CN107725099A - A kind of datonation-inhibition explosion isolation device of active noble gas foam metal - Google Patents
A kind of datonation-inhibition explosion isolation device of active noble gas foam metal Download PDFInfo
- Publication number
- CN107725099A CN107725099A CN201711177614.7A CN201711177614A CN107725099A CN 107725099 A CN107725099 A CN 107725099A CN 201711177614 A CN201711177614 A CN 201711177614A CN 107725099 A CN107725099 A CN 107725099A
- Authority
- CN
- China
- Prior art keywords
- datonation
- inhibition
- plate
- flame proof
- foam metal
- 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.)
- Granted
Links
- 239000006260 foam Substances 0.000 title claims abstract description 40
- 239000002184 metal Substances 0.000 title claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 37
- 238000004880 explosion Methods 0.000 title claims abstract description 30
- 238000002955 isolation Methods 0.000 title claims abstract description 19
- 229910052756 noble gas Inorganic materials 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000003063 flame retardant Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 230000037452 priming Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims 1
- 239000002360 explosive Substances 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 3
- 238000005474 detonation Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 239000003245 coal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Casings For Electric Apparatus (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of datonation-inhibition explosion isolation device of active noble gas porous material, including：Detector, control unit, power supply and datonation-inhibition flame proof unit, square installation pipeline is with round pipe road by being welded and fixed, installation rectangular opening is provided with above square installation pipeline, the rectangular opening of square installation pipeline is provided with datonation-inhibition flame proof unit, detector is mounted in the square installation pipeline of datonation-inhibition flame proof unit both sides, detector is connected by signal wire with control unit, power supply is connected to its power supply with datonation-inhibition flame proof unit and control unit respectively by circuit, and control unit is connected by signal wire with datonation-inhibition flame proof unit.Explosion time energy active probe explosive characteristic, detonation propagation is suppressed using noble gas and the dual measure of foam metal, not only to the effect of putting out of explosive flame Ju You temper, and it can effectively suppress blast pressure, reduce the destruction to related facility, importantly, turnaround of unit cycle length when not exploding, reduces human cost.
Description
Technical field
The present invention relates to a kind of datonation-inhibition explosion isolation device, more particularly to a kind of datonation-inhibition explosion isolation device of active noble gas foam metal.
Background technology
In industrial processes, explosion accident serious threat the life security of worker.With pit mining depth and
The increase of intensity, the threat of gas is also increasing, the significant problem that gas explosion problem turns into safety of coal mines, efficiently produced.
The multiple blast of particularly gas can cause secondary disaster, and cause the accident extension.During coal mine gas drainage, gas is defeated
Send the resistance explosion isolation device of pipeline just to turn into and suppress the important measures that blast is propagated to underground and underground.Good effectiveness of explosion suppression can hinder
Only explosive flame ripple continues to propagate, and mitigates explosion hazard and Secondary cases, to protection coal miner life security, mitigates property damage
Lose, quick emergency management and rescue have great importance.
The resistance explosion isolation device of the explosive gas conveyance conduit such as gas includes two kinds used at present：A kind of is active
Water mists etc. are added into conveyance conduit, reduce oxygen content in pipeline, water spray protection area etc. is formed and prevents blast；It is a kind of
The datonation-inhibition explosion isolation devices such as the passive copper mesh of setting in the duct, spark arrester, when have blast occur when, flame by it is datonation-inhibition every
Due to being cut by porous copper mesh, spark arrester to flame during quick-fried device, reach and put out quick-fried purpose.First method safety
Property it is higher, but need early stage to pipeline internal spraying, the later stage needs to carry out dewatering operation, and program is more complicated.Second method letter
It is single easy, but have inhibition to conveying gas, drag losses is larger in course of conveying, and cost is higher, and sometimes because of flame
The cohesive force feature of ripple, so as to cause effectiveness of explosion suppression bad, and it is unfavorable for possible subsequent explosion defence.
The content of the invention
Instant invention overcomes above-mentioned the deficiencies in the prior art, there is provided a kind of datonation-inhibition flame proof dress of active noble gas foam metal
Put.
