CN104806282B - Multi-layer gas explosion protection system and method for coal mine tunnel - Google Patents
Multi-layer gas explosion protection system and method for coal mine tunnel Download PDFInfo
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- CN104806282B CN104806282B CN201510175092.1A CN201510175092A CN104806282B CN 104806282 B CN104806282 B CN 104806282B CN 201510175092 A CN201510175092 A CN 201510175092A CN 104806282 B CN104806282 B CN 104806282B
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- 238000004880 explosion Methods 0.000 title claims abstract description 74
- 239000003245 coal Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims description 62
- 239000000428 dust Substances 0.000 claims description 29
- 238000005474 detonation Methods 0.000 claims description 16
- 230000001629 suppression Effects 0.000 claims description 16
- 239000003595 mist Substances 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 10
- 230000000644 propagated effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000007726 management method Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000001931 thermography Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 4
- 238000003745 diagnosis Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 235000003642 hunger Nutrition 0.000 claims description 3
- 230000037351 starvation Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 7
- 230000002401 inhibitory effect Effects 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 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
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000004722 stifle Anatomy 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a multi-layer gas explosion protection system and method for a coal mine tunnel. The system comprises an active early warning protecting layer, an automatic explosion inhibiting protecting layer, an automatic explosion isolating protecting layer and an intelligent management system; the active early warning protecting layer, the automatic explosion inhibiting protecting layer and the automatic explosion isolating protecting layer are respectively connected with the intelligent management system. With the adoption of the system and method, explosion can be avoided at the beginning by early warning and removing the explosion factors in the coal mine tunnel at the beginning; the active detecting can be carried out at the middle period of explosion and explosion inhibiting substances can be sprayed to control the explosion at the small energy stage of the explosion; an explosion isolating water barrier is started at the later period of explosion, and an explosion isolating door is closed, so as to completely cut of the explosion.
Description
Technical field
The present invention relates to the datonation-inhibition field of coal mine down-hole tunnel gas explosion, and in particular to coal mine roadway gas explosion multilayer is prevented
Protecting system and method.
Background technology
Coal is the pillar industry of China's energy, and for national whole energy strategy important guarantee is provided." 12 " with
Come, coal and coal seam exploitation are the emphasis for carrying out energy construction, have very important ground in national economy and social development
Position.China is the country of coal mine gas " protrusion " accident most serious in the world, and more than 10,000 prominent accident is had occurred and that so far.With
The continuous enhancing of mining rate, China's coal-mine mining depth will increase every year on average 10 to 20 meters, and highly gassy mine will be more next
It is more.At present, most domestic coal mining enterprise in coal mine gas safety more adopts passive type explosion suppression system and active explosion suppression
Device：Passive type explosion suppression system such as explosion-proof rock dust barrier, explosion-proof water barrier etc., i.e., the measure of putting out a fire to save life and property just taken after blast occurs, it
There is the deficiencies such as starting time is long, efficiency is uncertain；Active gas explosion suppression device is to the initial stage of exploding by detector
Situation carries out active probe, and when explosion time is detected, explosion suppression device sprays datonation-inhibition material, absorbs blast in the starting stage of blast
The energy of generation prevents the expansion of blast and cuts off the continuation propagation of blast.Although passive type explosion suppression system or active explosion suppression are filled
Putting can play certain datonation-inhibition effect in coal mine roadway explosion suppression, but passive type explosion suppression system or active explosion suppression device
All only just generation actions after blast occurs, can not shift to an earlier date according to detonation factors prediction blast it may happen that, it is and then broken
Bad detonation factors prevent blast from occurring, and these systems only have one layer of protection, it is impossible to meet coal mine roadway rugged environment.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided the coal mine roadway watt of the generation of preventing and treating coal mine roadway gas explosion
This blast multilayer proofing system and method.
Early stage of the present invention, the detecting early-warning of detonation factors and destruction detonation factors part；Mid-term, blast forms the initial stage actively
The datonation-inhibition material of detection injection suppresses detonation propagation and development；Later stage, reduce blast loss formed water curtain barrier close flame proof door from
And thoroughly cut off the propagation of blast.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions：
A kind of coal mine roadway gas explosion multilayer proofing system, it includes：
Active forewarning overcoat, for detecting mine lane gas from explosion factor parameter, when the detonation factors parameter
When reaching the early warning upper limit, starting device reduces mine lane gas from explosion factor；
Automatically datonation-inhibition overcoat, for detecting to the blast initial stage, when explosion time is detected, prevents the expansion of blast simultaneously
The continuation of cut-out blast is propagated；
Automatic flame proof overcoat, for being linked with the datonation-inhibition overcoat automatically, when the datonation-inhibition overcoat automatically
Explosion time is detected, flame proof system shutdown detonation propagation is started according to setting time；
Intelligent management system, the active forewarning overcoat, automatically datonation-inhibition overcoat, automatic flame proof overcoat respectively with institute
Intelligent management system connection is stated, for carrying out to the active forewarning overcoat, automatic datonation-inhibition overcoat, automatic flame proof overcoat
Real-time monitoring positioning, data storage and fault diagnosis.
