CN106761887B - A kind of coal mine gob extinguishing device - Google Patents
A kind of coal mine gob extinguishing device Download PDFInfo
- Publication number
- CN106761887B CN106761887B CN201611015903.2A CN201611015903A CN106761887B CN 106761887 B CN106761887 B CN 106761887B CN 201611015903 A CN201611015903 A CN 201611015903A CN 106761887 B CN106761887 B CN 106761887B
- Authority
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- China
- Prior art keywords
- atomization
- slurries
- oscillation
- sections
- promotion
- 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.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000000889 atomisation Methods 0.000 claims abstract description 60
- 230000010355 oscillation Effects 0.000 claims abstract description 52
- 239000002002 slurry Substances 0.000 claims abstract description 50
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 239000002775 capsule Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000007717 exclusion Effects 0.000 abstract description 3
- 238000002663 nebulization Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000005065 mining Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 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
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)
- Nozzles (AREA)
Abstract
The invention discloses a kind of coal mine gob extinguishing devices,Pressure control assembly is connect with slurries mixing component,Slurries mixing component connects fire extinguishing ejection assemblies using ratio electric hybrid module with nitrogen supply (NS) component,Connector one end and ratio electric hybrid module connect,The connector other end is connect with oscillation section,It vibrates section connection and pushes pressurized segment,Pressurized segment is pushed to connect with sections of atomization,Oscillation section carries out higher-order of oscillation pressurization to the slurries for being mixed with nitrogen,Structure of the invention is reasonable,By the way that slurries are carried out piecewise pressurizing atomizing,Improve extinguishing effect,Assist nitrogen isolation,Nitrogen can not only dispel the slurries of atomization,Guarantee that slurries with fire come into full contact with,Realize comprehensive fire extinguishing,It can be by fire behavior and air exclusion,The present invention vibrates capsule plug and uses sonic oscillation,While may make slurries to homogenize,Partly atomized is realized under high pressure,It is further atomized in the case where the high speed for pushing blade pushes,It is atomized and prepares comprehensively for sections of atomization,Improve nebulization efficiency,Guarantee extinguishing effect.
Description
Technical field
The present invention relates to a kind of coal mine gob extinguishing devices, belong to coal mining fire-fighting technique field.
Background technique
For coal mining, mine fire has very big menace, and mine fire typically occurs in underground coal mine
The places such as tunnel, working face, chamber, goaf, serious threat downhole safety often incur casualties, equipment loss, mine
Well stops production, the destruction Of resources, or even causes gas, coal dust or dust of sulfide ore explosion.Wherein, the fire in goaf is the most serious,
Menace is also maximum.
Currently, for the fire protection in goaf, it is general using water filling, grouting, sprinkling fire retardant, injection inert gas into
Row fire extinguishing also starts various foam perfusion preventing and extinguishing fire technologies occur recently, when can not directly put out a fire, can use isolation fire fighting method,
Fire dam tight closure flame range is built into, return air two sides solution space in fire source, fire source anoxic can be made to extinguish.Common closing material
Material has mud, wood, brick, stone etc..It is formed with liquid macroimolecule material foam-in-site, or is built temporarily with plastics, rubber pneumatic bag inflation
Fire dam can reduce labor intensity, shortens and builds the time, and for there is the flame range of Gas, to consider in closed process
The middle danger that gas explosion occurs usually should first use sand, earth bag to build flame proof wall, establish fire dam under its shielding.In flame range
After closing, leaked out when making that oxygen concentration maintains 3-5% or more in flame range on a small quantity, fire source may glow for a long time and not put out.Therefore, in order to
Accelerate fire extinguishing, prevent from leaking out, joint fire fighting method can be used, to closed flame range perfusion yellow mud it is most effective, can also be perfused N2 or
CO2。
Above method is typically all to use conventional methods to put out a fire, and extinguishing effect is bad, some even need to tie up
Fire extinguishing procedure for a long time is held, badly damaged underground equipment threatens personnel safety.Therefore, it is necessary to design a kind of preferably special use
Extinguishing device in goaf guarantees that the safety and stability of coal mining carries out to guarantee the safety of coal mining.
