CN110220663A - The device of end impact wave in a kind of extraction duct explosion test - Google Patents
The device of end impact wave in a kind of extraction duct explosion test Download PDFInfo
- Publication number
- CN110220663A CN110220663A CN201910583179.0A CN201910583179A CN110220663A CN 110220663 A CN110220663 A CN 110220663A CN 201910583179 A CN201910583179 A CN 201910583179A CN 110220663 A CN110220663 A CN 110220663A
- Authority
- CN
- China
- Prior art keywords
- layer
- protective layer
- extraction duct
- explosion test
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 24
- 238000000605 extraction Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 48
- 239000011241 protective layer Substances 0.000 claims abstract description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 9
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 10
- 230000035939 shock Effects 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention discloses a kind of device of end impact wave in extraction duct explosion test; including shell; blind plate; buffer layer; absorbed layer and end protective layer; the buffer layer, absorbed layer and end protective layer are stacked in shell, and the buffer layer and end protective layer are respectively placed in absorbed layer two sides, and the end protective layer is disposed adjacent to blind plate side.The configuration of the present invention is simple is easily installed, and experiment safety and reliability can be improved.
Description
Technical field
The invention belongs to safe and scientific and engineering experiment equipment technical fields, and in particular to a kind of extraction duct explosion test
The device of middle end impact wave.
Background technique
Detonation is referred to as exploding with detonation, and Explosive Energy generates a shock wave, and combustible medium becomes high after shock wave is inswept
Warm high pressure product, up to tens of to hundreds times initial pressure superpressures.
In carrying out pipe explosion experimentation, tests the superpressure in pipe-line system and be up to tens of to hundreds times initial pressures
The superpressure of power.When explosion wave reaches end blind plate, shock wave will generate huge impact to end pipeline and blind plate and make
With again shock wave will affect explosion test flow field in pipe in the back wave that blind plate generates and interfere adopting for explosion test pressure
Collection.Common solution is to be arranged in pressure sensor as much as possible while lengthening experimental channel far from end blind plate
Position.In many cases, experimental channel length limited is in experimental site condition, while longer experimental channel will gather more
Explosion energy increases experiment risk.
Summary of the invention
The purpose of the present invention is to provide a kind of devices of end impact wave in extraction duct explosion test, which can
The shock wave at pipe end during the experiment is absorbed, the reflection for reducing the percussion to end blind plate and generating through blind plate
Wave improves experiment safety and reliability to the perturbation action of experiment.
The technical scheme adopted by the invention is that:
The device of end impact wave in a kind of extraction duct explosion test, it is characterised in that: including shell, blind plate, buffering
Layer, absorbed layer and end protective layer, the shell are an integral molding structure, and open up threaded hole on the shell, the buffer layer,
Absorbed layer and end protective layer are stacked in shell, the internal diameter of the buffer layer, absorbed layer and end protective layer diameter and shell
Match.
Preferably, the buffer layer and end protective layer are respectively placed in absorbed layer two sides, and the end protection, which is placed on, leans on
Nearly blind plate side.
Preferably, the buffer layer and end protective layer material are 40 mesh stainless steel cloths.
Preferably, the buffer layer stainless steel cloth number of plies is 5 layers.
Preferably, the end protective layer stainless steel cloth number of plies is 10 layers.
Preferably, the absorbed layer is foam iron-nickel metal plate, and the foam iron-nickel metal plate bulk density is 0.3g/
cm3Or 0.8g/cm3。
Preferably, the shell and end blind plate are stainless steel.
Compared with prior art, the invention has the following advantages that
For the present invention using stainless steel cloth as buffer layer and end protective layer, stainless steel cloth has toughness, while simultaneous
Has acoustic absorption performance, stainless steel cloth is respectively placed in foam iron-nickel metal plate two sides, and buffer layer can absorb part shock wave and subtracts
Few percussion to foam iron-nickel metal plate, end protective layer, which plays foam iron-nickel metal plate, supports protective effect to absorb simultaneously
The shock wave not being completely absorbed.
The present invention using foam iron-nickel metal plate as absorbed layer, inhale with acoustics by the porous structure of foam iron-nickel metal plate
Performance is received, explosion wave can be effectively absorbed.
The present invention absorbs explosion to the impulse force of pipe end blind plate, improves experiment safety.
Present invention setting absorbs back wave in experimental channel end, reduces interference of the back wave to experiment.
Detailed description of the invention
Fig. 1 is that structure of the device of end impact wave in extraction duct explosion test of the present invention in pipe lengths is shown
It is intended to.
Fig. 2 is Fig. 1 (A-A) cross-sectional view.
Fig. 3 is for buffer layer, absorbed layer and end in the device of end impact wave in extraction duct explosion test of the present invention
Hold the structural schematic diagram of protective layer.
In figure: 1, shell, 2, blind plate, 3, buffer layer, 4, absorbed layer, 5, end protective layer, 601, full thread stud, 602,
Hex nut, 7, threaded hole.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
As shown in Figure 1, Figure 2, Figure 3 shows, end impact involves the device of back wave in a kind of extraction duct explosion test, including
Shell 1, buffer layer 3, absorbed layer 4, end protective layer 5, the shell 1 are integrated chemical conversion type, the buffer layer 3, absorbed layer 4 with
End protective layer 5 is folded to be located in shell 1, and the cavity 1 is connect by threaded hole 7 with blind plate 2.
