CN209342678U - A kind of hot malicious disaster environment experimental system for simulating - Google Patents
A kind of hot malicious disaster environment experimental system for simulating Download PDFInfo
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- CN209342678U CN209342678U CN201821698379.8U CN201821698379U CN209342678U CN 209342678 U CN209342678 U CN 209342678U CN 201821698379 U CN201821698379 U CN 201821698379U CN 209342678 U CN209342678 U CN 209342678U
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Abstract
The utility model belongs to disaster environment simulation system field; more particularly to a kind of hot malicious disaster environment experimental system for simulating; the experimental system for simulating includes blast impulse wave generating device, the high temperature of fire generating device being arranged in the middle part of pipeline and toxic gas/particle environments generating device that pipeline one end is arranged in, and test section of the pipeline at high temperature of fire generating device and toxic gas/particle environments generating device as experimental system for simulating is arranged.The advantages of utility model, is: providing a kind of disaster experimental situation of plyability; the utility model passes through blast impulse wave generating device, high temperature of fire emitter, toxic gas/particle environments generating device on pipeline; to simulate the compound disaster environment of shock wave, noxious material, high temperature; to study injury of human mechanism and individual protection technical need under the hot compound disaster environment of poison; it selects jury rig appropriate to provide guidance for harmful influence practitioner, is finally reached the purpose of protection people's life safety.
Description
Technical field
The utility model relates to disaster environment simulation system field, especially a kind of hot malicious disaster environment simulated experiment system
System.
Background technique
Harmful influence production, storage, transport, in use process, due to Unsafe behavior, object unsafe condition and
The environmental factor that can not resist is easy to happen harmful influence leakage accident.If harmful influence itself has the characteristics that flammable, leakage process
In easily form the compound disaster environment of fire, explosion, noxious material.
Human body burn mortality risk assessment system in a kind of fire hazard environment disclosed in Hefei public safety research institute, Tsinghua University
System and method (application number: CN201610298559.6);No.3 Hospital Attached to No.3 Military Medical Univ., P.L.A. discloses
For the external artificial ear drum test device (application number: CN201120063412.1) under explosion wave environment.The above system
System is with method for studying injury of human mechanism and injury Severity under single disaster environment.
Existing research of the individual protection technology based on single factor test pathogenesis is not able to satisfy under compound disaster environment individual
Protection requirements.
Utility model content
In order to overcome the shortcomings of the prior art described above, for this purpose, the utility model provides a kind of hot malicious disaster environment
Experimental system for simulating.
To achieve the above object, the utility model uses following technical scheme:
A kind of hot malicious disaster environment experimental system for simulating, the explosion wave including pipeline one end is arranged in fill
High temperature of fire generating device and toxic gas/the particle environments generating device set, being arranged in the middle part of pipeline, setting high temperature of fire are sent out
Test section of the pipeline as experimental system for simulating at generating apparatus and toxic gas/particle environments generating device.
Optimization, the tail portion of the pipeline is provided with wave absorber.
Optimization, support construction is provided with below the pipeline, the support construction is arranged on the slide rail, support construction
Lower end is provided with and the matched moving parts of sliding rail.
Optimization, the blast impulse generating device is arranged in the drive section of pipeline, and the setting of drive section rear is driven
Section, drive section are connected with by drive section by pressing from both sides membrane structure, and the blast impulse wave generating device includes being arranged in drive section one
The ignition mechanism at end, the sandwiched film mechanism that the drive section other end is set and the explosion material being filled in drive section, the folder film
Venting of dust explosion film is provided in structural mechanism.
Optimization, the drive section upstream end is sealed by blank flange, and ignition mechanism setting is leaned on driving segment pipe
At nearly blank flange.Optimization, it is described to be provided with horn-like expansion segment between drive section and test section, the drive section,
Identical by the internal diameter of drive section, the close one end by drive section of expansion segment, the expansion segment is far from by the straight of one end of drive section
Diameter is greater than by the diameter of drive section one end.
Optimization, the high temperature of fire generating device and toxic gas/particle environments generating device are oppositely arranged, the examination
It tests in section and is provided with radiant panel mounting flange and poison gas dispatching flange, high temperature of fire generating device is to be fixed on radiant panel Method for Installation
Radiant panel on orchid, toxic gas/particle environments generating device are that poison gas dispenses the external experiment gas supplemental parts of flange.