Summary of the invention
Present invention problem in view of the prior art, provides a kind of coal mine gob extinguishing device, it is therefore an objective to improve coal mine and open
The safety adopted is realized to the high-effect fire-extinguishing in goaf, intends to solve problem of the existing technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of coal mine gob extinguishing device comprising pressure
Power control assembly, slurries mixing component, ratio electric hybrid module, nitrogen supply (NS) component and fire extinguishing ejection assemblies, which is characterized in that institute
The pressure control assembly stated is connect with the slurries mixing component, the slurries mixing component and the nitrogen supply (NS) group
Using connecting after the ratio electric hybrid module connection with the fire extinguishing ejection assemblies, the fire extinguishing ejection assemblies include part
Including at least connector, oscillation section, push pressurized segment and sections of atomization, wherein one end of the connector and the ratio
Electric hybrid module connection, the other end of the connector are connect with the oscillation section, and the oscillation section connection is described to be pushed away
Dynamic pressurized segment, the promotion pressurized segment are connect with the sections of atomization, and the oscillation section carries out the slurries for being mixed with nitrogen
Higher-order of oscillation pressurization, the promotion pressurized segment provide thrust to the slurries after oscillation, so that the flow direction atomization of slurries high-voltage high-speed
Section, the atomization carry out atomization ejection to by slurries.
Further, preferably, the slurries mixing component includes shell, separation net, main stirring blade, secondary stirring blade
With stirring motor seat, wherein the shell of the slurries mixing component is arranged on the stirring motor seat, the shell
It is inside provided with main stirring blade, the surrounding of the main stirring blade is provided with multiple secondary stirring blades, the main paddle
The height of piece is greater than the height of the secondary stirring blade, is provided with separation net above the main stirring blade, described
It is provided with cover board above shell, slurry feed pipe, and the top setting of the shell are provided with and communicated on the cover board
There is the air inlet being connected to the pressure control assembly, the connector and oscillation section of the fire extinguishing ejection assemblies use screw thread
It connects, is provided with ultrasonator in the oscillation section, oscillation capsule plug is connected on the ultrasonator, and super
Sonic oscillator is vibrated along the radial direction of oscillation section, and the oscillation capsule plug is conical structure, and vibrates the big end court of capsule plug
It is arranged to the sections of atomization, the both ends of the promotion pressurized segment have been arranged radially promotion shaft, the promotion shaft
It is driven by direct driving motor, the direct driving motor is arranged on the inner wall of the promotion pressurized segment, and direct driving motor includes solid
The straight drive stator pushed on pressurized segment inner wall is set calmly, is fixedly installed in the promotion shaft and directly turns son, it is described
It directly turns son and straight drive stator constitutes direct driving motor and directly drives the promotion shaft rotation, be arranged in the promotion shaft
There are multiple promotion blades, the promotion blade rotates so that slurries are accelerated towards the sections of atomization flowing, the atomization
Connection pushes the side of pressurized segment to be provided with taper main channel in section, and it is tiltedly logical that the outer end of the sections of atomization is provided with multiple atomizations
Road and multiple atomization straight channels, and the atomization access ramp and atomization straight channel is connected to the taper main channel.
Further, preferably, the end of the sections of atomization is also integrally disposed nitrogen spray nozzle, the nitrogen sprays
Mouth is connected to the channel of nitrogen in sections of atomization.
Further, preferably, being provided with deflector between oscillation capsule plug and the connector.
Further, preferably, the pressure control device is inert gas pressure pump.
Further, preferably, nitrogen supply (NS) component is nitrogen gas tank.
Further, preferably, the oscillation section and push between pressurized segment, the promotions pressurized segment with it is described
Threaded connection setting is all made of between sections of atomization.
Further, preferably, the oscillation capsule plug is made of high elastic rubber material.