Further technical scheme is that active forewarning overcoat includes：Gas density Monitor And Control Subsystem, for goaf,
Upper even angle, face gas concentration monitor；
Infrared thermal imaging Monitor And Control Subsystem, for equipment spark, corona and belt fever monitoring；
Fiber optic temperature Monitor And Control Subsystem, for tunnel rib, the temperature monitoring in goaf；
Goaf index gas wireless monitor subsystem, for index gas concentration monitor；The index gas include sulphur
Change hydrogen, carbon monoxide；
Also include nitrogen/carbon-dioxide fire engine subsystem and the datonation-inhibition subsystem of fine water mist dust removal.
Further technical scheme is that automatic datonation-inhibition overcoat includes the datonation-inhibition subsystem of automatic powder spraying and fine water mist dust removal
Datonation-inhibition subsystem.
Further technical scheme is that automatic flame proof overcoat includes the datonation-inhibition subsystem of automatic water bag.
Further technical scheme is that intelligent management system includes wisdom line transmission positioning and data storage subsystem.
Further technical scheme be fiber optic temperature Monitor And Control Subsystem be passive gapless fiber optic temperature Monitor And Control Subsystem.
Further technical scheme is to provide a kind of coal mine roadway gas explosion multilayer proofing method, described method bag
Include following steps：
Ground floor active forewarning is protected
Gas density is detected by gas density Monitor And Control Subsystem, when gas density is detected more than the early warning upper limit, plus
Big ventilation；
Dust Concentration is detected by Dust Concentration detector, when Dust Concentration is detected more than the setting upper limit, is started thin
The datonation-inhibition subsystem of water mist dust fall carries out depositing dust；
By infrared thermal imaging Monitor And Control Subsystem and fiber optic temperature Monitor And Control Subsystem detection operations device temperature, when detecting
When temperature reaches the upper limit, working equipment power supply is automatically cut off；
The second layer datonation-inhibition protection automatically
Automatic flame detection is carried out to the initial stage that blast is produced by optical detector, when flame is detected, datonation-inhibition dress
Put and spray the continuation propagation that datonation-inhibition medium prevents the expansion of blast and cuts off blast in the starting stage of blast, suppress coal mine gas
Blast；
The automatic flame proof protection of third layer
When optical detector detects the initial stage signal of blast, the datonation-inhibition subsystem of automatic water bag is started according to setting time
System, and the explosion proof door closed in tunnel, the continuation for cutting off blast is propagated.
Further technical scheme is the datonation-inhibition son of automatic powder spraying in the automatic datonation-inhibition protection of the second layer when flame is detected
System and the datonation-inhibition subsystem of fine water mist dust removal spray datonation-inhibition material in the starting stage of blast, absorb energy that blast produces, every
Anoxybiotic gas, the continuation for preventing the expansion of blast and cutting off blast is propagated, and suppresses coal mine gas from explosion.
Compared with prior art, the invention has the beneficial effects as follows：The present invention be directed to what coal mine roadway gas explosion suppressed
Coal mine roadway gas explosion suppresses multilayer proofing system.System is by prime detonation factors detecting early-warning removal system, middle rank active
Explosionsunter-druckungssystem, rear class thoroughly cut off flare system and this four part of intelligent management system to complete jointly to coal mine roadway watt
The multilayer proofing of this blast, the multilayer for realizing coal mine roadway gas explosion suppresses, and the system can realize the initial stage of coal mine roadway
Early warning excludes detonation factors and elimination by explosion stifles in the cradle；Mid-term blast initial stage active probe sprays datonation-inhibition material in blast
Little energized state blast is controlled；Later stage starts explosion-proof water barrier, closes flame proof goalkeeper blast thoroughly cut-out.
Description of the drawings
Fig. 1 is the system architecture diagram of one embodiment of the invention.