Optimization, wave absorption section is arranged in the test section rear end, and wave absorber, the wave absorber packet is arranged in wave absorption intersegmental part
Include wave absorption plate, the wave absorption plate perpendicular to the air-flow direction of propagation setting in wave absorption section, be provided with gas supply on the wave absorption plate
Flow across multiple grid holes, the edge side face of the wave absorption plate is fitted in the inner sidewall of wave absorption section.
Optimization, the wave absorber further includes fixed link, and the length direction of fixed link is parallel with the air-flow direction of propagation, institute
Stating wave absorption plate is muti-piece, and muti-piece wave absorption plate is sequentially fixed in fixed link.
Optimization, from the grid bore dia on the wave absorption plate to the wave absorption plate far from test section of close test section in fixed link
It is sequentially reduced.
Utility model has the advantages that
(1) the utility model provides a kind of disaster experimental situation of plyability, and the utility model on pipeline by exploding
Blast wave generating apparatus, high temperature of fire emitter, toxic gas/particle environments generating device, to simulate shock wave, toxic
The hybird environment of substance, high temperature, to study the injury of human mechanism and individual protection technology need under the hot compound disaster environment of poison
It asks, selects jury rig appropriate to provide guidance for harmful influence practitioner, be finally reached the purpose of protection people's life safety.
(2) wave absorber is the air-flow momentum and shock wave energy after decay test, and the structure of experimental system is avoided to be damaged
It is bad.
(3) when shock wave reaches wave absorption section least significant end, if energy still exists, at this point, energy may drive entire system
System moves on the slide rail, to reduce the damage for offseting wave band least significant end.And since venting of dust explosion film is required to after each experiment
Replacement facilitates drive section and is separated by drive section after dismantling folder membrane structure, and when connection also can guarantee point-blank, convenient
Connection.
(4) setting for pressing from both sides venting of dust explosion film in membrane structure is that pipeline, fuel gas are filled in for isolation drive section and downstream
In drive section, system first passes through venting of dust explosion film by the energy storage of shock wave in drive section, when pressure reaches venting of dust explosion in drive section
When film Rupture of Membrane pressure, the rupture of venting of dust explosion film, all energy discharge together, to obtain the impact of enough energy within a short period of time
Wave.
(5) end face of drive section upstream end is sealed by blank flange, and ignition mechanism setting is close on drive section official road
At seal face, detonation direction of wave travel is identical with the air-flow direction of propagation after igniting, to detonation driven before realizing, compared to reversed
Detonation driven mode, forward direction detonation driven can produce bigger superpressure value, involve shock wave coupling other factors in impact and cause injury reality
Have the advantages that superpressure range is wider array of in testing.
(6) after the rupture of venting of dust explosion film, the chemical reaction for generating shock wave may be also not finished, by the material one that explodes in drive section
Side reaction, the shock wave of generation continue to propagate, and the energy of shock wave persistently increases.Drive section and by the diameter of drive section less than examination
The diameter of section is tested, the energy in unit volume is larger, can reduce the time that shock wave reaches setting value in this way.
(7) high temperature of fire generating device and toxic gas/particle environments generating device are set directly at test section, in this way
Temperature and toxic gas/granule density will not change numerical value because of transmission, ensure that the accuracy of data.
(8) play the role of wave absorption by the way that multiple grid holes are arranged on wave absorption plate.
(9) wave absorber is by being arranged multiple wave absorption plates in fixed link, and the grid bore dia on multiple wave absorption plates by
It is decrescence small, carry out the energy of reduction shock wave step by step.
Detailed description of the invention
Fig. 1 is a kind of main view of hot malicious disaster environment experimental system for simulating of the utility model.
Fig. 2 is the structure chart of drive section in a kind of hot malicious disaster environment experimental system for simulating of the utility model.
Fig. 3 is the structure chart of radiant panel in a kind of hot malicious disaster environment experimental system for simulating of the utility model.
Fig. 4 is a kind of cross-sectional view of hot malicious disaster environment experimental system for simulating test section of the utility model.
Fig. 5 is a kind of structure chart of hot malicious disaster environment experimental system for simulating wave absorber of the utility model.
Fig. 6 is a kind of structure chart of hot malicious disaster environment experimental system for simulating wave absorption plate of the utility model.