Compared with prior art, the beneficial effects of the invention are as follows：
Of the invention is structurally reasonable, by the way that slurries are carried out piecewise pressurizing atomizing, improves extinguishing effect, meanwhile, assist nitrogen
Air bound from, nitrogen can not only dispel the slurries of atomization, guarantee slurries with fire come into full contact with, realize comprehensive fire extinguishing,
Fire behavior and air exclusion can also be improved extinguishing effect, oscillation capsule plug of the invention uses sonic oscillation, can make slurries
While homogenization, partly atomized is realized under high pressure, and be further atomized in the case where the high speed for pushing blade pushes, be sections of atomization
Atomization is prepared comprehensively, is improved nebulization efficiency, be ensure that extinguishing effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of coal mine gob extinguishing device of the invention；
Wherein, 1, pressure control device, 2, cover board, 3, separation net, 4, slurries mixing component, 5, main stirring blade, 6, pair
Stirring blade, 7, stirring motor seat, 8, ratio electric hybrid module, 9, nitrogen gas tank, 10, connector, 11, oscillation section, 12, promotion pressurization
Section, 13, sections of atomization, 14, deflector, 15, ultrasonator, 16, oscillation capsule plug, 17, promotion shaft, 18, direct driving motor, 19,
Push blade, 20, channel of nitrogen, 21, atomization access ramp, 22, atomization straight channel, 23, taper main channel, 24, slurry feed pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of coal mine gob extinguishing device comprising pressure control
Component 1, slurries mixing component 4, ratio electric hybrid module 8, nitrogen supply (NS) component and fire extinguishing ejection assemblies processed, which is characterized in that institute
The pressure control assembly 1 stated is connect with the slurries mixing component 4, and the slurries mixing component 4 and the nitrogen supply
It is connect after answering component to connect using the ratio electric hybrid module 8 with the fire extinguishing ejection assemblies, the fire extinguishing injection group
Part includes including at least connector 10, oscillation section 11, pushes pressurized segment 12 and sections of atomization 13, wherein the connector 10
One end and the ratio electric hybrid module 8 connect, and the other end of the connector 10 is connect with the oscillation section 11, described
Oscillation section 11 connect the promotion pressurized segment 12, the promotion pressurized segment 12 is connect with the sections of atomization 13, described
11 pairs of the oscillation section slurries for being mixed with nitrogen carry out higher-order of oscillation pressurization, the promotions pressurized segment is to the slurries offer after oscillation
Thrust, so that slurries high-voltage high-speed flows to sections of atomization, the atomization carries out atomization ejection to by slurries.
In the present embodiment, the slurries mixing component includes shell, separation net 3, main stirring blade 5, secondary stirring blade 6
With stirring motor seat 7, wherein the shell of the slurries mixing component is arranged on the stirring motor seat 7, the shell
It is provided with main stirring blade 5 in vivo, the surrounding of the main stirring blade 5 is provided with multiple secondary stirring blades 6, and the master stirs
The height for mixing blade 5 is greater than the height of the secondary stirring blade 6, and the top of the main stirring blade 5 is provided with separation net
3, cover board 2 is provided with above the shell, and slurry feed pipe 24, and the shell are provided with and communicated on the cover board 2
The air inlet being connected to the pressure control assembly 1, the connector 10 of the fire extinguishing ejection assemblies are provided with above body
With oscillation section 11 using being threadedly coupled, ultrasonator 15, the ultrasonator 15 are provided in the oscillation section 11
On be connected with oscillation capsule plug 16, and ultrasonator 15 along oscillation section radial direction vibrate, the oscillation capsule plug
16 be conical structure, and the big end for vibrating capsule plug 16 is arranged towards the sections of atomization, the both ends of the promotion pressurized segment 12
It has been arranged radially and has pushed shaft 17, the promotion shaft 17 is driven by direct driving motor 18, and the direct driving motor 18 is arranged
On the inner wall of the promotion pressurized segment, and direct driving motor includes being fixed to push the straight drive on pressurized segment inner wall fixed
Son is fixedly installed in the promotion shaft and directly turns son, described directly to turn son and straight to drive stator composition direct driving motor straight
The driving promotion shaft rotation is connect, is provided with multiple promotion blades 19, the promotion blade in the promotion shaft
19 rotate so that slurries are accelerated towards the sections of atomization flowing, and connection pushes the side setting of pressurized segment in the sections of atomization
There is taper main channel, the outer end of the sections of atomization 13 is provided with multiple atomization access ramps 21 and multiple atomization straight channels 22, and
The atomization access ramp 21 and atomization straight channel 22 is connected to the taper main channel 23.