Fig. 2 is the multilayer proofing pie graph of one embodiment of the invention.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Below in conjunction with the accompanying drawings and embodiment to the present invention specific embodiment be described in detail.
Embodiment 1
As shown in figure 1, the present embodiment discloses a kind of coal mine roadway gas explosion multilayer proofing system, its system is constituted can join
As shown in Figure 1, it includes active forewarning overcoat, for detecting mine lane gas from explosion factor parameter, when the blast
When factor parameter reaches the upper limit, mine lane gas from explosion factor is reduced；Further specific embodiment is, active forewarning
Overcoat includes：Gas density Monitor And Control Subsystem, for goaf, even angle, face gas concentration monitor；Infrared thermal imaging is supervised
Control subsystem, for equipment spark, corona and belt fever monitoring；Fiber optic temperature Monitor And Control Subsystem, for tunnel rib, mined out
The temperature monitoring in area；Goaf index gas wireless monitor subsystem, monitors for methane, carbonomonoxide concentration；Also include nitrogen
Gas/carbon-dioxide fire engine subsystem and the datonation-inhibition subsystem of fine water mist dust removal.The present embodiment has not occurred blast in coal mine roadway
Between, the prime detonation factors early warning detection removal system of active forewarning overcoat mainly to gas density, concentration of toxic gases,
The factors such as Dust Concentration, working equipment temperature are detected, when relevant parameter reach setting the upper limit when, respectively increase ventilation,
Device for reducing dust, cut-out equipment working power etc. are opened, detonation factors are reduced.
Automatically datonation-inhibition overcoat, for detecting to the blast initial stage, when explosion time is detected, prevents the expansion of blast simultaneously
The continuation of cut-out blast is propagated；Specifically, automatically datonation-inhibition overcoat includes that the datonation-inhibition subsystem of automatic powder spraying and fine water mist dust removal press down
Quick-fried subsystem.There is the initial stage of explosion time in the present embodiment, automatically the middle rank of datonation-inhibition overcoat is actively quick-fried in coal mine roadway
Fried suppression system mainly carries out active probe to the initial stage that blast is produced, and when explosion time is detected, explosion suppression device is made rapidly instead
Should, in the datonation-inhibition material of starting stage ejection of blast, the expansion for absorb the blast energy for producing, reducing oxygen concentration prevention blast
And cut off blast continuation propagate.
Automatic flame proof overcoat, for being linked with the datonation-inhibition overcoat automatically, when the datonation-inhibition overcoat automatically
Explosion time is detected, cut-out detonation propagation system is started according to setting time；Specifically, automatic flame proof overcoat includes automatic water
The datonation-inhibition subsystem of bag.Automatic flame proof overcoat is linked with intermediate active Explosionsunter-druckungssystem in the present embodiment, as middle rank master
When the detector of dynamic Explosionsunter-druckungssystem detects the initial stage signal of blast, the flame proof water in tunnel is started according to setting time
Canopy, and the flame proof door closed in tunnel immediately, the continuation for completely cutting through blast is propagated.
The present embodiment coal mine roadway gas explosion multilayer proofing system also includes intelligent management system, active forewarning protection
Layer, automatically datonation-inhibition overcoat, automatic flame proof overcoat are connected respectively with intelligent management system, for protecting the active forewarning
Layer, automatically datonation-inhibition overcoat, the working condition of automatic flame proof overcoat carry out real-time monitoring and record, and it are carried out in real time
Fault diagnosis.
The present embodiment coal mine roadway gas explosion multilayer proofing system by prime detonation factors detecting early-warning removal system, in
Level active Explosionsunter-druckungssystem, rear class thoroughly cut off flare system and this four part of central control system to complete jointly to colliery
The multilayer proofing of tunnel gas explosion, the multilayer for realizing coal mine roadway gas explosion suppresses.
Embodiment 2
As shown in Fig. 2 the present invention further discloses a kind of coal mine roadway gas explosion multilayer proofing method, the multilayer is prevented
Maintaining method is implemented on the basis of above-described embodiment coal mine roadway gas explosion multilayer proofing system.
Specifically, the present embodiment multilayer proofing method is comprised the following steps：
Ground floor active forewarning is protected
Gas density is detected by gas density Monitor And Control Subsystem, when gas density is detected more than the early warning upper limit, plus
Big ventilation；
Dust Concentration is detected by Dust Concentration detector, when Dust Concentration is detected more than the setting upper limit, is started thin
The datonation-inhibition subsystem of water mist dust fall carries out depositing dust；
By infrared thermal imaging Monitor And Control Subsystem and fiber optic temperature Monitor And Control Subsystem detection operations device temperature, when detecting
When temperature reaches the upper limit, working equipment power supply is automatically cut off.