The meaning of label symbol is as follows in figure:
11- drive section 12- is by drive section 13- expansion segment
14- test section 141- radiant panel mounting flange 142- poison gas dispenses flange 15- wave absorption section
21- ignition mechanism 22- high temperature of fire generating device 221- radiant panel
23- toxic gas/particle environments generating device
241- wave absorption plate 2411- grid hole 2412- fixation hole 242- fixed link
25- presss from both sides membrane structure
3- support construction 4- sliding rail
Specific embodiment
As shown in Figure 1, a kind of hot malicious disaster environment experimental system for simulating, including pipeline, pipeline are successively divided into drive section
11, by drive section 12, horn-like expansion segment 13, test section 14, wave absorption section 15.The internal diameter of the drive section 11, by drive section
12 internal diameter, expansion segment 13 are close to all the same by the internal diameter of one end of drive section 12, and expansion segment 13 is far from by the one of drive section 12
The diameter at end is greater than by the diameter of 12 one end of drive section.Drive section 11 and by drive section 12 by press from both sides membrane structure 25 connect, it is described
Venting of dust explosion film is provided in folder membrane structure 25.Expansion segment 13 and test section 14, test section 14 and wave absorption section 15 pass through flanged joint,
Flange connections are provided with sealing ring, to improve the experimental situation stability of simulated experiment.
Experimental system for simulating further includes the blast impulse wave generating device being arranged in drive section 11, is arranged in test section 14
On high temperature of fire generating device 22 and toxic gas/particle environments generating device 23, the wave absorption that is arranged in inside wave absorption section 15
Device, pipeline lower section are additionally provided with support construction 3, and support construction 3 is arranged on sliding rail 4, and the lower end of support construction 3 is provided with
With the matched moving parts of sliding rail 4.In this embodiment, moving parts is idler wheel.
Blast impulse wave generating device, high temperature of fire generating device 22, toxic gas/particle environments generating device 23 can
It works independently, when three works independently, can realize that explosion wave, high temperature of fire, toxic gas/particle are caused injury environment respectively.
When total both in blast impulse wave generating device, high temperature of fire generating device 22, toxic gas/particle environments generating device 23
When with work, high temperature of fire and the compound environment of causing injury of explosion wave, explosion wave and toxic gas/particle can be realized respectively
It is compound to cause injury environment and high temperature of fire and toxic gas/Particles dispersed is caused injury environment.Below to blast impulse wave generating device,
High temperature of fire generating device 22, toxic gas/particle environments generating device 23, wave absorber are described in detail.
1, blast impulse wave generating device
As depicted in figs. 1 and 2, the blast impulse wave generating device includes the igniting that 11 input end of drive section is arranged in
Mechanism 21, the sandwiched film mechanism 210 that 11 output end of drive section is set and the explosion material being filled in drive section 11.The explosion
Material is combustible gas/air (oxygen) mixed gas of the corresponding equivalent proportion configured according to shock wave size.The drive section
The end face of 11 upstream ends is blind plate sealing flange, and ignition mechanism 21 is arranged on drive section pipeline at upstream face, is realized
Detonation driven mode forward.When the setting of ignition mechanism 21 in drive section 11 close to folder 25 end of membrane structure, realize that reversed detonation is driven
Dynamic, compared to reversed detonation driven mode, forward direction detonation driven mode can produce bigger superpressure value, involve shock wave coupling in impact
Close other factors cause injury experiment in have the advantages that superpressure range is wider array of.
Drive section 11 is long L1, internal diameter D1, the round tube of wall thickness δ 1, in drive section 11 and by the setting of 12 junction of drive section
Venting of dust explosion film is filled with the fuel gas and oxygen (air) of certain equivalent proportion into drive section 11, such as hydrogen/oxygen (air), first
Alkane/oxygen (air), hydrogen/methane/oxygen (air), the detonation wave that mixed gas generates after being ignited break through after venting of dust explosion film
Shock wave is generated in drive section 12, high pressure draught is by the acceleration of expansion segment 13 in the target body in test section 14, structure
Explosion wave is built to cause injury environment.The adjusting of positive pressure of shock wave size can be by changing gaseous mixture in drive section 11 in test section 14
Body primary condition (such as gas component, initial pressure, initial temperature) and change 11 pipeline condition of drive section are (if any accessible
Object, blockage ratio, obstacle spacing, barrier number etc.).