Wherein, the end of the sections of atomization 13 is also integrally disposed nitrogen spray nozzle, the nitrogen spray nozzle and atomization
Channel of nitrogen 20 in section is connected to.Deflector 14 is provided between oscillation capsule plug and the connector.The pressure
Control device is inert gas pressure pump.Nitrogen supply (NS) component is nitrogen gas tank.It the oscillation section and pushes between pressurized segment, institute
It is all made of between the promotion pressurized segment stated and the sections of atomization and is threadedly coupled setting.The oscillation capsule plug uses high resiliency rubber
Glue material is made.
Of the invention is structurally reasonable, by the way that slurries are carried out piecewise pressurizing atomizing, improves extinguishing effect, meanwhile, assist nitrogen
Air bound from, nitrogen can not only dispel the slurries of atomization, guarantee slurries with fire come into full contact with, realize comprehensive fire extinguishing,
Fire behavior and air exclusion can also be improved extinguishing effect, oscillation capsule plug of the invention uses sonic oscillation, can make slurries
While homogenization, partly atomized is realized under high pressure, and be further atomized in the case where the high speed for pushing blade pushes, be sections of atomization
Atomization is prepared comprehensively, is improved nebulization efficiency, be ensure that extinguishing effect.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of coal mine gob extinguishing device comprising pressure control assembly, slurries mixing component, ratio electric hybrid module, nitrogen
Gas provisioning component and fire extinguishing ejection assemblies, which is characterized in that the pressure control assembly and the slurries mixing component connect
Connect, the slurries mixing component and the nitrogen supply (NS) component using after the ratio electric hybrid module connection with it is described
Ejection assemblies of putting out a fire connect, and the fire extinguishing ejection assemblies include connector, oscillation section, push pressurized segment and sections of atomization, wherein
One end of the connector and the ratio electric hybrid module connect, the other end of the connector and the oscillation section
Connection, the oscillation section connection promotion pressurized segment, the promotion pressurized segment is connect with the sections of atomization, described
Oscillation section to be mixed with nitrogen slurries carry out higher-order of oscillation pressurization, the promotions pressurized segment to after oscillation slurries provide push away
Power, so that slurries high-voltage high-speed flows to sections of atomization, slurries are carried out atomization ejection by the sections of atomization；
The slurries mixing component includes shell, separation net, main stirring blade, secondary stirring blade and stirring motor seat, wherein institute
The shell for the slurries mixing component stated is arranged on the stirring motor seat, and main stirring blade is provided in the shell,
The surrounding of the main stirring blade is provided with multiple secondary stirring blades, and the height of the main stirring blade is greater than the pair
The height of stirring blade is provided with separation net above the main stirring blade, is provided with cover board above the shell,
It is provided with and communicated with slurry feed pipe on the cover board, and is provided with above the shell and the pressure control assembly
The air inlet of connection, the connector of the fire extinguishing ejection assemblies, using being threadedly coupled, are set with oscillation section in the oscillation section
It is equipped with ultrasonator, oscillation capsule plug is connected on the ultrasonator, and ultrasonator is along oscillation section
Radial direction oscillation, the oscillation capsule plug are conical structure, and the big end for vibrating capsule plug is arranged towards the sections of atomization, institute
The both ends for the promotion pressurized segment stated have been arranged radially promotion shaft, and the promotion shaft is driven by direct driving motor, described
Direct driving motor is arranged on the inner wall of the promotion pressurized segment, and direct driving motor includes being fixed to push pressurized segment inner wall
On straight drive stator, be fixedly installed in the promotion shaft and directly turn son, the son that directly turns is constituted with the straight stator that drives
Direct driving motor directly drives the promotion shaft rotation, is provided with multiple promotion blades in the promotion shaft, described
Blade is pushed to rotate so that slurries are accelerated towards the sections of atomization flowing, connection pushes the one of pressurized segment in the sections of atomization
Side is provided with taper main channel, and the outer end of the sections of atomization is provided with multiple atomization access ramps and multiple atomization straight channels, and
The atomization access ramp and atomization straight channel is connected to the taper main channel.
2. a kind of coal mine gob extinguishing device according to claim 1, it is characterised in that：The end of the sections of atomization is also
Integrally disposed to have nitrogen spray nozzle, the nitrogen spray nozzle is connected to the channel of nitrogen in sections of atomization.
3. a kind of coal mine gob extinguishing device according to claim 2, it is characterised in that：The oscillation capsule plug with it is described
Connector between be provided with deflector.