Specifically, the protection of ground floor active forewarning is mainly detected by gas density detector, poison gas concentration in the present embodiment
Device, Dust Concentration detector and hygrosensor etc. are constituted, when each autoregressive parameter that these detectors are detected reaches the upper of setting
Limit value, prime will send alarm signal, and start corresponding device increasing exhaust amount, start atomizer and carry out depositing dust or cut-out
Equipment working power quits work.
The second layer datonation-inhibition protection automatically
Active flame detecting is carried out to the initial stage that blast is produced by optical detector, when flame is detected, spray automatically
The datonation-inhibition subsystem of powder and the datonation-inhibition subsystem of fine water mist dust removal spray datonation-inhibition material in the starting stage of blast, absorb what blast was produced
Energy, starvation, the continuation for preventing the expansion of blast and cutting off blast is propagated, and suppresses coal mine gas from explosion.
Specifically, the second layer initial stage that automatically datonation-inhibition protection is mainly produced by optical detector to blast in the present embodiment
Active flame detecting is carried out, when explosive flame is detected, explosion suppression device is reacted sprayed in the starting stage of blast rapidly
Datonation-inhibition material, the energy of absorption blast generation, starvation prevent the expansion of blast and cut off the continuation propagation of blast, suppress coal
Ore deposit gas explosion.
The automatic flame proof protection of third layer
When optical detector detects the initial stage signal of blast, the datonation-inhibition subsystem of automatic water bag is started according to setting time
System, and the explosion proof door closed in tunnel, the continuation for cutting off blast is propagated.
Automatically datonation-inhibition protection is linked the automatic flame proof protection of third layer with the second layer in the present embodiment, when intermediate actively quick-fried
When the detector of fried suppression system detects the initial stage signal of blast, this one-level can start the flame proof in tunnel according to setting time
Fluid barrier, and the flame proof door closed in tunnel immediately, the continuation for completely cutting through blast is propagated；Simultaneously central control system is intelligence pipe
Reason system is monitored and records to one, two, three working condition in real time, and carries out real-time fault diagnosis to it.
The multilayer proofing method of the present embodiment can realize that the initial stage early warning of coal mine roadway excludes detonation factors and blast disappears
Except stifling in the cradle；Mid-term blast initial stage active probe sprays the little energized state of datonation-inhibition material in blast by control of exploding
Firmly；Later stage starts explosion-proof water barrier, closes flame proof goalkeeper blast thoroughly cut-out.
" one embodiment ", " another embodiment ", " embodiment " for being spoken of in this manual, etc., refer to knot
Specific features, structure or the feature for closing the embodiment description is included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that in the description statement of the same race occur in multiple places.Furthermore, it is understood that with reference to appoint
When one embodiment describes specific features, structure or a feature, what is advocated is realizing this with reference to other embodiment
Plant feature, structure or feature also to fall within the scope of the present invention.
Although reference be made herein to invention has been described for the multiple explanatory embodiments invented, however, it is to be understood that this
Art personnel can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in the application
Within disclosed spirit and spirit.More specifically, in the range of disclosure claim, can be to theme group
Closing the building block and/or layout of layout carries out various modifications and improvement.Except the modification carried out to building block and/or layout
Outer with improving, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of coal mine roadway gas explosion multilayer proofing system, it is characterised in that：It includes：
Active forewarning overcoat, for detecting mine lane gas from explosion factor parameter, when the detonation factors parameter reaches
During the early warning upper limit, starting device reduces mine lane gas from explosion factor；
Automatically datonation-inhibition overcoat, for detecting to the blast initial stage, when explosion time is detected, prevents the expansion of blast and cuts off
The continuation of blast is propagated；
Automatic flame proof overcoat, for being linked with the datonation-inhibition overcoat automatically, when the datonation-inhibition protection Layer Detection automatically
To explosion time, flame proof system shutdown detonation propagation is started according to setting time；
Intelligent management system, the active forewarning overcoat, automatically datonation-inhibition overcoat, automatic flame proof overcoat respectively with the intelligence
Energy management system connection, for carrying out in real time to the active forewarning overcoat, automatic datonation-inhibition overcoat, automatic flame proof overcoat
Monitoring positioning, data storage and fault diagnosis；
Described active forewarning overcoat includes：Gas density Monitor And Control Subsystem, for goaf, upper even angle, face gas
Concentration monitor；
Infrared thermal imaging Monitor And Control Subsystem, for equipment spark, corona and belt fever monitoring；
Fiber optic temperature Monitor And Control Subsystem, for tunnel rib, the temperature monitoring in goaf；
Goaf index gas wireless monitor subsystem, for index gas concentration monitor；The index gas include hydrogen sulfide,
Carbon monoxide；
Also include nitrogen/carbon-dioxide fire engine subsystem and the datonation-inhibition subsystem of fine water mist dust removal；
Described fiber optic temperature Monitor And Control Subsystem is passive gapless fiber optic temperature Monitor And Control Subsystem.