The working principle of the invention: when carrying out pipe explosion experiment, pass through full thread stud 601 and hex nut 602
Cavity 1 and blind plate 2 are mounted on pipe end, when shock wave reaches pipe end, buffer layer 3 is first passed through and sponges part punching
Hitting wave prevents from destroying absorbed layer 4, and there is the porous structure in absorbed layer 4 good acoustic absorption performance to make shock wave in absorbed layer
Fully absorbed in 4, achieve the purpose that absorb shock wave, at this time end protective layer 5 to absorbed layer 4 have support protective effect and
The shock wave not completely eliminated is further absorbed, to achieve the purpose that improve experiment safety and accuracy.
Claims (7)
1. the device of end impact wave in a kind of extraction duct explosion test, it is characterised in that: including shell (1), blind plate (2),
Buffer layer (3), absorbed layer (4) and end protective layer (5), the shell (1) are an integral molding structure, and open on the shell (1)
If threaded hole (7), the buffer layer (3), absorbed layer (4) and end protective layer (5) are stacked in shell (1), the buffer layer
(3), absorbed layer (4) and end protective layer (5) diameter and the internal diameter of shell (1) match.
2. the device of end impact wave in a kind of extraction duct explosion test according to claim 1, which is characterized in that institute
It states buffer layer (3) and end protective layer (5) is respectively placed in absorbed layer (4) two sides, the end protective layer (5) is disposed adjacent to blind plate
(2) side.
3. the device of end impact wave in a kind of extraction duct explosion test according to claim 1, which is characterized in that institute
Stating buffer layer (3) and end protective layer (5) material is 40 mesh stainless steel cloths.
4. the device of end impact wave in a kind of extraction duct explosion test according to claim 1, which is characterized in that institute
Stating buffer layer (3) the stainless steel cloth number of plies is 5 layers.
5. the device of end impact wave in a kind of extraction duct explosion test according to claim 1, which is characterized in that institute
Stating end protective layer (5) the stainless steel cloth number of plies is 10 layers.
6. the device of end impact wave in a kind of extraction duct explosion test according to claim 1, which is characterized in that institute
Stating absorbed layer (4) is foam iron-nickel metal plate, and the foam iron-nickel metal plate bulk density is 0.3g/cm3Or 0.8g/cm3。
7. the device of end impact wave in a kind of extraction duct explosion test according to claim 1, which is characterized in that institute
Stating shell (1) and blind plate (2) is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583179.0A CN110220663A (en) | 2019-07-01 | 2019-07-01 | The device of end impact wave in a kind of extraction duct explosion test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583179.0A CN110220663A (en) | 2019-07-01 | 2019-07-01 | The device of end impact wave in a kind of extraction duct explosion test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110220663A true CN110220663A (en) | 2019-09-10 |
Family
ID=67815592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910583179.0A Pending CN110220663A (en) | 2019-07-01 | 2019-07-01 | The device of end impact wave in a kind of extraction duct explosion test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110220663A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202275043U (en) * | 2011-10-20 | 2012-06-13 | 上海应用技术学院 | Multifunctional test device for explosion and suppressing explosion |
| CN206539891U (en) * | 2017-02-28 | 2017-10-03 | 西北工业大学 | A kind of lightweight flat steel ribbon wound metallic multilayer ripple sandwich anti-explosion container |
| KR101912541B1 (en) * | 2017-10-17 | 2018-10-26 | 한국생산기술연구원 | Apparatus for explosive atmosphere test |
| CN108915756A (en) * | 2018-07-12 | 2018-11-30 | 河南理工大学 | A kind of coal mine roadway three-phase collaboration inhibits the method and device of gas explosion |
| CN109596666A (en) * | 2018-12-29 | 2019-04-09 | 北京理工大学 | It is a kind of for simulating the explosion experimental facility of underwater free field environment |
| CN208872190U (en) * | 2018-08-16 | 2019-05-17 | 中建八局轨道交通建设有限公司 | A kind of Tunnel Blasting shock wave buffer unit |
| CN210741798U (en) * | 2019-07-01 | 2020-06-12 | 西南石油大学 | Device for absorbing tail end shock wave in pipeline explosion experiment |
| CN210947962U (en) * | 2019-10-23 | 2020-07-07 | 攀枝花学院 | Explosion tower for test |
-
2019
- 2019-07-01 CN CN201910583179.0A patent/CN110220663A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202275043U (en) * | 2011-10-20 | 2012-06-13 | 上海应用技术学院 | Multifunctional test device for explosion and suppressing explosion |
| CN206539891U (en) * | 2017-02-28 | 2017-10-03 | 西北工业大学 | A kind of lightweight flat steel ribbon wound metallic multilayer ripple sandwich anti-explosion container |
| KR101912541B1 (en) * | 2017-10-17 | 2018-10-26 | 한국생산기술연구원 | Apparatus for explosive atmosphere test |
| CN108915756A (en) * | 2018-07-12 | 2018-11-30 | 河南理工大学 | A kind of coal mine roadway three-phase collaboration inhibits the method and device of gas explosion |
| CN208872190U (en) * | 2018-08-16 | 2019-05-17 | 中建八局轨道交通建设有限公司 | A kind of Tunnel Blasting shock wave buffer unit |
| CN109596666A (en) * | 2018-12-29 | 2019-04-09 | 北京理工大学 | It is a kind of for simulating the explosion experimental facility of underwater free field environment |
| CN210741798U (en) * | 2019-07-01 | 2020-06-12 | 西南石油大学 | Device for absorbing tail end shock wave in pipeline explosion experiment |
| CN210947962U (en) * | 2019-10-23 | 2020-07-07 | 攀枝花学院 | Explosion tower for test |
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