Inventive technique scheme：
A kind of datonation-inhibition explosion isolation device of active noble gas foam metal, including：Detector, control unit, power supply, square installation
Pipeline, round pipe road and datonation-inhibition flame proof unit,
Square installation pipeline is embedded with the round pipe road, square installation pipeline is consolidated with round pipe road by flange
It is fixed, installation rectangular opening is provided with above square installation pipeline, the rectangular opening of square installation pipeline is provided with datonation-inhibition flame proof unit,
Detector is mounted in the square installation pipeline of datonation-inhibition flame proof unit both sides, detector passes through signal wire and control unit phase
Even；
The power supply is connected to its power supply with datonation-inhibition flame proof unit and control unit respectively by circuit；
Described control unit is connected by signal wire with datonation-inhibition flame proof unit.
Further, the datonation-inhibition flame proof unit includes：Upper shell, ignition trigger device, priming layer, gas-forming agent
Layer, filter, copper flame proof plate, foam metal plate, lower house, flange, bolt, fire-retardant frangible plastic plate, sealing gasket, it is spacing every
Plate and rubber buffer, the lower house are hollow structure, and lower house upper and lower ends are provided with ring flange, the laxative remedy of lower house
Blue disk is arranged on by bolt on the tube wall of square installation pipeline, and the installation rectangular opening and lower house of square installation pipeline
Cavity position it is corresponding, upper shell bottom is provided with ring flange, and upper shell lower flange passes through spiral shell with lower house upper flange plate
Bolt is connected, and the ignition trigger device is fixed on the inwall of upper shell upper end, and ignition trigger device lower end is arranged with priming layer,
Gas-forming agent layer is provided with upper shell cavity, gas-forming agent layer lower end is provided with filter, and filter lower end is provided with
Copper flame proof plate, copper flame proof plate lower end are provided with foam metal plate, and foam metal plate surrounding is arranged with copper layer, foam metal
Flameproof gap is provided between plate and lower house, foam metal plate lower end is provided with fire-retardant frangible plastic plate, fire-retardant frangible plastic
Plate both ends are fixed on lower house, and rubber buffer, rubber are provided with immediately below the installation rectangular opening of the square installation pipeline
Glue cushion pad both sides are provided with spacing dividing plate.
Further, the detector is pressure sensor.
Further, described control unit is stm32 series monolithics.
Further, fit-up gap is 1-10mm between the foam metal plate and lower house.
Further, it is provided with sealing gasket between the lower flange of the lower house and lower house tube wall.
Further, it is provided with sealing gasket between the upper shell lower flange and lower house upper flange plate.
The present invention has the advantages that for prior art：The described datonation-inhibition explosion isolation device of active noble gas foam metal
After in explosive gas conveyance conduit, air in pipeline flow resistance is small, saves conveying energy.Explosion time can be actively
Explosive characteristic is detected, detonation propagation is suppressed using noble gas and the dual measure of foam metal, work not only is put out to explosive flame Ju You temper
With, and can effectively suppress blast pressure, reduce the destruction to related facility.Importantly, should when not exploding
The turnaround of unit cycle is grown, and reduces human cost.Such as foam metal destroys smaller after exploding, reusable, reduces
Entreprise cost.
Brief description of the drawings
Fig. 1 is scheme of installation of the present invention；
Fig. 2 is present invention work pre-structure schematic diagram；
Fig. 3 is structural representation after present invention work.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail.
A kind of datonation-inhibition explosion isolation device of active noble gas foam metal, including：Detector 6, control unit 8, power supply 9, square
Installation pipeline 15, round pipe road 21 and datonation-inhibition flame proof unit 10,
Square installation pipeline 15 is embedded with the round pipe road 21, square installation pipeline 15 passes through with round pipe road 21
Flange is fixed, and the square top of installation pipeline 15 is provided with installation rectangular opening, and the rectangular opening of square installation pipeline 15 is provided with suppression
Quick-fried flame proof unit 10, detector 6 is mounted in the square installation pipeline 15 of the datonation-inhibition both sides of flame proof unit 10, and detector 6 is logical
Cross signal wire with control unit 8 to be connected, 6 unilateral air line distance of detector is between 20-30m；
The power supply 9 is connected to its power supply with datonation-inhibition flame proof unit 10 and control unit 8 respectively by circuit；
Described control unit 8 is connected by signal wire with datonation-inhibition flame proof unit 10.