4. a kind of coal mine gob extinguishing device according to claim 1 to 3, it is characterised in that：The pressure
Force control device is inert gas pressure pump.
5. a kind of coal mine gob extinguishing device according to claim 1 to 3, it is characterised in that：Nitrogen supply (NS)
Component is nitrogen gas tank.
6. a kind of coal mine gob extinguishing device according to claim 1 to 3, it is characterised in that：The vibration
It swings section and pushes between pressurized segment, be all made of between the promotion pressurized segment and the sections of atomization and be threadedly coupled setting.
7. a kind of coal mine gob extinguishing device according to claim 1, it is characterised in that：The oscillation capsule plug uses
High elastic rubber material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015903.2A CN106761887B (en) | 2016-11-18 | 2016-11-18 | A kind of coal mine gob extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015903.2A CN106761887B (en) | 2016-11-18 | 2016-11-18 | A kind of coal mine gob extinguishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761887A CN106761887A (en) | 2017-05-31 |
| CN106761887B true CN106761887B (en) | 2018-11-16 |
Family
ID=58969413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611015903.2A Expired - Fee Related CN106761887B (en) | 2016-11-18 | 2016-11-18 | A kind of coal mine gob extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761887B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268057B (en) * | 2018-11-28 | 2020-01-10 | 华北科技学院 | Full-automatic control coal mine working face fire extinguishing explosion-proof device |
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|---|---|---|---|---|
| CN101915113A (en) * | 2010-07-30 | 2010-12-15 | 中国矿业大学 | Mine nitrogen water mist generating device |
| CN103362534A (en) * | 2013-07-10 | 2013-10-23 | 中国矿业大学 | Nitrogen inhibition water mist preparation system for preventing and treating mine fire and fire prevention and extinguishing method thereof |
| CN103541757A (en) * | 2013-10-18 | 2014-01-29 | 中国矿业大学 | Mining foam generator for preventing and extinguishing fire |
| CN103195462B (en) * | 2013-04-16 | 2014-11-19 | 中国矿业大学 | Liquid addition and atomization device for mine nitrogen-filling process |
| CN104524724A (en) * | 2014-12-25 | 2015-04-22 | 李春龙 | Ultrasonic device with enhanced atomizing, spraying, fire-extinguishing and smoke-reducing functions on basis of electric-high-frequency vibration conversion |
| CN105715292A (en) * | 2016-01-27 | 2016-06-29 | 中国矿业大学 | Multi-stage atomization type two-phase flow water mist generation device for controlling coal field fire |
| CN105971658A (en) * | 2016-05-06 | 2016-09-28 | 太原理工大学 | Bubble atomizing goaf gas-liquid two-phase flow fire prevention and extinguishing system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003024618A1 (en) * | 2001-09-19 | 2003-03-27 | Adiga Kayyani C | Fire suppression using water mist with ultrafine size droplets |
-
2016
- 2016-11-18 CN CN201611015903.2A patent/CN106761887B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915113A (en) * | 2010-07-30 | 2010-12-15 | 中国矿业大学 | Mine nitrogen water mist generating device |
| CN103195462B (en) * | 2013-04-16 | 2014-11-19 | 中国矿业大学 | Liquid addition and atomization device for mine nitrogen-filling process |
| CN103362534A (en) * | 2013-07-10 | 2013-10-23 | 中国矿业大学 | Nitrogen inhibition water mist preparation system for preventing and treating mine fire and fire prevention and extinguishing method thereof |
| CN103541757A (en) * | 2013-10-18 | 2014-01-29 | 中国矿业大学 | Mining foam generator for preventing and extinguishing fire |
| CN104524724A (en) * | 2014-12-25 | 2015-04-22 | 李春龙 | Ultrasonic device with enhanced atomizing, spraying, fire-extinguishing and smoke-reducing functions on basis of electric-high-frequency vibration conversion |
| CN105715292A (en) * | 2016-01-27 | 2016-06-29 | 中国矿业大学 | Multi-stage atomization type two-phase flow water mist generation device for controlling coal field fire |
| CN105971658A (en) * | 2016-05-06 | 2016-09-28 | 太原理工大学 | Bubble atomizing goaf gas-liquid two-phase flow fire prevention and extinguishing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761887A (en) | 2017-05-31 |
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