2, high temperature of fire generating device 22 and toxic gas/particle environments generating device 23
As shown in figure 1, figure 3 and figure 4, the high temperature of fire generating device 22 and toxic gas/particle environments generating device 23
It is oppositely arranged, radiant panel mounting flange 141 and poison gas dispatching flange 142 is provided on the test section 14, high temperature of fire occurs
Device 22 is the radiant panel 221 being fixed on radiant panel mounting flange 141, and toxic gas/particle environments generating device 23 is poison
Gas dispenses the external experiment gas supplemental parts of flange 142.The gas that gas supplemental parts fill into is search gas/tracer
Grain arranges that gas/particle concentration sensor monitors search gas/particle dispersal behavior in test section 14, in test section 14
Toxic gas/particle concentration can be realized by way of regulating gas/particle generator flow.Wherein radiant panel mounting flange
After installing radiant panel 221 on 141, the position at radiant panel mounting flange 141 is sealing state, and in this embodiment, system is also
Including high temperature resistant, impact-resistant cable, after the fixed radiant panel 221 of radiant panel mounting flange 141, it need to guarantee that radiant panel 221 is rushing
Hitting under the Overpressure of wave keeps structure and function complete, it is ensured that the airtightness of experimental system for simulating.Temperature at target body
Adjusting can be realized by changing the modes such as 221 heating power of radiant panel.The utility model only protects the hot malicious disaster environment mould
The device or physical platform that the mechanical part of draft experiment system is constituted, without regard to control section therein and software portion
Point.
14 main part of test section is long L2, internal diameter D2, wall thickness δ2Round tube, test section 14 and the fire being arranged thereon are high
Warm generating device 22 and toxic gas/particle environments generating device 23 realize high temperature of fire environment and toxic gas/particle environments
Building, in this embodiment, target body be fixed on radiant panel mounting flange 141 and poison gas dispatching flange 142 between.
3, wave absorber
As shown in Fig. 1, Fig. 5, Fig. 6, the wave absorber includes muti-piece wave absorption plate 241, fixed link 242, the wave absorption plate
241 perpendicular to the air-flow direction of propagation setting in wave absorption section 15, the length direction of fixed link 242 and the air-flow direction of propagation are flat
Row, muti-piece wave absorption plate 241 are sequentially fixed in fixed link 242, the fixation that fixed link 242 passes through 241 center of wave absorption plate and edge
Hole 2412 connects multilayer wave absorption plate 241, limits multiple wave absorption plates 241 and individually generates axial displacement and edge along fixed link 242
The rotation of 241 circumference of wave absorption plate.Be provided on the wave absorption plate 241 gas supply stream across multiple circular grid holes 2411, institute
The edge side face for stating wave absorption plate 241 is fitted in the inner sidewall of wave absorption section 15.Wave absorption plate 241 is 3 pieces in this embodiment.It is fixed
Successively subtract on bar 242 from the grid hole 2411 on the wave absorption plate 241 to the wave absorption plate 241 far from test section 14 of close test section 14
It is small.The advantages of being gradually reduced along the aperture of air-flow direction of propagation grid hole 2411 is: large aperture wave absorption plate 241 passes through area
Greatly, air-flow reflection can be reduced, interference of the reflected gas stream to test section 14 is avoided;The aperture of grid hole 2411, which is gradually reduced, to increase
Air-flow by when damped coefficient, consume flowed energy and momentum, reduce the structural loads of 15 downstream closed end of wave absorption section, keep away
The structure for exempting from experimental system is destroyed.
The system it is preceding break through diaphragm to the detonation wave generated by way of detonation driven after, act in test section 14
Target body, construct explosion disaster environment;The main element of high temperature of fire generating device 22 is the 14 target body of test section that is laid in
The radiant panel 221 of top;Toxic gas/particle environments dispense 142 preformed hole of flange by 14 poison gas of test section and spray into tracer gas
Body/particle is realized;Wave absorber uses wave absorption plate 241 in experimental system for simulating, arranges several layers aperture along the air-flow direction of propagation
The wave absorption plate 241 being gradually reduced, weakens high pressure draught successively, while utmostly avoiding reflected gas stream to the dry of test section 14
It disturbs.
The above is only the preferred embodiments that the utility model is created, and are not intended to limit the utility model creation, all
Made any modifications, equivalent replacements, and improvements etc., should be included in this within the spirit and principle that the utility model is created
Within the protection scope that utility model is created.