Further, the datonation-inhibition flame proof unit 10 includes：Upper shell 18, ignition trigger device 11, priming layer 12, gas
It is generation oxidant layer 14, filter 16, copper flame proof plate 17, foam metal plate 19, lower house 32, flange 13, bolt 14, fire-retardant frangible
Plastic plate 20, sealing gasket 27, spacing dividing plate 22 and rubber buffer 23, the lower house 32 are hollow structure, on lower house 32
Lower both ends are provided with ring flange, and the lower flange of lower house 32 is arranged on the tube wall of square installation pipeline 15 by bolt
On, and the installation rectangular opening of square installation pipeline 15 is corresponding with the cavity position of lower house 32, the bottom of upper shell 18 is set
There is ring flange, the lower flange of upper shell 18 is connected with the upper flange plate of lower house 32 by bolt, and the ignition trigger device 11 is solid
It is scheduled on the upper end inwall of upper shell 18, the lower end of ignition trigger device 11 is arranged with priming layer 12, is set in the cavity of upper shell 18
There is gas-forming agent layer 14, the lower end of gas-forming agent layer 14 is provided with filter 16, and the lower end of filter 16 is provided with copper flame proof
Plate 17, the lower end of copper flame proof plate 17 are provided with foam metal plate 19, and the surrounding of foam metal plate 19 is arranged with copper layer, foam metal
Flameproof gap is provided between plate 19 and lower house 32, the lower end of foam metal plate 19 is provided with fire-retardant frangible plastic plate 20, fire-retardant
The both ends of frangible plastic plate 20 are fixed on lower house 32, are provided with immediately below the installation rectangular opening of the square installation pipeline 15
Rubber buffer 23, the both sides of rubber buffer 23 are provided with spacing dividing plate 22.
The detector 6 is pressure sensor.
Described control unit 8 is stm32 series monolithics.
Fit-up gap is 1-10mm between the foam metal plate 19 and lower house 32.
Sealing gasket is provided between the lower flange and the tube wall of lower house 32 of the lower house 32.
Sealing gasket is provided between the lower flange of upper shell 18 and lower house 32 upper flange plate.
The ignitor of ignition trigger device 11 and explosion-resistant enclosure 13 are an entirety, and resistance to detonation pressure power is 30MPa.Igniting is touched
The ignitor of transmitting apparatus 11 is stretched into priming 12.Gas-forming agent 14 is placed in explosion-resistant enclosure 13.Gas-forming agent layer 14
Bottom is filter 15.Priming 12 is placed on around ignition trigger device 11 first, then filled in explosion-resistant enclosure 13
Gas-forming agent layer 14.Foam metal plate 19, the top of foam metal plate 19 are copper flame proof plate 17.Copper flame proof plate 17 with it is explosion-proof
The fit-up gap of shell 18 is no more than 10mm, or is in close contact with copper flame proof plate, but can be moved under gas shock.Foam
The bottom of metallic plate 19 is provided with fire-retardant frangible plastic plate 20.When gas explosion occurs, explosive flame and shock wave are along round tube
The blast direction of propagation 4 is propagated in road 21, and when prodromal blast wave 2,3 proximity detector 6 of flame front, detector 6 is collected
Information conveyance to control unit 8, control unit 8 produces some strength current trigger ignition trigger device 11, and now igniting is touched
Transmitting apparatus 11 ignites priming 12, and the pilot gas propellant 14 of priming 12 produces a large amount of inert gases 22, and noble gas 22 promotes copper
Matter flame proof plate 17 is moved quickly to duct bottom with foam metal plate 19, and the top edge of foam metal plate 19 exceeds conduit upper side
At least 10cm of edge 23, form explosiveproof isolation band.
Claims (7)
1. a kind of datonation-inhibition explosion isolation device of active noble gas foam metal, including：Detector (6), control unit (8), power supply (9), just
Square mounting tube road (15), round pipe road (21) and datonation-inhibition flame proof unit (10), it is characterised in that
Square installation pipeline (15), square installation pipeline (15) and round pipe road (21) are embedded with the round pipe road (21)
Fixed by flange, installation rectangular opening, the rectangular opening of square installation pipeline (15) are provided with above square installation pipeline (15)
Datonation-inhibition flame proof unit (10) is installed, is mounted on detecting in the square installation pipeline (15) of datonation-inhibition flame proof unit (10) both sides
Device (6), detector (6) are connected by signal wire with control unit (8)；
The power supply (9) is connected to its power supply with datonation-inhibition flame proof unit (10) and control unit (8) respectively by circuit；
Described control unit (8) is connected by signal wire with datonation-inhibition flame proof unit (10).
