform (29), fixed objective table (29) are put into spherical fragment (30), set in ejection control cabinet (25) high
The pressure in air storage chamber (26) is pressed, pressure limit is 1 to 10MPa；
13, radiant type electric heater unit (5) are removed, are lighted a fire using igniter (21), explosion wave passes through venting of dust explosion
Mouth (27) discharges and is applied to test specimen (2) surface；Meanwhile the valve for unscrewing high pressure gas cylinder (6) pressurizes to high-pressure gas room (19),
When the pressure in high-pressure gas room (19) reaches the pressure set in ejection control cabinet (14), ejection control cabinet (14) controls cylinder
(10) piston rod extracts bolt (9) out, and objective table (17) flies out at a high speed with fragment (18) along guide rod (12), and objective table (17) is hit
It rebounds after hitting baffle (13), fragment (18) continuation flies forward, until hitting test specimen (2)；
14, the venting pressure at high-frequency pressure sensor (13) acquisition venting of dust explosion mouth (27)；Laser displacement sensor (10) is adopted
Collect the deformation change procedure of test specimen (2) central point under venting pressure and the fragment effect of impact under set temperature；High temperature foil electricity
Hinder the strain variation process of test specimen (2) under venting pressure and the fragment effect of impact under foil gauge (12) acquisition set temperature.It adopts
Venting pressure, deformation and the strain of collection are recorded and are saved by cable input data acquisition system (9).High-speed camera instrument
(11) the whole deformation process of test specimen (2) under venting pressure and the fragment effect of impact under set temperature is recorded.
By above-mentioned experimental provision and experimental procedure, fire, explosion coupling are realized to storage tank wall surface destruction
Experimental study.
The utility model is expounded above, but the not conditional meaning of embodiment that the utility model is introduced
Figure, in the range of without departing substantially from the utility model purport, the utility model can be there are many change and modification.
Claims (9)
1. the steel oil storage tank wall surface breaking test platform under a kind of disaster-ridden kind of coupling, which is characterized in that including test specimen, branch
Frame, simulation fragment casting device, gas burst blast wave generating apparatus, radiant type electric heater unit, experiment measurement acquisition system；
The radiant type electric heater unit is suspended on bracket by hook, is located at immediately ahead of test specimen, size is identical as test specimen, spoke
It penetrates formula electric heater unit to connect with temperature controller, temperature controller is connect with the thermocouple at the test specimen back side, for controlling test specimen
Temperature；
The temperature controller can record the temperature data of thermocouple measurement；
The simulation fragment casting device is fixed on adjustable support, by the lifting height for adjusting screw rod on adjustable support
Adjust projectile angle, nut is used to the position of standing screw；
The gas burst blast wave generating apparatus includes fuel gas distributing instrument, to control the mixing of fuel gas and air
Ratio is to control the intensity of explosion wave；
The gas burst blast wave generating apparatus includes venting of dust explosion mouth, and the shock wave that gas burst generates in blasting pot cavity is logical
It crosses venting of dust explosion mouth and acts on storage tank physical model wall surface；
The experiment measurement acquisition system includes data collection system, laser displacement sensor, high-speed camera instrument, high temperature foil electricity
Hinder foil gauge and high-frequency pressure sensor；The laser displacement sensor, high temperature foil resistance foil gauge and pressure sensor are logical
It crosses cable to be connected with data collection system, laser displacement sensor, high temperature foil electricity is recorded and saved by data collection system
Hinder the measuring signal of foil gauge, high-frequency pressure sensor.
2. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It is characterized in that, the laser displacement sensor is located at the test specimen back side, apart from 50-100 centimetres of test specimen, for measuring test specimen central point
The deflection at place.
3. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It is characterized in that, the high-speed camera instrument is located at test specimen side, for recording the deformation process of test specimen in loading procedure.
4. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It being characterized in that, the high temperature foil resistance foil gauge fastens with glue at the test specimen back side, and normal temperature cure at least 24 hours.
5. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It is characterized in that, the high-frequency pressure sensor is mounted on the pressure sensor mounting hole of gas burst blast wave generating apparatus.
6. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It is characterized in that, the laser displacement sensor, high temperature foil resistance foil gauge and pressure sensor are acquired by cable and data
System is connected, and laser displacement sensor, high temperature foil resistance foil gauge, high-frequency pressure are recorded and saved by data collection system
The measuring signal of sensor.
7. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It is characterized in that, simulation fragment casting device includes high pressure gas cylinder, air compressor, cylinder controller, bolt, cylinder, groove, leads
Bar, baffle, ejection control cabinet, high-pressure gas room, pressure sensor, sealing ring, objective table and fragment；On the objective table of the device
Fluted, bolt is inserted into groove, and sealing ring is cooperated to seal high-pressure gas room, and high-pressure gas room is equipped with pressure sensor, presses
Force snesor is connect with ejection control cabinet；High-pressure gas room is connect by pipeline with high pressure gas cylinder, and cylinder and cylinder controller connect
It connects, cylinder controller is connect with air compressor and ejection control cabinet respectively；Bolt is mounted on the piston rod of cylinder.
8. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It is characterized in that, the gas burst blast wave generating apparatus includes air gas cylinder, methane gas cylinder, distributing cabinet, blasting pot, igniting
Device, air inlet, vacuum pump, venting of dust explosion mouth, pressure sensor mounting hole；Blasting pot is controlled to a vacuum pump, have on blasting pot air inlet,
Igniter and venting of dust explosion mouth have pressure sensor mounting hole on venting of dust explosion mouth, and high-frequency pressure sensor is housed, and air inlet and distributing cabinet connect
It connects, distributing cabinet is connect with air gas cylinder and methane gas cylinder respectively.
9. the steel oil storage tank wall surface breaking test platform under disaster-ridden kind of coupling of one kind according to claim 1,
It is characterized in that, the test specimen is sheet metal commonly used by large-scale storage tank, and test specimen is using Q245 steel, the sheet metal of Q345 steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223104.9U CN208420572U (en) | 2018-07-31 | 2018-07-31 | Steel oil storage tank wall surface damage experiment platform under multi-disaster coupling effect |
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| CN201821223104.9U CN208420572U (en) | 2018-07-31 | 2018-07-31 | Steel oil storage tank wall surface damage experiment platform under multi-disaster coupling effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732046A (en) * | 2018-07-31 | 2018-11-02 | 南京工业大学 | Steel oil storage tank wall surface damage experimental platform under multi-disaster coupling effect and experimental method thereof |
| CN110097814A (en) * | 2019-05-07 | 2019-08-06 | 天津医科大学总医院 | Simulation causes the device of Explosion injury of eyes |
-
2018
- 2018-07-31 CN CN201821223104.9U patent/CN208420572U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732046A (en) * | 2018-07-31 | 2018-11-02 | 南京工业大学 | Steel oil storage tank wall surface damage experimental platform under multi-disaster coupling effect and experimental method thereof |
| CN108732046B (en) * | 2018-07-31 | 2023-07-21 | 南京工业大学 | Steel oil storage tank wall surface damage experimental platform under multi-disaster coupling effect and experimental method thereof |
| CN110097814A (en) * | 2019-05-07 | 2019-08-06 | 天津医科大学总医院 | Simulation causes the device of Explosion injury of eyes |
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