Claims (10)
1. a kind of hot malicious disaster environment experimental system for simulating, which is characterized in that including pipeline, pipeline is successively divided into drive section
(11), pass through by drive section (12), horn-like expansion segment (13), test section (14), drive section (11) and by drive section (12)
Membrane structure (25) connection is pressed from both sides, by flanged joint, system further includes being arranged in drive section for expansion segment (13) and test section (14)
(11) blast impulse wave generating device on, the high temperature of fire generating device (22) being arranged on test section (14) and there is poison gas
Body/particle environments generating device (23), the high temperature of fire generating device (22) and toxic gas/particle environments generating device
(23) it is oppositely arranged.
2. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that the pipeline
Tail portion is provided with wave absorption section (15) in the rear end of test section (14), and the wave absorption section (15) is internally provided with wave absorber.
3. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that under the pipeline
Side is provided with support construction (3), and the support construction (3) is arranged on sliding rail (4), and the lower end of support construction (3) is provided with
With sliding rail (4) matched moving parts.
4. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that the explosion punching
Hit wave generating device include the ignition mechanism (21) that drive section one end is set, setting drive section (11) the other end folder film
Structure (25) and the explosion material being filled in drive section (11) are provided with venting of dust explosion film in folder membrane structure (25) mechanism.
5. the hot malicious disaster environment experimental system for simulating of one kind according to claim 4, which is characterized in that the drive section
(11) upstream end is sealed by blank flange, and ignition mechanism (21) setting is on driving segment pipe at blank flange.
6. the hot malicious disaster environment experimental system for simulating of one kind according to claim 4, which is characterized in that the drive section
(11), identical by the internal diameter of drive section (12), the close one end by drive section (12) of expansion segment (13), the expansion segment (13) is remote
It is greater than from by the diameter of one end of drive section (12) by the diameter of drive section (12) one end.
7. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that the test section
(14) radiant panel mounting flange (141) and poison gas dispatching flange (142) are provided on, high temperature of fire generating device (22) is to fix
Radiant panel (221) on radiant panel mounting flange (141), toxic gas/particle environments generating device (23) are poison gas dispatching
The external experiment gas supplemental parts of flange (142).
8. the hot malicious disaster environment experimental system for simulating of one kind according to claim 2, which is characterized in that the wave absorption dress
It sets including wave absorption plate (241), the wave absorption plate (241) is arranged in wave absorption section (15) perpendicular to the air-flow direction of propagation, described to disappear
Be provided on wave plate (241) gas supply stream across multiple grid holes (2411), the edge side face of the wave absorption plate (241) is fitted in
The inner sidewall of wave absorption section (15).
9. the hot malicious disaster environment experimental system for simulating of one kind according to claim 8, which is characterized in that the wave absorption dress
Setting further includes fixed link (242), and the length direction of fixed link (242) is parallel with the air-flow direction of propagation, and the wave absorption plate (241) is
Muti-piece, muti-piece wave absorption plate (241) are sequentially fixed on fixed link (242).
10. the hot malicious disaster environment experimental system for simulating of one kind according to claim 9, which is characterized in that fixed link
(242) from the grid hole on the wave absorption plate (241) to the wave absorption plate (241) far from test section (14) of close test section (14) on
(2411) diameter is sequentially reduced.
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CN201821698379.8U CN209342678U (en) | 2018-10-12 | 2018-10-12 | A kind of hot malicious disaster environment experimental system for simulating |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109342655A (en) * | 2018-10-12 | 2019-02-15 | 清华大学合肥公共安全研究院 | A kind of hot malicious disaster environment experimental system for simulating |
CN110968124A (en) * | 2019-11-20 | 2020-04-07 | 西安近代化学研究所 | Small equivalent explosion temperature loading device |
CN111693247A (en) * | 2020-06-22 | 2020-09-22 | 中国科学院力学研究所 | Bidirectional detonation driving technology for detonation-driven shock tunnel |
-
2018
- 2018-10-12 CN CN201821698379.8U patent/CN209342678U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109342655A (en) * | 2018-10-12 | 2019-02-15 | 清华大学合肥公共安全研究院 | A kind of hot malicious disaster environment experimental system for simulating |
CN110968124A (en) * | 2019-11-20 | 2020-04-07 | 西安近代化学研究所 | Small equivalent explosion temperature loading device |
CN111693247A (en) * | 2020-06-22 | 2020-09-22 | 中国科学院力学研究所 | Bidirectional detonation driving technology for detonation-driven shock tunnel |
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