2. a kind of datonation-inhibition explosion isolation device of active noble gas foam metal according to claim 1, it is characterised in that described datonation-inhibition
Flame proof unit (10) includes：Upper shell (18), ignition trigger device (11), priming layer (12), gas-forming agent layer (14), mistake
It is filter plate (16), copper flame proof plate (17), foam metal plate (19), lower house (32), flange (13), bolt (14), fire-retardant frangible
Plastic plate (20), sealing gasket (27), spacing dividing plate (22) and rubber buffer (23), the lower house (32) are hollow structure,
Lower house (32) upper and lower ends are provided with ring flange, and the lower flange of lower house (32) is arranged on square by bolt and installed
On the tube wall of pipeline (15), and the installation rectangular opening of square installation pipeline (15) is relative with the cavity position of lower house (32)
Should, upper shell (18) bottom is provided with ring flange, and upper shell (18) lower flange passes through bolt with lower house (32) upper flange plate
It is connected, the ignition trigger device (11) is fixed on the inwall of upper shell (18) upper end, and ignition trigger device (11) lower end is arranged
There is priming layer (12), gas-forming agent layer (14) is provided with upper shell (18) cavity, gas-forming agent layer (14) lower end is set
Filter (16) is equipped with, filter (16) lower end is provided with copper flame proof plate (17), and copper flame proof plate (17) lower end is provided with bubble
Foam metallic plate (19), foam metal plate (19) surrounding are arranged with copper layer, set between foam metal plate (19) and lower house (32)
Flameproof gap is equipped with, foam metal plate (19) lower end is provided with fire-retardant frangible plastic plate (20), fire-retardant frangible plastic plate (20) two
End is fixed on lower house (32), and rubber buffer is provided with immediately below the installation rectangular opening of the square installation pipeline (15)
(23), rubber buffer (23) both sides are provided with spacing dividing plate (22).
A kind of 3. datonation-inhibition explosion isolation device of active noble gas foam metal according to claim 1, it is characterised in that the detection
Device (6) is pressure sensor.
A kind of 4. datonation-inhibition explosion isolation device of active noble gas foam metal according to claim 1, it is characterised in that the control
Unit (8) is stm32 series monolithics.
A kind of 5. datonation-inhibition explosion isolation device of active noble gas foam metal according to claim 1, it is characterised in that the foam
Fit-up gap is 1-10mm between metallic plate (19) and lower house (32).
A kind of 6. datonation-inhibition explosion isolation device of active noble gas foam metal according to claim 1, it is characterised in that the lower casing
Sealing gasket is provided between the lower flange and lower house (32) tube wall of body (32).
A kind of 7. datonation-inhibition explosion isolation device of active noble gas foam metal according to claim 1, it is characterised in that the upper casing
Sealing gasket is provided between body (18) lower flange and lower house (32) upper flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177614.7A CN107725099B (en) | 2017-11-23 | 2017-11-23 | Active inert gas foam metal explosion suppression and explosion suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177614.7A CN107725099B (en) | 2017-11-23 | 2017-11-23 | Active inert gas foam metal explosion suppression and explosion suppression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107725099A true CN107725099A (en) | 2018-02-23 |
| CN107725099B CN107725099B (en) | 2023-11-28 |
Family
ID=61218861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711177614.7A Active CN107725099B (en) | 2017-11-23 | 2017-11-23 | Active inert gas foam metal explosion suppression and explosion suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725099B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848439A (en) * | 2019-12-13 | 2020-02-28 | 汇乐因斯福环保安全研究院（苏州）有限公司 | Active bidirectional explosion-proof quick gate valve and quick explosion-proof method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224550A (en) * | 1987-03-11 | 1993-07-06 | Parker Hannifin Corporation | Explosion suppression system |