2. coal mine roadway gas explosion multilayer proofing system according to claim 1, it is characterised in that described automatic suppression
Quick-fried overcoat includes the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal.
3. coal mine roadway gas explosion multilayer proofing system according to claim 1, it is characterised in that it is described it is automatic every
Quick-fried overcoat includes the datonation-inhibition subsystem of automatic water bag.
4. coal mine roadway gas explosion multilayer proofing system according to claim 1, it is characterised in that described intelligence pipe
Reason system includes wisdom line transmission positioning and data storage subsystem.
5. a kind of coal mine roadway gas explosion multilayer proofing method, it is characterised in that described method is comprised the following steps：
Ground floor active forewarning is protected
Gas density is detected by gas density Monitor And Control Subsystem, when gas density is detected more than the early warning upper limit, increases logical
Air quantity；
Dust Concentration is detected by Dust Concentration detector, when Dust Concentration is detected more than the setting upper limit, starts water mists
The datonation-inhibition subsystem of depositing dust carries out depositing dust；
By infrared thermal imaging Monitor And Control Subsystem and fiber optic temperature Monitor And Control Subsystem detection operations device temperature, when detecting temperature
When reaching the upper limit, working equipment power supply is automatically cut off；
The second layer datonation-inhibition protection automatically
Automatic flame detection is carried out to the initial stage that blast is produced by optical detector, when flame is detected, explosion suppression device exists
The starting stage of blast sprays datonation-inhibition medium and prevents the expansion of blast and cut off the continuation propagation of blast, suppresses coal mine gas quick-fried
It is fried；
The automatic flame proof protection of third layer
When optical detector detects the initial stage signal of blast, the datonation-inhibition subsystem of automatic water bag is started according to setting time, and
The explosion proof door closed in tunnel, the continuation for cutting off blast is propagated.
6. coal mine roadway gas explosion multilayer proofing method according to claim 5, it is characterised in that the described second layer
Automatically in datonation-inhibition protection when flame is detected, the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal are in blast
Starting stage sprays datonation-inhibition material, absorbs energy, starvation that blast is produced, prevent blast expansion and cut off blast after
Resume and broadcast, suppress coal mine gas from explosion.
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| CN201510175092.1A CN104806282B (en) | 2015-04-14 | 2015-04-14 | Multi-layer gas explosion protection system and method for coal mine tunnel |
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| CN201510175092.1A CN104806282B (en) | 2015-04-14 | 2015-04-14 | Multi-layer gas explosion protection system and method for coal mine tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178363A (en) * | 2015-05-08 | 2016-12-07 | 抚顺市沃尔普机电设备有限公司 | Gas tube automatic powder spraying explosion-suppressing device |
| CN107178386A (en) * | 2017-07-24 | 2017-09-19 | 贵州大学 | A kind of system for preventing goaf coal body spontaneous combustion |
| CN108896116A (en) * | 2018-09-26 | 2018-11-27 | 中煤科工集团重庆研究院有限公司 | Coal powder leakage and explosion online monitoring method for large coal gasification device |
| CN109184798B (en) * | 2018-09-29 | 2020-01-14 | 贵州师范学院 | Gas monitoring system under karst landform |
| CN110201566A (en) * | 2018-11-15 | 2019-09-06 | 金方圆安全技术研究院（苏州）有限公司 | Dry dust removal system dust explosion protection intelligent control explosion suppression device |
| CN113090956B (en) * | 2021-04-01 | 2022-04-12 | 大连理工大学 | Partitioned active explosion-proof and explosion-suppression device and control method thereof |
| CN118091053B (en) * | 2024-04-25 | 2024-07-02 | 徐州江煤科技有限公司 | Goaf monitoring system for coal mine |
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