| RU2070967C1 (en) * | 1993-03-25 | 1996-12-27 | Центральный научно-исследовательский институт химии и механики | Device for suppression of explosion |
| WO2000072922A1 (en) * | 1999-05-28 | 2000-12-07 | Kidde-Graviner Limited | Fire extinguishing and explosion suppression arrangements and methods |
| CN1775597A (en) * | 1996-04-08 | 2006-05-24 | 大赛璐化学工业株式会社 | Method for controlling gas flow from gas generator to gas bag and airbag inflator |
| CN101440712A (en) * | 2008-11-24 | 2009-05-27 | 杜志刚 | Mounting use method of downhole laneway coal dust gas explosion blocking machine |
| CN103790622A (en) * | 2014-01-21 | 2014-05-14 | 中国矿业大学 | Method for active explosion proofing and explosion suppression through high-pressure inert gas |
| CN204041099U (en) * | 2014-06-05 | 2014-12-24 | 陕西久泰矿业设备有限公司 | Pipeline type fine water-spray gas and coal dust destatics inerting explosion suppression device |
| CN104315935A (en) * | 2014-10-11 | 2015-01-28 | 上海应用技术学院 | Automatic explosion suppressing device applicable to dust explosion in pipeline |
| CN204188088U (en) * | 2014-10-11 | 2015-03-04 | 上海应用技术学院 | Dust explosion self-action explosion suppression device in pipeline |
| CN106422120A (en) * | 2016-11-17 | 2017-02-22 | 中国计量大学 | Industrial pipeline combustible gas explosion inhibiting device and triggering method thereof |
| CN106706706A (en) * | 2017-02-14 | 2017-05-24 | 中国矿业大学 | Explosion suppression experimental system and explosion suppression experimental method for gas extraction pipeline coupled by CO2 and vacuum cavity |
| CN207554098U (en) * | 2017-11-23 | 2018-06-29 | 黑龙江科技大学 | A kind of datonation-inhibition explosion isolation device of active noble gas foam metal |
-
2017
- 2017-11-23 CN CN201711177614.7A patent/CN107725099B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224550A (en) * | 1987-03-11 | 1993-07-06 | Parker Hannifin Corporation | Explosion suppression system |
| RU2070967C1 (en) * | 1993-03-25 | 1996-12-27 | Центральный научно-исследовательский институт химии и механики | Device for suppression of explosion |
| CN1775597A (en) * | 1996-04-08 | 2006-05-24 | 大赛璐化学工业株式会社 | Method for controlling gas flow from gas generator to gas bag and airbag inflator |
| WO2000072922A1 (en) * | 1999-05-28 | 2000-12-07 | Kidde-Graviner Limited | Fire extinguishing and explosion suppression arrangements and methods |
| CN101440712A (en) * | 2008-11-24 | 2009-05-27 | 杜志刚 | Mounting use method of downhole laneway coal dust gas explosion blocking machine |
| CN103790622A (en) * | 2014-01-21 | 2014-05-14 | 中国矿业大学 | Method for active explosion proofing and explosion suppression through high-pressure inert gas |
| CN204041099U (en) * | 2014-06-05 | 2014-12-24 | 陕西久泰矿业设备有限公司 | Pipeline type fine water-spray gas and coal dust destatics inerting explosion suppression device |
| CN104315935A (en) * | 2014-10-11 | 2015-01-28 | 上海应用技术学院 | Automatic explosion suppressing device applicable to dust explosion in pipeline |
| CN204188088U (en) * | 2014-10-11 | 2015-03-04 | 上海应用技术学院 | Dust explosion self-action explosion suppression device in pipeline |
| CN106422120A (en) * | 2016-11-17 | 2017-02-22 | 中国计量大学 | Industrial pipeline combustible gas explosion inhibiting device and triggering method thereof |
| CN106706706A (en) * | 2017-02-14 | 2017-05-24 | 中国矿业大学 | Explosion suppression experimental system and explosion suppression experimental method for gas extraction pipeline coupled by CO2 and vacuum cavity |
| CN207554098U (en) * | 2017-11-23 | 2018-06-29 | 黑龙江科技大学 | A kind of datonation-inhibition explosion isolation device of active noble gas foam metal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848439A (en) * | 2019-12-13 | 2020-02-28 | 汇乐因斯福环保安全研究院（苏州）有限公司 | Active bidirectional explosion-proof quick gate valve and quick explosion-proof method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107725099B (en) | 2023-11-28 |
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